======================================
| xx__-> [    9.202178][  T198] ------------[ cut here ]------------
| [    9.202419][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.202756][  T198] Modules linked in:
| [    9.203266][  T198] Tainted: [W]=WARN
[    9.203421][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.203639][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.203864][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.204387][  T198] RSP: 0018:ffa0000000977a80 EFLAGS: 00010286
[    9.204612][  T198] RAX: 00000000ffffffa6 RBX: ff1100000b726ac0 RCX: 1ff400000012ef16
[    9.204857][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b726b7c
[    9.205155][  T198] RBP: ff11000009d2c000 R08: 1fe22000016e4d71 R09: ff1100001055d180
[    9.205396][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.205658][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009d2c000
[    9.205915][  T198] FS:  00007f46a2878840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[    9.206192][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.206403][  T198] CR2: 0000000000479648 CR3: 000000000e647004 CR4: 0000000000771ef0
[    9.206660][  T198] PKRU: 55555554
[    9.206810][  T198] Call Trace:
[    9.206968][  T198]  <TASK>
[    9.207084][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.207263][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.207443][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.207597][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.207789][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.208013][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.208194][  T198]  register_netdev (net/core/dev.c:11552)
[    9.208372][  T198]  loopback_net_init (drivers/net/loopback.c:218)
[    9.208556][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.208713][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.208862][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.209051][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.209230][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.209412][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.209597][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.209791][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.209983][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.210160][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.210338][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.210520][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.210713][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.210907][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.211084][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.211261][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.211438][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.211622][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.211810][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.212032][  T198] RIP: 0033:0x7f46a2b3abcb
[    9.212217][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.212734][  T198] RSP: 002b:00007ffe000cdf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.212990][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46a2b3abcb
[    9.213232][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.213472][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.213726][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe000d01b0
[    9.213978][  T198] R13: 0000000000000001 R14: 00007f46a28786f8 R15: 00007ffe000d1847
| [    9.218796][  T198] ------------[ cut here ]------------
| [    9.218977][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.219250][  T198] Modules linked in:
| [    9.219717][  T198] Tainted: [W]=WARN
[    9.219861][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.220085][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.220300][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.220818][  T198] RSP: 0018:ffa0000000977918 EFLAGS: 00010286
[    9.221041][  T198] RAX: 00000000ffffffa6 RBX: ff1100000922a740 RCX: 1ff400000012eee9
[    9.221279][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a7fc
[    9.221524][  T198] RBP: ff11000007921000 R08: 1fe2200001245501 R09: ff1100001055d180
[    9.221772][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.222021][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007921000
[    9.222261][  T198] FS:  00007f46a2878840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[    9.222538][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.222756][  T198] CR2: 0000000000479648 CR3: 000000000e647004 CR4: 0000000000771ef0
[    9.223011][  T198] PKRU: 55555554
[    9.223156][  T198] Call Trace:
[    9.223298][  T198]  <TASK>
[    9.223411][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.223595][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.223782][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.223942][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.224119][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.224330][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.224509][  T198]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.224697][  T198]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.224884][  T198]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.225064][  T198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.225240][  T198]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.225418][  T198]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.225607][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.225762][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.225920][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.226096][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.226275][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.226453][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.226639][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.226828][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.227016][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.227191][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.227366][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.227551][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.227736][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.227934][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.228109][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.228282][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.228456][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.228642][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.228826][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.229047][  T198] RIP: 0033:0x7f46a2b3abcb
[    9.229229][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.229744][  T198] RSP: 002b:00007ffe000cdf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.229996][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46a2b3abcb
[    9.230237][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.230473][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.230723][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe000d01b0
[    9.230972][  T198] R13: 0000000000000001 R14: 00007f46a28786f8 R15: 00007ffe000d1847
| [    9.236074][  T198] ------------[ cut here ]------------
| [    9.236248][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.236540][  T198] Modules linked in:
| [    9.237078][  T198] Tainted: [W]=WARN
[    9.237277][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.237563][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.237861][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.238500][  T198] RSP: 0018:ffa00000009778f8 EFLAGS: 00010286
[    9.238781][  T198] RAX: 00000000ffffffa6 RBX: ff1100000baaba80 RCX: 1ff400000012eee5
[    9.239091][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baabb3c
[    9.239390][  T198] RBP: ff110000086b1000 R08: 1fe2200001755769 R09: ff1100001055d180
[    9.239700][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.240005][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000086b1000
[    9.240301][  T198] FS:  00007f46a2878840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[    9.240641][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.240928][  T198] CR2: 0000000000479648 CR3: 000000000e647004 CR4: 0000000000771ef0
[    9.241226][  T198] PKRU: 55555554
[    9.241421][  T198] Call Trace:
[    9.241624][  T198]  <TASK>
[    9.241801][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.242050][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.242282][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.242483][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.242727][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.243006][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.243238][  T198]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.243467][  T198]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.243717][  T198]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.243967][  T198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.244201][  T198]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.244432][  T198]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.244679][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.244927][  T198]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.245158][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.245361][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.245570][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.245811][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.246055][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.246287][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.246526][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.246768][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.247019][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.247252][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.247482][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.247725][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.247981][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.248216][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.248450][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.248697][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.248943][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.249184][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.249415][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.249690][  T198] RIP: 0033:0x7f46a2b3abcb
[    9.249945][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.250510][  T198] RSP: 002b:00007ffe000cdf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.250816][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46a2b3abcb
[    9.251125][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.251419][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.251729][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe000d01b0
[    9.252037][  T198] R13: 0000000000000001 R14: 00007f46a28786f8 R15: 00007ffe000d1847
| [    9.257200][  T198] ------------[ cut here ]------------
| [    9.257346][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.257574][  T198] Modules linked in:
| [    9.257987][  T198] Tainted: [W]=WARN
[    9.258087][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.258249][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.258417][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.258891][  T198] RSP: 0018:ffa0000000977a78 EFLAGS: 00010286
[    9.259054][  T198] RAX: 00000000ffffffa6 RBX: ff1100000caa1540 RCX: 1ff400000012ef15
[    9.259246][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa15fc
[    9.259439][  T198] RBP: ff11000009d11000 R08: 1fe22000019542c1 R09: ff1100001055d180
[    9.259634][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.259835][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009d11000
[    9.260037][  T198] FS:  00007f46a2878840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[    9.260269][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.260432][  T198] CR2: 00007fe2fda81ab0 CR3: 000000000e647004 CR4: 0000000000771ef0
[    9.260631][  T198] PKRU: 55555554
[    9.260733][  T198] Call Trace:
[    9.260829][  T198]  <TASK>
[    9.260902][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.261032][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.261161][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.261260][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.261392][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.261558][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.261696][  T198]  register_netdev (net/core/dev.c:11552)
[    9.261825][  T198]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.261961][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.262059][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.262157][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.262287][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.262416][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.262551][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.262687][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.262818][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.262953][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.263082][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.263212][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.263342][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.263470][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.263605][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.263741][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.263873][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.264003][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.264132][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.264261][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.264423][  T198] RIP: 0033:0x7f46a2b3abcb
[    9.264560][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.265029][  T198] RSP: 002b:00007ffe000cdf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.265222][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46a2b3abcb
[    9.265415][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.265611][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.265810][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe000d01b0
[    9.266007][  T198] R13: 0000000000000001 R14: 00007f46a28786f8 R15: 00007ffe000d1847
| [    9.270238][  T198] ------------[ cut here ]------------
| [    9.270374][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.270606][  T198] Modules linked in:
| [    9.270978][  T198] Tainted: [W]=WARN
[    9.271075][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.271238][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.271407][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.271881][  T198] RSP: 0018:ffa0000000977a68 EFLAGS: 00010286
[    9.272047][  T198] RAX: 00000000ffffffa6 RBX: ff1100000caa03c0 RCX: 1ff400000012ef13
[    9.272239][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa047c
[    9.272434][  T198] RBP: ff1100000fe19000 R08: 1fe2200001954091 R09: ff1100001055d180
[    9.272630][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.272828][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe19000
[    9.273028][  T198] FS:  00007f46a2878840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[    9.273260][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.273422][  T198] CR2: 00007fe2fda81ab0 CR3: 000000000e647004 CR4: 0000000000771ef0
[    9.273617][  T198] PKRU: 55555554
[    9.273721][  T198] Call Trace:
[    9.273818][  T198]  <TASK>
[    9.273891][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.274023][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.274152][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.274251][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.274383][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.274552][  T198]  register_netdev (net/core/dev.c:11552)
[    9.274687][  T198]  sit_init_net (net/ipv6/sit.c:1860)
[    9.274817][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.274920][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.275019][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.275147][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.275276][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.275407][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.275541][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.275681][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.275812][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.275944][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.276073][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.276202][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.276334][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.276466][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.276599][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.276734][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.276864][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.276999][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.277164][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.277323][  T198] RIP: 0033:0x7f46a2b3abcb
[    9.277455][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.277928][  T198] RSP: 002b:00007ffe000cdf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.278124][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46a2b3abcb
[    9.278315][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.278508][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.278710][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe000d01b0
[    9.278910][  T198] R13: 0000000000000001 R14: 00007f46a28786f8 R15: 00007ffe000d1847
| [    9.288846][  T198] ------------[ cut here ]------------
| [    9.288986][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.289208][  T198] Modules linked in:
| [    9.289573][  T198] Tainted: [W]=WARN
[    9.289680][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.289840][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.290014][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.290471][  T198] RSP: 0018:ffa0000000977a78 EFLAGS: 00010286
[    9.290638][  T198] RAX: 00000000ffffffa6 RBX: ff1100000909d380 RCX: 1ff400000012ef15
[    9.290836][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d43c
[    9.291037][  T198] RBP: ff1100000fe51000 R08: 1fe2200001213a89 R09: ff1100001055d180
[    9.291229][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.291421][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe51000
[    9.291616][  T198] FS:  00007f46a2878840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[    9.291848][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.292016][  T198] CR2: 00007fe2fda81ab0 CR3: 000000000e647004 CR4: 0000000000771ef0
[    9.292211][  T198] PKRU: 55555554
[    9.292308][  T198] Call Trace:
[    9.292405][  T198]  <TASK>
[    9.292472][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.292606][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.292741][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.292840][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.292977][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.293137][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293269][  T198]  register_netdev (net/core/dev.c:11552)
[    9.293399][  T198]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.293532][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.293631][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.293733][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.293862][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.293997][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.294127][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.294257][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.294388][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.294520][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.294654][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.294786][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.294921][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.295052][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.295183][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.295312][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.295440][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.295572][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.295712][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.295841][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.296005][  T198] RIP: 0033:0x7f46a2b3abcb
[    9.296140][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.296607][  T198] RSP: 002b:00007ffe000cdf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.296808][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f46a2b3abcb
[    9.297005][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.297197][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.297390][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe000d01b0
[    9.297585][  T198] R13: 0000000000000001 R14: 00007f46a28786f8 R15: 00007ffe000d1847
| [    9.327248][  T199] ------------[ cut here ]------------
| [    9.327393][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.327621][  T199] Modules linked in:
| [    9.328153][  T199] Tainted: [W]=WARN
[    9.328252][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.328413][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.328583][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.329102][  T199] RSP: 0018:ffa0000000977020 EFLAGS: 00010286
[    9.329265][  T199] RAX: 00000000ffffffa6 RBX: ff1100000909d540 RCX: 1ff400000012edca
[    9.329456][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d5fc
[    9.329655][  T199] RBP: ff11000009d2c000 R08: 1fe2200001213ac1 R09: ff110000104d8b58
[    9.329848][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.330114][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.330308][  T199] FS:  00007f1c61a34840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.330534][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.330703][  T199] CR2: 0000000035b0e988 CR3: 0000000004d33006 CR4: 0000000000771ef0
[    9.330921][  T199] PKRU: 55555554
[    9.331017][  T199] Call Trace:
[    9.331112][  T199]  <TASK>
[    9.331178][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.331309][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.331407][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.331537][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.331676][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.331805][  T199]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.331940][  T199]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.332069][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.332197][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.332327][  T199]  netif_change_flags (net/core/dev.c:9820)
[    9.332457][  T199]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.332587][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.332723][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.332852][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.333018][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.333145][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.333273][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.333402][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.333535][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[    9.333670][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.333800][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.333934][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.334063][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.334191][  T199]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.334319][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.334446][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.334577][  T199]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.334712][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.334840][  T199]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.334974][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.335103][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.335232][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.335364][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.335493][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.335624][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.335756][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.335889][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.336016][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.336147][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.336276][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.336403][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.336536][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.336673][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.336803][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.336936][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.337064][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.337192][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.337323][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.337450][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.337582][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.337716][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.337846][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.337981][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.338110][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.338240][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.338372][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.338502][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.338637][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.338773][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.338908][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.339039][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.339169][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.339299][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.339458][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.339592][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.339728][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.339858][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.339991][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.340151][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.340293][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.340421][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.340550][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.340721][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.340850][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.340986][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.341113][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.341242][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.341372][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.341535][  T199] RIP: 0033:0x7f1c61c6e08e
[    9.341676][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.342138][  T199] RSP: 002b:00007ffe2c6217c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.342333][  T199] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1c61c6e08e
[    9.342529][  T199] RDX: 0000000000000000 RSI: 00007ffe2c621870 RDI: 0000000000000005
[    9.342725][  T199] RBP: 00007ffe2c6217d0 R08: 0000000000000000 R09: 0000000000000000
[    9.342921][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf5
[    9.343113][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2c621f40
| [    9.466190][  T203] ------------[ cut here ]------------
| [    9.466350][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.466582][  T203] Modules linked in:
| [    9.467013][  T203] Tainted: [W]=WARN
[    9.467111][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.467277][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.467448][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.467989][  T203] RSP: 0018:ffa00000009b7a80 EFLAGS: 00010286
[    9.468153][  T203] RAX: 00000000ffffffa6 RBX: ff11000005612e40 RCX: 1ff4000000136f16
[    9.468346][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005612efc
[    9.468543][  T203] RBP: ff11000001dd4000 R08: 1fe2200000ac25e1 R09: ff1100000e62ae80
[    9.468742][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.469000][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd4000
[    9.469268][  T203] FS:  00007f637098d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.469496][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.469668][  T203] CR2: 00007f6370b8ec20 CR3: 0000000009b9f002 CR4: 0000000000771ef0
[    9.469864][  T203] PKRU: 55555554
[    9.470014][  T203] Call Trace:
[    9.470110][  T203]  <TASK>
[    9.470178][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.470307][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.470436][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.470538][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.470675][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.470837][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.471021][  T203]  register_netdev (net/core/dev.c:11552)
[    9.471149][  T203]  loopback_net_init (drivers/net/loopback.c:218)
[    9.471278][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.471377][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.471475][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.471607][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.471741][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.471887][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.472017][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.472148][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.472278][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.472406][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.472541][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.472678][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.472809][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.472945][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.473073][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.473202][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.473329][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.473459][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.473591][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.473757][  T203] RIP: 0033:0x7f6370c4fbcb
[    9.473898][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.474360][  T203] RSP: 002b:00007fff794ef508 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.474556][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6370c4fbcb
[    9.474754][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.474950][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.475142][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff794f1730
[    9.475334][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff794f3847
| [    9.479562][  T203] ------------[ cut here ]------------
| [    9.479705][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.479937][  T203] Modules linked in:
| [    9.480293][  T203] Tainted: [W]=WARN
[    9.480390][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.480554][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.480727][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.481190][  T203] RSP: 0018:ffa00000009b7918 EFLAGS: 00010286
[    9.481358][  T203] RAX: 00000000ffffffa6 RBX: ff1100000ec26580 RCX: 1ff4000000136ee9
[    9.481552][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ec2663c
[    9.481751][  T203] RBP: ff110000050f9000 R08: 1fe2200001d84cc9 R09: ff1100000e62ae80
[    9.481946][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.482138][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050f9000
[    9.482334][  T203] FS:  00007f637098d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.482566][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.482734][  T203] CR2: 00007f6370b8ec20 CR3: 0000000009b9f002 CR4: 0000000000771ef0
[    9.482934][  T203] PKRU: 55555554
[    9.483030][  T203] Call Trace:
[    9.483127][  T203]  <TASK>
[    9.483194][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.483322][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.483449][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.483551][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.483687][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.483848][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.483984][  T203]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.484113][  T203]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.484241][  T203]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.484370][  T203]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.484500][  T203]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.484634][  T203]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.484770][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.484874][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.484973][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.485100][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.485229][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.485361][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.485489][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.485623][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.485756][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.485891][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.486019][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.486147][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.486277][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.486406][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.486537][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.486668][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.486797][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.486932][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.487060][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.487220][  T203] RIP: 0033:0x7f6370c4fbcb
[    9.487351][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.487820][  T203] RSP: 002b:00007fff794ef508 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.488072][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6370c4fbcb
[    9.488263][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.488455][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.488654][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff794f1730
[    9.488845][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff794f3847
| [    9.493368][  T203] ------------[ cut here ]------------
| [    9.493510][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.493745][  T203] Modules linked in:
| [    9.494175][  T203] Tainted: [W]=WARN
[    9.494273][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.494437][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.494611][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.495084][  T203] RSP: 0018:ffa00000009b78f8 EFLAGS: 00010286
[    9.495251][  T203] RAX: 00000000ffffffa6 RBX: ff1100000ec27380 RCX: 1ff4000000136ee5
[    9.495445][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ec2743c
[    9.495643][  T203] RBP: ff11000009774000 R08: 1fe2200001d84e89 R09: ff1100000e62ae80
[    9.495844][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.496041][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009774000
[    9.496238][  T203] FS:  00007f637098d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.496466][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.496633][  T203] CR2: 00007f6370b8ec20 CR3: 0000000009b9f002 CR4: 0000000000771ef0
[    9.496833][  T203] PKRU: 55555554
[    9.496938][  T203] Call Trace:
[    9.497036][  T203]  <TASK>
[    9.497104][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.497235][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.497366][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.497467][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.497603][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.497772][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.497911][  T203]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.498042][  T203]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.498174][  T203]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.498307][  T203]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.498440][  T203]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.498576][  T203]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.498714][  T203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.498847][  T203]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.498987][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.499088][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.499189][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.499320][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.499450][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.499586][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.499724][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.499859][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.499997][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.500128][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.500259][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.500391][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.500522][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.500659][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.500794][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.500929][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.501061][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.501192][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.501323][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.501487][  T203] RIP: 0033:0x7f6370c4fbcb
[    9.501626][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.502103][  T203] RSP: 002b:00007fff794ef508 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.502303][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6370c4fbcb
[    9.502497][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.502700][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.502898][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff794f1730
[    9.503091][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff794f3847
| [    9.512740][  T203] ------------[ cut here ]------------
| [    9.512881][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.513105][  T203] Modules linked in:
| [    9.513466][  T203] Tainted: [W]=WARN
[    9.513570][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.513736][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.513910][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.514365][  T203] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.514534][  T203] RAX: 00000000ffffffa6 RBX: ff1100000baabc40 RCX: 1ff4000000136f15
[    9.514733][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baabcfc
[    9.514930][  T203] RBP: ff110000101c4000 R08: 1fe22000017557a1 R09: ff1100000e62ae80
[    9.515122][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.515316][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101c4000
[    9.515512][  T203] FS:  00007f637098d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.515743][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.516404][  T203] CR2: 00007f6370b8ec20 CR3: 0000000009b9f002 CR4: 0000000000771ef0
[    9.516603][  T203] PKRU: 55555554
[    9.516705][  T203] Call Trace:
[    9.516800][  T203]  <TASK>
[    9.516919][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.517047][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.517175][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.517273][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.517404][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.517568][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.517703][  T203]  register_netdev (net/core/dev.c:11552)
[    9.517829][  T203]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.518018][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.518117][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.518214][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.518341][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.518469][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.518605][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.518741][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.518924][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.519054][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.519184][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.519312][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.519443][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.519575][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.519714][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.519842][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.520022][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.520150][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.520278][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.520406][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.520571][  T203] RIP: 0033:0x7f6370c4fbcb
[    9.520711][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.521224][  T203] RSP: 002b:00007fff794ef508 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.521418][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6370c4fbcb
[    9.521614][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.521811][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.522055][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff794f1730
[    9.522247][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff794f3847
| [    9.526782][  T203] ------------[ cut here ]------------
| [    9.526938][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.527165][  T203] Modules linked in:
| [    9.527526][  T203] Tainted: [W]=WARN
[    9.527625][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.527791][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.527965][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.528426][  T203] RSP: 0018:ffa00000009b7a68 EFLAGS: 00010286
[    9.528593][  T203] RAX: 00000000ffffffa6 RBX: ff110000092f4c80 RCX: 1ff4000000136f13
[    9.528790][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f4d3c
[    9.528988][  T203] RBP: ff11000010251000 R08: 1fe220000125e9a9 R09: ff1100000e62ae80
[    9.529181][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.529373][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010251000
[    9.529572][  T203] FS:  00007f637098d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.529807][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.529974][  T203] CR2: 00007f6370b8ec20 CR3: 0000000009b9f002 CR4: 0000000000771ef0
[    9.530169][  T203] PKRU: 55555554
[    9.530265][  T203] Call Trace:
[    9.530361][  T203]  <TASK>
[    9.530428][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.530562][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.530697][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.530797][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.530933][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.531099][  T203]  register_netdev (net/core/dev.c:11552)
[    9.531228][  T203]  sit_init_net (net/ipv6/sit.c:1860)
[    9.531359][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.531458][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.531562][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.531694][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.531825][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.531962][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.532093][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.532226][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.532357][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.532487][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.532618][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.532753][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.532887][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.533020][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.533149][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.533279][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.533409][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.533542][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.533676][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.533835][  T203] RIP: 0033:0x7f6370c4fbcb
[    9.533975][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.534435][  T203] RSP: 002b:00007fff794ef508 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.534632][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6370c4fbcb
[    9.534831][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.535028][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.535220][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff794f1730
[    9.535411][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff794f3847
| [    9.541039][  T203] ------------[ cut here ]------------
| [    9.541176][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.541402][  T203] Modules linked in:
| [    9.541774][  T203] Tainted: [W]=WARN
[    9.542376][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.542543][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.542720][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.543236][  T203] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.543401][  T203] RAX: 00000000ffffffa6 RBX: ff1100000f276740 RCX: 1ff4000000136f15
[    9.543600][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f2767fc
[    9.543800][  T203] RBP: ff110000100bc000 R08: 1fe2200001e4ed01 R09: ff1100000e62ae80
[    9.544048][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.544242][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100bc000
[    9.544437][  T203] FS:  00007f637098d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.544727][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.544946][  T203] CR2: 00007f6370b8ec20 CR3: 0000000009b9f002 CR4: 0000000000771ef0
[    9.545140][  T203] PKRU: 55555554
[    9.545238][  T203] Call Trace:
[    9.545335][  T203]  <TASK>
[    9.545401][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.545532][  T203]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.545666][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.545766][  T203]  register_netdevice (net/core/dev.c:11488)
[    9.545951][  T203]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.546111][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.546245][  T203]  register_netdev (net/core/dev.c:11552)
[    9.546373][  T203]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.546503][  T203]  ops_init (net/core/net_namespace.c:137)
[    9.546606][  T203]  setup_net (net/core/net_namespace.c:446)
[    9.546709][  T203]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.546840][  T203]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.547023][  T203]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.547156][  T203]  copy_net_ns (net/core/net_namespace.c:579)
[    9.547286][  T203]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.547417][  T203]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.547550][  T203]  ksys_unshare (kernel/fork.c:3243)
[    9.547685][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.547815][  T203]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.547996][  T203]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.548129][  T203]  ? __ia32_sys_open (fs/open.c:1374)
[    9.548261][  T203]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.548389][  T203]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.548520][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.548652][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.548782][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.548963][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.549124][  T203] RIP: 0033:0x7f6370c4fbcb
[    9.549262][  T203] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.549729][  T203] RSP: 002b:00007fff794ef508 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.549981][  T203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6370c4fbcb
[    9.550176][  T203] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.550368][  T203] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.550562][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff794f1730
[    9.550758][  T203] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff794f3847
| [    9.573721][  T204] ------------[ cut here ]------------
| [    9.574302][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.574580][  T204] Modules linked in:
| [    9.575050][  T204] Tainted: [W]=WARN
[    9.575192][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.575398][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.575622][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.576145][  T204] RSP: 0018:ffa00000009c7020 EFLAGS: 00010286
[    9.576354][  T204] RAX: 00000000ffffffa6 RBX: ff1100000b726040 RCX: 1ff4000000138dca
[    9.576600][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7260fc
[    9.576845][  T204] RBP: ff11000001dd4000 R08: 1fe22000016e4c21 R09: ff1100000e62d158
[    9.577099][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.577335][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.577583][  T204] FS:  00007fb107df1840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[    9.577862][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.578084][  T204] CR2: 00007fb1080c11a0 CR3: 0000000010014005 CR4: 0000000000771ef0
[    9.578327][  T204] PKRU: 55555554
[    9.578469][  T204] Call Trace:
[    9.578620][  T204]  <TASK>
[    9.578738][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.578928][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.579074][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.579250][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.579433][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.579620][  T204]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.579804][  T204]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.579992][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.580171][  T204]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.580352][  T204]  netif_change_flags (net/core/dev.c:9820)
[    9.580535][  T204]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.580724][  T204]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.580918][  T204]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.581099][  T204]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.581309][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.581486][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.581678][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.581859][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.582052][  T204]  ? __kernel_text_address (kernel/extable.c:79)
[    9.582228][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.582408][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.582592][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.582780][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.582973][  T204]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.583148][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.583328][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.583505][  T204]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.583696][  T204]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.583886][  T204]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.584063][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.584244][  T204]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.584431][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.584621][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.584810][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.584997][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.585174][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.585352][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.585530][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.585718][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.585908][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.586089][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.586265][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.586442][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.586628][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.586814][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.587002][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.587178][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.587356][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.587535][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.587728][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.587918][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.588096][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.588276][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.588450][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.588635][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.588823][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.589017][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.589195][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.589372][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.589555][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.589744][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.589934][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.590113][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.590322][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.590501][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.590693][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.590885][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.591061][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.591273][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.591461][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.591657][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.591834][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.592056][  T204]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.592233][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.592413][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.592595][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.592779][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.592973][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.593182][  T204] RIP: 0033:0x7fb10802b08e
[    9.593364][  T204] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.593894][  T204] RSP: 002b:00007ffee3bfea60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.594139][  T204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb10802b08e
[    9.594378][  T204] RDX: 0000000000000000 RSI: 00007ffee3bfeb10 RDI: 0000000000000005
[    9.594626][  T204] RBP: 00007ffee3bfea70 R08: 0000000000000000 R09: 0000000000000000
[    9.594885][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf5
[    9.595126][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee3bff1e0
| [    9.709820][  T208] ------------[ cut here ]------------
| [    9.709992][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.710228][  T208] Modules linked in:
| [    9.710600][  T208] Tainted: [W]=WARN
[    9.710703][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.710864][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.711039][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.711499][  T208] RSP: 0018:ffa0000000a07a80 EFLAGS: 00010286
[    9.711669][  T208] RAX: 00000000ffffffa6 RBX: ff1100000240f000 RCX: 1ff4000000140f16
[    9.711863][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000240f0bc
[    9.712060][  T208] RBP: ff1100000ffe4000 R08: 1fe2200000481e19 R09: ff11000010315180
[    9.712251][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.712444][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe4000
[    9.712641][  T208] FS:  00007f3f74fe4840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.712876][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.713037][  T208] CR2: 00007f3f751f0690 CR3: 000000000c727004 CR4: 0000000000771ef0
[    9.713232][  T208] PKRU: 55555554
[    9.713328][  T208] Call Trace:
[    9.713424][  T208]  <TASK>
[    9.713490][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.713624][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.713757][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.713855][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.713991][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.714152][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.714282][  T208]  register_netdev (net/core/dev.c:11552)
[    9.714410][  T208]  loopback_net_init (drivers/net/loopback.c:218)
[    9.714542][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.714640][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.714744][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.714934][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.715117][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.715248][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.715378][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.715513][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.715642][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.715776][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.715991][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.716121][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.716251][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.716381][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.716512][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.716640][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.716775][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.716972][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.717100][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.717259][  T208] RIP: 0033:0x7f3f752a6bcb
[    9.717392][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.717859][  T208] RSP: 002b:00007fff9aef17d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.718118][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3f752a6bcb
[    9.718309][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.718501][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.718702][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9aef3a00
[    9.718959][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9aef4847
| [    9.727923][  T208] ------------[ cut here ]------------
| [    9.728058][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.728279][  T208] Modules linked in:
| [    9.728646][  T208] Tainted: [W]=WARN
[    9.728748][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.728913][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.729078][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.729534][  T208] RSP: 0018:ffa0000000a07918 EFLAGS: 00010286
[    9.729697][  T208] RAX: 00000000ffffffa6 RBX: ff1100000a16a3c0 RCX: 1ff4000000140ee9
[    9.729893][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a47c
[    9.730085][  T208] RBP: ff11000005744000 R08: 1fe220000142d491 R09: ff11000010315180
[    9.730273][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.730462][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005744000
[    9.730758][  T208] FS:  00007f3f74fe4840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.730986][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.731233][  T208] CR2: 00007f3f751f0690 CR3: 000000000c727004 CR4: 0000000000771ef0
[    9.731425][  T208] PKRU: 55555554
[    9.731522][  T208] Call Trace:
[    9.731617][  T208]  <TASK>
[    9.731690][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.731909][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.732039][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.732137][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.732266][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.732514][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.732644][  T208]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.732778][  T208]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.732911][  T208]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.733126][  T208]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.733254][  T208]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.733384][  T208]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.733518][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.733706][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.733803][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.733935][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.734063][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.734279][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.734408][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.734542][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.734678][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.734895][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.735024][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.735152][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.735282][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.735497][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.735628][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.735758][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.735891][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.736104][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.736232][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.736391][  T208] RIP: 0033:0x7f3f752a6bcb
[    9.736529][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.737083][  T208] RSP: 002b:00007fff9aef17d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.737362][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3f752a6bcb
[    9.737556][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.737751][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.738035][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9aef3a00
[    9.738226][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9aef4847
| [    9.742738][  T208] ------------[ cut here ]------------
| [    9.742879][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.743192][  T208] Modules linked in:
| [    9.743554][  T208] Tainted: [W]=WARN
[    9.743657][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.743915][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.744083][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.744640][  T208] RSP: 0018:ffa0000000a078f8 EFLAGS: 00010286
[    9.744813][  T208] RAX: 00000000ffffffa6 RBX: ff1100000d636580 RCX: 1ff4000000140ee5
[    9.745100][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63663c
[    9.745293][  T208] RBP: ff11000008341000 R08: 1fe2200001ac6cc9 R09: ff11000010315180
[    9.745486][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.745777][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008341000
[    9.745977][  T208] FS:  00007f3f74fe4840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.746292][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.746454][  T208] CR2: 00007f3f751f0690 CR3: 000000000c727004 CR4: 0000000000771ef0
[    9.746656][  T208] PKRU: 55555554
[    9.746754][  T208] Call Trace:
[    9.746943][  T208]  <TASK>
[    9.747010][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.747141][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.747272][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.747372][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.747595][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.747765][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.747902][  T208]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.748117][  T208]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.748247][  T208]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.748379][  T208]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.748513][  T208]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.748738][  T208]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.748874][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.749007][  T208]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.749138][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.749239][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.749426][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.749562][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.749697][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.749832][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.749970][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.750104][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.750236][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.750367][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.750591][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.750727][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.750860][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.750999][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.751217][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.751347][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.751478][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.751613][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.751838][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.752004][  T208] RIP: 0033:0x7f3f752a6bcb
[    9.752139][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.752703][  T208] RSP: 002b:00007fff9aef17d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.752906][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3f752a6bcb
[    9.753103][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.753298][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.753586][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9aef3a00
[    9.753787][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9aef4847
| [    9.758228][  T208] ------------[ cut here ]------------
| [    9.758449][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/208
| [    9.758679][  T208] Modules linked in:
| [    9.759644][  T208] Tainted: [W]=WARN
[    9.759748][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.759966][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.760195][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.760666][  T208] RSP: 0018:ffa0000000a07a78 EFLAGS: 00010286
[    9.760833][  T208] RAX: 00000000ffffffa6 RBX: ff1100000a16a580 RCX: 1ff4000000140f15
[    9.761083][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a63c
[    9.761275][  T208] RBP: ff11000007fa9000 R08: 1fe220000142d4c9 R09: ff11000010315180
[    9.761468][  T208] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.761669][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007fa9000
[    9.761865][  T208] FS:  00007f3f74fe4840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[    9.762145][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.762306][  T208] CR2: 00007f3f751f0690 CR3: 000000000c727004 CR4: 0000000000771ef0
[    9.762501][  T208] PKRU: 55555554
[    9.762602][  T208] Call Trace:
[    9.762704][  T208]  <TASK>
[    9.762771][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.762955][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.763084][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.763182][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.763314][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.763474][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.763612][  T208]  register_netdev (net/core/dev.c:11552)
[    9.763746][  T208]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.763930][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.764029][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.764127][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.764255][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.764385][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.764520][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.764655][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.764789][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.764974][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.765104][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.765232][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.765360][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.765490][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.765624][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.765757][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.765940][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.766070][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.766197][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.766325][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.766574][  T208] RIP: 0033:0x7f3f752a6bcb
[    9.766714][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.767319][  T208] RSP: 002b:00007fff9aef17d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.767517][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3f752a6bcb
[    9.767714][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.767960][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.768153][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9aef3a00
[    9.768344][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9aef4847
| [    9.772797][  T208] ------------[ cut here ]------------
| [    9.772949][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/208
| [    9.773176][  T208] Modules linked in:
| [    9.773543][  T208] Tainted: [W]=WARN
[    9.773641][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.773810][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.773988][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.774449][  T208] RSP: 0018:ffa0000000a07a68 EFLAGS: 00010286
[    9.774617][  T208] RAX: 00000000ffffffa6 RBX: ff110000092f4040 RCX: 1ff4000000140f13
[    9.774815][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f40fc
[    9.775016][  T208] RBP: ff11000009761000 R08: 1fe220000125e821 R09: ff11000010315180
[    9.775208][  T208] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.775401][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009761000
[    9.775601][  T208] FS:  00007f3f74fe4840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[    9.775839][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.776007][  T208] CR2: 00007f6370a5a574 CR3: 000000000c727004 CR4: 0000000000771ef0
[    9.776206][  T208] PKRU: 55555554
[    9.776305][  T208] Call Trace:
[    9.776402][  T208]  <TASK>
[    9.776469][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.776602][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.776740][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.776838][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.776974][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.777137][  T208]  register_netdev (net/core/dev.c:11552)
[    9.777267][  T208]  sit_init_net (net/ipv6/sit.c:1860)
[    9.777398][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.777496][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.777597][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.777731][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.777861][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.777998][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.778129][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.778261][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.778390][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.778519][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.778649][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.778783][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.778917][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.779048][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.779176][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.779305][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.779432][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.779565][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.779698][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.779859][  T208] RIP: 0033:0x7f3f752a6bcb
[    9.780000][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.780458][  T208] RSP: 002b:00007fff9aef17d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.780663][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3f752a6bcb
[    9.780855][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.781053][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.781244][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9aef3a00
[    9.781439][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9aef4847
| [    9.785977][  T208] ------------[ cut here ]------------
| [    9.786114][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/208
| [    9.786340][  T208] Modules linked in:
| [    9.786711][  T208] Tainted: [W]=WARN
[    9.786810][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.786977][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.787147][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.787610][  T208] RSP: 0018:ffa0000000a07a78 EFLAGS: 00010286
[    9.787781][  T208] RAX: 00000000ffffffa6 RBX: ff1100000f1b4e40 RCX: 1ff4000000140f15
[    9.787979][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b4efc
[    9.788173][  T208] RBP: ff1100000ffc4000 R08: 1fe2200001e369e1 R09: ff11000010315180
[    9.788366][  T208] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.788563][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffc4000
[    9.788764][  T208] FS:  00007f3f74fe4840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[    9.788995][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.789156][  T208] CR2: 00007f6370a5a574 CR3: 000000000c727004 CR4: 0000000000771ef0
[    9.789350][  T208] PKRU: 55555554
[    9.789447][  T208] Call Trace:
[    9.789548][  T208]  <TASK>
[    9.789615][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.789751][  T208]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.789884][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.789983][  T208]  register_netdevice (net/core/dev.c:11488)
[    9.790114][  T208]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.790274][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.790421][  T208]  register_netdev (net/core/dev.c:11552)
[    9.790552][  T208]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.790689][  T208]  ops_init (net/core/net_namespace.c:137)
[    9.790788][  T208]  setup_net (net/core/net_namespace.c:446)
[    9.790891][  T208]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.791019][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.791148][  T208]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.791279][  T208]  copy_net_ns (net/core/net_namespace.c:579)
[    9.791422][  T208]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.791557][  T208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.791691][  T208]  ksys_unshare (kernel/fork.c:3243)
[    9.791820][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.791954][  T208]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.792084][  T208]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.792214][  T208]  ? __ia32_sys_open (fs/open.c:1374)
[    9.792346][  T208]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.792474][  T208]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.792605][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.792739][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.792872][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.793002][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.793163][  T208] RIP: 0033:0x7f3f752a6bcb
[    9.793297][  T208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.793766][  T208] RSP: 002b:00007fff9aef17d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.793966][  T208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3f752a6bcb
[    9.794160][  T208] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.794353][  T208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.794548][  T208] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9aef3a00
[    9.794744][  T208] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9aef4847
| [    9.824784][  T209] ------------[ cut here ]------------
| [    9.824942][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [    9.825168][  T209] Modules linked in:
| [    9.825531][  T209] Tainted: [W]=WARN
[    9.825629][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.825797][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.825970][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.826427][  T209] RSP: 0018:ffa0000000a17020 EFLAGS: 00010286
[    9.826599][  T209] RAX: 00000000ffffffa6 RBX: ff11000001e4a580 RCX: 1ff4000000142dca
[    9.826799][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a63c
[    9.826994][  T209] RBP: ff1100000ffe4000 R08: 1fe22000003c94c9 R09: ff110000107eae58
[    9.827184][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.827374][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.827572][  T209] FS:  00007f8b59431840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[    9.827801][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.827967][  T209] CR2: 00007f8b597011a0 CR3: 0000000009c47002 CR4: 0000000000771ef0
[    9.828161][  T209] PKRU: 55555554
[    9.828256][  T209] Call Trace:
[    9.828352][  T209]  <TASK>
[    9.828420][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.828552][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.828656][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.828786][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[    9.828924][  T209]  ? netif_change_name (net/core/dev.c:1495)
[    9.829053][  T209]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.829182][  T209]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.829311][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.829440][  T209]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.829576][  T209]  netif_change_flags (net/core/dev.c:9820)
[    9.829710][  T209]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.829839][  T209]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.829976][  T209]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.830106][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.830267][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.830395][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.830526][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.830658][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.830790][  T209]  ? __kernel_text_address (kernel/extable.c:79)
[    9.830925][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.831055][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.831183][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.831314][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.831443][  T209]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.831573][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.831709][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.831838][  T209]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.832039][  T209]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.832170][  T209]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.832299][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.832430][  T209]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.832566][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.832702][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.832832][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.833047][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.833174][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.833302][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.833429][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.833563][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.833696][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.833824][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.834028][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.834244][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.834374][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.834502][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.834635][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.834767][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.834973][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.835103][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.835232][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.835362][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.835492][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.835628][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.835761][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.835947][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.836078][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.836207][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.836336][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.836467][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.836602][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.836738][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.836922][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.837051][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.837211][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[    9.837342][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.837473][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.837609][  T209]  ___sys_sendmsg (net/socket.c:2752)
[    9.837742][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.837958][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.838098][  T209]  __sys_sendmsg (net/socket.c:2784)
[    9.838229][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.838358][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.838521][  T209]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.838657][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.838789][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.838948][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.839077][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.839207][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.839366][  T209] RIP: 0033:0x7f8b5966b08e
[    9.839502][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.839978][  T209] RSP: 002b:00007ffeace0c210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.840174][  T209] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8b5966b08e
[    9.840367][  T209] RDX: 0000000000000000 RSI: 00007ffeace0c2c0 RDI: 0000000000000005
[    9.840564][  T209] RBP: 00007ffeace0c220 R08: 0000000000000000 R09: 0000000000000000
[    9.840764][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[    9.840962][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeace0c990
| [   10.202588][  T224] ------------[ cut here ]------------
| [   10.202887][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/224
| [   10.203175][  T224] Modules linked in:
| [   10.203690][  T224] Tainted: [W]=WARN
[   10.203840][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.204597][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.204826][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.205360][  T224] RSP: 0018:ffa0000000af6e30 EFLAGS: 00010286
[   10.205586][  T224] RAX: 00000000ffffffa6 RBX: ff1100000dc278c0 RCX: 1ff400000015ed8c
[   10.205842][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2797c
[   10.206150][  T224] RBP: ff11000005a24000 R08: 1fe2200001b84f31 R09: ff11000010275180
[   10.206400][  T224] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.206659][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc6b500
[   10.206923][  T224] FS:  00007f9f398fd840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.207206][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.207420][  T224] CR2: 000000000042ebe0 CR3: 0000000009bc4002 CR4: 0000000000771ef0
[   10.207684][  T224] PKRU: 55555554
[   10.207832][  T224] Call Trace:
[   10.207990][  T224]  <TASK>
[   10.208107][  T224]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.208320][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.208507][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.208668][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.208856][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.209048][  T224]  __dev_notify_flags (net/core/dev.c:9787)
[   10.209232][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.209413][  T224]  ? netif_change_name (net/core/dev.c:1495)
[   10.209601][  T224]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.209798][  T224]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.210027][  T224]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   10.210247][  T224]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.210428][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.210619][  T224]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.210809][  T224]  veth_newlink (drivers/net/veth.c:1871)
[   10.211005][  T224]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.211184][  T224]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.211375][  T224]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.211564][  T224]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.211771][  T224]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.211965][  T224]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.212149][  T224]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.212331][  T224]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.212515][  T224]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.212705][  T224]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.212903][  T224]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.213083][  T224]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.213266][  T224]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.213452][  T224]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.213645][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.213836][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.214025][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.214206][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.214385][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.214574][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.214771][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.214970][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.215152][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.215337][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.215518][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.215711][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.215916][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.216100][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.216285][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.216466][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.216665][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.216851][  T224]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.217053][  T224]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.217235][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.217418][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.217611][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.217803][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.217999][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.218180][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.218363][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.218551][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.218739][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.218968][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.219156][  T224]  ___sys_sendmsg (net/socket.c:2752)
[   10.219335][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.219520][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.219726][  T224]  __sys_sendmsg (net/socket.c:2784)
[   10.219920][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.220098][  T224]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.220278][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.220464][  T224]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.220660][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.220843][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.221038][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.221219][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.221399][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.221588][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.221814][  T224] RIP: 0033:0x7f9f39b3708e
[   10.222016][  T224] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.222537][  T224] RSP: 002b:00007ffdb29a92e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.222796][  T224] RAX: ffffffffffffffda RBX: 00007ffdb29a9a88 RCX: 00007f9f39b3708e
[   10.223053][  T224] RDX: 0000000000000000 RSI: 00007ffdb29a9390 RDI: 0000000000000005
[   10.223297][  T224] RBP: 00007ffdb29a92f0 R08: 0000000000000000 R09: 0000000000000000
[   10.223546][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.223799][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb29a9a60
| [   10.233935][  T224] ------------[ cut here ]------------
| [   10.234116][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/224
| [   10.234396][  T224] Modules linked in:
| [   10.234892][  T224] Tainted: [W]=WARN
[   10.235038][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.235250][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.235471][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.236118][  T224] RSP: 0018:ffa0000000af71b0 EFLAGS: 00010286
[   10.236330][  T224] RAX: 00000000ffffffa6 RBX: ff1100000dc24e40 RCX: 1ff400000015edfc
[   10.236585][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc24efc
[   10.236834][  T224] RBP: ff110000102b1000 R08: 1fe2200001b849e1 R09: ff11000010275180
[   10.237087][  T224] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.237330][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   10.237586][  T224] FS:  00007f9f398fd840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.237887][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.238101][  T224] CR2: 000000000042ebe0 CR3: 0000000009bc4002 CR4: 0000000000771ef0
[   10.238347][  T224] PKRU: 55555554
[   10.238492][  T224] Call Trace:
[   10.238646][  T224]  <TASK>
[   10.238770][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.238967][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.239115][  T224]  __dev_notify_flags (net/core/dev.c:9787)
[   10.239297][  T224]  ? netif_change_name (net/core/dev.c:1495)
[   10.239477][  T224]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.239671][  T224]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.239853][  T224]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.240048][  T224]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.240232][  T224]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.240411][  T224]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.240597][  T224]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.240792][  T224]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.240988][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.241169][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.241346][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.241529][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.241718][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.241912][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.242099][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.242282][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.242462][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.242659][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.242838][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.243029][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.243214][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.243393][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.243583][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.243780][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.243973][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.244157][  T224]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.244336][  T224]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.244526][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.244718][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.244912][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.245098][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.245280][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.245462][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.245658][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.245838][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.246032][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.246241][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.246425][  T224]  ___sys_sendmsg (net/socket.c:2752)
[   10.246612][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.246802][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.247008][  T224]  __sys_sendmsg (net/socket.c:2784)
[   10.247189][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.247369][  T224]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.247554][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.247749][  T224]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.247944][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.248124][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.248304][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.248483][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.248685][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.248880][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.249090][  T224] RIP: 0033:0x7f9f39b3708e
[   10.249276][  T224] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.249804][  T224] RSP: 002b:00007ffdb29a92e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.250065][  T224] RAX: ffffffffffffffda RBX: 00007ffdb29a9a88 RCX: 00007f9f39b3708e
[   10.250309][  T224] RDX: 0000000000000000 RSI: 00007ffdb29a9390 RDI: 0000000000000005
[   10.250558][  T224] RBP: 00007ffdb29a92f0 R08: 0000000000000000 R09: 0000000000000000
[   10.250809][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.251066][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb29a9a60
| [   10.328060][  T226] ------------[ cut here ]------------
| [   10.328209][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/226
| [   10.328429][  T226] Modules linked in:
| [   10.328792][  T226] Tainted: [W]=WARN
[   10.328897][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.329053][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.329217][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.329666][  T226] RSP: 0018:ffa0000000b16ff8 EFLAGS: 00010286
[   10.329823][  T226] RAX: 00000000ffffffa6 RBX: ff1100000e576900 RCX: 1ff4000000162dc5
[   10.330016][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5769bc
[   10.330203][  T226] RBP: ff11000005a24000 R08: 1fe2200001caed39 R09: ff11000010270b58
[   10.330389][  T226] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.330578][  T226] R13: 0000000000000000 R14: ffa0000000b17140 R15: ff1100000dc4bbd0
[   10.330772][  T226] FS:  00007f618aea7840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   10.331001][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.331163][  T226] CR2: 0000000012274988 CR3: 0000000010ac6005 CR4: 0000000000771ef0
[   10.331350][  T226] PKRU: 55555554
[   10.331444][  T226] Call Trace:
[   10.331540][  T226]  <TASK>
[   10.331607][  T226]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.331743][  T226]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.331909][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.332036][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.332163][  T226]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.332321][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.332446][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.332580][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.332714][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.332845][  T226]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.332976][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.333109][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.333237][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.333395][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.333520][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.333644][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.333778][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.333963][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.334095][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.334222][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.334346][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.334471][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.334600][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.334727][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.334851][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.334996][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.335121][  T226]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.335248][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.335374][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.335501][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.335628][  T226]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.335760][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.335895][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.336021][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.336187][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.336312][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.336437][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.336565][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.336698][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.336822][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.336951][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.337076][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.337202][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.337327][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.337452][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.337578][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.337710][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.337837][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.337966][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.338091][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.338217][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.338342][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.338470][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.338599][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.338730][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.338857][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.338987][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.339113][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.339239][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.339366][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.339493][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.339621][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.339751][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.339913][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.340041][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.340166][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.340292][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.340415][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.340575][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.340718][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.340844][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.340971][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.341128][  T226]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.341253][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.341377][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.341501][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.341629][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.341759][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.341924][  T226] RIP: 0033:0x7f618b0e108e
[   10.342056][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.342500][  T226] RSP: 002b:00007fff7fef9070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.342695][  T226] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f618b0e108e
[   10.342883][  T226] RDX: 0000000000000000 RSI: 00007fff7fef9120 RDI: 0000000000000005
[   10.343070][  T226] RBP: 00007fff7fef9080 R08: 0000000000000000 R09: 0000000000000000
[   10.343255][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.343440][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7fef97f0
| [   10.346070][  T226] ------------[ cut here ]------------
| [   10.346198][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/226
| [   10.346412][  T226] Modules linked in:
| [   10.346777][  T226] Tainted: [W]=WARN
[   10.346877][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.347039][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.347202][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.347661][  T226] RSP: 0018:ffa0000000b16fc0 EFLAGS: 00010286
[   10.347821][  T226] RAX: 00000000ffffffa6 RBX: ff1100000dc27c40 RCX: 1ff4000000162dbe
[   10.348014][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27cfc
[   10.348202][  T226] RBP: ff11000005a24000 R08: 1fe2200001b84fa1 R09: ff11000010270b58
[   10.348389][  T226] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.348579][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc4bbd0
[   10.348773][  T226] FS:  00007f618aea7840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   10.348999][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.349155][  T226] CR2: 0000000012274988 CR3: 0000000010ac6005 CR4: 0000000000771ef0
[   10.349343][  T226] PKRU: 55555554
[   10.349438][  T226] Call Trace:
[   10.349536][  T226]  <TASK>
[   10.349601][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.349730][  T226]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.349859][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.349960][  T226]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.350118][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.350244][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.350372][  T226]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.350532][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.350663][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.350791][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.350922][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.351049][  T226]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.351178][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.351305][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.351432][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.351593][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.351726][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.351853][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.351983][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.352109][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.352235][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.352363][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.352488][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.352618][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.352749][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.352879][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.353005][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.353131][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.353258][  T226]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.353384][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.353513][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.353640][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.353770][  T226]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.353903][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.354032][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.354160][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.354285][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.354410][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.354540][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.354667][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.354797][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.354927][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.355052][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.355178][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.355306][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.355432][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.355563][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.355694][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.355819][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.355952][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.356078][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.356205][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.356332][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.356458][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.356592][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.356722][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.356850][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.356983][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.357109][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.357236][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.357364][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.357493][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.357626][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.357759][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.357890][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.358048][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.358176][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.358303][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.358431][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.358561][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.358723][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.358861][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.358995][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.359121][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.359280][  T226]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.359410][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.359541][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.359674][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.359801][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.359932][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.360088][  T226] RIP: 0033:0x7f618b0e108e
[   10.360223][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.360684][  T226] RSP: 002b:00007fff7fef9070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.360879][  T226] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f618b0e108e
[   10.361068][  T226] RDX: 0000000000000000 RSI: 00007fff7fef9120 RDI: 0000000000000005
[   10.361257][  T226] RBP: 00007fff7fef9080 R08: 0000000000000000 R09: 0000000000000000
[   10.361445][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.361638][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7fef97f0
| [   10.363573][  T226] ------------[ cut here ]------------
| [   10.363711][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/226
| [   10.363937][  T226] Modules linked in:
| [   10.364289][  T226] Tainted: [W]=WARN
[   10.364383][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.364545][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.364714][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.365226][  T226] RSP: 0018:ffa0000000b17038 EFLAGS: 00010286
[   10.365390][  T226] RAX: 00000000ffffffa6 RBX: ff1100000dc27380 RCX: 1ff4000000162dcd
[   10.365585][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2743c
[   10.365837][  T226] RBP: ff11000005a24000 R08: 1fe2200001b84e89 R09: ff11000010270b58
[   10.366079][  T226] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.366267][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.366456][  T226] FS:  00007f618aea7840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   10.366686][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.366844][  T226] CR2: 0000000012274988 CR3: 0000000010ac6005 CR4: 0000000000771ef0
[   10.367085][  T226] PKRU: 55555554
[   10.367179][  T226] Call Trace:
[   10.367274][  T226]  <TASK>
[   10.367339][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.367466][  T226]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.367596][  T226]  notifier_call_chain (kernel/notifier.c:85)
[   10.367729][  T226]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.367857][  T226]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.368070][  T226]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.368228][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.368356][  T226]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.368484][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.368614][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.368744][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.368961][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.369087][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.369214][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.369340][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.369466][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.369595][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.369730][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.369857][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.370037][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.370164][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.370288][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.370414][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.370542][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.370673][  T226]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.370803][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.370985][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.371114][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.371241][  T226]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.371371][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.371500][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.371632][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.371763][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.371942][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.372068][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.372192][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.372320][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.372446][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.372575][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.372707][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.372836][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.373020][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.373147][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.373273][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.373399][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.373531][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.373660][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.373787][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.373968][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.374095][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.374225][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.374351][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.374480][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.374611][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.374743][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.374923][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.375051][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.375179][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.375308][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.375434][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.375565][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.375726][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.375856][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.376038][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.376167][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.376293][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.376450][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.376593][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.376725][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.376852][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.377067][  T226]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.377195][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.377323][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.377450][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.377579][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.377712][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.377922][  T226] RIP: 0033:0x7f618b0e108e
[   10.378056][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.378513][  T226] RSP: 002b:00007fff7fef9070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.378710][  T226] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f618b0e108e
[   10.378953][  T226] RDX: 0000000000000000 RSI: 00007fff7fef9120 RDI: 0000000000000005
[   10.379140][  T226] RBP: 00007fff7fef9080 R08: 0000000000000000 R09: 0000000000000000
[   10.379329][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.379519][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7fef97f0
| [   10.387936][  T226] ------------[ cut here ]------------
| [   10.388080][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/226
| [   10.388305][  T226] Modules linked in:
| [   10.388677][  T226] Tainted: [W]=WARN
[   10.388774][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.388951][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.389118][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.389582][  T226] RSP: 0018:ffa0000000b17020 EFLAGS: 00010286
[   10.389751][  T226] RAX: 00000000ffffffa6 RBX: ff1100000a16be00 RCX: 1ff4000000162dca
[   10.389952][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bebc
[   10.390142][  T226] RBP: ff11000005a24000 R08: 1fe220000142d7d9 R09: ff11000010270b58
[   10.390333][  T226] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.390525][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.390726][  T226] FS:  00007f618aea7840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   10.390955][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.391118][  T226] CR2: 000055c5ae9d2d30 CR3: 0000000010ac6002 CR4: 0000000000771ef0
[   10.391312][  T226] PKRU: 55555554
[   10.391407][  T226] Call Trace:
[   10.391503][  T226]  <TASK>
[   10.391573][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.391710][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.391809][  T226]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.391942][  T226]  __dev_notify_flags (net/core/dev.c:9787)
[   10.392071][  T226]  ? netif_change_name (net/core/dev.c:1495)
[   10.392199][  T226]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.392328][  T226]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.392457][  T226]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.392618][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.392754][  T226]  netif_change_flags (net/core/dev.c:9820)
[   10.392889][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.393019][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.393148][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.393309][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.393436][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.393567][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.393699][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.393828][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.393961][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.394091][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.394218][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.394346][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.394474][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.394604][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.394737][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.394864][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.394998][  T226]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.395126][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.395255][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.395384][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.395515][  T226]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.395646][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.395782][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.395914][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.396041][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.396169][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.396297][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.396425][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.396556][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.396687][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.396814][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.396945][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.397073][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.397201][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.397328][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.397455][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.397582][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.397715][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.397842][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.397974][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.398102][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.398232][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.398363][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.398490][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.398623][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.398757][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.398891][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.399020][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.399150][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.399280][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.399410][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.399540][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.399673][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.399832][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.399966][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.400095][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.400224][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.400352][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.400514][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.400659][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.400788][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.400920][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.401081][  T226]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.401211][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.401340][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.401467][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.401598][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.401734][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.401898][  T226] RIP: 0033:0x7f618b0e108e
[   10.402032][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.402489][  T226] RSP: 002b:00007fff7fef9070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.402691][  T226] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f618b0e108e
[   10.402888][  T226] RDX: 0000000000000000 RSI: 00007fff7fef9120 RDI: 0000000000000005
[   10.403081][  T226] RBP: 00007fff7fef9080 R08: 0000000000000000 R09: 0000000000000000
[   10.403272][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.403464][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7fef97f0
| [   10.436715][  T227] ------------[ cut here ]------------
| [   10.437462][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.437756][  T227] Modules linked in:
| [   10.438286][  T227] Tainted: [W]=WARN
[   10.438436][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.438663][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.438899][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.439421][  T227] RSP: 0018:ffa0000000566e30 EFLAGS: 00010286
[   10.439645][  T227] RAX: 00000000ffffffa6 RBX: ff1100000e577540 RCX: 1ff40000000acd8c
[   10.439910][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5775fc
[   10.440154][  T227] RBP: ff1100000fdd1000 R08: 1fe2200001caeec1 R09: ff1100000a902e80
[   10.440402][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.440662][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d54b500
[   10.440921][  T227] FS:  00007f437f002840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.441239][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.441456][  T227] CR2: 000000000042ebe0 CR3: 000000000e5e3002 CR4: 0000000000771ef0
[   10.441722][  T227] PKRU: 55555554
[   10.441883][  T227] Call Trace:
[   10.442030][  T227]  <TASK>
[   10.442145][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.442329][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.442478][  T227]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.442701][  T227]  __dev_notify_flags (net/core/dev.c:9787)
[   10.442898][  T227]  ? netif_change_name (net/core/dev.c:1495)
[   10.443077][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.443257][  T227]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.443436][  T227]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.443625][  T227]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.443818][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.444015][  T227]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.444197][  T227]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.444376][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.444563][  T227]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.444754][  T227]  veth_newlink (drivers/net/veth.c:1871)
[   10.444952][  T227]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.445130][  T227]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.445312][  T227]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.445489][  T227]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.445699][  T227]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.445892][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.446074][  T227]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.446254][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.446435][  T227]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.446625][  T227]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.446819][  T227]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.447014][  T227]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.447193][  T227]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.447378][  T227]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.447569][  T227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.447761][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.447951][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.448136][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.448315][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.448494][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.448694][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.448888][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.449068][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.449248][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.449427][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.449618][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.449804][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.449995][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.450177][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.450357][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.450539][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.450732][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.450919][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.451104][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.451287][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.451467][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.451664][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.451847][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.452040][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.452221][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.452405][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.452591][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.452812][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   10.453009][  T227]  ___sys_sendmsg (net/socket.c:2752)
[   10.453187][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.453367][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.453563][  T227]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.453757][  T227]  __sys_sendmsg (net/socket.c:2784)
[   10.453952][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.454135][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.454314][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.454495][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.454688][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.454883][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.455063][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.455278][  T227] RIP: 0033:0x7f437f23c08e
[   10.455466][  T227] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.456013][  T227] RSP: 002b:00007ffe06c03340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.456262][  T227] RAX: ffffffffffffffda RBX: 00007ffe06c03ae8 RCX: 00007f437f23c08e
[   10.456504][  T227] RDX: 0000000000000000 RSI: 00007ffe06c033f0 RDI: 0000000000000005
[   10.456762][  T227] RBP: 00007ffe06c03350 R08: 0000000000000000 R09: 0000000000000000
[   10.457016][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.457261][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe06c03ac0
| [   10.473303][  T227] ------------[ cut here ]------------
| [   10.473707][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.474054][  T227] Modules linked in:
| [   10.474631][  T227] Tainted: [W]=WARN
[   10.474840][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.475119][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.475395][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.475997][  T227] RSP: 0018:ffa00000005671b0 EFLAGS: 00010286
[   10.476264][  T227] RAX: 00000000ffffffa6 RBX: ff1100000b962580 RCX: 1ff40000000acdfc
[   10.476567][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96263c
[   10.476887][  T227] RBP: ff1100001061c000 R08: 1fe220000172c4c9 R09: ff1100000a902e80
[   10.477182][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.477477][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   10.477790][  T227] FS:  00007f437f002840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.478136][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.478401][  T227] CR2: 000000000042ebe0 CR3: 000000000e5e3002 CR4: 0000000000771ef0
[   10.478716][  T227] PKRU: 55555554
[   10.478929][  T227] Call Trace:
[   10.479130][  T227]  <TASK>
[   10.479299][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.479542][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.479754][  T227]  __dev_notify_flags (net/core/dev.c:9787)
[   10.480034][  T227]  ? netif_change_name (net/core/dev.c:1495)
[   10.480317][  T227]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.480601][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.480945][  T227]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.481127][  T227]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.481308][  T227]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.481490][  T227]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.481682][  T227]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.481883][  T227]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.482067][  T227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.482248][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.482425][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.482613][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.482798][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.482993][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.483177][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.483357][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.483538][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.483727][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.483917][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.484095][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.484276][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.484457][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.484646][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.484833][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.485023][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.485205][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.485384][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.485573][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.485766][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.485957][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.486138][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.486318][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.486499][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.486694][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.486887][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.487066][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.487276][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   10.487461][  T227]  ___sys_sendmsg (net/socket.c:2752)
[   10.487650][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.487837][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.488038][  T227]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.488220][  T227]  __sys_sendmsg (net/socket.c:2784)
[   10.488402][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.488594][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.488782][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.488978][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.489155][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.489333][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.489515][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.489733][  T227] RIP: 0033:0x7f437f23c08e
[   10.489934][  T227] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.490447][  T227] RSP: 002b:00007ffe06c03340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.490702][  T227] RAX: ffffffffffffffda RBX: 00007ffe06c03ae8 RCX: 00007f437f23c08e
[   10.490962][  T227] RDX: 0000000000000000 RSI: 00007ffe06c033f0 RDI: 0000000000000005
[   10.491204][  T227] RBP: 00007ffe06c03350 R08: 0000000000000000 R09: 0000000000000000
[   10.491447][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.491700][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe06c03ac0
| [   10.535093][  T228] ------------[ cut here ]------------
| [   10.535237][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/228
| [   10.535457][  T228] Modules linked in:
| [   10.535822][  T228] Tainted: [W]=WARN
[   10.535929][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.536088][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.536253][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.536709][  T228] RSP: 0018:ffa0000000586ff8 EFLAGS: 00010286
[   10.536876][  T228] RAX: 00000000ffffffa6 RBX: ff1100000b963540 RCX: 1ff40000000b0dc5
[   10.537065][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9635fc
[   10.537253][  T228] RBP: ff1100000fdd1000 R08: 1fe220000172c6c1 R09: ff1100000a905158
[   10.537439][  T228] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.537629][  T228] R13: 0000000000000000 R14: ffa0000000587140 R15: ff1100000ab074d0
[   10.537823][  T228] FS:  00007fd47504e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   10.538051][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.538209][  T228] CR2: 000000003005a988 CR3: 000000000fd4e006 CR4: 0000000000771ef0
[   10.538398][  T228] PKRU: 55555554
[   10.538492][  T228] Call Trace:
[   10.538590][  T228]  <TASK>
[   10.538660][  T228]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.538789][  T228]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.538959][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.539085][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.539212][  T228]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.539368][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.539493][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.539623][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.539754][  T228]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.539884][  T228]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.540017][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.540144][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.540274][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.540431][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.540561][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.540691][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.540817][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.540953][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.541079][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.541214][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.541340][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.541467][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.541596][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.541725][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.541851][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.542017][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.542144][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.542268][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.542395][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.542523][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.542648][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.542781][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.542914][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.543042][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.543168][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.543293][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.543420][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.543548][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.543681][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.543806][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.543938][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.544064][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.544192][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.544319][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.544444][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.544574][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.544704][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.544831][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.544960][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.545087][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.545211][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.545338][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.545467][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.545596][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.545729][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.545857][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.545988][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.546114][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.546240][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.546367][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.546492][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.546619][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.546747][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.546908][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.547035][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.547161][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.547290][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.547414][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.547572][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.547713][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.547839][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.547968][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.548126][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.548252][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.548379][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.548505][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.548632][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.548763][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.548924][  T228] RIP: 0033:0x7fd47528808e
[   10.549056][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.549505][  T228] RSP: 002b:00007ffd69137a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.549702][  T228] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd47528808e
[   10.549894][  T228] RDX: 0000000000000000 RSI: 00007ffd69137b20 RDI: 0000000000000005
[   10.550081][  T228] RBP: 00007ffd69137a80 R08: 0000000000000000 R09: 0000000000000000
[   10.550269][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.550455][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd691381f0
| [   10.558526][  T228] ------------[ cut here ]------------
| [   10.558664][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/228
| [   10.559169][  T228] Modules linked in:
| [   10.559520][  T228] Tainted: [W]=WARN
[   10.559615][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.559784][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.559955][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.560408][  T228] RSP: 0018:ffa0000000586fc0 EFLAGS: 00010286
[   10.560570][  T228] RAX: 00000000ffffffa6 RBX: ff1100000b8de3c0 RCX: 1ff40000000b0dbe
[   10.560764][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8de47c
[   10.560957][  T228] RBP: ff1100000fdd1000 R08: 1fe220000171bc91 R09: ff1100000a905158
[   10.561148][  T228] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.561336][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab074d0
[   10.561529][  T228] FS:  00007fd47504e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   10.561756][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.561921][  T228] CR2: 000000003005a988 CR3: 000000000fd4e006 CR4: 0000000000771ef0
[   10.562112][  T228] PKRU: 55555554
[   10.562207][  T228] Call Trace:
[   10.562301][  T228]  <TASK>
[   10.562366][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.562493][  T228]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.562623][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.562725][  T228]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.562891][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563017][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.563145][  T228]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.563302][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.563427][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.563554][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563687][  T228]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.563815][  T228]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.563946][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.564075][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.564204][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.564361][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.564486][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.564614][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.564746][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.564877][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.565004][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.565133][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.565260][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.565387][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.565516][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.565644][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.565776][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.565906][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.566032][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.566157][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.566285][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.566413][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.566542][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.566679][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.566808][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.566940][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.567066][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.567192][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.567317][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.567443][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.567575][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.567707][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.567832][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.567964][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.568091][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.568217][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.568343][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.568469][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.568600][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.568732][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.568858][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.568991][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.569117][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.569243][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.569372][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.569498][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.569630][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.569763][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.569895][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.570024][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.570153][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.570280][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.570408][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.570538][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.570669][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.570827][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.570964][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.571090][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.571219][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.571345][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.571507][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.571648][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.571780][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.571910][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.572069][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.572196][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.572322][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.572448][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.572578][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.572708][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.572871][  T228] RIP: 0033:0x7fd47528808e
[   10.573003][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.573452][  T228] RSP: 002b:00007ffd69137a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.573663][  T228] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd47528808e
[   10.573853][  T228] RDX: 0000000000000000 RSI: 00007ffd69137b20 RDI: 0000000000000005
[   10.574046][  T228] RBP: 00007ffd69137a80 R08: 0000000000000000 R09: 0000000000000000
[   10.574235][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.574424][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd691381f0
| [   10.576266][  T228] ------------[ cut here ]------------
| [   10.576390][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/228
| [   10.576607][  T228] Modules linked in:
| [   10.577021][  T228] Tainted: [W]=WARN
[   10.577118][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.577276][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.577439][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.577955][  T228] RSP: 0018:ffa0000000587038 EFLAGS: 00010286
[   10.578113][  T228] RAX: 00000000ffffffa6 RBX: ff1100000b8de740 RCX: 1ff40000000b0dcd
[   10.578300][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8de7fc
[   10.578544][  T228] RBP: ff1100000fdd1000 R08: 1fe220000171bd01 R09: ff1100000a905158
[   10.578738][  T228] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.578979][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.579168][  T228] FS:  00007fd47504e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   10.579387][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.579548][  T228] CR2: 000000003005a988 CR3: 000000000fd4e006 CR4: 0000000000771ef0
[   10.579745][  T228] PKRU: 55555554
[   10.579838][  T228] Call Trace:
[   10.579990][  T228]  <TASK>
[   10.580056][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.580182][  T228]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.580309][  T228]  notifier_call_chain (kernel/notifier.c:85)
[   10.580437][  T228]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.580567][  T228]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.580729][  T228]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.580939][  T228]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.581066][  T228]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.581194][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.581321][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.581448][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.581608][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.581739][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.581864][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.582043][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.582169][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.582294][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.582421][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.582549][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.582681][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.582806][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.582984][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.583109][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.583233][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.583359][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.583484][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.583611][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.583747][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.583927][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.584055][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.584185][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.584313][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.584438][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.584568][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.584700][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.584827][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.585009][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.585136][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.585261][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.585388][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.585518][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.585646][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.585777][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.585955][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.586082][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.586210][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.586335][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.586463][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.586595][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.586726][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.586857][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.587036][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.587165][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.587293][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.587420][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.587549][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.587683][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.587811][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.587992][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.588119][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.588246][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.588403][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.588535][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.588667][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.588797][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.588977][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.589137][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.589277][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.589405][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.589535][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.589700][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.589828][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.590010][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.590137][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.590263][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.590390][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.590550][  T228] RIP: 0033:0x7fd47528808e
[   10.590690][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.591199][  T228] RSP: 002b:00007ffd69137a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.591392][  T228] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd47528808e
[   10.591583][  T228] RDX: 0000000000000000 RSI: 00007ffd69137b20 RDI: 0000000000000005
[   10.591779][  T228] RBP: 00007ffd69137a80 R08: 0000000000000000 R09: 0000000000000000
[   10.592021][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.592210][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd691381f0
| [   10.594519][  T228] ------------[ cut here ]------------
| [   10.594700][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/228
| [   10.594986][  T228] Modules linked in:
| [   10.595497][  T228] Tainted: [W]=WARN
[   10.595649][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.595882][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.596098][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.596613][  T228] RSP: 0018:ffa0000000587020 EFLAGS: 00010286
[   10.596831][  T228] RAX: 00000000ffffffa6 RBX: ff1100000b8df000 RCX: 1ff40000000b0dca
[   10.597079][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8df0bc
[   10.597319][  T228] RBP: ff1100000fdd1000 R08: 1fe220000171be19 R09: ff1100000a905158
[   10.597568][  T228] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.597823][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.598079][  T228] FS:  00007fd47504e840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.598358][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.598577][  T228] CR2: 000000000042ebe0 CR3: 000000000fd4e003 CR4: 0000000000771ef0
[   10.598829][  T228] PKRU: 55555554
[   10.598983][  T228] Call Trace:
[   10.599125][  T228]  <TASK>
[   10.599238][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.599415][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.599567][  T228]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.599750][  T228]  __dev_notify_flags (net/core/dev.c:9787)
[   10.599942][  T228]  ? netif_change_name (net/core/dev.c:1495)
[   10.600123][  T228]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.600300][  T228]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.600477][  T228]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.600694][  T228]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.600884][  T228]  netif_change_flags (net/core/dev.c:9820)
[   10.601061][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.601242][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.601420][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.601637][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.601823][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.602012][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.602189][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.602365][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.602548][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.602735][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.602919][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.603097][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.603271][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.603444][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.603625][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.603811][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.604003][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.604179][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.604358][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.604536][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.604720][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.604912][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.605092][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.605273][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.605447][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.605630][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.605813][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.606000][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.606178][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.606353][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.606533][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.606719][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.606908][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.607085][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.607261][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.607439][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.607620][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.607802][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.607992][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.608169][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.608345][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.608523][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.608712][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.608903][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.609083][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.609260][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.609438][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.609623][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.609808][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.609998][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.610176][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.610352][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.610533][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.610750][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.610946][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.611121][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.611299][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.611474][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.611695][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.611897][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.612076][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.612249][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.612459][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.612646][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.612833][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.613020][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.613196][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.613373][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.613588][  T228] RIP: 0033:0x7fd47528808e
[   10.613778][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.614294][  T228] RSP: 002b:00007ffd69137a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.614540][  T228] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd47528808e
[   10.614790][  T228] RDX: 0000000000000000 RSI: 00007ffd69137b20 RDI: 0000000000000005
[   10.615039][  T228] RBP: 00007ffd69137a80 R08: 0000000000000000 R09: 0000000000000000
[   10.615276][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.615517][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd691381f0
| [   10.695732][  T231] ------------[ cut here ]------------
| [   10.695919][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/231
| [   10.696190][  T231] Modules linked in:
| [   10.696660][  T231] Tainted: [W]=WARN
[   10.696806][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.697684][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.697998][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.698577][  T231] RSP: 0018:ffa0000000b47020 EFLAGS: 00010286
[   10.698848][  T231] RAX: 00000000ffffffa6 RBX: ff110000055771c0 RCX: 1ff4000000168dca
[   10.699106][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000557727c
[   10.699343][  T231] RBP: ff110000102b1000 R08: 1fe2200000aaee51 R09: ff11000009d30b58
[   10.699587][  T231] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.699831][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.700080][  T231] FS:  00007f4ee4aa1840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.700352][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.700565][  T231] CR2: 00007f4ee4d711a0 CR3: 00000000061bf006 CR4: 0000000000771ef0
[   10.700818][  T231] PKRU: 55555554
[   10.700973][  T231] Call Trace:
[   10.701116][  T231]  <TASK>
[   10.701229][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.701411][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.701563][  T231]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.701750][  T231]  __dev_notify_flags (net/core/dev.c:9787)
[   10.701941][  T231]  ? netif_change_name (net/core/dev.c:1495)
[   10.702116][  T231]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.702293][  T231]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.702468][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.702664][  T231]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.702843][  T231]  netif_change_flags (net/core/dev.c:9820)
[   10.703033][  T231]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.703210][  T231]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.703391][  T231]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.703576][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.703791][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.703981][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.704157][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.704332][  T231]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.704510][  T231]  ? __kernel_text_address (kernel/extable.c:79)
[   10.704699][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.704891][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.705067][  T231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.705246][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.705420][  T231]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.705601][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.705787][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.705978][  T231]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.706154][  T231]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.706332][  T231]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.706511][  T231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.706704][  T231]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.706895][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.707075][  T231]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.707255][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.707429][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.707615][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.707796][  T231]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.707980][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.708160][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.708334][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.708511][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.708699][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.708887][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.709062][  T231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.709238][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.709417][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.709598][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.709784][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.709969][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.710146][  T231]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.710321][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.710497][  T231]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.710690][  T231]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.710881][  T231]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.711059][  T231]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.711236][  T231]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.711412][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.711595][  T231]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.711781][  T231]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.711974][  T231]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.712154][  T231]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.712330][  T231]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.712507][  T231]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.712725][  T231]  ? move_addr_to_kernel (net/socket.c:258)
[   10.712917][  T231]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.713094][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.713271][  T231]  ___sys_sendmsg (net/socket.c:2752)
[   10.713448][  T231]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.713670][  T231]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.713860][  T231]  __sys_sendmsg (net/socket.c:2784)
[   10.714049][  T231]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.714223][  T231]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.714432][  T231]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.714618][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.714807][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.714996][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.715186][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.715363][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.715578][  T231] RIP: 0033:0x7f4ee4cdb08e
[   10.715768][  T231] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.716288][  T231] RSP: 002b:00007ffd9efdb3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.716531][  T231] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4ee4cdb08e
[   10.716781][  T231] RDX: 0000000000000000 RSI: 00007ffd9efdb470 RDI: 0000000000000005
[   10.717034][  T231] RBP: 00007ffd9efdb3d0 R08: 0000000000000000 R09: 0000000000000000
[   10.717277][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf6
[   10.717519][  T231] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9efdbb40
| [   10.720602][   T38] ------------[ cut here ]------------
| [   10.720800][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/38
| [   10.721563][   T38] Modules linked in:
| [   10.722122][   T38] Tainted: [W]=WARN
[   10.722261][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.722501][   T38] Workqueue: events_unbound linkwatch_event
[   10.722724][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.723114][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.723592][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   10.723800][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c04a200 RCX: 1ff4000000055f02
[   10.724033][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a2bc
[   10.724256][   T38] RBP: ff110000102b1000 R08: 1fe2200001809459 R09: ff11000001da2ea8
[   10.724482][   T38] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.724717][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.724956][   T38] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.725223][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.725420][   T38] CR2: 00007f4ee4d711a0 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   10.725660][   T38] PKRU: 55555554
[   10.725797][   T38] Call Trace:
[   10.725945][   T38]  <TASK>
[   10.726054][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.726221][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.726387][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.726530][   T38]  netif_state_change (net/core/dev.c:1605)
[   10.726710][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.726920][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.727087][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.727252][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.727419][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.727589][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.727761][   T38]  process_one_work (kernel/workqueue.c:3314)
[   10.727950][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.728115][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.728285][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.728453][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.728623][   T38]  kthread (kernel/kthread.c:436)
[   10.728768][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.728974][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.729141][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.729306][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.729498][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.729677][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.729845][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.732295][   T38] ------------[ cut here ]------------
| [   10.732428][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [   10.732675][   T38] Modules linked in:
| [   10.733060][   T38] Tainted: [W]=WARN
[   10.733150][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.733300][   T38] Workqueue: events_unbound linkwatch_event
[   10.733462][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.733628][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.734068][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   10.734219][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c04a580 RCX: 1ff4000000055f02
[   10.734396][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a63c
[   10.734575][   T38] RBP: ff11000005a24000 R08: 1fe22000018094c9 R09: ff11000001da2ea8
[   10.734755][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.734957][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.735137][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   10.735344][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.735494][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   10.735684][   T38] PKRU: 55555554
[   10.735774][   T38] Call Trace:
[   10.735874][   T38]  <TASK>
[   10.735937][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.736057][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.736182][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.736273][   T38]  netif_state_change (net/core/dev.c:1605)
[   10.736393][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.736546][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.736667][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.736789][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.736913][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.737031][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.737154][   T38]  process_one_work (kernel/workqueue.c:3314)
[   10.737276][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.737396][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.737522][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.737647][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.737770][   T38]  kthread (kernel/kthread.c:436)
[   10.737859][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.738014][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.738133][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.738253][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.738403][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.738530][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.738659][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.864939][  T236] ------------[ cut here ]------------
| [   10.865100][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/236
| [   10.865328][  T236] Modules linked in:
| [   10.865705][  T236] Tainted: [W]=WARN
[   10.865802][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.865968][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.866136][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.866604][  T236] RSP: 0018:ffa0000000947020 EFLAGS: 00010286
[   10.866770][  T236] RAX: 00000000ffffffa6 RBX: ff1100000b7d4740 RCX: 1ff4000000128dca
[   10.866967][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d47fc
[   10.867162][  T236] RBP: ff1100001061c000 R08: 1fe22000016fa901 R09: ff1100000aa42e58
[   10.867355][  T236] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.867549][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.867749][  T236] FS:  00007ffbd1efd840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   10.867981][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.868143][  T236] CR2: 0000000033b13988 CR3: 000000000e5cf005 CR4: 0000000000771ef0
[   10.868337][  T236] PKRU: 55555554
[   10.868433][  T236] Call Trace:
[   10.868533][  T236]  <TASK>
[   10.868600][  T236]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.868738][  T236]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.868837][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.868972][  T236]  __dev_notify_flags (net/core/dev.c:9787)
[   10.869103][  T236]  ? netif_change_name (net/core/dev.c:1495)
[   10.869233][  T236]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.869363][  T236]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.869492][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.869626][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.869766][  T236]  netif_change_flags (net/core/dev.c:9820)
[   10.869902][  T236]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.870032][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.870162][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.870292][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.870451][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.870582][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.870717][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.870845][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.870978][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   10.871107][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.871238][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.871366][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.871496][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.871630][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.871762][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.871983][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.872112][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.872243][  T236]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.872372][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.872502][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.872635][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.872774][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.872972][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.873187][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.873317][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.873445][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.873577][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.873712][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.873842][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.874055][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.874183][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.874311][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.874441][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.874576][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.874711][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.874839][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.875053][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.875184][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.875312][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.875443][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.875576][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.875711][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.875843][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.876035][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.876168][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.876299][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.876429][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.876565][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.876701][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.876832][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.876975][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.877106][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.877237][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.877399][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.877534][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.877669][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.877800][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   10.877935][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.878096][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.878239][  T236]  __sys_sendmsg (net/socket.c:2784)
[   10.878370][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.878499][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.878670][  T236]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.878801][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.878937][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.879067][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.879197][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.879326][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.879486][  T236] RIP: 0033:0x7ffbd213708e
[   10.879624][  T236] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.880097][  T236] RSP: 002b:00007fff756c3f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.880292][  T236] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffbd213708e
[   10.880484][  T236] RDX: 0000000000000000 RSI: 00007fff756c3fc0 RDI: 0000000000000005
[   10.880682][  T236] RBP: 00007fff756c3f20 R08: 0000000000000000 R09: 0000000000000000
[   10.880909][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf7
[   10.881102][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff756c4690
| [   10.884265][   T36] ------------[ cut here ]------------
| [   10.884399][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   10.884643][   T36] Modules linked in:
| [   10.885017][   T36] Tainted: [W]=WARN
[   10.885107][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.885254][   T36] Workqueue: events_unbound linkwatch_event
[   10.885407][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.885563][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.885996][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.886145][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b7d58c0 RCX: 1ff4000000051f02
[   10.886320][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d597c
[   10.886499][   T36] RBP: ff1100000fdd1000 R08: 1fe22000016fab31 R09: ff11000001d751a8
[   10.886684][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.886862][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.887057][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   10.887263][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.887411][   T36] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   10.887591][   T36] PKRU: 55555554
[   10.887684][   T36] Call Trace:
[   10.887771][   T36]  <TASK>
[   10.887833][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.887959][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.888076][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.888171][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.888290][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.888439][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.888559][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.888682][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.888801][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.888924][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.889043][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.889165][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.889283][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.889408][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.889533][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.889649][   T36]  kthread (kernel/kthread.c:436)
[   10.889743][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.889893][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.890012][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.890130][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.890276][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.890393][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.890514][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.915506][  T237] ------------[ cut here ]------------
| [   10.915688][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/237
| [   10.915973][  T237] Modules linked in:
| [   10.916423][  T237] Tainted: [W]=WARN
[   10.916575][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.916793][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.917034][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.917547][  T237] RSP: 0018:ffa0000000b57150 EFLAGS: 00010286
[   10.917764][  T237] RAX: 00000000ffffffa6 RBX: ff1100000a306900 RCX: 1ff400000016adf0
[   10.918013][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a3069bc
[   10.918250][  T237] RBP: ff1100001061c000 R08: 1fe2200001460d39 R09: ff1100000aa40b58
[   10.918486][  T237] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.918732][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f76dc0
[   10.918987][  T237] FS:  00007f4744c66840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   10.919264][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.919472][  T237] CR2: 00000000004eba70 CR3: 00000000061bf001 CR4: 0000000000771ef0
[   10.919725][  T237] PKRU: 55555554
[   10.919929][  T237] Call Trace:
[   10.920076][  T237]  <TASK>
[   10.920189][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.920365][  T237]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.920546][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.920699][  T237]  netif_state_change (net/core/dev.c:1605)
[   10.920891][  T237]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.921095][  T237]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   10.921303][  T237]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   10.921480][  T237]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   10.921666][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.921840][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.922028][  T237]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.922203][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.922376][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.922557][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.922760][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.922948][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.923124][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.923297][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.923469][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.923663][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.923841][  T237]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.924031][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.924206][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.924381][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.924562][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.924747][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.924934][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.925109][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.925283][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.925460][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.925647][  T237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.925828][  T237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.926016][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.926191][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.926365][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.926546][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.926734][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.926921][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.927097][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.927273][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.927447][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.927665][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   10.927839][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.928029][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.928235][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.928409][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.928622][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   10.928804][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.928990][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.929172][  T237]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   10.929346][  T237]  ? do_getsockname (net/socket.c:2192)
[   10.929526][  T237]  __sys_sendmsg (net/socket.c:2784)
[   10.929708][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.929901][  T237]  ? __sys_getsockname (net/socket.c:2210)
[   10.930076][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.930250][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.930424][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.930608][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.930792][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.931010][  T237] RIP: 0033:0x7f4744ea008e
[   10.931189][  T237] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.931696][  T237] RSP: 002b:00007ffe19706230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.931948][  T237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4744ea008e
[   10.932184][  T237] RDX: 0000000000000000 RSI: 00007ffe197062e0 RDI: 0000000000000006
[   10.932419][  T237] RBP: 00007ffe19706240 R08: 0000000000000000 R09: 0000000000000000
[   10.932666][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf7
[   10.932917][  T237] R13: 00007ffe19706390 R14: 00007ffe1970a84c R15: 0000000000000000
| [   11.100815][  T243] ------------[ cut here ]------------
| [   11.100983][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   11.101217][  T243] Modules linked in:
| [   11.101658][  T243] Tainted: [W]=WARN
[   11.101759][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.101932][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.102105][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.102581][  T243] RSP: 0018:ffa0000000bb71b0 EFLAGS: 00010286
[   11.102754][  T243] RAX: 00000000ffffffa6 RBX: ff1100000fc4b000 RCX: 1ff4000000176dfc
[   11.102958][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b0bc
[   11.103155][  T243] RBP: ff1100000a3d4000 R08: 1fe2200001f89619 R09: ff11000010130b80
[   11.103352][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.103552][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   11.103759][  T243] FS:  00007f796a448840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   11.103991][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.104157][  T243] CR2: 00007f796a7bd040 CR3: 000000000e5cf002 CR4: 0000000000771ef0
[   11.104355][  T243] PKRU: 55555554
[   11.104454][  T243] Call Trace:
[   11.104553][  T243]  <TASK>
[   11.104621][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.104762][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.104863][  T243]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   11.105002][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   11.105139][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   11.105271][  T243]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   11.105405][  T243]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   11.105541][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.105682][  T243]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   11.105814][  T243]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.105951][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.106084][  T243]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   11.106217][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.106353][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.106484][  T243]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.106619][  T243]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.106764][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.106906][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.107040][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.107172][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.107304][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.107436][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.107571][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.107713][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.107847][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.107984][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.108116][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.108247][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.108380][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.108516][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.108646][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.108786][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.108924][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.109057][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.109193][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.109326][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.109460][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.109597][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.109735][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.110030][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.110231][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.110366][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.110499][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.110636][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.110776][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.111018][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   11.111158][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   11.111290][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.111422][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.111565][  T243]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.111706][  T243]  __sys_sendmsg (net/socket.c:2784)
[   11.111840][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.112072][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.112206][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.112340][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.112471][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.112609][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.112747][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.112941][  T243] RIP: 0033:0x7f796a68208e
[   11.113079][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.113552][  T243] RSP: 002b:00007ffc33ade7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.113758][  T243] RAX: ffffffffffffffda RBX: 00007ffc33adef58 RCX: 00007f796a68208e
[   11.113961][  T243] RDX: 0000000000000000 RSI: 00007ffc33ade860 RDI: 0000000000000005
[   11.114161][  T243] RBP: 00007ffc33ade7c0 R08: 0000000000000000 R09: 0000000000000000
[   11.114359][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf7
[   11.114558][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc33adef30
| [   11.145052][  T244] ------------[ cut here ]------------
| [   11.145199][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/244
| [   11.145431][  T244] Modules linked in:
| [   11.145808][  T244] Tainted: [W]=WARN
[   11.146565][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.146735][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.146910][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.147367][  T244] RSP: 0018:ffa0000000bc7020 EFLAGS: 00010286
[   11.147534][  T244] RAX: 00000000ffffffa6 RBX: ff1100000fc4ba80 RCX: 1ff4000000178dca
[   11.147731][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4bb3c
[   11.147927][  T244] RBP: ff1100000a3d4000 R08: 1fe2200001f89769 R09: ff1100001078d158
[   11.148121][  T244] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.148312][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.148504][  T244] FS:  00007fd03d9a8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   11.148737][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.148905][  T244] CR2: 0000000002189988 CR3: 000000000d50b004 CR4: 0000000000771ef0
[   11.149097][  T244] PKRU: 55555554
[   11.149193][  T244] Call Trace:
[   11.149289][  T244]  <TASK>
[   11.149356][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.149486][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.149587][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.149721][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   11.149852][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   11.149987][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.150117][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.150244][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.150373][  T244]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.150506][  T244]  netif_change_flags (net/core/dev.c:9820)
[   11.150639][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.150773][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.150908][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.151037][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.151196][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.151323][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.151451][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.151582][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.151719][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.151847][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.151982][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.152108][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.152236][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.152364][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.152493][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.152625][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.152757][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.152892][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.153020][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.153148][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.153277][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.153406][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.153542][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.153677][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.153804][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.153936][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.154064][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.154190][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.154319][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.154445][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.154578][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.154713][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.154841][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.154974][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.155102][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.155230][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.155359][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.155488][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.155621][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.155758][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.155891][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.156019][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.156152][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.156281][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.156411][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.156550][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.156683][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.156812][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.156949][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.157078][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.157208][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.157336][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.157464][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.157628][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.157763][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.157897][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.158026][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.158153][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.158311][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.158453][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.158583][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.158715][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.158885][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.159012][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.159142][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.159270][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.159399][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.159533][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.159699][  T244] RIP: 0033:0x7fd03dbe208e
[   11.159833][  T244] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.160293][  T244] RSP: 002b:00007ffd78268770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.160488][  T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd03dbe208e
[   11.160688][  T244] RDX: 0000000000000000 RSI: 00007ffd78268820 RDI: 0000000000000005
[   11.160881][  T244] RBP: 00007ffd78268780 R08: 0000000000000000 R09: 0000000000000000
[   11.161070][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf7
[   11.161260][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78268ef0
| [   11.302312][  T249] ------------[ cut here ]------------
| [   11.302501][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/249
| [   11.302798][  T249] Modules linked in:
| [   11.303273][  T249] Tainted: [W]=WARN
[   11.303420][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.303640][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.303889][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.304405][  T249] RSP: 0018:ffa0000000c071b0 EFLAGS: 00010286
[   11.304626][  T249] RAX: 00000000ffffffa6 RBX: ff1100000caa1540 RCX: 1ff4000000180dfc
[   11.304893][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa15fc
[   11.305137][  T249] RBP: ff1100000fd99000 R08: 1fe22000019542c1 R09: ff11000010900b80
[   11.305379][  T249] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.305631][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   11.305898][  T249] FS:  00007f6f03e4f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   11.306183][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.306397][  T249] CR2: 00000000004a2860 CR3: 000000000e6ce001 CR4: 0000000000771ef0
[   11.306651][  T249] PKRU: 55555554
[   11.306807][  T249] Call Trace:
[   11.307042][  T249]  <TASK>
[   11.307212][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.307547][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.307769][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.308041][  T249]  __dev_notify_flags (net/core/dev.c:9787)
[   11.308330][  T249]  ? netif_change_name (net/core/dev.c:1495)
[   11.308513][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.308702][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.308896][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.309075][  T249]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.309256][  T249]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.309438][  T249]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.309625][  T249]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   11.309817][  T249]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.310011][  T249]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.310191][  T249]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.310370][  T249]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.310562][  T249]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.310757][  T249]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.310954][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.311133][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.311316][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.311495][  T249]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.311689][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.311887][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.312067][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.312244][  T249]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.312422][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.312610][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.312803][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.312997][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.313174][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.313354][  T249]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.313534][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.313725][  T249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.313922][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.314104][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.314285][  T249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.314465][  T249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.314652][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.314840][  T249]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.315034][  T249]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.315214][  T249]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.315396][  T249]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.315587][  T249]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.315775][  T249]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.316001][  T249]  ? move_addr_to_kernel (net/socket.c:258)
[   11.316186][  T249]  ___sys_sendmsg (net/socket.c:2752)
[   11.316368][  T249]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.316559][  T249]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.316785][  T249]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.316986][  T249]  __sys_sendmsg (net/socket.c:2784)
[   11.317166][  T249]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.317349][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.317532][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.317721][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.317914][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.318095][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.318305][  T249] RIP: 0033:0x7f6f0408908e
[   11.318493][  T249] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.319031][  T249] RSP: 002b:00007ffda468a630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.319278][  T249] RAX: ffffffffffffffda RBX: 00007ffda468add8 RCX: 00007f6f0408908e
[   11.319526][  T249] RDX: 0000000000000000 RSI: 00007ffda468a6e0 RDI: 0000000000000005
[   11.319782][  T249] RBP: 00007ffda468a640 R08: 0000000000000000 R09: 0000000000000000
[   11.320040][  T249] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf7
[   11.320284][  T249] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda468adb0
| [   11.344884][  T250] ------------[ cut here ]------------
| [   11.345029][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/250
| [   11.345255][  T250] Modules linked in:
| [   11.345620][  T250] Tainted: [W]=WARN
[   11.345723][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.345889][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.346057][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.346519][  T250] RSP: 0018:ffa0000000c17020 EFLAGS: 00010286
[   11.346689][  T250] RAX: 00000000ffffffa6 RBX: ff1100000909c200 RCX: 1ff4000000182dca
[   11.347430][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909c2bc
[   11.347628][  T250] RBP: ff1100000fd99000 R08: 1fe2200001213859 R09: ff11000010902e58
[   11.347828][  T250] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.348077][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.348271][  T250] FS:  00007f8640dbc840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   11.348499][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.348668][  T250] CR2: 0000000028ce8988 CR3: 000000001065f005 CR4: 0000000000771ef0
[   11.348864][  T250] PKRU: 55555554
[   11.349075][  T250] Call Trace:
[   11.349170][  T250]  <TASK>
[   11.349237][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.349368][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.349468][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.349602][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   11.349735][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   11.349865][  T250]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.350049][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.350178][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.350307][  T250]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.350440][  T250]  netif_change_flags (net/core/dev.c:9820)
[   11.350573][  T250]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.350709][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.350840][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.351026][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.351188][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.351316][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.351445][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.351577][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.351714][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.351844][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.352027][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.352157][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.352287][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.352415][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.352548][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.352683][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.352810][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.352998][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.353127][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.353255][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.353385][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.353520][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.353652][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.353789][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.353984][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.354113][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.354241][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.354368][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.354498][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.354629][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.354763][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.354960][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.355089][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.355217][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.355345][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.355474][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.355607][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.355744][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.355958][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.356087][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.356216][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.356345][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.356477][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.356609][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.356746][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.356961][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.357092][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.357222][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.357351][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.357480][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.357614][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.357747][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.357950][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.358112][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.358242][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.358370][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.358499][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.358633][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.358795][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.359012][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.359142][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.359270][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.359433][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.359567][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.359701][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.359829][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.360060][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.360191][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.360353][  T250] RIP: 0033:0x7f8640ff608e
[   11.360490][  T250] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.360962][  T250] RSP: 002b:00007fff139e41c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.361158][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8640ff608e
[   11.361353][  T250] RDX: 0000000000000000 RSI: 00007fff139e4270 RDI: 0000000000000005
[   11.361547][  T250] RBP: 00007fff139e41d0 R08: 0000000000000000 R09: 0000000000000000
[   11.361745][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf7
[   11.361942][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff139e4940
| [   11.510791][  T255] ------------[ cut here ]------------
| [   11.510984][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/255
| [   11.511252][  T255] Modules linked in:
| [   11.511717][  T255] Tainted: [W]=WARN
[   11.511861][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.512619][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.512939][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.513518][  T255] RSP: 0018:ffa0000000c57060 EFLAGS: 00010286
[   11.513819][  T255] RAX: 00000000ffffffa6 RBX: ff1100000922b8c0 RCX: 1ff400000018add2
[   11.514118][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922b97c
[   11.514413][  T255] RBP: ff1100000fdd1000 R08: 1fe2200001245731 R09: ff110000106f5158
[   11.514713][  T255] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   11.515018][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   11.515316][  T255] FS:  00007f1ca05fa840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   11.515590][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.515805][  T255] CR2: 00000000391ec988 CR3: 000000000fe0e006 CR4: 0000000000771ef0
[   11.516057][  T255] PKRU: 55555554
[   11.516197][  T255] Call Trace:
[   11.516337][  T255]  <TASK>
[   11.516450][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.516631][  T255]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.516819][  T255]  notifier_call_chain (kernel/notifier.c:85)
[   11.517010][  T255]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   11.517185][  T255]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   11.517358][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.517536][  T255]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.517723][  T255]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   11.517915][  T255]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   11.518093][  T255]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.518269][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.518475][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.518653][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.518838][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.519025][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.519200][  T255]  ? __kernel_text_address (kernel/extable.c:79)
[   11.519379][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.519562][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.519748][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.519937][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.520110][  T255]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.520282][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.520455][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.520640][  T255]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.520828][  T255]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.521013][  T255]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.521188][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.521363][  T255]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.521538][  T255]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.521726][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.521919][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.522098][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.522272][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.522447][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.522626][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.522809][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.523001][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.523173][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.523347][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523528][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.523711][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523902][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.524079][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.524251][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.524424][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.524609][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.524792][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.524984][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.525158][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.525334][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.525515][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.525697][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.525887][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.526063][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.526239][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.526414][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.526596][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.526782][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.526971][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.527145][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.527318][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.527523][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.527711][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.527903][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.528082][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.528254][  T255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.528460][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.528662][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.528839][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.529029][  T255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.529238][  T255]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.529413][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.529594][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.529776][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.529963][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.530137][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.530345][  T255] RIP: 0033:0x7f1ca083408e
[   11.530529][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.531045][  T255] RSP: 002b:00007fffc3759830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.531284][  T255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1ca083408e
[   11.531525][  T255] RDX: 0000000000000000 RSI: 00007fffc37598e0 RDI: 0000000000000005
[   11.531767][  T255] RBP: 00007fffc3759840 R08: 0000000000000000 R09: 0000000000000000
[   11.532013][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcf7
[   11.532248][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc3759fb0
| [   13.220959][   T12] ------------[ cut here ]------------
| [   13.221149][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.221389][   T12] Modules linked in:
| [   13.221855][   T12] Tainted: [W]=WARN
[   13.222005][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.222153][   T12] Workqueue: netns cleanup_net
[   13.222284][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.222445][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.222890][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.223038][   T12] RAX: 00000000ffffffa6 RBX: ff11000010a8f380 RCX: 1ff4000000018eed
[   13.223211][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a8f43c
[   13.223384][   T12] RBP: ff1100000fe51000 R08: 1fe2200002151e89 R09: ff11000001aed1d0
[   13.223562][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.223790][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.223972][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.224174][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.224326][   T12] CR2: 00007ff155ec5574 CR3: 000000000f376005 CR4: 0000000000771ef0
[   13.224503][   T12] PKRU: 55555554
[   13.224603][   T12] Call Trace:
[   13.224698][   T12]  <TASK>
[   13.224760][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.224913][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.225057][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.225177][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.225373][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.225488][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.225609][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.225732][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.225928][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.226047][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.226161][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.226279][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.226466][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.226587][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.226712][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.226830][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.227001][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.227120][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.227251][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.227366][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.227486][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.227608][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.227731][   T12]  kthread (kernel/kthread.c:436)
[   13.227916][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.228067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.228185][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.228304][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.228520][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.228638][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.228757][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.232767][   T12] ------------[ cut here ]------------
| [   13.232989][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.233235][   T12] Modules linked in:
| [   13.233605][   T12] Tainted: [W]=WARN
[   13.233701][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.233844][   T12] Workqueue: netns cleanup_net
[   13.233975][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.234127][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.234545][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.234707][   T12] RAX: 00000000ffffffa6 RBX: ff11000010a8fa80 RCX: 1ff4000000018eed
[   13.234884][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a8fb3c
[   13.235055][   T12] RBP: ff1100000fe19000 R08: 1fe2200002151f69 R09: ff11000001aed1d0
[   13.235228][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.235400][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.235577][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.235788][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.235938][   T12] CR2: 00007ff155ec5574 CR3: 000000000f376005 CR4: 0000000000771ef0
[   13.236116][   T12] PKRU: 55555554
[   13.236204][   T12] Call Trace:
[   13.236291][   T12]  <TASK>
[   13.236353][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.236510][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.236656][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.236781][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.236908][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.237028][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.237144][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.237261][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.237379][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.237495][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.237614][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.237738][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.237861][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.237984][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.238099][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.238216][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.238332][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.238529][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.238654][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.238775][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.238903][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.239093][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.239213][   T12]  kthread (kernel/kthread.c:436)
[   13.239300][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.239443][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.239635][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.239757][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.239914][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.240030][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.240216][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.243937][   T12] ------------[ cut here ]------------
| [   13.244067][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.244300][   T12] Modules linked in:
| [   13.244674][   T12] Tainted: [W]=WARN
[   13.244764][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.244919][   T12] Workqueue: netns cleanup_net
[   13.245043][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.245194][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.245616][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.245772][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16ae40 RCX: 1ff4000000018eed
[   13.245957][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16aefc
[   13.246132][   T12] RBP: ff11000009d11000 R08: 1fe220000142d5e1 R09: ff11000001aed1d0
[   13.246306][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.246483][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.246666][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.246880][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.247027][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.247207][   T12] PKRU: 55555554
[   13.247294][   T12] Call Trace:
[   13.247381][   T12]  <TASK>
[   13.247442][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.247595][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.247747][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.247864][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.247988][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.248109][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.248226][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.248345][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.248463][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.248584][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.248711][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.248829][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.249001][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.249124][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.249240][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.249357][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.249472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.249593][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.249719][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.249838][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.250005][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.250125][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.250286][   T12]  kthread (kernel/kthread.c:436)
[   13.250374][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.250519][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.250638][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.250759][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.250953][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.251069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.251186][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.253453][   T12] ------------[ cut here ]------------
| [   13.253574][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.253808][   T12] Modules linked in:
| [   13.254209][   T12] Tainted: [W]=WARN
[   13.254296][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.254441][   T12] Workqueue: netns cleanup_net
[   13.254569][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.254731][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.255157][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.255307][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16b1c0 RCX: 1ff4000000018eed
[   13.255481][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b27c
[   13.255659][   T12] RBP: ff110000086b1000 R08: 1fe220000142d651 R09: ff11000001aed1d0
[   13.255843][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.256021][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.256198][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.256405][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.256562][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.256747][   T12] PKRU: 55555554
[   13.256835][   T12] Call Trace:
[   13.256927][   T12]  <TASK>
[   13.256989][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.257139][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.257284][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.257402][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.257520][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.257638][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.257760][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.257891][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.258009][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.258126][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.258243][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.258360][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.258479][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.258601][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.258724][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.258843][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.258963][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.259082][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.259203][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.259324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.259446][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.259571][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.259694][   T12]  kthread (kernel/kthread.c:436)
[   13.259782][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.259932][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.260048][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.260166][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.260312][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.260430][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.260550][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.262633][   T12] ------------[ cut here ]------------
| [   13.262755][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.263425][   T12] Modules linked in:
| [   13.263790][   T12] Tainted: [W]=WARN
[   13.263929][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.264077][   T12] Workqueue: netns cleanup_net
[   13.264200][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.264357][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.264785][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.264982][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16b700 RCX: 1ff4000000018eed
[   13.265161][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b7bc
[   13.265339][   T12] RBP: ff11000007921000 R08: 1fe220000142d6f9 R09: ff11000001aed1d0
[   13.265517][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.265704][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.265926][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.266139][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.266287][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.266544][   T12] PKRU: 55555554
[   13.266633][   T12] Call Trace:
[   13.266726][   T12]  <TASK>
[   13.266788][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.266985][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.267203][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.267321][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.267440][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.267564][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.267689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.267810][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.267975][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.268093][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.268218][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.268337][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.268457][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.268577][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.268701][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.268821][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.268985][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.269104][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.269299][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.269421][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.269547][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.269674][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.269792][   T12]  kthread (kernel/kthread.c:436)
[   13.269927][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.270072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.270190][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.270383][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.270532][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.270652][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.270776][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.286192][   T12] ------------[ cut here ]------------
| [   13.286329][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.286576][   T12] Modules linked in:
| [   13.287013][   T12] Tainted: [W]=WARN
[   13.287105][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.287265][   T12] Workqueue: netns cleanup_net
[   13.287394][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.287558][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.288003][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.288157][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b7380 RCX: 1ff4000000018eaf
[   13.288341][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b743c
[   13.288528][   T12] RBP: ff110000102b1000 R08: 1fe2200001e36e89 R09: ff11000001aed1d0
[   13.288715][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   13.288905][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005a24000
[   13.289090][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.289305][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.289458][   T12] CR2: 00007fdad96b4574 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   13.289645][   T12] PKRU: 55555554
[   13.289743][   T12] Call Trace:
[   13.289834][   T12]  <TASK>
[   13.289985][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.290110][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.290205][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.290328][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.290450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.290575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.290704][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.290828][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.291042][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.291196][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.291320][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.291471][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.291598][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.291726][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.291932][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.292115][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.292238][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.292362][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.292487][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.292613][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.292741][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.292862][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.293052][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.293174][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.293300][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.293423][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.293548][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.293674][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.293796][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.293983][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.294108][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.294229][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.294358][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.294484][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.294609][   T12]  kthread (kernel/kthread.c:436)
[   13.294705][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.294872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.294995][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.295117][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.295270][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.295392][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.295517][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.298446][   T12] ------------[ cut here ]------------
| [   13.298581][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.298826][   T12] Modules linked in:
| [   13.299206][   T12] Tainted: [W]=WARN
[   13.299304][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.299466][   T12] Workqueue: netns cleanup_net
[   13.299596][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.299762][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.300205][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.300358][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc26040 RCX: 1ff4000000018eaf
[   13.300543][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc260fc
[   13.300734][   T12] RBP: ff11000005a24000 R08: 1fe2200001b84c21 R09: ff11000001aed1d0
[   13.300927][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.301110][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009d2c000
[   13.301293][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.301509][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.301669][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.301855][   T12] PKRU: 55555554
[   13.301952][   T12] Call Trace:
[   13.302043][   T12]  <TASK>
[   13.302106][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.302229][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.302357][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.302450][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.302577][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.302706][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.302828][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.302956][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.303078][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.303231][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.303384][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.303509][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.303669][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.303793][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.303921][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.304074][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.304198][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.304321][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.304443][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.304570][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.304699][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.304823][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.304950][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.305070][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.305192][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.305316][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.305439][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.305564][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.305693][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.305815][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.305941][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.306067][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.306188][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.306315][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.306450][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.306580][   T12]  kthread (kernel/kthread.c:436)
[   13.306678][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.306834][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.306962][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.307086][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.307238][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.307359][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.307485][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.310184][   T12] ------------[ cut here ]------------
| [   13.310308][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.310547][   T12] Modules linked in:
| [   13.310924][   T12] Tainted: [W]=WARN
[   13.311016][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.311167][   T12] Workqueue: netns cleanup_net
[   13.311294][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.311452][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.311896][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.312049][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc258c0 RCX: 1ff4000000018eaf
[   13.312231][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2597c
[   13.312411][   T12] RBP: ff11000009d2c000 R08: 1fe2200001b84b31 R09: ff11000001aed1d0
[   13.312594][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.312782][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   13.312970][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.313262][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.313415][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.313601][   T12] PKRU: 55555554
[   13.313776][   T12] Call Trace:
[   13.313872][   T12]  <TASK>
[   13.313936][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.314057][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.314179][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.314352][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.314473][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.314597][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.314724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.314933][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.315055][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.315207][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.315438][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.315564][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.315720][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.315841][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.316045][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.316197][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.316322][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.316446][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.316651][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.316778][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.316906][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.317028][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.317228][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.317349][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.317471][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.317597][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.317807][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.317932][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.318054][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.318176][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.318377][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.318502][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.318626][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.318758][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.318966][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.319088][   T12]  kthread (kernel/kthread.c:436)
[   13.319178][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.319330][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.319535][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.319656][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.319811][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.320010][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.320133][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.322728][   T12] ------------[ cut here ]------------
| [   13.322846][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.323153][   T12] Modules linked in:
| [   13.323593][   T12] Tainted: [W]=WARN
[   13.323686][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.323832][   T12] Workqueue: netns cleanup_net
[   13.323959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.324113][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.324530][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.324681][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b62d000 RCX: 1ff4000000018ed5
[   13.324855][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b62d0bc
[   13.325033][   T12] RBP: ff110000102b1000 R08: 1fe22000016c5a19 R09: ff11000001aed1d0
[   13.325205][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.325379][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.325558][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.325768][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.325918][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.326092][   T12] PKRU: 55555554
[   13.326179][   T12] Call Trace:
[   13.326265][   T12]  <TASK>
[   13.326326][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.326476][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.326625][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.326749][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.326870][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.327025][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.327144][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.327261][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.327383][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.327501][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.327623][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.327747][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.327864][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.327986][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.328104][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.328221][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.328338][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.328456][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.328574][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.328698][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.328820][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.328941][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.329061][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.329184][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.329300][   T12]  kthread (kernel/kthread.c:436)
[   13.329388][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.329541][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.329658][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.329782][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.329932][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.330050][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.330167][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.332591][   T12] ------------[ cut here ]------------
| [   13.332722][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.332960][   T12] Modules linked in:
| [   13.333317][   T12] Tainted: [W]=WARN
[   13.333410][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.333562][   T12] Workqueue: netns cleanup_net
[   13.333691][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.333845][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.334270][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.334421][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b62dc40 RCX: 1ff4000000018ed5
[   13.334603][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b62dcfc
[   13.334791][   T12] RBP: ff11000005a24000 R08: 1fe22000016c5ba1 R09: ff11000001aed1d0
[   13.335116][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.335293][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.335549][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.335762][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.335916][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.336095][   T12] PKRU: 55555554
[   13.336184][   T12] Call Trace:
[   13.336271][   T12]  <TASK>
[   13.336333][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.336481][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.336636][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.336764][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.336885][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.337035][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.337156][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.337349][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.337467][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.337592][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.337790][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.337913][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.338031][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.338150][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.338271][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.338390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.338515][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.338636][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.338762][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.338891][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.339013][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.339205][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.339336][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.339458][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.339585][   T12]  kthread (kernel/kthread.c:436)
[   13.339679][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.339828][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.339952][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.340071][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.340219][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.340337][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.340458][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.343821][   T12] ------------[ cut here ]------------
| [   13.343947][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.344322][   T12] Modules linked in:
| [   13.344694][   T12] Tainted: [W]=WARN
[   13.344859][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.345013][   T12] Workqueue: netns cleanup_net
[   13.345136][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.345320][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.345756][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.345908][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c282e40 RCX: 1ff4000000018ed5
[   13.346083][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c282efc
[   13.346261][   T12] RBP: ff11000009d2c000 R08: 1fe22000018505e1 R09: ff11000001aed1d0
[   13.346436][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.346620][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.346802][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.347014][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.347163][   T12] CR2: 00007f24f324a574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   13.347341][   T12] PKRU: 55555554
[   13.347431][   T12] Call Trace:
[   13.347519][   T12]  <TASK>
[   13.347581][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.347737][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.347889][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.348006][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.348123][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.348350][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.348470][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.348592][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.348717][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.348837][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.349035][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.349154][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.349420][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.349543][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.349667][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.349788][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.349908][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.350028][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.350220][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.350341][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.350462][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.350588][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.350790][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.350916][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.351034][   T12]  kthread (kernel/kthread.c:436)
[   13.351196][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.351345][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.351465][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.351588][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.351903][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.352167][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.352286][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.420133][   T12] ------------[ cut here ]------------
| [   13.420266][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.420501][   T12] Modules linked in:
| [   13.420880][   T12] Tainted: [W]=WARN
[   13.420973][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.421121][   T12] Workqueue: netns cleanup_net
[   13.421240][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.421392][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.421824][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.421978][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c283e00 RCX: 1ff4000000018eed
[   13.422152][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c283ebc
[   13.422327][   T12] RBP: ff110000100bc000 R08: 1fe22000018507d9 R09: ff11000001aed1d0
[   13.422504][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.422687][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.422872][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.423077][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.423229][   T12] CR2: 00007f89c8cce000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.423403][   T12] PKRU: 55555554
[   13.423490][   T12] Call Trace:
[   13.423579][   T12]  <TASK>
[   13.423641][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.423796][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.423945][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.424062][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.424181][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.424302][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.424424][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.424545][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.424669][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.424790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.424916][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.425036][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.425154][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.425273][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.425388][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.425508][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.425626][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.425752][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.425879][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.425997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.426119][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.426245][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.426361][   T12]  kthread (kernel/kthread.c:436)
[   13.426449][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.426598][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.426720][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.426837][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.426993][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.427112][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.427232][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.429382][   T12] ------------[ cut here ]------------
| [   13.429498][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.429736][   T12] Modules linked in:
| [   13.430375][   T12] Tainted: [W]=WARN
[   13.430464][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.430617][   T12] Workqueue: netns cleanup_net
[   13.430744][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.430900][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.431313][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.431458][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc25000 RCX: 1ff4000000018eed
[   13.431633][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc250bc
[   13.431810][   T12] RBP: ff11000010251000 R08: 1fe2200001b84a19 R09: ff11000001aed1d0
[   13.431988][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.432161][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.432340][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.432545][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.432701][   T12] CR2: 00007f89c8cce000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.432880][   T12] PKRU: 55555554
[   13.432966][   T12] Call Trace:
[   13.433052][   T12]  <TASK>
[   13.433113][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.433261][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.433407][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.433528][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.433647][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.433767][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.433888][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.434006][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.434124][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.434241][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.434357][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.434474][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.434596][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.434718][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.434833][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.434957][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.435071][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.435190][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.435311][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.435427][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.435551][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.435677][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.435794][   T12]  kthread (kernel/kthread.c:436)
[   13.435892][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.436036][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.436153][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.436271][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.436416][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.436535][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.436654][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.438789][   T12] ------------[ cut here ]------------
| [   13.438912][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.439139][   T12] Modules linked in:
| [   13.439499][   T12] Tainted: [W]=WARN
[   13.439591][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.439742][   T12] Workqueue: netns cleanup_net
[   13.440345][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.440496][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.440969][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.441115][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b6e40 RCX: 1ff4000000018eed
[   13.441294][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b6efc
[   13.441469][   T12] RBP: ff110000101c4000 R08: 1fe2200001e36de1 R09: ff11000001aed1d0
[   13.441652][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.441831][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.442054][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.442257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.442403][   T12] CR2: 00007f89c8cce000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.442589][   T12] PKRU: 55555554
[   13.442686][   T12] Call Trace:
[   13.442774][   T12]  <TASK>
[   13.442839][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.443035][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.443181][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.443303][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.443421][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.443544][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.443673][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.443793][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.443955][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.444072][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.444189][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.444306][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.444425][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.444547][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.444669][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.444787][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.444948][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.445071][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.445198][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.445317][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.445444][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.445571][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.445695][   T12]  kthread (kernel/kthread.c:436)
[   13.445784][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.445976][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.446094][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.446211][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.446359][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.446474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.446596][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.449807][   T12] ------------[ cut here ]------------
| [   13.449954][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.450184][   T12] Modules linked in:
| [   13.450549][   T12] Tainted: [W]=WARN
[   13.450637][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.450787][   T12] Workqueue: netns cleanup_net
[   13.450913][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.451073][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.451489][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.451644][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b4200 RCX: 1ff4000000018eed
[   13.451824][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b42bc
[   13.452009][   T12] RBP: ff11000009774000 R08: 1fe2200001e36859 R09: ff11000001aed1d0
[   13.452189][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.452360][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.452538][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.452745][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.452898][   T12] CR2: 00007fffc4af5d28 CR3: 0000000009c29005 CR4: 0000000000771ef0
[   13.453075][   T12] PKRU: 55555554
[   13.453163][   T12] Call Trace:
[   13.453256][   T12]  <TASK>
[   13.453317][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.453465][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.453611][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.453732][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.453851][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.453973][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.454089][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.454208][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.454326][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.454442][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.454562][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.454689][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.454808][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.454932][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.455047][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.455165][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.455286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.455405][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.455533][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.455651][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.455778][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.455905][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.456022][   T12]  kthread (kernel/kthread.c:436)
[   13.456110][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.456255][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.456372][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.456488][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.456638][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.456760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.456880][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.459050][   T12] ------------[ cut here ]------------
| [   13.459252][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.459501][   T12] Modules linked in:
| [   13.459932][   T12] Tainted: [W]=WARN
[   13.460027][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.460176][   T12] Workqueue: netns cleanup_net
[   13.460298][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.460448][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.460921][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.461115][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b4900 RCX: 1ff4000000018eed
[   13.461289][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b49bc
[   13.461462][   T12] RBP: ff110000050f9000 R08: 1fe2200001e36939 R09: ff11000001aed1d0
[   13.461638][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.461816][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.462039][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.462240][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.462384][   T12] CR2: 00007fffc4af5d28 CR3: 0000000009c29005 CR4: 0000000000771ef0
[   13.462563][   T12] PKRU: 55555554
[   13.462650][   T12] Call Trace:
[   13.462743][   T12]  <TASK>
[   13.462804][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.463000][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.463144][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.463260][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.463378][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.463495][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.463615][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.463739][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.463857][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.463992][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.464112][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.464229][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.464349][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.464467][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.464586][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.464707][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.464824][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.464948][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.465074][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.465190][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.465312][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.465431][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.465547][   T12]  kthread (kernel/kthread.c:436)
[   13.465635][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.465786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.465907][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.466029][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.466177][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.466293][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.466411][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.485011][   T12] ------------[ cut here ]------------
| [   13.485152][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.485396][   T12] Modules linked in:
| [   13.485782][   T12] Tainted: [W]=WARN
[   13.486085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.486241][   T12] Workqueue: netns cleanup_net
[   13.486369][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.486539][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.486990][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.487144][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27380 RCX: 1ff4000000018eaf
[   13.487328][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2743c
[   13.487515][   T12] RBP: ff1100001061c000 R08: 1fe2200001b84e89 R09: ff11000001aed1d0
[   13.487704][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   13.487894][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdd1000
[   13.488082][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.488297][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.488452][   T12] CR2: 000055dfdb5deae8 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.488639][   T12] PKRU: 55555554
[   13.488736][   T12] Call Trace:
[   13.488829][   T12]  <TASK>
[   13.488899][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.489025][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.489119][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.489241][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.489361][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.489484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.489608][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.489736][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.489896][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.490050][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.490177][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.490333][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.490456][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.490579][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.490736][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.490860][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.490990][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.491114][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.491236][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.491360][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.491484][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.491609][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.491734][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.491856][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.491985][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.492108][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.492230][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.492351][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.492471][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.492599][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.492730][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.492852][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.492984][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.493111][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.493232][   T12]  kthread (kernel/kthread.c:436)
[   13.493324][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.493478][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.493603][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.493729][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.493888][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.494011][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.494133][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.497784][   T12] ------------[ cut here ]------------
| [   13.497975][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.498233][   T12] Modules linked in:
| [   13.498614][   T12] Tainted: [W]=WARN
[   13.498713][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.498878][   T12] Workqueue: netns cleanup_net
[   13.499005][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.499163][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.499602][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.499768][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16be00 RCX: 1ff4000000018eaf
[   13.499955][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bebc
[   13.500137][   T12] RBP: ff1100000fdd1000 R08: 1fe220000142d7d9 R09: ff11000001aed1d0
[   13.500318][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   13.500499][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd4000
[   13.500702][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.500922][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.501075][   T12] CR2: 000055dfdb5deae8 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.501258][   T12] PKRU: 55555554
[   13.501349][   T12] Call Trace:
[   13.501439][   T12]  <TASK>
[   13.501503][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.501629][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.501766][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.501859][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.501987][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.502108][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.502229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.502350][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.502472][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.502632][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.502791][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.502919][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.503071][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.503192][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.503314][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.503466][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.503596][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.503726][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.503850][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.504031][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.504203][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.504326][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.504447][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.504573][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.504699][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.504822][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.505007][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.505128][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.505251][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.505372][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.505495][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.505625][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.505754][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.505934][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.506061][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.506182][   T12]  kthread (kernel/kthread.c:436)
[   13.506278][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.506429][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.506553][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.506679][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.506832][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.507030][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.507152][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.516239][   T12] ------------[ cut here ]------------
| [   13.516373][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.516629][   T12] Modules linked in:
| [   13.517024][   T12] Tainted: [W]=WARN
[   13.517118][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.517272][   T12] Workqueue: netns cleanup_net
[   13.517400][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.517563][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.518016][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.518174][   T12] RAX: 00000000ffffffa6 RBX: ff11000009563700 RCX: 1ff4000000018eaf
[   13.518358][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095637bc
[   13.518552][   T12] RBP: ff11000001dd4000 R08: 1fe22000012ac6f9 R09: ff11000001aed1d0
[   13.518753][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.518952][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   13.519139][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.519357][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.519515][   T12] CR2: 00007ff6f00ed7a0 CR3: 0000000009ba6006 CR4: 0000000000771ef0
[   13.519706][   T12] PKRU: 55555554
[   13.519800][   T12] Call Trace:
[   13.519898][   T12]  <TASK>
[   13.519963][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.520088][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.520213][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.520307][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.520431][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.520558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.520686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.520809][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.521434][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.521603][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.521767][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.521902][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.522058][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.522180][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.522304][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.522459][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.522587][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.522721][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.522844][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.522971][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.523095][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.523219][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.523342][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.523464][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.523592][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.523724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.523849][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.523985][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.524110][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.524237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.524361][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.524487][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.524615][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.524749][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.524882][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.525006][   T12]  kthread (kernel/kthread.c:436)
[   13.525101][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.525255][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.525377][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.525502][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.525659][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.525788][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.525914][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.528062][   T12] ------------[ cut here ]------------
| [   13.528182][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.528412][   T12] Modules linked in:
| [   13.528779][   T12] Tainted: [W]=WARN
[   13.528876][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.529029][   T12] Workqueue: netns cleanup_net
[   13.529152][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.529305][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.529734][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.529889][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b963540 RCX: 1ff4000000018ed5
[   13.530065][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9635fc
[   13.530241][   T12] RBP: ff1100001061c000 R08: 1fe220000172c6c1 R09: ff11000001aed1d0
[   13.530417][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.530597][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.530784][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.530995][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.531145][   T12] CR2: 00007ff6f00ed7a0 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.531331][   T12] PKRU: 55555554
[   13.531418][   T12] Call Trace:
[   13.531509][   T12]  <TASK>
[   13.531572][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.531730][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.531883][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.532001][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.532120][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.532271][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.532391][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.532512][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.532631][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.532756][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.532881][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.533001][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.533122][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.533241][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.533360][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.533478][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.533599][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.533723][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.533840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.533967][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.534089][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.534206][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.534329][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.534450][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.534572][   T12]  kthread (kernel/kthread.c:436)
[   13.534671][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.534820][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.534944][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.535062][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.535210][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.535328][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.535447][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.537789][   T12] ------------[ cut here ]------------
| [   13.538392][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.538629][   T12] Modules linked in:
| [   13.539040][   T12] Tainted: [W]=WARN
[   13.539131][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.539279][   T12] Workqueue: netns cleanup_net
[   13.539403][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.539560][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.540041][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.540190][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962e40 RCX: 1ff4000000018ed5
[   13.540366][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962efc
[   13.540592][   T12] RBP: ff1100000fdd1000 R08: 1fe220000172c5e1 R09: ff11000001aed1d0
[   13.540775][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.541004][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.541182][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.541390][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.541547][   T12] CR2: 00007ff6f00ed7a0 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.541730][   T12] PKRU: 55555554
[   13.541821][   T12] Call Trace:
[   13.541954][   T12]  <TASK>
[   13.542016][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.542171][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.542316][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.542434][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.542557][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.542712][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.542832][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.543002][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.543121][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.543241][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.543361][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.543479][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.543602][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.543724][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.543843][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.544008][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.544126][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.544245][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.544363][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.544484][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.544608][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.544732][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.544855][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.545031][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.545148][   T12]  kthread (kernel/kthread.c:436)
[   13.545240][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.545387][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.545506][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.545627][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.545785][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.545970][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.546089][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.549891][   T12] ------------[ cut here ]------------
| [   13.550025][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.550260][   T12] Modules linked in:
| [   13.550628][   T12] Tainted: [W]=WARN
[   13.550725][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.550883][   T12] Workqueue: netns cleanup_net
[   13.551011][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.551163][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.551589][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.551744][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31be00 RCX: 1ff4000000018ed5
[   13.551928][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bebc
[   13.552103][   T12] RBP: ff11000001dd4000 R08: 1fe2200001a637d9 R09: ff11000001aed1d0
[   13.552279][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.552455][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.552634][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.552857][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.553060][   T12] CR2: 00007ff6efdeb574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.553284][   T12] PKRU: 55555554
[   13.553372][   T12] Call Trace:
[   13.553459][   T12]  <TASK>
[   13.553523][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.553680][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.553827][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.553994][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.554113][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.554267][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.554387][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.554508][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.554628][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.554758][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.554922][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.555040][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.555159][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.555282][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.555403][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.555523][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.555640][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.555770][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.555935][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.556058][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.556181][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.556299][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.556422][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.556548][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.556672][   T12]  kthread (kernel/kthread.c:436)
[   13.556763][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.556962][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.557080][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.557199][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.557351][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.557470][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.557593][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.598246][   T12] ------------[ cut here ]------------
| [   13.598382][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.598621][   T12] Modules linked in:
| [   13.598997][   T12] Tainted: [W]=WARN
[   13.599086][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.599278][   T12] Workqueue: netns cleanup_net
[   13.599419][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.599580][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.600013][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.600161][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8de3c0 RCX: 1ff4000000018eed
[   13.600338][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8de47c
[   13.600515][   T12] RBP: ff1100000ffc4000 R08: 1fe220000171bc91 R09: ff11000001aed1d0
[   13.600698][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.600879][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.601055][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.601260][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.601407][   T12] CR2: 00007ff6efdeb574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.601584][   T12] PKRU: 55555554
[   13.601676][   T12] Call Trace:
[   13.601767][   T12]  <TASK>
[   13.601831][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.601987][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.602133][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.602255][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.602372][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.602489][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.602608][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.602732][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.602850][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.602971][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.603090][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.603207][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.603323][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.603441][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.603563][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.603689][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.603810][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.603987][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.604109][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.604229][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.604345][   T12]  kthread (kernel/kthread.c:436)
[   13.604434][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.604584][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.604706][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.604821][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.605015][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.605177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.605293][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.608188][   T12] ------------[ cut here ]------------
| [   13.608392][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.608648][   T12] Modules linked in:
| [   13.609076][   T12] Tainted: [W]=WARN
[   13.609165][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.609310][   T12] Workqueue: netns cleanup_net
[   13.609431][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.609589][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.610059][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.610253][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8dfc40 RCX: 1ff4000000018eed
[   13.610429][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8dfcfc
[   13.610603][   T12] RBP: ff11000009761000 R08: 1fe220000171bfa1 R09: ff11000001aed1d0
[   13.610781][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.611001][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.611179][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.611382][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.611531][   T12] CR2: 00007ff6efdeb574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.611711][   T12] PKRU: 55555554
[   13.611798][   T12] Call Trace:
[   13.611934][   T12]  <TASK>
[   13.611997][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.612147][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.612291][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.612409][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.612531][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.612646][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.612770][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.612935][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.613054][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.613169][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.613288][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.613404][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.613520][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.613637][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.613761][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.613922][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.614045][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.614161][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.614281][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.614402][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.614520][   T12]  kthread (kernel/kthread.c:436)
[   13.614607][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.614757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.614929][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.615046][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.615191][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.615307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.615423][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.617751][   T12] ------------[ cut here ]------------
| [   13.617890][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.618122][   T12] Modules linked in:
| [   13.618479][   T12] Tainted: [W]=WARN
[   13.618571][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.618729][   T12] Workqueue: netns cleanup_net
[   13.618851][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.619012][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.619481][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.619648][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8df380 RCX: 1ff4000000018eed
[   13.619829][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8df43c
[   13.620104][   T12] RBP: ff11000007fa9000 R08: 1fe220000171be89 R09: ff11000001aed1d0
[   13.620279][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.620450][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.620628][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.620836][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.621047][   T12] CR2: 00007ff6efdeb574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.621297][   T12] PKRU: 55555554
[   13.621387][   T12] Call Trace:
[   13.621472][   T12]  <TASK>
[   13.621536][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.621691][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.621834][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.622000][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.622117][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.622233][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.622355][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.622471][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.622594][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.622713][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.622839][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.623001][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.623115][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.623232][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.623346][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.623463][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.623586][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.623706][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.623827][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.623994][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.624109][   T12]  kthread (kernel/kthread.c:436)
[   13.624196][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.624339][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.624456][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.624574][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.624725][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.624840][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.625002][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.627969][   T12] ------------[ cut here ]------------
| [   13.628097][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.628324][   T12] Modules linked in:
| [   13.628686][   T12] Tainted: [W]=WARN
[   13.628782][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.629019][   T12] Workqueue: netns cleanup_net
[   13.629140][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.629290][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.629714][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.629967][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8df000 RCX: 1ff4000000018eed
[   13.630141][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8df0bc
[   13.630314][   T12] RBP: ff11000008341000 R08: 1fe220000171be19 R09: ff11000001aed1d0
[   13.630485][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.630659][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.630837][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.631133][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.631280][   T12] CR2: 00007ff6efdeb574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.631455][   T12] PKRU: 55555554
[   13.631544][   T12] Call Trace:
[   13.631634][   T12]  <TASK>
[   13.631702][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.631850][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.632078][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.632195][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.632312][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.632428][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.632545][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.632669][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.632792][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.632990][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.633108][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.633223][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.633338][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.633460][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.633577][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.633698][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.633817][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.634020][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.634139][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.634261][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.634377][   T12]  kthread (kernel/kthread.c:436)
[   13.634464][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.634615][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.634735][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.634851][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.635078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.635194][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.635311][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.643567][   T12] ------------[ cut here ]------------
| [   13.643705][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.643954][   T12] Modules linked in:
| [   13.644315][   T12] Tainted: [W]=WARN
[   13.644403][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.644549][   T12] Workqueue: netns cleanup_net
[   13.644674][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.644827][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.645249][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.645395][   T12] RAX: 00000000ffffffa6 RBX: ff11000005577e00 RCX: 1ff4000000018eed
[   13.645571][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005577ebc
[   13.645752][   T12] RBP: ff11000005744000 R08: 1fe2200000aaefd9 R09: ff11000001aed1d0
[   13.645934][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.646111][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.646287][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.646491][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.646642][   T12] CR2: 00007f1056412668 CR3: 0000000010590003 CR4: 0000000000771ef0
[   13.646823][   T12] PKRU: 55555554
[   13.646916][   T12] Call Trace:
[   13.647003][   T12]  <TASK>
[   13.647068][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.647218][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.647373][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.647490][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.647617][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.647740][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.647858][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.647982][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.648101][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.648216][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.648336][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.648453][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.648571][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.648695][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.648811][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.648934][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.649055][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.649172][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.649298][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.649420][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.649542][   T12]  kthread (kernel/kthread.c:436)
[   13.649630][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.649778][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.649987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.650105][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.650255][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.650372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.650490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.664174][   T12] ------------[ cut here ]------------
| [   13.664304][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.664547][   T12] Modules linked in:
| [   13.664934][   T12] Tainted: [W]=WARN
[   13.665027][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.665180][   T12] Workqueue: netns cleanup_net
[   13.665309][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.665468][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.665924][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.666079][   T12] RAX: 00000000ffffffa6 RBX: ff11000005577c40 RCX: 1ff4000000018eaf
[   13.666260][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005577cfc
[   13.666442][   T12] RBP: ff1100000fd99000 R08: 1fe2200000aaefa1 R09: ff11000001aed1d0
[   13.666628][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.666816][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3d4000
[   13.667008][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.667223][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.667378][   T12] CR2: 00007f1056412668 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.667566][   T12] PKRU: 55555554
[   13.667658][   T12] Call Trace:
[   13.667754][   T12]  <TASK>
[   13.667817][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.667944][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.668038][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.668162][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.668287][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.668438][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.668564][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   13.668696][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.668852][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.669012][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   13.669137][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.669263][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.669388][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.669514][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.669636][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.669766][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.669895][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.670029][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.670161][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.670284][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.670407][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.670536][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.670658][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.670787][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.670918][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.671041][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.671170][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.671296][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.671418][   T12]  kthread (kernel/kthread.c:436)
[   13.671515][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.671673][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.671799][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.671928][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.672083][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.672205][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.672328][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.674365][   T12] ------------[ cut here ]------------
| [   13.674490][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.674738][   T12] Modules linked in:
| [   13.675589][   T12] Tainted: [W]=WARN
[   13.675688][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.675897][   T12] Workqueue: netns cleanup_net
[   13.676023][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.676181][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.676616][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.676776][   T12] RAX: 00000000ffffffa6 RBX: ff11000005577000 RCX: 1ff4000000018eaf
[   13.677008][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055770bc
[   13.677190][   T12] RBP: ff1100000a3d4000 R08: 1fe2200000aaee19 R09: ff11000001aed1d0
[   13.677371][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.677553][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe4000
[   13.677740][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.678002][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.678154][   T12] CR2: 00007f1056412668 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.678338][   T12] PKRU: 55555554
[   13.678430][   T12] Call Trace:
[   13.678522][   T12]  <TASK>
[   13.678586][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.678712][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.678835][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.678978][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.679103][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.679225][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.679376][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.679498][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   13.679625][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.679783][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.680026][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   13.680155][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.680279][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.680403][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.680530][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.680652][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.680781][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.680911][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.681034][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.681158][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.681279][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.681400][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.681524][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.681645][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.681774][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.681904][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.682027][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.682152][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.682277][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.682398][   T12]  kthread (kernel/kthread.c:436)
[   13.682490][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.682644][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.682775][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.682904][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.683069][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.683191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.683312][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.685093][   T12] ------------[ cut here ]------------
| [   13.685215][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.685464][   T12] Modules linked in:
| [   13.685850][   T12] Tainted: [W]=WARN
[   13.686405][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.686563][   T12] Workqueue: netns cleanup_net
[   13.686695][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.686912][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.687344][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   13.687496][   T12] RAX: 00000000ffffffa6 RBX: ff110000055771c0 RCX: 1ff4000000018eaf
[   13.687685][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000557727c
[   13.687914][   T12] RBP: ff1100000ffe4000 R08: 1fe2200000aaee51 R09: ff11000001aed1d0
[   13.688099][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   13.688279][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   13.688463][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.688685][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.688840][   T12] CR2: 00007f1056412668 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.689073][   T12] PKRU: 55555554
[   13.689165][   T12] Call Trace:
[   13.689255][   T12]  <TASK>
[   13.689319][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.689440][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.689566][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.689660][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.689790][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.689962][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.690115][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.690236][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   13.690358][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.690515][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.690673][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   13.690796][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.690970][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.691094][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.691216][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.691338][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.691460][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.691587][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.691716][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.691841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.692013][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.692140][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.692264][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.692385][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.692511][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.692638][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.692765][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.692945][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.693072][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.693193][   T12]  kthread (kernel/kthread.c:436)
[   13.693285][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.693437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.693565][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.693693][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.693845][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.694014][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.694136][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.696539][   T12] ------------[ cut here ]------------
| [   13.696674][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.696917][   T12] Modules linked in:
| [   13.697281][   T12] Tainted: [W]=WARN
[   13.697371][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.697520][   T12] Workqueue: netns cleanup_net
[   13.697643][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.697804][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.698233][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.698381][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04b540 RCX: 1ff4000000018ed5
[   13.698561][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b5fc
[   13.698744][   T12] RBP: ff1100000fd99000 R08: 1fe22000018096c1 R09: ff11000001aed1d0
[   13.698934][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.699109][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.699286][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.699491][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.699645][   T12] CR2: 00007f1056414000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.699828][   T12] PKRU: 55555554
[   13.699942][   T12] Call Trace:
[   13.700030][   T12]  <TASK>
[   13.700093][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.700245][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.700398][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   13.700519][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.700639][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.700765][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.700890][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.701010][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.701130][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.701254][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.701372][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.701493][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.701616][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.701740][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.701859][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.701983][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.702102][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.702233][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.702352][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.702475][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.702600][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.702724][   T12]  kthread (kernel/kthread.c:436)
[   13.702814][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.702966][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.703083][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.703203][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.703350][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.703467][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.703588][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.706046][   T12] ------------[ cut here ]------------
| [   13.706164][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.706394][   T12] Modules linked in:
| [   13.706779][   T12] Tainted: [W]=WARN
[   13.706875][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.707023][   T12] Workqueue: netns cleanup_net
[   13.707146][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.707299][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.707731][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.707883][   T12] RAX: 00000000ffffffa6 RBX: ff11000005761000 RCX: 1ff4000000018ed5
[   13.708065][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057610bc
[   13.708241][   T12] RBP: ff1100000a3d4000 R08: 1fe2200000aec219 R09: ff11000001aed1d0
[   13.708417][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.708605][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.708788][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.708996][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.709146][   T12] CR2: 00007f1056414000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.709323][   T12] PKRU: 55555554
[   13.709411][   T12] Call Trace:
[   13.709499][   T12]  <TASK>
[   13.709565][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.709726][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.709882][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   13.710002][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.710123][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.710243][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.710365][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.710484][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.710605][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.710731][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.710849][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.710977][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.711096][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.711212][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.711330][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.711446][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.711569][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.711696][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.711815][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.711946][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.712068][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.712184][   T12]  kthread (kernel/kthread.c:436)
[   13.712273][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.712418][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.712539][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.712659][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.712813][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.712936][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.713058][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.715568][   T12] ------------[ cut here ]------------
| [   13.715707][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.716028][   T12] Modules linked in:
| [   13.716469][   T12] Tainted: [W]=WARN
[   13.716562][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.716716][   T12] Workqueue: netns cleanup_net
[   13.716839][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.717076][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.717520][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.717674][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f2040 RCX: 1ff4000000018ed5
[   13.717852][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f20fc
[   13.718108][   T12] RBP: ff1100000ffe4000 R08: 1fe22000020be421 R09: ff11000001aed1d0
[   13.718285][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.718460][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.718640][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   13.718850][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.719045][   T12] CR2: 00007f1056414000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   13.719223][   T12] PKRU: 55555554
[   13.719310][   T12] Call Trace:
[   13.719396][   T12]  <TASK>
[   13.719459][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.719610][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.719762][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   13.719925][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.720046][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.720164][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.720281][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.720399][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.720520][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.720644][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   13.720765][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.720933][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.721052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.721169][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.721286][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.721403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.721527][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.721647][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.721769][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.721939][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.722061][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.722178][   T12]  kthread (kernel/kthread.c:436)
[   13.722266][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.722412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.722537][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.722656][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.722809][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.722974][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.723092][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.853463][  T297] ------------[ cut here ]------------
| [   13.853617][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.853858][  T297] Modules linked in:
| [   13.854231][  T297] Tainted: [W]=WARN
[   13.854329][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.854495][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.854677][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.855148][  T297] RSP: 0018:ffa0000000e67a80 EFLAGS: 00010286
[   13.855317][  T297] RAX: 00000000ffffffa6 RBX: ff110000105f3c40 RCX: 1ff40000001ccf16
[   13.855517][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f3cfc
[   13.855717][  T297] RBP: ff110000092a1000 R08: 1fe22000020be7a1 R09: ff11000006198b80
[   13.855915][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.856110][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092a1000
[   13.856306][  T297] FS:  00007f776bcee840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.856540][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.856710][  T297] CR2: 00007f776beefc20 CR3: 000000000e7ef006 CR4: 0000000000771ef0
[   13.856911][  T297] PKRU: 55555554
[   13.857009][  T297] Call Trace:
[   13.857107][  T297]  <TASK>
[   13.857175][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.857306][  T297]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.857439][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.857544][  T297]  register_netdevice (net/core/dev.c:11488)
[   13.857680][  T297]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.857844][  T297]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.858022][  T297]  register_netdev (net/core/dev.c:11552)
[   13.858153][  T297]  loopback_net_init (drivers/net/loopback.c:218)
[   13.858289][  T297]  ops_init (net/core/net_namespace.c:137)
[   13.858391][  T297]  setup_net (net/core/net_namespace.c:446)
[   13.858490][  T297]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.858623][  T297]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.858761][  T297]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.858899][  T297]  copy_net_ns (net/core/net_namespace.c:579)
[   13.859031][  T297]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.859166][  T297]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.859299][  T297]  ksys_unshare (kernel/fork.c:3243)
[   13.859431][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.859567][  T297]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.859705][  T297]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.859837][  T297]  ? __ia32_sys_open (fs/open.c:1374)
[   13.859974][  T297]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.860104][  T297]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.860234][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.860364][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.860497][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.860630][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.860799][  T297] RIP: 0033:0x7f776bfb0bcb
[   13.860944][  T297] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.861407][  T297] RSP: 002b:00007ffcad235928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.861609][  T297] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f776bfb0bcb
[   13.861807][  T297] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.862008][  T297] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.862202][  T297] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcad237b50
[   13.862398][  T297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad239847
| [   13.866556][  T297] ------------[ cut here ]------------
| [   13.866700][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.867047][  T297] Modules linked in:
| [   13.867409][  T297] Tainted: [W]=WARN
[   13.867507][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.867675][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.867845][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.868307][  T297] RSP: 0018:ffa0000000e67918 EFLAGS: 00010286
[   13.868470][  T297] RAX: 00000000ffffffa6 RBX: ff1100000b7d5c40 RCX: 1ff40000001ccee9
[   13.868673][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d5cfc
[   13.868871][  T297] RBP: ff11000009599000 R08: 1fe22000016faba1 R09: ff11000006198b80
[   13.869064][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.869256][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009599000
[   13.869452][  T297] FS:  00007f776bcee840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.869685][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.869846][  T297] CR2: 00007f776beefc20 CR3: 000000000e7ef006 CR4: 0000000000771ef0
[   13.870042][  T297] PKRU: 55555554
[   13.870139][  T297] Call Trace:
[   13.870235][  T297]  <TASK>
[   13.870302][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.870432][  T297]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.870564][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.870665][  T297]  register_netdevice (net/core/dev.c:11488)
[   13.870797][  T297]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.870964][  T297]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.871094][  T297]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.871223][  T297]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.871353][  T297]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.871482][  T297]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.871614][  T297]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.871750][  T297]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.871885][  T297]  ops_init (net/core/net_namespace.c:137)
[   13.871984][  T297]  setup_net (net/core/net_namespace.c:446)
[   13.872082][  T297]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.872211][  T297]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.872339][  T297]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.872470][  T297]  copy_net_ns (net/core/net_namespace.c:579)
[   13.872604][  T297]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.872739][  T297]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.872875][  T297]  ksys_unshare (kernel/fork.c:3243)
[   13.873005][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.873134][  T297]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.873263][  T297]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.873393][  T297]  ? __ia32_sys_open (fs/open.c:1374)
[   13.873524][  T297]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.873651][  T297]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.873787][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.873922][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.874050][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.874181][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.874340][  T297] RIP: 0033:0x7f776bfb0bcb
[   13.874474][  T297] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.874946][  T297] RSP: 002b:00007ffcad235928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.875141][  T297] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f776bfb0bcb
[   13.875334][  T297] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.875530][  T297] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.875729][  T297] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcad237b50
[   13.875929][  T297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad239847
| [   13.879688][  T297] ------------[ cut here ]------------
| [   13.879822][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.880055][  T297] Modules linked in:
| [   13.880418][  T297] Tainted: [W]=WARN
[   13.880520][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.880690][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.880861][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.881330][  T297] RSP: 0018:ffa0000000e678f8 EFLAGS: 00010286
[   13.881495][  T297] RAX: 00000000ffffffa6 RBX: ff1100000c04aac0 RCX: 1ff40000001ccee5
[   13.881700][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04ab7c
[   13.881900][  T297] RBP: ff1100000a394000 R08: 1fe2200001809571 R09: ff11000006198b80
[   13.882096][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.882291][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a394000
[   13.882488][  T297] FS:  00007f776bcee840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.882726][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.882895][  T297] CR2: 00007f776beefc20 CR3: 000000000e7ef006 CR4: 0000000000771ef0
[   13.883092][  T297] PKRU: 55555554
[   13.883190][  T297] Call Trace:
[   13.883287][  T297]  <TASK>
[   13.883354][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.883486][  T297]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.883619][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.883726][  T297]  register_netdevice (net/core/dev.c:11488)
[   13.883859][  T297]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.884028][  T297]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.884161][  T297]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.884294][  T297]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.884425][  T297]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.884560][  T297]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.884695][  T297]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.884829][  T297]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.884964][  T297]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.885098][  T297]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.885228][  T297]  ops_init (net/core/net_namespace.c:137)
[   13.885330][  T297]  setup_net (net/core/net_namespace.c:446)
[   13.885429][  T297]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.885562][  T297]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.885699][  T297]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.885833][  T297]  copy_net_ns (net/core/net_namespace.c:579)
[   13.885970][  T297]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.886104][  T297]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.886237][  T297]  ksys_unshare (kernel/fork.c:3243)
[   13.886368][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.886499][  T297]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.886634][  T297]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.886770][  T297]  ? __ia32_sys_open (fs/open.c:1374)
[   13.886907][  T297]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.887037][  T297]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.887169][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.887299][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.887430][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.887564][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.887731][  T297] RIP: 0033:0x7f776bfb0bcb
[   13.887873][  T297] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.888339][  T297] RSP: 002b:00007ffcad235928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.888540][  T297] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f776bfb0bcb
[   13.888739][  T297] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.888937][  T297] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.889132][  T297] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcad237b50
[   13.889329][  T297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad239847
| [   13.902060][  T297] ------------[ cut here ]------------
| [   13.902198][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.902419][  T297] Modules linked in:
| [   13.902789][  T297] Tainted: [W]=WARN
[   13.902895][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.903058][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.903226][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.903699][  T297] RSP: 0018:ffa0000000e67a78 EFLAGS: 00010286
[   13.903864][  T297] RAX: 00000000ffffffa6 RBX: ff11000005760200 RCX: 1ff40000001ccf15
[   13.904063][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057602bc
[   13.904257][  T297] RBP: ff1100000a8e4000 R08: 1fe2200000aec059 R09: ff11000006198b80
[   13.904449][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.904644][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8e4000
[   13.904845][  T297] FS:  00007f776bcee840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.905077][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.905240][  T297] CR2: 00007f776beefc20 CR3: 000000000e7ef006 CR4: 0000000000771ef0
[   13.905435][  T297] PKRU: 55555554
[   13.905535][  T297] Call Trace:
[   13.905631][  T297]  <TASK>
[   13.905704][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.905835][  T297]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.905970][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.906070][  T297]  register_netdevice (net/core/dev.c:11488)
[   13.906201][  T297]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.906360][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.906491][  T297]  register_netdev (net/core/dev.c:11552)
[   13.906626][  T297]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.906766][  T297]  ops_init (net/core/net_namespace.c:137)
[   13.906865][  T297]  setup_net (net/core/net_namespace.c:446)
[   13.906970][  T297]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.907101][  T297]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.907232][  T297]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.907363][  T297]  copy_net_ns (net/core/net_namespace.c:579)
[   13.907492][  T297]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.907627][  T297]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.907762][  T297]  ksys_unshare (kernel/fork.c:3243)
[   13.907897][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.908027][  T297]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.908157][  T297]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.908287][  T297]  ? __ia32_sys_open (fs/open.c:1374)
[   13.908418][  T297]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.908549][  T297]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.908683][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.908813][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.908946][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.909075][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.909235][  T297] RIP: 0033:0x7f776bfb0bcb
[   13.909370][  T297] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.909842][  T297] RSP: 002b:00007ffcad235928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.910041][  T297] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f776bfb0bcb
[   13.910234][  T297] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.910426][  T297] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.910621][  T297] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcad237b50
[   13.910818][  T297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad239847
| [   13.914850][  T297] ------------[ cut here ]------------
| [   13.914990][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.915214][  T297] Modules linked in:
| [   13.915575][  T297] Tainted: [W]=WARN
[   13.915678][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.915840][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.916012][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.916472][  T297] RSP: 0018:ffa0000000e67a68 EFLAGS: 00010286
[   13.916640][  T297] RAX: 00000000ffffffa6 RBX: ff1100000b7d4ac0 RCX: 1ff40000001ccf13
[   13.916837][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4b7c
[   13.917035][  T297] RBP: ff1100000a1b1000 R08: 1fe22000016fa971 R09: ff11000006198b80
[   13.917228][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.917422][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a1b1000
[   13.917617][  T297] FS:  00007f776bcee840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.917848][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.918015][  T297] CR2: 00007f776beefc20 CR3: 000000000e7ef006 CR4: 0000000000771ef0
[   13.918209][  T297] PKRU: 55555554
[   13.918308][  T297] Call Trace:
[   13.918405][  T297]  <TASK>
[   13.918472][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.918607][  T297]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.918745][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.918846][  T297]  register_netdevice (net/core/dev.c:11488)
[   13.918982][  T297]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.919146][  T297]  register_netdev (net/core/dev.c:11552)
[   13.919277][  T297]  sit_init_net (net/ipv6/sit.c:1860)
[   13.919409][  T297]  ops_init (net/core/net_namespace.c:137)
[   13.919512][  T297]  setup_net (net/core/net_namespace.c:446)
[   13.919610][  T297]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.919745][  T297]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.919881][  T297]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.920013][  T297]  copy_net_ns (net/core/net_namespace.c:579)
[   13.920146][  T297]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.920278][  T297]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.920409][  T297]  ksys_unshare (kernel/fork.c:3243)
[   13.920542][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.920677][  T297]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.920807][  T297]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.920943][  T297]  ? __ia32_sys_open (fs/open.c:1374)
[   13.921077][  T297]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.921206][  T297]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.921336][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.921464][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.921597][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.921733][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.921900][  T297] RIP: 0033:0x7f776bfb0bcb
[   13.922036][  T297] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.922501][  T297] RSP: 002b:00007ffcad235928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.922706][  T297] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f776bfb0bcb
[   13.922906][  T297] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.923115][  T297] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.923309][  T297] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcad237b50
[   13.923507][  T297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad239847
| [   13.928100][  T297] ------------[ cut here ]------------
| [   13.928236][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.928461][  T297] Modules linked in:
| [   13.928834][  T297] Tainted: [W]=WARN
[   13.928939][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.929101][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.929270][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.929743][  T297] RSP: 0018:ffa0000000e67a78 EFLAGS: 00010286
[   13.929912][  T297] RAX: 00000000ffffffa6 RBX: ff1100000caa0040 RCX: 1ff40000001ccf15
[   13.930107][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa00fc
[   13.930301][  T297] RBP: ff1100000f124000 R08: 1fe2200001954021 R09: ff11000006198b80
[   13.930497][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.930699][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f124000
[   13.930902][  T297] FS:  00007f776bcee840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   13.931131][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.931295][  T297] CR2: 00007f776beefc20 CR3: 000000000e7ef006 CR4: 0000000000771ef0
[   13.931489][  T297] PKRU: 55555554
[   13.931589][  T297] Call Trace:
[   13.931693][  T297]  <TASK>
[   13.931761][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.931897][  T297]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.932028][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.932128][  T297]  register_netdevice (net/core/dev.c:11488)
[   13.932261][  T297]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.932422][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.932557][  T297]  register_netdev (net/core/dev.c:11552)
[   13.932693][  T297]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.932825][  T297]  ops_init (net/core/net_namespace.c:137)
[   13.932930][  T297]  setup_net (net/core/net_namespace.c:446)
[   13.933029][  T297]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.933160][  T297]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.933292][  T297]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.933426][  T297]  copy_net_ns (net/core/net_namespace.c:579)
[   13.933561][  T297]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.933699][  T297]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.933832][  T297]  ksys_unshare (kernel/fork.c:3243)
[   13.933968][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.934099][  T297]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.934231][  T297]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.934363][  T297]  ? __ia32_sys_open (fs/open.c:1374)
[   13.934496][  T297]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.934630][  T297]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.934766][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.934902][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.935034][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.935165][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.935328][  T297] RIP: 0033:0x7f776bfb0bcb
[   13.935465][  T297] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.935944][  T297] RSP: 002b:00007ffcad235928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.936143][  T297] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f776bfb0bcb
[   13.936340][  T297] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.936539][  T297] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.936740][  T297] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcad237b50
[   13.936943][  T297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad239847
| [   13.966293][  T298] ------------[ cut here ]------------
| [   13.966483][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/298
| [   13.966768][  T298] Modules linked in:
| [   13.967296][  T298] Tainted: [W]=WARN
[   13.967440][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.967656][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.967899][  T298] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.968409][  T298] RSP: 0018:ffa0000000e77020 EFLAGS: 00010286
[   13.968626][  T298] RAX: 00000000ffffffa6 RBX: ff110000056c1540 RCX: 1ff40000001cedca
[   13.968889][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c15fc
[   13.969128][  T298] RBP: ff110000092a1000 R08: 1fe2200000ad82c1 R09: ff1100000619ae58
[   13.969367][  T298] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.969616][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.969880][  T298] FS:  00007facbd67d840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   13.970157][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.970365][  T298] CR2: 0000000027a31988 CR3: 0000000010593002 CR4: 0000000000771ef0
[   13.970615][  T298] PKRU: 55555554
[   13.970767][  T298] Call Trace:
[   13.970923][  T298]  <TASK>
[   13.971037][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.971216][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.971362][  T298]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.971542][  T298]  __dev_notify_flags (net/core/dev.c:9787)
[   13.971731][  T298]  ? netif_change_name (net/core/dev.c:1495)
[   13.971922][  T298]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.972102][  T298]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.972281][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.972459][  T298]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.972647][  T298]  netif_change_flags (net/core/dev.c:9820)
[   13.972835][  T298]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.973024][  T298]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.973204][  T298]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.973384][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.973606][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.973793][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.973982][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.974158][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.974338][  T298]  ? __kernel_text_address (kernel/extable.c:79)
[   13.974518][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.974710][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.974901][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.975080][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.975257][  T298]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.975435][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.975621][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.975807][  T298]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.975998][  T298]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.976178][  T298]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.976357][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.976540][  T298]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.976731][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.976922][  T298]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.977103][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.977278][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.977456][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.977643][  T298]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.977828][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.978019][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.978196][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.978373][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.978557][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.978744][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.978939][  T298]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.979116][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.979293][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.979470][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.979656][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.979842][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.980034][  T298]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.980210][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.980392][  T298]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.980582][  T298]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.980767][  T298]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.980960][  T298]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.981139][  T298]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.981316][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.981496][  T298]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.981689][  T298]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.981884][  T298]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.982064][  T298]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.982245][  T298]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.982422][  T298]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.982640][  T298]  ? move_addr_to_kernel (net/socket.c:258)
[   13.982827][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.983016][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.983198][  T298]  ___sys_sendmsg (net/socket.c:2752)
[   13.983374][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.983589][  T298]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.983787][  T298]  __sys_sendmsg (net/socket.c:2784)
[   13.983978][  T298]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.984154][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.984366][  T298]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.984553][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.984741][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.984932][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.985110][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.985288][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.985497][  T298] RIP: 0033:0x7facbd8b708e
[   13.985692][  T298] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.986211][  T298] RSP: 002b:00007ffe95628220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.986453][  T298] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007facbd8b708e
[   13.986707][  T298] RDX: 0000000000000000 RSI: 00007ffe956282d0 RDI: 0000000000000005
[   13.986961][  T298] RBP: 00007ffe95628230 R08: 0000000000000000 R09: 0000000000000000
[   13.987199][  T298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfa
[   13.987439][  T298] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe956289a0
| [   14.181068][  T306] ------------[ cut here ]------------
| [   14.181221][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   14.181453][  T306] Modules linked in:
| [   14.181830][  T306] Tainted: [W]=WARN
[   14.181935][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.182100][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.182273][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.182742][  T306] RSP: 0018:ffa0000000ee7a80 EFLAGS: 00010286
[   14.182912][  T306] RAX: 00000000ffffffa6 RBX: ff1100000a3063c0 RCX: 1ff40000001dcf16
[   14.183108][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a30647c
[   14.183303][  T306] RBP: ff11000010899000 R08: 1fe2200001460c91 R09: ff1100000a902e80
[   14.183495][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.183698][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010899000
[   14.183903][  T306] FS:  00007f39c4e9d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.184134][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.184299][  T306] CR2: 00007f39c509ec20 CR3: 000000000ef7e002 CR4: 0000000000771ef0
[   14.184497][  T306] PKRU: 55555554
[   14.184600][  T306] Call Trace:
[   14.184703][  T306]  <TASK>
[   14.184771][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.184908][  T306]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.185043][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.185142][  T306]  register_netdevice (net/core/dev.c:11488)
[   14.185277][  T306]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.185442][  T306]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.185580][  T306]  register_netdev (net/core/dev.c:11552)
[   14.185715][  T306]  loopback_net_init (drivers/net/loopback.c:218)
[   14.185846][  T306]  ops_init (net/core/net_namespace.c:137)
[   14.185951][  T306]  setup_net (net/core/net_namespace.c:446)
[   14.186051][  T306]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.186181][  T306]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.186312][  T306]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.186447][  T306]  copy_net_ns (net/core/net_namespace.c:579)
[   14.186582][  T306]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.186724][  T306]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.186857][  T306]  ksys_unshare (kernel/fork.c:3243)
[   14.186994][  T306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.187125][  T306]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.187256][  T306]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.187389][  T306]  ? __ia32_sys_open (fs/open.c:1374)
[   14.187523][  T306]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.187653][  T306]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.187795][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.187929][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.188060][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.188191][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.188355][  T306] RIP: 0033:0x7f39c515fbcb
[   14.188493][  T306] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.188972][  T306] RSP: 002b:00007ffc74da0d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.189169][  T306] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39c515fbcb
[   14.189366][  T306] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.189564][  T306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.189765][  T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc74da2f40
[   14.189964][  T306] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc74da3847
| [   14.193736][  T306] ------------[ cut here ]------------
| [   14.193878][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   14.194103][  T306] Modules linked in:
| [   14.194467][  T306] Tainted: [W]=WARN
[   14.194570][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.194742][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.194914][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.195376][  T306] RSP: 0018:ffa0000000ee7918 EFLAGS: 00010286
[   14.195544][  T306] RAX: 00000000ffffffa6 RBX: ff1100000fc4b700 RCX: 1ff40000001dcee9
[   14.195743][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b7bc
[   14.195942][  T306] RBP: ff1100000fd2c000 R08: 1fe2200001f896f9 R09: ff1100000a902e80
[   14.196137][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.196331][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd2c000
[   14.196530][  T306] FS:  00007f39c4e9d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.196764][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.196932][  T306] CR2: 00007f39c509ec20 CR3: 000000000ef7e002 CR4: 0000000000771ef0
[   14.197127][  T306] PKRU: 55555554
[   14.197224][  T306] Call Trace:
[   14.197321][  T306]  <TASK>
[   14.197388][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.197521][  T306]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.197651][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.197757][  T306]  register_netdevice (net/core/dev.c:11488)
[   14.197896][  T306]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.198059][  T306]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.198191][  T306]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.198321][  T306]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.198450][  T306]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.198584][  T306]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.198719][  T306]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.198853][  T306]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   14.198991][  T306]  ops_init (net/core/net_namespace.c:137)
[   14.199091][  T306]  setup_net (net/core/net_namespace.c:446)
[   14.199190][  T306]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.199319][  T306]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.199449][  T306]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.199583][  T306]  copy_net_ns (net/core/net_namespace.c:579)
[   14.199721][  T306]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.199853][  T306]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.199989][  T306]  ksys_unshare (kernel/fork.c:3243)
[   14.200119][  T306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.200250][  T306]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.200379][  T306]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.200514][  T306]  ? __ia32_sys_open (fs/open.c:1374)
[   14.200648][  T306]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.200782][  T306]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.200914][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.201043][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.201173][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.201304][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.201465][  T306] RIP: 0033:0x7f39c515fbcb
[   14.201604][  T306] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.202078][  T306] RSP: 002b:00007ffc74da0d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.202274][  T306] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39c515fbcb
[   14.202466][  T306] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.202668][  T306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.202862][  T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc74da2f40
[   14.203060][  T306] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc74da3847
| [   14.207330][  T306] ------------[ cut here ]------------
| [   14.207468][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   14.207705][  T306] Modules linked in:
| [   14.208366][  T306] Tainted: [W]=WARN
[   14.208467][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.208634][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.208810][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.209281][  T306] RSP: 0018:ffa0000000ee78f8 EFLAGS: 00010286
[   14.209446][  T306] RAX: 00000000ffffffa6 RBX: ff1100000a307540 RCX: 1ff40000001dcee5
[   14.209645][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a3075fc
[   14.209845][  T306] RBP: ff1100000ef51000 R08: 1fe2200001460ec1 R09: ff1100000a902e80
[   14.210045][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.210244][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef51000
[   14.210441][  T306] FS:  00007f39c4e9d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.210678][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.210843][  T306] CR2: 00007f39c509ec20 CR3: 000000000ef7e002 CR4: 0000000000771ef0
[   14.211044][  T306] PKRU: 55555554
[   14.211143][  T306] Call Trace:
[   14.211243][  T306]  <TASK>
[   14.211311][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.211442][  T306]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.211577][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.211681][  T306]  register_netdevice (net/core/dev.c:11488)
[   14.211816][  T306]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.211988][  T306]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.212120][  T306]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.212253][  T306]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.212384][  T306]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.212520][  T306]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.212653][  T306]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.212792][  T306]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   14.212931][  T306]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.213064][  T306]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.213196][  T306]  ops_init (net/core/net_namespace.c:137)
[   14.213296][  T306]  setup_net (net/core/net_namespace.c:446)
[   14.213396][  T306]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.213529][  T306]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.213661][  T306]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.213801][  T306]  copy_net_ns (net/core/net_namespace.c:579)
[   14.213939][  T306]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.214072][  T306]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.214205][  T306]  ksys_unshare (kernel/fork.c:3243)
[   14.214335][  T306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.214466][  T306]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.214603][  T306]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.214740][  T306]  ? __ia32_sys_open (fs/open.c:1374)
[   14.214880][  T306]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.215011][  T306]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.215142][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.215272][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.215403][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.215537][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.215705][  T306] RIP: 0033:0x7f39c515fbcb
[   14.215842][  T306] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.216309][  T306] RSP: 002b:00007ffc74da0d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.216508][  T306] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39c515fbcb
[   14.216711][  T306] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.216911][  T306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.217107][  T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc74da2f40
[   14.217302][  T306] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc74da3847
| [   14.223308][  T306] ------------[ cut here ]------------
| [   14.223445][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   14.223678][  T306] Modules linked in:
| [   14.224550][  T306] Tainted: [W]=WARN
[   14.224650][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.224818][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.225048][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.225508][  T306] RSP: 0018:ffa0000000ee7a78 EFLAGS: 00010286
[   14.225676][  T306] RAX: 00000000ffffffa6 RBX: ff1100000ccc4740 RCX: 1ff40000001dcf15
[   14.225924][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ccc47fc
[   14.226118][  T306] RBP: ff11000010bc9000 R08: 1fe2200001998901 R09: ff1100000a902e80
[   14.226311][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.226502][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bc9000
[   14.226762][  T306] FS:  00007f39c4e9d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.227044][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.227205][  T306] CR2: 00007f39c509ec20 CR3: 000000000ef7e002 CR4: 0000000000771ef0
[   14.227399][  T306] PKRU: 55555554
[   14.227494][  T306] Call Trace:
[   14.227595][  T306]  <TASK>
[   14.227661][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.227797][  T306]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.227979][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.228077][  T306]  register_netdevice (net/core/dev.c:11488)
[   14.228208][  T306]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.228366][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.228498][  T306]  register_netdev (net/core/dev.c:11552)
[   14.228629][  T306]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.228766][  T306]  ops_init (net/core/net_namespace.c:137)
[   14.228865][  T306]  setup_net (net/core/net_namespace.c:446)
[   14.229016][  T306]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.229145][  T306]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.229274][  T306]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.229407][  T306]  copy_net_ns (net/core/net_namespace.c:579)
[   14.229542][  T306]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.229679][  T306]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.229811][  T306]  ksys_unshare (kernel/fork.c:3243)
[   14.229994][  T306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.230124][  T306]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.230253][  T306]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.230383][  T306]  ? __ia32_sys_open (fs/open.c:1374)
[   14.230518][  T306]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.230649][  T306]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.230784][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.230967][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.231097][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.231228][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.231390][  T306] RIP: 0033:0x7f39c515fbcb
[   14.231528][  T306] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.232056][  T306] RSP: 002b:00007ffc74da0d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.232253][  T306] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39c515fbcb
[   14.232446][  T306] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.232643][  T306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.232840][  T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc74da2f40
[   14.233088][  T306] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc74da3847
| [   14.237675][  T306] ------------[ cut here ]------------
| [   14.237813][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   14.238042][  T306] Modules linked in:
| [   14.238405][  T306] Tainted: [W]=WARN
[   14.238504][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.238681][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.238850][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.239318][  T306] RSP: 0018:ffa0000000ee7a68 EFLAGS: 00010286
[   14.239482][  T306] RAX: 00000000ffffffa6 RBX: ff1100000b7d5a80 RCX: 1ff40000001dcf13
[   14.239681][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d5b3c
[   14.239888][  T306] RBP: ff11000010bec000 R08: 1fe22000016fab69 R09: ff1100000a902e80
[   14.240085][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.240282][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bec000
[   14.240477][  T306] FS:  00007f39c4e9d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.240716][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.240884][  T306] CR2: 00007f39c509ec20 CR3: 000000000ef7e002 CR4: 0000000000771ef0
[   14.241080][  T306] PKRU: 55555554
[   14.241179][  T306] Call Trace:
[   14.241275][  T306]  <TASK>
[   14.241342][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.241471][  T306]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.241605][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.241709][  T306]  register_netdevice (net/core/dev.c:11488)
[   14.241843][  T306]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.242070][  T306]  register_netdev (net/core/dev.c:11552)
[   14.242202][  T306]  sit_init_net (net/ipv6/sit.c:1860)
[   14.242334][  T306]  ops_init (net/core/net_namespace.c:137)
[   14.242488][  T306]  setup_net (net/core/net_namespace.c:446)
[   14.242588][  T306]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.242723][  T306]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.242854][  T306]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.243040][  T306]  copy_net_ns (net/core/net_namespace.c:579)
[   14.243173][  T306]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.243306][  T306]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.243436][  T306]  ksys_unshare (kernel/fork.c:3243)
[   14.243570][  T306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.243706][  T306]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.243838][  T306]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.244023][  T306]  ? __ia32_sys_open (fs/open.c:1374)
[   14.244156][  T306]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.244286][  T306]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.244415][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.244547][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.244680][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.244810][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.245030][  T306] RIP: 0033:0x7f39c515fbcb
[   14.245166][  T306] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.245629][  T306] RSP: 002b:00007ffc74da0d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.245832][  T306] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39c515fbcb
[   14.246080][  T306] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.246273][  T306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.246465][  T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc74da2f40
[   14.246662][  T306] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc74da3847
| [   14.257256][  T306] ------------[ cut here ]------------
| [   14.257391][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   14.257619][  T306] Modules linked in:
| [   14.258513][  T306] Tainted: [W]=WARN
[   14.258615][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.258789][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.259017][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.259481][  T306] RSP: 0018:ffa0000000ee7a78 EFLAGS: 00010286
[   14.259649][  T306] RAX: 00000000ffffffa6 RBX: ff1100000909c3c0 RCX: 1ff40000001dcf15
[   14.259851][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909c47c
[   14.260101][  T306] RBP: ff11000010889000 R08: 1fe2200001213891 R09: ff1100000a902e80
[   14.260297][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.260491][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010889000
[   14.260754][  T306] FS:  00007f39c4e9d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.261037][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.261202][  T306] CR2: 00007f39c509ec20 CR3: 000000000ef7e002 CR4: 0000000000771ef0
[   14.261399][  T306] PKRU: 55555554
[   14.261496][  T306] Call Trace:
[   14.261599][  T306]  <TASK>
[   14.261672][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.261804][  T306]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.261988][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.262089][  T306]  register_netdevice (net/core/dev.c:11488)
[   14.262222][  T306]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.262383][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.262520][  T306]  register_netdev (net/core/dev.c:11552)
[   14.262651][  T306]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.262789][  T306]  ops_init (net/core/net_namespace.c:137)
[   14.262944][  T306]  setup_net (net/core/net_namespace.c:446)
[   14.263045][  T306]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.263176][  T306]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.263308][  T306]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.263443][  T306]  copy_net_ns (net/core/net_namespace.c:579)
[   14.263579][  T306]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.263719][  T306]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.263850][  T306]  ksys_unshare (kernel/fork.c:3243)
[   14.264035][  T306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.264165][  T306]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.264296][  T306]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.264429][  T306]  ? __ia32_sys_open (fs/open.c:1374)
[   14.264567][  T306]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.264704][  T306]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.264834][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.264994][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.265124][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.265254][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.265415][  T306] RIP: 0033:0x7f39c515fbcb
[   14.265553][  T306] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.266024][  T306] RSP: 002b:00007ffc74da0d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.266220][  T306] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39c515fbcb
[   14.266417][  T306] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.266613][  T306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.266812][  T306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc74da2f40
[   14.267009][  T306] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc74da3847
| [   14.290478][  T307] ------------[ cut here ]------------
| [   14.290656][  T307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/307
| [   14.290947][  T307] Modules linked in:
| [   14.291401][  T307] Tainted: [W]=WARN
[   14.291552][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.291769][  T307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.291999][  T307] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.292500][  T307] RSP: 0018:ffa0000000ef7020 EFLAGS: 00010286
[   14.292726][  T307] RAX: 00000000ffffffa6 RBX: ff1100000909cc80 RCX: 1ff40000001dedca
[   14.292977][  T307] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909cd3c
[   14.293215][  T307] RBP: ff11000010899000 R08: 1fe22000012139a9 R09: ff11000009a90b58
[   14.293452][  T307] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.293708][  T307] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.293961][  T307] FS:  00007f10f458d840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   14.294230][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.294440][  T307] CR2: 00000000054c0988 CR3: 000000000c5b5002 CR4: 0000000000771ef0
[   14.294696][  T307] PKRU: 55555554
[   14.294839][  T307] Call Trace:
[   14.294993][  T307]  <TASK>
[   14.295107][  T307]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.295285][  T307]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.295431][  T307]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.295614][  T307]  __dev_notify_flags (net/core/dev.c:9787)
[   14.295804][  T307]  ? netif_change_name (net/core/dev.c:1495)
[   14.295999][  T307]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.296177][  T307]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.296352][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.296531][  T307]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.296715][  T307]  netif_change_flags (net/core/dev.c:9820)
[   14.296908][  T307]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.297084][  T307]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.297266][  T307]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.297444][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.297660][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.297845][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.298033][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.298208][  T307]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.298389][  T307]  ? __kernel_text_address (kernel/extable.c:79)
[   14.298574][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.298761][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.298950][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.299128][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.299306][  T307]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.299481][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.299662][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.299848][  T307]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.300036][  T307]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.300212][  T307]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.300388][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.300571][  T307]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.300761][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.300956][  T307]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.301135][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.301313][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.301489][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.301678][  T307]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.301858][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.302049][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.302224][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.302400][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.302588][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.302774][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.302964][  T307]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.303141][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.303316][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.303490][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.303679][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.303856][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.304048][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.304225][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.304404][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.304591][  T307]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.304773][  T307]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.304963][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.305140][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.305318][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.305495][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.305688][  T307]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.305880][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.306059][  T307]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.306236][  T307]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.306411][  T307]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.306626][  T307]  ? move_addr_to_kernel (net/socket.c:258)
[   14.306811][  T307]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.307000][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.307181][  T307]  ___sys_sendmsg (net/socket.c:2752)
[   14.307354][  T307]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.307568][  T307]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.307764][  T307]  __sys_sendmsg (net/socket.c:2784)
[   14.307954][  T307]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.308132][  T307]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.308341][  T307]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.308521][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.308707][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.308895][  T307]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.309072][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.309250][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.309460][  T307] RIP: 0033:0x7f10f47c708e
[   14.309649][  T307] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.310174][  T307] RSP: 002b:00007ffd299c0730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.310415][  T307] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f10f47c708e
[   14.310662][  T307] RDX: 0000000000000000 RSI: 00007ffd299c07e0 RDI: 0000000000000005
[   14.310918][  T307] RBP: 00007ffd299c0740 R08: 0000000000000000 R09: 0000000000000000
[   14.311156][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfa
[   14.311393][  T307] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd299c0eb0
| [   14.497430][  T315] ------------[ cut here ]------------
| [   14.497586][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   14.497822][  T315] Modules linked in:
| [   14.498194][  T315] Tainted: [W]=WARN
[   14.498294][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.498458][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.498632][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.499108][  T315] RSP: 0018:ffa0000000f77a80 EFLAGS: 00010286
[   14.499273][  T315] RAX: 00000000ffffffa6 RBX: ff1100000922aac0 RCX: 1ff40000001eef16
[   14.499469][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922ab7c
[   14.499672][  T315] RBP: ff110000108a9000 R08: 1fe2200001245571 R09: ff1100001078d180
[   14.499872][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.500066][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000108a9000
[   14.500267][  T315] FS:  00007f565643c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.500499][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.500675][  T315] CR2: 00007f565663dc20 CR3: 000000000e6e5001 CR4: 0000000000771ef0
[   14.500875][  T315] PKRU: 55555554
[   14.500973][  T315] Call Trace:
[   14.501072][  T315]  <TASK>
[   14.501140][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.501271][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.501404][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.501503][  T315]  register_netdevice (net/core/dev.c:11488)
[   14.501638][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.501808][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.501944][  T315]  register_netdev (net/core/dev.c:11552)
[   14.502074][  T315]  loopback_net_init (drivers/net/loopback.c:218)
[   14.502205][  T315]  ops_init (net/core/net_namespace.c:137)
[   14.502305][  T315]  setup_net (net/core/net_namespace.c:446)
[   14.502406][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.502539][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.502677][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.502810][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   14.502947][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.503080][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.503210][  T315]  ksys_unshare (kernel/fork.c:3243)
[   14.503341][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.503471][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.503604][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.503741][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   14.503880][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.504011][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.504142][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.504271][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.504401][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.504535][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.504701][  T315] RIP: 0033:0x7f56566febcb
[   14.504837][  T315] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.505303][  T315] RSP: 002b:00007ffe8bd03d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.505498][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56566febcb
[   14.505703][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.505900][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.506093][  T315] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8bd05f40
[   14.506286][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8bd06847
| [   14.510455][  T315] ------------[ cut here ]------------
| [   14.510593][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   14.510826][  T315] Modules linked in:
| [   14.511190][  T315] Tainted: [W]=WARN
[   14.511288][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.511450][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.511619][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.512093][  T315] RSP: 0018:ffa0000000f77918 EFLAGS: 00010286
[   14.512256][  T315] RAX: 00000000ffffffa6 RBX: ff1100000baabc40 RCX: 1ff40000001eeee9
[   14.512448][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baabcfc
[   14.512643][  T315] RBP: ff1100000ffe1000 R08: 1fe22000017557a1 R09: ff1100001078d180
[   14.512839][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.513036][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe1000
[   14.513230][  T315] FS:  00007f565643c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.513456][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.513623][  T315] CR2: 00007f565663dc20 CR3: 000000000e6e5001 CR4: 0000000000771ef0
[   14.513825][  T315] PKRU: 55555554
[   14.513926][  T315] Call Trace:
[   14.514021][  T315]  <TASK>
[   14.514087][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.514216][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.514344][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.514444][  T315]  register_netdevice (net/core/dev.c:11488)
[   14.514578][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.514742][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.514877][  T315]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.515007][  T315]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.515136][  T315]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.515265][  T315]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.515395][  T315]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.515527][  T315]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   14.515658][  T315]  ops_init (net/core/net_namespace.c:137)
[   14.515764][  T315]  setup_net (net/core/net_namespace.c:446)
[   14.515862][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.515994][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.516123][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.516254][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   14.516384][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.516519][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.516649][  T315]  ksys_unshare (kernel/fork.c:3243)
[   14.516784][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.516919][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.517048][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.517178][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   14.517310][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.517438][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.517571][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.517706][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.517835][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.517974][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.518134][  T315] RIP: 0033:0x7f56566febcb
[   14.518268][  T315] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.518735][  T315] RSP: 002b:00007ffe8bd03d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.518933][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56566febcb
[   14.519125][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.519317][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.519510][  T315] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8bd05f40
[   14.519710][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8bd06847
| [   14.523532][  T315] ------------[ cut here ]------------
| [   14.523672][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   14.523907][  T315] Modules linked in:
| [   14.524269][  T315] Tainted: [W]=WARN
[   14.524368][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.524536][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.524711][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.525180][  T315] RSP: 0018:ffa0000000f778f8 EFLAGS: 00010286
[   14.525344][  T315] RAX: 00000000ffffffa6 RBX: ff1100000b727000 RCX: 1ff40000001eeee5
[   14.525541][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7270bc
[   14.525741][  T315] RBP: ff11000005821000 R08: 1fe22000016e4e19 R09: ff1100001078d180
[   14.525942][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.526137][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005821000
[   14.526333][  T315] FS:  00007f565643c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.526564][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.526735][  T315] CR2: 00007f565663dc20 CR3: 000000000e6e5001 CR4: 0000000000771ef0
[   14.526935][  T315] PKRU: 55555554
[   14.527032][  T315] Call Trace:
[   14.527129][  T315]  <TASK>
[   14.527196][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.527326][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.527456][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.527559][  T315]  register_netdevice (net/core/dev.c:11488)
[   14.527697][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.527862][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.528000][  T315]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.528130][  T315]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.528262][  T315]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.528394][  T315]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.528531][  T315]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.528663][  T315]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   14.528804][  T315]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.528947][  T315]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.529079][  T315]  ops_init (net/core/net_namespace.c:137)
[   14.529180][  T315]  setup_net (net/core/net_namespace.c:446)
[   14.529279][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.529410][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.529546][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.529683][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   14.529816][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.529955][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.530087][  T315]  ksys_unshare (kernel/fork.c:3243)
[   14.530219][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.530349][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.530481][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.530617][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   14.530756][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.530891][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.531021][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.531152][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.531282][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.531413][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.531580][  T315] RIP: 0033:0x7f56566febcb
[   14.531720][  T315] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.532189][  T315] RSP: 002b:00007ffe8bd03d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.532389][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56566febcb
[   14.532584][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.532785][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.532985][  T315] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8bd05f40
[   14.533180][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8bd06847
| [   14.537288][  T315] ------------[ cut here ]------------
| [   14.537423][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   14.537651][  T315] Modules linked in:
| [   14.538023][  T315] Tainted: [W]=WARN
[   14.538121][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.538283][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.538453][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.538925][  T315] RSP: 0018:ffa0000000f77a78 EFLAGS: 00010286
[   14.539088][  T315] RAX: 00000000ffffffa6 RBX: ff1100000909da80 RCX: 1ff40000001eef15
[   14.539283][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909db3c
[   14.539476][  T315] RBP: ff1100001248c000 R08: 1fe2200001213b69 R09: ff1100001078d180
[   14.539679][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.539876][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001248c000
[   14.540073][  T315] FS:  00007f565643c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.540300][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.540463][  T315] CR2: 00007f565663dc20 CR3: 000000000e6e5001 CR4: 0000000000771ef0
[   14.540661][  T315] PKRU: 55555554
[   14.540765][  T315] Call Trace:
[   14.540861][  T315]  <TASK>
[   14.540933][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.541063][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.541192][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.541291][  T315]  register_netdevice (net/core/dev.c:11488)
[   14.541422][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.541583][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.541720][  T315]  register_netdev (net/core/dev.c:11552)
[   14.541850][  T315]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.541988][  T315]  ops_init (net/core/net_namespace.c:137)
[   14.542087][  T315]  setup_net (net/core/net_namespace.c:446)
[   14.542185][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.542313][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.542443][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.542577][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   14.542714][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.542847][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.542981][  T315]  ksys_unshare (kernel/fork.c:3243)
[   14.543110][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.543240][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.543370][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.543500][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   14.543635][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.543770][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.543904][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.544032][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.544160][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.544289][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.544450][  T315] RIP: 0033:0x7f56566febcb
[   14.544586][  T315] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.545056][  T315] RSP: 002b:00007ffe8bd03d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.545251][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56566febcb
[   14.545444][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.545642][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.545840][  T315] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8bd05f40
[   14.546037][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8bd06847
| [   14.550349][  T315] ------------[ cut here ]------------
| [   14.550486][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   14.550717][  T315] Modules linked in:
| [   14.551083][  T315] Tainted: [W]=WARN
[   14.551182][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.551345][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.551517][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.551991][  T315] RSP: 0018:ffa0000000f77a68 EFLAGS: 00010286
[   14.552155][  T315] RAX: 00000000ffffffa6 RBX: ff1100000df42200 RCX: 1ff40000001eef13
[   14.552348][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df422bc
[   14.552546][  T315] RBP: ff110000124b9000 R08: 1fe2200001be8459 R09: ff1100001078d180
[   14.552746][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.552945][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124b9000
[   14.553143][  T315] FS:  00007f565643c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.553370][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.553539][  T315] CR2: 00007f565663dc20 CR3: 000000000e6e5001 CR4: 0000000000771ef0
[   14.553742][  T315] PKRU: 55555554
[   14.553838][  T315] Call Trace:
[   14.553939][  T315]  <TASK>
[   14.554006][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.554135][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.554266][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.554364][  T315]  register_netdevice (net/core/dev.c:11488)
[   14.554497][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.554669][  T315]  register_netdev (net/core/dev.c:11552)
[   14.554799][  T315]  sit_init_net (net/ipv6/sit.c:1860)
[   14.554935][  T315]  ops_init (net/core/net_namespace.c:137)
[   14.555035][  T315]  setup_net (net/core/net_namespace.c:446)
[   14.555133][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.555263][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.555392][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.555528][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   14.555658][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.555797][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.555931][  T315]  ksys_unshare (kernel/fork.c:3243)
[   14.556061][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.556191][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.556323][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.556453][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   14.556585][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.556720][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.556849][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.556982][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.557112][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.557243][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.557403][  T315] RIP: 0033:0x7f56566febcb
[   14.557542][  T315] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.558010][  T315] RSP: 002b:00007ffe8bd03d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.558206][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56566febcb
[   14.558492][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.558693][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.558980][  T315] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8bd05f40
[   14.559173][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8bd06847
| [   14.567336][  T315] ------------[ cut here ]------------
| [   14.567519][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/315
| [   14.567805][  T315] Modules linked in:
| [   14.568285][  T315] Tainted: [W]=WARN
[   14.568430][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.568648][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.568890][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.569401][  T315] RSP: 0018:ffa0000000f77a78 EFLAGS: 00010286
[   14.569620][  T315] RAX: 00000000ffffffa6 RBX: ff1100000fe90200 RCX: 1ff40000001eef15
[   14.569881][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe902bc
[   14.570125][  T315] RBP: ff110000124dc000 R08: 1fe2200001fd2059 R09: ff1100001078d180
[   14.570367][  T315] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.570616][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124dc000
[   14.570883][  T315] FS:  00007f565643c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   14.571160][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.571371][  T315] CR2: 000055dfefe51850 CR3: 000000000e6e5003 CR4: 0000000000771ef0
[   14.571621][  T315] PKRU: 55555554
[   14.571775][  T315] Call Trace:
[   14.571936][  T315]  <TASK>
[   14.572052][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.572230][  T315]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.572411][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.572566][  T315]  register_netdevice (net/core/dev.c:11488)
[   14.572756][  T315]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.572980][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.573162][  T315]  register_netdev (net/core/dev.c:11552)
[   14.573340][  T315]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.573521][  T315]  ops_init (net/core/net_namespace.c:137)
[   14.573681][  T315]  setup_net (net/core/net_namespace.c:446)
[   14.573829][  T315]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.574017][  T315]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.574196][  T315]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.574376][  T315]  copy_net_ns (net/core/net_namespace.c:579)
[   14.574563][  T315]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.574750][  T315]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.574945][  T315]  ksys_unshare (kernel/fork.c:3243)
[   14.575124][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.575302][  T315]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.575480][  T315]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.575673][  T315]  ? __ia32_sys_open (fs/open.c:1374)
[   14.575855][  T315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.576044][  T315]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.576222][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.576402][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.576587][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.576776][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.577000][  T315] RIP: 0033:0x7f56566febcb
[   14.577183][  T315] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.577707][  T315] RSP: 002b:00007ffe8bd03d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.577965][  T315] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56566febcb
[   14.578206][  T315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.578448][  T315] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.578705][  T315] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8bd05f40
[   14.578960][  T315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8bd06847
| [   14.614884][  T316] ------------[ cut here ]------------
| [   14.615030][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/316
| [   14.615256][  T316] Modules linked in:
| [   14.615624][  T316] Tainted: [W]=WARN
[   14.615730][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.615902][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.616074][  T316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.616540][  T316] RSP: 0018:ffa0000000f87020 EFLAGS: 00010286
[   14.616709][  T316] RAX: 00000000ffffffa6 RBX: ff11000006232580 RCX: 1ff40000001f0dca
[   14.617348][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000623263c
[   14.617552][  T316] RBP: ff110000108a9000 R08: 1fe2200000c464c9 R09: ff110000104b2e58
[   14.617749][  T316] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.617948][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.618145][  T316] FS:  00007fab97db0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.618371][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.618539][  T316] CR2: 00007fab980801a0 CR3: 000000000ee47002 CR4: 0000000000771ef0
[   14.618740][  T316] PKRU: 55555554
[   14.618838][  T316] Call Trace:
[   14.618940][  T316]  <TASK>
[   14.619008][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.619146][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.619245][  T316]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.619376][  T316]  __dev_notify_flags (net/core/dev.c:9787)
[   14.619512][  T316]  ? netif_change_name (net/core/dev.c:1495)
[   14.619644][  T316]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.619781][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.619914][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.620048][  T316]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.620181][  T316]  netif_change_flags (net/core/dev.c:9820)
[   14.620313][  T316]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.620444][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.620583][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.620721][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.620888][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.621017][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.621149][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.621279][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.621411][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   14.621546][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.621682][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.621813][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.621947][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.622079][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.622208][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.622337][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.622468][  T316]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.622602][  T316]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.622738][  T316]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.622874][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.623007][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.623141][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.623273][  T316]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.623406][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.623539][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.623673][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.623804][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.623946][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.624083][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.624214][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.624344][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.624474][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.624609][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.624743][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.624878][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.625007][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.625136][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.625270][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.625400][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.625535][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.625671][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.625801][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.625939][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.626068][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.626200][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.626331][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.626462][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.626597][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.626734][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.626871][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.627003][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.627134][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.627265][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.627426][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   14.627560][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.627695][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.627828][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   14.627962][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.628123][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.628266][  T316]  __sys_sendmsg (net/socket.c:2784)
[   14.628396][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.628528][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.628698][  T316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.628829][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.628964][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.629095][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.629227][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.629357][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.629520][  T316] RIP: 0033:0x7fab97fea08e
[   14.629656][  T316] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.630128][  T316] RSP: 002b:00007fffbc8a53d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.630323][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab97fea08e
[   14.630520][  T316] RDX: 0000000000000000 RSI: 00007fffbc8a5480 RDI: 0000000000000005
[   14.630718][  T316] RBP: 00007fffbc8a53e0 R08: 0000000000000000 R09: 0000000000000000
[   14.630915][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfa
[   14.631110][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbc8a5b50
| [   14.991949][  T331] ------------[ cut here ]------------
| [   14.992114][  T331] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/331
| [   14.992357][  T331] Modules linked in:
| [   14.992747][  T331] Tainted: [W]=WARN
[   14.992849][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.993024][  T331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.993204][  T331] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.993689][  T331] RSP: 0018:ffa0000001076e30 EFLAGS: 00010286
[   14.993860][  T331] RAX: 00000000ffffffa6 RBX: ff1100000baab1c0 RCX: 1ff400000020ed8c
[   14.994067][  T331] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baab27c
[   14.994269][  T331] RBP: ff1100000e62c000 R08: 1fe2200001755651 R09: ff110000106fae80
[   14.994469][  T331] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.994678][  T331] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f8d900
[   14.994885][  T331] FS:  00007fbcc8a97840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   14.995122][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.995292][  T331] CR2: 000000000042ebe0 CR3: 0000000010b40002 CR4: 0000000000771ef0
[   14.995494][  T331] PKRU: 55555554
[   14.995600][  T331] Call Trace:
[   14.995705][  T331]  <TASK>
[   14.995776][  T331]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.995916][  T331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.996020][  T331]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.996190][  T331]  __dev_notify_flags (net/core/dev.c:9787)
[   14.996326][  T331]  ? netif_change_name (net/core/dev.c:1495)
[   14.996461][  T331]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.996602][  T331]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   14.996775][  T331]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.996913][  T331]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.997050][  T331]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.997187][  T331]  veth_newlink (drivers/net/veth.c:1871)
[   14.997323][  T331]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.997456][  T331]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.997595][  T331]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.997734][  T331]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.997888][  T331]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.998025][  T331]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.998160][  T331]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.998294][  T331]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.998430][  T331]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.998570][  T331]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.998711][  T331]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.998846][  T331]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.998986][  T331]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.999127][  T331]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.999265][  T331]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.999401][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.999542][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.999682][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.999816][  T331]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.999955][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.000094][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.000230][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.000365][  T331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.000500][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.000637][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.000777][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.000916][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.001050][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.001187][  T331]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.001322][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.001457][  T331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.001600][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.001739][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.001881][  T331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.002018][  T331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.002154][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.002289][  T331]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.002425][  T331]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.002565][  T331]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.002707][  T331]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.002842][  T331]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.002979][  T331]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.003145][  T331]  ? move_addr_to_kernel (net/socket.c:258)
[   15.003285][  T331]  ___sys_sendmsg (net/socket.c:2752)
[   15.003418][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.003554][  T331]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.003704][  T331]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.003841][  T331]  __sys_sendmsg (net/socket.c:2784)
[   15.003979][  T331]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.004118][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.004254][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.004390][  T331]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.004529][  T331]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.004664][  T331]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.004804][  T331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.004977][  T331] RIP: 0033:0x7fbcc8cd108e
[   15.005119][  T331] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.005601][  T331] RSP: 002b:00007ffd16cff300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.005808][  T331] RAX: ffffffffffffffda RBX: 00007ffd16cffaa8 RCX: 00007fbcc8cd108e
[   15.006012][  T331] RDX: 0000000000000000 RSI: 00007ffd16cff3b0 RDI: 0000000000000005
[   15.006213][  T331] RBP: 00007ffd16cff310 R08: 0000000000000000 R09: 0000000000000000
[   15.006413][  T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.006617][  T331] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16cffa80
| [   15.020523][  T331] ------------[ cut here ]------------
| [   15.020664][  T331] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/331
| [   15.020909][  T331] Modules linked in:
| [   15.021279][  T331] Tainted: [W]=WARN
[   15.021378][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.021548][  T331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.021727][  T331] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.022205][  T331] RSP: 0018:ffa00000010771b0 EFLAGS: 00010286
[   15.022374][  T331] RAX: 00000000ffffffa6 RBX: ff11000001e4a3c0 RCX: 1ff400000020edfc
[   15.022575][  T331] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a47c
[   15.022778][  T331] RBP: ff1100000e629000 R08: 1fe22000003c9491 R09: ff110000106fae80
[   15.022978][  T331] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.023178][  T331] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   15.023377][  T331] FS:  00007fbcc8a97840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.023613][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.023782][  T331] CR2: 000000000042ebe0 CR3: 0000000010b40002 CR4: 0000000000771ef0
[   15.023986][  T331] PKRU: 55555554
[   15.024088][  T331] Call Trace:
[   15.024186][  T331]  <TASK>
[   15.024255][  T331]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.024389][  T331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.024490][  T331]  __dev_notify_flags (net/core/dev.c:9787)
[   15.024628][  T331]  ? netif_change_name (net/core/dev.c:1495)
[   15.024767][  T331]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.024904][  T331]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.025040][  T331]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.025175][  T331]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.025310][  T331]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.025442][  T331]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.025578][  T331]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.025723][  T331]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.025860][  T331]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.026002][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.026134][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.026265][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.026396][  T331]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.026530][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.026672][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.026807][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.026943][  T331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.027076][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.027208][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.027340][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.027473][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.027608][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.027746][  T331]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.027882][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.028015][  T331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.028153][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.028283][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.028417][  T331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.028552][  T331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.028691][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.028825][  T331]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.028963][  T331]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.029098][  T331]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.029233][  T331]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.029365][  T331]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.029497][  T331]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.029664][  T331]  ? move_addr_to_kernel (net/socket.c:258)
[   15.029807][  T331]  ___sys_sendmsg (net/socket.c:2752)
[   15.029945][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.030081][  T331]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.030224][  T331]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.030358][  T331]  __sys_sendmsg (net/socket.c:2784)
[   15.030491][  T331]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.030631][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.030770][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.030909][  T331]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.031041][  T331]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.031176][  T331]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.031310][  T331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.031473][  T331] RIP: 0033:0x7fbcc8cd108e
[   15.031614][  T331] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.032096][  T331] RSP: 002b:00007ffd16cff300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.032296][  T331] RAX: ffffffffffffffda RBX: 00007ffd16cffaa8 RCX: 00007fbcc8cd108e
[   15.032494][  T331] RDX: 0000000000000000 RSI: 00007ffd16cff3b0 RDI: 0000000000000005
[   15.032702][  T331] RBP: 00007ffd16cff310 R08: 0000000000000000 R09: 0000000000000000
[   15.032905][  T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.033104][  T331] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16cffa80
| [   15.079436][  T332] ------------[ cut here ]------------
| [   15.079580][  T332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/332
| [   15.079804][  T332] Modules linked in:
| [   15.080165][  T332] Tainted: [W]=WARN
[   15.080261][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.080419][  T332] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.080586][  T332] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.081041][  T332] RSP: 0018:ffa0000001086ff8 EFLAGS: 00010286
[   15.081200][  T332] RAX: 00000000ffffffa6 RBX: ff11000001e4aac0 RCX: 1ff4000000210dc5
[   15.081388][  T332] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4ab7c
[   15.081579][  T332] RBP: ff1100000e62c000 R08: 1fe22000003c9571 R09: ff110000106fd158
[   15.081771][  T332] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.081968][  T332] R13: 0000000000000000 R14: ffa0000001087140 R15: ff1100000d4a43d0
[   15.082157][  T332] FS:  00007f4819ff2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.082377][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.082539][  T332] CR2: 00007f481a2c21a0 CR3: 0000000010b40004 CR4: 0000000000771ef0
[   15.082732][  T332] PKRU: 55555554
[   15.082827][  T332] Call Trace:
[   15.082926][  T332]  <TASK>
[   15.082993][  T332]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   15.083124][  T332]  __dev_change_net_namespace (net/core/dev.c:12635)
[   15.083282][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.083407][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.083538][  T332]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.083700][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.083827][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.083963][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.084091][  T332]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.084218][  T332]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.084347][  T332]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.084474][  T332]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.084605][  T332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.084767][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.084897][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.085024][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.085150][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.085281][  T332]  ? __kernel_text_address (kernel/extable.c:79)
[   15.085411][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.085541][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.085676][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.085808][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.085939][  T332]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.086064][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.086190][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.086315][  T332]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.086442][  T332]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.086573][  T332]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.086704][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.086832][  T332]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.086963][  T332]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.087091][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.087221][  T332]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.087349][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.087475][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.087602][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.087734][  T332]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.087858][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.087997][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.088122][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.088248][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.088374][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.088500][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.088630][  T332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.088763][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.088896][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.089021][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.089148][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.089277][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.089407][  T332]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.089537][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.089663][  T332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.089800][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.089932][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.090060][  T332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.090188][  T332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.090315][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.090441][  T332]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.090572][  T332]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.090704][  T332]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.090833][  T332]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.090966][  T332]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.091091][  T332]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.091251][  T332]  ? move_addr_to_kernel (net/socket.c:258)
[   15.091377][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.091502][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.091634][  T332]  ___sys_sendmsg (net/socket.c:2752)
[   15.091767][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.091931][  T332]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.092070][  T332]  __sys_sendmsg (net/socket.c:2784)
[   15.092197][  T332]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.092322][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.092481][  T332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.092610][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.092743][  T332]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.092874][  T332]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.093002][  T332]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.093129][  T332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.093286][  T332] RIP: 0033:0x7f481a22c08e
[   15.093419][  T332] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.093880][  T332] RSP: 002b:00007fff725dac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.094070][  T332] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f481a22c08e
[   15.094257][  T332] RDX: 0000000000000000 RSI: 00007fff725dad30 RDI: 0000000000000005
[   15.094444][  T332] RBP: 00007fff725dac90 R08: 0000000000000000 R09: 0000000000000000
[   15.094637][  T332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.094830][  T332] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff725db400
| [   15.097370][  T332] ------------[ cut here ]------------
| [   15.097497][  T332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/332
| [   15.097724][  T332] Modules linked in:
| [   15.098085][  T332] Tainted: [W]=WARN
[   15.098183][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.098344][  T332] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.098514][  T332] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.098977][  T332] RSP: 0018:ffa0000001086fc0 EFLAGS: 00010286
[   15.099140][  T332] RAX: 00000000ffffffa6 RBX: ff1100000b726740 RCX: 1ff4000000210dbe
[   15.099331][  T332] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7267fc
[   15.099525][  T332] RBP: ff1100000e62c000 R08: 1fe22000016e4d01 R09: ff110000106fd158
[   15.099722][  T332] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.099915][  T332] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d4a43d0
[   15.100108][  T332] FS:  00007f4819ff2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.100331][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.100490][  T332] CR2: 00007f481a2c21a0 CR3: 0000000010b40004 CR4: 0000000000771ef0
[   15.100692][  T332] PKRU: 55555554
[   15.100787][  T332] Call Trace:
[   15.100888][  T332]  <TASK>
[   15.100955][  T332]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.101085][  T332]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.101215][  T332]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.101314][  T332]  __dev_change_net_namespace (net/core/dev.c:12695)
[   15.101476][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.101609][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.101745][  T332]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.101910][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.102038][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.102167][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.102297][  T332]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.102427][  T332]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.102563][  T332]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.102702][  T332]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.102832][  T332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.102997][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.103125][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.103253][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.103380][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.103513][  T332]  ? __kernel_text_address (kernel/extable.c:79)
[   15.103643][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.103776][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.103909][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.104038][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.104166][  T332]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.104292][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.104420][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.104552][  T332]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.104686][  T332]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.104815][  T332]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.104947][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.105077][  T332]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.105206][  T332]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.105336][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.105471][  T332]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.105604][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.105739][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.105871][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.105999][  T332]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.106127][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.106256][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.106384][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.106515][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.106643][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.106775][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.106913][  T332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.107041][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.107169][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.107297][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.107428][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.107560][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.107695][  T332]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.107824][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.107957][  T332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.108090][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.108218][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.108347][  T332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.108477][  T332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.108609][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.108744][  T332]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.108878][  T332]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.109008][  T332]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.109137][  T332]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.109265][  T332]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.109392][  T332]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.109554][  T332]  ? move_addr_to_kernel (net/socket.c:258)
[   15.109688][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.109816][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.109949][  T332]  ___sys_sendmsg (net/socket.c:2752)
[   15.110078][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.110237][  T332]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.110379][  T332]  __sys_sendmsg (net/socket.c:2784)
[   15.110512][  T332]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.110640][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.110809][  T332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.110942][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.111073][  T332]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.111200][  T332]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.111328][  T332]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.111458][  T332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.111621][  T332] RIP: 0033:0x7f481a22c08e
[   15.111761][  T332] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.112222][  T332] RSP: 002b:00007fff725dac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.112415][  T332] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f481a22c08e
[   15.112610][  T332] RDX: 0000000000000000 RSI: 00007fff725dad30 RDI: 0000000000000005
[   15.112806][  T332] RBP: 00007fff725dac90 R08: 0000000000000000 R09: 0000000000000000
[   15.113003][  T332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.113195][  T332] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff725db400
| [   15.115037][  T332] ------------[ cut here ]------------
| [   15.115164][  T332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/332
| [   15.115381][  T332] Modules linked in:
| [   15.115743][  T332] Tainted: [W]=WARN
[   15.115839][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.116182][  T332] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.116349][  T332] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.116810][  T332] RSP: 0018:ffa0000001087038 EFLAGS: 00010286
[   15.116978][  T332] RAX: 00000000ffffffa6 RBX: ff1100000a16aac0 RCX: 1ff4000000210dcd
[   15.117169][  T332] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16ab7c
[   15.117357][  T332] RBP: ff1100000e62c000 R08: 1fe220000142d571 R09: ff110000106fd158
[   15.117549][  T332] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.117743][  T332] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   15.117942][  T332] FS:  00007f4819ff2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.118165][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.118325][  T332] CR2: 00007f481a2c21a0 CR3: 0000000010b40004 CR4: 0000000000771ef0
[   15.118519][  T332] PKRU: 55555554
[   15.118615][  T332] Call Trace:
[   15.118715][  T332]  <TASK>
[   15.118782][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.118913][  T332]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.119041][  T332]  notifier_call_chain (kernel/notifier.c:85)
[   15.119171][  T332]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   15.119298][  T332]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.119462][  T332]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   15.119625][  T332]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.119759][  T332]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.119895][  T332]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   15.120026][  T332]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.120155][  T332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.120316][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.120442][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.120573][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.120706][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.120833][  T332]  ? __kernel_text_address (kernel/extable.c:79)
[   15.120966][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.121096][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.121223][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.121350][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.121477][  T332]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.121608][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.121739][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.121873][  T332]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.122003][  T332]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.122131][  T332]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.122258][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.122388][  T332]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.122517][  T332]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.122649][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.122786][  T332]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.122918][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.123045][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.123173][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.123300][  T332]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.123425][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.123555][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.123688][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.123815][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.123946][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.124075][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.124203][  T332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.124330][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.124457][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.124587][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.124724][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.124853][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.124988][  T332]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.125116][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.125245][  T332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.125376][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.125505][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.125638][  T332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.125773][  T332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.125907][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.126036][  T332]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.126164][  T332]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.126293][  T332]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.126421][  T332]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.126551][  T332]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.126683][  T332]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.126840][  T332]  ? move_addr_to_kernel (net/socket.c:258)
[   15.126974][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.127101][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.127229][  T332]  ___sys_sendmsg (net/socket.c:2752)
[   15.127357][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.127519][  T332]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.127659][  T332]  __sys_sendmsg (net/socket.c:2784)
[   15.127794][  T332]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.127931][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.128092][  T332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.128220][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.128348][  T332]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.128474][  T332]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.128605][  T332]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.128738][  T332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.128901][  T332] RIP: 0033:0x7f481a22c08e
[   15.129034][  T332] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.129486][  T332] RSP: 002b:00007fff725dac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.129683][  T332] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f481a22c08e
[   15.129877][  T332] RDX: 0000000000000000 RSI: 00007fff725dad30 RDI: 0000000000000005
[   15.130069][  T332] RBP: 00007fff725dac90 R08: 0000000000000000 R09: 0000000000000000
[   15.130259][  T332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.130450][  T332] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff725db400
| [   15.132592][  T332] ------------[ cut here ]------------
| [   15.132732][  T332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/332
| [   15.132960][  T332] Modules linked in:
| [   15.133319][  T332] Tainted: [W]=WARN
[   15.133417][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.133583][  T332] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.133756][  T332] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.134219][  T332] RSP: 0018:ffa0000001087020 EFLAGS: 00010286
[   15.134383][  T332] RAX: 00000000ffffffa6 RBX: ff1100000a16a580 RCX: 1ff4000000210dca
[   15.134579][  T332] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a63c
[   15.134775][  T332] RBP: ff1100000e62c000 R08: 1fe220000142d4c9 R09: ff110000106fd158
[   15.134973][  T332] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.135167][  T332] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.135362][  T332] FS:  00007f4819ff2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.135588][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.135754][  T332] CR2: 00007f481a2c21a0 CR3: 0000000010b40004 CR4: 0000000000771ef0
[   15.135952][  T332] PKRU: 55555554
[   15.136049][  T332] Call Trace:
[   15.136145][  T332]  <TASK>
[   15.136212][  T332]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.136343][  T332]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.136442][  T332]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.136576][  T332]  __dev_notify_flags (net/core/dev.c:9787)
[   15.136712][  T332]  ? netif_change_name (net/core/dev.c:1495)
[   15.136841][  T332]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.136975][  T332]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.137104][  T332]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   15.137265][  T332]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.137397][  T332]  netif_change_flags (net/core/dev.c:9820)
[   15.137531][  T332]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.137664][  T332]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.137800][  T332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.137967][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.138097][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.138228][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.138358][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.138487][  T332]  ? __kernel_text_address (kernel/extable.c:79)
[   15.138620][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.138758][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.138894][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.139023][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.139153][  T332]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.139281][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.139410][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.139544][  T332]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.139679][  T332]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.139810][  T332]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.139943][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.140075][  T332]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.140204][  T332]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.140335][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.140469][  T332]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.140603][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.140737][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.140873][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.141092][  T332]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.141221][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.141353][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.141482][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.141705][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.141835][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.141976][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.142106][  T332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.142321][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.142450][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.142581][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.142716][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.142936][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.143066][  T332]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.143196][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.143326][  T332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.143549][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.143682][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.143814][  T332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.143952][  T332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.144169][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.144299][  T332]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.144431][  T332]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.144565][  T332]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.144787][  T332]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.144922][  T332]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.145051][  T332]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.145212][  T332]  ? move_addr_to_kernel (net/socket.c:258)
[   15.145428][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.145563][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.145701][  T332]  ___sys_sendmsg (net/socket.c:2752)
[   15.145830][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.146082][  T332]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.146224][  T332]  __sys_sendmsg (net/socket.c:2784)
[   15.146353][  T332]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.146571][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.146743][  T332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.146878][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.147009][  T332]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.147223][  T332]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.147352][  T332]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.147482][  T332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.147645][  T332] RIP: 0033:0x7f481a22c08e
[   15.147879][  T332] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.148430][  T332] RSP: 002b:00007fff725dac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.148631][  T332] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f481a22c08e
[   15.148831][  T332] RDX: 0000000000000000 RSI: 00007fff725dad30 RDI: 0000000000000005
[   15.149116][  T332] RBP: 00007fff725dac90 R08: 0000000000000000 R09: 0000000000000000
[   15.149308][  T332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.149503][  T332] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff725db400
| [   15.195408][  T333] ------------[ cut here ]------------
| [   15.195600][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/333
| [   15.195906][  T333] Modules linked in:
| [   15.196372][  T333] Tainted: [W]=WARN
[   15.196522][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.196745][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.196978][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.197495][  T333] RSP: 0018:ffa0000001096e30 EFLAGS: 00010286
[   15.197727][  T333] RAX: 00000000ffffffa6 RBX: ff1100000d636040 RCX: 1ff4000000212d8c
[   15.197985][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6360fc
[   15.198230][  T333] RBP: ff11000008d11000 R08: 1fe2200001ac6c21 R09: ff110000106f2e80
[   15.198473][  T333] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.198733][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d566700
[   15.198996][  T333] FS:  00007f270efa1840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   15.199276][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.199491][  T333] CR2: 000000000042ebe0 CR3: 000000000ed64001 CR4: 0000000000771ef0
[   15.199750][  T333] PKRU: 55555554
[   15.199910][  T333] Call Trace:
[   15.200057][  T333]  <TASK>
[   15.200173][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.200353][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.200539][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.200696][  T333]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   15.200893][  T333]  __dev_notify_flags (net/core/dev.c:9787)
[   15.201075][  T333]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   15.201256][  T333]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   15.201436][  T333]  ? netif_change_name (net/core/dev.c:1495)
[   15.201625][  T333]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.201814][  T333]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.202008][  T333]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.202189][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.202372][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.202561][  T333]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.202749][  T333]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.202943][  T333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.203124][  T333]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.203310][  T333]  veth_newlink (drivers/net/veth.c:1871)
[   15.203493][  T333]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.203687][  T333]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.203884][  T333]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.204065][  T333]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.204264][  T333]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.204448][  T333]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.204641][  T333]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.204832][  T333]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.205026][  T333]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.205211][  T333]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.205396][  T333]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.205587][  T333]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.205777][  T333]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.205979][  T333]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.206168][  T333]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.206352][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.206536][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.206730][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.206928][  T333]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.207111][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.207297][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.207484][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.207679][  T333]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.207878][  T333]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.208061][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.208242][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.208426][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.208616][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.208811][  T333]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.209007][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.209191][  T333]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.209377][  T333]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.209565][  T333]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.209760][  T333]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.209958][  T333]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.210142][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.210325][  T333]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.210513][  T333]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.210708][  T333]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.210908][  T333]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.211089][  T333]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.211271][  T333]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.211486][  T333]  ? move_addr_to_kernel (net/socket.c:258)
[   15.211687][  T333]  ___sys_sendmsg (net/socket.c:2752)
[   15.211881][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.212065][  T333]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.212257][  T333]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.212442][  T333]  __sys_sendmsg (net/socket.c:2784)
[   15.212631][  T333]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.212822][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.213016][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.213199][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.213380][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.213568][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.213759][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.213983][  T333] RIP: 0033:0x7f270f1db08e
[   15.214171][  T333] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.214708][  T333] RSP: 002b:00007ffd9e635850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.214971][  T333] RAX: ffffffffffffffda RBX: 00007ffd9e635ff8 RCX: 00007f270f1db08e
[   15.215219][  T333] RDX: 0000000000000000 RSI: 00007ffd9e635900 RDI: 0000000000000005
[   15.215467][  T333] RBP: 00007ffd9e635860 R08: 0000000000000000 R09: 0000000000000000
[   15.215730][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.215991][  T333] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e635fd0
| [   15.224124][  T333] ------------[ cut here ]------------
| [   15.224303][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/333
| [   15.224586][  T333] Modules linked in:
| [   15.225069][  T333] Tainted: [W]=WARN
[   15.225218][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.225430][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.225657][  T333] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.226759][  T333] RSP: 0018:ffa00000010971b0 EFLAGS: 00010286
[   15.227039][  T333] RAX: 00000000ffffffa6 RBX: ff1100000f1b5380 RCX: 1ff4000000212dfc
[   15.227339][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b543c
[   15.227645][  T333] RBP: ff1100001003c000 R08: 1fe2200001e36a89 R09: ff110000106f2e80
[   15.227964][  T333] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.228274][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   15.228580][  T333] FS:  00007f270efa1840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   15.228935][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.229201][  T333] CR2: 000000000042ebe0 CR3: 000000000ed64001 CR4: 0000000000771ef0
[   15.229502][  T333] PKRU: 55555554
[   15.229720][  T333] Call Trace:
[   15.229936][  T333]  <TASK>
[   15.230104][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.230339][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.230552][  T333]  __dev_notify_flags (net/core/dev.c:9787)
[   15.230797][  T333]  ? netif_change_name (net/core/dev.c:1495)
[   15.231043][  T333]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.231277][  T333]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.231519][  T333]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.231762][  T333]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.232010][  T333]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.232246][  T333]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.232479][  T333]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.232732][  T333]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.232981][  T333]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.233220][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.233452][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.233700][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.233947][  T333]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.234180][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.234416][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.234658][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.234920][  T333]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.235154][  T333]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.235387][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.235627][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.235888][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.236123][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.236358][  T333]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.236594][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.236838][  T333]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.237088][  T333]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.237321][  T333]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.237565][  T333]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.237806][  T333]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.238053][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.238288][  T333]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.238532][  T333]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.238787][  T333]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.238980][  T333]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.239162][  T333]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.239341][  T333]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.239556][  T333]  ? move_addr_to_kernel (net/socket.c:258)
[   15.239749][  T333]  ___sys_sendmsg (net/socket.c:2752)
[   15.239944][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.240127][  T333]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.240315][  T333]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.240498][  T333]  __sys_sendmsg (net/socket.c:2784)
[   15.240694][  T333]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.240890][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.241069][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.241250][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.241430][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.241617][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.241805][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.242027][  T333] RIP: 0033:0x7f270f1db08e
[   15.242212][  T333] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.242741][  T333] RSP: 002b:00007ffd9e635850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.243002][  T333] RAX: ffffffffffffffda RBX: 00007ffd9e635ff8 RCX: 00007f270f1db08e
[   15.243245][  T333] RDX: 0000000000000000 RSI: 00007ffd9e635900 RDI: 0000000000000005
[   15.243487][  T333] RBP: 00007ffd9e635860 R08: 0000000000000000 R09: 0000000000000000
[   15.243748][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.244004][  T333] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e635fd0
| [   15.291228][  T334] ------------[ cut here ]------------
| [   15.291370][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/334
| [   15.291596][  T334] Modules linked in:
| [   15.291964][  T334] Tainted: [W]=WARN
[   15.292060][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.292220][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.292383][  T334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.292836][  T334] RSP: 0018:ffa00000010a6ff8 EFLAGS: 00010286
[   15.293000][  T334] RAX: 00000000ffffffa6 RBX: ff1100000dc27e00 RCX: 1ff4000000214dc5
[   15.293187][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27ebc
[   15.293373][  T334] RBP: ff11000008d11000 R08: 1fe2200001b84fd9 R09: ff110000106f5158
[   15.293562][  T334] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.293754][  T334] R13: 0000000000000000 R14: ffa00000010a7140 R15: ff1100000f35b4d0
[   15.293952][  T334] FS:  00007fc2a12ce840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.294170][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.294326][  T334] CR2: 000000003b7ba988 CR3: 0000000010b40001 CR4: 0000000000771ef0
[   15.294518][  T334] PKRU: 55555554
[   15.294611][  T334] Call Trace:
[   15.294711][  T334]  <TASK>
[   15.294776][  T334]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   15.294909][  T334]  __dev_change_net_namespace (net/core/dev.c:12635)
[   15.295067][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.295192][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.295319][  T334]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.295473][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.295601][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.295734][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.295860][  T334]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.295992][  T334]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.296119][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.296246][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.296372][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.296531][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.296656][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.296785][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.296913][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.297038][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   15.297163][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.297289][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.297415][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.297544][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.297674][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.297798][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.297929][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.298055][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.298179][  T334]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.298304][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.298429][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.298558][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.298688][  T334]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.298816][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.298947][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.299074][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.299199][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.299323][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.299450][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.299577][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.299711][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.299836][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.300053][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.300179][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.300306][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.300434][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.300563][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.300692][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.300817][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.300947][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.301072][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.301198][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.301323][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.301451][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.301582][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.301711][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.301838][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.301970][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.302097][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.302222][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.302348][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.302476][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.302606][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.302737][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.302863][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.303024][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   15.303151][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.303276][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.303404][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   15.303530][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.303691][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.303829][  T334]  __sys_sendmsg (net/socket.c:2784)
[   15.303964][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.304089][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.304247][  T334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.304373][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.304500][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.304628][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.304760][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.304890][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.305044][  T334] RIP: 0033:0x7fc2a150808e
[   15.305175][  T334] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.305624][  T334] RSP: 002b:00007fffb39d6f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.305818][  T334] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc2a150808e
[   15.306011][  T334] RDX: 0000000000000000 RSI: 00007fffb39d6fd0 RDI: 0000000000000005
[   15.306199][  T334] RBP: 00007fffb39d6f30 R08: 0000000000000000 R09: 0000000000000000
[   15.306386][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.306576][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb39d76a0
| [   15.309155][  T334] ------------[ cut here ]------------
| [   15.309282][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/334
| [   15.309498][  T334] Modules linked in:
| [   15.309863][  T334] Tainted: [W]=WARN
[   15.309964][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.310123][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.310288][  T334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.310747][  T334] RSP: 0018:ffa00000010a6fc0 EFLAGS: 00010286
[   15.310910][  T334] RAX: 00000000ffffffa6 RBX: ff1100000dc27000 RCX: 1ff4000000214dbe
[   15.311100][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc270bc
[   15.311289][  T334] RBP: ff11000008d11000 R08: 1fe2200001b84e19 R09: ff110000106f5158
[   15.311479][  T334] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.311675][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f35b4d0
[   15.311881][  T334] FS:  00007fc2a12ce840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.312103][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.312262][  T334] CR2: 000000003b7ba988 CR3: 0000000010b40001 CR4: 0000000000771ef0
[   15.312452][  T334] PKRU: 55555554
[   15.312549][  T334] Call Trace:
[   15.312643][  T334]  <TASK>
[   15.312712][  T334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.312840][  T334]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.312973][  T334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.313070][  T334]  __dev_change_net_namespace (net/core/dev.c:12695)
[   15.313231][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.313358][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.313487][  T334]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.313647][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.313776][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.313910][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.314039][  T334]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.314167][  T334]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.314297][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.314426][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.314558][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.314721][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.314848][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.314981][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.315107][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.315235][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   15.315364][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.315493][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.315624][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.315757][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.315890][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.316017][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.316144][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.316270][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.316398][  T334]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.316529][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.316657][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.316791][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.316923][  T334]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.317053][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.317183][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.317313][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.317439][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.317569][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.317701][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.317828][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.317963][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.318089][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.318215][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.318342][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.318469][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.318600][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.318733][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.318861][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.318992][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.319120][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.319245][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.319372][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.319498][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.319629][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.319767][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.319900][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.320030][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.320159][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.320287][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.320415][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.320555][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.320685][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.320815][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.320946][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.321074][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.321232][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   15.321360][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.321487][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.321617][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   15.321750][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.321912][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.322052][  T334]  __sys_sendmsg (net/socket.c:2784)
[   15.322179][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.322306][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.322467][  T334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.322599][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.322733][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.322862][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.322993][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.323122][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.323279][  T334] RIP: 0033:0x7fc2a150808e
[   15.323411][  T334] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.323880][  T334] RSP: 002b:00007fffb39d6f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.324072][  T334] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc2a150808e
[   15.324262][  T334] RDX: 0000000000000000 RSI: 00007fffb39d6fd0 RDI: 0000000000000005
[   15.324451][  T334] RBP: 00007fffb39d6f30 R08: 0000000000000000 R09: 0000000000000000
[   15.324645][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.324841][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb39d76a0
| [   15.326686][  T334] ------------[ cut here ]------------
| [   15.326812][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/334
| [   15.327039][  T334] Modules linked in:
| [   15.327395][  T334] Tainted: [W]=WARN
[   15.327492][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.327655][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.327826][  T334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.328602][  T334] RSP: 0018:ffa00000010a7038 EFLAGS: 00010286
[   15.328769][  T334] RAX: 00000000ffffffa6 RBX: ff1100000dc26900 RCX: 1ff4000000214dcd
[   15.328965][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc269bc
[   15.329154][  T334] RBP: ff11000008d11000 R08: 1fe2200001b84d39 R09: ff110000106f5158
[   15.329347][  T334] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.329542][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   15.329739][  T334] FS:  00007fc2a12ce840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.329964][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.330122][  T334] CR2: 000000003b7ba988 CR3: 0000000010b40001 CR4: 0000000000771ef0
[   15.330314][  T334] PKRU: 55555554
[   15.330409][  T334] Call Trace:
[   15.330503][  T334]  <TASK>
[   15.330572][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.330706][  T334]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.330834][  T334]  notifier_call_chain (kernel/notifier.c:85)
[   15.330970][  T334]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   15.331098][  T334]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.331260][  T334]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   15.331423][  T334]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.331553][  T334]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.331685][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   15.331815][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.331948][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.332107][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.332237][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.332364][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.332492][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.332623][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   15.332757][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.332892][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.333019][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.333149][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.333278][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.333405][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.333535][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.333663][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.333798][  T334]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.333930][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.334059][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.334190][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.334318][  T334]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.334448][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.334581][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.334713][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.334841][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.334973][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.335102][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.335229][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.335359][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.335486][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.335614][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.335746][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.335880][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.336008][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.336138][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.336265][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.336392][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.336522][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.336650][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.336784][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.336915][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.337043][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.337176][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.337304][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.337433][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.337565][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.337699][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.337828][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.337962][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.338092][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.338221][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.338349][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.338476][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.338639][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   15.338774][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.338907][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.339037][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   15.339163][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.339322][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.339461][  T334]  __sys_sendmsg (net/socket.c:2784)
[   15.339593][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.339726][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.339892][  T334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.340021][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.340149][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.340277][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.340405][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.340536][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.340700][  T334] RIP: 0033:0x7fc2a150808e
[   15.340833][  T334] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.341292][  T334] RSP: 002b:00007fffb39d6f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.341483][  T334] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc2a150808e
[   15.341680][  T334] RDX: 0000000000000000 RSI: 00007fffb39d6fd0 RDI: 0000000000000005
[   15.341878][  T334] RBP: 00007fffb39d6f30 R08: 0000000000000000 R09: 0000000000000000
[   15.342068][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.342259][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb39d76a0
| [   15.347893][  T334] ------------[ cut here ]------------
| [   15.348028][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/334
| [   15.348251][  T334] Modules linked in:
| [   15.348614][  T334] Tainted: [W]=WARN
[   15.348721][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.349390][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.349561][  T334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.350083][  T334] RSP: 0018:ffa00000010a7020 EFLAGS: 00010286
[   15.350245][  T334] RAX: 00000000ffffffa6 RBX: ff1100000dc25380 RCX: 1ff4000000214dca
[   15.350436][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2543c
[   15.350630][  T334] RBP: ff11000008d11000 R08: 1fe2200001b84a89 R09: ff110000106f5158
[   15.350828][  T334] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.351077][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.351272][  T334] FS:  00007fc2a12ce840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.351556][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.351720][  T334] CR2: 000000003b7ba988 CR3: 0000000010b40001 CR4: 0000000000771ef0
[   15.351968][  T334] PKRU: 55555554
[   15.352064][  T334] Call Trace:
[   15.352160][  T334]  <TASK>
[   15.352226][  T334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.352355][  T334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.352453][  T334]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.352582][  T334]  __dev_notify_flags (net/core/dev.c:9787)
[   15.352717][  T334]  ? netif_change_name (net/core/dev.c:1495)
[   15.352846][  T334]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.353032][  T334]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.353161][  T334]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   15.353322][  T334]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.353453][  T334]  netif_change_flags (net/core/dev.c:9820)
[   15.353584][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.353719][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.353849][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.354066][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.354195][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.354323][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.354451][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.354582][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   15.354713][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.354844][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.355026][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.355157][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.355287][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.355415][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.355547][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.355680][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.355812][  T334]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.355999][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.356129][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.356259][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.356388][  T334]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.356521][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.356655][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.356793][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.356976][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.357107][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.357236][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.357365][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.357496][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.357627][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.357761][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.357947][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.358077][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.358206][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.358334][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.358463][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.358595][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.358730][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.358858][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.359045][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.359172][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.359301][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.359433][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.359564][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.359701][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.359832][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.360016][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.360147][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.360277][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.360407][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.360540][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.360673][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.360803][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.361016][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   15.361148][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.361277][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.361408][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   15.361538][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.361702][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.361843][  T334]  __sys_sendmsg (net/socket.c:2784)
[   15.362025][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.362156][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.362317][  T334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.362446][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.362580][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.362713][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.362841][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.363023][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.363182][  T334] RIP: 0033:0x7fc2a150808e
[   15.363317][  T334] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.363781][  T334] RSP: 002b:00007fffb39d6f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.364029][  T334] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc2a150808e
[   15.364223][  T334] RDX: 0000000000000000 RSI: 00007fffb39d6fd0 RDI: 0000000000000005
[   15.364415][  T334] RBP: 00007fffb39d6f30 R08: 0000000000000000 R09: 0000000000000000
[   15.364610][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.364805][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb39d76a0
| [   15.445386][  T337] ------------[ cut here ]------------
| [   15.445553][  T337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/337
| [   15.445786][  T337] Modules linked in:
| [   15.446273][  T337] Tainted: [W]=WARN
[   15.446372][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.446540][  T337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.446740][  T337] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.447274][  T337] RSP: 0018:ffa00000010d7020 EFLAGS: 00010286
[   15.447438][  T337] RAX: 00000000ffffffa6 RBX: ff11000008bfec80 RCX: 1ff400000021adca
[   15.447634][  T337] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008bfed3c
[   15.447835][  T337] RBP: ff1100000e629000 R08: 1fe220000117fda9 R09: ff1100000f0bd158
[   15.448117][  T337] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.448310][  T337] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.448506][  T337] FS:  00007f7c99e74840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.448741][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.448969][  T337] CR2: 0000000025ef9988 CR3: 000000000a981003 CR4: 0000000000771ef0
[   15.449163][  T337] PKRU: 55555554
[   15.449259][  T337] Call Trace:
[   15.449355][  T337]  <TASK>
[   15.449423][  T337]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.449556][  T337]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.449654][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.449790][  T337]  __dev_notify_flags (net/core/dev.c:9787)
[   15.450009][  T337]  ? netif_change_name (net/core/dev.c:1495)
[   15.450140][  T337]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.450270][  T337]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.450399][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.450533][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.450665][  T337]  netif_change_flags (net/core/dev.c:9820)
[   15.450802][  T337]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.451021][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.451153][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.451284][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.451446][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.451578][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.451712][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.451843][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.452024][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   15.452154][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.452286][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.452414][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.452548][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.452682][  T337]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.452810][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.452992][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.453121][  T337]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.453251][  T337]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.453381][  T337]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.453513][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.453645][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.453781][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.454003][  T337]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.454138][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.454267][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.454398][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.454530][  T337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.454660][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.454797][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.454932][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.455062][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.455191][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.455320][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.455450][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.455582][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.455715][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.455845][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.455978][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.456108][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.456239][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.456369][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.456499][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.456636][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.456772][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.456914][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.457046][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.457179][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.457310][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.457441][  T337]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.457576][  T337]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.457712][  T337]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.457843][  T337]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.457975][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.458137][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   15.458269][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.458398][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.458532][  T337]  ___sys_sendmsg (net/socket.c:2752)
[   15.458663][  T337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.458830][  T337]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.458977][  T337]  __sys_sendmsg (net/socket.c:2784)
[   15.459109][  T337]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.459238][  T337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.459401][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.459534][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.459666][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.459801][  T337]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.459937][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.460068][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.460229][  T337] RIP: 0033:0x7f7c9a0ae08e
[   15.460365][  T337] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.460835][  T337] RSP: 002b:00007fff84746470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.461041][  T337] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c9a0ae08e
[   15.461234][  T337] RDX: 0000000000000000 RSI: 00007fff84746520 RDI: 0000000000000005
[   15.461427][  T337] RBP: 00007fff84746480 R08: 0000000000000000 R09: 0000000000000000
[   15.461624][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.461826][  T337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff84746bf0
| [   15.464420][   T71] ------------[ cut here ]------------
| [   15.464554][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/71
| [   15.464796][   T71] Modules linked in:
| [   15.465171][   T71] Tainted: [W]=WARN
[   15.465262][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.465413][   T71] Workqueue: events_unbound linkwatch_event
[   15.465570][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.465732][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.466183][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   15.466336][   T71] RAX: 00000000ffffffa6 RBX: ff11000008bffc40 RCX: 1ff4000000098f02
[   15.466518][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008bffcfc
[   15.466700][   T71] RBP: ff1100000e629000 R08: 1fe220000117ffa1 R09: ff11000009d32ea8
[   15.466895][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.467073][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.467253][   T71] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   15.467476][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.467629][   T71] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[   15.467815][   T71] PKRU: 55555554
[   15.467911][   T71] Call Trace:
[   15.468001][   T71]  <TASK>
[   15.468064][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.468185][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.468310][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.468402][   T71]  netif_state_change (net/core/dev.c:1605)
[   15.468524][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.468684][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.468805][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.468932][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.469055][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.469174][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.469295][   T71]  process_one_work (kernel/workqueue.c:3314)
[   15.469419][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.469542][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.469674][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.469796][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.469921][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.470042][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.470161][   T71]  kthread (kernel/kthread.c:436)
[   15.470251][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.470399][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.470520][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.470642][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.470797][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.470925][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.471045][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.472894][   T71] ------------[ cut here ]------------
| [   15.473015][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/71
| [   15.473249][   T71] Modules linked in:
| [   15.473613][   T71] Tainted: [W]=WARN
[   15.473710][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.473861][   T71] Workqueue: events_unbound linkwatch_event
[   15.474046][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.474201][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.474638][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   15.474798][   T71] RAX: 00000000ffffffa6 RBX: ff1100000c2831c0 RCX: 1ff4000000098f02
[   15.474988][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c28327c
[   15.475167][   T71] RBP: ff1100000e62c000 R08: 1fe2200001850651 R09: ff11000009d32ea8
[   15.475346][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.475531][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.475715][   T71] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   15.475932][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.476083][   T71] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[   15.476268][   T71] PKRU: 55555554
[   15.476358][   T71] Call Trace:
[   15.476451][   T71]  <TASK>
[   15.476521][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.476641][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.476769][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.476863][   T71]  netif_state_change (net/core/dev.c:1605)
[   15.476990][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.477139][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.477259][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.477381][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.477503][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.477625][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.477753][   T71]  process_one_work (kernel/workqueue.c:3314)
[   15.477882][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.478006][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.478129][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.478250][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.478368][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.478492][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.478614][   T71]  kthread (kernel/kthread.c:436)
[   15.478709][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.478859][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.478985][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.479106][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.479260][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.479379][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.479498][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.604036][  T342] ------------[ cut here ]------------
| [   15.604219][  T342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/342
| [   15.604494][  T342] Modules linked in:
| [   15.604981][  T342] Tainted: [W]=WARN
[   15.605126][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.605337][  T342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.605564][  T342] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.606084][  T342] RSP: 0018:ffa00000010e7020 EFLAGS: 00010286
[   15.606297][  T342] RAX: 00000000ffffffa6 RBX: ff1100000a16b000 RCX: 1ff400000021cdca
[   15.606541][  T342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b0bc
[   15.606790][  T342] RBP: ff1100001003c000 R08: 1fe220000142d619 R09: ff1100000fc35158
[   15.607044][  T342] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.607285][  T342] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.607530][  T342] FS:  00007f53bb9fb840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   15.607812][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.608034][  T342] CR2: 00000000267eb988 CR3: 000000000e730006 CR4: 0000000000771ef0
[   15.608275][  T342] PKRU: 55555554
[   15.608419][  T342] Call Trace:
[   15.608570][  T342]  <TASK>
[   15.608691][  T342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.608885][  T342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.609033][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.609211][  T342]  __dev_notify_flags (net/core/dev.c:9787)
[   15.609394][  T342]  ? netif_change_name (net/core/dev.c:1495)
[   15.609581][  T342]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.609768][  T342]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.609957][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.610136][  T342]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.610316][  T342]  netif_change_flags (net/core/dev.c:9820)
[   15.610494][  T342]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.610686][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.610882][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.611060][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.611270][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.611448][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.611632][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.611815][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.612007][  T342]  ? __kernel_text_address (kernel/extable.c:79)
[   15.612184][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.612363][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.612542][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.612732][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.612925][  T342]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.613106][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.613285][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.613466][  T342]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.613652][  T342]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.613838][  T342]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.614031][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.614210][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.614392][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.614581][  T342]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.614772][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.614963][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.615143][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.615318][  T342]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.615494][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.615688][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.615880][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.616057][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.616235][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.616414][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.616598][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.616783][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.616973][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.617150][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.617329][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.617503][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.617695][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.617885][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.618063][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.618243][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.618418][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.618605][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.618794][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.618983][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.619161][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.619340][  T342]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.619521][  T342]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.619709][  T342]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.619899][  T342]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.620075][  T342]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.620282][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   15.620461][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.620647][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.620835][  T342]  ___sys_sendmsg (net/socket.c:2752)
[   15.621022][  T342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.621230][  T342]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.621418][  T342]  __sys_sendmsg (net/socket.c:2784)
[   15.621603][  T342]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.621788][  T342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.622015][  T342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.622193][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.622372][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.622554][  T342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.622741][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.622934][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.623141][  T342] RIP: 0033:0x7f53bbc3508e
[   15.623324][  T342] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.623846][  T342] RSP: 002b:00007ffdf62721b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.624102][  T342] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f53bbc3508e
[   15.624343][  T342] RDX: 0000000000000000 RSI: 00007ffdf6272260 RDI: 0000000000000005
[   15.624589][  T342] RBP: 00007ffdf62721c0 R08: 0000000000000000 R09: 0000000000000000
[   15.624837][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.625090][  T342] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf6272930
| [   15.627891][   T38] ------------[ cut here ]------------
| [   15.628022][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   15.628259][   T38] Modules linked in:
| [   15.628627][   T38] Tainted: [W]=WARN
[   15.628722][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.628875][   T38] Workqueue: events_unbound linkwatch_event
[   15.629027][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.629178][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.629608][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   15.629761][   T38] RAX: 00000000ffffffa6 RBX: ff1100000b962ac0 RCX: 1ff4000000055f02
[   15.629950][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962b7c
[   15.630125][   T38] RBP: ff11000008d11000 R08: 1fe220000172c571 R09: ff11000001da2ea8
[   15.630303][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.630478][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.630660][   T38] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.630878][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.631028][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[   15.631206][   T38] PKRU: 55555554
[   15.631294][   T38] Call Trace:
[   15.631388][   T38]  <TASK>
[   15.631450][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.631574][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.631699][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.631796][   T38]  netif_state_change (net/core/dev.c:1605)
[   15.631924][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.632074][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.632193][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.632312][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.632433][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.632554][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.632678][   T38]  process_one_work (kernel/workqueue.c:3314)
[   15.632802][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.632927][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.633051][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.633174][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.633293][   T38]  kthread (kernel/kthread.c:436)
[   15.633384][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.633534][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.633654][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.633781][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.633935][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.634054][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.634173][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.663477][  T343] ------------[ cut here ]------------
| [   15.663652][  T343] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/343
| [   15.664055][  T343] Modules linked in:
| [   15.664501][  T343] Tainted: [W]=WARN
[   15.664652][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.664865][  T343] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.665092][  T343] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.665595][  T343] RSP: 0018:ffa00000010e7150 EFLAGS: 00010286
[   15.665810][  T343] RAX: 00000000ffffffa6 RBX: ff1100000b727c40 RCX: 1ff400000021cdf0
[   15.666080][  T343] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b727cfc
[   15.666315][  T343] RBP: ff1100001003c000 R08: 1fe22000016e4fa1 R09: ff1100000ec52e58
[   15.666558][  T343] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   15.666804][  T343] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc49fc0
[   15.667057][  T343] FS:  00007f0893a97840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   15.667328][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.667538][  T343] CR2: 00000000004eba70 CR3: 000000000e730003 CR4: 0000000000771ef0
[   15.667786][  T343] PKRU: 55555554
[   15.667943][  T343] Call Trace:
[   15.668086][  T343]  <TASK>
[   15.668199][  T343]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.668375][  T343]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.668557][  T343]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.668712][  T343]  netif_state_change (net/core/dev.c:1605)
[   15.668901][  T343]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.669107][  T343]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   15.669316][  T343]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   15.669492][  T343]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   15.669681][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.669855][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.670043][  T343]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   15.670217][  T343]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.670392][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.670576][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.670778][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.670967][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.671143][  T343]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.671318][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.671497][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.671691][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.671881][  T343]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   15.672057][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.672231][  T343]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.672405][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.672586][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.672777][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.672966][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.673142][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.673314][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.673489][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.673680][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.673854][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.674044][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.674223][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.674399][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.674584][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.674770][  T343]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.674959][  T343]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.675135][  T343]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.675310][  T343]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.675488][  T343]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.675704][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   15.675896][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.676072][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.676277][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.676451][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.676664][  T343]  ___sys_sendmsg (net/socket.c:2752)
[   15.676850][  T343]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.677038][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.677220][  T343]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   15.677394][  T343]  ? do_getsockname (net/socket.c:2192)
[   15.677579][  T343]  __sys_sendmsg (net/socket.c:2784)
[   15.677765][  T343]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.677953][  T343]  ? __sys_getsockname (net/socket.c:2210)
[   15.678126][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.678303][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.678478][  T343]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.678656][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.678839][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.679055][  T343] RIP: 0033:0x7f0893cd108e
[   15.679234][  T343] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.679747][  T343] RSP: 002b:00007ffcf4c3df70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.679998][  T343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0893cd108e
[   15.680235][  T343] RDX: 0000000000000000 RSI: 00007ffcf4c3e020 RDI: 0000000000000006
[   15.680474][  T343] RBP: 00007ffcf4c3df80 R08: 0000000000000000 R09: 0000000000000000
[   15.680722][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfb
[   15.680974][  T343] R13: 00007ffcf4c3e0d0 R14: 00007ffcf4c4184c R15: 0000000000000000
| [   15.843580][  T349] ------------[ cut here ]------------
| [   15.843777][  T349] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/349
| [   15.844072][  T349] Modules linked in:
| [   15.844552][  T349] Tainted: [W]=WARN
[   15.844708][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.844934][  T349] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.845155][  T349] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.845686][  T349] RSP: 0018:ffa00000011371b0 EFLAGS: 00010286
[   15.845913][  T349] RAX: 00000000ffffffa6 RBX: ff1100000b963000 RCX: 1ff4000000226dfc
[   15.846161][  T349] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9630bc
[   15.846405][  T349] RBP: ff11000010241000 R08: 1fe220000172c619 R09: ff1100000ff58b80
[   15.846655][  T349] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.846918][  T349] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   15.847167][  T349] FS:  00007fa33ab81840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   15.847446][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.847677][  T349] CR2: 00000000004a2860 CR3: 0000000007d9d004 CR4: 0000000000771ef0
[   15.847956][  T349] PKRU: 55555554
[   15.848100][  T349] Call Trace:
[   15.848246][  T349]  <TASK>
[   15.848361][  T349]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.848549][  T349]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.848707][  T349]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   15.848903][  T349]  __dev_notify_flags (net/core/dev.c:9787)
[   15.849085][  T349]  ? netif_change_name (net/core/dev.c:1495)
[   15.849264][  T349]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   15.849448][  T349]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   15.849635][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.849818][  T349]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   15.850014][  T349]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.850196][  T349]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.850377][  T349]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   15.850565][  T349]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.850759][  T349]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.850951][  T349]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.851132][  T349]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.851318][  T349]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.851502][  T349]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.851699][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.851891][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.852072][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.852251][  T349]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.852430][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.852624][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.852814][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.853010][  T349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.853192][  T349]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.853372][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.853557][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.853751][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.853943][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.854126][  T349]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.854306][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.854488][  T349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.854686][  T349]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.854940][  T349]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.855127][  T349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.855310][  T349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.855490][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.855683][  T349]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.855881][  T349]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.856061][  T349]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.856243][  T349]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.856424][  T349]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.856613][  T349]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.856833][  T349]  ? move_addr_to_kernel (net/socket.c:258)
[   15.857028][  T349]  ___sys_sendmsg (net/socket.c:2752)
[   15.857209][  T349]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.857393][  T349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.857620][  T349]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.857811][  T349]  __sys_sendmsg (net/socket.c:2784)
[   15.858005][  T349]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.858188][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.858370][  T349]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.858555][  T349]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.858744][  T349]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.858938][  T349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.859147][  T349] RIP: 0033:0x7fa33adbb08e
[   15.859332][  T349] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.859878][  T349] RSP: 002b:00007ffea42e82d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.860123][  T349] RAX: ffffffffffffffda RBX: 00007ffea42e8a78 RCX: 00007fa33adbb08e
[   15.860367][  T349] RDX: 0000000000000000 RSI: 00007ffea42e8380 RDI: 0000000000000005
[   15.860621][  T349] RBP: 00007ffea42e82e0 R08: 0000000000000000 R09: 0000000000000000
[   15.860884][  T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfc
[   15.861128][  T349] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea42e8a50
| [   15.896368][  T350] ------------[ cut here ]------------
| [   15.896519][  T350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/350
| [   15.896752][  T350] Modules linked in:
| [   15.897298][  T350] Tainted: [W]=WARN
[   15.897396][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.897561][  T350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.897736][  T350] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.898196][  T350] RSP: 0018:ffa0000001147020 EFLAGS: 00010286
[   15.898359][  T350] RAX: 00000000ffffffa6 RBX: ff1100000b963700 RCX: 1ff4000000228dca
[   15.898553][  T350] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9637bc
[   15.898748][  T350] RBP: ff11000010241000 R08: 1fe220000172c6f9 R09: ff110000107eae58
[   15.898943][  T350] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.899133][  T350] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.899327][  T350] FS:  00007f220c0f9840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   15.899553][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.899718][  T350] CR2: 000000003d920988 CR3: 00000000079e3001 CR4: 0000000000771ef0
[   15.899916][  T350] PKRU: 55555554
[   15.900012][  T350] Call Trace:
[   15.900109][  T350]  <TASK>
[   15.900176][  T350]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.900307][  T350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.900405][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.900537][  T350]  __dev_notify_flags (net/core/dev.c:9787)
[   15.900676][  T350]  ? netif_change_name (net/core/dev.c:1495)
[   15.900806][  T350]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.900941][  T350]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.901070][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.901198][  T350]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.901330][  T350]  netif_change_flags (net/core/dev.c:9820)
[   15.901459][  T350]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.901592][  T350]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.901728][  T350]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.901860][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.902025][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.902152][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.902279][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.902406][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.902538][  T350]  ? __kernel_text_address (kernel/extable.c:79)
[   15.902673][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.902806][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.902938][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.903066][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.903194][  T350]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.903322][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.903450][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.903582][  T350]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.903716][  T350]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.903845][  T350]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.903977][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.904107][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.904238][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.904369][  T350]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.904500][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.904630][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.904765][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.904897][  T350]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.905025][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.905156][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.905284][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.905413][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.905545][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.905677][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.905808][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.905941][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.906069][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.906197][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.906327][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.906453][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.906584][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.906716][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.906846][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.906982][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.907111][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.907242][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.907371][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.907498][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.907631][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.907767][  T350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.907901][  T350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.908030][  T350]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.908157][  T350]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.908285][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.908442][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   15.908575][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.908709][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.908838][  T350]  ___sys_sendmsg (net/socket.c:2752)
[   15.908976][  T350]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.909134][  T350]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.909273][  T350]  __sys_sendmsg (net/socket.c:2784)
[   15.909401][  T350]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.909533][  T350]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.909701][  T350]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.909830][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.909965][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.910093][  T350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.910220][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.910348][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.910510][  T350] RIP: 0033:0x7f220c33308e
[   15.910646][  T350] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.911107][  T350] RSP: 002b:00007ffd194a9290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.911300][  T350] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f220c33308e
[   15.911489][  T350] RDX: 0000000000000000 RSI: 00007ffd194a9340 RDI: 0000000000000005
[   15.911688][  T350] RBP: 00007ffd194a92a0 R08: 0000000000000000 R09: 0000000000000000
[   15.911882][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfc
[   15.912075][  T350] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd194a9a10
| [   16.052808][  T355] ------------[ cut here ]------------
| [   16.052962][  T355] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/355
| [   16.053194][  T355] Modules linked in:
| [   16.053566][  T355] Tainted: [W]=WARN
[   16.053667][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.053837][  T355] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.054013][  T355] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.054477][  T355] RSP: 0018:ffa0000000d671b0 EFLAGS: 00010286
[   16.054647][  T355] RAX: 00000000ffffffa6 RBX: ff110000105f2e40 RCX: 1ff40000001acdfc
[   16.054848][  T355] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2efc
[   16.055049][  T355] RBP: ff11000008691000 R08: 1fe22000020be5e1 R09: ff1100000ec55180
[   16.055244][  T355] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.055442][  T355] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   16.055645][  T355] FS:  00007fc65eab2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   16.055882][  T355] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.056049][  T355] CR2: 00000000004a2860 CR3: 000000000ed62002 CR4: 0000000000771ef0
[   16.056250][  T355] PKRU: 55555554
[   16.056349][  T355] Call Trace:
[   16.056447][  T355]  <TASK>
[   16.056519][  T355]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.056653][  T355]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.056761][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.056901][  T355]  __dev_notify_flags (net/core/dev.c:9787)
[   16.057034][  T355]  ? netif_change_name (net/core/dev.c:1495)
[   16.057165][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.057296][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.057428][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.057562][  T355]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.057699][  T355]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   16.057831][  T355]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.057968][  T355]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   16.058100][  T355]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.058233][  T355]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.058364][  T355]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.058497][  T355]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.058639][  T355]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.058781][  T355]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.059413][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.059548][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.059683][  T355]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.059814][  T355]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.059950][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.060086][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.060222][  T355]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.060353][  T355]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.060483][  T355]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.060616][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.060752][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.060891][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.061024][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.061156][  T355]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.061287][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.061418][  T355]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.061555][  T355]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.061689][  T355]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.061822][  T355]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.061960][  T355]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.062093][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.062226][  T355]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.062358][  T355]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.062490][  T355]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.062627][  T355]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.062763][  T355]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.062901][  T355]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.063067][  T355]  ? move_addr_to_kernel (net/socket.c:258)
[   16.063204][  T355]  ___sys_sendmsg (net/socket.c:2752)
[   16.063335][  T355]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.063470][  T355]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.063643][  T355]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   16.063784][  T355]  __sys_sendmsg (net/socket.c:2784)
[   16.063919][  T355]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.064054][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.064188][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.064320][  T355]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.064451][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.064584][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.064751][  T355] RIP: 0033:0x7fc65ecec08e
[   16.064895][  T355] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.065367][  T355] RSP: 002b:00007ffee70e7ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.065569][  T355] RAX: ffffffffffffffda RBX: 00007ffee70e8278 RCX: 00007fc65ecec08e
[   16.065771][  T355] RDX: 0000000000000000 RSI: 00007ffee70e7b80 RDI: 0000000000000005
[   16.065975][  T355] RBP: 00007ffee70e7ae0 R08: 0000000000000000 R09: 0000000000000000
[   16.066172][  T355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfc
[   16.066369][  T355] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee70e8250
| [   16.095822][  T356] ------------[ cut here ]------------
| [   16.095982][  T356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/356
| [   16.096207][  T356] Modules linked in:
| [   16.096569][  T356] Tainted: [W]=WARN
[   16.096668][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.096837][  T356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.097011][  T356] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.097466][  T356] RSP: 0018:ffa0000001157020 EFLAGS: 00010286
[   16.097633][  T356] RAX: 00000000ffffffa6 RBX: ff1100000b7d4c80 RCX: 1ff400000022adca
[   16.097831][  T356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4d3c
[   16.098028][  T356] RBP: ff11000008691000 R08: 1fe22000016fa9a9 R09: ff1100000e680b58
[   16.098223][  T356] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   16.098414][  T356] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.098614][  T356] FS:  00007f0c13cbc840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   16.098843][  T356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.099009][  T356] CR2: 000000000a839988 CR3: 000000000ed62001 CR4: 0000000000771ef0
[   16.099204][  T356] PKRU: 55555554
[   16.099300][  T356] Call Trace:
[   16.099398][  T356]  <TASK>
[   16.099464][  T356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.099599][  T356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.099703][  T356]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.099831][  T356]  __dev_notify_flags (net/core/dev.c:9787)
[   16.099968][  T356]  ? netif_change_name (net/core/dev.c:1495)
[   16.100099][  T356]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.100229][  T356]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.100361][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.100491][  T356]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.100626][  T356]  netif_change_flags (net/core/dev.c:9820)
[   16.100762][  T356]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.100898][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.101030][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.101162][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.101323][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.101451][  T356]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.101582][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.101716][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.101846][  T356]  ? __kernel_text_address (kernel/extable.c:79)
[   16.101981][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.102113][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.102242][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.102372][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.102500][  T356]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.102633][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.102768][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.102904][  T356]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.103037][  T356]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.103168][  T356]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.103298][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.103430][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.103565][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.103703][  T356]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.103834][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.103969][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.104099][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.104228][  T356]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.104356][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.104488][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.104616][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.104746][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.104880][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.105010][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.105140][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.105268][  T356]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.105395][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.105523][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.105654][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.105787][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.105922][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.106051][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.106180][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.106311][  T356]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.106438][  T356]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.106573][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.106707][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.106836][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.106971][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.107104][  T356]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.107234][  T356]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.107363][  T356]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.107492][  T356]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.107625][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.107788][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   16.107923][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.108054][  T356]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.108184][  T356]  ___sys_sendmsg (net/socket.c:2752)
[   16.108311][  T356]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.108472][  T356]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.108617][  T356]  __sys_sendmsg (net/socket.c:2784)
[   16.108752][  T356]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.108884][  T356]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.109047][  T356]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.109176][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.109306][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.109435][  T356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.109567][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.109702][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.109861][  T356] RIP: 0033:0x7f0c13ef608e
[   16.110002][  T356] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.110465][  T356] RSP: 002b:00007ffc60437ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.110663][  T356] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0c13ef608e
[   16.110860][  T356] RDX: 0000000000000000 RSI: 00007ffc604380a0 RDI: 0000000000000005
[   16.111060][  T356] RBP: 00007ffc60438000 R08: 0000000000000000 R09: 0000000000000000
[   16.111251][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfc
[   16.111442][  T356] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc60438770
| [   16.243043][  T361] ------------[ cut here ]------------
| [   16.243188][  T361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/361
| [   16.243410][  T361] Modules linked in:
| [   16.243777][  T361] Tainted: [W]=WARN
[   16.244403][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.244566][  T361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.244738][  T361] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.245198][  T361] RSP: 0018:ffa00000011a7060 EFLAGS: 00010286
[   16.245357][  T361] RAX: 00000000ffffffa6 RBX: ff1100000fc4ac80 RCX: 1ff4000000234dd2
[   16.245548][  T361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4ad3c
[   16.245743][  T361] RBP: ff11000008d11000 R08: 1fe2200001f895a9 R09: ff1100000fe5d158
[   16.245935][  T361] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   16.246123][  T361] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   16.246313][  T361] FS:  00007ff4acbbc840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   16.246539][  T361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.246706][  T361] CR2: 000000000ce9d988 CR3: 000000000ed62003 CR4: 0000000000771ef0
[   16.246907][  T361] PKRU: 55555554
[   16.247002][  T361] Call Trace:
[   16.247097][  T361]  <TASK>
[   16.247163][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.247291][  T361]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   16.247444][  T361]  notifier_call_chain (kernel/notifier.c:85)
[   16.247579][  T361]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   16.247714][  T361]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   16.247840][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.247973][  T361]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   16.248100][  T361]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   16.248228][  T361]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   16.248356][  T361]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.248483][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.248643][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.248776][  T361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.249000][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.249127][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.249252][  T361]  ? __kernel_text_address (kernel/extable.c:79)
[   16.249383][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.249515][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.249699][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.249828][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.250012][  T361]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.250138][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.250264][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.250389][  T361]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.250519][  T361]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.250646][  T361]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.250777][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.250978][  T361]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.251104][  T361]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.251233][  T361]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.251363][  T361]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.251492][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.251622][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.251756][  T361]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.252018][  T361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.252144][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.252273][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.252399][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.252528][  T361]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.252656][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.252790][  T361]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.252980][  T361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.253106][  T361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.253232][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.253358][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.253486][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.253613][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.253746][  T361]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.253934][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.254061][  T361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.254190][  T361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.254317][  T361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.254445][  T361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.254576][  T361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.254709][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.254838][  T361]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.254975][  T361]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.255103][  T361]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.255230][  T361]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.255358][  T361]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.255484][  T361]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.255642][  T361]  ? move_addr_to_kernel (net/socket.c:258)
[   16.255774][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.255907][  T361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.256035][  T361]  ___sys_sendmsg (net/socket.c:2752)
[   16.256161][  T361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.256318][  T361]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.256457][  T361]  __sys_sendmsg (net/socket.c:2784)
[   16.256587][  T361]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.256717][  T361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.256882][  T361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.257010][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.257139][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.257265][  T361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.257392][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.257520][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.257682][  T361] RIP: 0033:0x7ff4acdf608e
[   16.257817][  T361] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.258274][  T361] RSP: 002b:00007ffc4a8a4180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.258464][  T361] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff4acdf608e
[   16.258658][  T361] RDX: 0000000000000000 RSI: 00007ffc4a8a4230 RDI: 0000000000000005
[   16.258854][  T361] RBP: 00007ffc4a8a4190 R08: 0000000000000000 R09: 0000000000000000
[   16.259047][  T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfc
[   16.259236][  T361] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4a8a4900
| [   17.941371][   T12] ------------[ cut here ]------------
| [   17.941540][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   17.941789][   T12] Modules linked in:
| [   17.942218][   T12] Tainted: [W]=WARN
[   17.942307][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.942454][   T12] Workqueue: netns cleanup_net
[   17.942582][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.942743][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.943221][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.943371][   T12] RAX: 00000000ffffffa6 RBX: ff110000098bf700 RCX: 1ff4000000018eed
[   17.943633][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000098bf7bc
[   17.943835][   T12] RBP: ff1100000f124000 R08: 1fe2200001317ef9 R09: ff11000001aed1d0
[   17.944030][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   17.944205][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.944382][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   17.944593][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.944747][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   17.944942][   T12] PKRU: 55555554
[   17.945031][   T12] Call Trace:
[   17.945119][   T12]  <TASK>
[   17.945184][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.945344][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.945492][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.945617][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.945743][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.945859][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.945986][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.946109][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.946227][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.946349][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.946464][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.946586][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   17.946712][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.946830][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.947001][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.947120][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.947236][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.947356][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.947477][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.947596][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.947720][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.947841][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.948009][   T12]  kthread (kernel/kthread.c:436)
[   17.948097][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.948241][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.948358][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.948476][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.948627][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.948746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.948862][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.951456][   T12] ------------[ cut here ]------------
| [   17.951588][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   17.951823][   T12] Modules linked in:
| [   17.952249][   T12] Tainted: [W]=WARN
[   17.952337][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.952480][   T12] Workqueue: netns cleanup_net
[   17.952603][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.952760][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.953181][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.953328][   T12] RAX: 00000000ffffffa6 RBX: ff110000098bfe00 RCX: 1ff4000000018eed
[   17.953502][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000098bfebc
[   17.953684][   T12] RBP: ff1100000a1b1000 R08: 1fe2200001317fd9 R09: ff11000001aed1d0
[   17.953857][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   17.954039][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.954213][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   17.954414][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.954564][   T12] CR2: 000055dfefed0e38 CR3: 0000000009c29004 CR4: 0000000000771ef0
[   17.954748][   T12] PKRU: 55555554
[   17.954839][   T12] Call Trace:
[   17.954937][   T12]  <TASK>
[   17.954998][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.955153][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.955305][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.955423][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.955544][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.955665][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.955787][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.955909][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.956027][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.956144][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.956258][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.956375][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   17.956491][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.956611][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.956732][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.956849][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.956972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.957089][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.957210][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.957324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.957445][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.957570][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.957691][   T12]  kthread (kernel/kthread.c:436)
[   17.957778][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.957929][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.958046][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.958161][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.958305][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.958419][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.958539][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.969742][   T12] ------------[ cut here ]------------
| [   17.969876][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   17.970111][   T12] Modules linked in:
| [   17.970461][   T12] Tainted: [W]=WARN
[   17.970551][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.970702][   T12] Workqueue: netns cleanup_net
[   17.970824][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.970982][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.971401][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.971554][   T12] RAX: 00000000ffffffa6 RBX: ff110000021e8580 RCX: 1ff4000000018eed
[   17.971733][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021e863c
[   17.971921][   T12] RBP: ff1100000a8e4000 R08: 1fe220000043d0c9 R09: ff11000001aed1d0
[   17.972093][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   17.972267][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.972443][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   17.972651][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.972806][   T12] CR2: 00007fffc4af5d28 CR3: 0000000009c29004 CR4: 0000000000771ef0
[   17.972985][   T12] PKRU: 55555554
[   17.973072][   T12] Call Trace:
[   17.973161][   T12]  <TASK>
[   17.973224][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.973373][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.973517][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.973633][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.973759][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.973879][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.973997][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.974116][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.974232][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.974354][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.974469][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.974589][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   17.974711][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.974830][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.974949][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.975067][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.975182][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.975302][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.975423][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.975543][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.975663][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.975793][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.975915][   T12]  kthread (kernel/kthread.c:436)
[   17.976003][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.976148][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.976267][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.976389][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.976541][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.976667][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.976790][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.979060][   T12] ------------[ cut here ]------------
| [   17.979179][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   17.979477][   T12] Modules linked in:
| [   17.979835][   T12] Tainted: [W]=WARN
[   17.979929][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.980075][   T12] Workqueue: netns cleanup_net
[   17.980194][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.980350][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.980846][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.981075][   T12] RAX: 00000000ffffffa6 RBX: ff110000021e8900 RCX: 1ff4000000018eed
[   17.981249][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021e89bc
[   17.981421][   T12] RBP: ff1100000a394000 R08: 1fe220000043d139 R09: ff11000001aed1d0
[   17.981667][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   17.981846][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.982024][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   17.982228][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.982378][   T12] CR2: 00007fffc4af5d28 CR3: 0000000009c29004 CR4: 0000000000771ef0
[   17.982555][   T12] PKRU: 55555554
[   17.982641][   T12] Call Trace:
[   17.982733][   T12]  <TASK>
[   17.982795][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.982946][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.983231][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.983347][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.983463][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.983582][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.983775][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.983896][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.984084][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.984199][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.984386][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.984505][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   17.984627][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.984759][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.984951][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.985069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.985184][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.985301][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.985421][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.985538][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.985658][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.985782][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.985902][   T12]  kthread (kernel/kthread.c:436)
[   17.985989][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.986134][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.986249][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.986365][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.986514][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.986634][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.986755][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.988750][   T12] ------------[ cut here ]------------
| [   17.988884][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   17.989109][   T12] Modules linked in:
| [   17.989465][   T12] Tainted: [W]=WARN
[   17.989560][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.989713][   T12] Workqueue: netns cleanup_net
[   17.989842][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.989999][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.990417][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   17.990567][   T12] RAX: 00000000ffffffa6 RBX: ff110000021e9a80 RCX: 1ff4000000018eed
[   17.990746][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021e9b3c
[   17.990926][   T12] RBP: ff11000009599000 R08: 1fe220000043d369 R09: ff11000001aed1d0
[   17.991104][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   17.991280][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.991457][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   17.991666][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.991818][   T12] CR2: 00007fffc4af5d28 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   17.991997][   T12] PKRU: 55555554
[   17.992085][   T12] Call Trace:
[   17.992173][   T12]  <TASK>
[   17.992235][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.992385][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.992927][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   17.993052][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   17.993172][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.993291][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   17.993409][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.993531][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.993652][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.993771][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   17.994306][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.994424][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   17.994547][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   17.994668][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   17.994790][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   17.994952][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.995069][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.995188][   T12]  process_one_work (kernel/workqueue.c:3314)
[   17.995308][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   17.995428][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.995551][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.995672][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   17.995793][   T12]  kthread (kernel/kthread.c:436)
[   17.995924][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.996068][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.996255][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.996485][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   17.996708][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.996824][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   17.996994][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.013789][   T12] ------------[ cut here ]------------
| [   18.013943][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.014187][   T12] Modules linked in:
| [   18.014565][   T12] Tainted: [W]=WARN
[   18.014658][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.014818][   T12] Workqueue: netns cleanup_net
[   18.014954][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.015116][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.015560][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.015721][   T12] RAX: 00000000ffffffa6 RBX: ff110000021e9c40 RCX: 1ff4000000018eaf
[   18.015910][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021e9cfc
[   18.016092][   T12] RBP: ff1100000e629000 R08: 1fe220000043d3a1 R09: ff11000001aed1d0
[   18.016276][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.016460][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e62c000
[   18.016647][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.016876][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.017030][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.017218][   T12] PKRU: 55555554
[   18.017311][   T12] Call Trace:
[   18.017405][   T12]  <TASK>
[   18.017470][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.017604][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.017702][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.017825][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.018004][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.018127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.018249][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.018372][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.018530][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.018691][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.018814][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.019017][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.019140][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.019262][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.019415][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.019544][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.019671][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.019804][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.019979][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.020153][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.020278][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.020401][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.020527][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.020652][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.020779][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.020957][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.021079][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.021203][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.021324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.021450][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.021579][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.021708][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.021835][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.022018][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.022141][   T12]  kthread (kernel/kthread.c:436)
[   18.022233][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.022385][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.022513][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.022640][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.022800][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.022977][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.023099][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.026421][   T12] ------------[ cut here ]------------
| [   18.026567][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.026821][   T12] Modules linked in:
| [   18.027210][   T12] Tainted: [W]=WARN
[   18.027302][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.027455][   T12] Workqueue: netns cleanup_net
[   18.027583][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.027750][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.028195][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.028359][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90900 RCX: 1ff4000000018eaf
[   18.028547][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe909bc
[   18.028735][   T12] RBP: ff1100000e62c000 R08: 1fe2200001fd2139 R09: ff11000001aed1d0
[   18.028993][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.029176][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092a1000
[   18.029360][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.029579][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.029740][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.029975][   T12] PKRU: 55555554
[   18.030163][   T12] Call Trace:
[   18.030272][   T12]  <TASK>
[   18.030338][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.030527][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.030650][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.030753][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.030928][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.031051][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.031172][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.031296][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.031419][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.031577][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.031742][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.031918][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.032070][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.032192][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.032315][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.032468][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.032602][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.032730][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.032855][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.033044][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.033169][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.033293][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.033416][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.033541][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.033666][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.033796][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.033970][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.034093][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.034218][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.034340][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.034474][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.034612][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.034741][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.034929][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.035056][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.035179][   T12]  kthread (kernel/kthread.c:436)
[   18.035270][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.035424][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.035549][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.035672][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.035832][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.036008][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.036132][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.039603][   T12] ------------[ cut here ]------------
| [   18.039743][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.039986][   T12] Modules linked in:
| [   18.040359][   T12] Tainted: [W]=WARN
[   18.040452][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.040609][   T12] Workqueue: netns cleanup_net
[   18.040745][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.040910][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.041348][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.041504][   T12] RAX: 00000000ffffffa6 RBX: ff110000092f5540 RCX: 1ff4000000018eaf
[   18.041694][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f55fc
[   18.041880][   T12] RBP: ff110000092a1000 R08: 1fe220000125eac1 R09: ff11000001aed1d0
[   18.042071][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   18.042263][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   18.042449][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.042670][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.042829][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.043022][   T12] PKRU: 55555554
[   18.043114][   T12] Call Trace:
[   18.043206][   T12]  <TASK>
[   18.043270][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.043393][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.043518][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.043613][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.043743][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.043925][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.044050][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.044173][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.044296][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.044450][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.044610][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.044741][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.044902][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.045030][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.045158][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.045313][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.045438][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.045566][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.045694][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.045819][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.045954][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.046079][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.046202][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.046325][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.046448][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.046576][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.046706][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.046829][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.046968][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.047091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.047215][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.047341][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.047463][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.047595][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.047726][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.047848][   T12]  kthread (kernel/kthread.c:436)
[   18.047945][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.048097][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.048220][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.048342][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.048496][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.048621][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.048756][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.062323][   T12] ------------[ cut here ]------------
| [   18.062458][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.062702][   T12] Modules linked in:
| [   18.063064][   T12] Tainted: [W]=WARN
[   18.063154][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.063300][   T12] Workqueue: netns cleanup_net
[   18.063422][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.063583][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.064467][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.064618][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4a900 RCX: 1ff4000000018ed5
[   18.064798][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a9bc
[   18.064978][   T12] RBP: ff1100000e629000 R08: 1fe22000003c9539 R09: ff11000001aed1d0
[   18.065153][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.065325][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.065500][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.065715][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.065872][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.066049][   T12] PKRU: 55555554
[   18.066140][   T12] Call Trace:
[   18.066227][   T12]  <TASK>
[   18.066289][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.066438][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.066587][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.066713][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.066832][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.066988][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.067107][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.067226][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.067343][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.067460][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.067582][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.067705][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.067822][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.067946][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.068066][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.068186][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.068302][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.068425][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.068545][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.068665][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.068791][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.068917][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.069039][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.069163][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.069285][   T12]  kthread (kernel/kthread.c:436)
[   18.069373][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.069522][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.069640][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.069764][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.069921][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.070038][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.070155][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.072482][   T12] ------------[ cut here ]------------
| [   18.072603][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.072835][   T12] Modules linked in:
| [   18.073200][   T12] Tainted: [W]=WARN
[   18.073289][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.073436][   T12] Workqueue: netns cleanup_net
[   18.073566][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.073724][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.074148][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.074294][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4b540 RCX: 1ff4000000018ed5
[   18.074467][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4b5fc
[   18.074644][   T12] RBP: ff1100000e62c000 R08: 1fe22000003c96c1 R09: ff11000001aed1d0
[   18.074822][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.075002][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.075182][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.075386][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.075536][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.075718][   T12] PKRU: 55555554
[   18.075805][   T12] Call Trace:
[   18.075897][   T12]  <TASK>
[   18.075959][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.076106][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.076250][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.076366][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.076483][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.076636][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.076761][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.076881][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.076998][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.077123][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.077240][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.077357][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.077472][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.077595][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.077718][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.077839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.077960][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.078078][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.078195][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.078315][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.078437][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.078558][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.078686][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.078807][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.078927][   T12]  kthread (kernel/kthread.c:436)
[   18.079015][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.079159][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.079277][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.079395][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.079543][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.079662][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.079785][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.082966][   T12] ------------[ cut here ]------------
| [   18.083146][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.083392][   T12] Modules linked in:
| [   18.083770][   T12] Tainted: [W]=WARN
[   18.083857][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.084064][   T12] Workqueue: netns cleanup_net
[   18.084186][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.084336][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.084760][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.084917][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b726740 RCX: 1ff4000000018ed5
[   18.085090][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7267fc
[   18.085262][   T12] RBP: ff110000092a1000 R08: 1fe22000016e4d01 R09: ff11000001aed1d0
[   18.085435][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.085610][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.085791][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.086000][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.086147][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.086322][   T12] PKRU: 55555554
[   18.086410][   T12] Call Trace:
[   18.086502][   T12]  <TASK>
[   18.086567][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.086721][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.086873][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.086991][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.087107][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.087261][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.087380][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.087497][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.087619][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.087741][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.087860][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.087983][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.088099][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.088219][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.088337][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.088460][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.088576][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.088699][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.088816][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.088937][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.089059][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.089176][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.089301][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.089422][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.089543][   T12]  kthread (kernel/kthread.c:436)
[   18.089633][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.089783][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.089907][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.090025][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.090172][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.090289][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.090407][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.124508][   T12] ------------[ cut here ]------------
| [   18.124647][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.124898][   T12] Modules linked in:
| [   18.125254][   T12] Tainted: [W]=WARN
[   18.125342][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.125488][   T12] Workqueue: netns cleanup_net
[   18.125617][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.125778][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.126260][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.126411][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16a900 RCX: 1ff4000000018eed
[   18.126689][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a9bc
[   18.126932][   T12] RBP: ff11000010889000 R08: 1fe220000142d539 R09: ff11000001aed1d0
[   18.127105][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.127277][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.127460][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.127669][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.127822][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.128051][   T12] PKRU: 55555554
[   18.128139][   T12] Call Trace:
[   18.128227][   T12]  <TASK>
[   18.128289][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.128485][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.128632][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.128754][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.128919][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.129040][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.129156][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.129277][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.129393][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.129512][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.129627][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.129746][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.129862][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.130034][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.130148][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.130265][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.130380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.130496][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.130619][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.130741][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.130860][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.130987][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.131103][   T12]  kthread (kernel/kthread.c:436)
[   18.131190][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.131333][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.131449][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.131569][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.131717][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.131834][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.131965][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.134978][   T12] ------------[ cut here ]------------
| [   18.135108][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.135338][   T12] Modules linked in:
| [   18.135761][   T12] Tainted: [W]=WARN
[   18.135849][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.136006][   T12] Workqueue: netns cleanup_net
[   18.136129][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.136278][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.136692][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.136845][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe91a80 RCX: 1ff4000000018eed
[   18.137026][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe91b3c
[   18.137198][   T12] RBP: ff11000010bec000 R08: 1fe2200001fd2369 R09: ff11000001aed1d0
[   18.137369][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.137544][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.137722][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.137927][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.138072][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.138244][   T12] PKRU: 55555554
[   18.138330][   T12] Call Trace:
[   18.138417][   T12]  <TASK>
[   18.138479][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.138630][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.138777][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.138900][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.139017][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.139132][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.139248][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.139365][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.139482][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.139600][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.139718][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.139834][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.139958][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.140073][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.140189][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.140307][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.140421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.140546][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.140665][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.140784][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.140908][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.141027][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.141143][   T12]  kthread (kernel/kthread.c:436)
[   18.141230][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.141372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.141485][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.141603][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.141758][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.141879][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.141996][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.144228][   T12] ------------[ cut here ]------------
| [   18.144356][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   18.144592][   T12] Modules linked in:
| [   18.145164][   T12] Tainted: [W]=WARN
[   18.145252][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.145396][   T12] Workqueue: netns cleanup_net
[   18.145576][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.145734][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.146229][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.146373][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe91380 RCX: 1ff4000000018eed
[   18.146548][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9143c
[   18.146727][   T12] RBP: ff11000010bc9000 R08: 1fe2200001fd2289 R09: ff11000001aed1d0
[   18.146945][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.147115][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.147383][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.147605][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.147756][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   18.147980][   T12] PKRU: 55555554
[   18.148068][   T12] Call Trace:
[   18.148155][   T12]  <TASK>
[   18.148217][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.148364][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.148509][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.148631][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.148752][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.148913][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.149029][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.149147][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.149262][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.149376][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.149539][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.149656][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.149777][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.149940][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.150055][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.150172][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.150285][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.150401][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.150521][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.150641][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.150765][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.150928][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.151044][   T12]  kthread (kernel/kthread.c:436)
[   18.151131][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.151273][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.151387][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.151502][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.151649][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.151768][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.151931][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.154001][   T12] ------------[ cut here ]------------
| [   18.154171][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.154479][   T12] Modules linked in:
| [   18.154957][   T12] Tainted: [W]=WARN
[   18.155092][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.155286][   T12] Workqueue: netns cleanup_net
[   18.155454][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.155658][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.156138][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.156334][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6363c0 RCX: 1ff4000000018eed
[   18.156558][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63647c
[   18.156783][   T12] RBP: ff1100000ef51000 R08: 1fe2200001ac6c91 R09: ff11000001aed1d0
[   18.157021][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.157242][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.157466][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.157730][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.157936][   T12] CR2: 00007f0054c6b574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.158158][   T12] PKRU: 55555554
[   18.158291][   T12] Call Trace:
[   18.158428][   T12]  <TASK>
[   18.158537][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.158744][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.158946][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.159111][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.159275][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.159440][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.159615][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.159788][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.159968][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.160131][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.160295][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.160459][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.160634][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.160808][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.160986][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.161152][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.161316][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.161481][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.161654][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.161826][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.162007][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.162180][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.162344][   T12]  kthread (kernel/kthread.c:436)
[   18.162479][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.162685][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.162851][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.163033][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.163223][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.163391][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.163563][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.165950][   T12] ------------[ cut here ]------------
| [   18.166114][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.166387][   T12] Modules linked in:
| [   18.166853][   T12] Tainted: [W]=WARN
[   18.167004][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.167194][   T12] Workqueue: netns cleanup_net
[   18.167364][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.167570][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.168048][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.168240][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637a80 RCX: 1ff4000000018eed
[   18.168458][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637b3c
[   18.168687][   T12] RBP: ff1100000fd2c000 R08: 1fe2200001ac6f69 R09: ff11000001aed1d0
[   18.168949][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.169167][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.169386][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.169670][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.169886][   T12] CR2: 00007f0054c6b574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.170105][   T12] PKRU: 55555554
[   18.170238][   T12] Call Trace:
[   18.170371][   T12]  <TASK>
[   18.170480][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.170687][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.170890][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.171058][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.171222][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.171383][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.171551][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.171722][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.171903][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.172064][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.172225][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.172390][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.172560][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.172733][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.172908][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.173073][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.173235][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.173399][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.173574][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.173748][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.173930][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.174098][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.174261][   T12]  kthread (kernel/kthread.c:436)
[   18.174396][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.174595][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.174765][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.174946][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.175135][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.175299][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.175464][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.203212][   T12] ------------[ cut here ]------------
| [   18.203385][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.203693][   T12] Modules linked in:
| [   18.204181][   T12] Tainted: [W]=WARN
[   18.204320][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.204522][   T12] Workqueue: netns cleanup_net
[   18.204707][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.204937][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.205431][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.205647][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636ac0 RCX: 1ff4000000018eaf
[   18.205901][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d636b7c
[   18.206132][   T12] RBP: ff1100001003c000 R08: 1fe2200001ac6d71 R09: ff11000001aed1d0
[   18.206365][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.206605][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d11000
[   18.206850][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.207123][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.207324][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.207561][   T12] PKRU: 55555554
[   18.207706][   T12] Call Trace:
[   18.207847][   T12]  <TASK>
[   18.207973][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.208146][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.208289][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.208462][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.208640][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.208816][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.209001][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.209174][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.209378][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.209588][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.209769][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.209983][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.210157][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.210327][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.210534][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.210714][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.210900][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.211073][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.211246][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.211420][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.211600][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.211782][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.211965][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.212137][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.212312][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.212486][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.212664][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.212848][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.213035][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.213211][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.213388][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.213567][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.213751][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.213942][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.214116][   T12]  kthread (kernel/kthread.c:436)
[   18.214254][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.214456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.214637][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.214818][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.215035][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.215207][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.215381][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.218350][   T12] ------------[ cut here ]------------
| [   18.218521][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.218826][   T12] Modules linked in:
| [   18.219309][   T12] Tainted: [W]=WARN
[   18.219449][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.219654][   T12] Workqueue: netns cleanup_net
[   18.219839][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.220059][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.220549][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.220759][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b7540 RCX: 1ff4000000018eaf
[   18.221009][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b75fc
[   18.221240][   T12] RBP: ff11000008d11000 R08: 1fe2200001e36ec1 R09: ff11000001aed1d0
[   18.221472][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.221716][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010899000
[   18.221960][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.222224][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.222425][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.222669][   T12] PKRU: 55555554
[   18.222845][   T12] Call Trace:
[   18.222998][   T12]  <TASK>
[   18.223111][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.223286][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.223459][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.223640][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.223820][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.224010][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.224180][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.224352][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.224558][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.224772][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.224992][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.225166][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.225367][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.225545][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.225722][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.225941][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.226145][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.226320][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.226493][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.226684][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.226860][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.227049][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.227220][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.227391][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.227570][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.227753][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.227940][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.228122][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.228294][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.228467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.228649][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.228833][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.229013][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.229194][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.229371][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.229546][   T12]  kthread (kernel/kthread.c:436)
[   18.229694][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.229910][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.230081][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.230284][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.230488][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.230664][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.230844][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.235452][   T12] ------------[ cut here ]------------
| [   18.235623][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.235939][   T12] Modules linked in:
| [   18.236433][   T12] Tainted: [W]=WARN
[   18.236583][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.236789][   T12] Workqueue: netns cleanup_net
[   18.237141][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.237398][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.237967][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.238217][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27000 RCX: 1ff4000000018eaf
[   18.238497][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc270bc
[   18.238789][   T12] RBP: ff11000010899000 R08: 1fe2200001b84e19 R09: ff11000001aed1d0
[   18.239093][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.239369][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   18.239660][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.239994][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.240243][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.240530][   T12] PKRU: 55555554
[   18.240726][   T12] Call Trace:
[   18.240926][   T12]  <TASK>
[   18.241084][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.241305][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.241536][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.241735][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.241968][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.242189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.242407][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.242635][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.242923][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.243179][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.243429][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.243659][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.244024][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.244244][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.244461][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.244731][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.244967][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.245189][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.245413][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.245770][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.246097][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.246400][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.246574][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.246755][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.246942][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.247116][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.247290][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.247459][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.247644][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.247820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.248007][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.248182][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.248382][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.248565][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.248753][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.248953][   T12]  kthread (kernel/kthread.c:436)
[   18.249095][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.249297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.249467][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.249646][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.249856][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.250040][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.250212][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.252794][   T12] ------------[ cut here ]------------
| [   18.252978][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.253263][   T12] Modules linked in:
| [   18.253761][   T12] Tainted: [W]=WARN
[   18.254148][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.254345][   T12] Workqueue: netns cleanup_net
[   18.254518][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.254744][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.255226][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.255425][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc271c0 RCX: 1ff4000000018ed5
[   18.255655][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2727c
[   18.255903][   T12] RBP: ff1100001003c000 R08: 1fe2200001b84e51 R09: ff11000001aed1d0
[   18.256126][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.256351][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.256583][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.256842][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.257050][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.257277][   T12] PKRU: 55555554
[   18.257413][   T12] Call Trace:
[   18.257553][   T12]  <TASK>
[   18.257662][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.257889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.258084][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.258253][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.258419][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.258661][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.258842][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.259021][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.259188][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.259356][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.259529][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.259702][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.259881][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.260081][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.260249][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.260419][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.260590][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.260768][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.260949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.261116][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.261290][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.261457][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.261636][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.261816][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.262024][   T12]  kthread (kernel/kthread.c:436)
[   18.262160][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.262357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.262531][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.262708][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.262919][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.263085][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.263251][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.266057][   T12] ------------[ cut here ]------------
| [   18.266219][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.266495][   T12] Modules linked in:
| [   18.266975][   T12] Tainted: [W]=WARN
[   18.267111][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.267305][   T12] Workqueue: netns cleanup_net
[   18.267475][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.267689][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.268323][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.268520][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc24ac0 RCX: 1ff4000000018ed5
[   18.268750][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc24b7c
[   18.269059][   T12] RBP: ff11000008d11000 R08: 1fe2200001b84971 R09: ff11000001aed1d0
[   18.269281][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.269505][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.269743][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.270085][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.270278][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.270502][   T12] PKRU: 55555554
[   18.270644][   T12] Call Trace:
[   18.270785][   T12]  <TASK>
[   18.270907][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.271181][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.271373][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.271544][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.271717][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.272014][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.272260][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.272501][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.272686][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.272855][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.273036][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.273275][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.273439][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.273614][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.273787][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.273971][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.274152][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.274324][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.274490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.274665][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.274890][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.275056][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.275226][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.275400][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.275576][   T12]  kthread (kernel/kthread.c:436)
[   18.275719][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.275928][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.276097][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.276337][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.276534][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.276716][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.276897][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.280820][   T12] ------------[ cut here ]------------
| [   18.281106][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.281447][   T12] Modules linked in:
| [   18.282024][   T12] Tainted: [W]=WARN
[   18.282281][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.282550][   T12] Workqueue: netns cleanup_net
[   18.282771][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.283120][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.283647][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.283981][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c282580 RCX: 1ff4000000018ed5
[   18.284262][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c28263c
[   18.284543][   T12] RBP: ff11000010899000 R08: 1fe22000018504c9 R09: ff11000001aed1d0
[   18.284816][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.285171][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.285443][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.285758][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.286011][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.286279][   T12] PKRU: 55555554
[   18.286457][   T12] Call Trace:
[   18.286641][   T12]  <TASK>
[   18.286803][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.287062][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.287304][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.287540][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.287779][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.288038][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.288253][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.288463][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.288692][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.288923][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.289207][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.289492][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.289789][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.290018][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.290231][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.290443][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.290663][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.290900][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.291137][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.291476][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.292595][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.292821][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.293135][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.293305][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.293476][   T12]  kthread (kernel/kthread.c:436)
[   18.293617][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.293825][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.294006][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.294176][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.294373][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.294549][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.294724][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.336860][   T12] ------------[ cut here ]------------
| [   18.337037][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.337320][   T12] Modules linked in:
| [   18.337782][   T12] Tainted: [W]=WARN
[   18.337933][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.338126][   T12] Workqueue: netns cleanup_net
[   18.338297][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.338496][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.338991][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.339190][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c282ac0 RCX: 1ff4000000018eed
[   18.339409][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c282b7c
[   18.339639][   T12] RBP: ff110000124dc000 R08: 1fe2200001850571 R09: ff11000001aed1d0
[   18.339881][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.340105][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.340332][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.340593][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.340795][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.341031][   T12] PKRU: 55555554
[   18.341165][   T12] Call Trace:
[   18.341303][   T12]  <TASK>
[   18.341412][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.341618][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.341820][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.342005][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.342172][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.342334][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.342501][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.342686][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.342857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.343034][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.343204][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.343369][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.343538][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.343714][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.343897][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.344065][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.344234][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.344398][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.344574][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.344754][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.344934][   T12]  kthread (kernel/kthread.c:436)
[   18.345072][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.345269][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.345433][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.345637][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.345840][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.346047][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.346219][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.348808][   T12] ------------[ cut here ]------------
| [   18.349274][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.349554][   T12] Modules linked in:
| [   18.350022][   T12] Tainted: [W]=WARN
[   18.350155][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.350347][   T12] Workqueue: netns cleanup_net
[   18.350522][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.350737][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.351208][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.351403][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b4200 RCX: 1ff4000000018eed
[   18.351666][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b42bc
[   18.351905][   T12] RBP: ff110000124b9000 R08: 1fe2200001e36859 R09: ff11000001aed1d0
[   18.352125][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.352343][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.352606][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.352908][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.353101][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.353326][   T12] PKRU: 55555554
[   18.353460][   T12] Call Trace:
[   18.353604][   T12]  <TASK>
[   18.353748][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.353966][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.354161][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.354326][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.354492][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.354663][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.354839][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.355017][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.355186][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.355350][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.355523][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.355705][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.355882][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.356048][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.356250][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.356417][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.356624][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.356798][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.356980][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.357152][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.357319][   T12]  kthread (kernel/kthread.c:436)
[   18.357457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.357659][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.357833][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.358011][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.358205][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.358370][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.358542][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.361133][   T12] ------------[ cut here ]------------
| [   18.361296][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.361585][   T12] Modules linked in:
| [   18.362054][   T12] Tainted: [W]=WARN
[   18.362189][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.362383][   T12] Workqueue: netns cleanup_net
[   18.362562][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.362774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.363250][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.363447][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc243c0 RCX: 1ff4000000018eed
[   18.363687][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2447c
[   18.363918][   T12] RBP: ff1100001248c000 R08: 1fe2200001b84891 R09: ff11000001aed1d0
[   18.364140][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.364361][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.364596][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.364858][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.365063][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.365285][   T12] PKRU: 55555554
[   18.365418][   T12] Call Trace:
[   18.365558][   T12]  <TASK>
[   18.365669][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.365889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.366081][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.366247][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.366413][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.366584][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.366758][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.366941][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.367109][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.367272][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.367444][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.367618][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.367790][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.367971][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.368136][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.368307][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.368477][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.368648][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.368856][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.369042][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.369207][   T12]  kthread (kernel/kthread.c:436)
[   18.369343][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.369543][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.369719][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.369899][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.370093][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.370259][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.370424][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.372953][   T12] ------------[ cut here ]------------
| [   18.373117][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.373396][   T12] Modules linked in:
| [   18.373897][   T12] Tainted: [W]=WARN
[   18.374034][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.374230][   T12] Workqueue: netns cleanup_net
[   18.374402][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.374611][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.375092][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.375314][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16bc40 RCX: 1ff4000000018eed
[   18.375536][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bcfc
[   18.375764][   T12] RBP: ff11000005821000 R08: 1fe220000142d7a1 R09: ff11000001aed1d0
[   18.375998][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.376219][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.376446][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.376708][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.376915][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.377138][   T12] PKRU: 55555554
[   18.377272][   T12] Call Trace:
[   18.377409][   T12]  <TASK>
[   18.377520][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.377728][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.377934][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.378099][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.378264][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.378429][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.378604][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.378780][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.378962][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.379126][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.379292][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.379456][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.379624][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.379799][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.379979][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.380144][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.380311][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.380474][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.380649][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.380826][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.381002][   T12]  kthread (kernel/kthread.c:436)
[   18.381137][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.381330][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.381493][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.381666][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.381881][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.382046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.382209][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.384595][   T12] ------------[ cut here ]------------
| [   18.384758][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.385512][   T12] Modules linked in:
| [   18.386077][   T12] Tainted: [W]=WARN
[   18.386256][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.386493][   T12] Workqueue: netns cleanup_net
[   18.386725][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.386992][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.387510][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   18.387761][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d442200 RCX: 1ff4000000018eed
[   18.388039][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4422bc
[   18.388304][   T12] RBP: ff1100000ffe1000 R08: 1fe2200001a88459 R09: ff11000001aed1d0
[   18.388571][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.388845][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.389125][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.389422][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.389665][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.389953][   T12] PKRU: 55555554
[   18.390130][   T12] Call Trace:
[   18.390305][   T12]  <TASK>
[   18.390439][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.390646][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.390843][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   18.391021][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.391186][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.391349][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   18.391516][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.391694][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.391862][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.392041][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.392208][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.392373][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.392537][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.392711][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.392889][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.393055][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.393222][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.393388][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.393562][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.393742][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.393919][   T12]  kthread (kernel/kthread.c:436)
[   18.394055][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.394247][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.394412][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.394587][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.394789][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.394967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.395131][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.408046][   T12] ------------[ cut here ]------------
| [   18.408217][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.408507][   T12] Modules linked in:
| [   18.409004][   T12] Tainted: [W]=WARN
[   18.409145][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.409345][   T12] Workqueue: netns cleanup_net
[   18.409522][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.409745][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.410245][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.410447][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d4423c0 RCX: 1ff4000000018eaf
[   18.410688][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d44247c
[   18.410992][   T12] RBP: ff11000008691000 R08: 1fe2200001a88491 R09: ff11000001aed1d0
[   18.411270][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.411558][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010241000
[   18.411849][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.412174][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.412433][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.412729][   T12] PKRU: 55555554
[   18.412929][   T12] Call Trace:
[   18.413118][   T12]  <TASK>
[   18.413279][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.413499][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.413708][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.413945][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.414167][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.414413][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.414641][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.414927][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.415181][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.415432][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.415664][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.415911][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.416142][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.416361][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.416583][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.416785][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.416983][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.417152][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.417325][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.417497][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.417673][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.417854][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.418036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.418209][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.418385][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.418562][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.418747][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.418937][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.419107][   T12]  kthread (kernel/kthread.c:436)
[   18.419247][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.419447][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.419629][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.419811][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.420027][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.420199][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.420371][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.422530][   T12] ------------[ cut here ]------------
| [   18.422700][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.423008][   T12] Modules linked in:
| [   18.423469][   T12] Tainted: [W]=WARN
[   18.423615][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.423820][   T12] Workqueue: netns cleanup_net
[   18.424213][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.424469][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.425028][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.425285][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d443380 RCX: 1ff4000000018eaf
[   18.425566][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d44343c
[   18.425850][   T12] RBP: ff11000010241000 R08: 1fe2200001a88689 R09: ff11000001aed1d0
[   18.426139][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.426413][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000108a9000
[   18.426706][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.427026][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.427273][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.427563][   T12] PKRU: 55555554
[   18.427756][   T12] Call Trace:
[   18.427971][   T12]  <TASK>
[   18.428146][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.428379][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.428605][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.428825][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.429055][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.429300][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.429571][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.429801][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.430056][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.430299][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.430498][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.430685][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.430859][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.431044][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.431213][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.431383][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.431560][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.431743][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.431926][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.432099][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.432270][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.432439][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.432618][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.432799][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.432981][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.433156][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.433324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.433498][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.433687][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.433859][   T12]  kthread (kernel/kthread.c:436)
[   18.434013][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.434212][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.434383][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.434559][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.434768][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.434949][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.435119][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.437239][   T12] ------------[ cut here ]------------
| [   18.437401][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.437702][   T12] Modules linked in:
| [   18.438668][   T12] Tainted: [W]=WARN
[   18.438861][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.439181][   T12] Workqueue: netns cleanup_net
[   18.439405][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.439670][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.440224][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   18.440472][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d443c40 RCX: 1ff4000000018eaf
[   18.440760][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d443cfc
[   18.441050][   T12] RBP: ff110000108a9000 R08: 1fe2200001a887a1 R09: ff11000001aed1d0
[   18.441327][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   18.441610][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   18.441908][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.442217][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.442465][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.442758][   T12] PKRU: 55555554
[   18.442959][   T12] Call Trace:
[   18.443147][   T12]  <TASK>
[   18.443306][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.443531][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.443756][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.443962][   T12]  netif_close_many (net/core/dev.c:1804)
[   18.444184][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   18.444454][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.444754][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.444976][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   18.445150][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.445355][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.445564][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.445746][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.445937][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.446111][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.446281][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.446452][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.446630][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.446815][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.446997][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.447170][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.447343][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.447514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.447695][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.447880][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.448053][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.448229][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.448400][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.448587][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.448771][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.448955][   T12]  kthread (kernel/kthread.c:436)
[   18.449095][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.449295][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.449466][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.449646][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.449853][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.450035][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.450204][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.452682][   T12] ------------[ cut here ]------------
| [   18.452842][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.453138][   T12] Modules linked in:
| [   18.453594][   T12] Tainted: [W]=WARN
[   18.453737][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.454002][   T12] Workqueue: netns cleanup_net
[   18.454219][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.454474][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.455013][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.455252][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc24e40 RCX: 1ff4000000018ed5
[   18.455524][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc24efc
[   18.455798][   T12] RBP: ff11000008691000 R08: 1fe2200001b849e1 R09: ff11000001aed1d0
[   18.456076][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.456343][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.456619][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.456940][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.457179][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.457451][   T12] PKRU: 55555554
[   18.457637][   T12] Call Trace:
[   18.457826][   T12]  <TASK>
[   18.457994][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.458239][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.458480][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.458704][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.458930][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.459143][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.459354][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.459570][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.459793][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.460020][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.460229][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.460442][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.460663][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.460895][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.461106][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.461317][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.461536][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.461723][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.461902][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.462076][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.462249][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.462414][   T12]  kthread (kernel/kthread.c:436)
[   18.462555][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.462755][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.462935][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.463101][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.463294][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.463460][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.463634][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.466377][   T12] ------------[ cut here ]------------
| [   18.466541][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   18.466825][   T12] Modules linked in:
| [   18.467808][   T12] Tainted: [W]=WARN
[   18.468012][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.468254][   T12] Workqueue: netns cleanup_net
[   18.468470][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.468733][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.469252][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.469494][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16b8c0 RCX: 1ff4000000018ed5
[   18.469770][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b97c
[   18.470048][   T12] RBP: ff11000010241000 R08: 1fe220000142d731 R09: ff11000001aed1d0
[   18.470313][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.470583][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.470857][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.471166][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.471403][   T12] CR2: 00007f69a65e8600 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   18.471686][   T12] PKRU: 55555554
[   18.471883][   T12] Call Trace:
[   18.472063][   T12]  <TASK>
[   18.472216][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.472461][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.472718][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.472942][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.473153][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.473366][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.473579][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.473797][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.474046][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.474303][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.474540][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.474798][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.475012][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.475181][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.475348][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.475516][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.475694][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.475881][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.476046][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.476216][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.476390][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.476564][   T12]  kthread (kernel/kthread.c:436)
[   18.476707][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.476916][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.477082][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.477248][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.477441][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.477621][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.477794][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.487636][   T12] ------------[ cut here ]------------
| [   18.487784][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   18.488026][   T12] Modules linked in:
| [   18.488390][   T12] Tainted: [W]=WARN
[   18.488480][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.488634][   T12] Workqueue: netns cleanup_net
[   18.488766][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.488928][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.489357][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   18.489511][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962ac0 RCX: 1ff4000000018ed5
[   18.489696][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962b7c
[   18.489879][   T12] RBP: ff110000108a9000 R08: 1fe220000172c571 R09: ff11000001aed1d0
[   18.490063][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.490239][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.490421][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   18.490636][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.490791][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   18.490983][   T12] PKRU: 55555554
[   18.491072][   T12] Call Trace:
[   18.491164][   T12]  <TASK>
[   18.491233][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.491384][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.491536][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   18.491656][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.491781][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.491907][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.492026][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.492144][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.492264][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.492385][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   18.492503][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.492633][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   18.492759][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.492880][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.493000][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.493119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.493239][   T12]  process_one_work (kernel/workqueue.c:3314)
[   18.493361][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.493480][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.493606][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.493734][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.493853][   T12]  kthread (kernel/kthread.c:436)
[   18.493957][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.494107][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.494226][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.494345][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.494491][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.494612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.494733][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.499187][  T402] ------------[ cut here ]------------
| [   18.499332][  T402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/402
| [   18.499562][  T402] Modules linked in:
| [   18.499943][  T402] Tainted: [W]=WARN
[   18.500040][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.500199][  T402] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.500367][  T402] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.500836][  T402] RSP: 0018:ffa0000001357a80 EFLAGS: 00010286
[   18.501006][  T402] RAX: 00000000ffffffa6 RBX: ff1100000d31b8c0 RCX: 1ff400000026af16
[   18.501198][  T402] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b97c
[   18.501391][  T402] RBP: ff11000007921000 R08: 1fe2200001a63731 R09: ff110000104b2e80
[   18.501585][  T402] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.501781][  T402] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007921000
[   18.501978][  T402] FS:  00007f3ced6d1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.502206][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.502367][  T402] CR2: 00007f3d6726b2a0 CR3: 000000000ec47003 CR4: 0000000000771ef0
[   18.502567][  T402] PKRU: 55555554
[   18.502665][  T402] Call Trace:
[   18.502768][  T402]  <TASK>
[   18.502834][  T402]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.502970][  T402]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.503100][  T402]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.503199][  T402]  register_netdevice (net/core/dev.c:11488)
[   18.503329][  T402]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.503489][  T402]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.503622][  T402]  register_netdev (net/core/dev.c:11552)
[   18.503756][  T402]  loopback_net_init (drivers/net/loopback.c:218)
[   18.503891][  T402]  ops_init (net/core/net_namespace.c:137)
[   18.503992][  T402]  setup_net (net/core/net_namespace.c:446)
[   18.504090][  T402]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.504217][  T402]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.504345][  T402]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.504475][  T402]  copy_net_ns (net/core/net_namespace.c:579)
[   18.504609][  T402]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.504745][  T402]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.504881][  T402]  ksys_unshare (kernel/fork.c:3243)
[   18.505011][  T402]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.505139][  T402]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.505269][  T402]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.505399][  T402]  ? __ia32_sys_open (fs/open.c:1374)
[   18.505532][  T402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.505659][  T402]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.505794][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.505929][  T402]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.506058][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.506188][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.506347][  T402] RIP: 0033:0x7f3ced993bcb
[   18.506482][  T402] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.506957][  T402] RSP: 002b:00007fffb7847708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.507150][  T402] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ced993bcb
[   18.507343][  T402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.507536][  T402] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.507735][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb7849930
[   18.507932][  T402] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb784b847
| [   18.512032][  T402] ------------[ cut here ]------------
| [   18.512165][  T402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/402
| [   18.512388][  T402] Modules linked in:
| [   18.512752][  T402] Tainted: [W]=WARN
[   18.512851][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.513016][  T402] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.513182][  T402] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.513639][  T402] RSP: 0018:ffa0000001357918 EFLAGS: 00010286
[   18.513803][  T402] RAX: 00000000ffffffa6 RBX: ff1100000a9a6740 RCX: 1ff400000026aee9
[   18.513998][  T402] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a67fc
[   18.514187][  T402] RBP: ff1100000a894000 R08: 1fe2200001534d01 R09: ff110000104b2e80
[   18.514377][  T402] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.514572][  T402] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a894000
[   18.514772][  T402] FS:  00007f3ced6d1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.514999][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.515158][  T402] CR2: 00007f3d6726b2a0 CR3: 000000000ec47003 CR4: 0000000000771ef0
[   18.515352][  T402] PKRU: 55555554
[   18.515447][  T402] Call Trace:
[   18.515547][  T402]  <TASK>
[   18.515614][  T402]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.515748][  T402]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.515881][  T402]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.515978][  T402]  register_netdevice (net/core/dev.c:11488)
[   18.516108][  T402]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.516270][  T402]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.516399][  T402]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.516530][  T402]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   18.516659][  T402]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.516794][  T402]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.516927][  T402]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   18.517057][  T402]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   18.517188][  T402]  ops_init (net/core/net_namespace.c:137)
[   18.517287][  T402]  setup_net (net/core/net_namespace.c:446)
[   18.517385][  T402]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.517516][  T402]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.517644][  T402]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.517779][  T402]  copy_net_ns (net/core/net_namespace.c:579)
[   18.517912][  T402]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.518042][  T402]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.518172][  T402]  ksys_unshare (kernel/fork.c:3243)
[   18.518301][  T402]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.518428][  T402]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.518558][  T402]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.518691][  T402]  ? __ia32_sys_open (fs/open.c:1374)
[   18.518821][  T402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.518954][  T402]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.519082][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.519209][  T402]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.519336][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.519462][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.519623][  T402] RIP: 0033:0x7f3ced993bcb
[   18.519761][  T402] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.520223][  T402] RSP: 002b:00007fffb7847708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.520417][  T402] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ced993bcb
[   18.520612][  T402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.520809][  T402] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.521007][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb7849930
[   18.521197][  T402] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb784b847
| [   18.525011][  T402] ------------[ cut here ]------------
| [   18.525147][  T402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/402
| [   18.525374][  T402] Modules linked in:
| [   18.525745][  T402] Tainted: [W]=WARN
[   18.525846][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.526013][  T402] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.526182][  T402] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.526651][  T402] RSP: 0018:ffa00000013578f8 EFLAGS: 00010286
[   18.526818][  T402] RAX: 00000000ffffffa6 RBX: ff1100000e529700 RCX: 1ff400000026aee5
[   18.527017][  T402] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5297bc
[   18.527212][  T402] RBP: ff110000104a9000 R08: 1fe2200001ca52f9 R09: ff110000104b2e80
[   18.527404][  T402] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.527602][  T402] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000104a9000
[   18.527803][  T402] FS:  00007f3ced6d1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.528036][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.528197][  T402] CR2: 00007f3d6726b2a0 CR3: 000000000ec47003 CR4: 0000000000771ef0
[   18.528394][  T402] PKRU: 55555554
[   18.528492][  T402] Call Trace:
[   18.528593][  T402]  <TASK>
[   18.528661][  T402]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.528797][  T402]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.528933][  T402]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.529033][  T402]  register_netdevice (net/core/dev.c:11488)
[   18.529165][  T402]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.529332][  T402]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.529464][  T402]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.529598][  T402]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   18.529733][  T402]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.529871][  T402]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.530002][  T402]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   18.530135][  T402]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   18.530266][  T402]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.530400][  T402]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.530534][  T402]  ops_init (net/core/net_namespace.c:137)
[   18.530634][  T402]  setup_net (net/core/net_namespace.c:446)
[   18.530739][  T402]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.530874][  T402]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.531005][  T402]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.531138][  T402]  copy_net_ns (net/core/net_namespace.c:579)
[   18.531272][  T402]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.531406][  T402]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.531541][  T402]  ksys_unshare (kernel/fork.c:3243)
[   18.531674][  T402]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.531811][  T402]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.531945][  T402]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.532078][  T402]  ? __ia32_sys_open (fs/open.c:1374)
[   18.532212][  T402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.532343][  T402]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.532473][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.532607][  T402]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.532743][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.532878][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.533040][  T402] RIP: 0033:0x7f3ced993bcb
[   18.533177][  T402] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.533645][  T402] RSP: 002b:00007fffb7847708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.533846][  T402] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ced993bcb
[   18.534045][  T402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.534241][  T402] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.534434][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb7849930
[   18.534632][  T402] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb784b847
| [   18.538648][  T402] ------------[ cut here ]------------
| [   18.538787][  T402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/402
| [   18.539017][  T402] Modules linked in:
| [   18.539377][  T402] Tainted: [W]=WARN
[   18.539475][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.539640][  T402] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.539813][  T402] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.540273][  T402] RSP: 0018:ffa0000001357a78 EFLAGS: 00010286
[   18.540435][  T402] RAX: 00000000ffffffa6 RBX: ff1100000e528900 RCX: 1ff400000026af15
[   18.540631][  T402] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5289bc
[   18.540831][  T402] RBP: ff11000008d3c000 R08: 1fe2200001ca5139 R09: ff110000104b2e80
[   18.541028][  T402] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.541220][  T402] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d3c000
[   18.541415][  T402] FS:  00007f3ced6d1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.541643][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.541812][  T402] CR2: 00007f3d6726b2a0 CR3: 000000000ec47003 CR4: 0000000000771ef0
[   18.542012][  T402] PKRU: 55555554
[   18.542108][  T402] Call Trace:
[   18.542205][  T402]  <TASK>
[   18.542271][  T402]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.542400][  T402]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.542532][  T402]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.542632][  T402]  register_netdevice (net/core/dev.c:11488)
[   18.542769][  T402]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.542934][  T402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.543066][  T402]  register_netdev (net/core/dev.c:11552)
[   18.543195][  T402]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.543326][  T402]  ops_init (net/core/net_namespace.c:137)
[   18.543425][  T402]  setup_net (net/core/net_namespace.c:446)
[   18.543527][  T402]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.543655][  T402]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.543788][  T402]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.543927][  T402]  copy_net_ns (net/core/net_namespace.c:579)
[   18.544057][  T402]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.544189][  T402]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.544318][  T402]  ksys_unshare (kernel/fork.c:3243)
[   18.544449][  T402]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.544582][  T402]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.544718][  T402]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.544850][  T402]  ? __ia32_sys_open (fs/open.c:1374)
[   18.544985][  T402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.545114][  T402]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.545243][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.545374][  T402]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.545502][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.545636][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.545800][  T402] RIP: 0033:0x7f3ced993bcb
[   18.545939][  T402] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.546397][  T402] RSP: 002b:00007fffb7847708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.546596][  T402] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ced993bcb
[   18.546790][  T402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.546985][  T402] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.547177][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb7849930
[   18.547367][  T402] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb784b847
| [   18.551382][  T402] ------------[ cut here ]------------
| [   18.551519][  T402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/402
| [   18.551748][  T402] Modules linked in:
| [   18.552112][  T402] Tainted: [W]=WARN
[   18.552211][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.552372][  T402] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.552542][  T402] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.553011][  T402] RSP: 0018:ffa0000001357a68 EFLAGS: 00010286
[   18.553175][  T402] RAX: 00000000ffffffa6 RBX: ff1100000a9a78c0 RCX: 1ff400000026af13
[   18.553368][  T402] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a797c
[   18.553566][  T402] RBP: ff1100000ff6c000 R08: 1fe2200001534f31 R09: ff110000104b2e80
[   18.553765][  T402] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.553964][  T402] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff6c000
[   18.554158][  T402] FS:  00007f3ced6d1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.554381][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.554546][  T402] CR2: 00007f3d6726b2a0 CR3: 000000000ec47003 CR4: 0000000000771ef0
[   18.554745][  T402] PKRU: 55555554
[   18.554843][  T402] Call Trace:
[   18.554943][  T402]  <TASK>
[   18.555009][  T402]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.555137][  T402]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.555266][  T402]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.555364][  T402]  register_netdevice (net/core/dev.c:11488)
[   18.555494][  T402]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.555662][  T402]  register_netdev (net/core/dev.c:11552)
[   18.555799][  T402]  sit_init_net (net/ipv6/sit.c:1860)
[   18.555935][  T402]  ops_init (net/core/net_namespace.c:137)
[   18.556035][  T402]  setup_net (net/core/net_namespace.c:446)
[   18.556133][  T402]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.556259][  T402]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.556388][  T402]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.556520][  T402]  copy_net_ns (net/core/net_namespace.c:579)
[   18.556652][  T402]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.556789][  T402]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.556924][  T402]  ksys_unshare (kernel/fork.c:3243)
[   18.557052][  T402]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.557180][  T402]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.557309][  T402]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.557438][  T402]  ? __ia32_sys_open (fs/open.c:1374)
[   18.557574][  T402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.557709][  T402]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.557837][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.557974][  T402]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.558102][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.558230][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.558389][  T402] RIP: 0033:0x7f3ced993bcb
[   18.558525][  T402] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.558992][  T402] RSP: 002b:00007fffb7847708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.559184][  T402] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ced993bcb
[   18.559376][  T402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.559574][  T402] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.559770][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb7849930
[   18.559965][  T402] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb784b847
| [   18.568554][  T402] ------------[ cut here ]------------
| [   18.568691][  T402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/402
| [   18.568921][  T402] Modules linked in:
| [   18.569284][  T402] Tainted: [W]=WARN
[   18.569382][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.569548][  T402] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.569720][  T402] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.570185][  T402] RSP: 0018:ffa0000001357a78 EFLAGS: 00010286
[   18.570348][  T402] RAX: 00000000ffffffa6 RBX: ff1100000e441380 RCX: 1ff400000026af15
[   18.570546][  T402] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44143c
[   18.570744][  T402] RBP: ff1100000e714000 R08: 1fe2200001c88289 R09: ff110000104b2e80
[   18.570944][  T402] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.571137][  T402] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e714000
[   18.571332][  T402] FS:  00007f3ced6d1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   18.571564][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.571730][  T402] CR2: 00007f3d6726b2a0 CR3: 000000000ec47003 CR4: 0000000000771ef0
[   18.571933][  T402] PKRU: 55555554
[   18.572030][  T402] Call Trace:
[   18.572126][  T402]  <TASK>
[   18.572192][  T402]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.572322][  T402]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.572452][  T402]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.572553][  T402]  register_netdevice (net/core/dev.c:11488)
[   18.572689][  T402]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.572849][  T402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.572987][  T402]  register_netdev (net/core/dev.c:11552)
[   18.573118][  T402]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.573249][  T402]  ops_init (net/core/net_namespace.c:137)
[   18.573348][  T402]  setup_net (net/core/net_namespace.c:446)
[   18.573445][  T402]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.573576][  T402]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.573712][  T402]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.573843][  T402]  copy_net_ns (net/core/net_namespace.c:579)
[   18.573976][  T402]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.574109][  T402]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.574239][  T402]  ksys_unshare (kernel/fork.c:3243)
[   18.574367][  T402]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.574498][  T402]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.574630][  T402]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.574766][  T402]  ? __ia32_sys_open (fs/open.c:1374)
[   18.574902][  T402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.575030][  T402]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.575159][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.575287][  T402]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.575416][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.575549][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.575714][  T402] RIP: 0033:0x7f3ced993bcb
[   18.575848][  T402] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.576314][  T402] RSP: 002b:00007fffb7847708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.576515][  T402] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ced993bcb
[   18.576712][  T402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.576910][  T402] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.577103][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb7849930
[   18.577298][  T402] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb784b847
| [   18.615007][  T403] ------------[ cut here ]------------
| [   18.615154][  T403] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/403
| [   18.615381][  T403] Modules linked in:
| [   18.615751][  T403] Tainted: [W]=WARN
[   18.615848][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.616021][  T403] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.616190][  T403] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.616656][  T403] RSP: 0018:ffa0000001367020 EFLAGS: 00010286
[   18.616824][  T403] RAX: 00000000ffffffa6 RBX: ff1100000ba9d700 RCX: 1ff400000026cdca
[   18.617022][  T403] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba9d7bc
[   18.617216][  T403] RBP: ff11000007921000 R08: 1fe2200001753af9 R09: ff110000106fd158
[   18.617413][  T403] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   18.617611][  T403] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.617810][  T403] FS:  00007f65cede2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   18.618040][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.618201][  T403] CR2: 00007f65cf0b21a0 CR3: 000000000ab50004 CR4: 0000000000771ef0
[   18.618395][  T403] PKRU: 55555554
[   18.618490][  T403] Call Trace:
[   18.618589][  T403]  <TASK>
[   18.618655][  T403]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.618790][  T403]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.618894][  T403]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.619023][  T403]  __dev_notify_flags (net/core/dev.c:9787)
[   18.619153][  T403]  ? netif_change_name (net/core/dev.c:1495)
[   18.619283][  T403]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.619412][  T403]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.619546][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.619675][  T403]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   18.619814][  T403]  netif_change_flags (net/core/dev.c:9820)
[   18.619953][  T403]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.620083][  T403]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.620215][  T403]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.620344][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.620507][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.620638][  T403]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.620775][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.620908][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.621038][  T403]  ? __kernel_text_address (kernel/extable.c:79)
[   18.621167][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.621298][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.621427][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.621562][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.621695][  T403]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.621825][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.622457][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.622593][  T403]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.622727][  T403]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   18.622856][  T403]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.622990][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.623120][  T403]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.623252][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.623385][  T403]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.623519][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.623648][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.623783][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.623917][  T403]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.624045][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.624180][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.624309][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.624437][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.624571][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.624708][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.624838][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.624972][  T403]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.625101][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.625229][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.625361][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.625489][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.625621][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.625755][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.625889][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.626024][  T403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.626154][  T403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.626285][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.626415][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.626549][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.626684][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.626814][  T403]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.626947][  T403]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.627080][  T403]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.627210][  T403]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.627339][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.627497][  T403]  ? move_addr_to_kernel (net/socket.c:258)
[   18.627632][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.627766][  T403]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.627902][  T403]  ___sys_sendmsg (net/socket.c:2752)
[   18.628030][  T403]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.628192][  T403]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.628333][  T403]  __sys_sendmsg (net/socket.c:2784)
[   18.628463][  T403]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.628596][  T403]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.628764][  T403]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.628902][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.629033][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.629162][  T403]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.629291][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.629420][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.629582][  T403] RIP: 0033:0x7f65cf01c08e
[   18.629722][  T403] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.630187][  T403] RSP: 002b:00007ffed81c9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.630380][  T403] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65cf01c08e
[   18.630576][  T403] RDX: 0000000000000000 RSI: 00007ffed81c9530 RDI: 0000000000000005
[   18.630775][  T403] RBP: 00007ffed81c9490 R08: 0000000000000000 R09: 0000000000000000
[   18.630973][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcfe
[   18.631164][  T403] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed81c9c00
| [   18.819345][  T411] ------------[ cut here ]------------
| [   18.819497][  T411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/411
| [   18.819740][  T411] Modules linked in:
| [   18.820121][  T411] Tainted: [W]=WARN
[   18.820221][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.820386][  T411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.820564][  T411] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.821045][  T411] RSP: 0018:ffa0000000d67a80 EFLAGS: 00010286
[   18.821210][  T411] RAX: 00000000ffffffa6 RBX: ff1100000b8de040 RCX: 1ff40000001acf16
[   18.821406][  T411] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8de0fc
[   18.821608][  T411] RBP: ff1100000fdd4000 R08: 1fe220000171bc21 R09: ff11000009768b80
[   18.821812][  T411] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.822011][  T411] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdd4000
[   18.822209][  T411] FS:  00007f30fdc3a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   18.822439][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.822610][  T411] CR2: 00007f30fde3bc20 CR3: 000000001005c003 CR4: 0000000000771ef0
[   18.822812][  T411] PKRU: 55555554
[   18.822914][  T411] Call Trace:
[   18.823012][  T411]  <TASK>
[   18.823081][  T411]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.823214][  T411]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.823346][  T411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.823448][  T411]  register_netdevice (net/core/dev.c:11488)
[   18.823584][  T411]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.823752][  T411]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.823891][  T411]  register_netdev (net/core/dev.c:11552)
[   18.824021][  T411]  loopback_net_init (drivers/net/loopback.c:218)
[   18.824155][  T411]  ops_init (net/core/net_namespace.c:137)
[   18.824255][  T411]  setup_net (net/core/net_namespace.c:446)
[   18.824357][  T411]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.824488][  T411]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.824622][  T411]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.824760][  T411]  copy_net_ns (net/core/net_namespace.c:579)
[   18.824898][  T411]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.825032][  T411]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.825164][  T411]  ksys_unshare (kernel/fork.c:3243)
[   18.825296][  T411]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.825427][  T411]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.825562][  T411]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.825700][  T411]  ? __ia32_sys_open (fs/open.c:1374)
[   18.825834][  T411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.825971][  T411]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.826101][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.826231][  T411]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.826362][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.826492][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.826659][  T411] RIP: 0033:0x7f30fdefcbcb
[   18.826800][  T411] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.827271][  T411] RSP: 002b:00007ffc81c999a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.827470][  T411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30fdefcbcb
[   18.827670][  T411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.827877][  T411] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.828074][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81c9bbd0
[   18.828269][  T411] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81c9c847
| [   18.832471][  T411] ------------[ cut here ]------------
| [   18.832612][  T411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/411
| [   18.832843][  T411] Modules linked in:
| [   18.833673][  T411] Tainted: [W]=WARN
[   18.833776][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.833945][  T411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.834114][  T411] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.834575][  T411] RSP: 0018:ffa0000000d67918 EFLAGS: 00010286
[   18.834745][  T411] RAX: 00000000ffffffa6 RBX: ff1100000b963380 RCX: 1ff40000001acee9
[   18.834944][  T411] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96343c
[   18.835137][  T411] RBP: ff11000010411000 R08: 1fe220000172c689 R09: ff11000009768b80
[   18.835330][  T411] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.835527][  T411] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010411000
[   18.835730][  T411] FS:  00007f30fdc3a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   18.835965][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.836129][  T411] CR2: 00007f30fde3bc20 CR3: 000000001005c003 CR4: 0000000000771ef0
[   18.836324][  T411] PKRU: 55555554
[   18.836422][  T411] Call Trace:
[   18.836522][  T411]  <TASK>
[   18.836590][  T411]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.836726][  T411]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.836858][  T411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.836967][  T411]  register_netdevice (net/core/dev.c:11488)
[   18.837099][  T411]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.837262][  T411]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.837396][  T411]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.837531][  T411]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   18.837662][  T411]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.837799][  T411]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.837934][  T411]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   18.838067][  T411]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   18.838199][  T411]  ops_init (net/core/net_namespace.c:137)
[   18.838298][  T411]  setup_net (net/core/net_namespace.c:446)
[   18.838398][  T411]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.838531][  T411]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.838664][  T411]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.838802][  T411]  copy_net_ns (net/core/net_namespace.c:579)
[   18.838940][  T411]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.839074][  T411]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.839205][  T411]  ksys_unshare (kernel/fork.c:3243)
[   18.839335][  T411]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.839466][  T411]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.839602][  T411]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.839738][  T411]  ? __ia32_sys_open (fs/open.c:1374)
[   18.839876][  T411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.840006][  T411]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.840136][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.840265][  T411]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.840397][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.840531][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.840699][  T411] RIP: 0033:0x7f30fdefcbcb
[   18.840834][  T411] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.841308][  T411] RSP: 002b:00007ffc81c999a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.841507][  T411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30fdefcbcb
[   18.841711][  T411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.841911][  T411] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.842105][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81c9bbd0
[   18.842299][  T411] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81c9c847
| [   18.859962][  T411] ------------[ cut here ]------------
| [   18.860104][  T411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/411
| [   18.860333][  T411] Modules linked in:
| [   18.860714][  T411] Tainted: [W]=WARN
[   18.860813][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.860985][  T411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.861158][  T411] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.861630][  T411] RSP: 0018:ffa0000000d678f8 EFLAGS: 00010286
[   18.861805][  T411] RAX: 00000000ffffffa6 RBX: ff1100000c04a040 RCX: 1ff40000001acee5
[   18.862008][  T411] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a0fc
[   18.862204][  T411] RBP: ff11000010244000 R08: 1fe2200001809421 R09: ff11000009768b80
[   18.862402][  T411] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.862604][  T411] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010244000
[   18.862811][  T411] FS:  00007f30fdc3a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   18.863046][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.863211][  T411] CR2: 00007f30fde3bc20 CR3: 000000001005c003 CR4: 0000000000771ef0
[   18.863414][  T411] PKRU: 55555554
[   18.863517][  T411] Call Trace:
[   18.863616][  T411]  <TASK>
[   18.863691][  T411]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.863825][  T411]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.863964][  T411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.864068][  T411]  register_netdevice (net/core/dev.c:11488)
[   18.864206][  T411]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.864373][  T411]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.864510][  T411]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.864646][  T411]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   18.864786][  T411]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.864928][  T411]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.865062][  T411]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   18.865196][  T411]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   18.865328][  T411]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.865463][  T411]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.865599][  T411]  ops_init (net/core/net_namespace.c:137)
[   18.865705][  T411]  setup_net (net/core/net_namespace.c:446)
[   18.865806][  T411]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.865942][  T411]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.866075][  T411]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.866208][  T411]  copy_net_ns (net/core/net_namespace.c:579)
[   18.866341][  T411]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.866478][  T411]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.866614][  T411]  ksys_unshare (kernel/fork.c:3243)
[   18.866752][  T411]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.866891][  T411]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.867023][  T411]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.867155][  T411]  ? __ia32_sys_open (fs/open.c:1374)
[   18.867288][  T411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.867419][  T411]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.867553][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.867691][  T411]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.867822][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.867959][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.868123][  T411] RIP: 0033:0x7f30fdefcbcb
[   18.868261][  T411] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.868737][  T411] RSP: 002b:00007ffc81c999a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.868941][  T411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30fdefcbcb
[   18.869136][  T411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.869332][  T411] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.869531][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81c9bbd0
[   18.869735][  T411] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81c9c847
| [   18.873802][  T411] ------------[ cut here ]------------
| [   18.873946][  T411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/411
| [   18.874173][  T411] Modules linked in:
| [   18.874537][  T411] Tainted: [W]=WARN
[   18.874637][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.874805][  T411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.874980][  T411] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.875445][  T411] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   18.875612][  T411] RAX: 00000000ffffffa6 RBX: ff1100000b8df700 RCX: 1ff40000001acf15
[   18.875814][  T411] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8df7bc
[   18.876014][  T411] RBP: ff1100000a3c4000 R08: 1fe220000171bef9 R09: ff11000009768b80
[   18.876209][  T411] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.876404][  T411] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3c4000
[   18.876606][  T411] FS:  00007f30fdc3a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   18.876842][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.877010][  T411] CR2: 00007f30fde3bc20 CR3: 000000001005c003 CR4: 0000000000771ef0
[   18.877209][  T411] PKRU: 55555554
[   18.877307][  T411] Call Trace:
[   18.877405][  T411]  <TASK>
[   18.877473][  T411]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.877610][  T411]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.877749][  T411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.877849][  T411]  register_netdevice (net/core/dev.c:11488)
[   18.877988][  T411]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.878152][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.878286][  T411]  register_netdev (net/core/dev.c:11552)
[   18.878417][  T411]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.878553][  T411]  ops_init (net/core/net_namespace.c:137)
[   18.878656][  T411]  setup_net (net/core/net_namespace.c:446)
[   18.878761][  T411]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.878896][  T411]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.879028][  T411]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.879161][  T411]  copy_net_ns (net/core/net_namespace.c:579)
[   18.879294][  T411]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.879427][  T411]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.879562][  T411]  ksys_unshare (kernel/fork.c:3243)
[   18.879695][  T411]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.879825][  T411]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.879962][  T411]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.880093][  T411]  ? __ia32_sys_open (fs/open.c:1374)
[   18.880225][  T411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.880355][  T411]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.880487][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.880619][  T411]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.880753][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.880890][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.881053][  T411] RIP: 0033:0x7f30fdefcbcb
[   18.881188][  T411] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.881655][  T411] RSP: 002b:00007ffc81c999a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.881855][  T411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30fdefcbcb
[   18.882056][  T411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.882250][  T411] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.882445][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81c9bbd0
[   18.882643][  T411] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81c9c847
| [   18.887810][  T411] ------------[ cut here ]------------
| [   18.887956][  T411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/411
| [   18.888184][  T411] Modules linked in:
| [   18.888552][  T411] Tainted: [W]=WARN
[   18.888652][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.888823][  T411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.889000][  T411] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.889471][  T411] RSP: 0018:ffa0000000d67a68 EFLAGS: 00010286
[   18.889641][  T411] RAX: 00000000ffffffa6 RBX: ff110000109b8e40 RCX: 1ff40000001acf13
[   18.889843][  T411] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8efc
[   18.890043][  T411] RBP: ff110000103f4000 R08: 1fe22000021371e1 R09: ff11000009768b80
[   18.890240][  T411] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.890436][  T411] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103f4000
[   18.890639][  T411] FS:  00007f30fdc3a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   18.890879][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.891041][  T411] CR2: 00007f30fde3bc20 CR3: 000000001005c003 CR4: 0000000000771ef0
[   18.891238][  T411] PKRU: 55555554
[   18.891336][  T411] Call Trace:
[   18.891434][  T411]  <TASK>
[   18.891503][  T411]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.891639][  T411]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.891775][  T411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.891880][  T411]  register_netdevice (net/core/dev.c:11488)
[   18.892013][  T411]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.892182][  T411]  register_netdev (net/core/dev.c:11552)
[   18.892315][  T411]  sit_init_net (net/ipv6/sit.c:1860)
[   18.892449][  T411]  ops_init (net/core/net_namespace.c:137)
[   18.892552][  T411]  setup_net (net/core/net_namespace.c:446)
[   18.892653][  T411]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.892787][  T411]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.892925][  T411]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.893059][  T411]  copy_net_ns (net/core/net_namespace.c:579)
[   18.893192][  T411]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.893325][  T411]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.893458][  T411]  ksys_unshare (kernel/fork.c:3243)
[   18.893592][  T411]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.893727][  T411]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.893858][  T411]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.894050][  T411]  ? __ia32_sys_open (fs/open.c:1374)
[   18.894183][  T411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.894313][  T411]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.894443][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.894578][  T411]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.894715][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.894847][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.895064][  T411] RIP: 0033:0x7f30fdefcbcb
[   18.895203][  T411] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.895674][  T411] RSP: 002b:00007ffc81c999a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.895931][  T411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30fdefcbcb
[   18.896130][  T411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.896325][  T411] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.896521][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81c9bbd0
[   18.896722][  T411] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81c9c847
| [   18.902138][  T411] ------------[ cut here ]------------
| [   18.902317][  T411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/411
| [   18.902601][  T411] Modules linked in:
| [   18.903085][  T411] Tainted: [W]=WARN
[   18.903231][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.903443][  T411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.903667][  T411] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.904203][  T411] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   18.904416][  T411] RAX: 00000000ffffffa6 RBX: ff1100000c04b540 RCX: 1ff40000001acf15
[   18.904666][  T411] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b5fc
[   18.904934][  T411] RBP: ff1100000ff59000 R08: 1fe22000018096c1 R09: ff11000009768b80
[   18.905176][  T411] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.905417][  T411] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff59000
[   18.905670][  T411] FS:  00007f30fdc3a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   18.905972][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.906184][  T411] CR2: 00007f31a54d6000 CR3: 000000001005c003 CR4: 0000000000771ef0
[   18.906428][  T411] PKRU: 55555554
[   18.906580][  T411] Call Trace:
[   18.906732][  T411]  <TASK>
[   18.906848][  T411]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.907043][  T411]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.907223][  T411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.907372][  T411]  register_netdevice (net/core/dev.c:11488)
[   18.907558][  T411]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.907779][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.907973][  T411]  register_netdev (net/core/dev.c:11552)
[   18.908153][  T411]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.908332][  T411]  ops_init (net/core/net_namespace.c:137)
[   18.908481][  T411]  setup_net (net/core/net_namespace.c:446)
[   18.908637][  T411]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.908822][  T411]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.909016][  T411]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.909199][  T411]  copy_net_ns (net/core/net_namespace.c:579)
[   18.909379][  T411]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.909566][  T411]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.909760][  T411]  ksys_unshare (kernel/fork.c:3243)
[   18.909951][  T411]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.910131][  T411]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.910311][  T411]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.910491][  T411]  ? __ia32_sys_open (fs/open.c:1374)
[   18.910677][  T411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.910879][  T411]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.911057][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.911238][  T411]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.911417][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.911604][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.911822][  T411] RIP: 0033:0x7f30fdefcbcb
[   18.912020][  T411] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.912534][  T411] RSP: 002b:00007ffc81c999a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.912789][  T411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30fdefcbcb
[   18.913045][  T411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.913286][  T411] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.913532][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81c9bbd0
[   18.913783][  T411] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81c9c847
| [   18.946535][  T412] ------------[ cut here ]------------
| [   18.946690][  T412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/412
| [   18.946933][  T412] Modules linked in:
| [   18.947301][  T412] Tainted: [W]=WARN
[   18.947400][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.947568][  T412] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.947744][  T412] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.948220][  T412] RSP: 0018:ffa00000013c7020 EFLAGS: 00010286
[   18.948384][  T412] RAX: 00000000ffffffa6 RBX: ff1100000cbc4ac0 RCX: 1ff4000000278dca
[   18.948581][  T412] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbc4b7c
[   18.948797][  T412] RBP: ff1100000fdd4000 R08: 1fe2200001978971 R09: ff1100000f0bae58
[   18.949000][  T412] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   18.949192][  T412] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.949388][  T412] FS:  00007f8caea00840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   18.949621][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.949797][  T412] CR2: 00007f8caecd01a0 CR3: 000000000f0c0001 CR4: 0000000000771ef0
[   18.950001][  T412] PKRU: 55555554
[   18.950099][  T412] Call Trace:
[   18.950196][  T412]  <TASK>
[   18.950263][  T412]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.950395][  T412]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.950496][  T412]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.950631][  T412]  __dev_notify_flags (net/core/dev.c:9787)
[   18.950769][  T412]  ? netif_change_name (net/core/dev.c:1495)
[   18.950905][  T412]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.951037][  T412]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.951167][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.951298][  T412]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   18.951433][  T412]  netif_change_flags (net/core/dev.c:9820)
[   18.951569][  T412]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.951708][  T412]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.951842][  T412]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.951977][  T412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.952141][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.952271][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.952403][  T412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.952537][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.952671][  T412]  ? __kernel_text_address (kernel/extable.c:79)
[   18.952810][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.952947][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.953077][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.953209][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.953340][  T412]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.953468][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.953602][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.953739][  T412]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.953877][  T412]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   18.954008][  T412]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.954137][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.954270][  T412]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.954405][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.954543][  T412]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.954676][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.954813][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.954947][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.955078][  T412]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.955208][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.955342][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.955472][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.955607][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.955744][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.955882][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.956013][  T412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.956144][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.956274][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.956405][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.956542][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.956673][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.956811][  T412]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.956947][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.957079][  T412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.957214][  T412]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.957344][  T412]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.957478][  T412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.957615][  T412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.957751][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.957887][  T412]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.958020][  T412]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.958152][  T412]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.958285][  T412]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.958417][  T412]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.958550][  T412]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.958719][  T412]  ? move_addr_to_kernel (net/socket.c:258)
[   18.958851][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.958988][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.959120][  T412]  ___sys_sendmsg (net/socket.c:2752)
[   18.959249][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.959412][  T412]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.959560][  T412]  __sys_sendmsg (net/socket.c:2784)
[   18.959694][  T412]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.959825][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.959995][  T412]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.960125][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.960256][  T412]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.960387][  T412]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.960520][  T412]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.960651][  T412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.960821][  T412] RIP: 0033:0x7f8caec3a08e
[   18.960964][  T412] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.961426][  T412] RSP: 002b:00007fff269ad300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.961625][  T412] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8caec3a08e
[   18.961825][  T412] RDX: 0000000000000000 RSI: 00007fff269ad3b0 RDI: 0000000000000005
[   18.962024][  T412] RBP: 00007fff269ad310 R08: 0000000000000000 R09: 0000000000000000
[   18.962218][  T412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   18.962411][  T412] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff269ada80
| [   19.161280][  T421] ------------[ cut here ]------------
| [   19.161440][  T421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/421
| [   19.161677][  T421] Modules linked in:
| [   19.162062][  T421] Tainted: [W]=WARN
[   19.162162][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.162326][  T421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.162497][  T421] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.162980][  T421] RSP: 0018:ffa0000001427a80 EFLAGS: 00010286
[   19.163146][  T421] RAX: 00000000ffffffa6 RBX: ff1100000b7d51c0 RCX: 1ff4000000284f16
[   19.163342][  T421] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d527c
[   19.163542][  T421] RBP: ff11000008c11000 R08: 1fe22000016faa51 R09: ff1100000ec50b80
[   19.163743][  T421] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.163941][  T421] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c11000
[   19.164138][  T421] FS:  00007f78bcf7e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   19.164369][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.164536][  T421] CR2: 00007f78bd17fc20 CR3: 0000000010a77004 CR4: 0000000000771ef0
[   19.164737][  T421] PKRU: 55555554
[   19.164835][  T421] Call Trace:
[   19.164941][  T421]  <TASK>
[   19.165011][  T421]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.165142][  T421]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.165274][  T421]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.165374][  T421]  register_netdevice (net/core/dev.c:11488)
[   19.165507][  T421]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.165671][  T421]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.165812][  T421]  register_netdev (net/core/dev.c:11552)
[   19.165947][  T421]  loopback_net_init (drivers/net/loopback.c:218)
[   19.166079][  T421]  ops_init (net/core/net_namespace.c:137)
[   19.166180][  T421]  setup_net (net/core/net_namespace.c:446)
[   19.166278][  T421]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.166408][  T421]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.166542][  T421]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.166675][  T421]  copy_net_ns (net/core/net_namespace.c:579)
[   19.166814][  T421]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.166950][  T421]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.167082][  T421]  ksys_unshare (kernel/fork.c:3243)
[   19.167212][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.167343][  T421]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.167472][  T421]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.167608][  T421]  ? __ia32_sys_open (fs/open.c:1374)
[   19.167748][  T421]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.167881][  T421]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.168011][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.168140][  T421]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.168270][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.168400][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.168564][  T421] RIP: 0033:0x7f78bd240bcb
[   19.168704][  T421] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.169174][  T421] RSP: 002b:00007fffff14cf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.169371][  T421] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78bd240bcb
[   19.169569][  T421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.169772][  T421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.169971][  T421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffff14f190
[   19.170167][  T421] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffff150847
| [   19.174369][  T421] ------------[ cut here ]------------
| [   19.174505][  T421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/421
| [   19.174735][  T421] Modules linked in:
| [   19.175103][  T421] Tainted: [W]=WARN
[   19.175202][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.175364][  T421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.175537][  T421] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.176011][  T421] RSP: 0018:ffa0000001427918 EFLAGS: 00010286
[   19.176174][  T421] RAX: 00000000ffffffa6 RBX: ff1100000fc4a040 RCX: 1ff4000000284ee9
[   19.176368][  T421] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a0fc
[   19.176565][  T421] RBP: ff1100000ef54000 R08: 1fe2200001f89421 R09: ff1100000ec50b80
[   19.176765][  T421] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.176963][  T421] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef54000
[   19.177158][  T421] FS:  00007f78bcf7e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   19.177384][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.177551][  T421] CR2: 00007f78bd17fc20 CR3: 0000000010a77004 CR4: 0000000000771ef0
[   19.177753][  T421] PKRU: 55555554
[   19.177850][  T421] Call Trace:
[   19.177952][  T421]  <TASK>
[   19.178020][  T421]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.178151][  T421]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.178280][  T421]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.178380][  T421]  register_netdevice (net/core/dev.c:11488)
[   19.178514][  T421]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.178677][  T421]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.178813][  T421]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.178948][  T421]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.179076][  T421]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.179207][  T421]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.179339][  T421]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.179471][  T421]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   19.179608][  T421]  ops_init (net/core/net_namespace.c:137)
[   19.179714][  T421]  setup_net (net/core/net_namespace.c:446)
[   19.179813][  T421]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.179950][  T421]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.180080][  T421]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.180214][  T421]  copy_net_ns (net/core/net_namespace.c:579)
[   19.180345][  T421]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.180477][  T421]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.180611][  T421]  ksys_unshare (kernel/fork.c:3243)
[   19.180744][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.180879][  T421]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.181009][  T421]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.181141][  T421]  ? __ia32_sys_open (fs/open.c:1374)
[   19.181273][  T421]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.181403][  T421]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.181537][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.181669][  T421]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.181806][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.181942][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.182105][  T421] RIP: 0033:0x7f78bd240bcb
[   19.182243][  T421] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.182712][  T421] RSP: 002b:00007fffff14cf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.182912][  T421] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78bd240bcb
[   19.183107][  T421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.183299][  T421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.183491][  T421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffff14f190
[   19.183694][  T421] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffff150847
| [   19.188621][  T421] ------------[ cut here ]------------
| [   19.188776][  T421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/421
| [   19.189013][  T421] Modules linked in:
| [   19.189382][  T421] Tainted: [W]=WARN
[   19.189481][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.189648][  T421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.189827][  T421] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.190305][  T421] RSP: 0018:ffa00000014278f8 EFLAGS: 00010286
[   19.190470][  T421] RAX: 00000000ffffffa6 RBX: ff1100000e440c80 RCX: 1ff4000000284ee5
[   19.190670][  T421] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e440d3c
[   19.190876][  T421] RBP: ff11000009b04000 R08: 1fe2200001c881a9 R09: ff1100000ec50b80
[   19.191075][  T421] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.191270][  T421] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b04000
[   19.191468][  T421] FS:  00007f78bcf7e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   19.191707][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.191880][  T421] CR2: 00007f8caeace000 CR3: 0000000010a77001 CR4: 0000000000771ef0
[   19.192077][  T421] PKRU: 55555554
[   19.192176][  T421] Call Trace:
[   19.192274][  T421]  <TASK>
[   19.192341][  T421]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.192477][  T421]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.192613][  T421]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.192720][  T421]  register_netdevice (net/core/dev.c:11488)
[   19.192853][  T421]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.193024][  T421]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.193156][  T421]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.193287][  T421]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.193416][  T421]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.193550][  T421]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.193687][  T421]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.193819][  T421]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.193956][  T421]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.194089][  T421]  vti_init_net (net/ipv4/ip_vti.c:517)
[   19.194220][  T421]  ops_init (net/core/net_namespace.c:137)
[   19.194320][  T421]  setup_net (net/core/net_namespace.c:446)
[   19.194419][  T421]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.194551][  T421]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.194689][  T421]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.194822][  T421]  copy_net_ns (net/core/net_namespace.c:579)
[   19.194959][  T421]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.195092][  T421]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.195223][  T421]  ksys_unshare (kernel/fork.c:3243)
[   19.195352][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.195483][  T421]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.195616][  T421]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.195754][  T421]  ? __ia32_sys_open (fs/open.c:1374)
[   19.195891][  T421]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.196020][  T421]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.196151][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.196282][  T421]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.196412][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.196544][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.196713][  T421] RIP: 0033:0x7f78bd240bcb
[   19.196851][  T421] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.197316][  T421] RSP: 002b:00007fffff14cf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.197517][  T421] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78bd240bcb
[   19.197716][  T421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.197914][  T421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.198108][  T421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffff14f190
[   19.198302][  T421] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffff150847
| [   19.202352][  T421] ------------[ cut here ]------------
| [   19.202486][  T421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/421
| [   19.202714][  T421] Modules linked in:
| [   19.203077][  T421] Tainted: [W]=WARN
[   19.203174][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.203336][  T421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.203503][  T421] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.203973][  T421] RSP: 0018:ffa0000001427a78 EFLAGS: 00010286
[   19.204136][  T421] RAX: 00000000ffffffa6 RBX: ff1100000d31a900 RCX: 1ff4000000284f15
[   19.204329][  T421] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a9bc
[   19.204522][  T421] RBP: ff110000125dc000 R08: 1fe2200001a63539 R09: ff1100000ec50b80
[   19.204719][  T421] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.204915][  T421] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000125dc000
[   19.205110][  T421] FS:  00007f78bcf7e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   19.205335][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.205496][  T421] CR2: 00007f8caeace000 CR3: 0000000010a77001 CR4: 0000000000771ef0
[   19.205697][  T421] PKRU: 55555554
[   19.205794][  T421] Call Trace:
[   19.205895][  T421]  <TASK>
[   19.205964][  T421]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.206094][  T421]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.206224][  T421]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.206324][  T421]  register_netdevice (net/core/dev.c:11488)
[   19.206455][  T421]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.206617][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.206755][  T421]  register_netdev (net/core/dev.c:11552)
[   19.206892][  T421]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   19.207023][  T421]  ops_init (net/core/net_namespace.c:137)
[   19.207121][  T421]  setup_net (net/core/net_namespace.c:446)
[   19.207220][  T421]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.207349][  T421]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.207478][  T421]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.207614][  T421]  copy_net_ns (net/core/net_namespace.c:579)
[   19.207752][  T421]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.207890][  T421]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.208022][  T421]  ksys_unshare (kernel/fork.c:3243)
[   19.208151][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.208282][  T421]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.208410][  T421]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.208544][  T421]  ? __ia32_sys_open (fs/open.c:1374)
[   19.208684][  T421]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.208815][  T421]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.208950][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.209079][  T421]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.209209][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.209338][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.209496][  T421] RIP: 0033:0x7f78bd240bcb
[   19.209634][  T421] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.210103][  T421] RSP: 002b:00007fffff14cf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.210297][  T421] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78bd240bcb
[   19.210489][  T421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.210687][  T421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.210882][  T421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffff14f190
[   19.211073][  T421] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffff150847
| [   19.215065][  T421] ------------[ cut here ]------------
| [   19.215200][  T421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/421
| [   19.215426][  T421] Modules linked in:
| [   19.215791][  T421] Tainted: [W]=WARN
[   19.215895][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.216056][  T421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.216222][  T421] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.216687][  T421] RSP: 0018:ffa0000001427a68 EFLAGS: 00010286
[   19.216850][  T421] RAX: 00000000ffffffa6 RBX: ff1100000a9a7a80 RCX: 1ff4000000284f13
[   19.217046][  T421] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a7b3c
[   19.217237][  T421] RBP: ff11000012419000 R08: 1fe2200001534f69 R09: ff1100000ec50b80
[   19.217430][  T421] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.217625][  T421] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012419000
[   19.217824][  T421] FS:  00007f78bcf7e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   19.218051][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.218213][  T421] CR2: 00007f8caeace000 CR3: 0000000010a77001 CR4: 0000000000771ef0
[   19.218405][  T421] PKRU: 55555554
[   19.218499][  T421] Call Trace:
[   19.218598][  T421]  <TASK>
[   19.218665][  T421]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.218799][  T421]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.218933][  T421]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.219032][  T421]  register_netdevice (net/core/dev.c:11488)
[   19.219164][  T421]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.219327][  T421]  register_netdev (net/core/dev.c:11552)
[   19.219455][  T421]  sit_init_net (net/ipv6/sit.c:1860)
[   19.219585][  T421]  ops_init (net/core/net_namespace.c:137)
[   19.219689][  T421]  setup_net (net/core/net_namespace.c:446)
[   19.219787][  T421]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.219919][  T421]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.220050][  T421]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.220179][  T421]  copy_net_ns (net/core/net_namespace.c:579)
[   19.220310][  T421]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.220441][  T421]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.220573][  T421]  ksys_unshare (kernel/fork.c:3243)
[   19.220707][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.220835][  T421]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.220973][  T421]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.221101][  T421]  ? __ia32_sys_open (fs/open.c:1374)
[   19.221232][  T421]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.221360][  T421]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.221488][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.221618][  T421]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.221751][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.221881][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.222042][  T421] RIP: 0033:0x7f78bd240bcb
[   19.222175][  T421] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.222631][  T421] RSP: 002b:00007fffff14cf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.222829][  T421] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78bd240bcb
[   19.223024][  T421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.223215][  T421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.223405][  T421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffff14f190
[   19.223601][  T421] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffff150847
| [   19.229083][  T421] ------------[ cut here ]------------
| [   19.229217][  T421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/421
| [   19.229438][  T421] Modules linked in:
| [   19.229802][  T421] Tainted: [W]=WARN
[   19.229905][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.230064][  T421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.230234][  T421] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.230699][  T421] RSP: 0018:ffa0000001427a78 EFLAGS: 00010286
[   19.230860][  T421] RAX: 00000000ffffffa6 RBX: ff1100000caa0900 RCX: 1ff4000000284f15
[   19.231056][  T421] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa09bc
[   19.231247][  T421] RBP: ff11000009cec000 R08: 1fe2200001954139 R09: ff1100000ec50b80
[   19.231438][  T421] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.231631][  T421] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cec000
[   19.231828][  T421] FS:  00007f78bcf7e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   19.232117][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.232278][  T421] CR2: 00007f8caeace000 CR3: 0000000010a77001 CR4: 0000000000771ef0
[   19.232471][  T421] PKRU: 55555554
[   19.232571][  T421] Call Trace:
[   19.232667][  T421]  <TASK>
[   19.232739][  T421]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.232922][  T421]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.233050][  T421]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.233148][  T421]  register_netdevice (net/core/dev.c:11488)
[   19.233277][  T421]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.233437][  T421]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.233571][  T421]  register_netdev (net/core/dev.c:11552)
[   19.233705][  T421]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   19.233835][  T421]  ops_init (net/core/net_namespace.c:137)
[   19.233990][  T421]  setup_net (net/core/net_namespace.c:446)
[   19.234088][  T421]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.234268][  T421]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.234397][  T421]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.234531][  T421]  copy_net_ns (net/core/net_namespace.c:579)
[   19.234661][  T421]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.234800][  T421]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.234984][  T421]  ksys_unshare (kernel/fork.c:3243)
[   19.235111][  T421]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.235239][  T421]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.235368][  T421]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.235496][  T421]  ? __ia32_sys_open (fs/open.c:1374)
[   19.235629][  T421]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.235763][  T421]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.235946][  T421]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.236074][  T421]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.236202][  T421]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.236330][  T421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.236490][  T421] RIP: 0033:0x7f78bd240bcb
[   19.236627][  T421] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.237148][  T421] RSP: 002b:00007fffff14cf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.237342][  T421] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78bd240bcb
[   19.237538][  T421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.237741][  T421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.237993][  T421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffff14f190
[   19.238184][  T421] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffff150847
| [   19.275951][  T422] ------------[ cut here ]------------
| [   19.276096][  T422] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/422
| [   19.276321][  T422] Modules linked in:
| [   19.276693][  T422] Tainted: [W]=WARN
[   19.276790][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.276958][  T422] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.277124][  T422] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.277583][  T422] RSP: 0018:ffa0000001437020 EFLAGS: 00010286
[   19.277754][  T422] RAX: 00000000ffffffa6 RBX: ff110000056c18c0 RCX: 1ff4000000286dca
[   19.277950][  T422] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c197c
[   19.278142][  T422] RBP: ff11000008c11000 R08: 1fe2200000ad8331 R09: ff1100000ec52e58
[   19.278332][  T422] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   19.278523][  T422] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.278720][  T422] FS:  00007f061bdb4840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   19.279134][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.279295][  T422] CR2: 00000000052d9988 CR3: 00000000108ea001 CR4: 0000000000771ef0
[   19.279486][  T422] PKRU: 55555554
[   19.279583][  T422] Call Trace:
[   19.279684][  T422]  <TASK>
[   19.279751][  T422]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.279884][  T422]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.279981][  T422]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.280110][  T422]  __dev_notify_flags (net/core/dev.c:9787)
[   19.280239][  T422]  ? netif_change_name (net/core/dev.c:1495)
[   19.280367][  T422]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.280495][  T422]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.280627][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.280760][  T422]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.280895][  T422]  netif_change_flags (net/core/dev.c:9820)
[   19.281026][  T422]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.281155][  T422]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.281286][  T422]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.281414][  T422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.281580][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.281712][  T422]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.281841][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.281974][  T422]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.282103][  T422]  ? __kernel_text_address (kernel/extable.c:79)
[   19.282230][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.282358][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.282485][  T422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.282616][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.282751][  T422]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.282881][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.283009][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.283136][  T422]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.283264][  T422]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.283392][  T422]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.283524][  T422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.283654][  T422]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.283790][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.283928][  T422]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.284058][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.284186][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.284314][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.284442][  T422]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.284573][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.284710][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.284838][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.284971][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.285099][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.285228][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.285357][  T422]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.285484][  T422]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.285613][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.285745][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.285880][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.286008][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.286136][  T422]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.286264][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.286392][  T422]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.286525][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.286652][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.286788][  T422]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.286923][  T422]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.287051][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.287180][  T422]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.287309][  T422]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.287438][  T422]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.287572][  T422]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.287707][  T422]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.287837][  T422]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.288005][  T422]  ? move_addr_to_kernel (net/socket.c:258)
[   19.288134][  T422]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.288262][  T422]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.288391][  T422]  ___sys_sendmsg (net/socket.c:2752)
[   19.288519][  T422]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.288684][  T422]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.288825][  T422]  __sys_sendmsg (net/socket.c:2784)
[   19.288959][  T422]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.289086][  T422]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.289248][  T422]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.289378][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.289509][  T422]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.289638][  T422]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.289772][  T422]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.289903][  T422]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.290061][  T422] RIP: 0033:0x7f061bfee08e
[   19.290194][  T422] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.290652][  T422] RSP: 002b:00007ffd775e2d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.290852][  T422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f061bfee08e
[   19.291051][  T422] RDX: 0000000000000000 RSI: 00007ffd775e2dd0 RDI: 0000000000000005
[   19.291241][  T422] RBP: 00007ffd775e2d30 R08: 0000000000000000 R09: 0000000000000000
[   19.291433][  T422] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   19.291628][  T422] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd775e34a0
| [   19.638295][  T437] ------------[ cut here ]------------
| [   19.638502][  T437] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/437
| [   19.638801][  T437] Modules linked in:
| [   19.639288][  T437] Tainted: [W]=WARN
[   19.639440][  T437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.639660][  T437] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.639906][  T437] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.640426][  T437] RSP: 0018:ffa0000001506e30 EFLAGS: 00010286
[   19.640653][  T437] RAX: 00000000ffffffa6 RBX: ff11000009a018c0 RCX: 1ff40000002a0d8c
[   19.640919][  T437] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0197c
[   19.641168][  T437] RBP: ff11000010034000 R08: 1fe2200001340331 R09: ff1100000d58ae80
[   19.641413][  T437] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.641669][  T437] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f8ce80
[   19.641938][  T437] FS:  00007fb3243ac840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   19.642221][  T437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.642436][  T437] CR2: 000000000042ebe0 CR3: 000000000fe77003 CR4: 0000000000771ef0
[   19.642698][  T437] PKRU: 55555554
[   19.642848][  T437] Call Trace:
[   19.643008][  T437]  <TASK>
[   19.643125][  T437]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.643308][  T437]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.643457][  T437]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   19.643689][  T437]  __dev_notify_flags (net/core/dev.c:9787)
[   19.643885][  T437]  ? netif_change_name (net/core/dev.c:1495)
[   19.644064][  T437]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.644247][  T437]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.644428][  T437]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.644620][  T437]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   19.644812][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.645010][  T437]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.645194][  T437]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.645375][  T437]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.645565][  T437]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   19.645759][  T437]  veth_newlink (drivers/net/veth.c:1871)
[   19.645955][  T437]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   19.646135][  T437]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.646318][  T437]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.646499][  T437]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.646712][  T437]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   19.646910][  T437]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   19.647094][  T437]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   19.647274][  T437]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.647456][  T437]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   19.647649][  T437]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   19.647841][  T437]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.648034][  T437]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.648218][  T437]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.648406][  T437]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.648598][  T437]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.648790][  T437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.648983][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.649164][  T437]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.649343][  T437]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.649526][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.649724][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.649920][  T437]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.650102][  T437]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.650282][  T437]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.650462][  T437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.650650][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.650841][  T437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.651033][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.651217][  T437]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.651396][  T437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.651588][  T437]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.651782][  T437]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.651976][  T437]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.652159][  T437]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.652341][  T437]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.652529][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.652718][  T437]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.652913][  T437]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.653097][  T437]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.653284][  T437]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.653466][  T437]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.653655][  T437]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.653889][  T437]  ? move_addr_to_kernel (net/socket.c:258)
[   19.654078][  T437]  ___sys_sendmsg (net/socket.c:2752)
[   19.654259][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.654440][  T437]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.654637][  T437]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   19.654829][  T437]  __sys_sendmsg (net/socket.c:2784)
[   19.655022][  T437]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.655208][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.655393][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.655584][  T437]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.655774][  T437]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.655970][  T437]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.656153][  T437]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.656365][  T437] RIP: 0033:0x7fb3245e608e
[   19.656559][  T437] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.657104][  T437] RSP: 002b:00007ffcb9b27700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.657351][  T437] RAX: ffffffffffffffda RBX: 00007ffcb9b27ea8 RCX: 00007fb3245e608e
[   19.657606][  T437] RDX: 0000000000000000 RSI: 00007ffcb9b277b0 RDI: 0000000000000005
[   19.657864][  T437] RBP: 00007ffcb9b27710 R08: 0000000000000000 R09: 0000000000000000
[   19.658124][  T437] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   19.658371][  T437] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb9b27e80
| [   19.673252][  T437] ------------[ cut here ]------------
| [   19.673431][  T437] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/437
| [   19.673720][  T437] Modules linked in:
| [   19.674299][  T437] Tainted: [W]=WARN
[   19.674446][  T437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.674663][  T437] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.674901][  T437] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.675412][  T437] RSP: 0018:ffa00000015071b0 EFLAGS: 00010286
[   19.675631][  T437] RAX: 00000000ffffffa6 RBX: ff1100000909d380 RCX: 1ff40000002a0dfc
[   19.675895][  T437] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d43c
[   19.676138][  T437] RBP: ff1100000fe14000 R08: 1fe2200001213a89 R09: ff1100000d58ae80
[   19.676381][  T437] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.676631][  T437] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   19.676899][  T437] FS:  00007fb3243ac840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   19.677176][  T437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.677387][  T437] CR2: 000000000042ebe0 CR3: 000000000fe77003 CR4: 0000000000771ef0
[   19.677642][  T437] PKRU: 55555554
[   19.677796][  T437] Call Trace:
[   19.677951][  T437]  <TASK>
[   19.678066][  T437]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.678247][  T437]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.678395][  T437]  __dev_notify_flags (net/core/dev.c:9787)
[   19.678587][  T437]  ? netif_change_name (net/core/dev.c:1495)
[   19.678777][  T437]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   19.678971][  T437]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.679152][  T437]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.679332][  T437]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   19.679515][  T437]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.679705][  T437]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.679898][  T437]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.680083][  T437]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.680267][  T437]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.680449][  T437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.680632][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.680819][  T437]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.681009][  T437]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.681186][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.681370][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.681561][  T437]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.681752][  T437]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.681947][  T437]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.682127][  T437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.682307][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.682489][  T437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.682674][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.682863][  T437]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.683057][  T437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.683237][  T437]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.683422][  T437]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.683609][  T437]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.683796][  T437]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.683989][  T437]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.684169][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.684354][  T437]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.684538][  T437]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.684728][  T437]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.684920][  T437]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.685101][  T437]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.685280][  T437]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.685491][  T437]  ? move_addr_to_kernel (net/socket.c:258)
[   19.685691][  T437]  ___sys_sendmsg (net/socket.c:2752)
[   19.685885][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.686066][  T437]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.686254][  T437]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   19.686435][  T437]  __sys_sendmsg (net/socket.c:2784)
[   19.686623][  T437]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.686814][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.687006][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.687188][  T437]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.687367][  T437]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.687551][  T437]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.687740][  T437]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.687963][  T437] RIP: 0033:0x7fb3245e608e
[   19.688148][  T437] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.688669][  T437] RSP: 002b:00007ffcb9b27700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.688936][  T437] RAX: ffffffffffffffda RBX: 00007ffcb9b27ea8 RCX: 00007fb3245e608e
[   19.689176][  T437] RDX: 0000000000000000 RSI: 00007ffcb9b277b0 RDI: 0000000000000005
[   19.689417][  T437] RBP: 00007ffcb9b27710 R08: 0000000000000000 R09: 0000000000000000
[   19.689670][  T437] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   19.689932][  T437] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb9b27e80
| [   19.730672][  T438] ------------[ cut here ]------------
| [   19.730820][  T438] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/438
| [   19.731050][  T438] Modules linked in:
| [   19.731407][  T438] Tainted: [W]=WARN
[   19.731502][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.731665][  T438] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.731838][  T438] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.732293][  T438] RSP: 0018:ffa0000001516ff8 EFLAGS: 00010286
[   19.732453][  T438] RAX: 00000000ffffffa6 RBX: ff1100000baaa580 RCX: 1ff40000002a2dc5
[   19.732643][  T438] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baaa63c
[   19.732837][  T438] RBP: ff11000010034000 R08: 1fe22000017554c9 R09: ff1100000d588b58
[   19.733033][  T438] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.733222][  T438] R13: 0000000000000000 R14: ffa0000001517140 R15: ff1100000b855fd0
[   19.733413][  T438] FS:  00007f4220c8d840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   19.733640][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.733806][  T438] CR2: 00000000200a5988 CR3: 0000000010584004 CR4: 0000000000771ef0
[   19.734001][  T438] PKRU: 55555554
[   19.734096][  T438] Call Trace:
[   19.734191][  T438]  <TASK>
[   19.734261][  T438]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   19.734390][  T438]  __dev_change_net_namespace (net/core/dev.c:12635)
[   19.734551][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.734678][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.734812][  T438]  ? default_device_exit_batch (net/core/dev.c:13091)
[   19.734979][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.735105][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.735232][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.735359][  T438]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.735487][  T438]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.735619][  T438]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   19.735754][  T438]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.735892][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.736050][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.736177][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.736304][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.736429][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.736562][  T438]  ? __kernel_text_address (kernel/extable.c:79)
[   19.736695][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.736823][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.736957][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.737090][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.737217][  T438]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.737345][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.737473][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.737606][  T438]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.737742][  T438]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.737876][  T438]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.738004][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.738132][  T438]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.738260][  T438]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.738390][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.738523][  T438]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.738652][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.738784][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.738914][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.739042][  T438]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.739169][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.739299][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.739425][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.739552][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.739685][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.739814][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.739946][  T438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.740075][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.740201][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.740328][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.740455][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.740582][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.740717][  T438]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.740843][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.740974][  T438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.741105][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.741231][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.741361][  T438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.741489][  T438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.741620][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.741753][  T438]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.741885][  T438]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.742015][  T438]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.742144][  T438]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.742272][  T438]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.742399][  T438]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.742560][  T438]  ? move_addr_to_kernel (net/socket.c:258)
[   19.742692][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.742820][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.742955][  T438]  ___sys_sendmsg (net/socket.c:2752)
[   19.743081][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.743238][  T438]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.743377][  T438]  __sys_sendmsg (net/socket.c:2784)
[   19.743503][  T438]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.743633][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.743798][  T438]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.743937][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.744067][  T438]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.744194][  T438]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.744321][  T438]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.744448][  T438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.744610][  T438] RIP: 0033:0x7f4220ec708e
[   19.744751][  T438] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.745210][  T438] RSP: 002b:00007fff30174eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.745402][  T438] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4220ec708e
[   19.745595][  T438] RDX: 0000000000000000 RSI: 00007fff30174f60 RDI: 0000000000000005
[   19.745788][  T438] RBP: 00007fff30174ec0 R08: 0000000000000000 R09: 0000000000000000
[   19.745983][  T438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   19.746172][  T438] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30175630
| [   19.748794][  T438] ------------[ cut here ]------------
| [   19.749120][  T438] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/438
| [   19.749344][  T438] Modules linked in:
| [   19.749716][  T438] Tainted: [W]=WARN
[   19.749813][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.749982][  T438] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.750149][  T438] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.750610][  T438] RSP: 0018:ffa0000001516fc0 EFLAGS: 00010286
[   19.750778][  T438] RAX: 00000000ffffffa6 RBX: ff1100000baab000 RCX: 1ff40000002a2dbe
[   19.750973][  T438] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baab0bc
[   19.751165][  T438] RBP: ff11000010034000 R08: 1fe2200001755619 R09: ff1100000d588b58
[   19.751357][  T438] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.751550][  T438] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b855fd0
[   19.751748][  T438] FS:  00007f4220c8d840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   19.751987][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.752150][  T438] CR2: 00000000200a5988 CR3: 0000000010584004 CR4: 0000000000771ef0
[   19.752343][  T438] PKRU: 55555554
[   19.752439][  T438] Call Trace:
[   19.752538][  T438]  <TASK>
[   19.752605][  T438]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.752739][  T438]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.752874][  T438]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.752972][  T438]  __dev_change_net_namespace (net/core/dev.c:12695)
[   19.753134][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.753261][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.753390][  T438]  ? default_device_exit_batch (net/core/dev.c:13091)
[   19.753550][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.753677][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.753810][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.753944][  T438]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.754075][  T438]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.754209][  T438]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   19.754340][  T438]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.754470][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.754634][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.754766][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.754899][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.755028][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.755156][  T438]  ? __kernel_text_address (kernel/extable.c:79)
[   19.755284][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.755414][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.755545][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.755674][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.755810][  T438]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.755942][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.756070][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.756197][  T438]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.756326][  T438]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.756455][  T438]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.756584][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.756720][  T438]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.756848][  T438]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.756985][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.757116][  T438]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.757246][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.757373][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.757500][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.757632][  T438]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.757762][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.757899][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.758027][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.758155][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.758284][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.758412][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.758545][  T438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.758673][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.758806][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.758941][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.759071][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.759198][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.759327][  T438]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.759454][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.759584][  T438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.759721][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.759850][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.759986][  T438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.760117][  T438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.760247][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.760375][  T438]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.760506][  T438]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.760730][  T438]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.760859][  T438]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.760994][  T438]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.761122][  T438]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.761363][  T438]  ? move_addr_to_kernel (net/socket.c:258)
[   19.761492][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.761624][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.761758][  T438]  ___sys_sendmsg (net/socket.c:2752)
[   19.761975][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.762136][  T438]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.762276][  T438]  __sys_sendmsg (net/socket.c:2784)
[   19.762406][  T438]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.762621][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.762787][  T438]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.762920][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.763133][  T438]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.763263][  T438]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.763393][  T438]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.763521][  T438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.763770][  T438] RIP: 0033:0x7f4220ec708e
[   19.763909][  T438] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.764452][  T438] RSP: 002b:00007fff30174eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.764646][  T438] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4220ec708e
[   19.764842][  T438] RDX: 0000000000000000 RSI: 00007fff30174f60 RDI: 0000000000000005
[   19.765122][  T438] RBP: 00007fff30174ec0 R08: 0000000000000000 R09: 0000000000000000
[   19.765314][  T438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   19.765593][  T438] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30175630
| [   19.767686][  T438] ------------[ cut here ]------------
| [   19.767903][  T438] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/438
| [   19.768121][  T438] Modules linked in:
| [   19.768565][  T438] Tainted: [W]=WARN
[   19.768662][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.768825][  T438] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.769611][  T438] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.770131][  T438] RSP: 0018:ffa0000001517038 EFLAGS: 00010286
[   19.770292][  T438] RAX: 00000000ffffffa6 RBX: ff1100000baaae40 RCX: 1ff40000002a2dcd
[   19.770481][  T438] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baaaefc
[   19.770672][  T438] RBP: ff11000010034000 R08: 1fe22000017555e1 R09: ff1100000d588b58
[   19.770922][  T438] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   19.771113][  T438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   19.771304][  T438] FS:  00007f4220c8d840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   19.771529][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.771692][  T438] CR2: 00000000200a5988 CR3: 0000000010584004 CR4: 0000000000771ef0
[   19.771941][  T438] PKRU: 55555554
[   19.772036][  T438] Call Trace:
[   19.772130][  T438]  <TASK>
[   19.772196][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.772322][  T438]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   19.772450][  T438]  notifier_call_chain (kernel/notifier.c:85)
[   19.772582][  T438]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   19.772715][  T438]  ? default_device_exit_batch (net/core/dev.c:13091)
[   19.772932][  T438]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   19.773093][  T438]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.773221][  T438]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.773351][  T438]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   19.773481][  T438]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.773613][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.773780][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.773965][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.774092][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.774219][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.774345][  T438]  ? __kernel_text_address (kernel/extable.c:79)
[   19.774473][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.774607][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.774740][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.774923][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.775051][  T438]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.775178][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.775304][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.775431][  T438]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.775562][  T438]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.775779][  T438]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.775960][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.776092][  T438]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.776219][  T438]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.776349][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.776479][  T438]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.776613][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.776829][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.777011][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.777139][  T438]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.777265][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.777395][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.777523][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.777739][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.777920][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.778050][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.778178][  T438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.778307][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.778433][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.778565][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.778781][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.778960][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.779088][  T438]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.779215][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.779343][  T438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.779474][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.779692][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.779823][  T438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.780006][  T438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.780135][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.780262][  T438]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.780390][  T438]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.780522][  T438]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.780741][  T438]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.780922][  T438]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.781050][  T438]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.781208][  T438]  ? move_addr_to_kernel (net/socket.c:258)
[   19.781338][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.781465][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.781687][  T438]  ___sys_sendmsg (net/socket.c:2752)
[   19.781815][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.782027][  T438]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.782168][  T438]  __sys_sendmsg (net/socket.c:2784)
[   19.782296][  T438]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.782424][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.782668][  T438]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.782801][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.782983][  T438]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.783111][  T438]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.783239][  T438]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.783365][  T438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.783610][  T438] RIP: 0033:0x7f4220ec708e
[   19.783747][  T438] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.784347][  T438] RSP: 002b:00007fff30174eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.784543][  T438] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4220ec708e
[   19.784739][  T438] RDX: 0000000000000000 RSI: 00007fff30174f60 RDI: 0000000000000005
[   19.784985][  T438] RBP: 00007fff30174ec0 R08: 0000000000000000 R09: 0000000000000000
[   19.785174][  T438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   19.785366][  T438] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30175630
| [   19.787816][  T438] ------------[ cut here ]------------
| [   19.787968][  T438] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/438
| [   19.788191][  T438] Modules linked in:
| [   19.788555][  T438] Tainted: [W]=WARN
[   19.788653][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.788821][  T438] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.788996][  T438] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.789459][  T438] RSP: 0018:ffa0000001517020 EFLAGS: 00010286
[   19.789624][  T438] RAX: 00000000ffffffa6 RBX: ff1100000caa0ac0 RCX: 1ff40000002a2dca
[   19.789821][  T438] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0b7c
[   19.790019][  T438] RBP: ff11000010034000 R08: 1fe2200001954171 R09: ff1100000d588b58
[   19.790213][  T438] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   19.790405][  T438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.790601][  T438] FS:  00007f4220c8d840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   19.790844][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.791019][  T438] CR2: 00007fffd5485d40 CR3: 0000000010584001 CR4: 0000000000771ef0
[   19.791213][  T438] PKRU: 55555554
[   19.791308][  T438] Call Trace:
[   19.791404][  T438]  <TASK>
[   19.791471][  T438]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.791607][  T438]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.791711][  T438]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.791840][  T438]  __dev_notify_flags (net/core/dev.c:9787)
[   19.791980][  T438]  ? netif_change_name (net/core/dev.c:1495)
[   19.792110][  T438]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.792245][  T438]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.792374][  T438]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   19.792537][  T438]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.792670][  T438]  netif_change_flags (net/core/dev.c:9820)
[   19.792804][  T438]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.792942][  T438]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.793071][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.793232][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.793360][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.793488][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.793618][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.793753][  T438]  ? __kernel_text_address (kernel/extable.c:79)
[   19.793884][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.794014][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.794142][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.794272][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.794400][  T438]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.794530][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.794657][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.794789][  T438]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.794926][  T438]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.795054][  T438]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.795183][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.795313][  T438]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.795440][  T438]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.795574][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.795711][  T438]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.795843][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.795973][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.796103][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.796231][  T438]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.796360][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.796491][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.796622][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.796757][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.796891][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.797021][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.797151][  T438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.797279][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.797407][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.797539][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.797670][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.797805][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.797942][  T438]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.798072][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.798201][  T438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.798332][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.798459][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.798593][  T438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.798728][  T438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.798856][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.798992][  T438]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.799122][  T438]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.799252][  T438]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.799383][  T438]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.799516][  T438]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.799645][  T438]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.799811][  T438]  ? move_addr_to_kernel (net/socket.c:258)
[   19.799945][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.800074][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.800204][  T438]  ___sys_sendmsg (net/socket.c:2752)
[   19.800332][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.800492][  T438]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.800637][  T438]  __sys_sendmsg (net/socket.c:2784)
[   19.800774][  T438]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.800908][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.801070][  T438]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.801199][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.801329][  T438]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.801457][  T438]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.801586][  T438]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.801721][  T438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.801882][  T438] RIP: 0033:0x7f4220ec708e
[   19.802017][  T438] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.802476][  T438] RSP: 002b:00007fff30174eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.802674][  T438] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4220ec708e
[   19.802876][  T438] RDX: 0000000000000000 RSI: 00007fff30174f60 RDI: 0000000000000005
[   19.803066][  T438] RBP: 00007fff30174ec0 R08: 0000000000000000 R09: 0000000000000000
[   19.803257][  T438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dcff
[   19.803451][  T438] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30175630
| [   19.846858][  T439] ------------[ cut here ]------------
| [   19.847047][  T439] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/439
| [   19.847327][  T439] Modules linked in:
| [   19.847803][  T439] Tainted: [W]=WARN
[   19.847971][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.848186][  T439] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.848405][  T439] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.848940][  T439] RSP: 0018:ffa0000001526e30 EFLAGS: 00010286
[   19.849162][  T439] RAX: 00000000ffffffa6 RBX: ff1100000922a040 RCX: 1ff40000002a4d8c
[   19.849405][  T439] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a0fc
[   19.849655][  T439] RBP: ff1100000f124000 R08: 1fe2200001245421 R09: ff11000008db0b80
[   19.849997][  T439] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.850386][  T439] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bb00400
[   19.850711][  T439] FS:  00007fe9c2ac5840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   19.851052][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.851269][  T439] CR2: 000000000042ebe0 CR3: 000000000ff34001 CR4: 0000000000771ef0
[   19.851519][  T439] PKRU: 55555554
[   19.851668][  T439] Call Trace:
[   19.851821][  T439]  <TASK>
[   19.851949][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.852128][  T439]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.852308][  T439]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.852456][  T439]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   19.852647][  T439]  __dev_notify_flags (net/core/dev.c:9787)
[   19.852832][  T439]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   19.853021][  T439]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   19.853200][  T439]  ? netif_change_name (net/core/dev.c:1495)
[   19.853377][  T439]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.853562][  T439]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.853749][  T439]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.853941][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.854122][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.854302][  T439]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.854482][  T439]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.854665][  T439]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.854853][  T439]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   19.855048][  T439]  veth_newlink (drivers/net/veth.c:1871)
[   19.855232][  T439]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   19.855407][  T439]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.855594][  T439]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.855780][  T439]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.855994][  T439]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   19.856172][  T439]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   19.856354][  T439]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   19.856539][  T439]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.856727][  T439]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   19.856920][  T439]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   19.857105][  T439]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.857282][  T439]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.857460][  T439]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.857652][  T439]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.857842][  T439]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.858037][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.858215][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.858394][  T439]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.858580][  T439]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.858761][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.858954][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.859134][  T439]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.859316][  T439]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.859495][  T439]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.859689][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.859881][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.860061][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.860238][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.860418][  T439]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.860603][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.860794][  T439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.860986][  T439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.861163][  T439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.861345][  T439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.861529][  T439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.861716][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.861910][  T439]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.862091][  T439]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.862274][  T439]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.862452][  T439]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.862639][  T439]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.862825][  T439]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.863046][  T439]  ? move_addr_to_kernel (net/socket.c:258)
[   19.863229][  T439]  ___sys_sendmsg (net/socket.c:2752)
[   19.863405][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.863594][  T439]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.863791][  T439]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   19.863985][  T439]  __sys_sendmsg (net/socket.c:2784)
[   19.864168][  T439]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.864351][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.864531][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.864717][  T439]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.864910][  T439]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.865088][  T439]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.865266][  T439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.865473][  T439] RIP: 0033:0x7fe9c2cff08e
[   19.865661][  T439] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.866195][  T439] RSP: 002b:00007ffe094097e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.866439][  T439] RAX: ffffffffffffffda RBX: 00007ffe09409f88 RCX: 00007fe9c2cff08e
[   19.866694][  T439] RDX: 0000000000000000 RSI: 00007ffe09409890 RDI: 0000000000000005
[   19.866949][  T439] RBP: 00007ffe094097f0 R08: 0000000000000000 R09: 0000000000000000
[   19.867193][  T439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   19.867434][  T439] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe09409f60
| [   19.874812][  T439] ------------[ cut here ]------------
| [   19.874966][  T439] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/439
| [   19.875191][  T439] Modules linked in:
| [   19.875552][  T439] Tainted: [W]=WARN
[   19.875652][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.875819][  T439] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.875992][  T439] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.876451][  T439] RSP: 0018:ffa00000015271b0 EFLAGS: 00010286
[   19.876615][  T439] RAX: 00000000ffffffa6 RBX: ff1100000b727000 RCX: 1ff40000002a4dfc
[   19.876812][  T439] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7270bc
[   19.877007][  T439] RBP: ff1100000fff1000 R08: 1fe22000016e4e19 R09: ff11000008db0b80
[   19.877198][  T439] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.877391][  T439] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   19.877585][  T439] FS:  00007fe9c2ac5840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   19.877815][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.877979][  T439] CR2: 00007f4220d5a574 CR3: 000000000ff34002 CR4: 0000000000771ef0
[   19.878171][  T439] PKRU: 55555554
[   19.878268][  T439] Call Trace:
[   19.878365][  T439]  <TASK>
[   19.878432][  T439]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.878567][  T439]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.878665][  T439]  __dev_notify_flags (net/core/dev.c:9787)
[   19.878801][  T439]  ? netif_change_name (net/core/dev.c:1495)
[   19.878938][  T439]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   19.879067][  T439]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.879198][  T439]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.879327][  T439]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   19.879459][  T439]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.879592][  T439]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.879727][  T439]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.879861][  T439]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.880000][  T439]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.880131][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.880261][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.880390][  T439]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.880520][  T439]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.880648][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.880788][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.880923][  T439]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.881052][  T439]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.881183][  T439]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.881312][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.881441][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.881576][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.881710][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.881840][  T439]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.881974][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.882104][  T439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.882237][  T439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.882366][  T439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.882496][  T439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.882630][  T439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.882763][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.882898][  T439]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.883027][  T439]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.883159][  T439]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.883290][  T439]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.883419][  T439]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.883550][  T439]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.883715][  T439]  ? move_addr_to_kernel (net/socket.c:258)
[   19.883848][  T439]  ___sys_sendmsg (net/socket.c:2752)
[   19.883982][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.884113][  T439]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.884252][  T439]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   19.884384][  T439]  __sys_sendmsg (net/socket.c:2784)
[   19.884516][  T439]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.884650][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.884786][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.884922][  T439]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.885050][  T439]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.885180][  T439]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.885309][  T439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.885470][  T439] RIP: 0033:0x7fe9c2cff08e
[   19.885610][  T439] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.886080][  T439] RSP: 002b:00007ffe094097e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.886274][  T439] RAX: ffffffffffffffda RBX: 00007ffe09409f88 RCX: 00007fe9c2cff08e
[   19.886468][  T439] RDX: 0000000000000000 RSI: 00007ffe09409890 RDI: 0000000000000005
[   19.886666][  T439] RBP: 00007ffe094097f0 R08: 0000000000000000 R09: 0000000000000000
[   19.886862][  T439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   19.887061][  T439] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe09409f60
| [   19.934456][  T440] ------------[ cut here ]------------
| [   19.934635][  T440] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/440
| [   19.934918][  T440] Modules linked in:
| [   19.935366][  T440] Tainted: [W]=WARN
[   19.935508][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.935724][  T440] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.935950][  T440] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.936440][  T440] RSP: 0018:ffa0000001536ff8 EFLAGS: 00010286
[   19.936651][  T440] RAX: 00000000ffffffa6 RBX: ff1100000df43380 RCX: 1ff40000002a6dc5
[   19.936905][  T440] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df4343c
[   19.937138][  T440] RBP: ff1100000f124000 R08: 1fe2200001be8689 R09: ff11000008db2e58
[   19.937370][  T440] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.937612][  T440] R13: 0000000000000000 R14: ffa0000001537140 R15: ff11000004de98d0
[   19.937854][  T440] FS:  00007f592858a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   19.938132][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.938336][  T440] CR2: 00000000209cc988 CR3: 000000000e670003 CR4: 0000000000771ef0
[   19.938582][  T440] PKRU: 55555554
[   19.938729][  T440] Call Trace:
[   19.938884][  T440]  <TASK>
[   19.938998][  T440]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   19.939176][  T440]  __dev_change_net_namespace (net/core/dev.c:12635)
[   19.939381][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.939559][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.939744][  T440]  ? default_device_exit_batch (net/core/dev.c:13091)
[   19.939964][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.940139][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.940317][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.940491][  T440]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.940675][  T440]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.940861][  T440]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   19.941053][  T440]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.941229][  T440]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.941434][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.941619][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.941802][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.941987][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.942161][  T440]  ? __kernel_text_address (kernel/extable.c:79)
[   19.942337][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.942517][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.942702][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.942889][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.943063][  T440]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.943235][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.943408][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.943589][  T440]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.943774][  T440]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.943961][  T440]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.944139][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.944315][  T440]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.944491][  T440]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.944677][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.944867][  T440]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.945057][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.945230][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.945405][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.945585][  T440]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.945769][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.945964][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.946137][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.946310][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.946486][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.946666][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.946852][  T440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.947041][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.947214][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.947388][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.947570][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.947754][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.947945][  T440]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.948120][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.948295][  T440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.948473][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.948652][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.948837][  T440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.949027][  T440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.949202][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.949377][  T440]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.949565][  T440]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.949750][  T440]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.949942][  T440]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.950118][  T440]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.950292][  T440]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.950495][  T440]  ? move_addr_to_kernel (net/socket.c:258)
[   19.950679][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.950880][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.951057][  T440]  ___sys_sendmsg (net/socket.c:2752)
[   19.951231][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.951436][  T440]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.951631][  T440]  __sys_sendmsg (net/socket.c:2784)
[   19.951817][  T440]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.952007][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.952215][  T440]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.952391][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.952573][  T440]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.952756][  T440]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.952944][  T440]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.953120][  T440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.953325][  T440] RIP: 0033:0x7f59287c408e
[   19.953503][  T440] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.954024][  T440] RSP: 002b:00007ffef0015d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.954261][  T440] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f59287c408e
[   19.954496][  T440] RDX: 0000000000000000 RSI: 00007ffef0015e30 RDI: 0000000000000005
[   19.954746][  T440] RBP: 00007ffef0015d90 R08: 0000000000000000 R09: 0000000000000000
[   19.954994][  T440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   19.955230][  T440] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef0016500
| [   19.958200][  T440] ------------[ cut here ]------------
| [   19.958370][  T440] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/440
| [   19.958645][  T440] Modules linked in:
| [   19.959113][  T440] Tainted: [W]=WARN
[   19.959256][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.959461][  T440] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.959689][  T440] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.960201][  T440] RSP: 0018:ffa0000001536fc0 EFLAGS: 00010286
[   19.960409][  T440] RAX: 00000000ffffffa6 RBX: ff1100000df43a80 RCX: 1ff40000002a6dbe
[   19.960651][  T440] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df43b3c
[   19.960905][  T440] RBP: ff1100000f124000 R08: 1fe2200001be8769 R09: ff11000008db2e58
[   19.961144][  T440] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.961381][  T440] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004de98d0
[   19.961627][  T440] FS:  00007f592858a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   19.961918][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.962128][  T440] CR2: 00000000209cc988 CR3: 000000000e670003 CR4: 0000000000771ef0
[   19.962365][  T440] PKRU: 55555554
[   19.962507][  T440] Call Trace:
[   19.962654][  T440]  <TASK>
[   19.962776][  T440]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.962966][  T440]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.963142][  T440]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.963290][  T440]  __dev_change_net_namespace (net/core/dev.c:12695)
[   19.963496][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.963677][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.963877][  T440]  ? default_device_exit_batch (net/core/dev.c:13091)
[   19.964083][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.964257][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.964433][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.964621][  T440]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.964809][  T440]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.964999][  T440]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   19.965175][  T440]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.965351][  T440]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.965564][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.965747][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.965939][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.966114][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.966290][  T440]  ? __kernel_text_address (kernel/extable.c:79)
[   19.966465][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.966650][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.966829][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.967014][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.967191][  T440]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.967365][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.967544][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.967729][  T440]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.967917][  T440]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.968093][  T440]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.968268][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.968445][  T440]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.968628][  T440]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.968814][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.969006][  T440]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.969183][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.969356][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.969534][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.969715][  T440]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.969902][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.970082][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.970255][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.970430][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.970615][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.970795][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.970981][  T440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.971156][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.971333][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.971509][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.971698][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.971884][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.972060][  T440]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.972234][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.972408][  T440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.972594][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.972794][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.972985][  T440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.973165][  T440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.973346][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.973529][  T440]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.973715][  T440]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.973907][  T440]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.974088][  T440]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.974262][  T440]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.974436][  T440]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.974650][  T440]  ? move_addr_to_kernel (net/socket.c:258)
[   19.974829][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.975014][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.975190][  T440]  ___sys_sendmsg (net/socket.c:2752)
[   19.975367][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.975583][  T440]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.975773][  T440]  __sys_sendmsg (net/socket.c:2784)
[   19.975963][  T440]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.976136][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.976344][  T440]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.976522][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.976711][  T440]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.976900][  T440]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.977074][  T440]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.977249][  T440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.977455][  T440] RIP: 0033:0x7f59287c408e
[   19.977643][  T440] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.978163][  T440] RSP: 002b:00007ffef0015d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.978400][  T440] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f59287c408e
[   19.978644][  T440] RDX: 0000000000000000 RSI: 00007ffef0015e30 RDI: 0000000000000005
[   19.978899][  T440] RBP: 00007ffef0015d90 R08: 0000000000000000 R09: 0000000000000000
[   19.979137][  T440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   19.979374][  T440] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef0016500
| [   19.981707][  T440] ------------[ cut here ]------------
| [   19.981895][  T440] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/440
| [   19.982158][  T440] Modules linked in:
| [   19.982707][  T440] Tainted: [W]=WARN
[   19.982851][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.983574][  T440] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.983861][  T440] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.984478][  T440] RSP: 0018:ffa0000001537038 EFLAGS: 00010286
[   19.984748][  T440] RAX: 00000000ffffffa6 RBX: ff1100000df43700 RCX: 1ff40000002a6dcd
[   19.985051][  T440] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df437bc
[   19.985339][  T440] RBP: ff1100000f124000 R08: 1fe2200001be86f9 R09: ff11000008db2e58
[   19.985635][  T440] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   19.985946][  T440] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   19.986238][  T440] FS:  00007f592858a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   19.986565][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.986831][  T440] CR2: 00000000209cc988 CR3: 000000000e670003 CR4: 0000000000771ef0
[   19.987134][  T440] PKRU: 55555554
[   19.987327][  T440] Call Trace:
[   19.987527][  T440]  <TASK>
[   19.987701][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.987944][  T440]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   19.988170][  T440]  notifier_call_chain (kernel/notifier.c:85)
[   19.988398][  T440]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   19.988633][  T440]  ? default_device_exit_batch (net/core/dev.c:13091)
[   19.988922][  T440]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   19.989182][  T440]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.989408][  T440]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.989643][  T440]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   19.989895][  T440]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.990123][  T440]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.990379][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.990615][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.990848][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.991087][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.991312][  T440]  ? __kernel_text_address (kernel/extable.c:79)
[   19.991549][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.991788][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.992028][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.992257][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.992483][  T440]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.992721][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.992959][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.993186][  T440]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.993411][  T440]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.993643][  T440]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.993893][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.994124][  T440]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.994350][  T440]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.994584][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.994818][  T440]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.995006][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.995180][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.995354][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.995533][  T440]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.995714][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.995905][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.996080][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.996254][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.996430][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.996615][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.996795][  T440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.996982][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.997155][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.997329][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.997508][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.997693][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.997884][  T440]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.998058][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.998234][  T440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.998414][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.998594][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.998779][  T440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.998970][  T440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.999146][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.999322][  T440]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.999498][  T440]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.999694][  T440]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.999884][  T440]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.000062][  T440]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.000236][  T440]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.000440][  T440]  ? move_addr_to_kernel (net/socket.c:258)
[   20.000622][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.000807][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.000998][  T440]  ___sys_sendmsg (net/socket.c:2752)
[   20.001173][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.001378][  T440]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.001571][  T440]  __sys_sendmsg (net/socket.c:2784)
[   20.001755][  T440]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.001942][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.002149][  T440]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.002326][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.002502][  T440]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.002690][  T440]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.002878][  T440]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.003053][  T440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.003257][  T440] RIP: 0033:0x7f59287c408e
[   20.003436][  T440] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.003962][  T440] RSP: 002b:00007ffef0015d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.004199][  T440] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f59287c408e
[   20.004433][  T440] RDX: 0000000000000000 RSI: 00007ffef0015e30 RDI: 0000000000000005
[   20.004680][  T440] RBP: 00007ffef0015d90 R08: 0000000000000000 R09: 0000000000000000
[   20.004937][  T440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.005172][  T440] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef0016500
| [   20.007783][  T440] ------------[ cut here ]------------
| [   20.007932][  T440] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/440
| [   20.008153][  T440] Modules linked in:
| [   20.008518][  T440] Tainted: [W]=WARN
[   20.008616][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.008781][  T440] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.008956][  T440] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.009412][  T440] RSP: 0018:ffa0000001537020 EFLAGS: 00010286
[   20.009577][  T440] RAX: 00000000ffffffa6 RBX: ff1100000fe90740 RCX: 1ff40000002a6dca
[   20.009775][  T440] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe907fc
[   20.009973][  T440] RBP: ff1100000f124000 R08: 1fe2200001fd2101 R09: ff11000008db2e58
[   20.010165][  T440] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   20.010355][  T440] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.010550][  T440] FS:  00007f592858a840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   20.010780][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.010946][  T440] CR2: 00007fe9c2b92574 CR3: 000000000e670003 CR4: 0000000000771ef0
[   20.011139][  T440] PKRU: 55555554
[   20.011235][  T440] Call Trace:
[   20.011330][  T440]  <TASK>
[   20.011396][  T440]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.011529][  T440]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.011627][  T440]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.011760][  T440]  __dev_notify_flags (net/core/dev.c:9787)
[   20.011896][  T440]  ? netif_change_name (net/core/dev.c:1495)
[   20.012025][  T440]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.012154][  T440]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.012282][  T440]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   20.012442][  T440]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.012576][  T440]  netif_change_flags (net/core/dev.c:9820)
[   20.012711][  T440]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.012842][  T440]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.012974][  T440]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.013134][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.013261][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.013474][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.013605][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.013738][  T440]  ? __kernel_text_address (kernel/extable.c:79)
[   20.013872][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.014086][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.014214][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.014343][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.014472][  T440]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.014691][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.014818][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.014953][  T440]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.015081][  T440]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.015209][  T440]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.015335][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.015465][  T440]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.015594][  T440]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.015813][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.015947][  T440]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.016078][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.016205][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.016332][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.016459][  T440]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.016589][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.016725][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.016852][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.016986][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.017115][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.017243][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.017457][  T440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.017586][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.017719][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.017846][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.017978][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.018106][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.018233][  T440]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.018358][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.018486][  T440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.018617][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.018749][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.018882][  T440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.019013][  T440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.019142][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.019272][  T440]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.019402][  T440]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.019618][  T440]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.019754][  T440]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.019885][  T440]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.020013][  T440]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.020174][  T440]  ? move_addr_to_kernel (net/socket.c:258)
[   20.020305][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.020434][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.020567][  T440]  ___sys_sendmsg (net/socket.c:2752)
[   20.020699][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.020858][  T440]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.021003][  T440]  __sys_sendmsg (net/socket.c:2784)
[   20.021133][  T440]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.021345][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.021510][  T440]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.021640][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.021774][  T440]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.021908][  T440]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.022035][  T440]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.022165][  T440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.022324][  T440] RIP: 0033:0x7f59287c408e
[   20.022458][  T440] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.022927][  T440] RSP: 002b:00007ffef0015d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.023123][  T440] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f59287c408e
[   20.023313][  T440] RDX: 0000000000000000 RSI: 00007ffef0015e30 RDI: 0000000000000005
[   20.023594][  T440] RBP: 00007ffef0015d90 R08: 0000000000000000 R09: 0000000000000000
[   20.023790][  T440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.023986][  T440] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef0016500
| [   20.110561][  T443] ------------[ cut here ]------------
| [   20.110720][  T443] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/443
| [   20.110959][  T443] Modules linked in:
| [   20.111323][  T443] Tainted: [W]=WARN
[   20.111420][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.111589][  T443] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.111762][  T443] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.112229][  T443] RSP: 0018:ffa0000001567020 EFLAGS: 00010286
[   20.112392][  T443] RAX: 00000000ffffffa6 RBX: ff110000092f5a80 RCX: 1ff40000002acdca
[   20.112585][  T443] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f5b3c
[   20.112784][  T443] RBP: ff1100000fe14000 R08: 1fe220000125eb69 R09: ff1100001078ae58
[   20.112980][  T443] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   20.113172][  T443] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.113367][  T443] FS:  00007f2eded80840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   20.113599][  T443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.113764][  T443] CR2: 00007f2edf0501a0 CR3: 0000000010584003 CR4: 0000000000771ef0
[   20.114056][  T443] PKRU: 55555554
[   20.114153][  T443] Call Trace:
[   20.114250][  T443]  <TASK>
[   20.114316][  T443]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.114447][  T443]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.114550][  T443]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.114680][  T443]  __dev_notify_flags (net/core/dev.c:9787)
[   20.114818][  T443]  ? netif_change_name (net/core/dev.c:1495)
[   20.115029][  T443]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.115159][  T443]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.115289][  T443]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.115419][  T443]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.115553][  T443]  netif_change_flags (net/core/dev.c:9820)
[   20.115689][  T443]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.115821][  T443]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.116016][  T443]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.116148][  T443]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.116309][  T443]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.116438][  T443]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.116571][  T443]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.116707][  T443]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.116838][  T443]  ? __kernel_text_address (kernel/extable.c:79)
[   20.117023][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.117155][  T443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.117284][  T443]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.117415][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.117548][  T443]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.117677][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.117812][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.117997][  T443]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.118127][  T443]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.118257][  T443]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.118387][  T443]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.118520][  T443]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.118654][  T443]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.118792][  T443]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.118991][  T443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.119122][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.119252][  T443]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.119382][  T443]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.119516][  T443]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.119649][  T443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.119784][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.119967][  T443]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.120099][  T443]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.120230][  T443]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.120360][  T443]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.120490][  T443]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.120622][  T443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.120756][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.120944][  T443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.121074][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.121205][  T443]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.121334][  T443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.121463][  T443]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.121600][  T443]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.121736][  T443]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.121934][  T443]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.122067][  T443]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.122198][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.122330][  T443]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.122463][  T443]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.122598][  T443]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.122733][  T443]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.122863][  T443]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.123067][  T443]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.123226][  T443]  ? move_addr_to_kernel (net/socket.c:258)
[   20.123358][  T443]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.123487][  T443]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.123619][  T443]  ___sys_sendmsg (net/socket.c:2752)
[   20.123755][  T443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.124004][  T443]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.124146][  T443]  __sys_sendmsg (net/socket.c:2784)
[   20.124277][  T443]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.124408][  T443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.124575][  T443]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.124713][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.124844][  T443]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.125013][  T443]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.125142][  T443]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.125272][  T443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.125434][  T443] RIP: 0033:0x7f2edefba08e
[   20.125572][  T443] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.126044][  T443] RSP: 002b:00007ffd52e07b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.126240][  T443] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2edefba08e
[   20.126435][  T443] RDX: 0000000000000000 RSI: 00007ffd52e07be0 RDI: 0000000000000005
[   20.126632][  T443] RBP: 00007ffd52e07b40 R08: 0000000000000000 R09: 0000000000000000
[   20.126829][  T443] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.127029][  T443] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd52e082b0
| [   20.129445][   T46] ------------[ cut here ]------------
| [   20.129577][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   20.129822][   T46] Modules linked in:
| [   20.130283][   T46] Tainted: [W]=WARN
[   20.130372][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.130521][   T46] Workqueue: events_unbound linkwatch_event
[   20.130676][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.130835][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.131279][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   20.131427][   T46] RAX: 00000000ffffffa6 RBX: ff110000092f4740 RCX: 1ff4000000065f02
[   20.131607][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092f47fc
[   20.131785][   T46] RBP: ff1100000fe14000 R08: 1fe220000125e901 R09: ff110000024a0ba8
[   20.131976][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   20.132152][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.132331][   T46] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   20.132545][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.132699][   T46] CR2: 00007f5928657574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   20.132890][   T46] PKRU: 55555554
[   20.132980][   T46] Call Trace:
[   20.133067][   T46]  <TASK>
[   20.133131][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.133249][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.133377][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.133467][   T46]  netif_state_change (net/core/dev.c:1605)
[   20.133591][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.133745][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   20.133862][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.133988][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.134108][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.134226][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   20.134345][   T46]  process_one_work (kernel/workqueue.c:3314)
[   20.134468][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.134589][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.134716][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.134838][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.134963][   T46]  kthread (kernel/kthread.c:436)
[   20.135053][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.135202][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.135319][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.135438][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.135589][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.135716][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.135835][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.137656][   T46] ------------[ cut here ]------------
| [   20.137779][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   20.138020][   T46] Modules linked in:
| [   20.138376][   T46] Tainted: [W]=WARN
[   20.138465][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.138616][   T46] Workqueue: events_unbound linkwatch_event
[   20.138851][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.139035][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.139457][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   20.139616][   T46] RAX: 00000000ffffffa6 RBX: ff11000001e4b380 RCX: 1ff4000000065f02
[   20.139799][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4b43c
[   20.139990][   T46] RBP: ff11000010034000 R08: 1fe22000003c9689 R09: ff110000024a0ba8
[   20.140168][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   20.140344][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.140523][   T46] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   20.140735][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.140891][   T46] CR2: 00007f5928657574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   20.141069][   T46] PKRU: 55555554
[   20.141159][   T46] Call Trace:
[   20.141246][   T46]  <TASK>
[   20.141308][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.141426][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.141546][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.141637][   T46]  netif_state_change (net/core/dev.c:1605)
[   20.141763][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.141914][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   20.142033][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.142152][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.142271][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.142389][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   20.142511][   T46]  process_one_work (kernel/workqueue.c:3314)
[   20.142633][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.142755][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.142883][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.143005][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.143122][   T46]  kthread (kernel/kthread.c:436)
[   20.143210][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.143355][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.143472][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.143597][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.143750][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.143873][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.143990][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.269468][  T448] ------------[ cut here ]------------
| [   20.269621][  T448] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/448
| [   20.269855][  T448] Modules linked in:
| [   20.270230][  T448] Tainted: [W]=WARN
[   20.270329][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.270493][  T448] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.270668][  T448] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.271147][  T448] RSP: 0018:ffa00000015b7020 EFLAGS: 00010286
[   20.271313][  T448] RAX: 00000000ffffffa6 RBX: ff1100000d637700 RCX: 1ff40000002b6dca
[   20.271511][  T448] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6377bc
[   20.271712][  T448] RBP: ff1100000fff1000 R08: 1fe2200001ac6ef9 R09: ff11000009a90b58
[   20.271911][  T448] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   20.272105][  T448] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.272300][  T448] FS:  00007efe255f4840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   20.272531][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.272697][  T448] CR2: 000000002d75d988 CR3: 000000001096f002 CR4: 0000000000771ef0
[   20.272904][  T448] PKRU: 55555554
[   20.273002][  T448] Call Trace:
[   20.273099][  T448]  <TASK>
[   20.273166][  T448]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.273298][  T448]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.273397][  T448]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.273530][  T448]  __dev_notify_flags (net/core/dev.c:9787)
[   20.273663][  T448]  ? netif_change_name (net/core/dev.c:1495)
[   20.273799][  T448]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.273936][  T448]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.274066][  T448]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.274196][  T448]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.274329][  T448]  netif_change_flags (net/core/dev.c:9820)
[   20.274461][  T448]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.274597][  T448]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.274736][  T448]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.274873][  T448]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.275038][  T448]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.275168][  T448]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.275299][  T448]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.275430][  T448]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.275567][  T448]  ? __kernel_text_address (kernel/extable.c:79)
[   20.275703][  T448]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.275836][  T448]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.275971][  T448]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.276102][  T448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.276233][  T448]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.276363][  T448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.276493][  T448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.276627][  T448]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.276763][  T448]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.276897][  T448]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.277027][  T448]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.277160][  T448]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.277295][  T448]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.277429][  T448]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.277564][  T448]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.277696][  T448]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.277828][  T448]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.277966][  T448]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.278098][  T448]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.278230][  T448]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.278359][  T448]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.278488][  T448]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.278622][  T448]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.278758][  T448]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.278896][  T448]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.279026][  T448]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.279157][  T448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.279287][  T448]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.279419][  T448]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.279550][  T448]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.279681][  T448]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.279816][  T448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.279953][  T448]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.280087][  T448]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.280216][  T448]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.280348][  T448]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.280479][  T448]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.280614][  T448]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.280752][  T448]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.280887][  T448]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.281018][  T448]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.281149][  T448]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.281280][  T448]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.281410][  T448]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.281574][  T448]  ? move_addr_to_kernel (net/socket.c:258)
[   20.281712][  T448]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.281841][  T448]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.281977][  T448]  ___sys_sendmsg (net/socket.c:2752)
[   20.282107][  T448]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.282268][  T448]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.282410][  T448]  __sys_sendmsg (net/socket.c:2784)
[   20.282545][  T448]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.282676][  T448]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.282847][  T448]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.282984][  T448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.283118][  T448]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.283249][  T448]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.283379][  T448]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.283513][  T448]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.283676][  T448] RIP: 0033:0x7efe2582e08e
[   20.283820][  T448] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.284289][  T448] RSP: 002b:00007fffe60ff460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.284487][  T448] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efe2582e08e
[   20.284681][  T448] RDX: 0000000000000000 RSI: 00007fffe60ff510 RDI: 0000000000000005
[   20.284889][  T448] RBP: 00007fffe60ff470 R08: 0000000000000000 R09: 0000000000000000
[   20.285083][  T448] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.285277][  T448] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe60ffbe0
| [   20.295446][   T46] ------------[ cut here ]------------
| [   20.295576][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   20.295815][   T46] Modules linked in:
| [   20.296227][   T46] Tainted: [W]=WARN
[   20.296316][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.296464][   T46] Workqueue: events_unbound linkwatch_event
[   20.296623][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.296784][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.297263][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   20.297415][   T46] RAX: 00000000ffffffa6 RBX: ff1100000d636e40 RCX: 1ff4000000065f02
[   20.297597][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d636efc
[   20.297780][   T46] RBP: ff1100000f124000 R08: 1fe2200001ac6de1 R09: ff110000024a0ba8
[   20.298015][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   20.298192][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.298371][   T46] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   20.298580][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.298735][   T46] CR2: 000000002d75d988 CR3: 000000001096f002 CR4: 0000000000771ef0
[   20.298920][   T46] PKRU: 55555554
[   20.299009][   T46] Call Trace:
[   20.299098][   T46]  <TASK>
[   20.299160][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.299280][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.299407][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.299499][   T46]  netif_state_change (net/core/dev.c:1605)
[   20.299624][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.299780][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   20.299906][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.300027][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.300149][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.300269][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   20.300390][   T46]  process_one_work (kernel/workqueue.c:3314)
[   20.300516][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.300635][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.300764][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.300894][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.301013][   T46]  kthread (kernel/kthread.c:436)
[   20.301104][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.301252][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.301372][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.301501][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.301657][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.301781][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.301907][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.332855][  T449] ------------[ cut here ]------------
| [   20.333040][  T449] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/449
| [   20.333310][  T449] Modules linked in:
| [   20.333777][  T449] Tainted: [W]=WARN
[   20.333933][  T449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.334140][  T449] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.334352][  T449] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.334897][  T449] RSP: 0018:ffa00000015c7150 EFLAGS: 00010286
[   20.335105][  T449] RAX: 00000000ffffffa6 RBX: ff1100000f1b6580 RCX: 1ff40000002b8df0
[   20.335343][  T449] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b663c
[   20.335588][  T449] RBP: ff1100000fff1000 R08: 1fe2200001e36cc9 R09: ff11000009a95158
[   20.335831][  T449] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   20.336077][  T449] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d564740
[   20.336316][  T449] FS:  00007fb10ecfb840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   20.336593][  T449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.336808][  T449] CR2: 00000000004eba70 CR3: 000000000de3f005 CR4: 0000000000771ef0
[   20.337058][  T449] PKRU: 55555554
[   20.337201][  T449] Call Trace:
[   20.337343][  T449]  <TASK>
[   20.337455][  T449]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.337642][  T449]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.337826][  T449]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.337984][  T449]  netif_state_change (net/core/dev.c:1605)
[   20.338160][  T449]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.338365][  T449]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   20.338581][  T449]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   20.338763][  T449]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   20.338953][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.339129][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.339306][  T449]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   20.339482][  T449]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.339661][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.339845][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.340048][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.340222][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.340400][  T449]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.340583][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.340763][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.340953][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.341129][  T449]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   20.341304][  T449]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.341479][  T449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.341661][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.341843][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.342032][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.342205][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.342382][  T449]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.342563][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.342746][  T449]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.342937][  T449]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.343116][  T449]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.343295][  T449]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.343472][  T449]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.343653][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.343835][  T449]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.344028][  T449]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.344205][  T449]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.344384][  T449]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.344566][  T449]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.344749][  T449]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.344969][  T449]  ? move_addr_to_kernel (net/socket.c:258)
[   20.345144][  T449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.345321][  T449]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.345530][  T449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.345716][  T449]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.345938][  T449]  ___sys_sendmsg (net/socket.c:2752)
[   20.346115][  T449]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.346291][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.346473][  T449]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   20.346652][  T449]  ? do_getsockname (net/socket.c:2192)
[   20.346837][  T449]  __sys_sendmsg (net/socket.c:2784)
[   20.347028][  T449]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.347207][  T449]  ? __sys_getsockname (net/socket.c:2210)
[   20.347382][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.347565][  T449]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.347749][  T449]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.347937][  T449]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.348114][  T449]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.348320][  T449] RIP: 0033:0x7fb10ef3508e
[   20.348501][  T449] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.349026][  T449] RSP: 002b:00007ffd6446b980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.349264][  T449] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb10ef3508e
[   20.349502][  T449] RDX: 0000000000000000 RSI: 00007ffd6446ba30 RDI: 0000000000000006
[   20.349754][  T449] RBP: 00007ffd6446b990 R08: 0000000000000000 R09: 0000000000000000
[   20.350001][  T449] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.350238][  T449] R13: 00007ffd6446bae0 R14: 00007ffd6446e84c R15: 0000000000000000
| [   20.517165][  T455] ------------[ cut here ]------------
| [   20.517324][  T455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/455
| [   20.517563][  T455] Modules linked in:
| [   20.518456][  T455] Tainted: [W]=WARN
[   20.518563][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.518734][  T455] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.518917][  T455] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.519395][  T455] RSP: 0018:ffa00000016171b0 EFLAGS: 00010286
[   20.519567][  T455] RAX: 00000000ffffffa6 RBX: ff1100000dc27540 RCX: 1ff40000002c2dfc
[   20.519770][  T455] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc275fc
[   20.519976][  T455] RBP: ff11000007919000 R08: 1fe2200001b84ec1 R09: ff1100000f160b80
[   20.520175][  T455] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.520372][  T455] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   20.520576][  T455] FS:  00007f4112237840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   20.520815][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.520992][  T455] CR2: 00007f41125ac040 CR3: 0000000010825006 CR4: 0000000000771ef0
[   20.521192][  T455] PKRU: 55555554
[   20.521292][  T455] Call Trace:
[   20.521391][  T455]  <TASK>
[   20.521460][  T455]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.521601][  T455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.521708][  T455]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   20.521842][  T455]  __dev_notify_flags (net/core/dev.c:9787)
[   20.521979][  T455]  ? netif_change_name (net/core/dev.c:1495)
[   20.522111][  T455]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   20.522245][  T455]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   20.522377][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.522513][  T455]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   20.522646][  T455]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.522785][  T455]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.522924][  T455]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   20.523057][  T455]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.523196][  T455]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.523328][  T455]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.523459][  T455]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.523601][  T455]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.523745][  T455]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.523883][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.524016][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.524148][  T455]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.524280][  T455]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.524411][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.524551][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.524691][  T455]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.524825][  T455]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.524963][  T455]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.525096][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.525228][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.525363][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.525495][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.525634][  T455]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.525774][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.525914][  T455]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.526051][  T455]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.526184][  T455]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.526320][  T455]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.526454][  T455]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.526591][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.526733][  T455]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.526873][  T455]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.527009][  T455]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.527143][  T455]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.527277][  T455]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.527409][  T455]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.527578][  T455]  ? move_addr_to_kernel (net/socket.c:258)
[   20.527722][  T455]  ___sys_sendmsg (net/socket.c:2752)
[   20.527856][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.527994][  T455]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.528136][  T455]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   20.528271][  T455]  __sys_sendmsg (net/socket.c:2784)
[   20.528404][  T455]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.528546][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.528679][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.528818][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.529024][  T455]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.529159][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.529291][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.529457][  T455] RIP: 0033:0x7f411247108e
[   20.529600][  T455] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.530172][  T455] RSP: 002b:00007ffef0d0d500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.530373][  T455] RAX: ffffffffffffffda RBX: 00007ffef0d0dca8 RCX: 00007f411247108e
[   20.530577][  T455] RDX: 0000000000000000 RSI: 00007ffef0d0d5b0 RDI: 0000000000000005
[   20.530782][  T455] RBP: 00007ffef0d0d510 R08: 0000000000000000 R09: 0000000000000000
[   20.531043][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.531299][  T455] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef0d0dc80
| [   20.569379][  T456] ------------[ cut here ]------------
| [   20.569529][  T456] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/456
| [   20.569763][  T456] Modules linked in:
| [   20.570140][  T456] Tainted: [W]=WARN
[   20.570239][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.570401][  T456] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.570574][  T456] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.571049][  T456] RSP: 0018:ffa0000001627020 EFLAGS: 00010286
[   20.571213][  T456] RAX: 00000000ffffffa6 RBX: ff1100000a16b000 RCX: 1ff40000002c4dca
[   20.571406][  T456] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b0bc
[   20.571603][  T456] RBP: ff11000007919000 R08: 1fe220000142d619 R09: ff1100000f0dd158
[   20.571801][  T456] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   20.572002][  T456] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.572197][  T456] FS:  00007f325b911840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   20.572425][  T456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.572590][  T456] CR2: 00007f325bbe11a0 CR3: 000000000fe63004 CR4: 0000000000771ef0
[   20.572792][  T456] PKRU: 55555554
[   20.572895][  T456] Call Trace:
[   20.572992][  T456]  <TASK>
[   20.573061][  T456]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.573194][  T456]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.573294][  T456]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.573424][  T456]  __dev_notify_flags (net/core/dev.c:9787)
[   20.573558][  T456]  ? netif_change_name (net/core/dev.c:1495)
[   20.573696][  T456]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.573829][  T456]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.573965][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.574096][  T456]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.574230][  T456]  netif_change_flags (net/core/dev.c:9820)
[   20.574362][  T456]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.574494][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.574632][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.574771][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.574945][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.575075][  T456]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.575206][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.575337][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.575469][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   20.575604][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.575742][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.576188][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.576321][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.576451][  T456]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.576582][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.576716][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.576846][  T456]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.576982][  T456]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.577114][  T456]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.577246][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.577379][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.577515][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.577649][  T456]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.577787][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.577920][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.578052][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.578182][  T456]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.578312][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.578444][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.578579][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.578715][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.578847][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.578985][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.579118][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.579249][  T456]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.579380][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.579514][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.579647][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.579784][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.579922][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.580053][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.580185][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.580321][  T456]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.580451][  T456]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.580587][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.580728][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.580860][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.580998][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.581131][  T456]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.581264][  T456]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.581396][  T456]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.581531][  T456]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.581661][  T456]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.581827][  T456]  ? move_addr_to_kernel (net/socket.c:258)
[   20.581965][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.582098][  T456]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.582230][  T456]  ___sys_sendmsg (net/socket.c:2752)
[   20.582361][  T456]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.582525][  T456]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.582669][  T456]  __sys_sendmsg (net/socket.c:2784)
[   20.582807][  T456]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.582943][  T456]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.583110][  T456]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.583241][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.583374][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.583510][  T456]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.583642][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.583779][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.583944][  T456] RIP: 0033:0x7f325bb4b08e
[   20.584081][  T456] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.584550][  T456] RSP: 002b:00007ffc08ee2060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.584751][  T456] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f325bb4b08e
[   20.584947][  T456] RDX: 0000000000000000 RSI: 00007ffc08ee2110 RDI: 0000000000000005
[   20.585142][  T456] RBP: 00007ffc08ee2070 R08: 0000000000000000 R09: 0000000000000000
[   20.585335][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.585535][  T456] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc08ee27e0
| [   20.725460][  T461] ------------[ cut here ]------------
| [   20.725615][  T461] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/461
| [   20.725853][  T461] Modules linked in:
| [   20.726233][  T461] Tainted: [W]=WARN
[   20.726333][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.726499][  T461] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.726675][  T461] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.727158][  T461] RSP: 0018:ffa00000016771b0 EFLAGS: 00010286
[   20.727327][  T461] RAX: 00000000ffffffa6 RBX: ff1100000ba9d700 RCX: 1ff40000002cedfc
[   20.727529][  T461] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba9d7bc
[   20.727733][  T461] RBP: ff11000009d2c000 R08: 1fe2200001753af9 R09: ff110000125c0b80
[   20.728016][  T461] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.728218][  T461] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   20.728418][  T461] FS:  00007f84b25ff840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   20.728658][  T461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.728830][  T461] CR2: 00000000004a2860 CR3: 000000000fe63005 CR4: 0000000000771ef0
[   20.729109][  T461] PKRU: 55555554
[   20.729211][  T461] Call Trace:
[   20.729311][  T461]  <TASK>
[   20.729380][  T461]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.729519][  T461]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.729622][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.729760][  T461]  __dev_notify_flags (net/core/dev.c:9787)
[   20.729983][  T461]  ? netif_change_name (net/core/dev.c:1495)
[   20.730117][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.730249][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.730381][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.730517][  T461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.730655][  T461]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.730798][  T461]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.731009][  T461]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   20.731142][  T461]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.731277][  T461]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.731410][  T461]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.731548][  T461]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.731692][  T461]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.731830][  T461]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.732053][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.732186][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.732318][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.732450][  T461]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.732585][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.732729][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.732863][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.733072][  T461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.733204][  T461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.733335][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.733470][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.733609][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.733746][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.733966][  T461]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.734098][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.734231][  T461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.734367][  T461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.734501][  T461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.734641][  T461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.734781][  T461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.734976][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.735110][  T461]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.735243][  T461]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.735378][  T461]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.735515][  T461]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.735648][  T461]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.735786][  T461]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.736007][  T461]  ? move_addr_to_kernel (net/socket.c:258)
[   20.736145][  T461]  ___sys_sendmsg (net/socket.c:2752)
[   20.736279][  T461]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.736417][  T461]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.736588][  T461]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   20.736728][  T461]  __sys_sendmsg (net/socket.c:2784)
[   20.736862][  T461]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.737056][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.737192][  T461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.737326][  T461]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.737458][  T461]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.737594][  T461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.737763][  T461] RIP: 0033:0x7f84b283908e
[   20.737962][  T461] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.738433][  T461] RSP: 002b:00007fff50b8ad00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.738636][  T461] RAX: ffffffffffffffda RBX: 00007fff50b8b4a8 RCX: 00007f84b283908e
[   20.738839][  T461] RDX: 0000000000000000 RSI: 00007fff50b8adb0 RDI: 0000000000000005
[   20.739075][  T461] RBP: 00007fff50b8ad10 R08: 0000000000000000 R09: 0000000000000000
[   20.739273][  T461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd00
[   20.739473][  T461] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff50b8b480
| [   20.768352][  T462] ------------[ cut here ]------------
| [   20.768530][  T462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/462
| [   20.768814][  T462] Modules linked in:
| [   20.769285][  T462] Tainted: [W]=WARN
[   20.769430][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.769652][  T462] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.769897][  T462] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.770405][  T462] RSP: 0018:ffa0000001687020 EFLAGS: 00010286
[   20.770624][  T462] RAX: 00000000ffffffa6 RBX: ff1100000ba9c3c0 RCX: 1ff40000002d0dca
[   20.770888][  T462] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba9c47c
[   20.771126][  T462] RBP: ff11000009d2c000 R08: 1fe2200001753891 R09: ff110000125a5158
[   20.771365][  T462] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.771614][  T462] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.771863][  T462] FS:  00007f33f8854840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   20.772149][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.772357][  T462] CR2: 000000001b6a2988 CR3: 00000000091bf002 CR4: 0000000000771ef0
[   20.772607][  T462] PKRU: 55555554
[   20.772759][  T462] Call Trace:
[   20.772915][  T462]  <TASK>
[   20.773035][  T462]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.773216][  T462]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.773365][  T462]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.773550][  T462]  __dev_notify_flags (net/core/dev.c:9787)
[   20.773735][  T462]  ? netif_change_name (net/core/dev.c:1495)
[   20.773921][  T462]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.774100][  T462]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.774279][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.774457][  T462]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.774646][  T462]  netif_change_flags (net/core/dev.c:9820)
[   20.774832][  T462]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.775116][  T462]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.775349][  T462]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.775584][  T462]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.775908][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.776170][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.776415][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.776661][  T462]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.776888][  T462]  ? __kernel_text_address (kernel/extable.c:79)
[   20.777064][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.777253][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.777461][  T462]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.777647][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.777832][  T462]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.778017][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.778194][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.778371][  T462]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.778556][  T462]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.778745][  T462]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.778941][  T462]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.779122][  T462]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.779301][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.779481][  T462]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.779666][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.779851][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.780042][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.780221][  T462]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.780396][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.780586][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.780772][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.780966][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.781145][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.781324][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.781501][  T462]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.781695][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.781885][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.782062][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.782241][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.782417][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.782604][  T462]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.782790][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.782983][  T462]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.783167][  T462]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.783342][  T462]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.783525][  T462]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.783712][  T462]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.783903][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.784081][  T462]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.784261][  T462]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.784442][  T462]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.784627][  T462]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.784815][  T462]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.785005][  T462]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.785213][  T462]  ? move_addr_to_kernel (net/socket.c:258)
[   20.785391][  T462]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.785577][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.785768][  T462]  ___sys_sendmsg (net/socket.c:2752)
[   20.785958][  T462]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.786166][  T462]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.786354][  T462]  __sys_sendmsg (net/socket.c:2784)
[   20.786536][  T462]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.786719][  T462]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.786944][  T462]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.787124][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.787301][  T462]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.787477][  T462]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.787657][  T462]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.787846][  T462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.788066][  T462] RIP: 0033:0x7f33f8a8e08e
[   20.788249][  T462] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.788772][  T462] RSP: 002b:00007ffdd351de80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.789028][  T462] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f33f8a8e08e
[   20.789269][  T462] RDX: 0000000000000000 RSI: 00007ffdd351df30 RDI: 0000000000000005
[   20.789514][  T462] RBP: 00007ffdd351de90 R08: 0000000000000000 R09: 0000000000000000
[   20.789764][  T462] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd01
[   20.790012][  T462] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd351e600
| [   20.923633][  T467] ------------[ cut here ]------------
| [   20.923786][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/467
| [   20.924511][  T467] Modules linked in:
| [   20.924881][  T467] Tainted: [W]=WARN
[   20.924977][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.925135][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.925300][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.925760][  T467] RSP: 0018:ffa00000016c7060 EFLAGS: 00010286
[   20.925925][  T467] RAX: 00000000ffffffa6 RBX: ff11000010abb380 RCX: 1ff40000002d8dd2
[   20.926114][  T467] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb43c
[   20.926301][  T467] RBP: ff1100000f124000 R08: 1fe2200002157689 R09: ff110000106f8b58
[   20.926492][  T467] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   20.926683][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   20.926882][  T467] FS:  00007fcaef939840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   20.927101][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.927263][  T467] CR2: 000000002730a988 CR3: 000000000c61c002 CR4: 0000000000771ef0
[   20.927451][  T467] PKRU: 55555554
[   20.927549][  T467] Call Trace:
[   20.927643][  T467]  <TASK>
[   20.927715][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.927842][  T467]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   20.927973][  T467]  notifier_call_chain (kernel/notifier.c:85)
[   20.928103][  T467]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   20.928232][  T467]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   20.928357][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.928485][  T467]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   20.928612][  T467]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   20.928745][  T467]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   20.928879][  T467]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.929007][  T467]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.929168][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.929293][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.929418][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.929547][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.929674][  T467]  ? __kernel_text_address (kernel/extable.c:79)
[   20.929810][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.929943][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.930071][  T467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.930198][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.930324][  T467]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.930449][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.930579][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.930711][  T467]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.930839][  T467]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.930973][  T467]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.931099][  T467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.931226][  T467]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.931351][  T467]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.931483][  T467]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.931613][  T467]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.931746][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.931876][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.932003][  T467]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.932128][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.932254][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.932382][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.932510][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.932636][  T467]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.932768][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.932900][  T467]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.933025][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.933153][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.933278][  T467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.933402][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.933534][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.933658][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.933790][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.933924][  T467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.934050][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.934179][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.934304][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.934431][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.934563][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.934694][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.934824][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.934957][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.935084][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.935211][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.935336][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.935462][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.935623][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   20.935756][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.935887][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.936015][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   20.936140][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.936296][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.936436][  T467]  __sys_sendmsg (net/socket.c:2784)
[   20.936566][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.936696][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.936862][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.936998][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.937124][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.937251][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.937376][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.937502][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.937662][  T467] RIP: 0033:0x7fcaefb7308e
[   20.937798][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.938255][  T467] RSP: 002b:00007ffe97147880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.938445][  T467] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcaefb7308e
[   20.938639][  T467] RDX: 0000000000000000 RSI: 00007ffe97147930 RDI: 0000000000000005
[   20.938833][  T467] RBP: 00007ffe97147890 R08: 0000000000000000 R09: 0000000000000000
[   20.939027][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd01
[   20.939216][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe97148000
| [   22.599183][   T12] ------------[ cut here ]------------
| [   22.599422][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.599725][   T12] Modules linked in:
| [   22.600198][   T12] Tainted: [W]=WARN
[   22.600361][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.600567][   T12] Workqueue: netns cleanup_net
[   22.600749][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.600962][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.601434][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.601638][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4a200 RCX: 1ff4000000018eed
[   22.601879][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a2bc
[   22.602103][   T12] RBP: ff1100000e714000 R08: 1fe2200001f89459 R09: ff11000001aed1d0
[   22.602324][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.602547][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.602785][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.603052][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.603246][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.603472][   T12] PKRU: 55555554
[   22.603613][   T12] Call Trace:
[   22.603756][   T12]  <TASK>
[   22.603864][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.604076][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.604269][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.604438][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.604614][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.604794][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.604974][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.605142][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.605309][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.605477][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.605645][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.605820][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.606002][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.606170][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.606335][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.606503][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.606675][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.606853][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.607037][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.607204][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.607373][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.607549][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.607723][   T12]  kthread (kernel/kthread.c:436)
[   22.607863][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.608071][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.608238][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.608406][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.608608][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.608784][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.608965][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.611704][   T12] ------------[ cut here ]------------
| [   22.611882][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.612228][   T12] Modules linked in:
| [   22.612717][   T12] Tainted: [W]=WARN
[   22.612855][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.613160][   T12] Workqueue: netns cleanup_net
[   22.613333][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.613533][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.614094][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.614362][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4bc40 RCX: 1ff4000000018eed
[   22.614592][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4bcfc
[   22.614824][   T12] RBP: ff1100000ff6c000 R08: 1fe2200001f897a1 R09: ff11000001aed1d0
[   22.615062][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.615285][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.615517][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.615853][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.616074][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.616301][   T12] PKRU: 55555554
[   22.616435][   T12] Call Trace:
[   22.616579][   T12]  <TASK>
[   22.616685][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.616977][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.617239][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.617411][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.617586][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.617830][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.618008][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.618188][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.618356][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.618525][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.618775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.618958][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.619126][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.619292][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.619637][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.619815][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.619991][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.620229][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.620401][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.620586][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.620761][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.621015][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.621255][   T12]  kthread (kernel/kthread.c:436)
[   22.621390][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.621591][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.621766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.622017][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.622210][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.622373][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.622615][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.625539][   T12] ------------[ cut here ]------------
| [   22.625703][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.626233][   T12] Modules linked in:
| [   22.626720][   T12] Tainted: [W]=WARN
[   22.626855][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.627061][   T12] Workqueue: netns cleanup_net
[   22.627230][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.627431][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.627950][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.628148][   T12] RAX: 00000000ffffffa6 RBX: ff110000056c0580 RCX: 1ff4000000018eed
[   22.628368][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c063c
[   22.628598][   T12] RBP: ff11000008d3c000 R08: 1fe2200000ad80c9 R09: ff11000001aed1d0
[   22.628820][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.629054][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.629279][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.629537][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.629738][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.629976][   T12] PKRU: 55555554
[   22.630110][   T12] Call Trace:
[   22.630248][   T12]  <TASK>
[   22.630356][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.630635][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.630842][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.631022][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.631215][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.631378][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.631551][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.631725][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.631904][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.632075][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.632311][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.632477][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.632650][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.632828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.633004][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.633170][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.633335][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.633507][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.633683][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.633856][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.634039][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.634210][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.634446][   T12]  kthread (kernel/kthread.c:436)
[   22.634589][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.634794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.634975][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.635140][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.635404][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.635579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.635754][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.638467][   T12] ------------[ cut here ]------------
| [   22.638638][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.639467][   T12] Modules linked in:
| [   22.640050][   T12] Tainted: [W]=WARN
[   22.640228][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.640467][   T12] Workqueue: netns cleanup_net
[   22.640703][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.640964][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.641476][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.641733][   T12] RAX: 00000000ffffffa6 RBX: ff110000056c0900 RCX: 1ff4000000018eed
[   22.642021][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c09bc
[   22.642287][   T12] RBP: ff110000104a9000 R08: 1fe2200000ad8139 R09: ff11000001aed1d0
[   22.642588][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.642955][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.643229][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.643536][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.643784][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.644107][   T12] PKRU: 55555554
[   22.644286][   T12] Call Trace:
[   22.644464][   T12]  <TASK>
[   22.644625][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.644952][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.645232][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.645500][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.645850][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.646125][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.646386][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.646649][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.646927][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.647152][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.647396][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.647609][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.647830][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.648052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.648260][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.648470][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.648688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.648924][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.649141][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.649353][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.649579][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.649806][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.650031][   T12]  kthread (kernel/kthread.c:436)
[   22.650215][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.650453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.650669][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.650902][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.651141][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.651350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.651566][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.655653][   T12] ------------[ cut here ]------------
| [   22.655834][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.656123][   T12] Modules linked in:
| [   22.656582][   T12] Tainted: [W]=WARN
[   22.656724][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.656935][   T12] Workqueue: netns cleanup_net
[   22.657103][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.657304][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.657786][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.658102][   T12] RAX: 00000000ffffffa6 RBX: ff110000056c0200 RCX: 1ff4000000018eed
[   22.658416][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c02bc
[   22.658744][   T12] RBP: ff1100000a894000 R08: 1fe2200000ad8059 R09: ff11000001aed1d0
[   22.659068][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.659384][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.659705][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.660016][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.660263][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.660541][   T12] PKRU: 55555554
[   22.660727][   T12] Call Trace:
[   22.660917][   T12]  <TASK>
[   22.661069][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.661311][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.661556][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.661771][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.661993][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.662203][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.662412][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.662632][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.662849][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.663073][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.663281][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.663503][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.663763][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.663990][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.664200][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.664410][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.664632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.664857][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.665085][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.665296][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.665513][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.665741][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.665964][   T12]  kthread (kernel/kthread.c:436)
[   22.666146][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.666386][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.666600][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.666827][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.667089][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.667300][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.667514][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.689011][   T12] ------------[ cut here ]------------
| [   22.689184][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.689475][   T12] Modules linked in:
| [   22.689977][   T12] Tainted: [W]=WARN
[   22.690117][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.690318][   T12] Workqueue: netns cleanup_net
[   22.690495][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.690720][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.691224][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   22.691428][   T12] RAX: 00000000ffffffa6 RBX: ff110000056c0ac0 RCX: 1ff4000000018eaf
[   22.691669][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c0b7c
[   22.691916][   T12] RBP: ff1100000fe14000 R08: 1fe2200000ad8171 R09: ff11000001aed1d0
[   22.692146][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   22.692375][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010034000
[   22.692616][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.692901][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.693103][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.693337][   T12] PKRU: 55555554
[   22.693477][   T12] Call Trace:
[   22.693620][   T12]  <TASK>
[   22.693739][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.693923][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.694066][   T12]  netif_close_many (net/core/dev.c:1804)
[   22.694239][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.694408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.694617][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.694800][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   22.694986][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.695191][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   22.695397][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.695579][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.695793][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.695978][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.696151][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.696351][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   22.696528][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.696709][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.696895][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.697068][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.697245][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.697419][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.697598][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.697776][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.697964][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.698137][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.698310][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.698478][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.698661][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.698839][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.699027][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.699204][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.699375][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.699558][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.699752][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.699941][   T12]  kthread (kernel/kthread.c:436)
[   22.700084][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.700288][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.700461][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.700644][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.700854][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.701040][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.701216][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.704156][   T12] ------------[ cut here ]------------
| [   22.704320][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.704618][   T12] Modules linked in:
| [   22.705113][   T12] Tainted: [W]=WARN
[   22.705254][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.705453][   T12] Workqueue: netns cleanup_net
[   22.705641][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.705860][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.706356][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   22.706567][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01380 RCX: 1ff4000000018eaf
[   22.706806][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0143c
[   22.707052][   T12] RBP: ff11000010034000 R08: 1fe2200001340289 R09: ff11000001aed1d0
[   22.707287][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   22.707520][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007921000
[   22.707763][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.708038][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.708244][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.708475][   T12] PKRU: 55555554
[   22.708620][   T12] Call Trace:
[   22.708767][   T12]  <TASK>
[   22.708890][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.709062][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.709239][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.709381][   T12]  netif_close_many (net/core/dev.c:1804)
[   22.709562][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.709737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.709918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.710090][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   22.710263][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.710466][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   22.710679][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.710867][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.711078][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.711250][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.711421][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.711630][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   22.711812][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.711998][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.712204][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.712378][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.712558][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.712740][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.712928][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.713101][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.713275][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.713452][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.713632][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.713811][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.713999][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.714171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.714346][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.714529][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.714711][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.714902][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.715078][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.715274][   T12]  kthread (kernel/kthread.c:436)
[   22.715414][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.715620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.715801][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.715994][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.716198][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.716371][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.716552][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.719682][   T12] ------------[ cut here ]------------
| [   22.719861][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.720162][   T12] Modules linked in:
| [   22.720645][   T12] Tainted: [W]=WARN
[   22.720792][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.721010][   T12] Workqueue: netns cleanup_net
[   22.721187][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.721395][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.721914][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   22.722118][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9a80 RCX: 1ff4000000018eaf
[   22.722347][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9b3c
[   22.722587][   T12] RBP: ff11000007921000 R08: 1fe2200002137369 R09: ff11000001aed1d0
[   22.722826][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   22.723068][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   22.723302][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.723579][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.723790][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.724036][   T12] PKRU: 55555554
[   22.724175][   T12] Call Trace:
[   22.724314][   T12]  <TASK>
[   22.724426][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.724607][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.724793][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.724951][   T12]  netif_close_many (net/core/dev.c:1804)
[   22.725123][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.725292][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.725462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.725643][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   22.725824][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.726040][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   22.726248][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.726432][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.726643][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.726823][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.727008][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.727212][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   22.727386][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.727570][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.727749][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.727936][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.728110][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.728281][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.728451][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.728628][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.728837][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.729024][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.729198][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.729369][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.729550][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.729727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.729914][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.730095][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.730269][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.730444][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.730626][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.730803][   T12]  kthread (kernel/kthread.c:436)
[   22.730981][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.731180][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.731357][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.731619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.731919][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.732091][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.732262][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.735595][   T12] ------------[ cut here ]------------
| [   22.735764][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.736595][   T12] Modules linked in:
| [   22.737166][   T12] Tainted: [W]=WARN
[   22.737352][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.737600][   T12] Workqueue: netns cleanup_net
[   22.737828][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.738096][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.738622][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   22.738886][   T12] RAX: 00000000ffffffa6 RBX: ff11000004fbae40 RCX: 1ff4000000018ed5
[   22.739168][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fbaefc
[   22.739452][   T12] RBP: ff1100000fe14000 R08: 1fe22000009f75e1 R09: ff11000001aed1d0
[   22.739739][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.740025][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.740303][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.740619][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.740887][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.741172][   T12] PKRU: 55555554
[   22.741356][   T12] Call Trace:
[   22.741547][   T12]  <TASK>
[   22.741722][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.741985][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.742227][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.742440][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.742660][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.742926][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.743145][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.743363][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.743609][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.743835][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.744061][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.744275][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.744486][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.744711][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.744945][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.745314][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.745580][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.745893][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.746223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.746516][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.746742][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.746975][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.747193][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.747409][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.747629][   T12]  kthread (kernel/kthread.c:436)
[   22.747818][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.748078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.748293][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.748511][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.748765][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.748996][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.749211][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.753976][   T12] ------------[ cut here ]------------
| [   22.754142][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.754421][   T12] Modules linked in:
| [   22.754910][   T12] Tainted: [W]=WARN
[   22.755046][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.755241][   T12] Workqueue: netns cleanup_net
[   22.755413][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.755623][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.756125][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   22.756324][   T12] RAX: 00000000ffffffa6 RBX: ff11000004fbba80 RCX: 1ff4000000018ed5
[   22.756554][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fbbb3c
[   22.756788][   T12] RBP: ff11000010034000 R08: 1fe22000009f7769 R09: ff11000001aed1d0
[   22.757031][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.757257][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.757482][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.757749][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.757961][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.758218][   T12] PKRU: 55555554
[   22.758353][   T12] Call Trace:
[   22.758487][   T12]  <TASK>
[   22.758601][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.758813][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.759023][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.759190][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.759360][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.759571][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.759754][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.759995][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.760164][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.760335][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.760506][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.760678][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.760851][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.761174][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.761397][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.761624][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.761842][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.762081][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.762294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.762508][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.762739][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.762965][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.763184][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.763402][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.763619][   T12]  kthread (kernel/kthread.c:436)
[   22.763810][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.764065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.764278][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.764490][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.764743][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.764967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.765181][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.776166][   T12] ------------[ cut here ]------------
| [   22.776338][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.776631][   T12] Modules linked in:
| [   22.777118][   T12] Tainted: [W]=WARN
[   22.777255][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.777450][   T12] Workqueue: netns cleanup_net
[   22.777628][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.777840][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.779233][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   22.779523][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0740 RCX: 1ff4000000018ed5
[   22.779846][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa07fc
[   22.780169][   T12] RBP: ff11000007921000 R08: 1fe2200001954101 R09: ff11000001aed1d0
[   22.780439][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.780727][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.781019][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.781320][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.781577][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.781861][   T12] PKRU: 55555554
[   22.782102][   T12] Call Trace:
[   22.782282][   T12]  <TASK>
[   22.782390][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.782600][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.782805][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.782991][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.783159][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.783362][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.783536][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.783743][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.783929][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.784103][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.784274][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.784446][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.784623][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.784809][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.784994][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.785166][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.785335][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.785511][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.785684][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.785907][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.786080][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.786254][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.786429][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.786616][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.786795][   T12]  kthread (kernel/kthread.c:436)
[   22.786948][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.787149][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.787318][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.787487][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.787699][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.787884][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.788055][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.816840][   T12] ------------[ cut here ]------------
| [   22.817026][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.817310][   T12] Modules linked in:
| [   22.817784][   T12] Tainted: [W]=WARN
[   22.818089][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.818281][   T12] Workqueue: netns cleanup_net
[   22.818452][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.818667][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.819150][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.819346][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f2900 RCX: 1ff4000000018eed
[   22.819578][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f29bc
[   22.819811][   T12] RBP: ff11000009cec000 R08: 1fe22000020be539 R09: ff11000001aed1d0
[   22.820053][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.820280][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.820503][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.820768][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.820974][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.821197][   T12] PKRU: 55555554
[   22.821331][   T12] Call Trace:
[   22.821464][   T12]  <TASK>
[   22.821580][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.821785][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.821995][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.822159][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.822326][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.822489][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.822661][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.822836][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.823014][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.823178][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.823340][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.823506][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.823681][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.823858][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.824036][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.824203][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.824366][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.824533][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.824714][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.824893][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.825062][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.825233][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.825398][   T12]  kthread (kernel/kthread.c:436)
[   22.825536][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.825737][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.825916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.826084][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.826278][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.826446][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.826619][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.829282][   T12] ------------[ cut here ]------------
| [   22.829446][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.829737][   T12] Modules linked in:
| [   22.830606][   T12] Tainted: [W]=WARN
[   22.830750][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.830956][   T12] Workqueue: netns cleanup_net
[   22.831126][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.831323][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.831798][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.832013][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7d5a80 RCX: 1ff4000000018eed
[   22.832232][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d5b3c
[   22.832450][   T12] RBP: ff11000012419000 R08: 1fe22000016fab69 R09: ff11000001aed1d0
[   22.832677][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.832916][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.833141][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.833389][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.833590][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.833822][   T12] PKRU: 55555554
[   22.833976][   T12] Call Trace:
[   22.834109][   T12]  <TASK>
[   22.834215][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.834412][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.834611][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.834786][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.834972][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.835138][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.835304][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.835469][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.835643][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.835819][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.835998][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.836166][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.836333][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.836499][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.836671][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.836848][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.837027][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.837196][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.837365][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.837534][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.837713][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.837908][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.838076][   T12]  kthread (kernel/kthread.c:436)
[   22.838212][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.838412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.838615][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.838791][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.839007][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.839202][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.839370][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.842003][   T12] ------------[ cut here ]------------
| [   22.842164][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.842443][   T12] Modules linked in:
| [   22.843357][   T12] Tainted: [W]=WARN
[   22.843551][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.843800][   T12] Workqueue: netns cleanup_net
[   22.844024][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.844272][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.844798][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.845057][   T12] RAX: 00000000ffffffa6 RBX: ff1100000909c580 RCX: 1ff4000000018eed
[   22.845325][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909c63c
[   22.845600][   T12] RBP: ff110000125dc000 R08: 1fe22000012138c9 R09: ff11000001aed1d0
[   22.845892][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.846157][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.846426][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.846739][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.846995][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.847265][   T12] PKRU: 55555554
[   22.847443][   T12] Call Trace:
[   22.847631][   T12]  <TASK>
[   22.847787][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.848080][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.848365][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.848638][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.848917][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.849170][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.849429][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.849699][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.849952][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.850115][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.850279][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.850445][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.850619][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.850794][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.850972][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.851138][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.851305][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.851473][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.851680][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.851852][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.852034][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.852204][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.852368][   T12]  kthread (kernel/kthread.c:436)
[   22.852505][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.852711][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.852891][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.853059][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.853254][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.853421][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.853594][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.856045][   T12] ------------[ cut here ]------------
| [   22.856207][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.856495][   T12] Modules linked in:
| [   22.857389][   T12] Tainted: [W]=WARN
[   22.857573][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.857815][   T12] Workqueue: netns cleanup_net
[   22.858046][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.858315][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.858901][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.859156][   T12] RAX: 00000000ffffffa6 RBX: ff1100000909c200 RCX: 1ff4000000018eed
[   22.859451][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909c2bc
[   22.859732][   T12] RBP: ff11000009b04000 R08: 1fe2200001213859 R09: ff11000001aed1d0
[   22.860014][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.860287][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.860563][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.860885][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.861128][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.861431][   T12] PKRU: 55555554
[   22.861618][   T12] Call Trace:
[   22.861810][   T12]  <TASK>
[   22.861975][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.862226][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.862470][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.862703][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.862930][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.863143][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.863355][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.863576][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.863828][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.864109][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.864379][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.864647][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.864926][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.865190][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.865444][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.865715][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.865980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.866171][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.866344][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.866512][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.866686][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.866879][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.867043][   T12]  kthread (kernel/kthread.c:436)
[   22.867178][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.867372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.867545][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.867722][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.867933][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.868098][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.868264][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.870806][   T12] ------------[ cut here ]------------
| [   22.870985][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.871280][   T12] Modules linked in:
| [   22.871776][   T12] Tainted: [W]=WARN
[   22.871926][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.872129][   T12] Workqueue: netns cleanup_net
[   22.872303][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.872504][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.873117][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.873362][   T12] RAX: 00000000ffffffa6 RBX: ff1100000909c3c0 RCX: 1ff4000000018eed
[   22.873639][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909c47c
[   22.873927][   T12] RBP: ff1100000ef54000 R08: 1fe2200001213891 R09: ff11000001aed1d0
[   22.874200][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.874465][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.874750][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.875063][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.875305][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.875579][   T12] PKRU: 55555554
[   22.875768][   T12] Call Trace:
[   22.875965][   T12]  <TASK>
[   22.876123][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.876370][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.876618][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.876845][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.877079][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.877288][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.877504][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.877737][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.877967][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.878182][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.878394][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.878616][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.878845][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.879078][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.879290][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.879506][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.879734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.879967][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.880193][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.880407][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.880637][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.880931][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.881158][   T12]  kthread (kernel/kthread.c:436)
[   22.881396][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.881707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.881986][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.882240][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.882536][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.882798][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.883064][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.887528][   T12] ------------[ cut here ]------------
| [   22.887711][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.888011][   T12] Modules linked in:
| [   22.888475][   T12] Tainted: [W]=WARN
[   22.888617][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.888820][   T12] Workqueue: netns cleanup_net
[   22.889096][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.889359][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.889901][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.890165][   T12] RAX: 00000000ffffffa6 RBX: ff1100000909d700 RCX: 1ff4000000018eed
[   22.890455][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d7bc
[   22.890737][   T12] RBP: ff1100000ff59000 R08: 1fe2200001213af9 R09: ff11000001aed1d0
[   22.891019][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.891285][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.891564][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.891928][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.892174][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.892476][   T12] PKRU: 55555554
[   22.892666][   T12] Call Trace:
[   22.892857][   T12]  <TASK>
[   22.893030][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.893281][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.893559][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.893782][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.894011][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.894222][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.894438][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.894666][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.894911][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.895130][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.895339][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.895565][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.895790][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.896014][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.896265][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.896476][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.896699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.896931][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.897146][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.897358][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.897614][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.897790][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.897976][   T12]  kthread (kernel/kthread.c:436)
[   22.898112][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.898306][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.898473][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.898647][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.898855][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.899035][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.899201][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.902888][   T12] ------------[ cut here ]------------
| [   22.903062][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.903338][   T12] Modules linked in:
| [   22.903802][   T12] Tainted: [W]=WARN
[   22.903951][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.904143][   T12] Workqueue: netns cleanup_net
[   22.904314][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.904515][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.905013][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.905208][   T12] RAX: 00000000ffffffa6 RBX: ff1100000909ce40 RCX: 1ff4000000018eed
[   22.905427][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909cefc
[   22.905654][   T12] RBP: ff110000103f4000 R08: 1fe22000012139e1 R09: ff11000001aed1d0
[   22.905900][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.906126][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.906349][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.906611][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.906815][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.907055][   T12] PKRU: 55555554
[   22.907189][   T12] Call Trace:
[   22.907324][   T12]  <TASK>
[   22.907432][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.907641][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.907841][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.908022][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.908189][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.908358][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.908530][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.908703][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.908887][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.909053][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.909218][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.909383][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.909587][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.909764][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.909945][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.910128][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.910295][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.910463][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.910646][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.910822][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.911011][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.911178][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.911341][   T12]  kthread (kernel/kthread.c:436)
[   22.911476][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.911675][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.911847][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.912027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.912224][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.912390][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.912562][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.915387][   T12] ------------[ cut here ]------------
| [   22.915551][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.915836][   T12] Modules linked in:
| [   22.916817][   T12] Tainted: [W]=WARN
[   22.917011][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.917249][   T12] Workqueue: netns cleanup_net
[   22.917468][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.917732][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.918261][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.918508][   T12] RAX: 00000000ffffffa6 RBX: ff1100000922aac0 RCX: 1ff4000000018eed
[   22.918799][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922ab7c
[   22.919081][   T12] RBP: ff1100000a3c4000 R08: 1fe2200001245571 R09: ff11000001aed1d0
[   22.919356][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.919635][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.919932][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.920235][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.920480][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.920767][   T12] PKRU: 55555554
[   22.920966][   T12] Call Trace:
[   22.921153][   T12]  <TASK>
[   22.921312][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.921566][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.921818][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.922047][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.922266][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.922477][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.922702][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.922934][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.923148][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.923325][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.923488][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.923665][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.923841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.924022][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.924185][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.924380][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.924549][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.924722][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.924908][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.925073][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.925243][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.925414][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.925591][   T12]  kthread (kernel/kthread.c:436)
[   22.925736][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.925945][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.926112][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.926285][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.926480][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.926654][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.926828][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.929433][   T12] ------------[ cut here ]------------
| [   22.929602][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.930699][   T12] Modules linked in:
| [   22.931270][   T12] Tainted: [W]=WARN
[   22.931453][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.931708][   T12] Workqueue: netns cleanup_net
[   22.931941][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.932200][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.932731][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.932991][   T12] RAX: 00000000ffffffa6 RBX: ff1100000922a3c0 RCX: 1ff4000000018eed
[   22.933313][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a47c
[   22.933587][   T12] RBP: ff11000010244000 R08: 1fe2200001245491 R09: ff11000001aed1d0
[   22.933921][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.934189][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.934458][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.934771][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.935029][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.935299][   T12] PKRU: 55555554
[   22.935479][   T12] Call Trace:
[   22.935667][   T12]  <TASK>
[   22.935835][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.936100][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.936341][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.936566][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.936788][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.937017][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.937230][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.937445][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.937666][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.937903][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.938113][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.938324][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.938550][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.938775][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.939009][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.939226][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.939438][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.939698][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.939976][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.940259][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.940523][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.940790][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.941078][   T12]  kthread (kernel/kthread.c:436)
[   22.941310][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.941544][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.941715][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.941900][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.942093][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.942258][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.942423][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.944997][   T12] ------------[ cut here ]------------
| [   22.945162][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.945441][   T12] Modules linked in:
| [   22.946229][   T12] Tainted: [W]=WARN
[   22.946414][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.946663][   T12] Workqueue: netns cleanup_net
[   22.946904][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.947152][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.947672][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   22.947942][   T12] RAX: 00000000ffffffa6 RBX: ff1100000922bc40 RCX: 1ff4000000018eed
[   22.948218][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922bcfc
[   22.948498][   T12] RBP: ff11000010411000 R08: 1fe22000012457a1 R09: ff11000001aed1d0
[   22.948785][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.949065][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.949335][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.949652][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.949917][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.950191][   T12] PKRU: 55555554
[   22.950373][   T12] Call Trace:
[   22.950563][   T12]  <TASK>
[   22.950728][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.950995][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.951234][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.951451][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.951675][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.951917][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.952138][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.952356][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.952578][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.952801][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.953026][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.953275][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.953544][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.953833][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.954052][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.954220][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.954386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.954561][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.954739][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.954917][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.955090][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.955259][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.955423][   T12]  kthread (kernel/kthread.c:436)
[   22.955567][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.955766][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.955945][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.956115][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.956312][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.956478][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.956648][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.970890][   T12] ------------[ cut here ]------------
| [   22.971082][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.971380][   T12] Modules linked in:
| [   22.971885][   T12] Tainted: [W]=WARN
[   22.972024][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.972225][   T12] Workqueue: netns cleanup_net
[   22.972404][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.972621][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.973196][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   22.973450][   T12] RAX: 00000000ffffffa6 RBX: ff1100000922a740 RCX: 1ff4000000018eaf
[   22.973751][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a7fc
[   22.974048][   T12] RBP: ff11000009d2c000 R08: 1fe2200001245501 R09: ff11000001aed1d0
[   22.974325][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   22.974609][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007919000
[   22.974911][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.975237][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.975487][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.975777][   T12] PKRU: 55555554
[   22.975980][   T12] Call Trace:
[   22.976169][   T12]  <TASK>
[   22.976330][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.976512][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.976662][   T12]  netif_close_many (net/core/dev.c:1804)
[   22.976842][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   22.977031][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.977230][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.977401][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   22.977583][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   22.977796][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.977982][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.978180][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.978351][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.978531][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.978710][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.978894][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.979066][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.979238][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.979413][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.979590][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.979767][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.979948][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.980121][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.980292][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.980460][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.980644][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.980820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.981006][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.981181][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.981351][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.981532][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.981715][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.981898][   T12]  kthread (kernel/kthread.c:436)
[   22.982041][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.982242][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.982414][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.982595][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.982802][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.982988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.983163][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.985367][   T12] ------------[ cut here ]------------
| [   22.985535][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   22.985832][   T12] Modules linked in:
| [   22.986904][   T12] Tainted: [W]=WARN
[   22.987098][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.987377][   T12] Workqueue: netns cleanup_net
[   22.987608][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.987911][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.988471][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   22.988751][   T12] RAX: 00000000ffffffa6 RBX: ff1100000922ba80 RCX: 1ff4000000018eaf
[   22.989011][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922bb3c
[   22.989239][   T12] RBP: ff11000007919000 R08: 1fe2200001245769 R09: ff11000001aed1d0
[   22.989469][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   22.989714][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f124000
[   22.989965][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   22.990226][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.990427][   T12] CR2: 00007f584d456000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   22.990669][   T12] PKRU: 55555554
[   22.990817][   T12] Call Trace:
[   22.990968][   T12]  <TASK>
[   22.991079][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.991253][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.991424][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.991576][   T12]  netif_close_many (net/core/dev.c:1804)
[   22.991760][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   22.991946][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.992145][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.992315][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   22.992492][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   22.992709][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.992897][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.993098][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.993268][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.993444][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.993624][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.993803][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.993987][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.994161][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.994335][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.994505][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.994685][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.994880][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.995057][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   22.995229][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.995398][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.995581][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.995761][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.995948][   T12]  process_one_work (kernel/workqueue.c:3314)
[   22.996123][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.996294][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.996471][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.996655][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.996832][   T12]  kthread (kernel/kthread.c:436)
[   22.996983][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.997187][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.997357][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.997532][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.997745][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.997934][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.998109][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.014499][   T12] ------------[ cut here ]------------
| [   23.014644][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   23.014905][   T12] Modules linked in:
| [   23.015292][   T12] Tainted: [W]=WARN
[   23.015388][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.015548][   T12] Workqueue: netns cleanup_net
[   23.015680][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.015847][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.016301][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   23.016459][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4be00 RCX: 1ff4000000018eaf
[   23.016649][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4bebc
[   23.016844][   T12] RBP: ff1100000f124000 R08: 1fe2200001f897d9 R09: ff11000001aed1d0
[   23.017035][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   23.017220][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c11000
[   23.017408][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.017627][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.017790][   T12] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.017986][   T12] PKRU: 55555554
[   23.018080][   T12] Call Trace:
[   23.018175][   T12]  <TASK>
[   23.018241][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.018366][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.018491][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.018589][   T12]  netif_close_many (net/core/dev.c:1804)
[   23.018722][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   23.018847][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.019003][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.019126][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   23.019252][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.019408][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.019537][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.019689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.019822][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.019957][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.020083][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.020207][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.020331][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.020456][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.020582][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.020709][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.020832][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.020963][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.021091][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.021216][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.021338][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.021465][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.021594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.021725][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.021852][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.021980][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.022109][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.022237][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.022361][   T12]  kthread (kernel/kthread.c:436)
[   23.022454][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.022610][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.022737][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.022862][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.023023][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.023148][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.023271][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.026034][   T12] ------------[ cut here ]------------
| [   23.026163][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   23.026410][   T12] Modules linked in:
| [   23.026800][   T12] Tainted: [W]=WARN
[   23.026911][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.027067][   T12] Workqueue: netns cleanup_net
[   23.027197][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.027363][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.027803][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   23.027965][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baab700 RCX: 1ff4000000018eaf
[   23.028152][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baab7bc
[   23.028334][   T12] RBP: ff11000008c11000 R08: 1fe22000017556f9 R09: ff11000001aed1d0
[   23.028519][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   23.028707][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fff1000
[   23.028899][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.029115][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.029271][   T12] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.029460][   T12] PKRU: 55555554
[   23.029555][   T12] Call Trace:
[   23.029647][   T12]  <TASK>
[   23.029717][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.029842][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.029969][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.030064][   T12]  netif_close_many (net/core/dev.c:1804)
[   23.030189][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   23.030313][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.030463][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.030588][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   23.030719][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.030879][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.031004][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.031156][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.031280][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.031407][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.031536][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.031664][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.031795][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.031926][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.032052][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.032174][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.032297][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.032421][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.032550][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.032676][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.032804][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.032934][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.033054][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.033178][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.033305][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.033429][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.033563][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.033698][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.033821][   T12]  kthread (kernel/kthread.c:436)
[   23.033921][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.034078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.034202][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.034327][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.034487][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.034617][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.034748][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.036384][   T12] ------------[ cut here ]------------
| [   23.036506][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   23.036756][   T12] Modules linked in:
| [   23.037132][   T12] Tainted: [W]=WARN
[   23.037225][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.037378][   T12] Workqueue: netns cleanup_net
[   23.037506][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.037668][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.038131][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   23.038284][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baaa900 RCX: 1ff4000000018eaf
[   23.038472][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baaa9bc
[   23.038661][   T12] RBP: ff1100000fff1000 R08: 1fe2200001755539 R09: ff11000001aed1d0
[   23.038849][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   23.039041][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdd4000
[   23.039226][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.039444][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.039603][   T12] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.039796][   T12] PKRU: 55555554
[   23.039894][   T12] Call Trace:
[   23.039986][   T12]  <TASK>
[   23.040050][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.040173][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.040299][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.040393][   T12]  netif_close_many (net/core/dev.c:1804)
[   23.040518][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   23.040642][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.040805][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.040933][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   23.041056][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.041213][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.041335][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.041488][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.041614][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.041745][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.041874][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.041998][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.042126][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.042250][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.042374][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.042497][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.042624][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.042755][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.042884][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.043007][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.043134][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.043260][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.043385][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.043514][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.043641][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.043768][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.043901][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.044030][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.044152][   T12]  kthread (kernel/kthread.c:436)
[   23.044246][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.044399][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.044531][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.044661][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.044820][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.044953][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.045078][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.047559][   T12] ------------[ cut here ]------------
| [   23.047687][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   23.047941][   T12] Modules linked in:
| [   23.048314][   T12] Tainted: [W]=WARN
[   23.048407][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.048567][   T12] Workqueue: netns cleanup_net
[   23.048701][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.048861][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.049307][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   23.049465][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90c80 RCX: 1ff4000000018eaf
[   23.049654][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe90d3c
[   23.049842][   T12] RBP: ff1100000fdd4000 R08: 1fe2200001fd21a9 R09: ff11000001aed1d0
[   23.050032][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   23.050214][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   23.050400][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.050622][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.050784][   T12] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.050972][   T12] PKRU: 55555554
[   23.051066][   T12] Call Trace:
[   23.051159][   T12]  <TASK>
[   23.051224][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.051347][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.051470][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.051567][   T12]  netif_close_many (net/core/dev.c:1804)
[   23.051698][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   23.051822][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.051979][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.052104][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   23.052228][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.052381][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.052502][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.052658][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.052787][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.052919][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.053054][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.053179][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.053308][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.053439][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.053566][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.053689][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.053818][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.053948][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.054073][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.054196][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.054318][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.054444][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.054573][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.054704][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.054833][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.054965][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.055093][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.055219][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.055344][   T12]  kthread (kernel/kthread.c:436)
[   23.055437][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.055593][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.055726][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.055853][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.056014][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.056138][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.056261][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.058430][   T12] ------------[ cut here ]------------
| [   23.058555][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   23.058792][   T12] Modules linked in:
| [   23.059174][   T12] Tainted: [W]=WARN
[   23.059264][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.059412][   T12] Workqueue: netns cleanup_net
[   23.059538][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.059699][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.060714][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   23.060865][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4aac0 RCX: 1ff4000000018ed5
[   23.061093][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4ab7c
[   23.061269][   T12] RBP: ff11000009d2c000 R08: 1fe22000003c9571 R09: ff11000001aed1d0
[   23.061446][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.061625][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.061807][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.062065][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.062215][   T12] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.062444][   T12] PKRU: 55555554
[   23.062536][   T12] Call Trace:
[   23.062624][   T12]  <TASK>
[   23.062694][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.062851][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.063050][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.063170][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.063297][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.063420][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.063544][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.063663][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.063786][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.063952][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.064069][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.064190][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.064309][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.064430][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.064552][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.064669][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.064791][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.064961][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.065081][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.065205][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.065324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.065447][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.065574][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.065697][   T12]  kthread (kernel/kthread.c:436)
[   23.065787][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.065983][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.066104][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.066224][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.066370][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.066494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.066616][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.070285][   T12] ------------[ cut here ]------------
| [   23.070422][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   23.070663][   T12] Modules linked in:
| [   23.071044][   T12] Tainted: [W]=WARN
[   23.071133][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.071282][   T12] Workqueue: netns cleanup_net
[   23.071408][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.071565][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.072000][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   23.072149][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4b000 RCX: 1ff4000000018ed5
[   23.072326][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4b0bc
[   23.072513][   T12] RBP: ff11000007919000 R08: 1fe22000003c9619 R09: ff11000001aed1d0
[   23.072697][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.072880][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.073058][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   23.073265][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.073416][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   23.073595][   T12] PKRU: 55555554
[   23.073684][   T12] Call Trace:
[   23.073778][   T12]  <TASK>
[   23.073842][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.073997][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.074147][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.074267][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.074391][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.074513][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.074634][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.074758][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.074881][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.075003][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.075121][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.075238][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.075356][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.075477][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.075597][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.075720][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.075840][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.075964][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.076085][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.076208][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.076327][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.076448][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.076573][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.076696][   T12]  kthread (kernel/kthread.c:436)
[   23.076786][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.076940][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.077059][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.077178][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.077325][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.077442][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.077565][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.085884][   T12] ------------[ cut here ]------------
| [   23.086008][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   23.086242][   T12] Modules linked in:
| [   23.086609][   T12] Tainted: [W]=WARN
[   23.086704][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.086851][   T12] Workqueue: netns cleanup_net
[   23.086980][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.087136][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.087564][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   23.087719][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4b700 RCX: 1ff4000000018ed5
[   23.087906][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4b7bc
[   23.088082][   T12] RBP: ff1100000f124000 R08: 1fe22000003c96f9 R09: ff11000001aed1d0
[   23.088264][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.088439][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.088622][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   23.088843][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.088995][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   23.089174][   T12] PKRU: 55555554
[   23.089262][   T12] Call Trace:
[   23.089351][   T12]  <TASK>
[   23.089414][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.089571][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.089728][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.089848][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.089975][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.090096][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.090216][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.090335][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.090456][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.090578][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.090702][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.090821][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.090945][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.091064][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.091182][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.091298][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.091419][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.091541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.091662][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.091788][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.091910][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.092033][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.092157][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.092279][   T12]  kthread (kernel/kthread.c:436)
[   23.092369][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.092523][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.092643][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.092770][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.092924][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.093041][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.093161][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.095513][   T12] ------------[ cut here ]------------
| [   23.095636][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   23.096690][   T12] Modules linked in:
| [   23.097057][   T12] Tainted: [W]=WARN
[   23.097146][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.097294][   T12] Workqueue: netns cleanup_net
[   23.097419][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.097577][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.098010][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   23.098161][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16a580 RCX: 1ff4000000018ed5
[   23.098338][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a63c
[   23.098515][   T12] RBP: ff11000008c11000 R08: 1fe220000142d4c9 R09: ff11000001aed1d0
[   23.098698][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.098879][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.099058][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   23.099266][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.099415][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   23.099596][   T12] PKRU: 55555554
[   23.099685][   T12] Call Trace:
[   23.099778][   T12]  <TASK>
[   23.099842][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.099996][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.100145][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.100264][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.100386][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.100507][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.100629][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.100755][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.100880][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.101001][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.101121][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.101239][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.101362][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.101481][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.101605][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.101730][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.101853][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.101982][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.102102][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.102224][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.102342][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.102463][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.102591][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.102713][   T12]  kthread (kernel/kthread.c:436)
[   23.102804][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.102955][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.103075][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.103194][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.103342][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.103464][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.103588][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.105961][   T12] ------------[ cut here ]------------
| [   23.106080][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   23.106316][   T12] Modules linked in:
| [   23.106680][   T12] Tainted: [W]=WARN
[   23.106775][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.107425][   T12] Workqueue: netns cleanup_net
[   23.107551][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.107709][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.108193][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   23.108344][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636580 RCX: 1ff4000000018ed5
[   23.108525][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63663c
[   23.108704][   T12] RBP: ff1100000fff1000 R08: 1fe2200001ac6cc9 R09: ff11000001aed1d0
[   23.108931][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.109108][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.109288][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   23.109495][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.109648][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   23.109833][   T12] PKRU: 55555554
[   23.109968][   T12] Call Trace:
[   23.110059][   T12]  <TASK>
[   23.110121][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.110271][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.110419][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.110543][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.110670][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.110797][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.110966][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.111089][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.111210][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.111331][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.111451][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.111572][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.111698][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.111818][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.111986][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.112104][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.112234][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.112350][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.112472][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.112597][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.112726][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.112855][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.113026][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.113145][   T12]  kthread (kernel/kthread.c:436)
[   23.113234][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.113382][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.113502][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.113626][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.113783][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.113951][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.114071][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.121661][   T12] ------------[ cut here ]------------
| [   23.121802][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   23.122049][   T12] Modules linked in:
| [   23.122416][   T12] Tainted: [W]=WARN
[   23.122507][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.122658][   T12] Workqueue: netns cleanup_net
[   23.122790][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.122953][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.123385][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   23.123539][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637c40 RCX: 1ff4000000018ed5
[   23.123724][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637cfc
[   23.123907][   T12] RBP: ff1100000fdd4000 R08: 1fe2200001ac6fa1 R09: ff11000001aed1d0
[   23.124087][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.124266][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.124447][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   23.124661][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.124819][   T12] CR2: 00007ff78960bc70 CR3: 000000001029e003 CR4: 0000000000771ef0
[   23.125008][   T12] PKRU: 55555554
[   23.125097][   T12] Call Trace:
[   23.125186][   T12]  <TASK>
[   23.125254][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.125408][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.125560][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.125681][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.125813][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.126033][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.126155][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.126275][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.126396][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.126519][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.126643][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.126770][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.126988][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.127217][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.127340][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.127460][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.127584][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.127707][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.127828][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.128044][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.128167][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.128292][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.128417][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.128540][   T12]  kthread (kernel/kthread.c:436)
[   23.128631][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.128782][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.128997][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.129117][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.129268][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.129391][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.129514][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.141353][  T508] ------------[ cut here ]------------
| [   23.141498][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/508
| [   23.141740][  T508] Modules linked in:
| [   23.142118][  T508] Tainted: [W]=WARN
[   23.142218][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.142383][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.142556][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.143036][  T508] RSP: 0018:ffa0000001817a80 EFLAGS: 00010286
[   23.143203][  T508] RAX: 00000000ffffffa6 RBX: ff1100000f1b6040 RCX: 1ff4000000302f16
[   23.143398][  T508] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b60fc
[   23.143596][  T508] RBP: ff110000108b1000 R08: 1fe2200001e36c21 R09: ff110000124aae80
[   23.143800][  T508] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.144003][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000108b1000
[   23.144204][  T508] FS:  00007ff789216840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.144438][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.144607][  T508] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.144808][  T508] PKRU: 55555554
[   23.144912][  T508] Call Trace:
[   23.145011][  T508]  <TASK>
[   23.145079][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.145211][  T508]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.145344][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.145445][  T508]  register_netdevice (net/core/dev.c:11488)
[   23.145583][  T508]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.145753][  T508]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.145893][  T508]  register_netdev (net/core/dev.c:11552)
[   23.146023][  T508]  loopback_net_init (drivers/net/loopback.c:218)
[   23.146156][  T508]  ops_init (net/core/net_namespace.c:137)
[   23.146258][  T508]  setup_net (net/core/net_namespace.c:446)
[   23.146359][  T508]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.146491][  T508]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.146626][  T508]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.146764][  T508]  copy_net_ns (net/core/net_namespace.c:579)
[   23.146903][  T508]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.147038][  T508]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.147169][  T508]  ksys_unshare (kernel/fork.c:3243)
[   23.147302][  T508]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.147435][  T508]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.147569][  T508]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.147707][  T508]  ? __ia32_sys_open (fs/open.c:1374)
[   23.147840][  T508]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.147977][  T508]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.148110][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.148243][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.148377][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.148510][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.148673][  T508] RIP: 0033:0x7ff7894d8bcb
[   23.148817][  T508] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.149291][  T508] RSP: 002b:00007ffeb89fc898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.149492][  T508] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7894d8bcb
[   23.149697][  T508] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.149901][  T508] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.150097][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb89feac0
[   23.150296][  T508] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb89ff847
| [   23.154567][  T508] ------------[ cut here ]------------
| [   23.154705][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/508
| [   23.154940][  T508] Modules linked in:
| [   23.155304][  T508] Tainted: [W]=WARN
[   23.155402][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.155570][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.155744][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.156208][  T508] RSP: 0018:ffa0000001817918 EFLAGS: 00010286
[   23.156371][  T508] RAX: 00000000ffffffa6 RBX: ff11000004d83540 RCX: 1ff4000000302ee9
[   23.156571][  T508] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d835fc
[   23.156770][  T508] RBP: ff11000001ecc000 R08: 1fe22000009b06c1 R09: ff110000124aae80
[   23.156970][  T508] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.157164][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001ecc000
[   23.157360][  T508] FS:  00007ff789216840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.157591][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.157759][  T508] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.157959][  T508] PKRU: 55555554
[   23.158056][  T508] Call Trace:
[   23.158154][  T508]  <TASK>
[   23.158224][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.158355][  T508]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.158485][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.158586][  T508]  register_netdevice (net/core/dev.c:11488)
[   23.158724][  T508]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.158895][  T508]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.159028][  T508]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.159160][  T508]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.159290][  T508]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.159421][  T508]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.159555][  T508]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.159687][  T508]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   23.159824][  T508]  ops_init (net/core/net_namespace.c:137)
[   23.159930][  T508]  setup_net (net/core/net_namespace.c:446)
[   23.160029][  T508]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.160160][  T508]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.160290][  T508]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.160421][  T508]  copy_net_ns (net/core/net_namespace.c:579)
[   23.160555][  T508]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.160689][  T508]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.160826][  T508]  ksys_unshare (kernel/fork.c:3243)
[   23.160961][  T508]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.161093][  T508]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.161225][  T508]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.161355][  T508]  ? __ia32_sys_open (fs/open.c:1374)
[   23.161488][  T508]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.161621][  T508]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.161759][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.161896][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.162028][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.162157][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.162317][  T508] RIP: 0033:0x7ff7894d8bcb
[   23.162450][  T508] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.162922][  T508] RSP: 002b:00007ffeb89fc898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.163118][  T508] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7894d8bcb
[   23.163312][  T508] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.163507][  T508] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.163706][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb89feac0
[   23.163905][  T508] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb89ff847
| [   23.169001][  T508] ------------[ cut here ]------------
| [   23.169139][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/508
| [   23.169370][  T508] Modules linked in:
| [   23.169746][  T508] Tainted: [W]=WARN
[   23.169844][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.170016][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.170189][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.170659][  T508] RSP: 0018:ffa00000018178f8 EFLAGS: 00010286
[   23.170832][  T508] RAX: 00000000ffffffa6 RBX: ff11000004d82580 RCX: 1ff4000000302ee5
[   23.171035][  T508] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d8263c
[   23.171230][  T508] RBP: ff1100000b4d4000 R08: 1fe22000009b04c9 R09: ff110000124aae80
[   23.171426][  T508] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.171625][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4d4000
[   23.171831][  T508] FS:  00007ff789216840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.172124][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.172289][  T508] CR2: 00007ff78958f493 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.172487][  T508] PKRU: 55555554
[   23.172587][  T508] Call Trace:
[   23.172685][  T508]  <TASK>
[   23.172762][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.172951][  T508]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.173083][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.173185][  T508]  register_netdevice (net/core/dev.c:11488)
[   23.173319][  T508]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.173483][  T508]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.173619][  T508]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.173758][  T508]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.173945][  T508]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.174079][  T508]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.174211][  T508]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.174399][  T508]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   23.174535][  T508]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.174671][  T508]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.174806][  T508]  ops_init (net/core/net_namespace.c:137)
[   23.174965][  T508]  setup_net (net/core/net_namespace.c:446)
[   23.175066][  T508]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.175197][  T508]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.175328][  T508]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.175462][  T508]  copy_net_ns (net/core/net_namespace.c:579)
[   23.175599][  T508]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.175737][  T508]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.175927][  T508]  ksys_unshare (kernel/fork.c:3243)
[   23.176059][  T508]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.176190][  T508]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.176322][  T508]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.176455][  T508]  ? __ia32_sys_open (fs/open.c:1374)
[   23.176590][  T508]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.176726][  T508]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.176862][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.177051][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.177184][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.177317][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.177479][  T508] RIP: 0033:0x7ff7894d8bcb
[   23.177620][  T508] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.178152][  T508] RSP: 002b:00007ffeb89fc898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.178349][  T508] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7894d8bcb
[   23.178547][  T508] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.178749][  T508] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.178998][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb89feac0
[   23.179194][  T508] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb89ff847
| [   23.183567][  T508] ------------[ cut here ]------------
| [   23.183750][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/508
| [   23.184044][  T508] Modules linked in:
| [   23.184501][  T508] Tainted: [W]=WARN
[   23.184652][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.184883][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.185107][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.185623][  T508] RSP: 0018:ffa0000001817a78 EFLAGS: 00010286
[   23.185840][  T508] RAX: 00000000ffffffa6 RBX: ff1100000c6c38c0 RCX: 1ff4000000302f15
[   23.186095][  T508] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6c397c
[   23.186334][  T508] RBP: ff11000010921000 R08: 1fe22000018d8731 R09: ff110000124aae80
[   23.186586][  T508] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.186833][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010921000
[   23.187086][  T508] FS:  00007ff789216840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   23.187359][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.187577][  T508] CR2: 00007f584d456000 CR3: 000000001029e005 CR4: 0000000000771ef0
[   23.187831][  T508] PKRU: 55555554
[   23.187985][  T508] Call Trace:
[   23.188130][  T508]  <TASK>
[   23.188243][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.188455][  T508]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.188640][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.188794][  T508]  register_netdevice (net/core/dev.c:11488)
[   23.188988][  T508]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.189196][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.189375][  T508]  register_netdev (net/core/dev.c:11552)
[   23.189558][  T508]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.189748][  T508]  ops_init (net/core/net_namespace.c:137)
[   23.189911][  T508]  setup_net (net/core/net_namespace.c:446)
[   23.190058][  T508]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.190233][  T508]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.190412][  T508]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.190598][  T508]  copy_net_ns (net/core/net_namespace.c:579)
[   23.190785][  T508]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.190979][  T508]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.191155][  T508]  ksys_unshare (kernel/fork.c:3243)
[   23.191331][  T508]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.191513][  T508]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.191703][  T508]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.191895][  T508]  ? __ia32_sys_open (fs/open.c:1374)
[   23.192074][  T508]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.192249][  T508]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.192426][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.192610][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.192797][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.192994][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.193203][  T508] RIP: 0033:0x7ff7894d8bcb
[   23.193385][  T508] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.193911][  T508] RSP: 002b:00007ffeb89fc898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.194168][  T508] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7894d8bcb
[   23.194404][  T508] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.194650][  T508] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.194911][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb89feac0
[   23.195155][  T508] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb89ff847
| [   23.206144][  T508] ------------[ cut here ]------------
| [   23.206284][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/508
| [   23.206514][  T508] Modules linked in:
| [   23.206896][  T508] Tainted: [W]=WARN
[   23.206996][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.207159][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.207328][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.207801][  T508] RSP: 0018:ffa0000001817a68 EFLAGS: 00010286
[   23.207973][  T508] RAX: 00000000ffffffa6 RBX: ff1100000d637380 RCX: 1ff4000000302f13
[   23.208168][  T508] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63743c
[   23.208365][  T508] RBP: ff1100000a394000 R08: 1fe2200001ac6e89 R09: ff110000124aae80
[   23.208563][  T508] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.208764][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a394000
[   23.208966][  T508] FS:  00007ff789216840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   23.209193][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.209357][  T508] CR2: 000055dfefec9870 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.209554][  T508] PKRU: 55555554
[   23.209651][  T508] Call Trace:
[   23.209754][  T508]  <TASK>
[   23.209821][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.209957][  T508]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.210088][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.210187][  T508]  register_netdevice (net/core/dev.c:11488)
[   23.210320][  T508]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.210486][  T508]  register_netdev (net/core/dev.c:11552)
[   23.210617][  T508]  sit_init_net (net/ipv6/sit.c:1860)
[   23.210755][  T508]  ops_init (net/core/net_namespace.c:137)
[   23.210855][  T508]  setup_net (net/core/net_namespace.c:446)
[   23.210959][  T508]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.211087][  T508]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.211217][  T508]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.211348][  T508]  copy_net_ns (net/core/net_namespace.c:579)
[   23.211480][  T508]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.211615][  T508]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.211751][  T508]  ksys_unshare (kernel/fork.c:3243)
[   23.211884][  T508]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.212014][  T508]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.212145][  T508]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.212276][  T508]  ? __ia32_sys_open (fs/open.c:1374)
[   23.212409][  T508]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.212542][  T508]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.212672][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.212806][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.212941][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.213071][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.213231][  T508] RIP: 0033:0x7ff7894d8bcb
[   23.213366][  T508] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.213838][  T508] RSP: 002b:00007ffeb89fc898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.214039][  T508] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7894d8bcb
[   23.214231][  T508] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.214423][  T508] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.214617][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb89feac0
[   23.214817][  T508] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb89ff847
| [   23.219490][  T508] ------------[ cut here ]------------
| [   23.219631][  T508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/508
| [   23.219863][  T508] Modules linked in:
| [   23.220236][  T508] Tainted: [W]=WARN
[   23.220334][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.220496][  T508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.220670][  T508] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.221139][  T508] RSP: 0018:ffa0000001817a78 EFLAGS: 00010286
[   23.221305][  T508] RAX: 00000000ffffffa6 RBX: ff1100000d52eac0 RCX: 1ff4000000302f15
[   23.221501][  T508] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52eb7c
[   23.221704][  T508] RBP: ff110000089c9000 R08: 1fe2200001aa5d71 R09: ff110000124aae80
[   23.221906][  T508] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.222101][  T508] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089c9000
[   23.222295][  T508] FS:  00007ff789216840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   23.222529][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.222698][  T508] CR2: 000055dfefec9870 CR3: 000000001029e006 CR4: 0000000000771ef0
[   23.222901][  T508] PKRU: 55555554
[   23.222999][  T508] Call Trace:
[   23.223095][  T508]  <TASK>
[   23.223162][  T508]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.223296][  T508]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.223426][  T508]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.223529][  T508]  register_netdevice (net/core/dev.c:11488)
[   23.223661][  T508]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.223829][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.223970][  T508]  register_netdev (net/core/dev.c:11552)
[   23.224102][  T508]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.224234][  T508]  ops_init (net/core/net_namespace.c:137)
[   23.224333][  T508]  setup_net (net/core/net_namespace.c:446)
[   23.224432][  T508]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.224566][  T508]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.224703][  T508]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.224836][  T508]  copy_net_ns (net/core/net_namespace.c:579)
[   23.224972][  T508]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.225108][  T508]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.225240][  T508]  ksys_unshare (kernel/fork.c:3243)
[   23.225370][  T508]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.225500][  T508]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.225634][  T508]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.225769][  T508]  ? __ia32_sys_open (fs/open.c:1374)
[   23.225907][  T508]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.226038][  T508]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.226169][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.226298][  T508]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.226430][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.226564][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.226730][  T508] RIP: 0033:0x7ff7894d8bcb
[   23.226865][  T508] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.227332][  T508] RSP: 002b:00007ffeb89fc898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.227531][  T508] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7894d8bcb
[   23.227731][  T508] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.227930][  T508] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.228122][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb89feac0
[   23.228315][  T508] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb89ff847
| [   23.259685][  T509] ------------[ cut here ]------------
| [   23.260069][  T509] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/509
| [   23.260341][  T509] Modules linked in:
| [   23.260811][  T509] Tainted: [W]=WARN
[   23.260969][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.261179][  T509] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.261396][  T509] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.261930][  T509] RSP: 0018:ffa0000001827020 EFLAGS: 00010286
[   23.262146][  T509] RAX: 00000000ffffffa6 RBX: ff1100000dc26c80 RCX: 1ff4000000304dca
[   23.262384][  T509] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc26d3c
[   23.262626][  T509] RBP: ff110000108b1000 R08: 1fe2200001b84da9 R09: ff110000124ad158
[   23.262885][  T509] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   23.263127][  T509] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.263369][  T509] FS:  00007f69ab3b0840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   23.263649][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.263890][  T509] CR2: 00007f69ab6801a0 CR3: 000000000e6cb002 CR4: 0000000000771ef0
[   23.264136][  T509] PKRU: 55555554
[   23.264280][  T509] Call Trace:
[   23.264424][  T509]  <TASK>
[   23.264544][  T509]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.264730][  T509]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.264891][  T509]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.265069][  T509]  __dev_notify_flags (net/core/dev.c:9787)
[   23.265250][  T509]  ? netif_change_name (net/core/dev.c:1495)
[   23.265426][  T509]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.265613][  T509]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.265798][  T509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.265989][  T509]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   23.266169][  T509]  netif_change_flags (net/core/dev.c:9820)
[   23.266347][  T509]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.266526][  T509]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.266716][  T509]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.266907][  T509]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.267117][  T509]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.267292][  T509]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.267470][  T509]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.267652][  T509]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.267838][  T509]  ? __kernel_text_address (kernel/extable.c:79)
[   23.268027][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.268206][  T509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.268380][  T509]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.268565][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.268748][  T509]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.268938][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.269116][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.269292][  T509]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.269468][  T509]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   23.269651][  T509]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.269838][  T509]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.270029][  T509]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.270209][  T509]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.270388][  T509]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.270574][  T509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.270757][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.270947][  T509]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.271122][  T509]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.271297][  T509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.271475][  T509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.271654][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.271841][  T509]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.272031][  T509]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.272209][  T509]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.272384][  T509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.272568][  T509]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.272752][  T509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.272940][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.273119][  T509]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.273295][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.273472][  T509]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.273653][  T509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.273836][  T509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.274026][  T509]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.274201][  T509]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.274379][  T509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.274564][  T509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.274750][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.274940][  T509]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.275118][  T509]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.275295][  T509]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.275475][  T509]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.275658][  T509]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.275838][  T509]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.276058][  T509]  ? move_addr_to_kernel (net/socket.c:258)
[   23.276236][  T509]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.276412][  T509]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.276597][  T509]  ___sys_sendmsg (net/socket.c:2752)
[   23.276782][  T509]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.277007][  T509]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.277195][  T509]  __sys_sendmsg (net/socket.c:2784)
[   23.277371][  T509]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.277552][  T509]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.277772][  T509]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.277961][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.278139][  T509]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.278315][  T509]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.278490][  T509]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.278673][  T509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.278899][  T509] RIP: 0033:0x7f69ab5ea08e
[   23.279080][  T509] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.279590][  T509] RSP: 002b:00007ffe98f71ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.279834][  T509] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69ab5ea08e
[   23.280083][  T509] RDX: 0000000000000000 RSI: 00007ffe98f71d90 RDI: 0000000000000005
[   23.280324][  T509] RBP: 00007ffe98f71cf0 R08: 0000000000000000 R09: 0000000000000000
[   23.280568][  T509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd03
[   23.280814][  T509] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe98f72460
| [   23.474328][  T517] ------------[ cut here ]------------
| [   23.474483][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/517
| [   23.474722][  T517] Modules linked in:
| [   23.475102][  T517] Tainted: [W]=WARN
[   23.475201][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.475363][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.475536][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.476010][  T517] RSP: 0018:ffa0000001847a80 EFLAGS: 00010286
[   23.476176][  T517] RAX: 00000000ffffffa6 RBX: ff1100000dc26580 RCX: 1ff4000000308f16
[   23.476369][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2663c
[   23.476567][  T517] RBP: ff11000009b19000 R08: 1fe2200001b84cc9 R09: ff11000010132e80
[   23.476766][  T517] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.476964][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b19000
[   23.477160][  T517] FS:  00007fb1603fc840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   23.477392][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.477559][  T517] CR2: 00007fb1605fdc20 CR3: 000000001029e004 CR4: 0000000000771ef0
[   23.477761][  T517] PKRU: 55555554
[   23.477859][  T517] Call Trace:
[   23.477961][  T517]  <TASK>
[   23.478031][  T517]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.478163][  T517]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.478295][  T517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.478394][  T517]  register_netdevice (net/core/dev.c:11488)
[   23.478529][  T517]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.478697][  T517]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.478831][  T517]  register_netdev (net/core/dev.c:11552)
[   23.478966][  T517]  loopback_net_init (drivers/net/loopback.c:218)
[   23.479097][  T517]  ops_init (net/core/net_namespace.c:137)
[   23.479198][  T517]  setup_net (net/core/net_namespace.c:446)
[   23.479296][  T517]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.479426][  T517]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.479562][  T517]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.479702][  T517]  copy_net_ns (net/core/net_namespace.c:579)
[   23.479834][  T517]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.480140][  T517]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.480272][  T517]  ksys_unshare (kernel/fork.c:3243)
[   23.480403][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.480538][  T517]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.480668][  T517]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.480801][  T517]  ? __ia32_sys_open (fs/open.c:1374)
[   23.480937][  T517]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.481067][  T517]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.481195][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.481324][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.481453][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.481584][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.481750][  T517] RIP: 0033:0x7fb1606bebcb
[   23.481892][  T517] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.482351][  T517] RSP: 002b:00007ffd1343df38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.482548][  T517] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb1606bebcb
[   23.482745][  T517] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.482943][  T517] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.483135][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd13440160
[   23.483327][  T517] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd13441847
| [   23.487514][  T517] ------------[ cut here ]------------
| [   23.487644][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/517
| [   23.487879][  T517] Modules linked in:
| [   23.488242][  T517] Tainted: [W]=WARN
[   23.488341][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.488500][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.488672][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.489139][  T517] RSP: 0018:ffa0000001847918 EFLAGS: 00010286
[   23.489301][  T517] RAX: 00000000ffffffa6 RBX: ff1100000a9a6900 RCX: 1ff4000000308ee9
[   23.489494][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a69bc
[   23.489689][  T517] RBP: ff11000010191000 R08: 1fe2200001534d39 R09: ff11000010132e80
[   23.489891][  T517] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.490083][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010191000
[   23.490279][  T517] FS:  00007fb1603fc840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   23.490508][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.490674][  T517] CR2: 00007fb1605fdc20 CR3: 000000001029e004 CR4: 0000000000771ef0
[   23.490878][  T517] PKRU: 55555554
[   23.490975][  T517] Call Trace:
[   23.491072][  T517]  <TASK>
[   23.491140][  T517]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.491269][  T517]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.491399][  T517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.491500][  T517]  register_netdevice (net/core/dev.c:11488)
[   23.491634][  T517]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.491801][  T517]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.491938][  T517]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.492069][  T517]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.492199][  T517]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.492329][  T517]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.492458][  T517]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.492592][  T517]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   23.492729][  T517]  ops_init (net/core/net_namespace.c:137)
[   23.492828][  T517]  setup_net (net/core/net_namespace.c:446)
[   23.492931][  T517]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.493060][  T517]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.493189][  T517]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.493321][  T517]  copy_net_ns (net/core/net_namespace.c:579)
[   23.493454][  T517]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.493587][  T517]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.493723][  T517]  ksys_unshare (kernel/fork.c:3243)
[   23.493852][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.493986][  T517]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.494116][  T517]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.494246][  T517]  ? __ia32_sys_open (fs/open.c:1374)
[   23.494379][  T517]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.494511][  T517]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.494641][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.494774][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.494907][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.495036][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.495196][  T517] RIP: 0033:0x7fb1606bebcb
[   23.495328][  T517] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.495794][  T517] RSP: 002b:00007ffd1343df38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.496004][  T517] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb1606bebcb
[   23.496200][  T517] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.496391][  T517] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.496583][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd13440160
[   23.496780][  T517] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd13441847
| [   23.501177][  T517] ------------[ cut here ]------------
| [   23.501312][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/517
| [   23.501541][  T517] Modules linked in:
| [   23.501916][  T517] Tainted: [W]=WARN
[   23.502016][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.502181][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.502351][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.502826][  T517] RSP: 0018:ffa00000018478f8 EFLAGS: 00010286
[   23.502996][  T517] RAX: 00000000ffffffa6 RBX: ff1100000b962e40 RCX: 1ff4000000308ee5
[   23.503191][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962efc
[   23.503386][  T517] RBP: ff1100001248c000 R08: 1fe220000172c5e1 R09: ff11000010132e80
[   23.503583][  T517] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.503787][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001248c000
[   23.503989][  T517] FS:  00007fb1603fc840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   23.504216][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.504381][  T517] CR2: 00007fb1605fdc20 CR3: 000000001029e004 CR4: 0000000000771ef0
[   23.504581][  T517] PKRU: 55555554
[   23.504679][  T517] Call Trace:
[   23.504783][  T517]  <TASK>
[   23.504850][  T517]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.504986][  T517]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.505117][  T517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.505218][  T517]  register_netdevice (net/core/dev.c:11488)
[   23.505351][  T517]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.505517][  T517]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.505650][  T517]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.505786][  T517]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.505922][  T517]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.506053][  T517]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.506186][  T517]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.506320][  T517]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   23.506452][  T517]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.506586][  T517]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.506724][  T517]  ops_init (net/core/net_namespace.c:137)
[   23.506824][  T517]  setup_net (net/core/net_namespace.c:446)
[   23.506927][  T517]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.507057][  T517]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.507188][  T517]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.507321][  T517]  copy_net_ns (net/core/net_namespace.c:579)
[   23.507451][  T517]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.507586][  T517]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.507722][  T517]  ksys_unshare (kernel/fork.c:3243)
[   23.507852][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.508479][  T517]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.508616][  T517]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.508751][  T517]  ? __ia32_sys_open (fs/open.c:1374)
[   23.508935][  T517]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.509065][  T517]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.509195][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.509324][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.509454][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.509586][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.509754][  T517] RIP: 0033:0x7fb1606bebcb
[   23.509948][  T517] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.510409][  T517] RSP: 002b:00007ffd1343df38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.510666][  T517] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb1606bebcb
[   23.510865][  T517] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.511114][  T517] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.511309][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd13440160
[   23.511505][  T517] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd13441847
| [   23.516622][  T517] ------------[ cut here ]------------
| [   23.516805][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/517
| [   23.517096][  T517] Modules linked in:
| [   23.517554][  T517] Tainted: [W]=WARN
[   23.517704][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.517932][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.518148][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.518656][  T517] RSP: 0018:ffa0000001847a78 EFLAGS: 00010286
[   23.518883][  T517] RAX: 00000000ffffffa6 RBX: ff1100000ba9d540 RCX: 1ff4000000308f15
[   23.519126][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba9d5fc
[   23.519365][  T517] RBP: ff11000007fc1000 R08: 1fe2200001753ac1 R09: ff11000010132e80
[   23.519613][  T517] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.519862][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007fc1000
[   23.520121][  T517] FS:  00007fb1603fc840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   23.520393][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.520611][  T517] CR2: 000055dfdb5e2d5c CR3: 000000001029e004 CR4: 0000000000771ef0
[   23.520860][  T517] PKRU: 55555554
[   23.521018][  T517] Call Trace:
[   23.521162][  T517]  <TASK>
[   23.521278][  T517]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.521454][  T517]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.521639][  T517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.521794][  T517]  register_netdevice (net/core/dev.c:11488)
[   23.521984][  T517]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.522190][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.522369][  T517]  register_netdev (net/core/dev.c:11552)
[   23.522555][  T517]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.522741][  T517]  ops_init (net/core/net_namespace.c:137)
[   23.522900][  T517]  setup_net (net/core/net_namespace.c:446)
[   23.523046][  T517]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.523220][  T517]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.523399][  T517]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.523587][  T517]  copy_net_ns (net/core/net_namespace.c:579)
[   23.523774][  T517]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.523966][  T517]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.524144][  T517]  ksys_unshare (kernel/fork.c:3243)
[   23.524319][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.524493][  T517]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.524677][  T517]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.524863][  T517]  ? __ia32_sys_open (fs/open.c:1374)
[   23.525058][  T517]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.525233][  T517]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.525409][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.525591][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.525771][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.525962][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.526167][  T517] RIP: 0033:0x7fb1606bebcb
[   23.526347][  T517] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.526878][  T517] RSP: 002b:00007ffd1343df38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.527118][  T517] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb1606bebcb
[   23.527354][  T517] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.527602][  T517] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.527847][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd13440160
[   23.528097][  T517] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd13441847
| [   23.532668][  T517] ------------[ cut here ]------------
| [   23.532847][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/517
| [   23.533133][  T517] Modules linked in:
| [   23.533597][  T517] Tainted: [W]=WARN
[   23.533753][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.533977][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.534191][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.534713][  T517] RSP: 0018:ffa0000001847a68 EFLAGS: 00010286
[   23.534936][  T517] RAX: 00000000ffffffa6 RBX: ff1100000bbe2c80 RCX: 1ff4000000308f13
[   23.535173][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe2d3c
[   23.535410][  T517] RBP: ff11000008319000 R08: 1fe220000177c5a9 R09: ff11000010132e80
[   23.535658][  T517] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.535916][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008319000
[   23.536159][  T517] FS:  00007fb1603fc840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   23.536433][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.536653][  T517] CR2: 000055dfdb5e2d5c CR3: 000000001029e004 CR4: 0000000000771ef0
[   23.536915][  T517] PKRU: 55555554
[   23.537058][  T517] Call Trace:
[   23.537201][  T517]  <TASK>
[   23.537314][  T517]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.537491][  T517]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.537675][  T517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.537832][  T517]  register_netdevice (net/core/dev.c:11488)
[   23.538022][  T517]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.538231][  T517]  register_netdev (net/core/dev.c:11552)
[   23.538408][  T517]  sit_init_net (net/ipv6/sit.c:1860)
[   23.538595][  T517]  ops_init (net/core/net_namespace.c:137)
[   23.538748][  T517]  setup_net (net/core/net_namespace.c:446)
[   23.538906][  T517]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.539081][  T517]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.539259][  T517]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.539437][  T517]  copy_net_ns (net/core/net_namespace.c:579)
[   23.539622][  T517]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.539806][  T517]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.539996][  T517]  ksys_unshare (kernel/fork.c:3243)
[   23.540171][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.540350][  T517]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.540530][  T517]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.540718][  T517]  ? __ia32_sys_open (fs/open.c:1374)
[   23.540909][  T517]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.541084][  T517]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.541261][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.541437][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.541620][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.541807][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.542026][  T517] RIP: 0033:0x7fb1606bebcb
[   23.542206][  T517] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.542726][  T517] RSP: 002b:00007ffd1343df38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.542982][  T517] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb1606bebcb
[   23.543221][  T517] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.543460][  T517] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.543714][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd13440160
[   23.543970][  T517] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd13441847
| [   23.549075][  T517] ------------[ cut here ]------------
| [   23.549249][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/517
| [   23.549527][  T517] Modules linked in:
| [   23.550003][  T517] Tainted: [W]=WARN
[   23.550148][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.550355][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.550584][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.551106][  T517] RSP: 0018:ffa0000001847a78 EFLAGS: 00010286
[   23.551318][  T517] RAX: 00000000ffffffa6 RBX: ff11000010a971c0 RCX: 1ff4000000308f15
[   23.551566][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a9727c
[   23.551814][  T517] RBP: ff110000101c4000 R08: 1fe2200002152e51 R09: ff11000010132e80
[   23.552066][  T517] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.552304][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101c4000
[   23.552553][  T517] FS:  00007fb1603fc840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   23.552837][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.553059][  T517] CR2: 000055dfdb5e2d5c CR3: 000000001029e004 CR4: 0000000000771ef0
[   23.553301][  T517] PKRU: 55555554
[   23.553444][  T517] Call Trace:
[   23.553593][  T517]  <TASK>
[   23.553714][  T517]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.553908][  T517]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.554085][  T517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.554231][  T517]  register_netdevice (net/core/dev.c:11488)
[   23.554408][  T517]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.554623][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.554808][  T517]  register_netdev (net/core/dev.c:11552)
[   23.555000][  T517]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.555181][  T517]  ops_init (net/core/net_namespace.c:137)
[   23.555327][  T517]  setup_net (net/core/net_namespace.c:446)
[   23.555473][  T517]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.555654][  T517]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.555841][  T517]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.556033][  T517]  copy_net_ns (net/core/net_namespace.c:579)
[   23.556212][  T517]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.556395][  T517]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.556582][  T517]  ksys_unshare (kernel/fork.c:3243)
[   23.556768][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.556956][  T517]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.557133][  T517]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.557310][  T517]  ? __ia32_sys_open (fs/open.c:1374)
[   23.557490][  T517]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.557676][  T517]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.557859][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.558050][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.558227][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.558404][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.558618][  T517] RIP: 0033:0x7fb1606bebcb
[   23.558808][  T517] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.559329][  T517] RSP: 002b:00007ffd1343df38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.559579][  T517] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb1606bebcb
[   23.559826][  T517] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.560081][  T517] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.560321][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd13440160
[   23.560568][  T517] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd13441847
| [   23.593563][  T518] ------------[ cut here ]------------
| [   23.593710][  T518] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/518
| [   23.594499][  T518] Modules linked in:
| [   23.594880][  T518] Tainted: [W]=WARN
[   23.594979][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.595142][  T518] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.595311][  T518] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.595782][  T518] RSP: 0018:ffa0000001847020 EFLAGS: 00010286
[   23.595953][  T518] RAX: 00000000ffffffa6 RBX: ff110000101a8c80 RCX: 1ff4000000308dca
[   23.596149][  T518] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101a8d3c
[   23.596342][  T518] RBP: ff11000009b19000 R08: 1fe22000020351a9 R09: ff11000010130b58
[   23.596540][  T518] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.596739][  T518] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.596941][  T518] FS:  00007f07286b2840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.597170][  T518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.597332][  T518] CR2: 00007f07289821a0 CR3: 000000000b922005 CR4: 0000000000771ef0
[   23.597531][  T518] PKRU: 55555554
[   23.597630][  T518] Call Trace:
[   23.597732][  T518]  <TASK>
[   23.597799][  T518]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.597939][  T518]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.598038][  T518]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.598167][  T518]  __dev_notify_flags (net/core/dev.c:9787)
[   23.598298][  T518]  ? netif_change_name (net/core/dev.c:1495)
[   23.598428][  T518]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.598561][  T518]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.598691][  T518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.598827][  T518]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   23.598964][  T518]  netif_change_flags (net/core/dev.c:9820)
[   23.599095][  T518]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.599226][  T518]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.599358][  T518]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.599489][  T518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.599658][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.599795][  T518]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.599930][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.600059][  T518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.600190][  T518]  ? __kernel_text_address (kernel/extable.c:79)
[   23.600321][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.600452][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.600584][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.600721][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.600851][  T518]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.600986][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.601115][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.601245][  T518]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.601376][  T518]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   23.601508][  T518]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.601644][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.601781][  T518]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.601918][  T518]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.602050][  T518]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.602181][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.602310][  T518]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.602439][  T518]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.602572][  T518]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.602708][  T518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.602840][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.602974][  T518]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.603104][  T518]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.603235][  T518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.603366][  T518]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.603496][  T518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.603631][  T518]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.603766][  T518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.603901][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.604033][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.604162][  T518]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.604292][  T518]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.604423][  T518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.604554][  T518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.604690][  T518]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.604825][  T518]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.604962][  T518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.605094][  T518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.605224][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.605356][  T518]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.605488][  T518]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.605622][  T518]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.605763][  T518]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.605900][  T518]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.606030][  T518]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.606192][  T518]  ? move_addr_to_kernel (net/socket.c:258)
[   23.606324][  T518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.606455][  T518]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.606588][  T518]  ___sys_sendmsg (net/socket.c:2752)
[   23.606726][  T518]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.606894][  T518]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.607037][  T518]  __sys_sendmsg (net/socket.c:2784)
[   23.607168][  T518]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.607298][  T518]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.607462][  T518]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.607597][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.607734][  T518]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.607865][  T518]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.608000][  T518]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.608130][  T518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.608291][  T518] RIP: 0033:0x7f07288ec08e
[   23.608428][  T518] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.608907][  T518] RSP: 002b:00007ffde9cbe3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.609104][  T518] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f07288ec08e
[   23.609296][  T518] RDX: 0000000000000000 RSI: 00007ffde9cbe470 RDI: 0000000000000005
[   23.609491][  T518] RBP: 00007ffde9cbe3d0 R08: 0000000000000000 R09: 0000000000000000
[   23.609690][  T518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd03
[   23.609893][  T518] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde9cbeb40
| [   23.814644][  T526] ------------[ cut here ]------------
| [   23.814842][  T526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/526
| [   23.815567][  T526] Modules linked in:
| [   23.816050][  T526] Tainted: [W]=WARN
[   23.816194][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.816401][  T526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.816626][  T526] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.817147][  T526] RSP: 0018:ffa00000018c7a80 EFLAGS: 00010286
[   23.817357][  T526] RAX: 00000000ffffffa6 RBX: ff1100000bbe3c40 RCX: 1ff4000000318f16
[   23.817604][  T526] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe3cfc
[   23.817853][  T526] RBP: ff110000108a9000 R08: 1fe220000177c7a1 R09: ff11000009a90b80
[   23.818104][  T526] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.818342][  T526] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000108a9000
[   23.818590][  T526] FS:  00007f5f5d979840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   23.818991][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.819207][  T526] CR2: 00007f5f5db7ac20 CR3: 000000000cff3006 CR4: 0000000000771ef0
[   23.819447][  T526] PKRU: 55555554
[   23.819598][  T526] Call Trace:
[   23.819749][  T526]  <TASK>
[   23.819878][  T526]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.820060][  T526]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.820240][  T526]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.820387][  T526]  register_netdevice (net/core/dev.c:11488)
[   23.820573][  T526]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.820791][  T526]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.820983][  T526]  register_netdev (net/core/dev.c:11552)
[   23.821161][  T526]  loopback_net_init (drivers/net/loopback.c:218)
[   23.821340][  T526]  ops_init (net/core/net_namespace.c:137)
[   23.821487][  T526]  setup_net (net/core/net_namespace.c:446)
[   23.821639][  T526]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.821827][  T526]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.822016][  T526]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.822195][  T526]  copy_net_ns (net/core/net_namespace.c:579)
[   23.822375][  T526]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.822561][  T526]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.822744][  T526]  ksys_unshare (kernel/fork.c:3243)
[   23.822936][  T526]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.823114][  T526]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.823290][  T526]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.823470][  T526]  ? __ia32_sys_open (fs/open.c:1374)
[   23.823655][  T526]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.823838][  T526]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.824026][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.824203][  T526]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.824380][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.824565][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.824778][  T526] RIP: 0033:0x7f5f5dc3bbcb
[   23.824973][  T526] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.825485][  T526] RSP: 002b:00007fff4ef68d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.825739][  T526] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5f5dc3bbcb
[   23.825991][  T526] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.826230][  T526] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.826471][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4ef6af80
[   23.826724][  T526] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4ef6c847
| [   23.836660][  T526] ------------[ cut here ]------------
| [   23.836837][  T526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/526
| [   23.837120][  T526] Modules linked in:
| [   23.837578][  T526] Tainted: [W]=WARN
[   23.837728][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.837948][  T526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.838163][  T526] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.838675][  T526] RSP: 0018:ffa00000018c7918 EFLAGS: 00010286
[   23.838904][  T526] RAX: 00000000ffffffa6 RBX: ff1100000ba9c3c0 RCX: 1ff4000000318ee9
[   23.839145][  T526] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba9c47c
[   23.839381][  T526] RBP: ff1100000a844000 R08: 1fe2200001753891 R09: ff11000009a90b80
[   23.839623][  T526] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.839868][  T526] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a844000
[   23.840140][  T526] FS:  00007f5f5d979840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   23.840409][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.840624][  T526] CR2: 00007f5f5db7ac20 CR3: 000000000cff3006 CR4: 0000000000771ef0
[   23.840883][  T526] PKRU: 55555554
[   23.841033][  T526] Call Trace:
[   23.841174][  T526]  <TASK>
[   23.841287][  T526]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.841466][  T526]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.841650][  T526]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.841805][  T526]  register_netdevice (net/core/dev.c:11488)
[   23.841996][  T526]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.842202][  T526]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.842379][  T526]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.842566][  T526]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.842752][  T526]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.842942][  T526]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.843119][  T526]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.843296][  T526]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   23.843474][  T526]  ops_init (net/core/net_namespace.c:137)
[   23.843627][  T526]  setup_net (net/core/net_namespace.c:446)
[   23.843776][  T526]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.843965][  T526]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.844142][  T526]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.844319][  T526]  copy_net_ns (net/core/net_namespace.c:579)
[   23.844496][  T526]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.844683][  T526]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.844883][  T526]  ksys_unshare (kernel/fork.c:3243)
[   23.845061][  T526]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.845238][  T526]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.845414][  T526]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.845598][  T526]  ? __ia32_sys_open (fs/open.c:1374)
[   23.845787][  T526]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.845979][  T526]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.846154][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.846329][  T526]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.846505][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.846690][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.846917][  T526] RIP: 0033:0x7f5f5dc3bbcb
[   23.847098][  T526] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.847606][  T526] RSP: 002b:00007fff4ef68d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.847857][  T526] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5f5dc3bbcb
[   23.848107][  T526] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.848345][  T526] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.848590][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4ef6af80
[   23.848834][  T526] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4ef6c847
| [   23.853615][  T526] ------------[ cut here ]------------
| [   23.853766][  T526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/526
| [   23.854003][  T526] Modules linked in:
| [   23.854367][  T526] Tainted: [W]=WARN
[   23.854466][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.854634][  T526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.854809][  T526] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.855275][  T526] RSP: 0018:ffa00000018c78f8 EFLAGS: 00010286
[   23.855440][  T526] RAX: 00000000ffffffa6 RBX: ff11000010abb1c0 RCX: 1ff4000000318ee5
[   23.855640][  T526] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb27c
[   23.855838][  T526] RBP: ff11000005af1000 R08: 1fe2200002157651 R09: ff11000009a90b80
[   23.856038][  T526] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.856234][  T526] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005af1000
[   23.856432][  T526] FS:  00007f5f5d979840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.856666][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.856835][  T526] CR2: 00007f79b65e6574 CR3: 000000000cff3004 CR4: 0000000000771ef0
[   23.857037][  T526] PKRU: 55555554
[   23.857135][  T526] Call Trace:
[   23.857232][  T526]  <TASK>
[   23.857299][  T526]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.857429][  T526]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.857563][  T526]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.857663][  T526]  register_netdevice (net/core/dev.c:11488)
[   23.857800][  T526]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.857968][  T526]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.858101][  T526]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.858231][  T526]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.858361][  T526]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.858493][  T526]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.858629][  T526]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.858766][  T526]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   23.858903][  T526]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.859035][  T526]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.859166][  T526]  ops_init (net/core/net_namespace.c:137)
[   23.859265][  T526]  setup_net (net/core/net_namespace.c:446)
[   23.859364][  T526]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.859494][  T526]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.859627][  T526]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.859764][  T526]  copy_net_ns (net/core/net_namespace.c:579)
[   23.859902][  T526]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.860035][  T526]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.860168][  T526]  ksys_unshare (kernel/fork.c:3243)
[   23.860298][  T526]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.860429][  T526]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.860563][  T526]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.860699][  T526]  ? __ia32_sys_open (fs/open.c:1374)
[   23.860831][  T526]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.860966][  T526]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.861096][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.861226][  T526]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.861357][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.861487][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.861649][  T526] RIP: 0033:0x7f5f5dc3bbcb
[   23.861792][  T526] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.862259][  T526] RSP: 002b:00007fff4ef68d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.862456][  T526] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5f5dc3bbcb
[   23.862651][  T526] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.862850][  T526] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.863050][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4ef6af80
[   23.863244][  T526] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4ef6c847
| [   23.867274][  T526] ------------[ cut here ]------------
| [   23.867409][  T526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/526
| [   23.867637][  T526] Modules linked in:
| [   23.868010][  T526] Tainted: [W]=WARN
[   23.868107][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.868269][  T526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.868437][  T526] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.868908][  T526] RSP: 0018:ffa00000018c7a78 EFLAGS: 00010286
[   23.869070][  T526] RAX: 00000000ffffffa6 RBX: ff11000010abb8c0 RCX: 1ff4000000318f15
[   23.869263][  T526] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb97c
[   23.869456][  T526] RBP: ff110000102b4000 R08: 1fe2200002157731 R09: ff11000009a90b80
[   23.869654][  T526] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.869851][  T526] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000102b4000
[   23.870051][  T526] FS:  00007f5f5d979840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.870281][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.870445][  T526] CR2: 00007f79b65e6574 CR3: 000000000cff3004 CR4: 0000000000771ef0
[   23.870646][  T526] PKRU: 55555554
[   23.870748][  T526] Call Trace:
[   23.870845][  T526]  <TASK>
[   23.870916][  T526]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.871046][  T526]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.871177][  T526]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.871277][  T526]  register_netdevice (net/core/dev.c:11488)
[   23.871410][  T526]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.871574][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.871710][  T526]  register_netdev (net/core/dev.c:11552)
[   23.871840][  T526]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.871976][  T526]  ops_init (net/core/net_namespace.c:137)
[   23.872076][  T526]  setup_net (net/core/net_namespace.c:446)
[   23.872175][  T526]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.872307][  T526]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.872437][  T526]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.872572][  T526]  copy_net_ns (net/core/net_namespace.c:579)
[   23.872710][  T526]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.872843][  T526]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.872979][  T526]  ksys_unshare (kernel/fork.c:3243)
[   23.873108][  T526]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.873240][  T526]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.873370][  T526]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.873502][  T526]  ? __ia32_sys_open (fs/open.c:1374)
[   23.873638][  T526]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.873772][  T526]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.873906][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.874036][  T526]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.874166][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.874296][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.874456][  T526] RIP: 0033:0x7f5f5dc3bbcb
[   23.874596][  T526] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.875067][  T526] RSP: 002b:00007fff4ef68d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.875264][  T526] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5f5dc3bbcb
[   23.875457][  T526] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.875655][  T526] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.875855][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4ef6af80
[   23.876055][  T526] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4ef6c847
| [   23.880225][  T526] ------------[ cut here ]------------
| [   23.880362][  T526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/526
| [   23.880594][  T526] Modules linked in:
| [   23.880971][  T526] Tainted: [W]=WARN
[   23.881070][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.881234][  T526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.881405][  T526] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.881881][  T526] RSP: 0018:ffa00000018c7a68 EFLAGS: 00010286
[   23.882045][  T526] RAX: 00000000ffffffa6 RBX: ff1100000e441700 RCX: 1ff4000000318f13
[   23.882240][  T526] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4417bc
[   23.882433][  T526] RBP: ff11000012464000 R08: 1fe2200001c882f9 R09: ff11000009a90b80
[   23.882635][  T526] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.882834][  T526] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012464000
[   23.883035][  T526] FS:  00007f5f5d979840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.883263][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.883425][  T526] CR2: 00007f79b65e6574 CR3: 000000000cff3004 CR4: 0000000000771ef0
[   23.883624][  T526] PKRU: 55555554
[   23.883725][  T526] Call Trace:
[   23.883822][  T526]  <TASK>
[   23.883895][  T526]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.884027][  T526]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.884157][  T526]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.884255][  T526]  register_netdevice (net/core/dev.c:11488)
[   23.884386][  T526]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.884554][  T526]  register_netdev (net/core/dev.c:11552)
[   23.884684][  T526]  sit_init_net (net/ipv6/sit.c:1860)
[   23.884824][  T526]  ops_init (net/core/net_namespace.c:137)
[   23.884932][  T526]  setup_net (net/core/net_namespace.c:446)
[   23.885032][  T526]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.885162][  T526]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.885292][  T526]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.885427][  T526]  copy_net_ns (net/core/net_namespace.c:579)
[   23.885563][  T526]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.885700][  T526]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.885834][  T526]  ksys_unshare (kernel/fork.c:3243)
[   23.885968][  T526]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.886099][  T526]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.886229][  T526]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.886359][  T526]  ? __ia32_sys_open (fs/open.c:1374)
[   23.886491][  T526]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.886624][  T526]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.886761][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.886897][  T526]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.887027][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.887159][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.887320][  T526] RIP: 0033:0x7f5f5dc3bbcb
[   23.887455][  T526] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.887932][  T526] RSP: 002b:00007fff4ef68d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.888128][  T526] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5f5dc3bbcb
[   23.888322][  T526] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.888519][  T526] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.888718][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4ef6af80
[   23.888915][  T526] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4ef6c847
| [   23.900757][  T526] ------------[ cut here ]------------
| [   23.900972][  T526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/526
| [   23.901197][  T526] Modules linked in:
| [   23.901562][  T526] Tainted: [W]=WARN
[   23.901662][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.901829][  T526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.902003][  T526] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.902460][  T526] RSP: 0018:ffa00000018c7a78 EFLAGS: 00010286
[   23.902628][  T526] RAX: 00000000ffffffa6 RBX: ff1100000b963700 RCX: 1ff4000000318f15
[   23.902826][  T526] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9637bc
[   23.903024][  T526] RBP: ff11000008e49000 R08: 1fe220000172c6f9 R09: ff11000009a90b80
[   23.903217][  T526] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.903412][  T526] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008e49000
[   23.903613][  T526] FS:  00007f5f5d979840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   23.903846][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.904015][  T526] CR2: 00007f79b65e6574 CR3: 000000000cff3004 CR4: 0000000000771ef0
[   23.904211][  T526] PKRU: 55555554
[   23.904308][  T526] Call Trace:
[   23.904405][  T526]  <TASK>
[   23.904472][  T526]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.904607][  T526]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.904741][  T526]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.904839][  T526]  register_netdevice (net/core/dev.c:11488)
[   23.904977][  T526]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.905137][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.905269][  T526]  register_netdev (net/core/dev.c:11552)
[   23.905398][  T526]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.905532][  T526]  ops_init (net/core/net_namespace.c:137)
[   23.905631][  T526]  setup_net (net/core/net_namespace.c:446)
[   23.905734][  T526]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.905862][  T526]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.905997][  T526]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.906130][  T526]  copy_net_ns (net/core/net_namespace.c:579)
[   23.906261][  T526]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.906393][  T526]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.906526][  T526]  ksys_unshare (kernel/fork.c:3243)
[   23.906655][  T526]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.906788][  T526]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.906923][  T526]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.907054][  T526]  ? __ia32_sys_open (fs/open.c:1374)
[   23.907186][  T526]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.907314][  T526]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.907442][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.907576][  T526]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.907709][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.907839][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.908006][  T526] RIP: 0033:0x7f5f5dc3bbcb
[   23.908142][  T526] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.908606][  T526] RSP: 002b:00007fff4ef68d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.908806][  T526] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5f5dc3bbcb
[   23.909006][  T526] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.909201][  T526] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.909394][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4ef6af80
[   23.909587][  T526] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4ef6c847
| [   23.932360][  T527] ------------[ cut here ]------------
| [   23.932505][  T527] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/527
| [   23.932740][  T527] Modules linked in:
| [   23.933682][  T527] Tainted: [W]=WARN
[   23.933787][  T527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.933953][  T527] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.934120][  T527] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.934582][  T527] RSP: 0018:ffa00000018d7020 EFLAGS: 00010286
[   23.934750][  T527] RAX: 00000000ffffffa6 RBX: ff1100000a16a200 RCX: 1ff400000031adca
[   23.934945][  T527] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a2bc
[   23.935136][  T527] RBP: ff110000108a9000 R08: 1fe220000142d459 R09: ff1100000dcf0b58
[   23.935330][  T527] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.935520][  T527] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.935717][  T527] FS:  00007fac6373d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   23.935946][  T527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.936106][  T527] CR2: 0000000028555988 CR3: 00000000098a5005 CR4: 0000000000771ef0
[   23.936298][  T527] PKRU: 55555554
[   23.936394][  T527] Call Trace:
[   23.936489][  T527]  <TASK>
[   23.936558][  T527]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.936689][  T527]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.936792][  T527]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.936925][  T527]  __dev_notify_flags (net/core/dev.c:9787)
[   23.937057][  T527]  ? netif_change_name (net/core/dev.c:1495)
[   23.937187][  T527]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.937316][  T527]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.937444][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.937578][  T527]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   23.937716][  T527]  netif_change_flags (net/core/dev.c:9820)
[   23.937846][  T527]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.937979][  T527]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.938111][  T527]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.938241][  T527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.938402][  T527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.938536][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.938666][  T527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.938798][  T527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.938934][  T527]  ? __kernel_text_address (kernel/extable.c:79)
[   23.939063][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.939193][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.939321][  T527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.939450][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.939581][  T527]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.939712][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.939842][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.939976][  T527]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.940106][  T527]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   23.940234][  T527]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.940364][  T527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.940494][  T527]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.940631][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.940785][  T527]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.940927][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.941057][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.941185][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.941315][  T527]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.941444][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.941580][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.941721][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.941853][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.941989][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.942119][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.942247][  T527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.942376][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.942504][  T527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.942637][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.942774][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.942909][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.943039][  T527]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.943169][  T527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.943299][  T527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.943430][  T527]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.943564][  T527]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.943701][  T527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.943833][  T527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.943969][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.944099][  T527]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.944229][  T527]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.944360][  T527]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.944493][  T527]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.944626][  T527]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.944761][  T527]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.944928][  T527]  ? move_addr_to_kernel (net/socket.c:258)
[   23.945058][  T527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.945188][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.945318][  T527]  ___sys_sendmsg (net/socket.c:2752)
[   23.945446][  T527]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.945611][  T527]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.945756][  T527]  __sys_sendmsg (net/socket.c:2784)
[   23.945892][  T527]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.946022][  T527]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.946186][  T527]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.946317][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.946448][  T527]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.946580][  T527]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.946711][  T527]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.946841][  T527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.947007][  T527] RIP: 0033:0x7fac6397708e
[   23.947143][  T527] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.947609][  T527] RSP: 002b:00007fff73b9bf30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.947808][  T527] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fac6397708e
[   23.948007][  T527] RDX: 0000000000000000 RSI: 00007fff73b9bfe0 RDI: 0000000000000005
[   23.948200][  T527] RBP: 00007fff73b9bf40 R08: 0000000000000000 R09: 0000000000000000
[   23.948391][  T527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   23.948584][  T527] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff73b9c6b0
| [   24.304834][  T542] ------------[ cut here ]------------
| [   24.305008][  T542] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/542
| [   24.305248][  T542] Modules linked in:
| [   24.305635][  T542] Tainted: [W]=WARN
[   24.305742][  T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.305918][  T542] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.306096][  T542] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.306575][  T542] RSP: 0018:ffa00000019a6e30 EFLAGS: 00010286
[   24.306749][  T542] RAX: 00000000ffffffa6 RBX: ff1100000f1b7540 RCX: 1ff4000000334d8c
[   24.306955][  T542] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b75fc
[   24.307161][  T542] RBP: ff110000100d4000 R08: 1fe2200001e36ec1 R09: ff1100000f0bd180
[   24.307361][  T542] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   24.307563][  T542] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b4fc00
[   24.307768][  T542] FS:  00007f1d14a8d840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   24.308035][  T542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.308203][  T542] CR2: 000000000042ebe0 CR3: 00000000060e5005 CR4: 0000000000771ef0
[   24.308403][  T542] PKRU: 55555554
[   24.308503][  T542] Call Trace:
[   24.308607][  T542]  <TASK>
[   24.308677][  T542]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.308819][  T542]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.308926][  T542]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   24.309093][  T542]  __dev_notify_flags (net/core/dev.c:9787)
[   24.309228][  T542]  ? netif_change_name (net/core/dev.c:1495)
[   24.309360][  T542]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.309493][  T542]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.309629][  T542]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.309769][  T542]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   24.309911][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.310045][  T542]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.310179][  T542]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.310313][  T542]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.310447][  T542]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   24.310585][  T542]  veth_newlink (drivers/net/veth.c:1871)
[   24.310726][  T542]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   24.310860][  T542]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.311062][  T542]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.311194][  T542]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.311342][  T542]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   24.311475][  T542]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   24.311615][  T542]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.311754][  T542]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.311970][  T542]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   24.312226][  T542]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   24.312362][  T542]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.312494][  T542]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.312632][  T542]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.312776][  T542]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.313001][  T542]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.313137][  T542]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.313270][  T542]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.313403][  T542]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.313539][  T542]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.313672][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.313814][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.313984][  T542]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.314117][  T542]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.314250][  T542]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.314383][  T542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.314518][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.314652][  T542]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.314790][  T542]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.314929][  T542]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.315061][  T542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.315194][  T542]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.315332][  T542]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.315465][  T542]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.315605][  T542]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.315746][  T542]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.315883][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.316018][  T542]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.316153][  T542]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.316288][  T542]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.316425][  T542]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.316562][  T542]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.316701][  T542]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.316872][  T542]  ? move_addr_to_kernel (net/socket.c:258)
[   24.317010][  T542]  ___sys_sendmsg (net/socket.c:2752)
[   24.317144][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.317277][  T542]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.317421][  T542]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   24.317557][  T542]  __sys_sendmsg (net/socket.c:2784)
[   24.317691][  T542]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.317833][  T542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.317974][  T542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.318108][  T542]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.318241][  T542]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.318376][  T542]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.318512][  T542]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.318679][  T542] RIP: 0033:0x7f1d14cc708e
[   24.318825][  T542] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.319304][  T542] RSP: 002b:00007ffcecb35b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.319511][  T542] RAX: ffffffffffffffda RBX: 00007ffcecb36328 RCX: 00007f1d14cc708e
[   24.319716][  T542] RDX: 0000000000000000 RSI: 00007ffcecb35c30 RDI: 0000000000000005
[   24.319919][  T542] RBP: 00007ffcecb35b90 R08: 0000000000000000 R09: 0000000000000000
[   24.320118][  T542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.320318][  T542] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcecb36300
| [   24.334383][  T542] ------------[ cut here ]------------
| [   24.334526][  T542] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/542
| [   24.334765][  T542] Modules linked in:
| [   24.335146][  T542] Tainted: [W]=WARN
[   24.335246][  T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.335411][  T542] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.335586][  T542] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.336589][  T542] RSP: 0018:ffa00000019a71b0 EFLAGS: 00010286
[   24.336762][  T542] RAX: 00000000ffffffa6 RBX: ff1100000b7d5380 RCX: 1ff4000000334dfc
[   24.336963][  T542] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d543c
[   24.337160][  T542] RBP: ff1100001241c000 R08: 1fe22000016faa89 R09: ff1100000f0bd180
[   24.337357][  T542] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   24.337555][  T542] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   24.337760][  T542] FS:  00007f1d14a8d840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   24.337995][  T542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.338163][  T542] CR2: 000000000042ebe0 CR3: 00000000060e5005 CR4: 0000000000771ef0
[   24.338360][  T542] PKRU: 55555554
[   24.338459][  T542] Call Trace:
[   24.338562][  T542]  <TASK>
[   24.338631][  T542]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.338770][  T542]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.338876][  T542]  __dev_notify_flags (net/core/dev.c:9787)
[   24.339011][  T542]  ? netif_change_name (net/core/dev.c:1495)
[   24.339145][  T542]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.339278][  T542]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.339413][  T542]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.339552][  T542]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.339687][  T542]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.339825][  T542]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.339963][  T542]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.340103][  T542]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.340240][  T542]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.340376][  T542]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.340512][  T542]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.340645][  T542]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.340781][  T542]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.340916][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.341052][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.341187][  T542]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.341319][  T542]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.341451][  T542]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.341585][  T542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.341723][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.341858][  T542]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.341994][  T542]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.342129][  T542]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.342262][  T542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.342397][  T542]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.342536][  T542]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.342668][  T542]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.342809][  T542]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.342946][  T542]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.343079][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.343214][  T542]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.343348][  T542]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.343481][  T542]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.343618][  T542]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.343754][  T542]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.343891][  T542]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.344054][  T542]  ? move_addr_to_kernel (net/socket.c:258)
[   24.344192][  T542]  ___sys_sendmsg (net/socket.c:2752)
[   24.344323][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.344455][  T542]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.344599][  T542]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   24.344738][  T542]  __sys_sendmsg (net/socket.c:2784)
[   24.344875][  T542]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.345011][  T542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.345146][  T542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.345278][  T542]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.345410][  T542]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.345545][  T542]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.345676][  T542]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.345847][  T542] RIP: 0033:0x7f1d14cc708e
[   24.345990][  T542] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.346460][  T542] RSP: 002b:00007ffcecb35b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.346663][  T542] RAX: ffffffffffffffda RBX: 00007ffcecb36328 RCX: 00007f1d14cc708e
[   24.346864][  T542] RDX: 0000000000000000 RSI: 00007ffcecb35c30 RDI: 0000000000000005
[   24.347069][  T542] RBP: 00007ffcecb35b90 R08: 0000000000000000 R09: 0000000000000000
[   24.347267][  T542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.347465][  T542] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcecb36300
| [   24.385194][  T543] ------------[ cut here ]------------
| [   24.385341][  T543] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/543
| [   24.385565][  T543] Modules linked in:
| [   24.385937][  T543] Tainted: [W]=WARN
[   24.386033][  T543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.386195][  T543] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.386360][  T543] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.386819][  T543] RSP: 0018:ffa00000019b6ff8 EFLAGS: 00010286
[   24.386988][  T543] RAX: 00000000ffffffa6 RBX: ff1100000b7d4900 RCX: 1ff4000000336dc5
[   24.387185][  T543] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d49bc
[   24.387374][  T543] RBP: ff110000100d4000 R08: 1fe22000016fa939 R09: ff11000010315158
[   24.387568][  T543] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.387765][  T543] R13: 0000000000000000 R14: ffa00000019b7140 R15: ff1100000d2adc50
[   24.387968][  T543] FS:  00007f65d832a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.388191][  T543] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.388349][  T543] CR2: 000000003914f988 CR3: 000000000ed60006 CR4: 0000000000771ef0
[   24.388546][  T543] PKRU: 55555554
[   24.388641][  T543] Call Trace:
[   24.388741][  T543]  <TASK>
[   24.388808][  T543]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   24.388948][  T543]  __dev_change_net_namespace (net/core/dev.c:12635)
[   24.389111][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.389239][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.389373][  T543]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.389533][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.389658][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.389813][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.389943][  T543]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.390073][  T543]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.390203][  T543]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   24.390332][  T543]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.390459][  T543]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.390619][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.390751][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.390881][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.391007][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.391135][  T543]  ? __kernel_text_address (kernel/extable.c:79)
[   24.391261][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.391390][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.391519][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.391647][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.391779][  T543]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.391911][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.392038][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.392165][  T543]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.392294][  T543]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.392421][  T543]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.392550][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.392678][  T543]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.392807][  T543]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.392944][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.393074][  T543]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.393203][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.393329][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.393456][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.393585][  T543]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.393717][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.393845][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.394028][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.394159][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.394285][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.394414][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.394546][  T543]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.394674][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.394803][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.394948][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.395076][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.395200][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.395328][  T543]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.395454][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.395582][  T543]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.395714][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.395841][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.395974][  T543]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.396102][  T543]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.396230][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.396357][  T543]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.396485][  T543]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.396617][  T543]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.396751][  T543]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.396882][  T543]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.397008][  T543]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.397165][  T543]  ? move_addr_to_kernel (net/socket.c:258)
[   24.397294][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.397421][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.397552][  T543]  ___sys_sendmsg (net/socket.c:2752)
[   24.397677][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.397839][  T543]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.397983][  T543]  __sys_sendmsg (net/socket.c:2784)
[   24.398110][  T543]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.398237][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.398395][  T543]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.398528][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.398655][  T543]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.398787][  T543]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.398920][  T543]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.399046][  T543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.399203][  T543] RIP: 0033:0x7f65d856408e
[   24.399335][  T543] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.399798][  T543] RSP: 002b:00007ffcf462b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.399994][  T543] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65d856408e
[   24.400182][  T543] RDX: 0000000000000000 RSI: 00007ffcf462b3b0 RDI: 0000000000000005
[   24.400375][  T543] RBP: 00007ffcf462b310 R08: 0000000000000000 R09: 0000000000000000
[   24.400568][  T543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.400763][  T543] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf462ba80
| [   24.403305][  T543] ------------[ cut here ]------------
| [   24.403432][  T543] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/543
| [   24.403654][  T543] Modules linked in:
| [   24.404275][  T543] Tainted: [W]=WARN
[   24.404373][  T543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.404537][  T543] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.404710][  T543] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.405222][  T543] RSP: 0018:ffa00000019b6fc0 EFLAGS: 00010286
[   24.405382][  T543] RAX: 00000000ffffffa6 RBX: ff1100000c04b700 RCX: 1ff4000000336dbe
[   24.405577][  T543] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b7bc
[   24.405774][  T543] RBP: ff110000100d4000 R08: 1fe22000018096f9 R09: ff11000010315158
[   24.406026][  T543] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.406270][  T543] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2adc50
[   24.406462][  T543] FS:  00007f65d832a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.406686][  T543] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.406851][  T543] CR2: 000000003914f988 CR3: 000000000ed60006 CR4: 0000000000771ef0
[   24.407100][  T543] PKRU: 55555554
[   24.407197][  T543] Call Trace:
[   24.407293][  T543]  <TASK>
[   24.407360][  T543]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.407489][  T543]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.407624][  T543]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.407729][  T543]  __dev_change_net_namespace (net/core/dev.c:12695)
[   24.407947][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.408077][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.408207][  T543]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.408366][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.408492][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.408624][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.408760][  T543]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.408944][  T543]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.409076][  T543]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   24.409207][  T543]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.409335][  T543]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.409495][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.409626][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.409760][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.409940][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.410070][  T543]  ? __kernel_text_address (kernel/extable.c:79)
[   24.410198][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.410326][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.410453][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.410582][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.410715][  T543]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.410843][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.411022][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.411149][  T543]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.411278][  T543]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.411405][  T543]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.411536][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.411667][  T543]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.411801][  T543]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.411986][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.412116][  T543]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.412247][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.412374][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.412501][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.412632][  T543]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.412765][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.412951][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.413078][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.413207][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.413335][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.413464][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.413596][  T543]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.413729][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.413855][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.414036][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.414165][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.414292][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.414421][  T543]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.414550][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.414678][  T543]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.414816][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.414995][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.415126][  T543]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.415256][  T543]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.415384][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.415516][  T543]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.415646][  T543]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.415779][  T543]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.415962][  T543]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.416093][  T543]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.416220][  T543]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.416378][  T543]  ? move_addr_to_kernel (net/socket.c:258)
[   24.416510][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.416640][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.416774][  T543]  ___sys_sendmsg (net/socket.c:2752)
[   24.416956][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.417117][  T543]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.417256][  T543]  __sys_sendmsg (net/socket.c:2784)
[   24.417385][  T543]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.417516][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.417677][  T543]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.417810][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.417993][  T543]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.418122][  T543]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.418249][  T543]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.418376][  T543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.418539][  T543] RIP: 0033:0x7f65d856408e
[   24.418673][  T543] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.419188][  T543] RSP: 002b:00007ffcf462b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.419380][  T543] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65d856408e
[   24.419574][  T543] RDX: 0000000000000000 RSI: 00007ffcf462b3b0 RDI: 0000000000000005
[   24.419773][  T543] RBP: 00007ffcf462b310 R08: 0000000000000000 R09: 0000000000000000
[   24.420019][  T543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.420208][  T543] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf462ba80
| [   24.422220][  T543] ------------[ cut here ]------------
| [   24.422351][  T543] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/543
| [   24.422576][  T543] Modules linked in:
| [   24.422948][  T543] Tainted: [W]=WARN
[   24.423044][  T543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.423203][  T543] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.423367][  T543] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.423829][  T543] RSP: 0018:ffa00000019b7038 EFLAGS: 00010286
[   24.423996][  T543] RAX: 00000000ffffffa6 RBX: ff1100000c04ae40 RCX: 1ff4000000336dcd
[   24.424185][  T543] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04aefc
[   24.424373][  T543] RBP: ff110000100d4000 R08: 1fe22000018095e1 R09: ff11000010315158
[   24.424567][  T543] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   24.424764][  T543] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.424962][  T543] FS:  00007f65d832a840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   24.425182][  T543] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.425342][  T543] CR2: 00007f1d14b5a574 CR3: 000000000ed60006 CR4: 0000000000771ef0
[   24.425537][  T543] PKRU: 55555554
[   24.425633][  T543] Call Trace:
[   24.425736][  T543]  <TASK>
[   24.425802][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.425935][  T543]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   24.426063][  T543]  notifier_call_chain (kernel/notifier.c:85)
[   24.426192][  T543]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   24.426319][  T543]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.426481][  T543]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   24.426643][  T543]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.426774][  T543]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.426908][  T543]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   24.427037][  T543]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.427165][  T543]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.427323][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.427450][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.427579][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.427709][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.427836][  T543]  ? __kernel_text_address (kernel/extable.c:79)
[   24.427970][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.428098][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.428225][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.428354][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.428480][  T543]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.428611][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.428740][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.428874][  T543]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.429002][  T543]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.429129][  T543]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.429261][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.429389][  T543]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.429518][  T543]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.429649][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.429784][  T543]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.429918][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.430046][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.430174][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.430303][  T543]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.430430][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.430563][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.430691][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.430824][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.430958][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.431086][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.431215][  T543]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.431343][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.431471][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.431600][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.431734][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.431861][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.431993][  T543]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.432122][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.432251][  T543]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.432382][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.432511][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.432642][  T543]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.432772][  T543]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.432906][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.433035][  T543]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.433164][  T543]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.433294][  T543]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.433423][  T543]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.433551][  T543]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.433679][  T543]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.433842][  T543]  ? move_addr_to_kernel (net/socket.c:258)
[   24.433975][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.434103][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.434233][  T543]  ___sys_sendmsg (net/socket.c:2752)
[   24.434359][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.434520][  T543]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.434658][  T543]  __sys_sendmsg (net/socket.c:2784)
[   24.434790][  T543]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.434922][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.435083][  T543]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.435211][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.435340][  T543]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.435467][  T543]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.435596][  T543]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.435730][  T543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.435894][  T543] RIP: 0033:0x7f65d856408e
[   24.436061][  T543] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.436518][  T543] RSP: 002b:00007ffcf462b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.436715][  T543] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65d856408e
[   24.436911][  T543] RDX: 0000000000000000 RSI: 00007ffcf462b3b0 RDI: 0000000000000005
[   24.437102][  T543] RBP: 00007ffcf462b310 R08: 0000000000000000 R09: 0000000000000000
[   24.437291][  T543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.437480][  T543] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf462ba80
| [   24.439634][  T543] ------------[ cut here ]------------
| [   24.439769][  T543] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/543
| [   24.440010][  T543] Modules linked in:
| [   24.440370][  T543] Tainted: [W]=WARN
[   24.440467][  T543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.440633][  T543] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.440804][  T543] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.441269][  T543] RSP: 0018:ffa00000019b7020 EFLAGS: 00010286
[   24.441432][  T543] RAX: 00000000ffffffa6 RBX: ff1100000c04bc40 RCX: 1ff4000000336dca
[   24.441628][  T543] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04bcfc
[   24.441826][  T543] RBP: ff110000100d4000 R08: 1fe22000018097a1 R09: ff11000010315158
[   24.442024][  T543] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   24.442216][  T543] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.442409][  T543] FS:  00007f65d832a840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   24.442638][  T543] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.442808][  T543] CR2: 00007f1d14b5a574 CR3: 000000000ed60006 CR4: 0000000000771ef0
[   24.443008][  T543] PKRU: 55555554
[   24.443105][  T543] Call Trace:
[   24.443200][  T543]  <TASK>
[   24.443266][  T543]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.443397][  T543]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.443495][  T543]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.443627][  T543]  __dev_notify_flags (net/core/dev.c:9787)
[   24.443765][  T543]  ? netif_change_name (net/core/dev.c:1495)
[   24.443899][  T543]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.444028][  T543]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.444158][  T543]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   24.444317][  T543]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.444447][  T543]  netif_change_flags (net/core/dev.c:9820)
[   24.444580][  T543]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.444720][  T543]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.444850][  T543]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.445014][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.445142][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.445271][  T543]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.445401][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.445534][  T543]  ? __kernel_text_address (kernel/extable.c:79)
[   24.445664][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.445798][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.445931][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.446061][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.446189][  T543]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.446316][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.446443][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.446577][  T543]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.446710][  T543]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.446840][  T543]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.446973][  T543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.447103][  T543]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.447232][  T543]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.447362][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.447495][  T543]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.447629][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.447762][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.447895][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.448023][  T543]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.448151][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.448281][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.448409][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.448542][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.448671][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.448806][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.448940][  T543]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.449069][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.449196][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.449324][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.449454][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.449584][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.449720][  T543]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.449850][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.449984][  T543]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.450117][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.450245][  T543]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.450374][  T543]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.450504][  T543]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.450639][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.450773][  T543]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.450907][  T543]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.451036][  T543]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.451165][  T543]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.451292][  T543]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.451421][  T543]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.451582][  T543]  ? move_addr_to_kernel (net/socket.c:258)
[   24.451714][  T543]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.451844][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.451977][  T543]  ___sys_sendmsg (net/socket.c:2752)
[   24.452106][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.452266][  T543]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.452408][  T543]  __sys_sendmsg (net/socket.c:2784)
[   24.452540][  T543]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.452670][  T543]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.452839][  T543]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.452973][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.453102][  T543]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.453230][  T543]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.453357][  T543]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.453486][  T543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.453644][  T543] RIP: 0033:0x7f65d856408e
[   24.453785][  T543] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.454247][  T543] RSP: 002b:00007ffcf462b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.454443][  T543] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65d856408e
[   24.454640][  T543] RDX: 0000000000000000 RSI: 00007ffcf462b3b0 RDI: 0000000000000005
[   24.454834][  T543] RBP: 00007ffcf462b310 R08: 0000000000000000 R09: 0000000000000000
[   24.455032][  T543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.455227][  T543] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf462ba80
| [   24.492123][  T544] ------------[ cut here ]------------
| [   24.492273][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/544
| [   24.492515][  T544] Modules linked in:
| [   24.492909][  T544] Tainted: [W]=WARN
[   24.493010][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.493176][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.493352][  T544] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.493832][  T544] RSP: 0018:ffa00000019c6e30 EFLAGS: 00010286
[   24.494006][  T544] RAX: 00000000ffffffa6 RBX: ff1100000e440040 RCX: 1ff4000000338d8c
[   24.494205][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4400fc
[   24.494404][  T544] RBP: ff1100000f161000 R08: 1fe2200001c88021 R09: ff11000010312e80
[   24.494608][  T544] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.494812][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d0aa000
[   24.495017][  T544] FS:  00007fa2baaab840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   24.495251][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.495420][  T544] CR2: 000000000042ebe0 CR3: 000000000e699002 CR4: 0000000000771ef0
[   24.495624][  T544] PKRU: 55555554
[   24.495730][  T544] Call Trace:
[   24.495831][  T544]  <TASK>
[   24.495906][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.496040][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.496176][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.496278][  T544]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   24.496415][  T544]  __dev_notify_flags (net/core/dev.c:9787)
[   24.496552][  T544]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   24.496685][  T544]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   24.496825][  T544]  ? netif_change_name (net/core/dev.c:1495)
[   24.496965][  T544]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.497099][  T544]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.497232][  T544]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.497366][  T544]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.497499][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.497637][  T544]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.497775][  T544]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.497912][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.498045][  T544]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   24.498180][  T544]  veth_newlink (drivers/net/veth.c:1871)
[   24.498315][  T544]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   24.498449][  T544]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.498583][  T544]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.498721][  T544]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.498876][  T544]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   24.499010][  T544]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   24.499144][  T544]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.499279][  T544]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.499413][  T544]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   24.499551][  T544]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   24.499687][  T544]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.499824][  T544]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.500033][  T544]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.500173][  T544]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.500311][  T544]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.500448][  T544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.500583][  T544]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.500721][  T544]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.500854][  T544]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.501044][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.501183][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.501318][  T544]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.501453][  T544]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.501588][  T544]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.501727][  T544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.501861][  T544]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.502143][  T544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.502277][  T544]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.502411][  T544]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.502548][  T544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.502684][  T544]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.502828][  T544]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.503028][  T544]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.503163][  T544]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.503299][  T544]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.503433][  T544]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.503571][  T544]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.503714][  T544]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.503849][  T544]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.503988][  T544]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.504122][  T544]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.504255][  T544]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.504419][  T544]  ? move_addr_to_kernel (net/socket.c:258)
[   24.504559][  T544]  ___sys_sendmsg (net/socket.c:2752)
[   24.504692][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.504832][  T544]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.504978][  T544]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   24.505114][  T544]  __sys_sendmsg (net/socket.c:2784)
[   24.505248][  T544]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.505384][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.505519][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.505653][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.505794][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.505931][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.506065][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.506230][  T544] RIP: 0033:0x7fa2bace508e
[   24.506369][  T544] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.506851][  T544] RSP: 002b:00007ffd93c8c6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.507056][  T544] RAX: ffffffffffffffda RBX: 00007ffd93c8ce98 RCX: 00007fa2bace508e
[   24.507254][  T544] RDX: 0000000000000000 RSI: 00007ffd93c8c7a0 RDI: 0000000000000005
[   24.507453][  T544] RBP: 00007ffd93c8c700 R08: 0000000000000000 R09: 0000000000000000
[   24.507653][  T544] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.507857][  T544] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd93c8ce70
| [   24.523008][  T544] ------------[ cut here ]------------
| [   24.523148][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/544
| [   24.523372][  T544] Modules linked in:
| [   24.523746][  T544] Tainted: [W]=WARN
[   24.523846][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.524038][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.524209][  T544] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.524682][  T544] RSP: 0018:ffa00000019c71b0 EFLAGS: 00010286
[   24.524855][  T544] RAX: 00000000ffffffa6 RBX: ff110000056c0200 RCX: 1ff4000000338dfc
[   24.525056][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c02bc
[   24.525251][  T544] RBP: ff11000010871000 R08: 1fe2200000ad8059 R09: ff11000010312e80
[   24.525448][  T544] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.525651][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   24.525851][  T544] FS:  00007fa2baaab840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   24.526086][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.526251][  T544] CR2: 000000000042ebe0 CR3: 000000000e699002 CR4: 0000000000771ef0
[   24.526449][  T544] PKRU: 55555554
[   24.526550][  T544] Call Trace:
[   24.526648][  T544]  <TASK>
[   24.526722][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.526858][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.526964][  T544]  __dev_notify_flags (net/core/dev.c:9787)
[   24.527097][  T544]  ? netif_change_name (net/core/dev.c:1495)
[   24.527232][  T544]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.527364][  T544]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.527499][  T544]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.527638][  T544]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.527776][  T544]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.527913][  T544]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.528043][  T544]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.528182][  T544]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.528317][  T544]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.528453][  T544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.528587][  T544]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.528723][  T544]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.528854][  T544]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.528991][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.529127][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.529262][  T544]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.529395][  T544]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.529531][  T544]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.529664][  T544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.529801][  T544]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.529938][  T544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.530070][  T544]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.530203][  T544]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.530334][  T544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.530468][  T544]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.530608][  T544]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.530743][  T544]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.530883][  T544]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.531017][  T544]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.531148][  T544]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.531280][  T544]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.531413][  T544]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.531550][  T544]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.531685][  T544]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.531822][  T544]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.531958][  T544]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.532122][  T544]  ? move_addr_to_kernel (net/socket.c:258)
[   24.532258][  T544]  ___sys_sendmsg (net/socket.c:2752)
[   24.532388][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.532521][  T544]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.532664][  T544]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   24.532802][  T544]  __sys_sendmsg (net/socket.c:2784)
[   24.532939][  T544]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.533075][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.533209][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.533342][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.533473][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.533611][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.533745][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.533912][  T544] RIP: 0033:0x7fa2bace508e
[   24.534050][  T544] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.534521][  T544] RSP: 002b:00007ffd93c8c6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.534724][  T544] RAX: ffffffffffffffda RBX: 00007ffd93c8ce98 RCX: 00007fa2bace508e
[   24.534925][  T544] RDX: 0000000000000000 RSI: 00007ffd93c8c7a0 RDI: 0000000000000005
[   24.535122][  T544] RBP: 00007ffd93c8c700 R08: 0000000000000000 R09: 0000000000000000
[   24.535322][  T544] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.535520][  T544] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd93c8ce70
| [   24.583210][  T545] ------------[ cut here ]------------
| [   24.583353][  T545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/545
| [   24.583577][  T545] Modules linked in:
| [   24.583946][  T545] Tainted: [W]=WARN
[   24.584042][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.584200][  T545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.584363][  T545] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.584825][  T545] RSP: 0018:ffa00000019d6ff8 EFLAGS: 00010286
[   24.584991][  T545] RAX: 00000000ffffffa6 RBX: ff110000056c1e00 RCX: 1ff400000033adc5
[   24.585180][  T545] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056c1ebc
[   24.585368][  T545] RBP: ff1100000f161000 R08: 1fe2200000ad83d9 R09: ff1100000f0bae58
[   24.585560][  T545] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.585756][  T545] R13: 0000000000000000 R14: ffa00000019d7140 R15: ff1100000d18f850
[   24.585958][  T545] FS:  00007f4792bcf840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.586179][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.586337][  T545] CR2: 0000000037357988 CR3: 000000001052f002 CR4: 0000000000771ef0
[   24.586533][  T545] PKRU: 55555554
[   24.586627][  T545] Call Trace:
[   24.586730][  T545]  <TASK>
[   24.586795][  T545]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   24.586930][  T545]  __dev_change_net_namespace (net/core/dev.c:12635)
[   24.587089][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.587217][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.587347][  T545]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.587505][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.587636][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.587769][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.587903][  T545]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.588029][  T545]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.588159][  T545]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   24.588287][  T545]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.588416][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.588577][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.588707][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.588834][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.588964][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.589092][  T545]  ? __kernel_text_address (kernel/extable.c:79)
[   24.589219][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.589348][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.589475][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.589608][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.589741][  T545]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.589874][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.590002][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.590131][  T545]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.590257][  T545]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.590386][  T545]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.590517][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.590645][  T545]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.590774][  T545]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.590918][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.591048][  T545]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.591176][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.591302][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.591428][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.591557][  T545]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.591684][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.591817][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.591950][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.592077][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.592205][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.592333][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.592461][  T545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.592592][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.592725][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.592852][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.592989][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.593113][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.593239][  T545]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.593365][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.593493][  T545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.593629][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.593765][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.593900][  T545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.594029][  T545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.594156][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.594284][  T545]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.594411][  T545]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.594542][  T545]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.594672][  T545]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.594804][  T545]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.594937][  T545]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.595093][  T545]  ? move_addr_to_kernel (net/socket.c:258)
[   24.595220][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.595348][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.595476][  T545]  ___sys_sendmsg (net/socket.c:2752)
[   24.595607][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.595769][  T545]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.595913][  T545]  __sys_sendmsg (net/socket.c:2784)
[   24.596040][  T545]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.596167][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.596327][  T545]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.596454][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.596583][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.596713][  T545]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.596838][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.596977][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.597134][  T545] RIP: 0033:0x7f4792e0908e
[   24.597267][  T545] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.597729][  T545] RSP: 002b:00007ffee6d78e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.597927][  T545] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4792e0908e
[   24.598116][  T545] RDX: 0000000000000000 RSI: 00007ffee6d78ec0 RDI: 0000000000000005
[   24.598304][  T545] RBP: 00007ffee6d78e20 R08: 0000000000000000 R09: 0000000000000000
[   24.598493][  T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.598685][  T545] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee6d79590
| [   24.601219][  T545] ------------[ cut here ]------------
| [   24.601348][  T545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/545
| [   24.601575][  T545] Modules linked in:
| [   24.601948][  T545] Tainted: [W]=WARN
[   24.602046][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.602209][  T545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.602374][  T545] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.602839][  T545] RSP: 0018:ffa00000019d6fc0 EFLAGS: 00010286
[   24.603006][  T545] RAX: 00000000ffffffa6 RBX: ff1100000c0ea040 RCX: 1ff400000033adbe
[   24.603197][  T545] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0ea0fc
[   24.603387][  T545] RBP: ff1100000f161000 R08: 1fe220000181d421 R09: ff1100000f0bae58
[   24.603580][  T545] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.603774][  T545] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d18f850
[   24.603972][  T545] FS:  00007f4792bcf840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.604195][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.604357][  T545] CR2: 0000000037357988 CR3: 000000001052f002 CR4: 0000000000771ef0
[   24.604551][  T545] PKRU: 55555554
[   24.604647][  T545] Call Trace:
[   24.604748][  T545]  <TASK>
[   24.604815][  T545]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.604949][  T545]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.605080][  T545]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.605180][  T545]  __dev_change_net_namespace (net/core/dev.c:12695)
[   24.605342][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.605470][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.605608][  T545]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.605774][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.605908][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.606038][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.606169][  T545]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.606299][  T545]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.606430][  T545]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   24.606565][  T545]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.606700][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.606861][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.606995][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.607123][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.607252][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.607381][  T545]  ? __kernel_text_address (kernel/extable.c:79)
[   24.607515][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.607646][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.607779][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.607912][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.608041][  T545]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.608170][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.608299][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.608427][  T545]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.608561][  T545]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.608689][  T545]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.608824][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.608961][  T545]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.609091][  T545]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.609222][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.609354][  T545]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.609485][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.609615][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.609751][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.609885][  T545]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.610015][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.610148][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.610277][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.610406][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.610539][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.610672][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.610806][  T545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.610940][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.611067][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.611194][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.611324][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.611453][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.611584][  T545]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.611719][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.611849][  T545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.611989][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.612120][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.612253][  T545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.612384][  T545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.612519][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.612650][  T545]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.612786][  T545]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.612924][  T545]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.613055][  T545]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.613185][  T545]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.613321][  T545]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.613482][  T545]  ? move_addr_to_kernel (net/socket.c:258)
[   24.613614][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.613752][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.613886][  T545]  ___sys_sendmsg (net/socket.c:2752)
[   24.614014][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.614176][  T545]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.614319][  T545]  __sys_sendmsg (net/socket.c:2784)
[   24.614450][  T545]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.614580][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.614746][  T545]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.614879][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.615009][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.615137][  T545]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.615267][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.615395][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.615560][  T545] RIP: 0033:0x7f4792e0908e
[   24.615694][  T545] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.616256][  T545] RSP: 002b:00007ffee6d78e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.616540][  T545] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4792e0908e
[   24.616739][  T545] RDX: 0000000000000000 RSI: 00007ffee6d78ec0 RDI: 0000000000000005
[   24.616934][  T545] RBP: 00007ffee6d78e20 R08: 0000000000000000 R09: 0000000000000000
[   24.617214][  T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.617405][  T545] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee6d79590
| [   24.619625][  T545] ------------[ cut here ]------------
| [   24.619760][  T545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/545
| [   24.620078][  T545] Modules linked in:
| [   24.620436][  T545] Tainted: [W]=WARN
[   24.620536][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.620789][  T545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.621227][  T545] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.621689][  T545] RSP: 0018:ffa00000019d7038 EFLAGS: 00010286
[   24.621858][  T545] RAX: 00000000ffffffa6 RBX: ff1100000c0ea3c0 RCX: 1ff400000033adcd
[   24.622056][  T545] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0ea47c
[   24.622248][  T545] RBP: ff1100000f161000 R08: 1fe220000181d491 R09: ff1100000f0bae58
[   24.622441][  T545] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   24.622635][  T545] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   24.622837][  T545] FS:  00007f4792bcf840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.623067][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.623313][  T545] CR2: 0000000037357988 CR3: 000000001052f002 CR4: 0000000000771ef0
[   24.623513][  T545] PKRU: 55555554
[   24.623611][  T545] Call Trace:
[   24.623712][  T545]  <TASK>
[   24.623779][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.624001][  T545]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   24.624132][  T545]  notifier_call_chain (kernel/notifier.c:85)
[   24.624264][  T545]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   24.624394][  T545]  ? default_device_exit_batch (net/core/dev.c:13091)
[   24.624648][  T545]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   24.624816][  T545]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.624953][  T545]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.625169][  T545]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   24.625303][  T545]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.625434][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.625597][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.625814][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.625946][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.626075][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.626206][  T545]  ? __kernel_text_address (kernel/extable.c:79)
[   24.626420][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.626553][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.626681][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.626832][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.626971][  T545]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.627101][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.627230][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.627359][  T545]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.627490][  T545]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.627623][  T545]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.627758][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.627894][  T545]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.628106][  T545]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.628238][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.628371][  T545]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.628500][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.628721][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.628848][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.628984][  T545]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.629112][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.629328][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.629458][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.629589][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.629724][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.629945][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.630074][  T545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.630203][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.630331][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.630547][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.630677][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.630810][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.630945][  T545]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.631158][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.631287][  T545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.631419][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.631549][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.631770][  T545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.631906][  T545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.632035][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.632166][  T545]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.632379][  T545]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.632512][  T545]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.632645][  T545]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.632779][  T545]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.632999][  T545]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.633158][  T545]  ? move_addr_to_kernel (net/socket.c:258)
[   24.633290][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.633417][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.633635][  T545]  ___sys_sendmsg (net/socket.c:2752)
[   24.633768][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.633932][  T545]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.634161][  T545]  __sys_sendmsg (net/socket.c:2784)
[   24.634289][  T545]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.634416][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.634583][  T545]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.634803][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.634944][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.635073][  T545]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.635202][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.635416][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.635581][  T545] RIP: 0033:0x7f4792e0908e
[   24.635719][  T545] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.636183][  T545] RSP: 002b:00007ffee6d78e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.636379][  T545] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4792e0908e
[   24.636661][  T545] RDX: 0000000000000000 RSI: 00007ffee6d78ec0 RDI: 0000000000000005
[   24.636857][  T545] RBP: 00007ffee6d78e20 R08: 0000000000000000 R09: 0000000000000000
[   24.637140][  T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.637337][  T545] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee6d79590
| [   24.639840][  T545] ------------[ cut here ]------------
| [   24.639975][  T545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/545
| [   24.640282][  T545] Modules linked in:
| [   24.640645][  T545] Tainted: [W]=WARN
[   24.640836][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.641005][  T545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.641174][  T545] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.641734][  T545] RSP: 0018:ffa00000019d7020 EFLAGS: 00010286
[   24.641903][  T545] RAX: 00000000ffffffa6 RBX: ff1100000c0eac80 RCX: 1ff400000033adca
[   24.642099][  T545] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0ead3c
[   24.642294][  T545] RBP: ff1100000f161000 R08: 1fe220000181d5a9 R09: ff1100000f0bae58
[   24.642579][  T545] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.642776][  T545] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.642978][  T545] FS:  00007f4792bcf840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.643292][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.643453][  T545] CR2: 0000000037357988 CR3: 000000001052f002 CR4: 0000000000771ef0
[   24.643650][  T545] PKRU: 55555554
[   24.643839][  T545] Call Trace:
[   24.643940][  T545]  <TASK>
[   24.644009][  T545]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.644140][  T545]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.644238][  T545]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.644454][  T545]  __dev_notify_flags (net/core/dev.c:9787)
[   24.644585][  T545]  ? netif_change_name (net/core/dev.c:1495)
[   24.644720][  T545]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.644850][  T545]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.644987][  T545]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   24.645149][  T545]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.645281][  T545]  netif_change_flags (net/core/dev.c:9820)
[   24.645413][  T545]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.645636][  T545]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.645773][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.645940][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.646157][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.646288][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.646416][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.646549][  T545]  ? __kernel_text_address (kernel/extable.c:79)
[   24.646769][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.646906][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.647038][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.647167][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.647381][  T545]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.647514][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.647646][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.647780][  T545]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.647917][  T545]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.648047][  T545]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.648180][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.648311][  T545]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.648526][  T545]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.648659][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.648797][  T545]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.648935][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.649151][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.649282][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.649413][  T545]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.649545][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.649766][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.649901][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.650030][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.650160][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.650377][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.650513][  T545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.650644][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.650778][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.650913][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.651044][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.651173][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.651303][  T545]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.651519][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.651651][  T545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.651790][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.651925][  T545]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.652141][  T545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.652273][  T545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.652404][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.652539][  T545]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.652761][  T545]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.652900][  T545]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.653032][  T545]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.653161][  T545]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.653378][  T545]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.653543][  T545]  ? move_addr_to_kernel (net/socket.c:258)
[   24.653675][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.653809][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.653951][  T545]  ___sys_sendmsg (net/socket.c:2752)
[   24.654080][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.654242][  T545]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.654385][  T545]  __sys_sendmsg (net/socket.c:2784)
[   24.654607][  T545]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.654741][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.654917][  T545]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.655048][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.655264][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.655397][  T545]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.655532][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.655663][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.655917][  T545] RIP: 0033:0x7f4792e0908e
[   24.656052][  T545] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.656608][  T545] RSP: 002b:00007ffee6d78e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.656806][  T545] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4792e0908e
[   24.657095][  T545] RDX: 0000000000000000 RSI: 00007ffee6d78ec0 RDI: 0000000000000005
[   24.657290][  T545] RBP: 00007ffee6d78e20 R08: 0000000000000000 R09: 0000000000000000
[   24.657484][  T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.657771][  T545] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee6d79590
| [   24.743190][  T548] ------------[ cut here ]------------
| [   24.743338][  T548] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/548
| [   24.743574][  T548] Modules linked in:
| [   24.743952][  T548] Tainted: [W]=WARN
[   24.744060][  T548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.744222][  T548] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.744392][  T548] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.744901][  T548] RSP: 0018:ffa0000001a07020 EFLAGS: 00010286
[   24.745065][  T548] RAX: 00000000ffffffa6 RBX: ff11000009a011c0 RCX: 1ff4000000340dca
[   24.745259][  T548] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0127c
[   24.745454][  T548] RBP: ff1100001241c000 R08: 1fe2200001340251 R09: ff1100000fc30b58
[   24.745650][  T548] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.745848][  T548] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.746053][  T548] FS:  00007f90d4580840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.746281][  T548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.746445][  T548] CR2: 00007f90d48501a0 CR3: 000000001052f004 CR4: 0000000000771ef0
[   24.746648][  T548] PKRU: 55555554
[   24.746753][  T548] Call Trace:
[   24.746850][  T548]  <TASK>
[   24.746923][  T548]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.747057][  T548]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.747157][  T548]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.747287][  T548]  __dev_notify_flags (net/core/dev.c:9787)
[   24.747419][  T548]  ? netif_change_name (net/core/dev.c:1495)
[   24.747552][  T548]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.747684][  T548]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.747820][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.747956][  T548]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.748090][  T548]  netif_change_flags (net/core/dev.c:9820)
[   24.748223][  T548]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.748356][  T548]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.748489][  T548]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.748627][  T548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.748795][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.748934][  T548]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.749064][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.749194][  T548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.749326][  T548]  ? __kernel_text_address (kernel/extable.c:79)
[   24.749458][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.749593][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.749732][  T548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.749863][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.750001][  T548]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.750132][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.750263][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.750395][  T548]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.750532][  T548]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.750664][  T548]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.750800][  T548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.750939][  T548]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.751072][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.751207][  T548]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.751340][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.751470][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.751606][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.751741][  T548]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.751875][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.752009][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.752140][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.752269][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.752401][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.752536][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.752669][  T548]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.752807][  T548]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.752943][  T548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.753074][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.753207][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.753338][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.753471][  T548]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.753607][  T548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.753744][  T548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.753883][  T548]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.754014][  T548]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.754148][  T548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.754280][  T548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.754410][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.754545][  T548]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.754677][  T548]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.754815][  T548]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.754952][  T548]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.755082][  T548]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.755212][  T548]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.755374][  T548]  ? move_addr_to_kernel (net/socket.c:258)
[   24.755509][  T548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.755642][  T548]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.755776][  T548]  ___sys_sendmsg (net/socket.c:2752)
[   24.755912][  T548]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.756075][  T548]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.756220][  T548]  __sys_sendmsg (net/socket.c:2784)
[   24.756351][  T548]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.756481][  T548]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.756647][  T548]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.756783][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.756923][  T548]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.757054][  T548]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.757184][  T548]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.757317][  T548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.757480][  T548] RIP: 0033:0x7f90d47ba08e
[   24.757620][  T548] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.758094][  T548] RSP: 002b:00007ffd4f9be900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.758291][  T548] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f90d47ba08e
[   24.758487][  T548] RDX: 0000000000000000 RSI: 00007ffd4f9be9b0 RDI: 0000000000000005
[   24.758683][  T548] RBP: 00007ffd4f9be910 R08: 0000000000000000 R09: 0000000000000000
[   24.758887][  T548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd04
[   24.759081][  T548] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4f9bf080
| [   24.761497][   T36] ------------[ cut here ]------------
| [   24.761632][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   24.761953][   T36] Modules linked in:
| [   24.762313][   T36] Tainted: [W]=WARN
[   24.762402][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.762549][   T36] Workqueue: events_unbound linkwatch_event
[   24.762707][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.762862][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.763297][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   24.763445][   T36] RAX: 00000000ffffffa6 RBX: ff110000105f3a80 RCX: 1ff4000000051f02
[   24.763624][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f3b3c
[   24.763807][   T36] RBP: ff1100001241c000 R08: 1fe22000020be769 R09: ff11000001d751a8
[   24.763998][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   24.764177][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.764354][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   24.764564][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.764716][   T36] CR2: 00007f1d14b5a574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   24.764899][   T36] PKRU: 55555554
[   24.764988][   T36] Call Trace:
[   24.765075][   T36]  <TASK>
[   24.765137][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.765256][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.765374][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.765466][   T36]  netif_state_change (net/core/dev.c:1605)
[   24.765587][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.765742][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.765862][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.765985][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.766105][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.766222][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.766340][   T36]  process_one_work (kernel/workqueue.c:3314)
[   24.766461][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.766579][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.766710][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.766831][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.766954][   T36]  kthread (kernel/kthread.c:436)
[   24.767043][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.767186][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.767303][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.767421][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.767569][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.767686][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.767811][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.770288][   T36] ------------[ cut here ]------------
| [   24.770420][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   24.770660][   T36] Modules linked in:
| [   24.771034][   T36] Tainted: [W]=WARN
[   24.771124][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.771272][   T36] Workqueue: events_unbound linkwatch_event
[   24.771426][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.771582][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.772017][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   24.772167][   T36] RAX: 00000000ffffffa6 RBX: ff110000105f31c0 RCX: 1ff4000000051f02
[   24.772342][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f327c
[   24.772518][   T36] RBP: ff110000100d4000 R08: 1fe22000020be651 R09: ff11000001d751a8
[   24.772694][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.772891][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.773068][   T36] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   24.773283][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.773430][   T36] CR2: 00007fb5998ba574 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   24.773609][   T36] PKRU: 55555554
[   24.773702][   T36] Call Trace:
[   24.773790][   T36]  <TASK>
[   24.773851][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.773977][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.774094][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.774189][   T36]  netif_state_change (net/core/dev.c:1605)
[   24.774307][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.774454][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.774572][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.774693][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.774820][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.774940][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.775059][   T36]  process_one_work (kernel/workqueue.c:3314)
[   24.775180][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.775296][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.775420][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.775544][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.775663][   T36]  kthread (kernel/kthread.c:436)
[   24.775760][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.775908][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.776025][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.776144][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.776289][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.776406][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.776525][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.914484][  T553] ------------[ cut here ]------------
| [   24.914634][  T553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/553
| [   24.915390][  T553] Modules linked in:
| [   24.915777][  T553] Tainted: [W]=WARN
[   24.915881][  T553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.916044][  T553] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.916213][  T553] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.916680][  T553] RSP: 0018:ffa0000001a27020 EFLAGS: 00010286
[   24.916848][  T553] RAX: 00000000ffffffa6 RBX: ff1100000caa0e40 RCX: 1ff4000000344dca
[   24.917049][  T553] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0efc
[   24.917244][  T553] RBP: ff11000010871000 R08: 1fe22000019541e1 R09: ff11000009abae58
[   24.917439][  T553] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   24.917637][  T553] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.917836][  T553] FS:  00007f82f47c3840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   24.918069][  T553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.918232][  T553] CR2: 000000001fede988 CR3: 000000000e699003 CR4: 0000000000771ef0
[   24.918429][  T553] PKRU: 55555554
[   24.918531][  T553] Call Trace:
[   24.918628][  T553]  <TASK>
[   24.918695][  T553]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.918835][  T553]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.918940][  T553]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.919070][  T553]  __dev_notify_flags (net/core/dev.c:9787)
[   24.919200][  T553]  ? netif_change_name (net/core/dev.c:1495)
[   24.919332][  T553]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.919463][  T553]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.919596][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.919734][  T553]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   24.919865][  T553]  netif_change_flags (net/core/dev.c:9820)
[   24.920003][  T553]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.920136][  T553]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.920269][  T553]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.920401][  T553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.920569][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.920707][  T553]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.920838][  T553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.920975][  T553]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.921107][  T553]  ? __kernel_text_address (kernel/extable.c:79)
[   24.921237][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.921370][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.921500][  T553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.921639][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.921775][  T553]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.921911][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.922042][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.922171][  T553]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.922305][  T553]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   24.922438][  T553]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.922573][  T553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.922711][  T553]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.922844][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.922980][  T553]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.923112][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.923241][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.923370][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.923498][  T553]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.923632][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.923769][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.923903][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.924032][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.924163][  T553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.924294][  T553]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.924426][  T553]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.924561][  T553]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.924691][  T553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.924827][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.924965][  T553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.925095][  T553]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.925226][  T553]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.925356][  T553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.925486][  T553]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.925620][  T553]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.925756][  T553]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.925894][  T553]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.926026][  T553]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.926156][  T553]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.926288][  T553]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.926422][  T553]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.926553][  T553]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.926687][  T553]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.926823][  T553]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.926958][  T553]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.927121][  T553]  ? move_addr_to_kernel (net/socket.c:258)
[   24.927253][  T553]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.927384][  T553]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.927519][  T553]  ___sys_sendmsg (net/socket.c:2752)
[   24.927650][  T553]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.927817][  T553]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.927964][  T553]  __sys_sendmsg (net/socket.c:2784)
[   24.928093][  T553]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.928225][  T553]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.928391][  T553]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.928526][  T553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.928657][  T553]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.928791][  T553]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.928927][  T553]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.929057][  T553]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.929218][  T553] RIP: 0033:0x7f82f49fd08e
[   24.929353][  T553] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.929827][  T553] RSP: 002b:00007ffea1afd3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.930026][  T553] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f82f49fd08e
[   24.930220][  T553] RDX: 0000000000000000 RSI: 00007ffea1afd450 RDI: 0000000000000005
[   24.930416][  T553] RBP: 00007ffea1afd3b0 R08: 0000000000000000 R09: 0000000000000000
[   24.930614][  T553] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd05
[   24.930814][  T553] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea1afdb20
| [   24.933215][   T71] ------------[ cut here ]------------
| [   24.933344][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/71
| [   24.933579][   T71] Modules linked in:
| [   24.933956][   T71] Tainted: [W]=WARN
[   24.934048][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.934195][   T71] Workqueue: events_unbound linkwatch_event
[   24.934349][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.934503][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.934950][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   24.935107][   T71] RAX: 00000000ffffffa6 RBX: ff110000105f2740 RCX: 1ff4000000098f02
[   24.935290][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f27fc
[   24.935466][   T71] RBP: ff1100000f161000 R08: 1fe22000020be501 R09: ff11000009d32ea8
[   24.935643][   T71] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   24.935823][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.936044][   T71] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   24.936250][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.936399][   T71] CR2: 00007f1d14b5a574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   24.936582][   T71] PKRU: 55555554
[   24.936669][   T71] Call Trace:
[   24.936762][   T71]  <TASK>
[   24.936825][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.936950][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.937073][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.937164][   T71]  netif_state_change (net/core/dev.c:1605)
[   24.937284][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.937433][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.937551][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.937669][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.937795][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.937923][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.938041][   T71]  process_one_work (kernel/workqueue.c:3314)
[   24.938162][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.938280][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.938401][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.938520][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.938639][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   24.938762][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.938882][   T71]  kthread (kernel/kthread.c:436)
[   24.938970][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.939119][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.939237][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.939355][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.939501][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.939625][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.939749][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.969047][  T554] ------------[ cut here ]------------
| [   24.969188][  T554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/554
| [   24.969411][  T554] Modules linked in:
| [   24.969804][  T554] Tainted: [W]=WARN
[   24.969915][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.970076][  T554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.970249][  T554] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.971004][  T554] RSP: 0018:ffa0000001a37150 EFLAGS: 00010286
[   24.971168][  T554] RAX: 00000000ffffffa6 RBX: ff1100000909da80 RCX: 1ff4000000346df0
[   24.971359][  T554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909db3c
[   24.971552][  T554] RBP: ff11000010871000 R08: 1fe2200001213b69 R09: ff11000009ab8b58
[   24.971749][  T554] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   24.971943][  T554] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2f1c40
[   24.972136][  T554] FS:  00007fbeb72ac840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   24.972363][  T554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.972527][  T554] CR2: 00000000004eba70 CR3: 000000000ed60002 CR4: 0000000000771ef0
[   24.972725][  T554] PKRU: 55555554
[   24.972821][  T554] Call Trace:
[   24.972977][  T554]  <TASK>
[   24.973043][  T554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.973177][  T554]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.973305][  T554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.973404][  T554]  netif_state_change (net/core/dev.c:1605)
[   24.973537][  T554]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.973704][  T554]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   24.973863][  T554]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   24.974014][  T554]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   24.974144][  T554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.974272][  T554]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.974401][  T554]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   24.974537][  T554]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.974666][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.974800][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.974951][  T554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.975079][  T554]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.975206][  T554]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.975334][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.975461][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.975596][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.975735][  T554]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   24.975862][  T554]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.975994][  T554]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.976138][  T554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.976264][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.976393][  T554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.976520][  T554]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.976647][  T554]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.976781][  T554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.976914][  T554]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.977046][  T554]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.977172][  T554]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.977302][  T554]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.977431][  T554]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.977564][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.977694][  T554]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.977830][  T554]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.977964][  T554]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.978093][  T554]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.978221][  T554]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.978349][  T554]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.978507][  T554]  ? move_addr_to_kernel (net/socket.c:258)
[   24.978635][  T554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.978770][  T554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.978932][  T554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.979059][  T554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.979218][  T554]  ___sys_sendmsg (net/socket.c:2752)
[   24.979347][  T554]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.979475][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.979616][  T554]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   24.979746][  T554]  ? do_getsockname (net/socket.c:2192)
[   24.979880][  T554]  __sys_sendmsg (net/socket.c:2784)
[   24.980009][  T554]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.980139][  T554]  ? __sys_getsockname (net/socket.c:2210)
[   24.980265][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.980394][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.980525][  T554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.980653][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.980787][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.980954][  T554] RIP: 0033:0x7fbeb74e608e
[   24.981089][  T554] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.981549][  T554] RSP: 002b:00007ffcb479dd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.981750][  T554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbeb74e608e
[   24.981949][  T554] RDX: 0000000000000000 RSI: 00007ffcb479de30 RDI: 0000000000000006
[   24.982138][  T554] RBP: 00007ffcb479dd90 R08: 0000000000000000 R09: 0000000000000000
[   24.982328][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd05
[   24.982521][  T554] R13: 00007ffcb479dee0 R14: 00007ffcb47a284c R15: 0000000000000000
| [   25.144356][  T560] ------------[ cut here ]------------
| [   25.144506][  T560] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/560
| [   25.144740][  T560] Modules linked in:
| [   25.145626][  T560] Tainted: [W]=WARN
[   25.145732][  T560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.145958][  T560] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.146187][  T560] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.146661][  T560] RSP: 0018:ffa0000001a871b0 EFLAGS: 00010286
[   25.146834][  T560] RAX: 00000000ffffffa6 RBX: ff1100000fc4ae40 RCX: 1ff4000000350dfc
[   25.147088][  T560] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4aefc
[   25.147284][  T560] RBP: ff110000103f4000 R08: 1fe2200001f895e1 R09: ff1100000e680b80
[   25.147479][  T560] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.147679][  T560] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   25.147961][  T560] FS:  00007f10f4a0c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   25.148191][  T560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.148355][  T560] CR2: 00000000004a2860 CR3: 000000000e699002 CR4: 0000000000771ef0
[   25.148554][  T560] PKRU: 55555554
[   25.148654][  T560] Call Trace:
[   25.148759][  T560]  <TASK>
[   25.148829][  T560]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.149040][  T560]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.149141][  T560]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   25.149275][  T560]  __dev_notify_flags (net/core/dev.c:9787)
[   25.149409][  T560]  ? netif_change_name (net/core/dev.c:1495)
[   25.149545][  T560]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   25.149681][  T560]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   25.149819][  T560]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.150046][  T560]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   25.150180][  T560]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.150312][  T560]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.150445][  T560]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   25.150582][  T560]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.150721][  T560]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.150852][  T560]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.151061][  T560]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.151200][  T560]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.151336][  T560]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.151471][  T560]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.151608][  T560]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.151745][  T560]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.151962][  T560]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.152094][  T560]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.152230][  T560]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.152363][  T560]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.152496][  T560]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.152631][  T560]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.152767][  T560]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.152973][  T560]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.153108][  T560]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.153239][  T560]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.153371][  T560]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.153505][  T560]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.153641][  T560]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.153781][  T560]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.153963][  T560]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.154099][  T560]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.154233][  T560]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.154365][  T560]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.154497][  T560]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.154634][  T560]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.154771][  T560]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.154958][  T560]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.155090][  T560]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.155221][  T560]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.155383][  T560]  ? move_addr_to_kernel (net/socket.c:258)
[   25.155522][  T560]  ___sys_sendmsg (net/socket.c:2752)
[   25.155654][  T560]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.155795][  T560]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.156019][  T560]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   25.156154][  T560]  __sys_sendmsg (net/socket.c:2784)
[   25.156285][  T560]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.156421][  T560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.156555][  T560]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.156685][  T560]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.156822][  T560]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.157008][  T560]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.157170][  T560] RIP: 0033:0x7f10f4c4608e
[   25.157308][  T560] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.157781][  T560] RSP: 002b:00007fff56f01090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.158019][  T560] RAX: ffffffffffffffda RBX: 00007fff56f01838 RCX: 00007f10f4c4608e
[   25.158216][  T560] RDX: 0000000000000000 RSI: 00007fff56f01140 RDI: 0000000000000005
[   25.158412][  T560] RBP: 00007fff56f010a0 R08: 0000000000000000 R09: 0000000000000000
[   25.158612][  T560] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd05
[   25.158812][  T560] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff56f01810
| [   25.196344][  T561] ------------[ cut here ]------------
| [   25.196491][  T561] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/561
| [   25.196737][  T561] Modules linked in:
| [   25.197105][  T561] Tainted: [W]=WARN
[   25.197203][  T561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.197366][  T561] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.197541][  T561] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.198013][  T561] RSP: 0018:ffa0000001a97020 EFLAGS: 00010286
[   25.198176][  T561] RAX: 00000000ffffffa6 RBX: ff1100000b727540 RCX: 1ff4000000352dca
[   25.198369][  T561] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7275fc
[   25.198567][  T561] RBP: ff110000103f4000 R08: 1fe22000016e4ec1 R09: ff11000010275158
[   25.198767][  T561] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   25.198968][  T561] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.199161][  T561] FS:  00007f4895945840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   25.199387][  T561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.199553][  T561] CR2: 0000000015837988 CR3: 000000000d0b0006 CR4: 0000000000771ef0
[   25.199754][  T561] PKRU: 55555554
[   25.199851][  T561] Call Trace:
[   25.199955][  T561]  <TASK>
[   25.200023][  T561]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.200154][  T561]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.200252][  T561]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.200380][  T561]  __dev_notify_flags (net/core/dev.c:9787)
[   25.200515][  T561]  ? netif_change_name (net/core/dev.c:1495)
[   25.200647][  T561]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.200784][  T561]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.200921][  T561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.201053][  T561]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.201185][  T561]  netif_change_flags (net/core/dev.c:9820)
[   25.201314][  T561]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.201446][  T561]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.201584][  T561]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.201724][  T561]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.201891][  T561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.202021][  T561]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.202150][  T561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.202280][  T561]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.202409][  T561]  ? __kernel_text_address (kernel/extable.c:79)
[   25.202547][  T561]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.202681][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.202816][  T561]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.202950][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.203078][  T561]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.203207][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.203336][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.203465][  T561]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.203600][  T561]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.203734][  T561]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.203863][  T561]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.204000][  T561]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.204132][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.204264][  T561]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.204395][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.204527][  T561]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.204658][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.204795][  T561]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.204929][  T561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.205060][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.205189][  T561]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.205317][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.205445][  T561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.205578][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.205713][  T561]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.205841][  T561]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.205973][  T561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.206102][  T561]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.206232][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.206361][  T561]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.206490][  T561]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.206622][  T561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.206760][  T561]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.206897][  T561]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.207026][  T561]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.207156][  T561]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.207286][  T561]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.207414][  T561]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.207547][  T561]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.207676][  T561]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.207811][  T561]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.207956][  T561]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.208086][  T561]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.208212][  T561]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.208370][  T561]  ? move_addr_to_kernel (net/socket.c:258)
[   25.208500][  T561]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.208631][  T561]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.208769][  T561]  ___sys_sendmsg (net/socket.c:2752)
[   25.208902][  T561]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.209062][  T561]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.209203][  T561]  __sys_sendmsg (net/socket.c:2784)
[   25.209332][  T561]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.209460][  T561]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.209625][  T561]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.209762][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.209897][  T561]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.210024][  T561]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.210151][  T561]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.210278][  T561]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.210436][  T561] RIP: 0033:0x7f4895b7f08e
[   25.210575][  T561] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.211040][  T561] RSP: 002b:00007ffdad3b8a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.211235][  T561] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4895b7f08e
[   25.211425][  T561] RDX: 0000000000000000 RSI: 00007ffdad3b8ac0 RDI: 0000000000000005
[   25.211623][  T561] RBP: 00007ffdad3b8a20 R08: 0000000000000000 R09: 0000000000000000
[   25.211819][  T561] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd05
[   25.212017][  T561] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdad3b9190
| [   25.365393][  T566] ------------[ cut here ]------------
| [   25.365585][  T566] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/566
| [   25.366398][  T566] Modules linked in:
| [   25.366887][  T566] Tainted: [W]=WARN
[   25.367033][  T566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.367245][  T566] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.367464][  T566] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.368009][  T566] RSP: 0018:ffa0000001ae71b0 EFLAGS: 00010286
[   25.368223][  T566] RAX: 00000000ffffffa6 RBX: ff1100000fe90900 RCX: 1ff400000035cdfc
[   25.368468][  T566] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe909bc
[   25.368726][  T566] RBP: ff110000124bc000 R08: 1fe2200001fd2139 R09: ff110000106f0b80
[   25.368982][  T566] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.369223][  T566] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   25.369467][  T566] FS:  00007f909270b840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   25.369759][  T566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.369985][  T566] CR2: 00000000004a2860 CR3: 0000000004f15004 CR4: 0000000000771ef0
[   25.370228][  T566] PKRU: 55555554
[   25.370373][  T566] Call Trace:
[   25.370520][  T566]  <TASK>
[   25.370639][  T566]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.370834][  T566]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.370993][  T566]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.371174][  T566]  __dev_notify_flags (net/core/dev.c:9787)
[   25.371355][  T566]  ? netif_change_name (net/core/dev.c:1495)
[   25.371536][  T566]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.371724][  T566]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.371916][  T566]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.372095][  T566]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.372274][  T566]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.372456][  T566]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.372644][  T566]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   25.372832][  T566]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.373023][  T566]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.373201][  T566]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.373381][  T566]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.373572][  T566]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.373762][  T566]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.373956][  T566]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.374133][  T566]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.374311][  T566]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.374490][  T566]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.374675][  T566]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.374882][  T566]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.375063][  T566]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.375243][  T566]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.375422][  T566]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.375608][  T566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.375797][  T566]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.375987][  T566]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.376164][  T566]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.376343][  T566]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.376525][  T566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.376711][  T566]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.376907][  T566]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.377090][  T566]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.377270][  T566]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.377450][  T566]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.377636][  T566]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.377826][  T566]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.378022][  T566]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.378202][  T566]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.378382][  T566]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.378569][  T566]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.378757][  T566]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.378981][  T566]  ? move_addr_to_kernel (net/socket.c:258)
[   25.379165][  T566]  ___sys_sendmsg (net/socket.c:2752)
[   25.379345][  T566]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.379532][  T566]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.379751][  T566]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   25.379953][  T566]  __sys_sendmsg (net/socket.c:2784)
[   25.380132][  T566]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.380312][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.380493][  T566]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.380679][  T566]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.380879][  T566]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.381058][  T566]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.381268][  T566] RIP: 0033:0x7f909294508e
[   25.381452][  T566] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.381986][  T566] RSP: 002b:00007ffca0a61270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.382232][  T566] RAX: ffffffffffffffda RBX: 00007ffca0a61a18 RCX: 00007f909294508e
[   25.382474][  T566] RDX: 0000000000000000 RSI: 00007ffca0a61320 RDI: 0000000000000005
[   25.382727][  T566] RBP: 00007ffca0a61280 R08: 0000000000000000 R09: 0000000000000000
[   25.382982][  T566] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd05
[   25.383224][  T566] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca0a619f0
| [   25.411180][  T567] ------------[ cut here ]------------
| [   25.411329][  T567] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/567
| [   25.411555][  T567] Modules linked in:
| [   25.412375][  T567] Tainted: [W]=WARN
[   25.412474][  T567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.412641][  T567] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.412815][  T567] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.413283][  T567] RSP: 0018:ffa0000001af7020 EFLAGS: 00010286
[   25.413443][  T567] RAX: 00000000ffffffa6 RBX: ff1100000fe90040 RCX: 1ff400000035edca
[   25.413641][  T567] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe900fc
[   25.413842][  T567] RBP: ff110000124bc000 R08: 1fe2200001fd2021 R09: ff110000124a8b58
[   25.414040][  T567] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   25.414233][  T567] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.414428][  T567] FS:  00007f622de51840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   25.414659][  T567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.414827][  T567] CR2: 00007f622e1211a0 CR3: 000000000ed60001 CR4: 0000000000771ef0
[   25.415028][  T567] PKRU: 55555554
[   25.415125][  T567] Call Trace:
[   25.415223][  T567]  <TASK>
[   25.415289][  T567]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.415421][  T567]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.415521][  T567]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.415649][  T567]  __dev_notify_flags (net/core/dev.c:9787)
[   25.415787][  T567]  ? netif_change_name (net/core/dev.c:1495)
[   25.415922][  T567]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.416052][  T567]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.416181][  T567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.416311][  T567]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.416443][  T567]  netif_change_flags (net/core/dev.c:9820)
[   25.416578][  T567]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.416712][  T567]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.416843][  T567]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.416976][  T567]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.417141][  T567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.417269][  T567]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.417400][  T567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.417534][  T567]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.417665][  T567]  ? __kernel_text_address (kernel/extable.c:79)
[   25.417803][  T567]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.417939][  T567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.418066][  T567]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.418196][  T567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.418325][  T567]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.418452][  T567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.418584][  T567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.418716][  T567]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.418847][  T567]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.418982][  T567]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.419109][  T567]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.419240][  T567]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.419371][  T567]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.419502][  T567]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.419638][  T567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.419771][  T567]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.419908][  T567]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.420038][  T567]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.420167][  T567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.420297][  T567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.420425][  T567]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.420554][  T567]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.420684][  T567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.420823][  T567]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.420957][  T567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.421085][  T567]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.421213][  T567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.421342][  T567]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.421474][  T567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.421606][  T567]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.421743][  T567]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.421879][  T567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.422009][  T567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.422142][  T567]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.422270][  T567]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.422400][  T567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.422533][  T567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.422663][  T567]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.422800][  T567]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.422936][  T567]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.423066][  T567]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.423206][  T567]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.423335][  T567]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.423463][  T567]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.423625][  T567]  ? move_addr_to_kernel (net/socket.c:258)
[   25.423762][  T567]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.423898][  T567]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.424027][  T567]  ___sys_sendmsg (net/socket.c:2752)
[   25.424154][  T567]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.424315][  T567]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.424455][  T567]  __sys_sendmsg (net/socket.c:2784)
[   25.424586][  T567]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.424718][  T567]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.424886][  T567]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.425017][  T567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.425146][  T567]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.425275][  T567]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.425403][  T567]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.425535][  T567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.425694][  T567] RIP: 0033:0x7f622e08b08e
[   25.425834][  T567] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.426298][  T567] RSP: 002b:00007ffe81f8f9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.426492][  T567] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f622e08b08e
[   25.426689][  T567] RDX: 0000000000000000 RSI: 00007ffe81f8fa90 RDI: 0000000000000005
[   25.426892][  T567] RBP: 00007ffe81f8f9f0 R08: 0000000000000000 R09: 0000000000000000
[   25.427085][  T567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd05
[   25.427280][  T567] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe81f90160
| [   25.560113][  T572] ------------[ cut here ]------------
| [   25.560261][  T572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/572
| [   25.560488][  T572] Modules linked in:
| [   25.560860][  T572] Tainted: [W]=WARN
[   25.560964][  T572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.561122][  T572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.561287][  T572] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.561754][  T572] RSP: 0018:ffa0000001b47060 EFLAGS: 00010286
[   25.561918][  T572] RAX: 00000000ffffffa6 RBX: ff1100000d636740 RCX: 1ff4000000368dd2
[   25.562109][  T572] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6367fc
[   25.562302][  T572] RBP: ff1100000f161000 R08: 1fe2200001ac6d01 R09: ff110000124aae58
[   25.562492][  T572] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   25.562685][  T572] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   25.562885][  T572] FS:  00007f94faad4840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   25.563106][  T572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.563265][  T572] CR2: 000000000dd77988 CR3: 000000000ed60002 CR4: 0000000000771ef0
[   25.563455][  T572] PKRU: 55555554
[   25.563552][  T572] Call Trace:
[   25.563647][  T572]  <TASK>
[   25.563717][  T572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.563845][  T572]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   25.563976][  T572]  notifier_call_chain (kernel/notifier.c:85)
[   25.564107][  T572]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   25.564234][  T572]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   25.564360][  T572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.564488][  T572]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.564618][  T572]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   25.564751][  T572]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   25.564940][  T572]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.565122][  T572]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.565281][  T572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.565407][  T572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.565538][  T572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.565663][  T572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.565797][  T572]  ? __kernel_text_address (kernel/extable.c:79)
[   25.565978][  T572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.566108][  T572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.566234][  T572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.566361][  T572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.566488][  T572]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.566615][  T572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.566745][  T572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.566925][  T572]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.567053][  T572]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.567181][  T572]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.567307][  T572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.567435][  T572]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.567565][  T572]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.567694][  T572]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.567830][  T572]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.568012][  T572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.568138][  T572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.568265][  T572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.568390][  T572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.568518][  T572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.568648][  T572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.568778][  T572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.568959][  T572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.569086][  T572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.569215][  T572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.569341][  T572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.569467][  T572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.569596][  T572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.569729][  T572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.569858][  T572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.570060][  T572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.570188][  T572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.570321][  T572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.570447][  T572]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.570581][  T572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.570711][  T572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.570840][  T572]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.571043][  T572]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.571169][  T572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.571299][  T572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.571426][  T572]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.571558][  T572]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.571686][  T572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.571818][  T572]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.572028][  T572]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.572188][  T572]  ? move_addr_to_kernel (net/socket.c:258)
[   25.572316][  T572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.572444][  T572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.572576][  T572]  ___sys_sendmsg (net/socket.c:2752)
[   25.572711][  T572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.572954][  T572]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.573093][  T572]  __sys_sendmsg (net/socket.c:2784)
[   25.573220][  T572]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.573345][  T572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.573507][  T572]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.573636][  T572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.573771][  T572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.573974][  T572]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.574101][  T572]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.574230][  T572]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.574387][  T572] RIP: 0033:0x7f94fad0e08e
[   25.574525][  T572] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.575064][  T572] RSP: 002b:00007ffe60797a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.575254][  T572] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f94fad0e08e
[   25.575443][  T572] RDX: 0000000000000000 RSI: 00007ffe60797ad0 RDI: 0000000000000005
[   25.575638][  T572] RBP: 00007ffe60797a30 R08: 0000000000000000 R09: 0000000000000000
[   25.575832][  T572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd05
[   25.576091][  T572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe607981a0
| [   27.230956][   T12] ------------[ cut here ]------------
| [   27.231119][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.231355][   T12] Modules linked in:
| [   27.231729][   T12] Tainted: [W]=WARN
[   27.231819][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.231982][   T12] Workqueue: netns cleanup_net
[   27.232108][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.232264][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.232689][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.232846][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e441c40 RCX: 1ff4000000018eed
[   27.233026][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e441cfc
[   27.233200][   T12] RBP: ff110000089c9000 R08: 1fe2200001c883a1 R09: ff11000001aed1d0
[   27.233379][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.233558][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.233750][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.233961][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.234107][   T12] CR2: 00007f29fd21c574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.234282][   T12] PKRU: 55555554
[   27.234369][   T12] Call Trace:
[   27.234455][   T12]  <TASK>
[   27.234519][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.234675][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.234902][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.235019][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.235137][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.235256][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.235443][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.235563][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.235680][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.235800][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.235989][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.236106][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.236223][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.236338][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.236526][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.236648][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.236768][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.236959][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.237077][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.237195][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.237313][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.237431][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.237620][   T12]  kthread (kernel/kthread.c:436)
[   27.237711][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.237856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.238042][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.238159][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.238301][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.238416][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.238604][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.240981][   T12] ------------[ cut here ]------------
| [   27.241107][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.241329][   T12] Modules linked in:
| [   27.241773][   T12] Tainted: [W]=WARN
[   27.241859][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.242088][   T12] Workqueue: netns cleanup_net
[   27.242207][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.242356][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.242771][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.242923][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962200 RCX: 1ff4000000018eed
[   27.243095][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9622bc
[   27.243409][   T12] RBP: ff1100000a394000 R08: 1fe220000172c459 R09: ff11000001aed1d0
[   27.243584][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.243833][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.244079][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.244282][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.244428][   T12] CR2: 00007f29fd21c574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.244603][   T12] PKRU: 55555554
[   27.244766][   T12] Call Trace:
[   27.244851][   T12]  <TASK>
[   27.244915][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.245061][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.245202][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.245386][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.245501][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.245621][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.245811][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.245930][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.246116][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.246233][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.246346][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.246462][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.246582][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.246697][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.246818][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.246938][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.247121][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.247240][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.247359][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.247473][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.247596][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.247791][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.247908][   T12]  kthread (kernel/kthread.c:436)
[   27.247995][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.248207][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.248322][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.248436][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.248583][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.248699][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.248818][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.251371][   T12] ------------[ cut here ]------------
| [   27.251484][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.251728][   T12] Modules linked in:
| [   27.252152][   T12] Tainted: [W]=WARN
[   27.252241][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.252458][   T12] Workqueue: netns cleanup_net
[   27.252580][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.252736][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.253347][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.253494][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16b000 RCX: 1ff4000000018eed
[   27.253669][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b0bc
[   27.253845][   T12] RBP: ff11000010921000 R08: 1fe220000142d619 R09: ff11000001aed1d0
[   27.254060][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.254231][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.254408][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.254611][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.254757][   T12] CR2: 00007f29fd21c574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.254976][   T12] PKRU: 55555554
[   27.255062][   T12] Call Trace:
[   27.255147][   T12]  <TASK>
[   27.255207][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.255399][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.255546][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.255663][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.255783][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.255946][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.256062][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.256178][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.256294][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.256414][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.256531][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.256648][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.256771][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.256932][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.257045][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.257160][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.257278][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.257395][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.257517][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.257634][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.257757][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.257922][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.258035][   T12]  kthread (kernel/kthread.c:436)
[   27.258122][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.258264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.258379][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.258493][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.258641][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.258762][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.258921][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.262883][   T12] ------------[ cut here ]------------
| [   27.263044][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.263317][   T12] Modules linked in:
| [   27.263782][   T12] Tainted: [W]=WARN
[   27.263933][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.264121][   T12] Workqueue: netns cleanup_net
[   27.264287][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.264486][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.264968][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.265161][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16ba80 RCX: 1ff4000000018eed
[   27.265378][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bb3c
[   27.265600][   T12] RBP: ff1100000b4d4000 R08: 1fe220000142d769 R09: ff11000001aed1d0
[   27.265829][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.266071][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.266290][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.266571][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.266775][   T12] CR2: 00007ffe7d91b9d8 CR3: 00000000106cc002 CR4: 0000000000771ef0
[   27.267004][   T12] PKRU: 55555554
[   27.267136][   T12] Call Trace:
[   27.267269][   T12]  <TASK>
[   27.267374][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.267577][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.267783][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.267963][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.268127][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.268291][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.268521][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.268689][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.268860][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.269036][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.269224][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.269390][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.269562][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.269732][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.269905][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.270069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.270231][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.270395][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.270570][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.270739][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.270949][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.271116][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.271277][   T12]  kthread (kernel/kthread.c:436)
[   27.271411][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.271610][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.271781][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.271961][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.272151][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.272313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.272475][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.274836][   T12] ------------[ cut here ]------------
| [   27.275011][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.275280][   T12] Modules linked in:
| [   27.275757][   T12] Tainted: [W]=WARN
[   27.275964][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.276227][   T12] Workqueue: netns cleanup_net
[   27.276464][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.276740][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.277281][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.277545][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16a040 RCX: 1ff4000000018eed
[   27.277838][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a0fc
[   27.278214][   T12] RBP: ff11000001ecc000 R08: 1fe220000142d421 R09: ff11000001aed1d0
[   27.278527][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.278837][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.279151][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.279484][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.279771][   T12] CR2: 00007ffe7d91b9d8 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   27.280084][   T12] PKRU: 55555554
[   27.280275][   T12] Call Trace:
[   27.280493][   T12]  <TASK>
[   27.280690][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.280994][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.281268][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.281494][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.281662][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.281833][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.282008][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.282171][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.282334][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.282495][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.282663][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.282835][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.283010][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.283176][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.283335][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.283498][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.283668][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.283838][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.284013][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.284174][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.284339][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.284505][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.284673][   T12]  kthread (kernel/kthread.c:436)
[   27.284840][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.285045][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.285211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.285377][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.285575][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.285744][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.285917][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.303055][   T12] ------------[ cut here ]------------
| [   27.303224][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.303508][   T12] Modules linked in:
| [   27.304363][   T12] Tainted: [W]=WARN
[   27.304512][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.304721][   T12] Workqueue: netns cleanup_net
[   27.304912][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.305119][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.305630][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.305838][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbe31c0 RCX: 1ff4000000018eaf
[   27.306079][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe327c
[   27.306305][   T12] RBP: ff1100001241c000 R08: 1fe220000177c651 R09: ff11000001aed1d0
[   27.306533][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.306768][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100d4000
[   27.307007][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.307268][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.307466][   T12] CR2: 00007ffe7d91b9d8 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   27.307703][   T12] PKRU: 55555554
[   27.307849][   T12] Call Trace:
[   27.307998][   T12]  <TASK>
[   27.308107][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.308278][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.308422][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.308598][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.308773][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.308955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.309123][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.309291][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.309490][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.309695][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.309884][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.310084][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.310252][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.310419][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.310625][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.310804][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.310991][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.311159][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.311333][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.311502][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.311680][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.311880][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.312048][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.312217][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.312386][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.312564][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.312743][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.312928][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.313096][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.313265][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.313438][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.313614][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.313795][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.313983][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.314154][   T12]  kthread (kernel/kthread.c:436)
[   27.314292][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.314489][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.314662][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.314841][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.315058][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.315228][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.315399][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.318436][   T12] ------------[ cut here ]------------
| [   27.318612][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.319237][   T12] Modules linked in:
| [   27.319816][   T12] Tainted: [W]=WARN
[   27.320025][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.320273][   T12] Workqueue: netns cleanup_net
[   27.320494][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.320761][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.321306][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.321577][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31aac0 RCX: 1ff4000000018eaf
[   27.321857][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31ab7c
[   27.322138][   T12] RBP: ff110000100d4000 R08: 1fe2200001a63571 R09: ff11000001aed1d0
[   27.322361][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.322597][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000108b1000
[   27.322837][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.323109][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.323308][   T12] CR2: 00007ffe7d91b9d8 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   27.323544][   T12] PKRU: 55555554
[   27.323681][   T12] Call Trace:
[   27.323826][   T12]  <TASK>
[   27.323949][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.324117][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.324287][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.324426][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.324603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.324780][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.324992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.325171][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.325340][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.325540][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.325752][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.325935][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.326131][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.326302][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.326470][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.326677][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.326854][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.327036][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.327207][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.327376][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.327555][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.327731][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.327913][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.328081][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.328249][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.328419][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.328595][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.328773][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.328958][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.329125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.329294][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.329467][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.329645][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.329825][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.330016][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.330184][   T12]  kthread (kernel/kthread.c:436)
[   27.330401][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.330607][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.330782][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.330966][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.331164][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.331335][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.331507][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.335976][   T12] ------------[ cut here ]------------
| [   27.336114][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.336359][   T12] Modules linked in:
| [   27.336737][   T12] Tainted: [W]=WARN
[   27.336831][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.336994][   T12] Workqueue: netns cleanup_net
[   27.337120][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.337283][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.337727][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.338349][   T12] RAX: 00000000ffffffa6 RBX: ff110000053dc040 RCX: 1ff4000000018eaf
[   27.338538][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053dc0fc
[   27.338725][   T12] RBP: ff110000108b1000 R08: 1fe2200000a7b821 R09: ff11000001aed1d0
[   27.338961][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   27.339142][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   27.339325][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   27.339542][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.339697][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29004 CR4: 0000000000771ef0
[   27.339938][   T12] PKRU: 55555554
[   27.340077][   T12] Call Trace:
[   27.340172][   T12]  <TASK>
[   27.340237][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.340361][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.340483][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.340579][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.340703][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.340829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.341005][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.341127][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.341249][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.341401][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.341557][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.341683][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.341840][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.342014][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.342136][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.342288][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.342412][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.342540][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.342717][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.342840][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.343013][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.343135][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.343256][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.343376][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.343497][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.343623][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.343750][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.343922][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.344045][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.344165][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.344288][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.344412][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.344540][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.344667][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.344800][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.344972][   T12]  kthread (kernel/kthread.c:436)
[   27.345064][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.345215][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.345337][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.345459][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.345612][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.345739][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.345861][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.349772][   T12] ------------[ cut here ]------------
| [   27.350172][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.350410][   T12] Modules linked in:
| [   27.350778][   T12] Tainted: [W]=WARN
[   27.350874][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.351021][   T12] Workqueue: netns cleanup_net
[   27.351143][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.351295][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.351725][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.351885][   T12] RAX: 00000000ffffffa6 RBX: ff110000053dd1c0 RCX: 1ff4000000018ed5
[   27.352060][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053dd27c
[   27.352234][   T12] RBP: ff1100001241c000 R08: 1fe2200000a7ba51 R09: ff11000001aed1d0
[   27.352408][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.352587][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.352769][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.352986][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.353133][   T12] CR2: 00007ff7a16a27d0 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   27.353318][   T12] PKRU: 55555554
[   27.353406][   T12] Call Trace:
[   27.353494][   T12]  <TASK>
[   27.353560][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.353720][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.353872][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.353990][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.354105][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.354256][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.354377][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.354495][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.354617][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.354746][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.354864][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.354985][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.355103][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.355221][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.355338][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.355456][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.355574][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.355698][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.355822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.355947][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.356067][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.356184][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.356305][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.356427][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.356546][   T12]  kthread (kernel/kthread.c:436)
[   27.356634][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.356788][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.356909][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.357029][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.357178][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.357295][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.357414][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.360408][   T12] ------------[ cut here ]------------
| [   27.360534][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.360773][   T12] Modules linked in:
| [   27.361140][   T12] Tainted: [W]=WARN
[   27.361233][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.361381][   T12] Workqueue: netns cleanup_net
[   27.361503][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.361659][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.362088][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.362236][   T12] RAX: 00000000ffffffa6 RBX: ff110000053dde00 RCX: 1ff4000000018ed5
[   27.362411][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000053ddebc
[   27.362590][   T12] RBP: ff110000100d4000 R08: 1fe2200000a7bbd9 R09: ff11000001aed1d0
[   27.362773][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.362954][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.363131][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.363335][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.363482][   T12] CR2: 00007ff7a16a27d0 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   27.363662][   T12] PKRU: 55555554
[   27.363753][   T12] Call Trace:
[   27.363841][   T12]  <TASK>
[   27.363908][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.364060][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.364205][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.364323][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.364440][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.364593][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.364717][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.364835][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.364957][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.365075][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.365194][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.365312][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.365430][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.365549][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.365669][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.365792][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.365913][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.366032][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.366149][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.366268][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.366388][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.366509][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.366637][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.366765][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.366887][   T12]  kthread (kernel/kthread.c:436)
[   27.366976][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.367123][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.367242][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.367360][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.367508][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.367627][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.367748][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.370354][   T12] ------------[ cut here ]------------
| [   27.370477][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.370716][   T12] Modules linked in:
| [   27.371635][   T12] Tainted: [W]=WARN
[   27.371731][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.371923][   T12] Workqueue: netns cleanup_net
[   27.372091][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.372243][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.372661][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.372812][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b71c0 RCX: 1ff4000000018ed5
[   27.373035][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b727c
[   27.373207][   T12] RBP: ff110000108b1000 R08: 1fe2200001e36e51 R09: ff11000001aed1d0
[   27.373380][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.373555][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.373738][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.373991][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.374138][   T12] CR2: 00007ff7a16a27d0 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   27.374311][   T12] PKRU: 55555554
[   27.374398][   T12] Call Trace:
[   27.374484][   T12]  <TASK>
[   27.374547][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.374699][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.374849][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.375012][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.375129][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.375277][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.375395][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.375518][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.375635][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.375759][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.375923][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.376088][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.376204][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.376321][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.376440][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.376562][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.376678][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.376801][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.376967][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.377085][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.377206][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.377322][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.377442][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.377567][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.377684][   T12]  kthread (kernel/kthread.c:436)
[   27.377776][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.377971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.378089][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.378211][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.378357][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.378474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.378595][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.419758][   T12] ------------[ cut here ]------------
| [   27.419928][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   27.420160][   T12] Modules linked in:
| [   27.420521][   T12] Tainted: [W]=WARN
[   27.420608][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.420756][   T12] Workqueue: netns cleanup_net
[   27.420881][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.421030][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.421443][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.421599][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31b000 RCX: 1ff4000000018eed
[   27.421776][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b0bc
[   27.421962][   T12] RBP: ff110000101c4000 R08: 1fe2200001a63619 R09: ff11000001aed1d0
[   27.422131][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   27.422301][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.422471][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   27.422680][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.422832][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   27.423010][   T12] PKRU: 55555554
[   27.423096][   T12] Call Trace:
[   27.423182][   T12]  <TASK>
[   27.423242][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.423391][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.423536][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.423650][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.423770][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.423890][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.424005][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.424121][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.424235][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.424349][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.424463][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.424579][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.424699][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.424824][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.424957][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.425073][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.425187][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.425304][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.425425][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.425542][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.425666][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.425796][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.425920][   T12]  kthread (kernel/kthread.c:436)
[   27.426007][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.426149][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.426264][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.426379][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.426525][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.426639][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.426760][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.429606][   T12] ------------[ cut here ]------------
| [   27.429739][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   27.429979][   T12] Modules linked in:
| [   27.430331][   T12] Tainted: [W]=WARN
[   27.430419][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.430567][   T12] Workqueue: netns cleanup_net
[   27.430688][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.430842][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.431261][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.431405][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31bc40 RCX: 1ff4000000018eed
[   27.431584][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bcfc
[   27.431761][   T12] RBP: ff11000008319000 R08: 1fe2200001a637a1 R09: ff11000001aed1d0
[   27.431934][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   27.432105][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.432277][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   27.432478][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.432627][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   27.432804][   T12] PKRU: 55555554
[   27.432897][   T12] Call Trace:
[   27.432982][   T12]  <TASK>
[   27.433043][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.433190][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.433332][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.433453][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.433572][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.433687][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.433808][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.433931][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.434048][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.434163][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.434277][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.434397][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.434517][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.434633][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.434753][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.434878][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.434992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.435107][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.435227][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.435345][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.435469][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.435592][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.435711][   T12]  kthread (kernel/kthread.c:436)
[   27.435798][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.435948][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.436065][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.436179][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.436321][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.436440][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.436558][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.440839][   T12] ------------[ cut here ]------------
| [   27.440975][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   27.441201][   T12] Modules linked in:
| [   27.441566][   T12] Tainted: [W]=WARN
[   27.441654][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.441801][   T12] Workqueue: netns cleanup_net
[   27.441925][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.442149][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.442584][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.442738][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b8e40 RCX: 1ff4000000018eed
[   27.442968][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8efc
[   27.443186][   T12] RBP: ff11000007fc1000 R08: 1fe22000021371e1 R09: ff11000001aed1d0
[   27.443354][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   27.443529][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.443699][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   27.443950][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.444094][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   27.444264][   T12] PKRU: 55555554
[   27.444349][   T12] Call Trace:
[   27.444433][   T12]  <TASK>
[   27.444493][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.444644][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.444794][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.444994][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.445110][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.445222][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.445336][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.445451][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.445572][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.445688][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.445806][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.445967][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.446087][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.446206][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.446320][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.446440][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.446558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.446674][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.446801][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.446960][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.447078][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.447194][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.447312][   T12]  kthread (kernel/kthread.c:436)
[   27.447398][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.447545][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.447659][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.447778][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.447966][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.448081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.448195][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.451613][   T12] ------------[ cut here ]------------
| [   27.451741][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.451981][   T12] Modules linked in:
| [   27.452335][   T12] Tainted: [W]=WARN
[   27.452422][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.452569][   T12] Workqueue: netns cleanup_net
[   27.452689][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.452848][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.453274][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.453423][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b8200 RCX: 1ff4000000018eed
[   27.453601][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b82bc
[   27.453775][   T12] RBP: ff1100001248c000 R08: 1fe2200002137059 R09: ff11000001aed1d0
[   27.454018][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.454193][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.454366][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.454571][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.454718][   T12] CR2: 00007f315e245668 CR3: 0000000012423004 CR4: 0000000000771ef0
[   27.454901][   T12] PKRU: 55555554
[   27.454986][   T12] Call Trace:
[   27.455075][   T12]  <TASK>
[   27.455135][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.455282][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.455424][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.455542][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.455662][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.455786][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.455910][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.456026][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.456143][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.456258][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.456373][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.456488][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.456606][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.456726][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.456839][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.456961][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.457076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.457193][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.457312][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.457430][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.457551][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.457671][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.457789][   T12]  kthread (kernel/kthread.c:436)
[   27.457879][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.458021][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.458135][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.458249][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.458391][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.458506][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.458624][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.460540][   T12] ------------[ cut here ]------------
| [   27.460656][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.460891][   T12] Modules linked in:
| [   27.461244][   T12] Tainted: [W]=WARN
[   27.461330][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.461472][   T12] Workqueue: netns cleanup_net
[   27.461593][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.461746][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.462163][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.462307][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b83c0 RCX: 1ff4000000018eed
[   27.462479][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b847c
[   27.462658][   T12] RBP: ff11000010191000 R08: 1fe2200002137091 R09: ff11000001aed1d0
[   27.462831][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.463006][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.463182][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.463381][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.463528][   T12] CR2: 00007f315e245668 CR3: 0000000012423004 CR4: 0000000000771ef0
[   27.463699][   T12] PKRU: 55555554
[   27.463790][   T12] Call Trace:
[   27.463879][   T12]  <TASK>
[   27.463940][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.464088][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.464233][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.464353][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.464468][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.464586][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.464701][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.464821][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.464941][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.465058][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.465174][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.465295][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.465412][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.465531][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.465650][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.465776][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.465896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.466011][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.466130][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.466250][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.466371][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.466491][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.466610][   T12]  kthread (kernel/kthread.c:436)
[   27.466697][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.466844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.466963][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.467084][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.467227][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.467342][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.467459][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.480161][   T12] ------------[ cut here ]------------
| [   27.480293][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   27.480543][   T12] Modules linked in:
| [   27.480926][   T12] Tainted: [W]=WARN
[   27.481020][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.481174][   T12] Workqueue: netns cleanup_net
[   27.481303][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.481460][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.481911][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.482064][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b8740 RCX: 1ff4000000018eaf
[   27.482254][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b87fc
[   27.482435][   T12] RBP: ff11000010871000 R08: 1fe2200002137101 R09: ff11000001aed1d0
[   27.482623][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   27.482807][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f161000
[   27.482996][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.483209][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.483362][   T12] CR2: 00007f315e245668 CR3: 0000000012423004 CR4: 0000000000771ef0
[   27.483547][   T12] PKRU: 55555554
[   27.483641][   T12] Call Trace:
[   27.483737][   T12]  <TASK>
[   27.483802][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.483936][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.484029][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.484151][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.484272][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.484394][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.484520][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.484644][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.484801][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.484961][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.485083][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.485234][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.485356][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.485478][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.485636][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.485766][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.485895][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.486018][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.486139][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.486263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.486387][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.486512][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.486633][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.486763][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.486893][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.487015][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.487137][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.487261][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.487382][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.487512][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.487638][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.487768][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.487899][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.488024][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.488146][   T12]  kthread (kernel/kthread.c:436)
[   27.488241][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.488391][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.488518][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.488639][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.488794][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.488919][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.489040][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.491711][   T12] ------------[ cut here ]------------
| [   27.491891][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.492178][   T12] Modules linked in:
| [   27.492660][   T12] Tainted: [W]=WARN
[   27.492808][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.493029][   T12] Workqueue: netns cleanup_net
[   27.493201][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.493404][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.493905][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.494107][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04aac0 RCX: 1ff4000000018eaf
[   27.494335][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04ab7c
[   27.494568][   T12] RBP: ff1100000f161000 R08: 1fe2200001809571 R09: ff11000001aed1d0
[   27.494803][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.495042][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b19000
[   27.495271][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.495532][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.495738][   T12] CR2: 00007f96f1a66800 CR3: 0000000010013003 CR4: 0000000000771ef0
[   27.495980][   T12] PKRU: 55555554
[   27.496117][   T12] Call Trace:
[   27.496253][   T12]  <TASK>
[   27.496363][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.496534][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.496714][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.496856][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.497038][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.497204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.497373][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.497549][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.497727][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.497941][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.498140][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.498308][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.498504][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.498678][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.498852][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.499066][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.499235][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.499406][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.499583][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.499760][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.499942][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.500112][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.500281][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.500449][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.500626][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.500806][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.500993][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.501163][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.501333][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.501502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.501679][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.501859][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.502043][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.502218][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.502391][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.502565][   T12]  kthread (kernel/kthread.c:436)
[   27.502703][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.502918][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.503088][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.503258][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.503458][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.503645][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.503825][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.507230][   T12] ------------[ cut here ]------------
| [   27.507396][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.507685][   T12] Modules linked in:
| [   27.508165][   T12] Tainted: [W]=WARN
[   27.508303][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.508498][   T12] Workqueue: netns cleanup_net
[   27.508679][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.508904][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.509379][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.509587][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e440ac0 RCX: 1ff4000000018eaf
[   27.509824][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e440b7c
[   27.510061][   T12] RBP: ff11000009b19000 R08: 1fe2200001c88171 R09: ff11000001aed1d0
[   27.510289][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.510517][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   27.510752][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.511022][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.511249][   T12] CR2: 00007f96f1a66800 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.511475][   T12] PKRU: 55555554
[   27.511617][   T12] Call Trace:
[   27.511764][   T12]  <TASK>
[   27.511886][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.512056][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.512227][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.512368][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.512539][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.512714][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.512896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.513066][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.513236][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.513435][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.513644][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.513824][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.514036][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.514206][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.514374][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.514583][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.514764][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.514950][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.515150][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.515321][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.515491][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.515666][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.515842][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.516022][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.516191][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.516360][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.516531][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.516698][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.516890][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.517057][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.517226][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.517398][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.517578][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.517757][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.517945][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.518114][   T12]  kthread (kernel/kthread.c:436)
[   27.518253][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.518452][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.518627][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.518805][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.519020][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.519188][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.519356][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.521974][   T12] ------------[ cut here ]------------
| [   27.522135][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.522410][   T12] Modules linked in:
| [   27.523445][   T12] Tainted: [W]=WARN
[   27.523641][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.523898][   T12] Workqueue: netns cleanup_net
[   27.524113][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.524388][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.524925][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.525162][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a7a80 RCX: 1ff4000000018ed5
[   27.525427][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a7b3c
[   27.525698][   T12] RBP: ff11000010871000 R08: 1fe2200001534f69 R09: ff11000001aed1d0
[   27.525984][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.526250][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.526521][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.526826][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.527075][   T12] CR2: 00007f96f1a66800 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.527347][   T12] PKRU: 55555554
[   27.527530][   T12] Call Trace:
[   27.527714][   T12]  <TASK>
[   27.527918][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.528159][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.528395][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.528611][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.528828][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.529083][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.529293][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.529501][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.529727][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.530028][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.530276][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.530439][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.530611][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.530783][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.530965][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.531130][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.531292][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.531489][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.531659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.531835][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.532027][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.532192][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.532359][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.532531][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.532695][   T12]  kthread (kernel/kthread.c:436)
[   27.532840][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.533049][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.533214][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.533379][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.533579][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.533751][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.533930][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.536734][   T12] ------------[ cut here ]------------
| [   27.537456][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.537793][   T12] Modules linked in:
| [   27.538342][   T12] Tainted: [W]=WARN
[   27.538529][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.538773][   T12] Workqueue: netns cleanup_net
[   27.539003][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.539250][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.539768][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.540020][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a00580 RCX: 1ff4000000018ed5
[   27.540283][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0063c
[   27.540554][   T12] RBP: ff1100000f161000 R08: 1fe22000013400c9 R09: ff11000001aed1d0
[   27.540825][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.541102][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.541369][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.541672][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.541931][   T12] CR2: 00007f96f1a66800 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.542199][   T12] PKRU: 55555554
[   27.542376][   T12] Call Trace:
[   27.542561][   T12]  <TASK>
[   27.542723][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.542980][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.543216][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.543427][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.543640][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.543901][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.544111][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.544321][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.544538][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.544756][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.545013][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.545271][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.545560][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.545772][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.545948][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.546116][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.546284][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.546454][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.546653][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.546832][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.547010][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.547174][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.547373][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.547544][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.547718][   T12]  kthread (kernel/kthread.c:436)
[   27.547857][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.548070][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.548235][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.548400][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.548598][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.548773][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.548955][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.551758][   T12] ------------[ cut here ]------------
| [   27.552380][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.552719][   T12] Modules linked in:
| [   27.553291][   T12] Tainted: [W]=WARN
[   27.553470][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.553729][   T12] Workqueue: netns cleanup_net
[   27.553957][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.554204][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.554731][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.555001][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4b8c0 RCX: 1ff4000000018ed5
[   27.555265][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b97c
[   27.555539][   T12] RBP: ff11000009b19000 R08: 1fe2200001f89731 R09: ff11000001aed1d0
[   27.555813][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.556096][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.556363][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.556668][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.556927][   T12] CR2: 00007f96f1a66800 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.557225][   T12] PKRU: 55555554
[   27.557402][   T12] Call Trace:
[   27.557583][   T12]  <TASK>
[   27.557744][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.558005][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.558241][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.558519][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.558779][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.559101][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.559293][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.559458][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.559634][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.559812][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.559994][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.560160][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.560324][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.560491][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.560664][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.560840][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.561019][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.561186][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.561350][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.561521][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.561697][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.561884][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.562056][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.562227][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.562394][   T12]  kthread (kernel/kthread.c:436)
[   27.562533][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.562737][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.562921][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.563088][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.563284][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.563448][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.563620][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.601882][   T12] ------------[ cut here ]------------
| [   27.602044][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.602318][   T12] Modules linked in:
| [   27.602781][   T12] Tainted: [W]=WARN
[   27.603607][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.603919][   T12] Workqueue: netns cleanup_net
[   27.604178][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.604468][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.604979][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.605170][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4b540 RCX: 1ff4000000018eed
[   27.605387][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b5fc
[   27.605613][   T12] RBP: ff11000008e49000 R08: 1fe2200001f896c1 R09: ff11000001aed1d0
[   27.605834][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.606064][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.606285][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.606535][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.606735][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.606967][   T12] PKRU: 55555554
[   27.607100][   T12] Call Trace:
[   27.607231][   T12]  <TASK>
[   27.607340][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.607541][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.607768][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.607945][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.608112][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.608276][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.608442][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.608616][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.608794][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.609000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.609166][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.609331][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.609493][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.609665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.609840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.610021][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.610188][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.610352][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.610529][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.610699][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.610883][   T12]  kthread (kernel/kthread.c:436)
[   27.611021][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.611213][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.611379][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.611550][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.611754][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.611931][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.612096][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.614680][   T12] ------------[ cut here ]------------
| [   27.614850][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.615328][   T12] Modules linked in:
| [   27.615895][   T12] Tainted: [W]=WARN
[   27.616079][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.616397][   T12] Workqueue: netns cleanup_net
[   27.616629][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.616920][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.617381][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.617582][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9540 RCX: 1ff4000000018eed
[   27.617807][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b95fc
[   27.618038][   T12] RBP: ff11000012464000 R08: 1fe22000021372c1 R09: ff11000001aed1d0
[   27.618256][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.618475][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.618701][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.618971][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.619164][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.619384][   T12] PKRU: 55555554
[   27.619518][   T12] Call Trace:
[   27.619655][   T12]  <TASK>
[   27.619773][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.619985][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.620175][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.620343][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.620512][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.620683][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.620859][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.621041][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.621206][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.621368][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.621537][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.621704][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.621888][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.622053][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.622215][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.622381][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.622555][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.622725][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.622906][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.623076][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.623239][   T12]  kthread (kernel/kthread.c:436)
[   27.623374][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.623575][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.623748][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.623929][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.624123][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.624288][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.624453][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.627064][   T12] ------------[ cut here ]------------
| [   27.627224][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.627499][   T12] Modules linked in:
| [   27.628240][   T12] Tainted: [W]=WARN
[   27.628421][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.628665][   T12] Workqueue: netns cleanup_net
[   27.628903][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.629152][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.629661][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.629919][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9e00 RCX: 1ff4000000018eed
[   27.630182][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9ebc
[   27.630456][   T12] RBP: ff110000102b4000 R08: 1fe22000021373d9 R09: ff11000001aed1d0
[   27.630734][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.631010][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.631277][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.631574][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.631818][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.632103][   T12] PKRU: 55555554
[   27.632278][   T12] Call Trace:
[   27.632456][   T12]  <TASK>
[   27.632646][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.632912][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.633150][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.633386][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.633613][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.633826][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.634049][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.634260][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.634469][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.634722][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.634977][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.635143][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.635305][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.635469][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.635641][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.635814][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.635997][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.636161][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.636332][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.636500][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.636672][   T12]  kthread (kernel/kthread.c:436)
[   27.636813][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.637019][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.637183][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.637348][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.637546][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.637721][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.637900][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.640274][   T12] ------------[ cut here ]------------
| [   27.640429][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.640743][   T12] Modules linked in:
| [   27.642005][   T12] Tainted: [W]=WARN
[   27.642187][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.642423][   T12] Workqueue: netns cleanup_net
[   27.642643][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.642907][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.643415][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.643661][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0200 RCX: 1ff4000000018eed
[   27.643951][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa02bc
[   27.644214][   T12] RBP: ff11000005af1000 R08: 1fe2200001954059 R09: ff11000001aed1d0
[   27.644476][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.644757][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.645040][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.645333][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.645573][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.645847][   T12] PKRU: 55555554
[   27.646035][   T12] Call Trace:
[   27.646211][   T12]  <TASK>
[   27.646362][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.646606][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.646849][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.647073][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.647285][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.647488][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.647701][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.647932][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.648140][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.648344][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.648562][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.648791][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.649081][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.649339][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.649601][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.649861][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.650211][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.650472][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.650737][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.650943][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.651132][   T12]  kthread (kernel/kthread.c:436)
[   27.651298][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.651487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.651656][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.651831][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.652035][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.652197][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.652364][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.654835][   T12] ------------[ cut here ]------------
| [   27.655010][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.655286][   T12] Modules linked in:
| [   27.655740][   T12] Tainted: [W]=WARN
[   27.656227][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.656461][   T12] Workqueue: netns cleanup_net
[   27.656685][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.656950][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.657456][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.657698][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0900 RCX: 1ff4000000018eed
[   27.657981][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa09bc
[   27.658244][   T12] RBP: ff1100000a844000 R08: 1fe2200001954139 R09: ff11000001aed1d0
[   27.658505][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.658778][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.659057][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.659346][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.659583][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.659856][   T12] PKRU: 55555554
[   27.660045][   T12] Call Trace:
[   27.660221][   T12]  <TASK>
[   27.660372][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.660618][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.660922][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.661130][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.661338][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.661552][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.661810][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.662083][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.662349][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.662607][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.662823][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.662999][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.663160][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.663323][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.663484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.663653][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.663831][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.664005][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.664171][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.664339][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.664501][   T12]  kthread (kernel/kthread.c:436)
[   27.664643][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.664838][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.665015][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.665179][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.665400][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.665572][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.665776][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.680308][   T12] ------------[ cut here ]------------
| [   27.680475][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.680775][   T12] Modules linked in:
| [   27.681778][   T12] Tainted: [W]=WARN
[   27.681995][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.682205][   T12] Workqueue: netns cleanup_net
[   27.682388][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.682600][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.683098][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.683330][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7d4e40 RCX: 1ff4000000018eaf
[   27.683564][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4efc
[   27.683798][   T12] RBP: ff110000124bc000 R08: 1fe22000016fa9e1 R09: ff11000001aed1d0
[   27.684035][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.684263][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103f4000
[   27.684491][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.684765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.684990][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.685223][   T12] PKRU: 55555554
[   27.685391][   T12] Call Trace:
[   27.685532][   T12]  <TASK>
[   27.685643][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.685828][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.685984][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.686156][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.686325][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.686522][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.686692][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   27.686885][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.687086][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.687287][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   27.687458][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.687638][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.687815][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.687998][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.688168][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.688340][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.688515][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.688686][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.688882][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.689052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.689218][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.689389][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.689564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.689742][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.689927][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.690095][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.690268][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.690440][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.690616][   T12]  kthread (kernel/kthread.c:436)
[   27.690765][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.690977][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.691147][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.691317][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.691518][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.691692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.691882][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.694018][   T12] ------------[ cut here ]------------
| [   27.694179][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.694463][   T12] Modules linked in:
| [   27.695443][   T12] Tainted: [W]=WARN
[   27.695649][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.695929][   T12] Workqueue: netns cleanup_net
[   27.696180][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.696405][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.696908][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.697108][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01c40 RCX: 1ff4000000018eaf
[   27.697336][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a01cfc
[   27.697570][   T12] RBP: ff110000103f4000 R08: 1fe22000013403a1 R09: ff11000001aed1d0
[   27.697806][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.698047][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000108a9000
[   27.698275][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.698536][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.698744][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.698986][   T12] PKRU: 55555554
[   27.699123][   T12] Call Trace:
[   27.699260][   T12]  <TASK>
[   27.699369][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.699541][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.699717][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.699859][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.700043][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.700212][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.700408][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.700583][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   27.700763][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.700981][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.701180][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   27.701351][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.701526][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.701698][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.701887][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.702056][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.702227][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.702397][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.702576][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.702756][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.702944][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.703110][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.703280][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.703448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.703624][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.703806][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.703987][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.704160][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.704332][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.704503][   T12]  kthread (kernel/kthread.c:436)
[   27.704649][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.704855][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.705036][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.705206][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.705404][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.705582][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.705764][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.707862][   T12] ------------[ cut here ]------------
| [   27.708041][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.708325][   T12] Modules linked in:
| [   27.708794][   T12] Tainted: [W]=WARN
[   27.709509][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.709775][   T12] Workqueue: netns cleanup_net
[   27.710016][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.710270][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.710804][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   27.711062][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01380 RCX: 1ff4000000018eaf
[   27.711338][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0143c
[   27.711616][   T12] RBP: ff110000108a9000 R08: 1fe2200001340289 R09: ff11000001aed1d0
[   27.711910][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   27.712183][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   27.712459][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.712778][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.713037][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.713313][   T12] PKRU: 55555554
[   27.713495][   T12] Call Trace:
[   27.713684][   T12]  <TASK>
[   27.713853][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.714084][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.714299][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.714486][   T12]  netif_close_many (net/core/dev.c:1804)
[   27.714715][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   27.714945][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.715189][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.715406][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   27.715633][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.715903][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.716149][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   27.716365][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.716625][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.716889][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.717061][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.717232][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.717403][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.717583][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.717757][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.717944][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.718115][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.718286][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.718456][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.718632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.718811][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.718996][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.719163][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.719337][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.719516][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.719687][   T12]  kthread (kernel/kthread.c:436)
[   27.719834][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.720042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.720212][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.720382][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.720587][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.720770][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.720953][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.730872][   T12] ------------[ cut here ]------------
| [   27.731041][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.731316][   T12] Modules linked in:
| [   27.731783][   T12] Tainted: [W]=WARN
[   27.731931][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.732124][   T12] Workqueue: netns cleanup_net
[   27.732291][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.732491][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.732998][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.733191][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f31c0 RCX: 1ff4000000018ed5
[   27.733411][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f327c
[   27.733640][   T12] RBP: ff110000124bc000 R08: 1fe22000020be651 R09: ff11000001aed1d0
[   27.733880][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.734100][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.734321][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.734579][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.734780][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.735015][   T12] PKRU: 55555554
[   27.735149][   T12] Call Trace:
[   27.735283][   T12]  <TASK>
[   27.735391][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.735597][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.735801][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   27.735975][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.736143][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.736309][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.736474][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.736647][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.736821][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.737006][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.737169][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.737336][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.737503][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.737674][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.737844][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.738021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.738186][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.738354][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.738520][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.738694][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.738884][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.739050][   T12]  kthread (kernel/kthread.c:436)
[   27.739187][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.739379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.739551][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.739724][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.739930][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.740094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.740258][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.742988][   T12] ------------[ cut here ]------------
| [   27.743145][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.743417][   T12] Modules linked in:
| [   27.743952][   T12] Tainted: [W]=WARN
[   27.744084][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.744276][   T12] Workqueue: netns cleanup_net
[   27.744442][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.744646][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.745120][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.745315][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f38c0 RCX: 1ff4000000018ed5
[   27.745534][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f397c
[   27.745760][   T12] RBP: ff110000103f4000 R08: 1fe22000020be731 R09: ff11000001aed1d0
[   27.745992][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.746212][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.746432][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.746689][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.746899][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.747122][   T12] PKRU: 55555554
[   27.747256][   T12] Call Trace:
[   27.747388][   T12]  <TASK>
[   27.747493][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.747697][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.747908][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   27.748073][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.748241][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.748407][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.748581][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.748753][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.748931][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.749102][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.749264][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.749429][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.749600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.749773][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.749947][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.750110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.750275][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.750441][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.750611][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.750785][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.750964][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.751130][   T12]  kthread (kernel/kthread.c:436)
[   27.751263][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.751453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.751623][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.751797][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.751999][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.752162][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.752328][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.755087][   T12] ------------[ cut here ]------------
| [   27.755242][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   27.755517][   T12] Modules linked in:
| [   27.755983][   T12] Tainted: [W]=WARN
[   27.756117][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.756305][   T12] Workqueue: netns cleanup_net
[   27.756475][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.756678][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.757147][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.757338][   T12] RAX: 00000000ffffffa6 RBX: ff11000004fba040 RCX: 1ff4000000018ed5
[   27.757563][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fba0fc
[   27.757790][   T12] RBP: ff110000108a9000 R08: 1fe22000009f7421 R09: ff11000001aed1d0
[   27.758019][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.758236][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.758458][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.758718][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.758919][   T12] CR2: 00007fe18900c000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   27.759139][   T12] PKRU: 55555554
[   27.759270][   T12] Call Trace:
[   27.759405][   T12]  <TASK>
[   27.759514][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.759719][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.759926][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   27.760090][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.760255][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.760421][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.760595][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.760767][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.760943][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.761109][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.761270][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.761434][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.761608][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.761777][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.761957][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.762119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.762283][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.762450][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.762619][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.762796][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.762976][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.763144][   T12]  kthread (kernel/kthread.c:436)
[   27.763277][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.763467][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.763640][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.763810][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.764015][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.764179][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.764344][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.772716][  T611] ------------[ cut here ]------------
| [   27.772859][  T611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/611
| [   27.773093][  T611] Modules linked in:
| [   27.773449][  T611] Tainted: [W]=WARN
[   27.773549][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.773713][  T611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.773884][  T611] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.774336][  T611] RSP: 0018:ffa0000001ca7a80 EFLAGS: 00010286
[   27.774497][  T611] RAX: 00000000ffffffa6 RBX: ff11000004fbb700 RCX: 1ff4000000394f16
[   27.774691][  T611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fbb7bc
[   27.774890][  T611] RBP: ff11000009761000 R08: 1fe22000009f76f9 R09: ff110000106f8b80
[   27.775079][  T611] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.775270][  T611] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009761000
[   27.775461][  T611] FS:  00007f62c6e96840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.775689][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.775855][  T611] CR2: 00007f62c720f493 CR3: 00000000109e0002 CR4: 0000000000771ef0
[   27.776050][  T611] PKRU: 55555554
[   27.776146][  T611] Call Trace:
[   27.776241][  T611]  <TASK>
[   27.776309][  T611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.776440][  T611]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.776572][  T611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.776668][  T611]  register_netdevice (net/core/dev.c:11488)
[   27.776804][  T611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.776967][  T611]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   27.777097][  T611]  register_netdev (net/core/dev.c:11552)
[   27.777225][  T611]  loopback_net_init (drivers/net/loopback.c:218)
[   27.777356][  T611]  ops_init (net/core/net_namespace.c:137)
[   27.777453][  T611]  setup_net (net/core/net_namespace.c:446)
[   27.777552][  T611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   27.777678][  T611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   27.777809][  T611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   27.777944][  T611]  copy_net_ns (net/core/net_namespace.c:579)
[   27.778072][  T611]  create_new_namespaces (kernel/nsproxy.c:132)
[   27.778203][  T611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   27.778331][  T611]  ksys_unshare (kernel/fork.c:3243)
[   27.778458][  T611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.778588][  T611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   27.778717][  T611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   27.778846][  T611]  ? __ia32_sys_open (fs/open.c:1374)
[   27.778980][  T611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   27.779108][  T611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   27.779234][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.779359][  T611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.779485][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.779613][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.779775][  T611] RIP: 0033:0x7f62c7158bcb
[   27.779914][  T611] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.780368][  T611] RSP: 002b:00007ffea0b27e28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   27.780565][  T611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f62c7158bcb
[   27.780763][  T611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   27.780960][  T611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   27.781150][  T611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffea0b2a050
[   27.781340][  T611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea0b2a847
| [   27.785467][  T611] ------------[ cut here ]------------
| [   27.785604][  T611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/611
| [   27.785831][  T611] Modules linked in:
| [   27.786193][  T611] Tainted: [W]=WARN
[   27.786289][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.786447][  T611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.786615][  T611] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.787074][  T611] RSP: 0018:ffa0000001ca7918 EFLAGS: 00010286
[   27.787232][  T611] RAX: 00000000ffffffa6 RBX: ff1100000d214c80 RCX: 1ff4000000394ee9
[   27.787421][  T611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d214d3c
[   27.787613][  T611] RBP: ff1100000fe29000 R08: 1fe2200001a429a9 R09: ff110000106f8b80
[   27.787808][  T611] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.788004][  T611] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe29000
[   27.788194][  T611] FS:  00007f62c6e96840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.788415][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.788579][  T611] CR2: 00007f62c720f493 CR3: 00000000109e0002 CR4: 0000000000771ef0
[   27.788776][  T611] PKRU: 55555554
[   27.788875][  T611] Call Trace:
[   27.788969][  T611]  <TASK>
[   27.789034][  T611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.789175][  T611]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.789302][  T611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.789399][  T611]  register_netdevice (net/core/dev.c:11488)
[   27.789531][  T611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.789689][  T611]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   27.789824][  T611]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   27.789956][  T611]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   27.790083][  T611]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   27.790211][  T611]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   27.790339][  T611]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   27.790468][  T611]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   27.790603][  T611]  ops_init (net/core/net_namespace.c:137)
[   27.790701][  T611]  setup_net (net/core/net_namespace.c:446)
[   27.790804][  T611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   27.790936][  T611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   27.791065][  T611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   27.791194][  T611]  copy_net_ns (net/core/net_namespace.c:579)
[   27.791322][  T611]  create_new_namespaces (kernel/nsproxy.c:132)
[   27.791453][  T611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   27.791584][  T611]  ksys_unshare (kernel/fork.c:3243)
[   27.791715][  T611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.791844][  T611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   27.791974][  T611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   27.792103][  T611]  ? __ia32_sys_open (fs/open.c:1374)
[   27.792232][  T611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   27.792359][  T611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   27.792486][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.792614][  T611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.792745][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.792878][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.793037][  T611] RIP: 0033:0x7f62c7158bcb
[   27.793171][  T611] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.793628][  T611] RSP: 002b:00007ffea0b27e28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   27.793827][  T611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f62c7158bcb
[   27.794021][  T611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   27.794213][  T611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   27.794406][  T611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffea0b2a050
[   27.794601][  T611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea0b2a847
| [   27.804647][  T611] ------------[ cut here ]------------
| [   27.804790][  T611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/611
| [   27.805024][  T611] Modules linked in:
| [   27.805385][  T611] Tainted: [W]=WARN
[   27.805484][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.805650][  T611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.805821][  T611] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.806288][  T611] RSP: 0018:ffa0000001ca78f8 EFLAGS: 00010286
[   27.806453][  T611] RAX: 00000000ffffffa6 RBX: ff1100000b7d58c0 RCX: 1ff4000000394ee5
[   27.806647][  T611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d597c
[   27.806844][  T611] RBP: ff1100000f394000 R08: 1fe22000016fab31 R09: ff110000106f8b80
[   27.807555][  T611] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.807759][  T611] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f394000
[   27.808011][  T611] FS:  00007f62c6e96840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.808237][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.808398][  T611] CR2: 00007f62c720f493 CR3: 00000000109e0002 CR4: 0000000000771ef0
[   27.808598][  T611] PKRU: 55555554
[   27.808694][  T611] Call Trace:
[   27.808796][  T611]  <TASK>
[   27.808862][  T611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.809049][  T611]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.809234][  T611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.809334][  T611]  register_netdevice (net/core/dev.c:11488)
[   27.809465][  T611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.809632][  T611]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   27.809771][  T611]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   27.809957][  T611]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   27.810088][  T611]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   27.810220][  T611]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   27.810350][  T611]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   27.810481][  T611]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   27.810613][  T611]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.810753][  T611]  vti_init_net (net/ipv4/ip_vti.c:517)
[   27.810938][  T611]  ops_init (net/core/net_namespace.c:137)
[   27.811039][  T611]  setup_net (net/core/net_namespace.c:446)
[   27.811138][  T611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   27.811266][  T611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   27.811396][  T611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   27.811531][  T611]  copy_net_ns (net/core/net_namespace.c:579)
[   27.811664][  T611]  create_new_namespaces (kernel/nsproxy.c:132)
[   27.811802][  T611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   27.811990][  T611]  ksys_unshare (kernel/fork.c:3243)
[   27.812121][  T611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.812250][  T611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   27.812380][  T611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   27.812514][  T611]  ? __ia32_sys_open (fs/open.c:1374)
[   27.812648][  T611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   27.812782][  T611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   27.812967][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.813098][  T611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.813228][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.813359][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.813521][  T611] RIP: 0033:0x7f62c7158bcb
[   27.813657][  T611] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.814182][  T611] RSP: 002b:00007ffea0b27e28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   27.814379][  T611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f62c7158bcb
[   27.814576][  T611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   27.814778][  T611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   27.815028][  T611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffea0b2a050
[   27.815223][  T611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea0b2a847
| [   27.819653][  T611] ------------[ cut here ]------------
| [   27.819793][  T611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/611
| [   27.820028][  T611] Modules linked in:
| [   27.820389][  T611] Tainted: [W]=WARN
[   27.820486][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.820647][  T611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.820820][  T611] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.821284][  T611] RSP: 0018:ffa0000001ca7a78 EFLAGS: 00010286
[   27.821446][  T611] RAX: 00000000ffffffa6 RBX: ff1100000caa0ac0 RCX: 1ff4000000394f15
[   27.821642][  T611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0b7c
[   27.821839][  T611] RBP: ff1100000e661000 R08: 1fe2200001954171 R09: ff110000106f8b80
[   27.822542][  T611] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.822740][  T611] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e661000
[   27.822990][  T611] FS:  00007f62c6e96840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.823218][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.823378][  T611] CR2: 00007f62c720f493 CR3: 00000000109e0002 CR4: 0000000000771ef0
[   27.823577][  T611] PKRU: 55555554
[   27.823674][  T611] Call Trace:
[   27.823777][  T611]  <TASK>
[   27.823843][  T611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.824023][  T611]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.824154][  T611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.824252][  T611]  register_netdevice (net/core/dev.c:11488)
[   27.824383][  T611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.824549][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.824738][  T611]  register_netdev (net/core/dev.c:11552)
[   27.824921][  T611]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   27.825053][  T611]  ops_init (net/core/net_namespace.c:137)
[   27.825152][  T611]  setup_net (net/core/net_namespace.c:446)
[   27.825252][  T611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   27.825380][  T611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   27.825512][  T611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   27.825643][  T611]  copy_net_ns (net/core/net_namespace.c:579)
[   27.825781][  T611]  create_new_namespaces (kernel/nsproxy.c:132)
[   27.825965][  T611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   27.826097][  T611]  ksys_unshare (kernel/fork.c:3243)
[   27.826225][  T611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.826353][  T611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   27.826482][  T611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   27.826614][  T611]  ? __ia32_sys_open (fs/open.c:1374)
[   27.826749][  T611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   27.826930][  T611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   27.827059][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.827190][  T611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.827318][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.827447][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.827609][  T611] RIP: 0033:0x7f62c7158bcb
[   27.827748][  T611] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.828259][  T611] RSP: 002b:00007ffea0b27e28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   27.828453][  T611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f62c7158bcb
[   27.828645][  T611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   27.828840][  T611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   27.829086][  T611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffea0b2a050
[   27.829277][  T611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea0b2a847
| [   27.833690][  T611] ------------[ cut here ]------------
| [   27.833829][  T611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/611
| [   27.834064][  T611] Modules linked in:
| [   27.834421][  T611] Tainted: [W]=WARN
[   27.834521][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.834682][  T611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.834852][  T611] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.835312][  T611] RSP: 0018:ffa0000001ca7a68 EFLAGS: 00010286
[   27.835474][  T611] RAX: 00000000ffffffa6 RBX: ff11000004fba740 RCX: 1ff4000000394f13
[   27.835668][  T611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fba7fc
[   27.835864][  T611] RBP: ff1100000b4d1000 R08: 1fe22000009f7501 R09: ff110000106f8b80
[   27.836060][  T611] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.836252][  T611] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4d1000
[   27.836446][  T611] FS:  00007f62c6e96840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.836674][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.836839][  T611] CR2: 00007f62c720f493 CR3: 00000000109e0002 CR4: 0000000000771ef0
[   27.837541][  T611] PKRU: 55555554
[   27.837639][  T611] Call Trace:
[   27.837740][  T611]  <TASK>
[   27.837807][  T611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.837991][  T611]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.838121][  T611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.838220][  T611]  register_netdevice (net/core/dev.c:11488)
[   27.838350][  T611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.838518][  T611]  register_netdev (net/core/dev.c:11552)
[   27.838645][  T611]  sit_init_net (net/ipv6/sit.c:1860)
[   27.838780][  T611]  ops_init (net/core/net_namespace.c:137)
[   27.838932][  T611]  setup_net (net/core/net_namespace.c:446)
[   27.839030][  T611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   27.839158][  T611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   27.839287][  T611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   27.839416][  T611]  copy_net_ns (net/core/net_namespace.c:579)
[   27.839550][  T611]  create_new_namespaces (kernel/nsproxy.c:132)
[   27.839739][  T611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   27.839923][  T611]  ksys_unshare (kernel/fork.c:3243)
[   27.840053][  T611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.840181][  T611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   27.840310][  T611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   27.840440][  T611]  ? __ia32_sys_open (fs/open.c:1374)
[   27.840575][  T611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   27.840702][  T611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   27.840834][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.841015][  T611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.841144][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.841272][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.841430][  T611] RIP: 0033:0x7f62c7158bcb
[   27.841567][  T611] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.842085][  T611] RSP: 002b:00007ffea0b27e28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   27.842278][  T611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f62c7158bcb
[   27.842470][  T611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   27.842664][  T611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   27.842861][  T611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffea0b2a050
[   27.843105][  T611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea0b2a847
| [   27.848183][  T611] ------------[ cut here ]------------
| [   27.848319][  T611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/611
| [   27.848545][  T611] Modules linked in:
| [   27.848913][  T611] Tainted: [W]=WARN
[   27.849011][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.849172][  T611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.849340][  T611] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.849805][  T611] RSP: 0018:ffa0000001ca7a78 EFLAGS: 00010286
[   27.849975][  T611] RAX: 00000000ffffffa6 RBX: ff1100000ca8c580 RCX: 1ff4000000394f15
[   27.850166][  T611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8c63c
[   27.850360][  T611] RBP: ff11000008d3c000 R08: 1fe22000019518c9 R09: ff110000106f8b80
[   27.850552][  T611] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.850751][  T611] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d3c000
[   27.850949][  T611] FS:  00007f62c6e96840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   27.851174][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.851335][  T611] CR2: 00007f62c720f493 CR3: 00000000109e0002 CR4: 0000000000771ef0
[   27.851531][  T611] PKRU: 55555554
[   27.851626][  T611] Call Trace:
[   27.851728][  T611]  <TASK>
[   27.851795][  T611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.851930][  T611]  ? notifier_call_chain (kernel/notifier.c:85)
[   27.852060][  T611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.852161][  T611]  register_netdevice (net/core/dev.c:11488)
[   27.852291][  T611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.852451][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.852584][  T611]  register_netdev (net/core/dev.c:11552)
[   27.852718][  T611]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   27.852849][  T611]  ops_init (net/core/net_namespace.c:137)
[   27.852954][  T611]  setup_net (net/core/net_namespace.c:446)
[   27.853054][  T611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   27.853182][  T611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   27.853310][  T611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   27.853441][  T611]  copy_net_ns (net/core/net_namespace.c:579)
[   27.853575][  T611]  create_new_namespaces (kernel/nsproxy.c:132)
[   27.853712][  T611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   27.853842][  T611]  ksys_unshare (kernel/fork.c:3243)
[   27.853975][  T611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   27.854103][  T611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   27.854231][  T611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   27.854361][  T611]  ? __ia32_sys_open (fs/open.c:1374)
[   27.854491][  T611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   27.854623][  T611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   27.854754][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.854889][  T611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.855018][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.855146][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.855304][  T611] RIP: 0033:0x7f62c7158bcb
[   27.855438][  T611] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.855907][  T611] RSP: 002b:00007ffea0b27e28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   27.856100][  T611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f62c7158bcb
[   27.856290][  T611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   27.856481][  T611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   27.856676][  T611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffea0b2a050
[   27.856876][  T611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea0b2a847
| [   27.889908][  T612] ------------[ cut here ]------------
| [   27.890088][  T612] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/612
| [   27.890355][  T612] Modules linked in:
| [   27.890817][  T612] Tainted: [W]=WARN
[   27.890974][  T612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.891182][  T612] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.891395][  T612] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.891922][  T612] RSP: 0018:ffa0000001cb7020 EFLAGS: 00010286
[   27.892129][  T612] RAX: 00000000ffffffa6 RBX: ff1100000922a580 RCX: 1ff4000000396dca
[   27.892365][  T612] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a63c
[   27.892609][  T612] RBP: ff11000009761000 R08: 1fe22000012454c9 R09: ff110000106fae58
[   27.892856][  T612] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   27.893107][  T612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.893344][  T612] FS:  00007f0945e3c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   27.893620][  T612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.893836][  T612] CR2: 000000002eaee988 CR3: 000000000ff27001 CR4: 0000000000771ef0
[   27.894085][  T612] PKRU: 55555554
[   27.894226][  T612] Call Trace:
[   27.894368][  T612]  <TASK>
[   27.894480][  T612]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.894663][  T612]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.894817][  T612]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.895005][  T612]  __dev_notify_flags (net/core/dev.c:9787)
[   27.895184][  T612]  ? netif_change_name (net/core/dev.c:1495)
[   27.895358][  T612]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.895536][  T612]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.895717][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.895907][  T612]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.896085][  T612]  netif_change_flags (net/core/dev.c:9820)
[   27.896263][  T612]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.896439][  T612]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.896624][  T612]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.896810][  T612]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.897033][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.897209][  T612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.897384][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.897565][  T612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.897749][  T612]  ? __kernel_text_address (kernel/extable.c:79)
[   27.897938][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.898115][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.898290][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.898464][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.898648][  T612]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.898833][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.899022][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.899198][  T612]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.899374][  T612]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.899557][  T612]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.899741][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.899931][  T612]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.900108][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.900285][  T612]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.900463][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.900647][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.900835][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.901022][  T612]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.901196][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.901373][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.901553][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.901735][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.901919][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.902094][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.902269][  T612]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.902444][  T612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.902625][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.902808][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.902999][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.903171][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.903347][  T612]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.903526][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.903704][  T612]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.903904][  T612]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.904078][  T612]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.904254][  T612]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.904430][  T612]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.904615][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.904800][  T612]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.904992][  T612]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.905168][  T612]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.905346][  T612]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.905524][  T612]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.905700][  T612]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.905926][  T612]  ? move_addr_to_kernel (net/socket.c:258)
[   27.906103][  T612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.906276][  T612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.906453][  T612]  ___sys_sendmsg (net/socket.c:2752)
[   27.906637][  T612]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.906849][  T612]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.907048][  T612]  __sys_sendmsg (net/socket.c:2784)
[   27.907225][  T612]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.907397][  T612]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.907618][  T612]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.907802][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.907995][  T612]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.908172][  T612]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.908346][  T612]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.908526][  T612]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.908740][  T612] RIP: 0033:0x7f094607608e
[   27.908934][  T612] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.909432][  T612] RSP: 002b:00007ffe2413ea00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.909679][  T612] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f094607608e
[   27.909940][  T612] RDX: 0000000000000000 RSI: 00007ffe2413eab0 RDI: 0000000000000005
[   27.910178][  T612] RBP: 00007ffe2413ea10 R08: 0000000000000000 R09: 0000000000000000
[   27.910414][  T612] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd08
[   27.910657][  T612] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2413f180
| [   28.099610][  T620] ------------[ cut here ]------------
| [   28.099769][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/620
| [   28.100004][  T620] Modules linked in:
| [   28.100371][  T620] Tainted: [W]=WARN
[   28.100469][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.100634][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.100810][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.101272][  T620] RSP: 0018:ffa0000001d27a80 EFLAGS: 00010286
[   28.101437][  T620] RAX: 00000000ffffffa6 RBX: ff1100000909d1c0 RCX: 1ff40000003a4f16
[   28.101633][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d27c
[   28.101831][  T620] RBP: ff110000103a4000 R08: 1fe2200001213a51 R09: ff1100000f0bae80
[   28.102027][  T620] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.102219][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103a4000
[   28.102413][  T620] FS:  00007f190913d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.102645][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.102814][  T620] CR2: 00007f190933ec20 CR3: 00000000109e0006 CR4: 0000000000771ef0
[   28.103016][  T620] PKRU: 55555554
[   28.103114][  T620] Call Trace:
[   28.103210][  T620]  <TASK>
[   28.103276][  T620]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.103407][  T620]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.103541][  T620]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.103640][  T620]  register_netdevice (net/core/dev.c:11488)
[   28.103779][  T620]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.103943][  T620]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.104074][  T620]  register_netdev (net/core/dev.c:11552)
[   28.104202][  T620]  loopback_net_init (drivers/net/loopback.c:218)
[   28.104332][  T620]  ops_init (net/core/net_namespace.c:137)
[   28.104431][  T620]  setup_net (net/core/net_namespace.c:446)
[   28.104533][  T620]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.104662][  T620]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.104798][  T620]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.104937][  T620]  copy_net_ns (net/core/net_namespace.c:579)
[   28.105067][  T620]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.105198][  T620]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.105328][  T620]  ksys_unshare (kernel/fork.c:3243)
[   28.105459][  T620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.105593][  T620]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.105726][  T620]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.105859][  T620]  ? __ia32_sys_open (fs/open.c:1374)
[   28.106297][  T620]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.106426][  T620]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.106560][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.106689][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.106826][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.106961][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.107120][  T620] RIP: 0033:0x7f19093ffbcb
[   28.107254][  T620] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.107719][  T620] RSP: 002b:00007ffd8f13dda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   28.107920][  T620] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19093ffbcb
[   28.108113][  T620] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.108306][  T620] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.108496][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd8f13ffd0
[   28.108691][  T620] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8f140847
| [   28.112479][  T620] ------------[ cut here ]------------
| [   28.112613][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/620
| [   28.112848][  T620] Modules linked in:
| [   28.113213][  T620] Tainted: [W]=WARN
[   28.113311][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.113473][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.113645][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.114118][  T620] RSP: 0018:ffa0000001d27918 EFLAGS: 00010286
[   28.114279][  T620] RAX: 00000000ffffffa6 RBX: ff1100000fc4ae40 RCX: 1ff40000003a4ee9
[   28.114472][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4aefc
[   28.114666][  T620] RBP: ff11000010244000 R08: 1fe2200001f895e1 R09: ff1100000f0bae80
[   28.114863][  T620] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.115058][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010244000
[   28.115251][  T620] FS:  00007f190913d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.115476][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.115641][  T620] CR2: 00007f190933ec20 CR3: 00000000109e0006 CR4: 0000000000771ef0
[   28.115839][  T620] PKRU: 55555554
[   28.115940][  T620] Call Trace:
[   28.116036][  T620]  <TASK>
[   28.116103][  T620]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.116233][  T620]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.116363][  T620]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.116462][  T620]  register_netdevice (net/core/dev.c:11488)
[   28.116597][  T620]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.116763][  T620]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.116899][  T620]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   28.117028][  T620]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   28.117159][  T620]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   28.117290][  T620]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   28.117420][  T620]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   28.117552][  T620]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   28.117684][  T620]  ops_init (net/core/net_namespace.c:137)
[   28.117788][  T620]  setup_net (net/core/net_namespace.c:446)
[   28.117892][  T620]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.118022][  T620]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.118151][  T620]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.118281][  T620]  copy_net_ns (net/core/net_namespace.c:579)
[   28.118410][  T620]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.118546][  T620]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.118675][  T620]  ksys_unshare (kernel/fork.c:3243)
[   28.118810][  T620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.118943][  T620]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.119072][  T620]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.119202][  T620]  ? __ia32_sys_open (fs/open.c:1374)
[   28.119334][  T620]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.119461][  T620]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.119593][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.119727][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.119858][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.119992][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.120151][  T620] RIP: 0033:0x7f19093ffbcb
[   28.120285][  T620] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.120753][  T620] RSP: 002b:00007ffd8f13dda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   28.120953][  T620] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19093ffbcb
[   28.121143][  T620] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.121335][  T620] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.121529][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd8f13ffd0
[   28.121726][  T620] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8f140847
| [   28.126036][  T620] ------------[ cut here ]------------
| [   28.126170][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/620
| [   28.126396][  T620] Modules linked in:
| [   28.126768][  T620] Tainted: [W]=WARN
[   28.126871][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.127033][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.127203][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.127669][  T620] RSP: 0018:ffa0000001d278f8 EFLAGS: 00010286
[   28.127837][  T620] RAX: 00000000ffffffa6 RBX: ff1100000909d8c0 RCX: 1ff40000003a4ee5
[   28.128039][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d97c
[   28.128232][  T620] RBP: ff110000057ac000 R08: 1fe2200001213b31 R09: ff1100000f0bae80
[   28.128426][  T620] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.128622][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057ac000
[   28.128821][  T620] FS:  00007f190913d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.129053][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.129217][  T620] CR2: 00007f190933ec20 CR3: 00000000109e0006 CR4: 0000000000771ef0
[   28.129412][  T620] PKRU: 55555554
[   28.129513][  T620] Call Trace:
[   28.129613][  T620]  <TASK>
[   28.129681][  T620]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.129817][  T620]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.129952][  T620]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.130052][  T620]  register_netdevice (net/core/dev.c:11488)
[   28.130184][  T620]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.130346][  T620]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.130479][  T620]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   28.130614][  T620]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   28.130752][  T620]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   28.130888][  T620]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   28.131019][  T620]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   28.131152][  T620]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   28.131283][  T620]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.131415][  T620]  vti_init_net (net/ipv4/ip_vti.c:517)
[   28.131548][  T620]  ops_init (net/core/net_namespace.c:137)
[   28.131649][  T620]  setup_net (net/core/net_namespace.c:446)
[   28.131754][  T620]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.131888][  T620]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.132018][  T620]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.132150][  T620]  copy_net_ns (net/core/net_namespace.c:579)
[   28.132281][  T620]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.132413][  T620]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.132549][  T620]  ksys_unshare (kernel/fork.c:3243)
[   28.132678][  T620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.132812][  T620]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.132945][  T620]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.133076][  T620]  ? __ia32_sys_open (fs/open.c:1374)
[   28.133206][  T620]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.133335][  T620]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.133465][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.133598][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.133732][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.133862][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.134029][  T620] RIP: 0033:0x7f19093ffbcb
[   28.134166][  T620] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.134632][  T620] RSP: 002b:00007ffd8f13dda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   28.134834][  T620] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19093ffbcb
[   28.135034][  T620] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.135227][  T620] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.135421][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd8f13ffd0
[   28.135617][  T620] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8f140847
| [   28.145307][  T620] ------------[ cut here ]------------
| [   28.145443][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/620
| [   28.145671][  T620] Modules linked in:
| [   28.146039][  T620] Tainted: [W]=WARN
[   28.146137][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.146297][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.146465][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.146943][  T620] RSP: 0018:ffa0000001d27a78 EFLAGS: 00010286
[   28.147107][  T620] RAX: 00000000ffffffa6 RBX: ff1100000b7278c0 RCX: 1ff40000003a4f15
[   28.147300][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72797c
[   28.147492][  T620] RBP: ff11000005809000 R08: 1fe22000016e4f31 R09: ff1100000f0bae80
[   28.147689][  T620] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.147891][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005809000
[   28.148084][  T620] FS:  00007f190913d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.148311][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.148472][  T620] CR2: 00007f190933ec20 CR3: 00000000109e0006 CR4: 0000000000771ef0
[   28.148671][  T620] PKRU: 55555554
[   28.148774][  T620] Call Trace:
[   28.148874][  T620]  <TASK>
[   28.148942][  T620]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.149071][  T620]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.149202][  T620]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.149301][  T620]  register_netdevice (net/core/dev.c:11488)
[   28.149430][  T620]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.149593][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.149730][  T620]  register_netdev (net/core/dev.c:11552)
[   28.149861][  T620]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   28.149997][  T620]  ops_init (net/core/net_namespace.c:137)
[   28.150096][  T620]  setup_net (net/core/net_namespace.c:446)
[   28.150194][  T620]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.150322][  T620]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.150450][  T620]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.150586][  T620]  copy_net_ns (net/core/net_namespace.c:579)
[   28.150738][  T620]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.150874][  T620]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.151002][  T620]  ksys_unshare (kernel/fork.c:3243)
[   28.151129][  T620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.151258][  T620]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.151386][  T620]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.151519][  T620]  ? __ia32_sys_open (fs/open.c:1374)
[   28.151650][  T620]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.151782][  T620]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.151913][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.152041][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.152170][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.152299][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.152459][  T620] RIP: 0033:0x7f19093ffbcb
[   28.152596][  T620] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.153065][  T620] RSP: 002b:00007ffd8f13dda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   28.153259][  T620] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19093ffbcb
[   28.153450][  T620] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.153643][  T620] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.153840][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd8f13ffd0
[   28.154036][  T620] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8f140847
| [   28.158054][  T620] ------------[ cut here ]------------
| [   28.158190][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/620
| [   28.158413][  T620] Modules linked in:
| [   28.158782][  T620] Tainted: [W]=WARN
[   28.158882][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.159046][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.159213][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.159672][  T620] RSP: 0018:ffa0000001d27a68 EFLAGS: 00010286
[   28.159842][  T620] RAX: 00000000ffffffa6 RBX: ff110000105f2e40 RCX: 1ff40000003a4f13
[   28.160039][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2efc
[   28.160230][  T620] RBP: ff11000005009000 R08: 1fe22000020be5e1 R09: ff1100000f0bae80
[   28.160422][  T620] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.160614][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005009000
[   28.160815][  T620] FS:  00007f190913d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.161044][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.161206][  T620] CR2: 00007f190933ec20 CR3: 00000000109e0006 CR4: 0000000000771ef0
[   28.161400][  T620] PKRU: 55555554
[   28.161497][  T620] Call Trace:
[   28.161598][  T620]  <TASK>
[   28.161665][  T620]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.161800][  T620]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.161935][  T620]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.162033][  T620]  register_netdevice (net/core/dev.c:11488)
[   28.162163][  T620]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.162327][  T620]  register_netdev (net/core/dev.c:11552)
[   28.162456][  T620]  sit_init_net (net/ipv6/sit.c:1860)
[   28.162588][  T620]  ops_init (net/core/net_namespace.c:137)
[   28.162687][  T620]  setup_net (net/core/net_namespace.c:446)
[   28.162789][  T620]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.162921][  T620]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.163052][  T620]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.163183][  T620]  copy_net_ns (net/core/net_namespace.c:579)
[   28.163313][  T620]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.163444][  T620]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.163577][  T620]  ksys_unshare (kernel/fork.c:3243)
[   28.163705][  T620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.163839][  T620]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.163973][  T620]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.164102][  T620]  ? __ia32_sys_open (fs/open.c:1374)
[   28.164232][  T620]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.164359][  T620]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.164488][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.164619][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.164753][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.164884][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.165044][  T620] RIP: 0033:0x7f19093ffbcb
[   28.165178][  T620] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.165641][  T620] RSP: 002b:00007ffd8f13dda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   28.165841][  T620] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19093ffbcb
[   28.166039][  T620] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.166231][  T620] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.166424][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd8f13ffd0
[   28.166618][  T620] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8f140847
| [   28.170837][  T620] ------------[ cut here ]------------
| [   28.170975][  T620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/620
| [   28.171203][  T620] Modules linked in:
| [   28.171562][  T620] Tainted: [W]=WARN
[   28.171660][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.171827][  T620] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.172000][  T620] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.172460][  T620] RSP: 0018:ffa0000001d27a78 EFLAGS: 00010286
[   28.172626][  T620] RAX: 00000000ffffffa6 RBX: ff11000008dcf380 RCX: 1ff40000003a4f15
[   28.172824][  T620] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dcf43c
[   28.173023][  T620] RBP: ff11000010599000 R08: 1fe22000011b9e89 R09: ff1100000f0bae80
[   28.173216][  T620] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.173407][  T620] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010599000
[   28.173606][  T620] FS:  00007f190913d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.173839][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.174007][  T620] CR2: 00007f190933ec20 CR3: 00000000109e0006 CR4: 0000000000771ef0
[   28.174201][  T620] PKRU: 55555554
[   28.174298][  T620] Call Trace:
[   28.174393][  T620]  <TASK>
[   28.174460][  T620]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.174593][  T620]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.174726][  T620]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.174828][  T620]  register_netdevice (net/core/dev.c:11488)
[   28.174965][  T620]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.175126][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.175266][  T620]  register_netdev (net/core/dev.c:11552)
[   28.175395][  T620]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   28.175528][  T620]  ops_init (net/core/net_namespace.c:137)
[   28.175629][  T620]  setup_net (net/core/net_namespace.c:446)
[   28.175733][  T620]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.175861][  T620]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.175994][  T620]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.176126][  T620]  copy_net_ns (net/core/net_namespace.c:579)
[   28.176257][  T620]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.176389][  T620]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.176615][  T620]  ksys_unshare (kernel/fork.c:3243)
[   28.176748][  T620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.176880][  T620]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.177011][  T620]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.177226][  T620]  ? __ia32_sys_open (fs/open.c:1374)
[   28.177356][  T620]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.177483][  T620]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.177615][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.177835][  T620]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.177968][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.178096][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.178340][  T620] RIP: 0033:0x7f19093ffbcb
[   28.178473][  T620] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.179035][  T620] RSP: 002b:00007ffd8f13dda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   28.179230][  T620] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19093ffbcb
[   28.179421][  T620] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.179704][  T620] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.179907][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd8f13ffd0
[   28.180185][  T620] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8f140847
| [   28.213414][  T621] ------------[ cut here ]------------
| [   28.213565][  T621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/621
| [   28.213800][  T621] Modules linked in:
| [   28.214713][  T621] Tainted: [W]=WARN
[   28.214813][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.214981][  T621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.215150][  T621] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.215612][  T621] RSP: 0018:ffa0000001d37020 EFLAGS: 00010286
[   28.215783][  T621] RAX: 00000000ffffffa6 RBX: ff11000008dcfc40 RCX: 1ff40000003a6dca
[   28.215982][  T621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dcfcfc
[   28.216176][  T621] RBP: ff110000103a4000 R08: 1fe22000011b9fa1 R09: ff1100000f0bd158
[   28.216368][  T621] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   28.216565][  T621] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.216814][  T621] FS:  00007f23a7987840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   28.217060][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.217232][  T621] CR2: 000000000b765988 CR3: 000000000ef14002 CR4: 0000000000771ef0
[   28.217438][  T621] PKRU: 55555554
[   28.217541][  T621] Call Trace:
[   28.217641][  T621]  <TASK>
[   28.217715][  T621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.217854][  T621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.217961][  T621]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.218095][  T621]  __dev_notify_flags (net/core/dev.c:9787)
[   28.218229][  T621]  ? netif_change_name (net/core/dev.c:1495)
[   28.218363][  T621]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.218496][  T621]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.218635][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.218774][  T621]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   28.218913][  T621]  netif_change_flags (net/core/dev.c:9820)
[   28.219046][  T621]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.219180][  T621]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.219314][  T621]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.219447][  T621]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.219615][  T621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.219752][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.219887][  T621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.220018][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.220150][  T621]  ? __kernel_text_address (kernel/extable.c:79)
[   28.220281][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.220413][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.220547][  T621]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.220676][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.220811][  T621]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.220943][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.221073][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.221203][  T621]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.221335][  T621]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   28.221465][  T621]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.221599][  T621]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.221735][  T621]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.221874][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.222007][  T621]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.222139][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.222272][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.222400][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.222534][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.222662][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.222799][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.222933][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.223063][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.223193][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.223326][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.223456][  T621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.223587][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.223720][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.223849][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.223988][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.224118][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.224249][  T621]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.224380][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.224513][  T621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.224646][  T621]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.224779][  T621]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.224914][  T621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.225046][  T621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.225176][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.225306][  T621]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.225437][  T621]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.225571][  T621]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.225703][  T621]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.225839][  T621]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.225973][  T621]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.226133][  T621]  ? move_addr_to_kernel (net/socket.c:258)
[   28.226265][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.226395][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.226529][  T621]  ___sys_sendmsg (net/socket.c:2752)
[   28.226658][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.226825][  T621]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.226971][  T621]  __sys_sendmsg (net/socket.c:2784)
[   28.227101][  T621]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.227229][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.227393][  T621]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.227526][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.227658][  T621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.227793][  T621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.227927][  T621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.228058][  T621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.228218][  T621] RIP: 0033:0x7f23a7bc108e
[   28.228356][  T621] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.228821][  T621] RSP: 002b:00007fff37cfbfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.229022][  T621] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f23a7bc108e
[   28.229217][  T621] RDX: 0000000000000000 RSI: 00007fff37cfc080 RDI: 0000000000000005
[   28.229410][  T621] RBP: 00007fff37cfbfe0 R08: 0000000000000000 R09: 0000000000000000
[   28.229605][  T621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd08
[   28.229802][  T621] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff37cfc750
| [   28.428394][  T629] ------------[ cut here ]------------
| [   28.428554][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/629
| [   28.428791][  T629] Modules linked in:
| [   28.429613][  T629] Tainted: [W]=WARN
[   28.429717][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.429884][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.430054][  T629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.430518][  T629] RSP: 0018:ffa0000001d77a80 EFLAGS: 00010286
[   28.430681][  T629] RAX: 00000000ffffffa6 RBX: ff1100000fe90580 RCX: 1ff40000003aef16
[   28.430880][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9063c
[   28.431077][  T629] RBP: ff1100000fd7c000 R08: 1fe2200001fd20c9 R09: ff110000124b5180
[   28.431271][  T629] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.431463][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd7c000
[   28.431665][  T629] FS:  00007f0fd80e6840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.431907][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.432070][  T629] CR2: 00007f0fd845f493 CR3: 0000000009abb002 CR4: 0000000000771ef0
[   28.432267][  T629] PKRU: 55555554
[   28.432365][  T629] Call Trace:
[   28.432461][  T629]  <TASK>
[   28.432532][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.432661][  T629]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.432797][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.432901][  T629]  register_netdevice (net/core/dev.c:11488)
[   28.433034][  T629]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.433198][  T629]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.433329][  T629]  register_netdev (net/core/dev.c:11552)
[   28.433459][  T629]  loopback_net_init (drivers/net/loopback.c:218)
[   28.433594][  T629]  ops_init (net/core/net_namespace.c:137)
[   28.433693][  T629]  setup_net (net/core/net_namespace.c:446)
[   28.433798][  T629]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.433932][  T629]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.434061][  T629]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.434192][  T629]  copy_net_ns (net/core/net_namespace.c:579)
[   28.434322][  T629]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.434455][  T629]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.434588][  T629]  ksys_unshare (kernel/fork.c:3243)
[   28.434724][  T629]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.434857][  T629]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.434991][  T629]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.435124][  T629]  ? __ia32_sys_open (fs/open.c:1374)
[   28.435256][  T629]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.435386][  T629]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.435518][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.435647][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.435781][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.435914][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.436077][  T629] RIP: 0033:0x7f0fd83a8bcb
[   28.436213][  T629] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.436677][  T629] RSP: 002b:00007ffe89a64478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.436882][  T629] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fd83a8bcb
[   28.437078][  T629] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.437271][  T629] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.437462][  T629] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe89a666a0
[   28.437658][  T629] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe89a68847
| [   28.441804][  T629] ------------[ cut here ]------------
| [   28.441944][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/629
| [   28.442169][  T629] Modules linked in:
| [   28.442531][  T629] Tainted: [W]=WARN
[   28.442629][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.442797][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.442970][  T629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.443431][  T629] RSP: 0018:ffa0000001d77918 EFLAGS: 00010286
[   28.443597][  T629] RAX: 00000000ffffffa6 RBX: ff1100000a16a3c0 RCX: 1ff40000003aeee9
[   28.443798][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a47c
[   28.443994][  T629] RBP: ff11000009764000 R08: 1fe220000142d491 R09: ff110000124b5180
[   28.444187][  T629] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.444379][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009764000
[   28.444578][  T629] FS:  00007f0fd80e6840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.444811][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.444976][  T629] CR2: 00007f0fd845f493 CR3: 0000000009abb002 CR4: 0000000000771ef0
[   28.445173][  T629] PKRU: 55555554
[   28.445269][  T629] Call Trace:
[   28.445365][  T629]  <TASK>
[   28.445432][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.445565][  T629]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.445695][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.445800][  T629]  register_netdevice (net/core/dev.c:11488)
[   28.445936][  T629]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.446097][  T629]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.446230][  T629]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   28.446362][  T629]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   28.446491][  T629]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   28.446626][  T629]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   28.446760][  T629]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   28.446895][  T629]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   28.447026][  T629]  ops_init (net/core/net_namespace.c:137)
[   28.447126][  T629]  setup_net (net/core/net_namespace.c:446)
[   28.447226][  T629]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.447356][  T629]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.447485][  T629]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.447618][  T629]  copy_net_ns (net/core/net_namespace.c:579)
[   28.447753][  T629]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.447889][  T629]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.448020][  T629]  ksys_unshare (kernel/fork.c:3243)
[   28.448147][  T629]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.448278][  T629]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.448407][  T629]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.448541][  T629]  ? __ia32_sys_open (fs/open.c:1374)
[   28.448672][  T629]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.448807][  T629]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.448943][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.449073][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.449204][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.449333][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.449493][  T629] RIP: 0033:0x7f0fd83a8bcb
[   28.449631][  T629] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.450104][  T629] RSP: 002b:00007ffe89a64478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.450301][  T629] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fd83a8bcb
[   28.450495][  T629] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.450692][  T629] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.450895][  T629] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe89a666a0
[   28.451089][  T629] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe89a68847
| [   28.454893][  T629] ------------[ cut here ]------------
| [   28.455030][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/629
| [   28.455258][  T629] Modules linked in:
| [   28.455622][  T629] Tainted: [W]=WARN
[   28.455725][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.455903][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.456076][  T629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.456544][  T629] RSP: 0018:ffa0000001d778f8 EFLAGS: 00010286
[   28.456716][  T629] RAX: 00000000ffffffa6 RBX: ff11000001e4a3c0 RCX: 1ff40000003aeee5
[   28.456921][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a47c
[   28.457117][  T629] RBP: ff11000005ef4000 R08: 1fe22000003c9491 R09: ff110000124b5180
[   28.457311][  T629] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.457508][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005ef4000
[   28.457715][  T629] FS:  00007f0fd80e6840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.457951][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.458119][  T629] CR2: 00007f0fd845f493 CR3: 0000000009abb002 CR4: 0000000000771ef0
[   28.458316][  T629] PKRU: 55555554
[   28.458415][  T629] Call Trace:
[   28.458516][  T629]  <TASK>
[   28.458586][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.458723][  T629]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.458855][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.458961][  T629]  register_netdevice (net/core/dev.c:11488)
[   28.459094][  T629]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.459256][  T629]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.459389][  T629]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   28.459523][  T629]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   28.459655][  T629]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   28.459791][  T629]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   28.459928][  T629]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   28.460062][  T629]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   28.460195][  T629]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.460327][  T629]  vti_init_net (net/ipv4/ip_vti.c:517)
[   28.460460][  T629]  ops_init (net/core/net_namespace.c:137)
[   28.460566][  T629]  setup_net (net/core/net_namespace.c:446)
[   28.460665][  T629]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.460802][  T629]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.460939][  T629]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.461074][  T629]  copy_net_ns (net/core/net_namespace.c:579)
[   28.461206][  T629]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.461340][  T629]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.461473][  T629]  ksys_unshare (kernel/fork.c:3243)
[   28.461608][  T629]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.461745][  T629]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.461881][  T629]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.462014][  T629]  ? __ia32_sys_open (fs/open.c:1374)
[   28.462147][  T629]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.462278][  T629]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.462409][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.462544][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.462674][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.462809][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.462977][  T629] RIP: 0033:0x7f0fd83a8bcb
[   28.463114][  T629] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.463585][  T629] RSP: 002b:00007ffe89a64478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.463787][  T629] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fd83a8bcb
[   28.463987][  T629] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.464182][  T629] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.464378][  T629] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe89a666a0
[   28.464577][  T629] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe89a68847
| [   28.468685][  T629] ------------[ cut here ]------------
| [   28.468825][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/629
| [   28.469347][  T629] Modules linked in:
| [   28.469720][  T629] Tainted: [W]=WARN
[   28.469819][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.469990][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.470161][  T629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.470626][  T629] RSP: 0018:ffa0000001d77a78 EFLAGS: 00010286
[   28.470795][  T629] RAX: 00000000ffffffa6 RBX: ff11000001e4ba80 RCX: 1ff40000003aef15
[   28.470994][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4bb3c
[   28.471187][  T629] RBP: ff11000004d41000 R08: 1fe22000003c9769 R09: ff110000124b5180
[   28.471383][  T629] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.471580][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d41000
[   28.471781][  T629] FS:  00007f0fd80e6840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.472010][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.472173][  T629] CR2: 00007f0fd845f493 CR3: 0000000009abb002 CR4: 0000000000771ef0
[   28.472370][  T629] PKRU: 55555554
[   28.472468][  T629] Call Trace:
[   28.472569][  T629]  <TASK>
[   28.472636][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.472774][  T629]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.472909][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.473008][  T629]  register_netdevice (net/core/dev.c:11488)
[   28.473143][  T629]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.473303][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.473436][  T629]  register_netdev (net/core/dev.c:11552)
[   28.473569][  T629]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   28.473700][  T629]  ops_init (net/core/net_namespace.c:137)
[   28.473807][  T629]  setup_net (net/core/net_namespace.c:446)
[   28.473910][  T629]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.474039][  T629]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.474170][  T629]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.474302][  T629]  copy_net_ns (net/core/net_namespace.c:579)
[   28.474431][  T629]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.474570][  T629]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.474700][  T629]  ksys_unshare (kernel/fork.c:3243)
[   28.474836][  T629]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.474971][  T629]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.475101][  T629]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.475232][  T629]  ? __ia32_sys_open (fs/open.c:1374)
[   28.475363][  T629]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.475492][  T629]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.475625][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.475760][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.475895][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.476025][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.476187][  T629] RIP: 0033:0x7f0fd83a8bcb
[   28.476320][  T629] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.476785][  T629] RSP: 002b:00007ffe89a64478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.476986][  T629] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fd83a8bcb
[   28.477179][  T629] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.477370][  T629] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.477568][  T629] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe89a666a0
[   28.477766][  T629] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe89a68847
| [   28.482049][  T629] ------------[ cut here ]------------
| [   28.482185][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/629
| [   28.482493][  T629] Modules linked in:
| [   28.483465][  T629] Tainted: [W]=WARN
[   28.483569][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.483738][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.483964][  T629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.484422][  T629] RSP: 0018:ffa0000001d77a68 EFLAGS: 00010286
[   28.484585][  T629] RAX: 00000000ffffffa6 RBX: ff1100000d637e00 RCX: 1ff40000003aef13
[   28.484786][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637ebc
[   28.485035][  T629] RBP: ff110000125b4000 R08: 1fe2200001ac6fd9 R09: ff110000124b5180
[   28.485230][  T629] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.485423][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000125b4000
[   28.485676][  T629] FS:  00007f0fd80e6840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.485969][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.486139][  T629] CR2: 00007f0fd845f493 CR3: 0000000009abb002 CR4: 0000000000771ef0
[   28.486337][  T629] PKRU: 55555554
[   28.486434][  T629] Call Trace:
[   28.486533][  T629]  <TASK>
[   28.486601][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.486737][  T629]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.486920][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.487020][  T629]  register_netdevice (net/core/dev.c:11488)
[   28.487153][  T629]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.487317][  T629]  register_netdev (net/core/dev.c:11552)
[   28.487446][  T629]  sit_init_net (net/ipv6/sit.c:1860)
[   28.487582][  T629]  ops_init (net/core/net_namespace.c:137)
[   28.487681][  T629]  setup_net (net/core/net_namespace.c:446)
[   28.487784][  T629]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.487968][  T629]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.488096][  T629]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.488227][  T629]  copy_net_ns (net/core/net_namespace.c:579)
[   28.488357][  T629]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.488490][  T629]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.488625][  T629]  ksys_unshare (kernel/fork.c:3243)
[   28.488757][  T629]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.488942][  T629]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.489073][  T629]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.489203][  T629]  ? __ia32_sys_open (fs/open.c:1374)
[   28.489334][  T629]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.489462][  T629]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.489594][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.489729][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.489859][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.490127][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.490287][  T629] RIP: 0033:0x7f0fd83a8bcb
[   28.490421][  T629] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.490940][  T629] RSP: 002b:00007ffe89a64478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.491134][  T629] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fd83a8bcb
[   28.491327][  T629] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.491610][  T629] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.491807][  T629] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe89a666a0
[   28.492142][  T629] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe89a68847
| [   28.502437][  T629] ------------[ cut here ]------------
| [   28.502620][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/629
| [   28.502918][  T629] Modules linked in:
| [   28.503377][  T629] Tainted: [W]=WARN
[   28.503527][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.503744][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.503978][  T629] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.504485][  T629] RSP: 0018:ffa0000001d77a78 EFLAGS: 00010286
[   28.504701][  T629] RAX: 00000000ffffffa6 RBX: ff1100000f1b78c0 RCX: 1ff40000003aef15
[   28.504961][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b797c
[   28.505204][  T629] RBP: ff110000094c4000 R08: 1fe2200001e36f31 R09: ff110000124b5180
[   28.505442][  T629] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.505687][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094c4000
[   28.505949][  T629] FS:  00007f0fd80e6840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   28.506222][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.506434][  T629] CR2: 000055dfdb5e2d5c CR3: 0000000009abb004 CR4: 0000000000771ef0
[   28.506684][  T629] PKRU: 55555554
[   28.506837][  T629] Call Trace:
[   28.506992][  T629]  <TASK>
[   28.507108][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.507286][  T629]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.507463][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.507622][  T629]  register_netdevice (net/core/dev.c:11488)
[   28.507811][  T629]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.508032][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.508214][  T629]  register_netdev (net/core/dev.c:11552)
[   28.508392][  T629]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   28.508580][  T629]  ops_init (net/core/net_namespace.c:137)
[   28.508733][  T629]  setup_net (net/core/net_namespace.c:446)
[   28.508896][  T629]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.509071][  T629]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.509250][  T629]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.509430][  T629]  copy_net_ns (net/core/net_namespace.c:579)
[   28.509618][  T629]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.509809][  T629]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.510000][  T629]  ksys_unshare (kernel/fork.c:3243)
[   28.510179][  T629]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.510355][  T629]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.510533][  T629]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.510721][  T629]  ? __ia32_sys_open (fs/open.c:1374)
[   28.510914][  T629]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.511091][  T629]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.511267][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.511446][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.511628][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.511815][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.512034][  T629] RIP: 0033:0x7f0fd83a8bcb
[   28.512217][  T629] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.512738][  T629] RSP: 002b:00007ffe89a64478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.512993][  T629] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fd83a8bcb
[   28.513233][  T629] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.513473][  T629] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.513729][  T629] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe89a666a0
[   28.513980][  T629] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe89a68847
| [   28.537279][  T630] ------------[ cut here ]------------
| [   28.537422][  T630] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/630
| [   28.537651][  T630] Modules linked in:
| [   28.538017][  T630] Tainted: [W]=WARN
[   28.538114][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.538272][  T630] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.538440][  T630] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.538911][  T630] RSP: 0018:ffa0000001d77020 EFLAGS: 00010286
[   28.539073][  T630] RAX: 00000000ffffffa6 RBX: ff1100000dc271c0 RCX: 1ff40000003aedca
[   28.539265][  T630] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2727c
[   28.539459][  T630] RBP: ff1100000fd7c000 R08: 1fe2200001b84e51 R09: ff11000010270b58
[   28.539653][  T630] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   28.539848][  T630] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.540047][  T630] FS:  00007f48fec19840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   28.540272][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.540433][  T630] CR2: 000000000b149988 CR3: 0000000008dc5004 CR4: 0000000000771ef0
[   28.540628][  T630] PKRU: 55555554
[   28.540730][  T630] Call Trace:
[   28.540826][  T630]  <TASK>
[   28.540897][  T630]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.541029][  T630]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.541126][  T630]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.541253][  T630]  __dev_notify_flags (net/core/dev.c:9787)
[   28.541381][  T630]  ? netif_change_name (net/core/dev.c:1495)
[   28.541511][  T630]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.541639][  T630]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.541770][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.541983][  T630]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   28.542115][  T630]  netif_change_flags (net/core/dev.c:9820)
[   28.542244][  T630]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.542372][  T630]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.542502][  T630]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.542636][  T630]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.542801][  T630]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.543008][  T630]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.543138][  T630]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.543264][  T630]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.543393][  T630]  ? __kernel_text_address (kernel/extable.c:79)
[   28.543522][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.543653][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.543787][  T630]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.544018][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.544147][  T630]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.544273][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.544400][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.544531][  T630]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.544660][  T630]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   28.544793][  T630]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.544997][  T630]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.545126][  T630]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.545256][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.545386][  T630]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.545518][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.545645][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.545776][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.545988][  T630]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.546116][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.546244][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.546370][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.546497][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.546629][  T630]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.546763][  T630]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.546947][  T630]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.547075][  T630]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.547202][  T630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.547329][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.547457][  T630]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.547585][  T630]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.547717][  T630]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.547845][  T630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.548026][  T630]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.548158][  T630]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.548286][  T630]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.548413][  T630]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.548546][  T630]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.548674][  T630]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.548809][  T630]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.548991][  T630]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.549120][  T630]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.549251][  T630]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.549379][  T630]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.549507][  T630]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.549666][  T630]  ? move_addr_to_kernel (net/socket.c:258)
[   28.549800][  T630]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.549976][  T630]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.550106][  T630]  ___sys_sendmsg (net/socket.c:2752)
[   28.550234][  T630]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.550391][  T630]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.550531][  T630]  __sys_sendmsg (net/socket.c:2784)
[   28.550659][  T630]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.550790][  T630]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.550956][  T630]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.551085][  T630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.551213][  T630]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.551339][  T630]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.551466][  T630]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.551597][  T630]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.551758][  T630] RIP: 0033:0x7f48fee5308e
[   28.551897][  T630] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.552348][  T630] RSP: 002b:00007ffde7da9c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.552541][  T630] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f48fee5308e
[   28.552735][  T630] RDX: 0000000000000000 RSI: 00007ffde7da9cb0 RDI: 0000000000000005
[   28.552928][  T630] RBP: 00007ffde7da9c10 R08: 0000000000000000 R09: 0000000000000000
[   28.553120][  T630] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd08
[   28.553311][  T630] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde7daa380
| [   28.898316][  T645] ------------[ cut here ]------------
| [   28.898492][  T645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/645
| [   28.898749][  T645] Modules linked in:
| [   28.899140][  T645] Tainted: [W]=WARN
[   28.899242][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.899412][  T645] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.899591][  T645] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.900078][  T645] RSP: 0018:ffa0000001e56e30 EFLAGS: 00010286
[   28.900249][  T645] RAX: 00000000ffffffa6 RBX: ff1100000dc263c0 RCX: 1ff40000003cad8c
[   28.900450][  T645] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2647c
[   28.900652][  T645] RBP: ff11000008e5c000 R08: 1fe2200001b84c91 R09: ff1100000f188b80
[   28.900856][  T645] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.901062][  T645] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b31580
[   28.901265][  T645] FS:  00007fb8a815e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   28.901501][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.901673][  T645] CR2: 000000000042ebe0 CR3: 000000000aa3a004 CR4: 0000000000771ef0
[   28.901883][  T645] PKRU: 55555554
[   28.901985][  T645] Call Trace:
[   28.902084][  T645]  <TASK>
[   28.902154][  T645]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.902294][  T645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.902396][  T645]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   28.902567][  T645]  __dev_notify_flags (net/core/dev.c:9787)
[   28.902703][  T645]  ? netif_change_name (net/core/dev.c:1495)
[   28.902841][  T645]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.902979][  T645]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.903112][  T645]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.903247][  T645]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   28.903383][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.903520][  T645]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.903655][  T645]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.903792][  T645]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.903932][  T645]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   28.904069][  T645]  veth_newlink (drivers/net/veth.c:1871)
[   28.904207][  T645]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   28.904341][  T645]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.904476][  T645]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.904612][  T645]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.904766][  T645]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   28.904907][  T645]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   28.905042][  T645]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   28.905177][  T645]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.905312][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   28.905447][  T645]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   28.905586][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.905725][  T645]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.905860][  T645]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.906005][  T645]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.906144][  T645]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.906281][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.906413][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.906551][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.906684][  T645]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.906821][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.906965][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.907100][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.907235][  T645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.907370][  T645]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.907506][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.907642][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.907784][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.907923][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.908059][  T645]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.908191][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.908328][  T645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.908466][  T645]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.908603][  T645]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.908745][  T645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.908884][  T645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.909019][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.909153][  T645]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.909290][  T645]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.909426][  T645]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.909568][  T645]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.909704][  T645]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.909845][  T645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.910017][  T645]  ? move_addr_to_kernel (net/socket.c:258)
[   28.910158][  T645]  ___sys_sendmsg (net/socket.c:2752)
[   28.910291][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.910427][  T645]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.910574][  T645]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   28.910717][  T645]  __sys_sendmsg (net/socket.c:2784)
[   28.910854][  T645]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.910997][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.911133][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.911269][  T645]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.911407][  T645]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.911546][  T645]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.911682][  T645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.911855][  T645] RIP: 0033:0x7fb8a839808e
[   28.912003][  T645] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.912481][  T645] RSP: 002b:00007ffcf751daa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.912684][  T645] RAX: ffffffffffffffda RBX: 00007ffcf751e248 RCX: 00007fb8a839808e
[   28.912893][  T645] RDX: 0000000000000000 RSI: 00007ffcf751db50 RDI: 0000000000000005
[   28.913094][  T645] RBP: 00007ffcf751dab0 R08: 0000000000000000 R09: 0000000000000000
[   28.913296][  T645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   28.913496][  T645] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf751e220
| [   28.929138][  T645] ------------[ cut here ]------------
| [   28.929295][  T645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/645
| [   28.929531][  T645] Modules linked in:
| [   28.929914][  T645] Tainted: [W]=WARN
[   28.930015][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.930185][  T645] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.930358][  T645] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.930836][  T645] RSP: 0018:ffa0000001e571b0 EFLAGS: 00010286
[   28.931011][  T645] RAX: 00000000ffffffa6 RBX: ff1100000a9a6040 RCX: 1ff40000003cadfc
[   28.931211][  T645] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a60fc
[   28.931409][  T645] RBP: ff11000008e59000 R08: 1fe2200001534c21 R09: ff1100000f188b80
[   28.931611][  T645] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.931839][  T645] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   28.932046][  T645] FS:  00007fb8a815e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   28.932280][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.932446][  T645] CR2: 000000000042ebe0 CR3: 000000000aa3a004 CR4: 0000000000771ef0
[   28.932648][  T645] PKRU: 55555554
[   28.932762][  T645] Call Trace:
[   28.932861][  T645]  <TASK>
[   28.932934][  T645]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.933067][  T645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.933167][  T645]  __dev_notify_flags (net/core/dev.c:9787)
[   28.933301][  T645]  ? netif_change_name (net/core/dev.c:1495)
[   28.933435][  T645]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   28.933573][  T645]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.933705][  T645]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.933854][  T645]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   28.933998][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.934131][  T645]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.934265][  T645]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.934404][  T645]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.934545][  T645]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.934681][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.934820][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.934958][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.935091][  T645]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.935224][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.935360][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.935495][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.935632][  T645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.935771][  T645]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.935997][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.936133][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.936268][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.936400][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.936539][  T645]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.936672][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.936810][  T645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.936951][  T645]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.937086][  T645]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.937221][  T645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.937356][  T645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.937490][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.937628][  T645]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.937769][  T645]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.937909][  T645]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.938045][  T645]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.938180][  T645]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.938313][  T645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.938478][  T645]  ? move_addr_to_kernel (net/socket.c:258)
[   28.938620][  T645]  ___sys_sendmsg (net/socket.c:2752)
[   28.938757][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.938896][  T645]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.939040][  T645]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   28.939178][  T645]  __sys_sendmsg (net/socket.c:2784)
[   28.939312][  T645]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.939451][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.939609][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.939749][  T645]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.939887][  T645]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.940021][  T645]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.940157][  T645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.940322][  T645] RIP: 0033:0x7fb8a839808e
[   28.940462][  T645] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.940950][  T645] RSP: 002b:00007ffcf751daa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.941155][  T645] RAX: ffffffffffffffda RBX: 00007ffcf751e248 RCX: 00007fb8a839808e
[   28.941354][  T645] RDX: 0000000000000000 RSI: 00007ffcf751db50 RDI: 0000000000000005
[   28.941553][  T645] RBP: 00007ffcf751dab0 R08: 0000000000000000 R09: 0000000000000000
[   28.941757][  T645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   28.941964][  T645] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf751e220
| [   28.982030][  T646] ------------[ cut here ]------------
| [   28.982186][  T646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/646
| [   28.982412][  T646] Modules linked in:
| [   28.982784][  T646] Tainted: [W]=WARN
[   28.982888][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.983049][  T646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.983220][  T646] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.983678][  T646] RSP: 0018:ffa0000001e66ff8 EFLAGS: 00010286
[   28.983845][  T646] RAX: 00000000ffffffa6 RBX: ff1100000a9a71c0 RCX: 1ff40000003ccdc5
[   28.984041][  T646] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a727c
[   28.984232][  T646] RBP: ff11000008e5c000 R08: 1fe2200001534e51 R09: ff1100000f18ae58
[   28.984426][  T646] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.984620][  T646] R13: 0000000000000000 R14: ffa0000001e67140 R15: ff1100000ddeea50
[   28.984818][  T646] FS:  00007f1620942840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   28.985049][  T646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.985212][  T646] CR2: 00007f1620c121a0 CR3: 000000000f130004 CR4: 0000000000771ef0
[   28.985406][  T646] PKRU: 55555554
[   28.985502][  T646] Call Trace:
[   28.985603][  T646]  <TASK>
[   28.985669][  T646]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   28.985810][  T646]  __dev_change_net_namespace (net/core/dev.c:12635)
[   28.985977][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.986106][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.986237][  T646]  ? default_device_exit_batch (net/core/dev.c:13091)
[   28.986397][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.986528][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.986659][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.986793][  T646]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   28.986931][  T646]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.987063][  T646]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   28.987194][  T646]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.987325][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.987486][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.987616][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.987751][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.987883][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.988014][  T646]  ? __kernel_text_address (kernel/extable.c:79)
[   28.988143][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.988273][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.988417][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.988550][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.988681][  T646]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.988816][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.988949][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.989078][  T646]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.989208][  T646]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   28.989337][  T646]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.989467][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.989602][  T646]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.989736][  T646]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.989873][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.990007][  T646]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.990139][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.990268][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.990398][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.990529][  T646]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.990657][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.990791][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.990995][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.991124][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.991253][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.991383][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.991516][  T646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.991647][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.991782][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.991917][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.992047][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.992175][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.992305][  T646]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.992434][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.992567][  T646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.992699][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.992833][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.992971][  T646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.993102][  T646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.993232][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.993361][  T646]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.993491][  T646]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.993626][  T646]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.993759][  T646]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.993898][  T646]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.994027][  T646]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.994185][  T646]  ? move_addr_to_kernel (net/socket.c:258)
[   28.994315][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.994443][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.994577][  T646]  ___sys_sendmsg (net/socket.c:2752)
[   28.994706][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.994879][  T646]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.995021][  T646]  __sys_sendmsg (net/socket.c:2784)
[   28.995150][  T646]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.995278][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.995439][  T646]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.995573][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.995704][  T646]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.995841][  T646]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.995973][  T646]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.996101][  T646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.996261][  T646] RIP: 0033:0x7f1620b7c08e
[   28.996397][  T646] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.996870][  T646] RSP: 002b:00007ffd457988e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.997064][  T646] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1620b7c08e
[   28.997253][  T646] RDX: 0000000000000000 RSI: 00007ffd45798990 RDI: 0000000000000005
[   28.997444][  T646] RBP: 00007ffd457988f0 R08: 0000000000000000 R09: 0000000000000000
[   28.997640][  T646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   28.997839][  T646] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45799060
| [   29.000392][  T646] ------------[ cut here ]------------
| [   29.000531][  T646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/646
| [   29.000759][  T646] Modules linked in:
| [   29.001125][  T646] Tainted: [W]=WARN
[   29.001224][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.001386][  T646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.001555][  T646] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.002025][  T646] RSP: 0018:ffa0000001e66fc0 EFLAGS: 00010286
[   29.002190][  T646] RAX: 00000000ffffffa6 RBX: ff11000010aba900 RCX: 1ff40000003ccdbe
[   29.002384][  T646] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010aba9bc
[   29.002578][  T646] RBP: ff11000008e5c000 R08: 1fe2200002157539 R09: ff1100000f18ae58
[   29.002776][  T646] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.002974][  T646] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ddeea50
[   29.003168][  T646] FS:  00007f1620942840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.003396][  T646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.003562][  T646] CR2: 00007f1620c121a0 CR3: 000000000f130004 CR4: 0000000000771ef0
[   29.003761][  T646] PKRU: 55555554
[   29.003860][  T646] Call Trace:
[   29.003962][  T646]  <TASK>
[   29.004029][  T646]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.004160][  T646]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.004292][  T646]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.004391][  T646]  __dev_change_net_namespace (net/core/dev.c:12695)
[   29.004555][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.004685][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.004823][  T646]  ? default_device_exit_batch (net/core/dev.c:13091)
[   29.004991][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.005122][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.005253][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.005385][  T646]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.005519][  T646]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.005651][  T646]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   29.005791][  T646]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.005927][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.006089][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.006219][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.006349][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.006478][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.006613][  T646]  ? __kernel_text_address (kernel/extable.c:79)
[   29.006747][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.006883][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.007014][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.007146][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.007277][  T646]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.007405][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.007540][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.007672][  T646]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.007809][  T646]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.007945][  T646]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.008076][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.008210][  T646]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.008341][  T646]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.008474][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.008612][  T646]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.008834][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.008968][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.009097][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.009226][  T646]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.009437][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.009574][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.009703][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.009840][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.010060][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.010195][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.010325][  T646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.010455][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.010669][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.010805][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.010945][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.011076][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.011291][  T646]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.011423][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.011555][  T646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.011689][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.011910][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.012044][  T646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.012178][  T646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.012309][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.012529][  T646]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.012662][  T646]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.012802][  T646]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.012942][  T646]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.013157][  T646]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.013289][  T646]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.013452][  T646]  ? move_addr_to_kernel (net/socket.c:258)
[   29.013613][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.013833][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.013971][  T646]  ___sys_sendmsg (net/socket.c:2752)
[   29.014101][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.014265][  T646]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.014492][  T646]  __sys_sendmsg (net/socket.c:2784)
[   29.014628][  T646]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.014763][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.015016][  T646]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.015148][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.015279][  T646]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.015409][  T646]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.015543][  T646]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.015763][  T646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.015931][  T646] RIP: 0033:0x7f1620b7c08e
[   29.016067][  T646] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.016622][  T646] RSP: 002b:00007ffd457988e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.016913][  T646] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1620b7c08e
[   29.017108][  T646] RDX: 0000000000000000 RSI: 00007ffd45798990 RDI: 0000000000000005
[   29.017303][  T646] RBP: 00007ffd457988f0 R08: 0000000000000000 R09: 0000000000000000
[   29.017588][  T646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.017788][  T646] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45799060
| [   29.019965][  T646] ------------[ cut here ]------------
| [   29.020093][  T646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/646
| [   29.020317][  T646] Modules linked in:
| [   29.020781][  T646] Tainted: [W]=WARN
[   29.021377][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.021550][  T646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.021725][  T646] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.022246][  T646] RSP: 0018:ffa0000001e67038 EFLAGS: 00010286
[   29.022411][  T646] RAX: 00000000ffffffa6 RBX: ff11000010abae40 RCX: 1ff40000003ccdcd
[   29.022609][  T646] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abaefc
[   29.022809][  T646] RBP: ff11000008e5c000 R08: 1fe22000021575e1 R09: ff1100000f18ae58
[   29.023057][  T646] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   29.023251][  T646] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   29.023447][  T646] FS:  00007f1620942840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.023678][  T646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.023848][  T646] CR2: 00007f1620c121a0 CR3: 000000000f130004 CR4: 0000000000771ef0
[   29.024098][  T646] PKRU: 55555554
[   29.024195][  T646] Call Trace:
[   29.024293][  T646]  <TASK>
[   29.024361][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.024491][  T646]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   29.024626][  T646]  notifier_call_chain (kernel/notifier.c:85)
[   29.024762][  T646]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   29.024947][  T646]  ? default_device_exit_batch (net/core/dev.c:13091)
[   29.025111][  T646]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   29.025273][  T646]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.025404][  T646]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.025541][  T646]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   29.025674][  T646]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.025810][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.026024][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.026156][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.026287][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.026418][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.026551][  T646]  ? __kernel_text_address (kernel/extable.c:79)
[   29.026682][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.026957][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.027089][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.027220][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.027351][  T646]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.027481][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.027613][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.027830][  T646]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.028015][  T646]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.028147][  T646]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.028278][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.028410][  T646]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.028542][  T646]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.028675][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.028950][  T646]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.029086][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.029217][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.029348][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.029479][  T646]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.029613][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.029835][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.030022][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.030156][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.030288][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.030420][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.030555][  T646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.030685][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.030955][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.031085][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.031219][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.031348][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.031481][  T646]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.031614][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.031833][  T646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.032023][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.032155][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.032290][  T646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.032423][  T646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.032555][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.032689][  T646]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.032961][  T646]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.033095][  T646]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.033227][  T646]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.033357][  T646]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.033489][  T646]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.033653][  T646]  ? move_addr_to_kernel (net/socket.c:258)
[   29.033927][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.034058][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.034190][  T646]  ___sys_sendmsg (net/socket.c:2752)
[   29.034319][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.034482][  T646]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.034627][  T646]  __sys_sendmsg (net/socket.c:2784)
[   29.034844][  T646]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.035027][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.035192][  T646]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.035323][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.035455][  T646]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.035588][  T646]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.035725][  T646]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.035993][  T646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.036155][  T646] RIP: 0033:0x7f1620b7c08e
[   29.036290][  T646] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.036853][  T646] RSP: 002b:00007ffd457988e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.037104][  T646] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1620b7c08e
[   29.037298][  T646] RDX: 0000000000000000 RSI: 00007ffd45798990 RDI: 0000000000000005
[   29.037491][  T646] RBP: 00007ffd457988f0 R08: 0000000000000000 R09: 0000000000000000
[   29.037688][  T646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.038026][  T646] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45799060
| [   29.046088][  T646] ------------[ cut here ]------------
| [   29.046272][  T646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/646
| [   29.046546][  T646] Modules linked in:
| [   29.047015][  T646] Tainted: [W]=WARN
[   29.047162][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.047373][  T646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.047602][  T646] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.048123][  T646] RSP: 0018:ffa0000001e67020 EFLAGS: 00010286
[   29.048331][  T646] RAX: 00000000ffffffa6 RBX: ff1100000f1b7a80 RCX: 1ff40000003ccdca
[   29.048577][  T646] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b7b3c
[   29.048819][  T646] RBP: ff11000008e5c000 R08: 1fe2200001e36f69 R09: ff1100000f18ae58
[   29.049067][  T646] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   29.049303][  T646] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.049547][  T646] FS:  00007f1620942840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   29.049830][  T646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.050046][  T646] CR2: 000055dfdb5e2d5c CR3: 000000000f130002 CR4: 0000000000771ef0
[   29.050282][  T646] PKRU: 55555554
[   29.050424][  T646] Call Trace:
[   29.050575][  T646]  <TASK>
[   29.050689][  T646]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.050885][  T646]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.051030][  T646]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.051209][  T646]  __dev_notify_flags (net/core/dev.c:9787)
[   29.051389][  T646]  ? netif_change_name (net/core/dev.c:1495)
[   29.051571][  T646]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.051755][  T646]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.051944][  T646]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   29.052151][  T646]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.052329][  T646]  netif_change_flags (net/core/dev.c:9820)
[   29.052506][  T646]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.052690][  T646]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.052886][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.053095][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.053269][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.053443][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.053624][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.053810][  T646]  ? __kernel_text_address (kernel/extable.c:79)
[   29.054000][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.054179][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.054354][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.054533][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.054720][  T646]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.054908][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.055083][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.055258][  T646]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.055434][  T646]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.055618][  T646]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.055803][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.055995][  T646]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.056172][  T646]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.056351][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.056533][  T646]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.056721][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.056908][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.057087][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.057262][  T646]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.057435][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.057621][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.057804][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.057992][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.058170][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.058347][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.058525][  T646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.058703][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.058899][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.059074][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.059253][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.059426][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.059612][  T646]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.059795][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.059984][  T646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.060164][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.060339][  T646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.060521][  T646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.060699][  T646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.060895][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.061072][  T646]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.061248][  T646]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.061423][  T646]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.061608][  T646]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.061791][  T646]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.061979][  T646]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.062186][  T646]  ? move_addr_to_kernel (net/socket.c:258)
[   29.062361][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.062540][  T646]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.062724][  T646]  ___sys_sendmsg (net/socket.c:2752)
[   29.062915][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.063128][  T646]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.063317][  T646]  __sys_sendmsg (net/socket.c:2784)
[   29.063498][  T646]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.063686][  T646]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.063923][  T646]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.064102][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.064283][  T646]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.064462][  T646]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.064651][  T646]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.064840][  T646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.065066][  T646] RIP: 0033:0x7f1620b7c08e
[   29.065252][  T646] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.065783][  T646] RSP: 002b:00007ffd457988e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.066041][  T646] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1620b7c08e
[   29.066286][  T646] RDX: 0000000000000000 RSI: 00007ffd45798990 RDI: 0000000000000005
[   29.066532][  T646] RBP: 00007ffd457988f0 R08: 0000000000000000 R09: 0000000000000000
[   29.066788][  T646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.067043][  T646] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45799060
| [   29.106429][  T647] ------------[ cut here ]------------
| [   29.106590][  T647] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/647
| [   29.106837][  T647] Modules linked in:
| [   29.107227][  T647] Tainted: [W]=WARN
[   29.107332][  T647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.107503][  T647] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.107687][  T647] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.108185][  T647] RSP: 0018:ffa0000001e66e30 EFLAGS: 00010286
[   29.108360][  T647] RAX: 00000000ffffffa6 RBX: ff1100000e441c40 RCX: 1ff40000003ccd8c
[   29.108571][  T647] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e441cfc
[   29.108781][  T647] RBP: ff1100000a83c000 R08: 1fe2200001c883a1 R09: ff1100000dcf5180
[   29.108991][  T647] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.109198][  T647] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf5e000
[   29.109405][  T647] FS:  00007f28775c0840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   29.109650][  T647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.109827][  T647] CR2: 000000000042ebe0 CR3: 000000000aa3a001 CR4: 0000000000771ef0
[   29.110042][  T647] PKRU: 55555554
[   29.110146][  T647] Call Trace:
[   29.110248][  T647]  <TASK>
[   29.110318][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.110457][  T647]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.110599][  T647]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.110703][  T647]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   29.110845][  T647]  __dev_notify_flags (net/core/dev.c:9787)
[   29.110986][  T647]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   29.111124][  T647]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   29.111262][  T647]  ? netif_change_name (net/core/dev.c:1495)
[   29.111399][  T647]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.111541][  T647]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.111678][  T647]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.111821][  T647]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.111966][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.112104][  T647]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.112245][  T647]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.112381][  T647]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.112520][  T647]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   29.112659][  T647]  veth_newlink (drivers/net/veth.c:1871)
[   29.112802][  T647]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   29.112944][  T647]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.113083][  T647]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.113221][  T647]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.113374][  T647]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   29.113515][  T647]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   29.113652][  T647]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   29.113795][  T647]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.113940][  T647]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   29.114078][  T647]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   29.114217][  T647]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.114355][  T647]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.114491][  T647]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.114638][  T647]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.114786][  T647]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.114930][  T647]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.115066][  T647]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.115202][  T647]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.115340][  T647]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.115474][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.115618][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.115760][  T647]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.115903][  T647]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.116039][  T647]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.116175][  T647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.116311][  T647]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.116451][  T647]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.116588][  T647]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.116730][  T647]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.116872][  T647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.117010][  T647]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.117151][  T647]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.117287][  T647]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.117427][  T647]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.117570][  T647]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.117707][  T647]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.117849][  T647]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.117994][  T647]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.118133][  T647]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.118270][  T647]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.118406][  T647]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.118546][  T647]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.118721][  T647]  ? move_addr_to_kernel (net/socket.c:258)
[   29.118863][  T647]  ___sys_sendmsg (net/socket.c:2752)
[   29.119004][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.119142][  T647]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.119287][  T647]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   29.119426][  T647]  __sys_sendmsg (net/socket.c:2784)
[   29.119567][  T647]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.119707][  T647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.119850][  T647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.119993][  T647]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.120131][  T647]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.120267][  T647]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.120403][  T647]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.120577][  T647] RIP: 0033:0x7f28777fa08e
[   29.120726][  T647] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.121220][  T647] RSP: 002b:00007ffe6c819680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.121426][  T647] RAX: ffffffffffffffda RBX: 00007ffe6c819e28 RCX: 00007f28777fa08e
[   29.121635][  T647] RDX: 0000000000000000 RSI: 00007ffe6c819730 RDI: 0000000000000005
[   29.121846][  T647] RBP: 00007ffe6c819690 R08: 0000000000000000 R09: 0000000000000000
[   29.122053][  T647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.122258][  T647] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6c819e00
| [   29.129765][  T647] ------------[ cut here ]------------
| [   29.129921][  T647] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/647
| [   29.130155][  T647] Modules linked in:
| [   29.130552][  T647] Tainted: [W]=WARN
[   29.130654][  T647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.130827][  T647] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.131009][  T647] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.131485][  T647] RSP: 0018:ffa0000001e671b0 EFLAGS: 00010286
[   29.131655][  T647] RAX: 00000000ffffffa6 RBX: ff1100000d7b0040 RCX: 1ff40000003ccdfc
[   29.131861][  T647] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7b00fc
[   29.132068][  T647] RBP: ff1100000a1b1000 R08: 1fe2200001af6021 R09: ff1100000dcf5180
[   29.132267][  T647] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.132466][  T647] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   29.132673][  T647] FS:  00007f28775c0840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   29.132917][  T647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.133085][  T647] CR2: 000000000042ebe0 CR3: 000000000aa3a001 CR4: 0000000000771ef0
[   29.133286][  T647] PKRU: 55555554
[   29.133387][  T647] Call Trace:
[   29.133488][  T647]  <TASK>
[   29.133561][  T647]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.133698][  T647]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.133807][  T647]  __dev_notify_flags (net/core/dev.c:9787)
[   29.133948][  T647]  ? netif_change_name (net/core/dev.c:1495)
[   29.134084][  T647]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   29.134221][  T647]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.134359][  T647]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.134496][  T647]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.134637][  T647]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.134779][  T647]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.134919][  T647]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.135059][  T647]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.135198][  T647]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.135334][  T647]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.135467][  T647]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.135606][  T647]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.135746][  T647]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.135884][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.136024][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.136159][  T647]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.136294][  T647]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.136428][  T647]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.136567][  T647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.136703][  T647]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.136846][  T647]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.136986][  T647]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.137121][  T647]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.137257][  T647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.137394][  T647]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.137537][  T647]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.137671][  T647]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.137815][  T647]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.138025][  T647]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.138163][  T647]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.138299][  T647]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.138435][  T647]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.138575][  T647]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.138719][  T647]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.138855][  T647]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.139135][  T647]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.139304][  T647]  ? move_addr_to_kernel (net/socket.c:258)
[   29.139443][  T647]  ___sys_sendmsg (net/socket.c:2752)
[   29.139582][  T647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.139722][  T647]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.139945][  T647]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   29.140140][  T647]  __sys_sendmsg (net/socket.c:2784)
[   29.140277][  T647]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.140417][  T647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.140555][  T647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.140692][  T647]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.140833][  T647]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.141025][  T647]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.141161][  T647]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.141328][  T647] RIP: 0033:0x7f28777fa08e
[   29.141469][  T647] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.142021][  T647] RSP: 002b:00007ffe6c819680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.142226][  T647] RAX: ffffffffffffffda RBX: 00007ffe6c819e28 RCX: 00007f28777fa08e
[   29.142428][  T647] RDX: 0000000000000000 RSI: 00007ffe6c819730 RDI: 0000000000000005
[   29.142635][  T647] RBP: 00007ffe6c819690 R08: 0000000000000000 R09: 0000000000000000
[   29.142841][  T647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.143100][  T647] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6c819e00
| [   29.190420][  T648] ------------[ cut here ]------------
| [   29.190579][  T648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/648
| [   29.190814][  T648] Modules linked in:
| [   29.191179][  T648] Tainted: [W]=WARN
[   29.191277][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.191437][  T648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.191609][  T648] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.192080][  T648] RSP: 0018:ffa0000001e76ff8 EFLAGS: 00010286
[   29.192243][  T648] RAX: 00000000ffffffa6 RBX: ff1100000d7b11c0 RCX: 1ff40000003cedc5
[   29.192436][  T648] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7b127c
[   29.192633][  T648] RBP: ff1100000a83c000 R08: 1fe2200001af6251 R09: ff1100000dcf2e58
[   29.192830][  T648] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.193029][  T648] R13: 0000000000000000 R14: ffa0000001e77140 R15: ff1100000ce8f850
[   29.193224][  T648] FS:  00007fe119009840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.193449][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.193614][  T648] CR2: 000000003df21988 CR3: 000000000e669002 CR4: 0000000000771ef0
[   29.193816][  T648] PKRU: 55555554
[   29.193919][  T648] Call Trace:
[   29.194018][  T648]  <TASK>
[   29.194085][  T648]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   29.194217][  T648]  __dev_change_net_namespace (net/core/dev.c:12635)
[   29.194380][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.194515][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.194649][  T648]  ? default_device_exit_batch (net/core/dev.c:13091)
[   29.194816][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.194948][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.195079][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.195210][  T648]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.195339][  T648]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.195471][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   29.195606][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.195743][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.195914][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.196044][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.196174][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.196302][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.196433][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   29.196566][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.196698][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.196832][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.196968][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.197098][  T648]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.197226][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.197355][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.197486][  T648]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.197617][  T648]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.197752][  T648]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.197885][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.198017][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.198145][  T648]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.198278][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.198410][  T648]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.198546][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.198677][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.198813][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.198948][  T648]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.199077][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.199209][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.199337][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.199467][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.199600][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.199737][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.199873][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.200003][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.200133][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.200263][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.200396][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.200528][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.200660][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.200795][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.200931][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.201065][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.201193][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.201325][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.201458][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.201593][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.201729][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.201861][  T648]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.201999][  T648]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.202131][  T648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.202260][  T648]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.202391][  T648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.202553][  T648]  ? move_addr_to_kernel (net/socket.c:258)
[   29.202684][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.202819][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.202957][  T648]  ___sys_sendmsg (net/socket.c:2752)
[   29.203087][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.203250][  T648]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.203392][  T648]  __sys_sendmsg (net/socket.c:2784)
[   29.203524][  T648]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.203652][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.203821][  T648]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.203957][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.204088][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.204219][  T648]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.204348][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.204477][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.204642][  T648] RIP: 0033:0x7fe11924308e
[   29.204783][  T648] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.205254][  T648] RSP: 002b:00007ffd181f7870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.205451][  T648] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe11924308e
[   29.205647][  T648] RDX: 0000000000000000 RSI: 00007ffd181f7920 RDI: 0000000000000005
[   29.205847][  T648] RBP: 00007ffd181f7880 R08: 0000000000000000 R09: 0000000000000000
[   29.206049][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.206243][  T648] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd181f7ff0
| [   29.208812][  T648] ------------[ cut here ]------------
| [   29.208966][  T648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/648
| [   29.209195][  T648] Modules linked in:
| [   29.209566][  T648] Tainted: [W]=WARN
[   29.209665][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.209840][  T648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.210015][  T648] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.210480][  T648] RSP: 0018:ffa0000001e76fc0 EFLAGS: 00010286
[   29.210649][  T648] RAX: 00000000ffffffa6 RBX: ff1100000a16b8c0 RCX: 1ff40000003cedbe
[   29.210851][  T648] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b97c
[   29.211052][  T648] RBP: ff1100000a83c000 R08: 1fe220000142d731 R09: ff1100000dcf2e58
[   29.211248][  T648] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.211445][  T648] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce8f850
[   29.211647][  T648] FS:  00007fe119009840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.211885][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.212050][  T648] CR2: 000000003df21988 CR3: 000000000e669002 CR4: 0000000000771ef0
[   29.212247][  T648] PKRU: 55555554
[   29.212346][  T648] Call Trace:
[   29.212444][  T648]  <TASK>
[   29.212515][  T648]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.212647][  T648]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.212784][  T648]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.212888][  T648]  __dev_change_net_namespace (net/core/dev.c:12695)
[   29.213052][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.213182][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.213317][  T648]  ? default_device_exit_batch (net/core/dev.c:13091)
[   29.213481][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.213614][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.213751][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.213887][  T648]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.214020][  T648]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.214154][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   29.214288][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.214423][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.214590][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.214724][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.214856][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.214992][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.215122][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   29.215255][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.215386][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.215519][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.215652][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.215788][  T648]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.215933][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.216064][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.216196][  T648]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.216327][  T648]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.216457][  T648]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.216592][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.216731][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.216862][  T648]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.217002][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.217139][  T648]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.217273][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.217403][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.217537][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.217668][  T648]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.217804][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.217948][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.218078][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.218210][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.218341][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.218473][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.218607][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.218743][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.218879][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.219009][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.219143][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.219274][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.219406][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.219539][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.219669][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.219810][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.219943][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.220075][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.220207][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.220339][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.220471][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.220606][  T648]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.220747][  T648]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.220882][  T648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.221013][  T648]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.221144][  T648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.221306][  T648]  ? move_addr_to_kernel (net/socket.c:258)
[   29.221439][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.221573][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.221705][  T648]  ___sys_sendmsg (net/socket.c:2752)
[   29.221840][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.222007][  T648]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.222149][  T648]  __sys_sendmsg (net/socket.c:2784)
[   29.222282][  T648]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.222411][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.222578][  T648]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.222715][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.222847][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.222982][  T648]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.223112][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.223241][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.223403][  T648] RIP: 0033:0x7fe11924308e
[   29.223542][  T648] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.224017][  T648] RSP: 002b:00007ffd181f7870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.224215][  T648] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe11924308e
[   29.224408][  T648] RDX: 0000000000000000 RSI: 00007ffd181f7920 RDI: 0000000000000005
[   29.224606][  T648] RBP: 00007ffd181f7880 R08: 0000000000000000 R09: 0000000000000000
[   29.224806][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.225009][  T648] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd181f7ff0
| [   29.226923][  T648] ------------[ cut here ]------------
| [   29.227053][  T648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/648
| [   29.227275][  T648] Modules linked in:
| [   29.227638][  T648] Tainted: [W]=WARN
[   29.227742][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.228075][  T648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.228244][  T648] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.228706][  T648] RSP: 0018:ffa0000001e77038 EFLAGS: 00010286
[   29.228879][  T648] RAX: 00000000ffffffa6 RBX: ff1100000bbe3a80 RCX: 1ff40000003cedcd
[   29.229074][  T648] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe3b3c
[   29.229268][  T648] RBP: ff1100000a83c000 R08: 1fe220000177c769 R09: ff1100000dcf2e58
[   29.229459][  T648] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   29.229655][  T648] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   29.229857][  T648] FS:  00007fe119009840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.230088][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.230250][  T648] CR2: 000000003df21988 CR3: 000000000e669002 CR4: 0000000000771ef0
[   29.230443][  T648] PKRU: 55555554
[   29.230543][  T648] Call Trace:
[   29.230639][  T648]  <TASK>
[   29.230707][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.230841][  T648]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   29.230975][  T648]  notifier_call_chain (kernel/notifier.c:85)
[   29.231106][  T648]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   29.231236][  T648]  ? default_device_exit_batch (net/core/dev.c:13091)
[   29.231399][  T648]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   29.231563][  T648]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.231695][  T648]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.231832][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   29.231970][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.232101][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.232261][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.232391][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.232520][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.232651][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.232785][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   29.232921][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.233051][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.233179][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.233309][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.233439][  T648]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.233573][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.233702][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.233837][  T648]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.233971][  T648]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.234099][  T648]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.234228][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.234358][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.234487][  T648]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.234622][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.234759][  T648]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.234896][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.235023][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.235152][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.235280][  T648]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.235408][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.235574][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.235703][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.235837][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.235971][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.236101][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.236230][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.236358][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.236486][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.236617][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.236753][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.236884][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.237011][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.237139][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.237269][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.237400][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.237531][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.237663][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.237799][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.237933][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.238064][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.238195][  T648]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.238327][  T648]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.238457][  T648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.238588][  T648]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.238724][  T648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.238889][  T648]  ? move_addr_to_kernel (net/socket.c:258)
[   29.239019][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.239147][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.239277][  T648]  ___sys_sendmsg (net/socket.c:2752)
[   29.239406][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.239570][  T648]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.239717][  T648]  __sys_sendmsg (net/socket.c:2784)
[   29.239848][  T648]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.239979][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.240141][  T648]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.240270][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.240399][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.240531][  T648]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.240660][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.240795][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.240958][  T648] RIP: 0033:0x7fe11924308e
[   29.241092][  T648] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.241553][  T648] RSP: 002b:00007ffd181f7870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.241753][  T648] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe11924308e
[   29.241949][  T648] RDX: 0000000000000000 RSI: 00007ffd181f7920 RDI: 0000000000000005
[   29.242139][  T648] RBP: 00007ffd181f7880 R08: 0000000000000000 R09: 0000000000000000
[   29.242332][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.242525][  T648] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd181f7ff0
| [   29.244650][  T648] ------------[ cut here ]------------
| [   29.244786][  T648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/648
| [   29.245013][  T648] Modules linked in:
| [   29.245372][  T648] Tainted: [W]=WARN
[   29.245561][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.245731][  T648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.245904][  T648] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.246451][  T648] RSP: 0018:ffa0000001e77020 EFLAGS: 00010286
[   29.246616][  T648] RAX: 00000000ffffffa6 RBX: ff1100000bbe31c0 RCX: 1ff40000003cedca
[   29.246904][  T648] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe327c
[   29.247097][  T648] RBP: ff1100000a83c000 R08: 1fe220000177c651 R09: ff1100000dcf2e58
[   29.247375][  T648] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   29.247573][  T648] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.247774][  T648] FS:  00007fe119009840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.248007][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.248171][  T648] CR2: 000000003df21988 CR3: 000000000e669002 CR4: 0000000000771ef0
[   29.248365][  T648] PKRU: 55555554
[   29.248551][  T648] Call Trace:
[   29.248647][  T648]  <TASK>
[   29.248719][  T648]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.248851][  T648]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.248956][  T648]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.249170][  T648]  __dev_notify_flags (net/core/dev.c:9787)
[   29.249301][  T648]  ? netif_change_name (net/core/dev.c:1495)
[   29.249432][  T648]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.249567][  T648]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.249788][  T648]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   29.249955][  T648]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.250086][  T648]  netif_change_flags (net/core/dev.c:9820)
[   29.250218][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.250435][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.250570][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.250740][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.250875][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.251005][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.251133][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.251265][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   29.251396][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.251618][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.251767][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.251903][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.252034][  T648]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.252247][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.252376][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.252507][  T648]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.252639][  T648]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.252861][  T648]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.252996][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.253128][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.253257][  T648]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.253474][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.253611][  T648]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.253749][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.253883][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.254014][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.254145][  T648]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.254275][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.254408][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.254626][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.254761][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.254897][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.255029][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.255242][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.255372][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.255502][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.255635][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.255860][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.256002][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.256134][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.256264][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.256479][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.256616][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.256752][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.256888][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.257019][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.257150][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.257281][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.257416][  T648]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.257636][  T648]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.257774][  T648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.257910][  T648]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.258041][  T648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.258290][  T648]  ? move_addr_to_kernel (net/socket.c:258)
[   29.258421][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.258553][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.258775][  T648]  ___sys_sendmsg (net/socket.c:2752)
[   29.258912][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.259074][  T648]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.259217][  T648]  __sys_sendmsg (net/socket.c:2784)
[   29.259433][  T648]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.259568][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.259741][  T648]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.259877][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.260094][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.260224][  T648]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.260355][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.260487][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.260742][  T648] RIP: 0033:0x7fe11924308e
[   29.260881][  T648] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.261437][  T648] RSP: 002b:00007ffd181f7870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.261636][  T648] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe11924308e
[   29.261931][  T648] RDX: 0000000000000000 RSI: 00007ffd181f7920 RDI: 0000000000000005
[   29.262128][  T648] RBP: 00007ffd181f7880 R08: 0000000000000000 R09: 0000000000000000
[   29.262322][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.262607][  T648] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd181f7ff0
| [   29.351046][  T651] ------------[ cut here ]------------
| [   29.351197][  T651] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/651
| [   29.351422][  T651] Modules linked in:
| [   29.351793][  T651] Tainted: [W]=WARN
[   29.351897][  T651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.352058][  T651] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.352225][  T651] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.352684][  T651] RSP: 0018:ffa0000001ea7020 EFLAGS: 00010286
[   29.352852][  T651] RAX: 00000000ffffffa6 RBX: ff1100000f1b6580 RCX: 1ff40000003d4dca
[   29.353049][  T651] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b663c
[   29.353241][  T651] RBP: ff11000008e59000 R08: 1fe2200001e36cc9 R09: ff11000010132e58
[   29.353434][  T651] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   29.353629][  T651] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.353828][  T651] FS:  00007f900a23c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.354058][  T651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.354221][  T651] CR2: 0000000027a20988 CR3: 000000000e669004 CR4: 0000000000771ef0
[   29.354420][  T651] PKRU: 55555554
[   29.354519][  T651] Call Trace:
[   29.354616][  T651]  <TASK>
[   29.354684][  T651]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.354823][  T651]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.354927][  T651]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.355057][  T651]  __dev_notify_flags (net/core/dev.c:9787)
[   29.355188][  T651]  ? netif_change_name (net/core/dev.c:1495)
[   29.355317][  T651]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.355447][  T651]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.355581][  T651]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.355716][  T651]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.355851][  T651]  netif_change_flags (net/core/dev.c:9820)
[   29.355988][  T651]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.356121][  T651]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.356254][  T651]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.356387][  T651]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.356552][  T651]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.356683][  T651]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.356818][  T651]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.356952][  T651]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.357083][  T651]  ? __kernel_text_address (kernel/extable.c:79)
[   29.357214][  T651]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.357345][  T651]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.357475][  T651]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.357612][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.357747][  T651]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.357880][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.358008][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.358139][  T651]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.358270][  T651]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.358400][  T651]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.358534][  T651]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.358666][  T651]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.358805][  T651]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.358943][  T651]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.359075][  T651]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.359205][  T651]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.359334][  T651]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.359463][  T651]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.359595][  T651]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.359732][  T651]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.359861][  T651]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.359994][  T651]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.360124][  T651]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.360255][  T651]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.360384][  T651]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.360517][  T651]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.360646][  T651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.360779][  T651]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.360914][  T651]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.361043][  T651]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.361175][  T651]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.361304][  T651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.361433][  T651]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.361570][  T651]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.361699][  T651]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.361835][  T651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.361970][  T651]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.362101][  T651]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.362232][  T651]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.362362][  T651]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.362493][  T651]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.362629][  T651]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.362765][  T651]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.362899][  T651]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.363059][  T651]  ? move_addr_to_kernel (net/socket.c:258)
[   29.363189][  T651]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.363318][  T651]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.363448][  T651]  ___sys_sendmsg (net/socket.c:2752)
[   29.363580][  T651]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.363749][  T651]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.363893][  T651]  __sys_sendmsg (net/socket.c:2784)
[   29.364024][  T651]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.364153][  T651]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.364317][  T651]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.364446][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.364580][  T651]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.364715][  T651]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.364845][  T651]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.364977][  T651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.365140][  T651] RIP: 0033:0x7f900a47608e
[   29.365276][  T651] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.365750][  T651] RSP: 002b:00007fff1e0678c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.365949][  T651] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f900a47608e
[   29.366143][  T651] RDX: 0000000000000000 RSI: 00007fff1e067970 RDI: 0000000000000005
[   29.366336][  T651] RBP: 00007fff1e0678d0 R08: 0000000000000000 R09: 0000000000000000
[   29.366534][  T651] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.366732][  T651] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1e068040
| [   29.369136][   T71] ------------[ cut here ]------------
| [   29.369301][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   29.369585][   T71] Modules linked in:
| [   29.370106][   T71] Tainted: [W]=WARN
[   29.370242][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.370436][   T71] Workqueue: events_unbound linkwatch_event
[   29.370644][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.370850][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.371350][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   29.371552][   T71] RAX: 00000000ffffffa6 RBX: ff1100000d637380 RCX: 1ff4000000098f02
[   29.371783][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63743c
[   29.372018][   T71] RBP: ff11000008e59000 R08: 1fe2200001ac6e89 R09: ff11000009d32ea8
[   29.372240][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   29.372464][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.372697][   T71] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   29.372972][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.373167][   T71] CR2: 000055dfdb5e2d5c CR3: 0000000009c29004 CR4: 0000000000771ef0
[   29.373392][   T71] PKRU: 55555554
[   29.373540][   T71] Call Trace:
[   29.373675][   T71]  <TASK>
[   29.373790][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.373969][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.374136][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.374275][   T71]  netif_state_change (net/core/dev.c:1605)
[   29.374441][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   29.374647][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   29.374816][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   29.374994][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.375164][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   29.375329][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   29.375494][   T71]  process_one_work (kernel/workqueue.c:3314)
[   29.375671][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.375847][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.376090][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.376259][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.376424][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.376598][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.376772][   T71]  kthread (kernel/kthread.c:436)
[   29.376917][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.377110][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.377278][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.377444][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.377644][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.377814][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.377992][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.380209][   T71] ------------[ cut here ]------------
| [   29.380377][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   29.380672][   T71] Modules linked in:
| [   29.381147][   T71] Tainted: [W]=WARN
[   29.381281][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.381472][   T71] Workqueue: events_unbound linkwatch_event
[   29.381678][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.381918][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.382380][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   29.382582][   T71] RAX: 00000000ffffffa6 RBX: ff1100000d6378c0 RCX: 1ff4000000098f02
[   29.382815][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63797c
[   29.383051][   T71] RBP: ff11000008e5c000 R08: 1fe2200001ac6f31 R09: ff11000009d32ea8
[   29.383269][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   29.383488][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.383721][   T71] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   29.383998][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.384193][   T71] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   29.384415][   T71] PKRU: 55555554
[   29.384554][   T71] Call Trace:
[   29.384687][   T71]  <TASK>
[   29.384804][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.384981][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.385149][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.385288][   T71]  netif_state_change (net/core/dev.c:1605)
[   29.385455][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   29.385656][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   29.385828][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   29.386007][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.386175][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   29.386344][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   29.386510][   T71]  process_one_work (kernel/workqueue.c:3314)
[   29.386684][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.386855][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.387036][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.387206][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.387370][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.387541][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.387706][   T71]  kthread (kernel/kthread.c:436)
[   29.387850][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.388055][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.388221][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.388385][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.388614][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.388788][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.388968][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.504766][  T656] ------------[ cut here ]------------
| [   29.504922][  T656] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/656
| [   29.505147][  T656] Modules linked in:
| [   29.505515][  T656] Tainted: [W]=WARN
[   29.505612][  T656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.505776][  T656] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.505946][  T656] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.506404][  T656] RSP: 0018:ffa0000001eb7020 EFLAGS: 00010286
[   29.506590][  T656] RAX: 00000000ffffffa6 RBX: ff1100000b7d5e00 RCX: 1ff40000003d6dca
[   29.506787][  T656] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d5ebc
[   29.506985][  T656] RBP: ff1100000a1b1000 R08: 1fe22000016fabd9 R09: ff11000009d30b58
[   29.507176][  T656] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   29.507370][  T656] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.507567][  T656] FS:  00007fa354195840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   29.507793][  T656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.507959][  T656] CR2: 00000000164eb988 CR3: 000000000e68b003 CR4: 0000000000771ef0
[   29.508158][  T656] PKRU: 55555554
[   29.508255][  T656] Call Trace:
[   29.508351][  T656]  <TASK>
[   29.508418][  T656]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.508551][  T656]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.508650][  T656]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.508783][  T656]  __dev_notify_flags (net/core/dev.c:9787)
[   29.508916][  T656]  ? netif_change_name (net/core/dev.c:1495)
[   29.509044][  T656]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.509174][  T656]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.509302][  T656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.509432][  T656]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.509566][  T656]  netif_change_flags (net/core/dev.c:9820)
[   29.509696][  T656]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.509831][  T656]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.509968][  T656]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.510098][  T656]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.510259][  T656]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.510386][  T656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.510517][  T656]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.510646][  T656]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.510783][  T656]  ? __kernel_text_address (kernel/extable.c:79)
[   29.510916][  T656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.511047][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.511175][  T656]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.511305][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.511433][  T656]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.511566][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.511694][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.511828][  T656]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.511964][  T656]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.512092][  T656]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.512220][  T656]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.512350][  T656]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.512482][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.512615][  T656]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.512751][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.512882][  T656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.513011][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.513141][  T656]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.513268][  T656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.513399][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.513531][  T656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.513659][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.513792][  T656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.513927][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.514055][  T656]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.514183][  T656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.514310][  T656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.514437][  T656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.514570][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.514698][  T656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.514831][  T656]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.514965][  T656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.515094][  T656]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.515228][  T656]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.515357][  T656]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.515488][  T656]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.515623][  T656]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.515757][  T656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.515892][  T656]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.516021][  T656]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.516151][  T656]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.516280][  T656]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.516409][  T656]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.516542][  T656]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.516701][  T656]  ? move_addr_to_kernel (net/socket.c:258)
[   29.516835][  T656]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.516969][  T656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.517100][  T656]  ___sys_sendmsg (net/socket.c:2752)
[   29.517228][  T656]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.517387][  T656]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.517532][  T656]  __sys_sendmsg (net/socket.c:2784)
[   29.517661][  T656]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.517793][  T656]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.517961][  T656]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.518090][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.518220][  T656]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.518348][  T656]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.518477][  T656]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.518610][  T656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.518774][  T656] RIP: 0033:0x7fa3543cf08e
[   29.518913][  T656] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.519375][  T656] RSP: 002b:00007ffcda6ba670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.519572][  T656] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa3543cf08e
[   29.519771][  T656] RDX: 0000000000000000 RSI: 00007ffcda6ba720 RDI: 0000000000000005
[   29.519968][  T656] RBP: 00007ffcda6ba680 R08: 0000000000000000 R09: 0000000000000000
[   29.520158][  T656] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.520349][  T656] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcda6badf0
| [   29.528398][   T71] ------------[ cut here ]------------
| [   29.528534][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/71
| [   29.528781][   T71] Modules linked in:
| [   29.529280][   T71] Tainted: [W]=WARN
[   29.529368][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.529519][   T71] Workqueue: events_unbound linkwatch_event
[   29.529671][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.529841][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.530269][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   29.530416][   T71] RAX: 00000000ffffffa6 RBX: ff1100000c04a200 RCX: 1ff4000000098f02
[   29.530595][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a2bc
[   29.530774][   T71] RBP: ff1100000a83c000 R08: 1fe2200001809459 R09: ff11000009d32ea8
[   29.530967][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   29.531149][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.531325][   T71] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   29.531533][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.531682][   T71] CR2: 00007f97a42b8000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   29.531874][   T71] PKRU: 55555554
[   29.531963][   T71] Call Trace:
[   29.532051][   T71]  <TASK>
[   29.532117][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.532235][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.532353][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.532443][   T71]  netif_state_change (net/core/dev.c:1605)
[   29.532565][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   29.532715][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   29.532837][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   29.532959][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.533080][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   29.533197][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   29.533318][   T71]  process_one_work (kernel/workqueue.c:3314)
[   29.533440][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.533561][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.533683][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.533808][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.533932][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.534051][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.534168][   T71]  kthread (kernel/kthread.c:436)
[   29.534256][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.534402][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.534526][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.534644][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.534798][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.534923][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.535042][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.569726][  T657] ------------[ cut here ]------------
| [   29.569908][  T657] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/657
| [   29.570175][  T657] Modules linked in:
| [   29.570629][  T657] Tainted: [W]=WARN
[   29.570781][  T657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.571004][  T657] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.571215][  T657] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.571723][  T657] RSP: 0018:ffa0000001eb7150 EFLAGS: 00010286
[   29.572047][  T657] RAX: 00000000ffffffa6 RBX: ff1100000c04a740 RCX: 1ff40000003d6df0
[   29.572366][  T657] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a7fc
[   29.572684][  T657] RBP: ff1100000a1b1000 R08: 1fe2200001809501 R09: ff11000009a95158
[   29.573022][  T657] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   29.573340][  T657] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000056026c0
[   29.573635][  T657] FS:  00007fc626e30840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   29.573921][  T657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.574126][  T657] CR2: 00000000004eba70 CR3: 000000000e68b002 CR4: 0000000000771ef0
[   29.574362][  T657] PKRU: 55555554
[   29.574502][  T657] Call Trace:
[   29.574651][  T657]  <TASK>
[   29.574776][  T657]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.574968][  T657]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.575145][  T657]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.575289][  T657]  netif_state_change (net/core/dev.c:1605)
[   29.575463][  T657]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   29.575678][  T657]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   29.575902][  T657]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   29.576077][  T657]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   29.576251][  T657]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.576424][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.576607][  T657]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   29.576790][  T657]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.576975][  T657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.577149][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.577340][  T657]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.577516][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.577695][  T657]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.577890][  T657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.578065][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.578241][  T657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.578416][  T657]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   29.578597][  T657]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.578782][  T657]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.578968][  T657]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.579142][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.579318][  T657]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.579491][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.579673][  T657]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.579859][  T657]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.580050][  T657]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.580230][  T657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.580405][  T657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.580589][  T657]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.580776][  T657]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.580965][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.581140][  T657]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.581316][  T657]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.581492][  T657]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.581676][  T657]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.581859][  T657]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.582045][  T657]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.582248][  T657]  ? move_addr_to_kernel (net/socket.c:258)
[   29.582422][  T657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.582606][  T657]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.582819][  T657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.583006][  T657]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.583213][  T657]  ___sys_sendmsg (net/socket.c:2752)
[   29.583389][  T657]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.583570][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.583763][  T657]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   29.583953][  T657]  ? do_getsockname (net/socket.c:2192)
[   29.584133][  T657]  __sys_sendmsg (net/socket.c:2784)
[   29.584311][  T657]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.584490][  T657]  ? __sys_getsockname (net/socket.c:2210)
[   29.584673][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.584857][  T657]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.585047][  T657]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.585221][  T657]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.585395][  T657]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.585606][  T657] RIP: 0033:0x7fc62706a08e
[   29.585792][  T657] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.586303][  T657] RSP: 002b:00007ffce2f40550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.586547][  T657] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc62706a08e
[   29.586790][  T657] RDX: 0000000000000000 RSI: 00007ffce2f40600 RDI: 0000000000000006
[   29.587039][  T657] RBP: 00007ffce2f40560 R08: 0000000000000000 R09: 0000000000000000
[   29.587277][  T657] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.587513][  T657] R13: 00007ffce2f406b0 R14: 00007ffce2f4484c R15: 0000000000000000
| [   29.744847][  T663] ------------[ cut here ]------------
| [   29.745002][  T663] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/663
| [   29.745231][  T663] Modules linked in:
| [   29.745597][  T663] Tainted: [W]=WARN
[   29.745694][  T663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.745860][  T663] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.746033][  T663] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.746492][  T663] RSP: 0018:ffa0000001ef71b0 EFLAGS: 00010286
[   29.746659][  T663] RAX: 00000000ffffffa6 RBX: ff1100000fc4b1c0 RCX: 1ff40000003dedfc
[   29.746856][  T663] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b27c
[   29.747053][  T663] RBP: ff11000008d2c000 R08: 1fe2200001f89651 R09: ff11000008d4ae80
[   29.747243][  T663] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.747437][  T663] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   29.747635][  T663] FS:  00007f847915c840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   29.747872][  T663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.748032][  T663] CR2: 00000000004a2860 CR3: 0000000005a9f004 CR4: 0000000000771ef0
[   29.748227][  T663] PKRU: 55555554
[   29.748324][  T663] Call Trace:
[   29.748421][  T663]  <TASK>
[   29.748488][  T663]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.748622][  T663]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.748725][  T663]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   29.748857][  T663]  __dev_notify_flags (net/core/dev.c:9787)
[   29.748992][  T663]  ? netif_change_name (net/core/dev.c:1495)
[   29.749122][  T663]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   29.749253][  T663]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   29.749384][  T663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.749517][  T663]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   29.749649][  T663]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   29.749788][  T663]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.749923][  T663]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   29.750054][  T663]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.750185][  T663]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.750315][  T663]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.750445][  T663]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.750586][  T663]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.750726][  T663]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.750859][  T663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.750994][  T663]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.751123][  T663]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.751253][  T663]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.751381][  T663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.751518][  T663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.751649][  T663]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.751784][  T663]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.751917][  T663]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.752046][  T663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.752174][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.752303][  T663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.752432][  T663]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.752566][  T663]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.752694][  T663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.752828][  T663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.752967][  T663]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.753095][  T663]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.753226][  T663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.753357][  T663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.753487][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.753619][  T663]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.753757][  T663]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.753893][  T663]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.754025][  T663]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.754156][  T663]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.754286][  T663]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.754448][  T663]  ? move_addr_to_kernel (net/socket.c:258)
[   29.754586][  T663]  ___sys_sendmsg (net/socket.c:2752)
[   29.754719][  T663]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.754854][  T663]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.755026][  T663]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   29.755159][  T663]  __sys_sendmsg (net/socket.c:2784)
[   29.755288][  T663]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.755421][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.755553][  T663]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.755683][  T663]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.755819][  T663]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.755954][  T663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.756115][  T663] RIP: 0033:0x7f847939608e
[   29.756251][  T663] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.756719][  T663] RSP: 002b:00007ffd7df215b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.756920][  T663] RAX: ffffffffffffffda RBX: 00007ffd7df21d58 RCX: 00007f847939608e
[   29.757114][  T663] RDX: 0000000000000000 RSI: 00007ffd7df21660 RDI: 0000000000000005
[   29.757307][  T663] RBP: 00007ffd7df215c0 R08: 0000000000000000 R09: 0000000000000000
[   29.757499][  T663] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd09
[   29.757696][  T663] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7df21d30
| [   29.791039][  T664] ------------[ cut here ]------------
| [   29.791217][  T664] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/664
| [   29.791486][  T664] Modules linked in:
| [   29.792615][  T664] Tainted: [W]=WARN
[   29.792818][  T664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.793105][  T664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.793332][  T664] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.793843][  T664] RSP: 0018:ffa0000001f07020 EFLAGS: 00010286
[   29.794062][  T664] RAX: 00000000ffffffa6 RBX: ff110000109b9a80 RCX: 1ff40000003e0dca
[   29.794297][  T664] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9b3c
[   29.794533][  T664] RBP: ff11000008d2c000 R08: 1fe2200002137369 R09: ff11000008d4d158
[   29.794788][  T664] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   29.795035][  T664] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.795274][  T664] FS:  00007f7c4009f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   29.795548][  T664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.795761][  T664] CR2: 000000003e9a1988 CR3: 000000000e68b005 CR4: 0000000000771ef0
[   29.796011][  T664] PKRU: 55555554
[   29.796152][  T664] Call Trace:
[   29.796293][  T664]  <TASK>
[   29.796405][  T664]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.796589][  T664]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.796740][  T664]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.796926][  T664]  __dev_notify_flags (net/core/dev.c:9787)
[   29.797105][  T664]  ? netif_change_name (net/core/dev.c:1495)
[   29.797279][  T664]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.797455][  T664]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.797636][  T664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.797822][  T664]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.798016][  T664]  netif_change_flags (net/core/dev.c:9820)
[   29.798192][  T664]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.798368][  T664]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.798553][  T664]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.798737][  T664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.798956][  T664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.799134][  T664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.799308][  T664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.799481][  T664]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.799662][  T664]  ? __kernel_text_address (kernel/extable.c:79)
[   29.799849][  T664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.800039][  T664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.800214][  T664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.800391][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.800575][  T664]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.800756][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.800946][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.801122][  T664]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.801298][  T664]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.801471][  T664]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.801654][  T664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.801839][  T664]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.802030][  T664]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.802209][  T664]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.802386][  T664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.802567][  T664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.802750][  T664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.802938][  T664]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.803112][  T664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.803289][  T664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.803464][  T664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.803650][  T664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.803835][  T664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.804023][  T664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.804200][  T664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.804375][  T664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.804557][  T664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.804739][  T664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.804933][  T664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.805108][  T664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.805285][  T664]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.805460][  T664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.805645][  T664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.805830][  T664]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.806015][  T664]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.806193][  T664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.806370][  T664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.806553][  T664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.806738][  T664]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.806930][  T664]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.807108][  T664]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.807287][  T664]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.807462][  T664]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.807646][  T664]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.807854][  T664]  ? move_addr_to_kernel (net/socket.c:258)
[   29.808047][  T664]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.808224][  T664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.808402][  T664]  ___sys_sendmsg (net/socket.c:2752)
[   29.808584][  T664]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.808797][  T664]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.808994][  T664]  __sys_sendmsg (net/socket.c:2784)
[   29.809172][  T664]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.809346][  T664]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.809561][  T664]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.809745][  T664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.809937][  T664]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.810143][  T664]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.810318][  T664]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.810496][  T664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.810710][  T664] RIP: 0033:0x7f7c402d908e
[   29.810914][  T664] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.811414][  T664] RSP: 002b:00007ffd5f362930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.811661][  T664] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c402d908e
[   29.811917][  T664] RDX: 0000000000000000 RSI: 00007ffd5f3629e0 RDI: 0000000000000005
[   29.812154][  T664] RBP: 00007ffd5f362940 R08: 0000000000000000 R09: 0000000000000000
[   29.812391][  T664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0a
[   29.812638][  T664] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5f3630b0
| [   29.967631][  T669] ------------[ cut here ]------------
| [   29.967827][  T669] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/669
| [   29.968130][  T669] Modules linked in:
| [   29.968611][  T669] Tainted: [W]=WARN
[   29.968762][  T669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.968985][  T669] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.969205][  T669] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.969732][  T669] RSP: 0018:ffa0000001f571b0 EFLAGS: 00010286
[   29.969959][  T669] RAX: 00000000ffffffa6 RBX: ff110000105f3700 RCX: 1ff40000003eadfc
[   29.970213][  T669] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f37bc
[   29.970459][  T669] RBP: ff1100000977c000 R08: 1fe22000020be6f9 R09: ff110000107cd180
[   29.970719][  T669] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.971046][  T669] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   29.971347][  T669] FS:  00007fd4d6417840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   29.971690][  T669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.972001][  T669] CR2: 00007fd4d678c040 CR3: 0000000006020006 CR4: 0000000000771ef0
[   29.972403][  T669] PKRU: 55555554
[   29.972632][  T669] Call Trace:
[   29.972928][  T669]  <TASK>
[   29.973043][  T669]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.973232][  T669]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.973381][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.973572][  T669]  __dev_notify_flags (net/core/dev.c:9787)
[   29.973764][  T669]  ? netif_change_name (net/core/dev.c:1495)
[   29.973958][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.974137][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.974323][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.974506][  T669]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.974695][  T669]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   29.974900][  T669]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.975082][  T669]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   29.975265][  T669]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.975447][  T669]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.975635][  T669]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.975826][  T669]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.976027][  T669]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.976214][  T669]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.976396][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.976585][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.976777][  T669]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.976969][  T669]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.977151][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.977337][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.977524][  T669]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.977707][  T669]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.977911][  T669]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.978092][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.978272][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.978455][  T669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.978643][  T669]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.978835][  T669]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.979027][  T669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.979210][  T669]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.979396][  T669]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.979585][  T669]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.979777][  T669]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.979974][  T669]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.980155][  T669]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.980335][  T669]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.980521][  T669]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.980705][  T669]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.980912][  T669]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.981092][  T669]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.981273][  T669]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.981484][  T669]  ? move_addr_to_kernel (net/socket.c:258)
[   29.981676][  T669]  ___sys_sendmsg (net/socket.c:2752)
[   29.981861][  T669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.982056][  T669]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.982245][  T669]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   29.982427][  T669]  __sys_sendmsg (net/socket.c:2784)
[   29.982615][  T669]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.982807][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.983002][  T669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.983184][  T669]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.983362][  T669]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.983549][  T669]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.983738][  T669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.983963][  T669] RIP: 0033:0x7fd4d665108e
[   29.984149][  T669] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.984669][  T669] RSP: 002b:00007fffe89b5c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.984938][  T669] RAX: ffffffffffffffda RBX: 00007fffe89b63d8 RCX: 00007fd4d665108e
[   29.985181][  T669] RDX: 0000000000000000 RSI: 00007fffe89b5ce0 RDI: 0000000000000005
[   29.985425][  T669] RBP: 00007fffe89b5c40 R08: 0000000000000000 R09: 0000000000000000
[   29.985678][  T669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0a
[   29.985939][  T669] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe89b63b0
| [   30.012508][  T670] ------------[ cut here ]------------
| [   30.012657][  T670] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/670
| [   30.012904][  T670] Modules linked in:
| [   30.013268][  T670] Tainted: [W]=WARN
[   30.013366][  T670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.013532][  T670] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.013706][  T670] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.014173][  T670] RSP: 0018:ffa0000001f67020 EFLAGS: 00010286
[   30.014337][  T670] RAX: 00000000ffffffa6 RBX: ff110000105f23c0 RCX: 1ff40000003ecdca
[   30.014535][  T670] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f247c
[   30.014731][  T670] RBP: ff1100000977c000 R08: 1fe22000020be491 R09: ff110000107cae58
[   30.014930][  T670] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   30.015121][  T670] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.015315][  T670] FS:  00007f63d2048840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   30.015545][  T670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.015707][  T670] CR2: 000000002e935988 CR3: 0000000005710005 CR4: 0000000000771ef0
[   30.015917][  T670] PKRU: 55555554
[   30.016014][  T670] Call Trace:
[   30.016109][  T670]  <TASK>
[   30.016178][  T670]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.016308][  T670]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.016407][  T670]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.016540][  T670]  __dev_notify_flags (net/core/dev.c:9787)
[   30.016672][  T670]  ? netif_change_name (net/core/dev.c:1495)
[   30.016807][  T670]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.016942][  T670]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.017071][  T670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.017203][  T670]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   30.017335][  T670]  netif_change_flags (net/core/dev.c:9820)
[   30.017465][  T670]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.017598][  T670]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.017735][  T670]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.017872][  T670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.018035][  T670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.018164][  T670]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.018293][  T670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.018422][  T670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.018555][  T670]  ? __kernel_text_address (kernel/extable.c:79)
[   30.018685][  T670]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.018821][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.018955][  T670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.019086][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.019214][  T670]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.019342][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.019471][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.019604][  T670]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.019741][  T670]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.019874][  T670]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.020003][  T670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.020134][  T670]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.020267][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.020402][  T670]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.020538][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.020669][  T670]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.020804][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.020944][  T670]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.021072][  T670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.021205][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.021335][  T670]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.021464][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.021598][  T670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.021731][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.021863][  T670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.021998][  T670]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.022129][  T670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.022258][  T670]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.022392][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.022524][  T670]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.022658][  T670]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.022796][  T670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.023012][  T670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.023148][  T670]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.023279][  T670]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.023412][  T670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.023548][  T670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.023680][  T670]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.023819][  T670]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.024033][  T670]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.024166][  T670]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.024298][  T670]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.024431][  T670]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.024564][  T670]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.024730][  T670]  ? move_addr_to_kernel (net/socket.c:258)
[   30.024951][  T670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.025084][  T670]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.025218][  T670]  ___sys_sendmsg (net/socket.c:2752)
[   30.025349][  T670]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.025517][  T670]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.025660][  T670]  __sys_sendmsg (net/socket.c:2784)
[   30.025796][  T670]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.026013][  T670]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.026178][  T670]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.026308][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.026440][  T670]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.026573][  T670]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.026704][  T670]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.026839][  T670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.027075][  T670] RIP: 0033:0x7f63d228208e
[   30.027212][  T670] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.027674][  T670] RSP: 002b:00007fffa5d49ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.027952][  T670] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f63d228208e
[   30.028147][  T670] RDX: 0000000000000000 RSI: 00007fffa5d49c50 RDI: 0000000000000005
[   30.028345][  T670] RBP: 00007fffa5d49bb0 R08: 0000000000000000 R09: 0000000000000000
[   30.028542][  T670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0a
[   30.028742][  T670] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5d4a320
| [   30.169191][  T675] ------------[ cut here ]------------
| [   30.169341][  T675] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/675
| [   30.169563][  T675] Modules linked in:
| [   30.169931][  T675] Tainted: [W]=WARN
[   30.170030][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.170189][  T675] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.170353][  T675] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.170809][  T675] RSP: 0018:ffa0000001fa7060 EFLAGS: 00010286
[   30.170977][  T675] RAX: 00000000ffffffa6 RBX: ff1100000922a740 RCX: 1ff40000003f4dd2
[   30.171171][  T675] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a7fc
[   30.171359][  T675] RBP: ff1100000a83c000 R08: 1fe2200001245501 R09: ff11000012565158
[   30.171549][  T675] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   30.171741][  T675] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.171938][  T675] FS:  00007f75c1ddf840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   30.172159][  T675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.172317][  T675] CR2: 000000002f77a988 CR3: 000000000fcd1006 CR4: 0000000000771ef0
[   30.172508][  T675] PKRU: 55555554
[   30.172605][  T675] Call Trace:
[   30.172700][  T675]  <TASK>
[   30.172772][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.172905][  T675]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   30.173032][  T675]  notifier_call_chain (kernel/notifier.c:85)
[   30.173162][  T675]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   30.173289][  T675]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   30.173416][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.173547][  T675]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   30.173674][  T675]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   30.173811][  T675]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   30.173944][  T675]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.174073][  T675]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.174232][  T675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.174357][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.174484][  T675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.174611][  T675]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.174744][  T675]  ? __kernel_text_address (kernel/extable.c:79)
[   30.174877][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.175007][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.175134][  T675]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.175260][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.175386][  T675]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.175516][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.175640][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.175773][  T675]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.175906][  T675]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.176033][  T675]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.176161][  T675]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.176290][  T675]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.176415][  T675]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.176546][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.176674][  T675]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.176809][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.176940][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.177066][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.177191][  T675]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.177317][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.177445][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.177574][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.177701][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.177834][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.177967][  T675]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.178094][  T675]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.178219][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.178344][  T675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.178469][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.178600][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.178732][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.178911][  T675]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.179047][  T675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.179178][  T675]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.179311][  T675]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.179443][  T675]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.179580][  T675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.179720][  T675]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.179855][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.180047][  T675]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.180180][  T675]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.180314][  T675]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.180447][  T675]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.180583][  T675]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.180719][  T675]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.180934][  T675]  ? move_addr_to_kernel (net/socket.c:258)
[   30.181067][  T675]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.181197][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.181329][  T675]  ___sys_sendmsg (net/socket.c:2752)
[   30.181459][  T675]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.181626][  T675]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.181777][  T675]  __sys_sendmsg (net/socket.c:2784)
[   30.181913][  T675]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.182044][  T675]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.182214][  T675]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.182345][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.182477][  T675]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.182613][  T675]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.182751][  T675]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.182885][  T675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.183049][  T675] RIP: 0033:0x7f75c201908e
[   30.183186][  T675] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.183657][  T675] RSP: 002b:00007ffd6e57cd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.183855][  T675] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f75c201908e
[   30.184047][  T675] RDX: 0000000000000000 RSI: 00007ffd6e57cdf0 RDI: 0000000000000005
[   30.184240][  T675] RBP: 00007ffd6e57cd50 R08: 0000000000000000 R09: 0000000000000000
[   30.184428][  T675] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0a
[   30.184622][  T675] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6e57d4c0
| [   37.806020][   T12] ------------[ cut here ]------------
| [   37.806183][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   37.806421][   T12] Modules linked in:
| [   37.806797][   T12] Tainted: [W]=WARN
[   37.806896][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.807041][   T12] Workqueue: netns cleanup_net
[   37.807163][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.807318][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.807750][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.807909][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3c6740 RCX: 1ff4000000018eed
[   37.808082][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c67fc
[   37.808255][   T12] RBP: ff11000008d3c000 R08: 1fe2200001a78d01 R09: ff11000001aed1d0
[   37.808428][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.808602][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.808782][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   37.808993][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.809141][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376004 CR4: 0000000000771ef0
[   37.809353][   T12] PKRU: 55555554
[   37.809445][   T12] Call Trace:
[   37.809537][   T12]  <TASK>
[   37.809599][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.809758][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.809908][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.810026][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.810151][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.810266][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.810385][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.810503][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.810624][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.810748][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.810862][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.810986][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.811103][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.811219][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.811335][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.811453][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.811571][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.811691][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.811819][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.811940][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.812061][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.812182][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.812297][   T12]  kthread (kernel/kthread.c:436)
[   37.812386][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.812535][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.812652][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.812777][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.812934][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.813051][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.813168][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.815365][   T12] ------------[ cut here ]------------
| [   37.815480][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   37.815715][   T12] Modules linked in:
| [   37.816159][   T12] Tainted: [W]=WARN
[   37.816249][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.816394][   T12] Workqueue: netns cleanup_net
[   37.816517][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.816668][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.817100][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.817246][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3c6e40 RCX: 1ff4000000018eed
[   37.817421][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c6efc
[   37.817605][   T12] RBP: ff1100000b4d1000 R08: 1fe2200001a78de1 R09: ff11000001aed1d0
[   37.817782][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.817961][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.818138][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   37.818343][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.818490][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376004 CR4: 0000000000771ef0
[   37.818668][   T12] PKRU: 55555554
[   37.818763][   T12] Call Trace:
[   37.818850][   T12]  <TASK>
[   37.818917][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.819068][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.819212][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.819328][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.819446][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.819565][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.819683][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.819808][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.820008][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.820125][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.820242][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.820360][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.820479][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.820599][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.820716][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.820837][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.820960][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.821080][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.821207][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.821324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.821445][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.821569][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.821685][   T12]  kthread (kernel/kthread.c:436)
[   37.821778][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.822003][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.822121][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.822242][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.822395][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.822585][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.822704][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.825287][   T12] ------------[ cut here ]------------
| [   37.825410][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   37.825711][   T12] Modules linked in:
| [   37.826609][   T12] Tainted: [W]=WARN
[   37.826699][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.826856][   T12] Workqueue: netns cleanup_net
[   37.827025][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.827177][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.827593][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.827750][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3c7540 RCX: 1ff4000000018eed
[   37.827970][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c75fc
[   37.828143][   T12] RBP: ff1100000e661000 R08: 1fe2200001a78ec1 R09: ff11000001aed1d0
[   37.828359][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.828539][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.828712][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   37.828968][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.829114][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376004 CR4: 0000000000771ef0
[   37.829294][   T12] PKRU: 55555554
[   37.829380][   T12] Call Trace:
[   37.829466][   T12]  <TASK>
[   37.829529][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.829677][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.829826][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.829988][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.830106][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.830236][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.830352][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.830469][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.830591][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.830709][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.830835][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.830997][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.831115][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.831239][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.831354][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.831475][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.831592][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.831710][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.831834][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.831996][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.832118][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.832236][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.832355][   T12]  kthread (kernel/kthread.c:436)
[   37.832442][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.832589][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.832703][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.832826][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.833020][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.833137][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.833254][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.835686][   T12] ------------[ cut here ]------------
| [   37.835828][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.836069][   T12] Modules linked in:
| [   37.836422][   T12] Tainted: [W]=WARN
[   37.836516][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.836660][   T12] Workqueue: netns cleanup_net
[   37.836788][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.836948][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.837365][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.837514][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3c78c0 RCX: 1ff4000000018eed
[   37.837686][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c797c
[   37.837862][   T12] RBP: ff1100000f394000 R08: 1fe2200001a78f31 R09: ff11000001aed1d0
[   37.838048][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.838222][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.838402][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   37.838605][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.838756][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   37.838939][   T12] PKRU: 55555554
[   37.839026][   T12] Call Trace:
[   37.839119][   T12]  <TASK>
[   37.839181][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.839329][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.839473][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.839592][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.839710][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.839834][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.839956][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.840074][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.840192][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.840306][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.840421][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.840540][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.840661][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.840781][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.840904][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.841025][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.841141][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.841258][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.841376][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.841492][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.841616][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.841741][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.841857][   T12]  kthread (kernel/kthread.c:436)
[   37.841950][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.842094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.842215][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.842331][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.842480][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.842600][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.842723][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.844759][   T12] ------------[ cut here ]------------
| [   37.844882][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.845113][   T12] Modules linked in:
| [   37.845462][   T12] Tainted: [W]=WARN
[   37.845558][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.845704][   T12] Workqueue: netns cleanup_net
[   37.845831][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.845987][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.846405][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   37.846551][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3c7c40 RCX: 1ff4000000018eed
[   37.846723][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c7cfc
[   37.846904][   T12] RBP: ff1100000fe29000 R08: 1fe2200001a78fa1 R09: ff11000001aed1d0
[   37.847075][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.847248][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.847421][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   37.847627][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.847777][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   37.847959][   T12] PKRU: 55555554
[   37.848047][   T12] Call Trace:
[   37.848134][   T12]  <TASK>
[   37.848194][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.848342][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.848489][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.848613][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.848730][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.848851][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.848974][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.849092][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.849209][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.849325][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.849440][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.849560][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.849678][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.849801][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.849922][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.850038][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.850153][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.850271][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.850398][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.850516][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.850637][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.850762][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.850879][   T12]  kthread (kernel/kthread.c:436)
[   37.850966][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.851108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.851224][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.851339][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.851485][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.851602][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.851719][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.866727][   T12] ------------[ cut here ]------------
| [   37.866885][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.867128][   T12] Modules linked in:
| [   37.867511][   T12] Tainted: [W]=WARN
[   37.867605][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.867763][   T12] Workqueue: netns cleanup_net
[   37.868144][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.868305][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.868750][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   37.868954][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3c7e00 RCX: 1ff4000000018eaf
[   37.869138][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3c7ebc
[   37.869320][   T12] RBP: ff11000008e59000 R08: 1fe2200001a78fd9 R09: ff11000001aed1d0
[   37.869499][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   37.869684][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008e5c000
[   37.869926][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   37.870137][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.870340][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   37.870524][   T12] PKRU: 55555554
[   37.870615][   T12] Call Trace:
[   37.870706][   T12]  <TASK>
[   37.870777][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.870950][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.871043][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.871164][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.871291][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.871411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.871535][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.871658][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   37.871813][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.872014][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.872137][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.872286][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.872421][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.872549][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.872704][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.872836][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.873010][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.873134][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.873256][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.873382][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.873508][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.873631][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.873757][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.873927][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.874051][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.874173][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.874294][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.874416][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.874541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.874666][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.874796][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.874966][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.875091][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.875217][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.875339][   T12]  kthread (kernel/kthread.c:436)
[   37.875431][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.875589][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.875711][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.875839][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.876040][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.876162][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.876283][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.878943][   T12] ------------[ cut here ]------------
| [   37.879079][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   37.879319][   T12] Modules linked in:
| [   37.879698][   T12] Tainted: [W]=WARN
[   37.879798][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.879957][   T12] Workqueue: netns cleanup_net
[   37.880084][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.880244][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.880682][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   37.880842][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee511c0 RCX: 1ff4000000018eaf
[   37.881032][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5127c
[   37.881214][   T12] RBP: ff11000008e5c000 R08: 1fe2200001dca251 R09: ff11000001aed1d0
[   37.881396][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   37.881579][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009761000
[   37.881768][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   37.881994][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.882148][   T12] CR2: 00007f4c753e8000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   37.882331][   T12] PKRU: 55555554
[   37.882422][   T12] Call Trace:
[   37.882516][   T12]  <TASK>
[   37.882580][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.882704][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.882835][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.882934][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.883057][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.883184][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.883307][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.883429][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.883553][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   37.883715][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.883884][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.884007][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.884160][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.884282][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.884403][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.884559][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.884683][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.884812][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.884940][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.885060][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.885183][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.885308][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.885430][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.885554][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.885678][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.885807][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.885934][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.886054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.886177][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.886298][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.886421][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.886551][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.886673][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.886806][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.886941][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.887062][   T12]  kthread (kernel/kthread.c:436)
[   37.887153][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.887304][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.887425][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.887552][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.887703][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.887831][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.887959][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.890539][   T12] ------------[ cut here ]------------
| [   37.890665][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   37.890910][   T12] Modules linked in:
| [   37.891279][   T12] Tainted: [W]=WARN
[   37.891371][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.891524][   T12] Workqueue: netns cleanup_net
[   37.891651][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.891815][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.892251][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   37.892403][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5cfe00 RCX: 1ff4000000018eaf
[   37.892588][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5cfebc
[   37.892792][   T12] RBP: ff11000009761000 R08: 1fe2200001cb9fd9 R09: ff11000001aed1d0
[   37.894400][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   37.894590][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   37.894782][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   37.895004][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.895158][   T12] CR2: 00007f4c753e8000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   37.895342][   T12] PKRU: 55555554
[   37.895437][   T12] Call Trace:
[   37.895533][   T12]  <TASK>
[   37.895599][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.895725][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.895863][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.895967][   T12]  netif_close_many (net/core/dev.c:1804)
[   37.896094][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.896222][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.896345][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.896466][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   37.896598][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   37.896762][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.896939][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.897064][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.897216][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.897338][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.897459][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.897629][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   37.897767][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.897908][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.898037][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.898169][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.898294][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.898418][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.898544][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.898672][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.898801][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.898935][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.899063][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.899197][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.899328][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.899451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.899594][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.899727][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.899856][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.899990][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.900117][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.900238][   T12]  kthread (kernel/kthread.c:436)
[   37.900330][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.900482][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.900608][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.900732][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.900895][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.901017][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.901140][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.903276][   T12] ------------[ cut here ]------------
| [   37.903393][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   37.903628][   T12] Modules linked in:
| [   37.904859][   T12] Tainted: [W]=WARN
[   37.904999][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.905146][   T12] Workqueue: netns cleanup_net
[   37.905279][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.905431][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.905856][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.906050][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e615000 RCX: 1ff4000000018ed5
[   37.906226][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6150bc
[   37.906399][   T12] RBP: ff11000008e59000 R08: 1fe2200001cc2a19 R09: ff11000001aed1d0
[   37.906575][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.906760][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.906991][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   37.907194][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.907339][   T12] CR2: 00007f4c753e8000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   37.907516][   T12] PKRU: 55555554
[   37.907606][   T12] Call Trace:
[   37.907694][   T12]  <TASK>
[   37.907763][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.907961][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.908109][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.908227][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.908342][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.908492][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.908615][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.908735][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.908863][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.909029][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.909146][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.909265][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.909381][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.909498][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.909627][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.909751][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.909920][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.910040][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.910158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.910277][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.910402][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.910520][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.910644][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.910776][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.910941][   T12]  kthread (kernel/kthread.c:436)
[   37.911031][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.911177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.911296][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.911414][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.911566][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.911684][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.911812][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.914409][   T12] ------------[ cut here ]------------
| [   37.914546][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.914782][   T12] Modules linked in:
| [   37.915152][   T12] Tainted: [W]=WARN
[   37.915240][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.915392][   T12] Workqueue: netns cleanup_net
[   37.915518][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.915677][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.916112][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.916261][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e615c40 RCX: 1ff4000000018ed5
[   37.916437][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e615cfc
[   37.916622][   T12] RBP: ff11000008e5c000 R08: 1fe2200001cc2ba1 R09: ff11000001aed1d0
[   37.916803][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.916992][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.917170][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   37.917378][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.917532][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   37.917709][   T12] PKRU: 55555554
[   37.917802][   T12] Call Trace:
[   37.917901][   T12]  <TASK>
[   37.917963][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.918117][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.918271][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.918389][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.918508][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.918659][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.918783][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.918907][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.919025][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.919145][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.919263][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.919380][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.919497][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.919619][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.919742][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.919861][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.919986][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.920104][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.920221][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.920341][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.920463][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.920586][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.920708][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.920836][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.920962][   T12]  kthread (kernel/kthread.c:436)
[   37.921051][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.921199][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.921318][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.921437][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.921588][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.921706][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.921836][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.924457][   T12] ------------[ cut here ]------------
| [   37.924577][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   37.924817][   T12] Modules linked in:
| [   37.925180][   T12] Tainted: [W]=WARN
[   37.925268][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.925420][   T12] Workqueue: netns cleanup_net
[   37.925547][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.925701][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.926132][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   37.926279][   T12] RAX: 00000000ffffffa6 RBX: ff1100001065ae40 RCX: 1ff4000000018ed5
[   37.926454][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001065aefc
[   37.926633][   T12] RBP: ff11000009761000 R08: 1fe22000020cb5e1 R09: ff11000001aed1d0
[   37.926814][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.926998][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.927174][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   37.927383][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.927536][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   37.927715][   T12] PKRU: 55555554
[   37.927808][   T12] Call Trace:
[   37.927902][   T12]  <TASK>
[   37.927963][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.928116][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.928263][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.928383][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.928501][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.928654][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.928779][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.928902][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.929019][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.929137][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.929255][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.929373][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.929488][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.929606][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.929724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   37.929848][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.929968][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.930086][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.930204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.930322][   T12]  process_one_work (kernel/workqueue.c:3314)
[   37.930443][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.930563][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.930684][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.930812][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.930934][   T12]  kthread (kernel/kthread.c:436)
[   37.931022][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.931168][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.931286][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.931403][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.931548][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.931664][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.931787][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.007005][   T12] ------------[ cut here ]------------
| [   38.007141][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   38.007373][   T12] Modules linked in:
| [   38.007744][   T12] Tainted: [W]=WARN
[   38.007833][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.008172][   T12] Workqueue: netns cleanup_net
[   38.008294][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.008444][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.008880][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.009027][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52f700 RCX: 1ff4000000018eed
[   38.009202][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f7bc
[   38.009373][   T12] RBP: ff11000010599000 R08: 1fe2200001aa5ef9 R09: ff11000001aed1d0
[   38.009595][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   38.009794][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.009984][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   38.010191][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.010334][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   38.010510][   T12] PKRU: 55555554
[   38.010601][   T12] Call Trace:
[   38.010687][   T12]  <TASK>
[   38.010752][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.010911][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.011060][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.011181][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.011298][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.011412][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.011533][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.011653][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.011775][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.011897][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.012011][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.012128][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.012244][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.012360][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.012475][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.012595][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.012709][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.012829][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.012956][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.013071][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.013194][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.013314][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.013436][   T12]  kthread (kernel/kthread.c:436)
[   38.013529][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.013676][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.013800][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.013926][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.014072][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.014190][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.014307][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.024695][   T12] ------------[ cut here ]------------
| [   38.024841][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   38.025171][   T12] Modules linked in:
| [   38.025546][   T12] Tainted: [W]=WARN
[   38.025637][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.025793][   T12] Workqueue: netns cleanup_net
[   38.026025][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.026190][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.026621][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.026780][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27380 RCX: 1ff4000000018eed
[   38.027052][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2743c
[   38.027234][   T12] RBP: ff11000005009000 R08: 1fe2200001b84e89 R09: ff11000001aed1d0
[   38.027507][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   38.027694][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.027972][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   38.028185][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.028338][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   38.028658][   T12] PKRU: 55555554
[   38.028770][   T12] Call Trace:
[   38.028861][   T12]  <TASK>
[   38.029016][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.029176][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.029325][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.029447][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.029633][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.029761][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.029890][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.030011][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.030135][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.030255][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.030374][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.030495][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.030622][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.030750][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.030876][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.031007][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.031127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.031248][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.031371][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.031490][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.031616][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.031748][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.031877][   T12]  kthread (kernel/kthread.c:436)
[   38.031968][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.032116][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.032237][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.032358][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.032511][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.032635][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.032760][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.035576][   T12] ------------[ cut here ]------------
| [   38.035787][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   38.036107][   T12] Modules linked in:
| [   38.036471][   T12] Tainted: [W]=WARN
[   38.036568][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.036720][   T12] Workqueue: netns cleanup_net
[   38.036853][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.037057][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.037489][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.037643][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc26c80 RCX: 1ff4000000018eed
[   38.037825][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc26d3c
[   38.038008][   T12] RBP: ff11000005809000 R08: 1fe2200001b84da9 R09: ff11000001aed1d0
[   38.038185][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   38.038362][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.038544][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   38.038756][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.038909][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   38.039087][   T12] PKRU: 55555554
[   38.039177][   T12] Call Trace:
[   38.039267][   T12]  <TASK>
[   38.039336][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.039490][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.039645][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.039771][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.039897][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.040016][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.040141][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.040262][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.040383][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.040501][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.040625][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.040752][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.040879][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.041001][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.041119][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.041240][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.041358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.041479][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.041611][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.041731][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.041864][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.042066][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.042184][   T12]  kthread (kernel/kthread.c:436)
[   38.042271][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.042415][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.042607][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.042723][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.042878][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.042994][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.043180][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.045353][   T12] ------------[ cut here ]------------
| [   38.045520][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.045819][   T12] Modules linked in:
| [   38.046332][   T12] Tainted: [W]=WARN
[   38.046467][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.046670][   T12] Workqueue: netns cleanup_net
[   38.046844][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.047061][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.047522][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.047721][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc278c0 RCX: 1ff4000000018eed
[   38.047963][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2797c
[   38.048181][   T12] RBP: ff110000057ac000 R08: 1fe2200001b84f31 R09: ff11000001aed1d0
[   38.048402][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.048665][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.048910][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.049160][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.049351][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.049596][   T12] PKRU: 55555554
[   38.049730][   T12] Call Trace:
[   38.049883][   T12]  <TASK>
[   38.049990][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.050189][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.050378][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.050549][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.050716][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.050904][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.051068][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.051235][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.051400][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.051569][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.051732][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.051918][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.052084][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.052251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.052414][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.052587][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.052758][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.052944][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.053113][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.053289][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.053462][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.053641][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.053814][   T12]  kthread (kernel/kthread.c:436)
[   38.053963][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.054169][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.054339][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.054505][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.054705][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.054889][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.055056][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.057882][   T12] ------------[ cut here ]------------
| [   38.058044][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.058316][   T12] Modules linked in:
| [   38.058772][   T12] Tainted: [W]=WARN
[   38.058918][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.059110][   T12] Workqueue: netns cleanup_net
[   38.059280][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.059481][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.059967][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.060161][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc26040 RCX: 1ff4000000018eed
[   38.060381][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc260fc
[   38.060609][   T12] RBP: ff11000010244000 R08: 1fe2200001b84c21 R09: ff11000001aed1d0
[   38.060840][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.061073][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.061294][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.061553][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.061786][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.062020][   T12] PKRU: 55555554
[   38.062154][   T12] Call Trace:
[   38.062288][   T12]  <TASK>
[   38.062395][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.062599][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.062802][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.062977][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.063144][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.063308][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.063548][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.063715][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.063905][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.064069][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.064236][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.064402][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.064575][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.064748][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.064926][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.065091][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.065397][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.065569][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.065757][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.066009][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.066180][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.066348][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.066514][   T12]  kthread (kernel/kthread.c:436)
[   38.066655][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.066859][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.067042][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.067207][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.067399][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.067572][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.067736][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.084392][   T12] ------------[ cut here ]------------
| [   38.084567][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.084868][   T12] Modules linked in:
| [   38.085737][   T12] Tainted: [W]=WARN
[   38.085909][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.086116][   T12] Workqueue: netns cleanup_net
[   38.086292][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.086501][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.087012][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   38.087214][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a6200 RCX: 1ff4000000018eaf
[   38.087444][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a62bc
[   38.087682][   T12] RBP: ff1100000a1b1000 R08: 1fe2200001534c59 R09: ff11000001aed1d0
[   38.087965][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   38.088196][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a83c000
[   38.088427][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.088699][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.088949][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.089183][   T12] PKRU: 55555554
[   38.089320][   T12] Call Trace:
[   38.089456][   T12]  <TASK>
[   38.089572][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.089753][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.089908][   T12]  netif_close_many (net/core/dev.c:1804)
[   38.090078][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.090245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.090414][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.090592][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   38.090772][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   38.090987][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   38.091192][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.091363][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.091568][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.091750][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.091934][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.092137][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   38.092311][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.092482][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.092659][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.092840][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.093028][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.093200][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.093370][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.093543][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.093716][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.093909][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.094082][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.094251][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.094426][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.094603][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.094784][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.094972][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.095142][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.095317][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.095492][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.095670][   T12]  kthread (kernel/kthread.c:436)
[   38.095816][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.096032][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.096203][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.096374][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.096583][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.096760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.096949][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.100877][   T12] ------------[ cut here ]------------
| [   38.101051][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.101357][   T12] Modules linked in:
| [   38.101847][   T12] Tainted: [W]=WARN
[   38.102003][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.102207][   T12] Workqueue: netns cleanup_net
[   38.102390][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.102619][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.103222][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   38.103476][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b726200 RCX: 1ff4000000018eaf
[   38.103800][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7262bc
[   38.104103][   T12] RBP: ff1100000a83c000 R08: 1fe22000016e4c59 R09: ff11000001aed1d0
[   38.104397][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   38.104734][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103a4000
[   38.105038][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.105386][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.105642][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.105940][   T12] PKRU: 55555554
[   38.106125][   T12] Call Trace:
[   38.106313][   T12]  <TASK>
[   38.106471][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.106698][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.106942][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.107133][   T12]  netif_close_many (net/core/dev.c:1804)
[   38.107353][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.107576][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.107800][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.108036][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   38.108256][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   38.108506][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   38.108772][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.109002][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.109248][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.109465][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.109691][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.109963][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   38.110189][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.110410][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.110644][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.110891][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.111118][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.111340][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.111566][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.111791][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.112026][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.112247][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.112469][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.112708][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.112942][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.113113][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.113285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.113461][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.113638][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.113823][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.114013][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.114182][   T12]  kthread (kernel/kthread.c:436)
[   38.114323][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.114523][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.114696][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.114890][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.115094][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.115295][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.115467][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.118650][   T12] ------------[ cut here ]------------
| [   38.118822][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.119461][   T12] Modules linked in:
| [   38.120145][   T12] Tainted: [W]=WARN
[   38.120284][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.120515][   T12] Workqueue: netns cleanup_net
[   38.120694][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.120924][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.121414][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   38.121634][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b6040 RCX: 1ff4000000018eaf
[   38.121887][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b60fc
[   38.122118][   T12] RBP: ff110000103a4000 R08: 1fe2200001e36c21 R09: ff11000001aed1d0
[   38.122352][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   38.122589][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   38.122832][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.123110][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.123314][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.123550][   T12] PKRU: 55555554
[   38.123689][   T12] Call Trace:
[   38.123847][   T12]  <TASK>
[   38.123971][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.124142][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.124313][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.124459][   T12]  netif_close_many (net/core/dev.c:1804)
[   38.124639][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.124814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.125003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.125174][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   38.125344][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   38.125550][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   38.125758][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.125946][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.126145][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.126314][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.126482][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.126689][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   38.126885][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.127058][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.127231][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.127402][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.127584][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.127763][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.127948][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.128116][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.128288][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.128463][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.128642][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.128815][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.129002][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.129171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.129344][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.129525][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.129695][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.129894][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.130071][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.130240][   T12]  kthread (kernel/kthread.c:436)
[   38.130380][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.130587][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.130766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.130949][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.131153][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.131322][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.131582][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.136216][   T12] ------------[ cut here ]------------
| [   38.136351][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   38.136591][   T12] Modules linked in:
| [   38.136972][   T12] Tainted: [W]=WARN
[   38.137065][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.137217][   T12] Workqueue: netns cleanup_net
[   38.137339][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.137493][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.137938][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   38.138088][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962e40 RCX: 1ff4000000018ed5
[   38.138264][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962efc
[   38.138439][   T12] RBP: ff1100000a1b1000 R08: 1fe220000172c5e1 R09: ff11000001aed1d0
[   38.138620][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.138803][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.138991][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.139197][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.139345][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29003 CR4: 0000000000771ef0
[   38.139529][   T12] PKRU: 55555554
[   38.139619][   T12] Call Trace:
[   38.139707][   T12]  <TASK>
[   38.139775][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.139935][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.140088][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.140207][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.140324][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.140476][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.140600][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.140719][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.140842][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.140966][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.141086][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.141209][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.141328][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.141446][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.141569][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.141686][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.141808][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.141935][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.142052][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.142172][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.142294][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.142412][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.142538][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.142660][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.142783][   T12]  kthread (kernel/kthread.c:436)
[   38.142877][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.143025][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.143144][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.143263][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.143410][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.143532][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.143651][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.147206][   T12] ------------[ cut here ]------------
| [   38.147372][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.147692][   T12] Modules linked in:
| [   38.148174][   T12] Tainted: [W]=WARN
[   38.148309][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.148501][   T12] Workqueue: netns cleanup_net
[   38.148679][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.148903][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.149365][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   38.149566][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbe2c80 RCX: 1ff4000000018ed5
[   38.149794][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe2d3c
[   38.150027][   T12] RBP: ff1100000a83c000 R08: 1fe220000177c5a9 R09: ff11000001aed1d0
[   38.150248][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.150469][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.150701][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.150976][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.151169][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.151394][   T12] PKRU: 55555554
[   38.151531][   T12] Call Trace:
[   38.151667][   T12]  <TASK>
[   38.151783][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.151995][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.152189][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.152356][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.152525][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.152726][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.152916][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.153084][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.153250][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.153417][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.153592][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.153764][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.153947][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.154118][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.154285][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.154453][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.154623][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.154801][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.154980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.155148][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.155318][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.155483][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.155659][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.155842][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.156025][   T12]  kthread (kernel/kthread.c:436)
[   38.156163][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.156358][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.156530][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.156698][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.156914][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.157080][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.157244][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.160052][   T12] ------------[ cut here ]------------
| [   38.160216][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.160496][   T12] Modules linked in:
| [   38.160976][   T12] Tainted: [W]=WARN
[   38.161112][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.161306][   T12] Workqueue: netns cleanup_net
[   38.161478][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.161684][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.162176][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   38.162371][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbe3e00 RCX: 1ff4000000018ed5
[   38.162605][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe3ebc
[   38.162838][   T12] RBP: ff110000103a4000 R08: 1fe220000177c7d9 R09: ff11000001aed1d0
[   38.163076][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.163300][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.163526][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.163787][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.163997][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.164246][   T12] PKRU: 55555554
[   38.164385][   T12] Call Trace:
[   38.164529][   T12]  <TASK>
[   38.164642][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.164852][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.165079][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.165250][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.165420][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.165631][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.165814][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.165998][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.166290][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.166467][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.166649][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.166991][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.167166][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.167339][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.167514][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.167693][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.167888][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.168063][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.168281][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.168510][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.168735][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.169056][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.169281][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.169519][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.169707][   T12]  kthread (kernel/kthread.c:436)
[   38.169854][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.170069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.170244][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.170415][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.170623][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.170802][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.170985][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.214382][   T12] ------------[ cut here ]------------
| [   38.214574][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.214884][   T12] Modules linked in:
| [   38.215346][   T12] Tainted: [W]=WARN
[   38.215484][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.215686][   T12] Workqueue: netns cleanup_net
[   38.215882][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.216087][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.216590][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.216799][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636040 RCX: 1ff4000000018eed
[   38.217089][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6360fc
[   38.217363][   T12] RBP: ff110000094c4000 R08: 1fe2200001ac6c21 R09: ff11000001aed1d0
[   38.217643][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.217934][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.218208][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.218517][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.218785][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.219079][   T12] PKRU: 55555554
[   38.219261][   T12] Call Trace:
[   38.219472][   T12]  <TASK>
[   38.219636][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.219906][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.220149][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.220365][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.220583][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.220805][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.221037][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.221255][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.221470][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.221690][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.221931][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.222149][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.222360][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.222580][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.222803][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.223031][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.223250][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.223463][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.223692][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.223934][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.224148][   T12]  kthread (kernel/kthread.c:436)
[   38.224331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.224577][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.224804][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.225034][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.225281][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.225483][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.225658][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.228357][   T12] ------------[ cut here ]------------
| [   38.228523][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.228815][   T12] Modules linked in:
| [   38.229554][   T12] Tainted: [W]=WARN
[   38.229694][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.229912][   T12] Workqueue: netns cleanup_net
[   38.230087][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.230290][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.230777][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.230989][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636900 RCX: 1ff4000000018eed
[   38.231213][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6369bc
[   38.231436][   T12] RBP: ff110000125b4000 R08: 1fe2200001ac6d39 R09: ff11000001aed1d0
[   38.231674][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.231916][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.232144][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.232400][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.232607][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.232889][   T12] PKRU: 55555554
[   38.233029][   T12] Call Trace:
[   38.233168][   T12]  <TASK>
[   38.233307][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.233511][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.233712][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.233902][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.234076][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.234273][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.234439][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.234617][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.234792][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.235003][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.235176][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.235350][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.235519][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.235692][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.235882][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.236080][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.236257][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.236424][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.236619][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.236831][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.237011][   T12]  kthread (kernel/kthread.c:436)
[   38.237150][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.237346][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.237520][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.237692][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.237918][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.238088][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.238287][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.240936][   T12] ------------[ cut here ]------------
| [   38.241105][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.241386][   T12] Modules linked in:
| [   38.241855][   T12] Tainted: [W]=WARN
[   38.242163][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.242406][   T12] Workqueue: netns cleanup_net
[   38.242630][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.242900][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.243417][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.243666][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637540 RCX: 1ff4000000018eed
[   38.243957][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6375fc
[   38.244227][   T12] RBP: ff11000004d41000 R08: 1fe2200001ac6ec1 R09: ff11000001aed1d0
[   38.244502][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.244785][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.245072][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.245375][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.245629][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.245921][   T12] PKRU: 55555554
[   38.246102][   T12] Call Trace:
[   38.246281][   T12]  <TASK>
[   38.246434][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.246688][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.246952][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.247167][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.247381][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.247595][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.247818][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.248048][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.248260][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.248470][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.248692][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.248947][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.249211][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.249473][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.249737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.250013][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.250274][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.250486][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.250664][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.250846][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.251028][   T12]  kthread (kernel/kthread.c:436)
[   38.251164][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.251360][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.251532][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.251701][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.251918][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.252089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.252257][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.254684][   T12] ------------[ cut here ]------------
| [   38.254861][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.255191][   T12] Modules linked in:
| [   38.255652][   T12] Tainted: [W]=WARN
[   38.255802][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.256117][   T12] Workqueue: netns cleanup_net
[   38.256380][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.256662][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.257241][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.257496][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636e40 RCX: 1ff4000000018eed
[   38.257779][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d636efc
[   38.258059][   T12] RBP: ff11000005ef4000 R08: 1fe2200001ac6de1 R09: ff11000001aed1d0
[   38.258334][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.258604][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.258891][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.259190][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.259431][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.259765][   T12] PKRU: 55555554
[   38.259995][   T12] Call Trace:
[   38.260215][   T12]  <TASK>
[   38.260393][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.260706][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.260977][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.261189][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.261402][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.261625][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.261845][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.262073][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.262288][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.262517][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.262735][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.262963][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.263185][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.263423][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.263636][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.263854][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.264110][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.264365][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.264636][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.264920][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.265180][   T12]  kthread (kernel/kthread.c:436)
[   38.265403][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.265688][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.265966][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.266214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.266440][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.266610][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.266781][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.269271][   T12] ------------[ cut here ]------------
| [   38.269438][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.269725][   T12] Modules linked in:
| [   38.270792][   T12] Tainted: [W]=WARN
[   38.270989][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.271232][   T12] Workqueue: netns cleanup_net
[   38.271449][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.271706][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.272241][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   38.272483][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636740 RCX: 1ff4000000018eed
[   38.272764][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6367fc
[   38.273047][   T12] RBP: ff11000009764000 R08: 1fe2200001ac6d01 R09: ff11000001aed1d0
[   38.273315][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.273584][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.273863][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.274219][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.274461][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.274749][   T12] PKRU: 55555554
[   38.274943][   T12] Call Trace:
[   38.275124][   T12]  <TASK>
[   38.275278][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.275537][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.275803][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.276030][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.276246][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.276483][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.276746][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.277031][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.277292][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.277556][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.277823][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.278096][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.278350][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.278605][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.278811][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.278996][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.279169][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.279339][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.279516][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.279691][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.279884][   T12]  kthread (kernel/kthread.c:436)
[   38.280027][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.280221][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.280388][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.280563][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.280766][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.280947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.281117][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.291960][   T12] ------------[ cut here ]------------
| [   38.292131][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.292428][   T12] Modules linked in:
| [   38.292940][   T12] Tainted: [W]=WARN
[   38.293085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.293288][   T12] Workqueue: netns cleanup_net
[   38.293476][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.293692][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.294215][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   38.294422][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52e200 RCX: 1ff4000000018eaf
[   38.294665][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e2bc
[   38.294982][   T12] RBP: ff1100000977c000 R08: 1fe2200001aa5c59 R09: ff11000001aed1d0
[   38.295266][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   38.295566][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d2c000
[   38.295856][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.296195][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.296452][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.296764][   T12] PKRU: 55555554
[   38.296965][   T12] Call Trace:
[   38.297140][   T12]  <TASK>
[   38.297254][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.297430][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.297589][   T12]  netif_close_many (net/core/dev.c:1804)
[   38.297775][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   38.297962][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   38.298165][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.298339][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   38.298547][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   38.298765][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.298986][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   38.299166][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.299342][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.299523][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.299701][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.299895][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.300074][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.300251][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.300423][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.300609][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.300789][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.300976][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.301153][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.301329][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.301504][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.301692][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.301892][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.302070][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.302248][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.302422][   T12]  kthread (kernel/kthread.c:436)
[   38.302607][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.302820][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.303009][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.303184][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.303389][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.303574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.303758][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.306253][   T12] ------------[ cut here ]------------
| [   38.306429][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.306734][   T12] Modules linked in:
| [   38.307752][   T12] Tainted: [W]=WARN
[   38.307957][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.308208][   T12] Workqueue: netns cleanup_net
[   38.308452][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.308718][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.309301][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   38.309561][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52fc40 RCX: 1ff4000000018eaf
[   38.309810][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52fcfc
[   38.310056][   T12] RBP: ff11000008d2c000 R08: 1fe2200001aa5fa1 R09: ff11000001aed1d0
[   38.310288][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   38.310522][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd7c000
[   38.310770][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.311051][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.311255][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.311490][   T12] PKRU: 55555554
[   38.311636][   T12] Call Trace:
[   38.311784][   T12]  <TASK>
[   38.311912][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.312085][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.312260][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.312404][   T12]  netif_close_many (net/core/dev.c:1804)
[   38.312589][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   38.312769][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   38.312984][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.313159][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   38.313334][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   38.313544][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.313756][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   38.313944][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.314121][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.314298][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.314471][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.314651][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.314834][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.315024][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.315196][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.315374][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.315555][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.315731][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.315933][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.316107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.316283][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.316461][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.316645][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.316834][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.317028][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.317201][   T12]  kthread (kernel/kthread.c:436)
[   38.317344][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.317553][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.317728][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.317921][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.318125][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.318299][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.318471][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.320779][   T12] ------------[ cut here ]------------
| [   38.320982][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.321276][   T12] Modules linked in:
| [   38.321760][   T12] Tainted: [W]=WARN
[   38.322373][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.322649][   T12] Workqueue: netns cleanup_net
[   38.322900][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.323163][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.323754][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   38.324025][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e4418c0 RCX: 1ff4000000018eaf
[   38.324305][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44197c
[   38.324589][   T12] RBP: ff1100000fd7c000 R08: 1fe2200001c88331 R09: ff11000001aed1d0
[   38.324893][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   38.325173][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   38.325457][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.325787][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.326054][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.326338][   T12] PKRU: 55555554
[   38.326534][   T12] Call Trace:
[   38.326728][   T12]  <TASK>
[   38.326915][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.327139][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.327360][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.327560][   T12]  netif_close_many (net/core/dev.c:1804)
[   38.327790][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   38.328072][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   38.328371][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.328645][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   38.328886][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   38.329094][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.329301][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   38.329475][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.329656][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.329844][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.330033][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.330207][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.330381][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.330562][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.330735][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.330933][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.331112][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.331284][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.331459][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.331640][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.331820][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.332012][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.332185][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.332363][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.332551][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.332725][   T12]  kthread (kernel/kthread.c:436)
[   38.332891][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.333097][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.333270][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.333446][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.333658][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.333846][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.334034][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.350142][   T12] ------------[ cut here ]------------
| [   38.350320][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.350609][   T12] Modules linked in:
| [   38.351081][   T12] Tainted: [W]=WARN
[   38.351217][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.351407][   T12] Workqueue: netns cleanup_net
[   38.351584][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.351802][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.352275][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   38.352468][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16a040 RCX: 1ff4000000018ed5
[   38.352698][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a0fc
[   38.352939][   T12] RBP: ff1100000977c000 R08: 1fe220000142d421 R09: ff11000001aed1d0
[   38.353158][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.353379][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.353610][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.353884][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.354079][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.354303][   T12] PKRU: 55555554
[   38.354437][   T12] Call Trace:
[   38.354581][   T12]  <TASK>
[   38.354689][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.354910][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.355113][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   38.355282][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.355455][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.355629][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.355806][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.355989][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.356160][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.356328][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.356493][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.356667][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.356845][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.357024][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.357192][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.357357][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.357529][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.357700][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.357886][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.358057][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.358227][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.358393][   T12]  kthread (kernel/kthread.c:436)
[   38.358531][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.358727][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.358915][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.359081][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.359277][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.359441][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.359613][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.362359][   T12] ------------[ cut here ]------------
| [   38.362523][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.362812][   T12] Modules linked in:
| [   38.363280][   T12] Tainted: [W]=WARN
[   38.363414][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.363613][   T12] Workqueue: netns cleanup_net
[   38.363791][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.364005][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.364465][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   38.364667][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16b540 RCX: 1ff4000000018ed5
[   38.364910][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b5fc
[   38.365132][   T12] RBP: ff11000008d2c000 R08: 1fe220000142d6c1 R09: ff11000001aed1d0
[   38.365354][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.365583][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.365817][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.366082][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.366277][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.366500][   T12] PKRU: 55555554
[   38.366642][   T12] Call Trace:
[   38.366786][   T12]  <TASK>
[   38.366906][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.367106][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.367302][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   38.367467][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.367644][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.367817][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.367996][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.368162][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.368328][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.368496][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.368668][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.368848][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.369028][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.369192][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.369357][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.369528][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.369695][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.369886][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.370051][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.370221][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.370393][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.370565][   T12]  kthread (kernel/kthread.c:436)
[   38.370701][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.370918][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.371083][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.371249][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.371441][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.371613][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.371786][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.374565][   T12] ------------[ cut here ]------------
| [   38.374725][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   38.375027][   T12] Modules linked in:
| [   38.375472][   T12] Tainted: [W]=WARN
[   38.375614][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.375814][   T12] Workqueue: netns cleanup_net
[   38.375997][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.376195][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.376662][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   38.376864][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b4040 RCX: 1ff4000000018ed5
[   38.377097][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b40fc
[   38.377317][   T12] RBP: ff1100000fd7c000 R08: 1fe2200001e36821 R09: ff11000001aed1d0
[   38.377540][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.377769][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.378004][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   38.378253][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.378445][   T12] CR2: 00007fffc4af5ff4 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   38.378675][   T12] PKRU: 55555554
[   38.378814][   T12] Call Trace:
[   38.378962][   T12]  <TASK>
[   38.379069][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.379267][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.379461][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   38.379636][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.379814][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   38.379995][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   38.380161][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   38.380326][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.380493][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   38.380667][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   38.380843][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.381026][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   38.381193][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.381357][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.381529][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.381695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.381885][   T12]  process_one_work (kernel/workqueue.c:3314)
[   38.382057][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.382225][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.382395][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.382572][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.382736][   T12]  kthread (kernel/kthread.c:436)
[   38.382895][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.383089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.383259][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.383428][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.383632][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.383807][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.383989][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.392499][  T718] ------------[ cut here ]------------
| [   38.392645][  T718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/718
| [   38.392883][  T718] Modules linked in:
| [   38.393252][  T718] Tainted: [W]=WARN
[   38.393353][  T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.393518][  T718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.393688][  T718] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.394170][  T718] RSP: 0018:ffa0000002107a80 EFLAGS: 00010286
[   38.394335][  T718] RAX: 00000000ffffffa6 RBX: ff1100000ee51a80 RCX: 1ff4000000420f16
[   38.394534][  T718] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51b3c
[   38.394730][  T718] RBP: ff1100001003c000 R08: 1fe2200001dca369 R09: ff1100000f188b80
[   38.394940][  T718] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.395135][  T718] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001003c000
[   38.395331][  T718] FS:  00007f6b3d665840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.395564][  T718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.395728][  T718] CR2: 00007f6b3d871690 CR3: 0000000008d41001 CR4: 0000000000771ef0
[   38.395938][  T718] PKRU: 55555554
[   38.396035][  T718] Call Trace:
[   38.396133][  T718]  <TASK>
[   38.396201][  T718]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.396333][  T718]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.396465][  T718]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.396570][  T718]  register_netdevice (net/core/dev.c:11488)
[   38.396704][  T718]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.396878][  T718]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   38.397009][  T718]  register_netdev (net/core/dev.c:11552)
[   38.397139][  T718]  loopback_net_init (drivers/net/loopback.c:218)
[   38.397271][  T718]  ops_init (net/core/net_namespace.c:137)
[   38.397371][  T718]  setup_net (net/core/net_namespace.c:446)
[   38.397473][  T718]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.397606][  T718]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.397737][  T718]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.397882][  T718]  copy_net_ns (net/core/net_namespace.c:579)
[   38.398013][  T718]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.398148][  T718]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.398280][  T718]  ksys_unshare (kernel/fork.c:3243)
[   38.398414][  T718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.398548][  T718]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.398679][  T718]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.398816][  T718]  ? __ia32_sys_open (fs/open.c:1374)
[   38.398957][  T718]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.399087][  T718]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.399218][  T718]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.399348][  T718]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.399479][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.399614][  T718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.399781][  T718] RIP: 0033:0x7f6b3d927bcb
[   38.399924][  T718] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.400390][  T718] RSP: 002b:00007ffe12ac4368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.400591][  T718] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b3d927bcb
[   38.400789][  T718] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.400989][  T718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.401184][  T718] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe12ac6590
[   38.401377][  T718] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe12ac8847
| [   38.405722][  T718] ------------[ cut here ]------------
| [   38.405865][  T718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/718
| [   38.406095][  T718] Modules linked in:
| [   38.406454][  T718] Tainted: [W]=WARN
[   38.406554][  T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.406718][  T718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.406898][  T718] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.407357][  T718] RSP: 0018:ffa0000002107918 EFLAGS: 00010286
[   38.407524][  T718] RAX: 00000000ffffffa6 RBX: ff110000109b8c80 RCX: 1ff4000000420ee9
[   38.407718][  T718] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8d3c
[   38.407921][  T718] RBP: ff11000005821000 R08: 1fe22000021371a9 R09: ff1100000f188b80
[   38.408115][  T718] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.408311][  T718] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005821000
[   38.408508][  T718] FS:  00007f6b3d665840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.408738][  T718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.408913][  T718] CR2: 00007f6b3d871690 CR3: 0000000008d41001 CR4: 0000000000771ef0
[   38.409108][  T718] PKRU: 55555554
[   38.409207][  T718] Call Trace:
[   38.409303][  T718]  <TASK>
[   38.409370][  T718]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.409500][  T718]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.409634][  T718]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.409732][  T718]  register_netdevice (net/core/dev.c:11488)
[   38.409876][  T718]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.410036][  T718]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   38.410168][  T718]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   38.410298][  T718]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   38.410428][  T718]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   38.410562][  T718]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   38.410692][  T718]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   38.410831][  T718]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   38.410970][  T718]  ops_init (net/core/net_namespace.c:137)
[   38.411071][  T718]  setup_net (net/core/net_namespace.c:446)
[   38.411171][  T718]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.411300][  T718]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.411429][  T718]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.411564][  T718]  copy_net_ns (net/core/net_namespace.c:579)
[   38.411695][  T718]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.411834][  T718]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.411972][  T718]  ksys_unshare (kernel/fork.c:3243)
[   38.412101][  T718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.412231][  T718]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.412360][  T718]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.412490][  T718]  ? __ia32_sys_open (fs/open.c:1374)
[   38.412626][  T718]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.412759][  T718]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.412892][  T718]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.413024][  T718]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.413153][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.413282][  T718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.413443][  T718] RIP: 0033:0x7f6b3d927bcb
[   38.413583][  T718] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.414056][  T718] RSP: 002b:00007ffe12ac4368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.414251][  T718] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b3d927bcb
[   38.414443][  T718] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.414642][  T718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.414843][  T718] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe12ac6590
[   38.415040][  T718] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe12ac8847
| [   38.418826][  T718] ------------[ cut here ]------------
| [   38.418968][  T718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/718
| [   38.419194][  T718] Modules linked in:
| [   38.419562][  T718] Tainted: [W]=WARN
[   38.419664][  T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.419836][  T718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.420552][  T718] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.421082][  T718] RSP: 0018:ffa00000021078f8 EFLAGS: 00010286
[   38.421248][  T718] RAX: 00000000ffffffa6 RBX: ff1100000f1b7380 RCX: 1ff4000000420ee5
[   38.421442][  T718] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b743c
[   38.421642][  T718] RBP: ff1100000fdd1000 R08: 1fe2200001e36e89 R09: ff1100000f188b80
[   38.421844][  T718] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.422095][  T718] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdd1000
[   38.422347][  T718] FS:  00007f6b3d665840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.422579][  T718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.422748][  T718] CR2: 00007f6b3d871690 CR3: 0000000008d41001 CR4: 0000000000771ef0
[   38.423000][  T718] PKRU: 55555554
[   38.423098][  T718] Call Trace:
[   38.423194][  T718]  <TASK>
[   38.423261][  T718]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.423391][  T718]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.423522][  T718]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.423621][  T718]  register_netdevice (net/core/dev.c:11488)
[   38.423757][  T718]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.423976][  T718]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   38.424109][  T718]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   38.424240][  T718]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   38.424371][  T718]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   38.424502][  T718]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   38.424637][  T718]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   38.424774][  T718]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   38.424959][  T718]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.425093][  T718]  vti_init_net (net/ipv4/ip_vti.c:517)
[   38.425223][  T718]  ops_init (net/core/net_namespace.c:137)
[   38.425323][  T718]  setup_net (net/core/net_namespace.c:446)
[   38.425421][  T718]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.425551][  T718]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.425682][  T718]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.425820][  T718]  copy_net_ns (net/core/net_namespace.c:579)
[   38.426008][  T718]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.426142][  T718]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.426271][  T718]  ksys_unshare (kernel/fork.c:3243)
[   38.426400][  T718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.426535][  T718]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.426666][  T718]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.426802][  T718]  ? __ia32_sys_open (fs/open.c:1374)
[   38.426990][  T718]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.427121][  T718]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.427250][  T718]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.427380][  T718]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.427514][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.427644][  T718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.427811][  T718] RIP: 0033:0x7f6b3d927bcb
[   38.428002][  T718] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.428463][  T718] RSP: 002b:00007ffe12ac4368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.428664][  T718] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b3d927bcb
[   38.428861][  T718] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.429114][  T718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.429308][  T718] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe12ac6590
[   38.429500][  T718] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe12ac8847
| [   38.441224][  T718] ------------[ cut here ]------------
| [   38.441363][  T718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/718
| [   38.441591][  T718] Modules linked in:
| [   38.441967][  T718] Tainted: [W]=WARN
[   38.442065][  T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.442226][  T718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.442395][  T718] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.442873][  T718] RSP: 0018:ffa0000002107a78 EFLAGS: 00010286
[   38.443036][  T718] RAX: 00000000ffffffa6 RBX: ff1100000d31be00 RCX: 1ff4000000420f15
[   38.443229][  T718] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bebc
[   38.443422][  T718] RBP: ff1100000e5f4000 R08: 1fe2200001a637d9 R09: ff1100000f188b80
[   38.443617][  T718] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.443818][  T718] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5f4000
[   38.444017][  T718] FS:  00007f6b3d665840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.444243][  T718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.444403][  T718] CR2: 00007f6b3d871690 CR3: 0000000008d41001 CR4: 0000000000771ef0
[   38.444602][  T718] PKRU: 55555554
[   38.444698][  T718] Call Trace:
[   38.444801][  T718]  <TASK>
[   38.444872][  T718]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.445003][  T718]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.445133][  T718]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.445231][  T718]  register_netdevice (net/core/dev.c:11488)
[   38.445362][  T718]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.445523][  T718]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.445654][  T718]  register_netdev (net/core/dev.c:11552)
[   38.445786][  T718]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   38.445922][  T718]  ops_init (net/core/net_namespace.c:137)
[   38.446021][  T718]  setup_net (net/core/net_namespace.c:446)
[   38.446120][  T718]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.446247][  T718]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.446377][  T718]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.446513][  T718]  copy_net_ns (net/core/net_namespace.c:579)
[   38.446645][  T718]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.446784][  T718]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.446916][  T718]  ksys_unshare (kernel/fork.c:3243)
[   38.447046][  T718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.447177][  T718]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.447306][  T718]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.447436][  T718]  ? __ia32_sys_open (fs/open.c:1374)
[   38.447574][  T718]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.447704][  T718]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.447839][  T718]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.447973][  T718]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.448102][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.448234][  T718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.448395][  T718] RIP: 0033:0x7f6b3d927bcb
[   38.448535][  T718] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.449025][  T718] RSP: 002b:00007ffe12ac4368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.449226][  T718] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b3d927bcb
[   38.449419][  T718] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.449613][  T718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.449810][  T718] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe12ac6590
[   38.450008][  T718] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe12ac8847
| [   38.454090][  T718] ------------[ cut here ]------------
| [   38.454222][  T718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/718
| [   38.454445][  T718] Modules linked in:
| [   38.454815][  T718] Tainted: [W]=WARN
[   38.454918][  T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.455082][  T718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.455251][  T718] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.455716][  T718] RSP: 0018:ffa0000002107a68 EFLAGS: 00010286
[   38.455889][  T718] RAX: 00000000ffffffa6 RBX: ff1100000b7d4040 RCX: 1ff4000000420f13
[   38.456086][  T718] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d40fc
[   38.456279][  T718] RBP: ff110000086a9000 R08: 1fe22000016fa821 R09: ff1100000f188b80
[   38.456474][  T718] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.456671][  T718] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000086a9000
[   38.456878][  T718] FS:  00007f6b3d665840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.457105][  T718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.457268][  T718] CR2: 00007f6b3d871690 CR3: 0000000008d41001 CR4: 0000000000771ef0
[   38.457463][  T718] PKRU: 55555554
[   38.457564][  T718] Call Trace:
[   38.457661][  T718]  <TASK>
[   38.457729][  T718]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.457871][  T718]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.458002][  T718]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.458100][  T718]  register_netdevice (net/core/dev.c:11488)
[   38.458232][  T718]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.458396][  T718]  register_netdev (net/core/dev.c:11552)
[   38.458528][  T718]  sit_init_net (net/ipv6/sit.c:1860)
[   38.458658][  T718]  ops_init (net/core/net_namespace.c:137)
[   38.458764][  T718]  setup_net (net/core/net_namespace.c:446)
[   38.458863][  T718]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.458999][  T718]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.459129][  T718]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.459261][  T718]  copy_net_ns (net/core/net_namespace.c:579)
[   38.459392][  T718]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.459525][  T718]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.459658][  T718]  ksys_unshare (kernel/fork.c:3243)
[   38.459792][  T718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.459926][  T718]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.460056][  T718]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.460186][  T718]  ? __ia32_sys_open (fs/open.c:1374)
[   38.460316][  T718]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.460444][  T718]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.460576][  T718]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.460706][  T718]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.460841][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.460974][  T718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.461136][  T718] RIP: 0033:0x7f6b3d927bcb
[   38.461271][  T718] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.461735][  T718] RSP: 002b:00007ffe12ac4368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.461939][  T718] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b3d927bcb
[   38.462132][  T718] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.462327][  T718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.462521][  T718] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe12ac6590
[   38.462715][  T718] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe12ac8847
| [   38.472926][  T718] ------------[ cut here ]------------
| [   38.473063][  T718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/718
| [   38.473289][  T718] Modules linked in:
| [   38.473652][  T718] Tainted: [W]=WARN
[   38.473756][  T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.473926][  T718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.474095][  T718] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.474565][  T718] RSP: 0018:ffa0000002107a78 EFLAGS: 00010286
[   38.474729][  T718] RAX: 00000000ffffffa6 RBX: ff1100000e440ac0 RCX: 1ff4000000420f15
[   38.474939][  T718] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e440b7c
[   38.475135][  T718] RBP: ff11000010394000 R08: 1fe2200001c88171 R09: ff1100000f188b80
[   38.475330][  T718] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.475528][  T718] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010394000
[   38.475727][  T718] FS:  00007f6b3d665840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.475969][  T718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.476133][  T718] CR2: 00007f6b3d871690 CR3: 0000000008d41001 CR4: 0000000000771ef0
[   38.476329][  T718] PKRU: 55555554
[   38.476426][  T718] Call Trace:
[   38.476525][  T718]  <TASK>
[   38.476593][  T718]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.476727][  T718]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.476865][  T718]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.476969][  T718]  register_netdevice (net/core/dev.c:11488)
[   38.477102][  T718]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.477262][  T718]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.477393][  T718]  register_netdev (net/core/dev.c:11552)
[   38.477526][  T718]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   38.477658][  T718]  ops_init (net/core/net_namespace.c:137)
[   38.477763][  T718]  setup_net (net/core/net_namespace.c:446)
[   38.477863][  T718]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.477999][  T718]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.478128][  T718]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.478260][  T718]  copy_net_ns (net/core/net_namespace.c:579)
[   38.478392][  T718]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.478528][  T718]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.478659][  T718]  ksys_unshare (kernel/fork.c:3243)
[   38.478795][  T718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.478932][  T718]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.479063][  T718]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.479195][  T718]  ? __ia32_sys_open (fs/open.c:1374)
[   38.479328][  T718]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.479458][  T718]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.479589][  T718]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.479718][  T718]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.479853][  T718]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.479987][  T718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.480150][  T718] RIP: 0033:0x7f6b3d927bcb
[   38.480285][  T718] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.480754][  T718] RSP: 002b:00007ffe12ac4368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.480956][  T718] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b3d927bcb
[   38.481150][  T718] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.481345][  T718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.481543][  T718] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe12ac6590
[   38.481737][  T718] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe12ac8847
| [   38.513560][  T719] ------------[ cut here ]------------
| [   38.513710][  T719] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/719
| [   38.513961][  T719] Modules linked in:
| [   38.514323][  T719] Tainted: [W]=WARN
[   38.514421][  T719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.514584][  T719] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.514757][  T719] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.515664][  T719] RSP: 0018:ffa0000001c27020 EFLAGS: 00010286
[   38.515836][  T719] RAX: 00000000ffffffa6 RBX: ff1100000932b540 RCX: 1ff4000000384dca
[   38.516033][  T719] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000932b5fc
[   38.516225][  T719] RBP: ff1100001003c000 R08: 1fe22000012656c1 R09: ff1100000dcf2e58
[   38.516415][  T719] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   38.516611][  T719] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.516812][  T719] FS:  00007f2322027840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   38.517041][  T719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.517203][  T719] CR2: 0000000026bbe988 CR3: 000000000d4a1006 CR4: 0000000000771ef0
[   38.517396][  T719] PKRU: 55555554
[   38.517492][  T719] Call Trace:
[   38.517593][  T719]  <TASK>
[   38.517659][  T719]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.517798][  T719]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.517905][  T719]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.518034][  T719]  __dev_notify_flags (net/core/dev.c:9787)
[   38.518165][  T719]  ? netif_change_name (net/core/dev.c:1495)
[   38.518294][  T719]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.518424][  T719]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.518554][  T719]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.518684][  T719]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   38.518820][  T719]  netif_change_flags (net/core/dev.c:9820)
[   38.518954][  T719]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.519084][  T719]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.519216][  T719]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.519347][  T719]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.519512][  T719]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.519641][  T719]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.519774][  T719]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.519919][  T719]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.520050][  T719]  ? __kernel_text_address (kernel/extable.c:79)
[   38.520180][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.520311][  T719]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.520441][  T719]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.520575][  T719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.520704][  T719]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.520837][  T719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.520977][  T719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.521106][  T719]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.521238][  T719]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   38.521367][  T719]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.521495][  T719]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.521630][  T719]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.521772][  T719]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.521911][  T719]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.522042][  T719]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.522170][  T719]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.522298][  T719]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.522426][  T719]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.522554][  T719]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.522685][  T719]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.522820][  T719]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.522956][  T719]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.523086][  T719]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.523217][  T719]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.523347][  T719]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.523477][  T719]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.523609][  T719]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.523744][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.523881][  T719]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.524009][  T719]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.524140][  T719]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.524269][  T719]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.524398][  T719]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.524535][  T719]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.524665][  T719]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.524802][  T719]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.524939][  T719]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.525071][  T719]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.525200][  T719]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.525329][  T719]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.525460][  T719]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.525598][  T719]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.525729][  T719]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.525864][  T719]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.526032][  T719]  ? move_addr_to_kernel (net/socket.c:258)
[   38.526163][  T719]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.526291][  T719]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.526423][  T719]  ___sys_sendmsg (net/socket.c:2752)
[   38.526555][  T719]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.526715][  T719]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.526861][  T719]  __sys_sendmsg (net/socket.c:2784)
[   38.526997][  T719]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.527125][  T719]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.527289][  T719]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.527418][  T719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.527551][  T719]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.527680][  T719]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.527813][  T719]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.527945][  T719]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.528105][  T719] RIP: 0033:0x7f232226108e
[   38.528240][  T719] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.528704][  T719] RSP: 002b:00007ffd7d74bf00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.528909][  T719] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f232226108e
[   38.529101][  T719] RDX: 0000000000000000 RSI: 00007ffd7d74bfb0 RDI: 0000000000000005
[   38.529295][  T719] RBP: 00007ffd7d74bf10 R08: 0000000000000000 R09: 0000000000000000
[   38.529486][  T719] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   38.529679][  T719] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7d74c680
| [   38.722357][  T727] ------------[ cut here ]------------
| [   38.722529][  T727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/727
| [   38.722766][  T727] Modules linked in:
| [   38.723145][  T727] Tainted: [W]=WARN
[   38.723245][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.723411][  T727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.723586][  T727] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.724064][  T727] RSP: 0018:ffa00000021b7a80 EFLAGS: 00010286
[   38.724231][  T727] RAX: 00000000ffffffa6 RBX: ff1100000d31a040 RCX: 1ff4000000436f16
[   38.724427][  T727] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a0fc
[   38.724627][  T727] RBP: ff1100000f161000 R08: 1fe2200001a63421 R09: ff11000012510b80
[   38.724829][  T727] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.725032][  T727] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f161000
[   38.725229][  T727] FS:  00007fea36f2f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   38.725458][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.725627][  T727] CR2: 00007fea37136430 CR3: 0000000012521004 CR4: 0000000000771ef0
[   38.725835][  T727] PKRU: 55555554
[   38.725939][  T727] Call Trace:
[   38.726039][  T727]  <TASK>
[   38.726107][  T727]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.726241][  T727]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.726373][  T727]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.726473][  T727]  register_netdevice (net/core/dev.c:11488)
[   38.726610][  T727]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.726780][  T727]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   38.726918][  T727]  register_netdev (net/core/dev.c:11552)
[   38.727049][  T727]  loopback_net_init (drivers/net/loopback.c:218)
[   38.727181][  T727]  ops_init (net/core/net_namespace.c:137)
[   38.727282][  T727]  setup_net (net/core/net_namespace.c:446)
[   38.727382][  T727]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.727516][  T727]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.727649][  T727]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.727789][  T727]  copy_net_ns (net/core/net_namespace.c:579)
[   38.727927][  T727]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.728062][  T727]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.728194][  T727]  ksys_unshare (kernel/fork.c:3243)
[   38.728327][  T727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.728459][  T727]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.728595][  T727]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.728729][  T727]  ? __ia32_sys_open (fs/open.c:1374)
[   38.728874][  T727]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.729007][  T727]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.729139][  T727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.729270][  T727]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.729402][  T727]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.729537][  T727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.729701][  T727] RIP: 0033:0x7fea371f1bcb
[   38.729847][  T727] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.730325][  T727] RSP: 002b:00007fff9b67a868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.730525][  T727] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea371f1bcb
[   38.730720][  T727] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.730925][  T727] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.731122][  T727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9b67ca90
[   38.731316][  T727] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9b67d847
| [   38.736040][  T727] ------------[ cut here ]------------
| [   38.736177][  T727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/727
| [   38.736404][  T727] Modules linked in:
| [   38.736781][  T727] Tainted: [W]=WARN
[   38.736886][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.737050][  T727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.737219][  T727] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.737685][  T727] RSP: 0018:ffa00000021b7918 EFLAGS: 00010286
[   38.737855][  T727] RAX: 00000000ffffffa6 RBX: ff1100000fc4b8c0 RCX: 1ff4000000436ee9
[   38.738059][  T727] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b97c
[   38.738253][  T727] RBP: ff11000009771000 R08: 1fe2200001f89731 R09: ff11000012510b80
[   38.738449][  T727] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.738648][  T727] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009771000
[   38.738851][  T727] FS:  00007fea36f2f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   38.739084][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.739248][  T727] CR2: 00007fea37136430 CR3: 0000000012521004 CR4: 0000000000771ef0
[   38.739445][  T727] PKRU: 55555554
[   38.739547][  T727] Call Trace:
[   38.739645][  T727]  <TASK>
[   38.739714][  T727]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.739849][  T727]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.739986][  T727]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.740086][  T727]  register_netdevice (net/core/dev.c:11488)
[   38.740218][  T727]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.740381][  T727]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   38.740516][  T727]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   38.740649][  T727]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   38.740787][  T727]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   38.740926][  T727]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   38.741059][  T727]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   38.741192][  T727]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   38.741324][  T727]  ops_init (net/core/net_namespace.c:137)
[   38.741425][  T727]  setup_net (net/core/net_namespace.c:446)
[   38.741526][  T727]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.741657][  T727]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.741792][  T727]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.741938][  T727]  copy_net_ns (net/core/net_namespace.c:579)
[   38.742072][  T727]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.742206][  T727]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.742338][  T727]  ksys_unshare (kernel/fork.c:3243)
[   38.742470][  T727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.742605][  T727]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.742737][  T727]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.742881][  T727]  ? __ia32_sys_open (fs/open.c:1374)
[   38.743016][  T727]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.743147][  T727]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.743276][  T727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.743406][  T727]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.743541][  T727]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.743672][  T727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.743839][  T727] RIP: 0033:0x7fea371f1bcb
[   38.743981][  T727] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.744446][  T727] RSP: 002b:00007fff9b67a868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.744647][  T727] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea371f1bcb
[   38.744848][  T727] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.745050][  T727] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.745247][  T727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9b67ca90
[   38.745443][  T727] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9b67d847
| [   38.749311][  T727] ------------[ cut here ]------------
| [   38.749453][  T727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/727
| [   38.749687][  T727] Modules linked in:
| [   38.750068][  T727] Tainted: [W]=WARN
[   38.750169][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.750336][  T727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.750510][  T727] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.750994][  T727] RSP: 0018:ffa00000021b78f8 EFLAGS: 00010286
[   38.751161][  T727] RAX: 00000000ffffffa6 RBX: ff1100000c04a200 RCX: 1ff4000000436ee5
[   38.751361][  T727] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a2bc
[   38.751564][  T727] RBP: ff1100000a844000 R08: 1fe2200001809459 R09: ff11000012510b80
[   38.751768][  T727] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.751973][  T727] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a844000
[   38.752174][  T727] FS:  00007fea36f2f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   38.752409][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.752580][  T727] CR2: 00007fea37136430 CR3: 0000000012521004 CR4: 0000000000771ef0
[   38.752786][  T727] PKRU: 55555554
[   38.752891][  T727] Call Trace:
[   38.752990][  T727]  <TASK>
[   38.753058][  T727]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.753191][  T727]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.753325][  T727]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.753427][  T727]  register_netdevice (net/core/dev.c:11488)
[   38.753566][  T727]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.753733][  T727]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   38.753879][  T727]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   38.754012][  T727]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   38.754145][  T727]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   38.754282][  T727]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   38.754415][  T727]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   38.754554][  T727]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   38.754688][  T727]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.754827][  T727]  vti_init_net (net/ipv4/ip_vti.c:517)
[   38.754967][  T727]  ops_init (net/core/net_namespace.c:137)
[   38.755068][  T727]  setup_net (net/core/net_namespace.c:446)
[   38.755260][  T727]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.755394][  T727]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.755530][  T727]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.755666][  T727]  copy_net_ns (net/core/net_namespace.c:579)
[   38.755901][  T727]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.756037][  T727]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.756171][  T727]  ksys_unshare (kernel/fork.c:3243)
[   38.756304][  T727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.756534][  T727]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.756667][  T727]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.756807][  T727]  ? __ia32_sys_open (fs/open.c:1374)
[   38.756948][  T727]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.757170][  T727]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.757302][  T727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.757433][  T727]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.757570][  T727]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.757799][  T727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.757970][  T727] RIP: 0033:0x7fea371f1bcb
[   38.758108][  T727] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.758677][  T727] RSP: 002b:00007fff9b67a868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.758891][  T727] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea371f1bcb
[   38.759090][  T727] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.759289][  T727] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.759582][  T727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9b67ca90
[   38.759786][  T727] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9b67d847
| [   38.773162][  T727] ------------[ cut here ]------------
| [   38.773305][  T727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/727
| [   38.773537][  T727] Modules linked in:
| [   38.773926][  T727] Tainted: [W]=WARN
[   38.774025][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.774188][  T727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.774358][  T727] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.774832][  T727] RSP: 0018:ffa00000021b7a78 EFLAGS: 00010286
[   38.775004][  T727] RAX: 00000000ffffffa6 RBX: ff1100000b7d58c0 RCX: 1ff4000000436f15
[   38.775198][  T727] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d597c
[   38.775393][  T727] RBP: ff1100000ef29000 R08: 1fe22000016fab31 R09: ff11000012510b80
[   38.775588][  T727] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.775787][  T727] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef29000
[   38.775989][  T727] FS:  00007fea36f2f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   38.776219][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.776382][  T727] CR2: 00007fea37136430 CR3: 0000000012521004 CR4: 0000000000771ef0
[   38.776583][  T727] PKRU: 55555554
[   38.776681][  T727] Call Trace:
[   38.776784][  T727]  <TASK>
[   38.776853][  T727]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.776989][  T727]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.777120][  T727]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.777221][  T727]  register_netdevice (net/core/dev.c:11488)
[   38.777354][  T727]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.777519][  T727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.777652][  T727]  register_netdev (net/core/dev.c:11552)
[   38.777788][  T727]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   38.777925][  T727]  ops_init (net/core/net_namespace.c:137)
[   38.778026][  T727]  setup_net (net/core/net_namespace.c:446)
[   38.778125][  T727]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.778256][  T727]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.778387][  T727]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.778522][  T727]  copy_net_ns (net/core/net_namespace.c:579)
[   38.778654][  T727]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.778793][  T727]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.778931][  T727]  ksys_unshare (kernel/fork.c:3243)
[   38.779061][  T727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.779195][  T727]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.779331][  T727]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.779464][  T727]  ? __ia32_sys_open (fs/open.c:1374)
[   38.779600][  T727]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.779730][  T727]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.779874][  T727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.780006][  T727]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.780136][  T727]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.780267][  T727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.780429][  T727] RIP: 0033:0x7fea371f1bcb
[   38.780569][  T727] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.781044][  T727] RSP: 002b:00007fff9b67a868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.781242][  T727] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea371f1bcb
[   38.781437][  T727] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.781635][  T727] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.781838][  T727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9b67ca90
[   38.782040][  T727] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9b67d847
| [   38.786348][  T727] ------------[ cut here ]------------
| [   38.786486][  T727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/727
| [   38.786716][  T727] Modules linked in:
| [   38.787097][  T727] Tainted: [W]=WARN
[   38.787198][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.787362][  T727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.787536][  T727] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.788015][  T727] RSP: 0018:ffa00000021b7a68 EFLAGS: 00010286
[   38.788179][  T727] RAX: 00000000ffffffa6 RBX: ff110000109b9380 RCX: 1ff4000000436f13
[   38.788377][  T727] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b943c
[   38.788575][  T727] RBP: ff1100000ff44000 R08: 1fe2200002137289 R09: ff11000012510b80
[   38.788778][  T727] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.788983][  T727] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff44000
[   38.789179][  T727] FS:  00007fea36f2f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   38.789408][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.789574][  T727] CR2: 00007fea37136430 CR3: 0000000012521004 CR4: 0000000000771ef0
[   38.789778][  T727] PKRU: 55555554
[   38.789880][  T727] Call Trace:
[   38.789978][  T727]  <TASK>
[   38.790046][  T727]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.790177][  T727]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.790309][  T727]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.790409][  T727]  register_netdevice (net/core/dev.c:11488)
[   38.790546][  T727]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.790712][  T727]  register_netdev (net/core/dev.c:11552)
[   38.790849][  T727]  sit_init_net (net/ipv6/sit.c:1860)
[   38.790988][  T727]  ops_init (net/core/net_namespace.c:137)
[   38.791090][  T727]  setup_net (net/core/net_namespace.c:446)
[   38.791189][  T727]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.791319][  T727]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.791453][  T727]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.791588][  T727]  copy_net_ns (net/core/net_namespace.c:579)
[   38.791721][  T727]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.791861][  T727]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.792002][  T727]  ksys_unshare (kernel/fork.c:3243)
[   38.792133][  T727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.792266][  T727]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.792398][  T727]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.792535][  T727]  ? __ia32_sys_open (fs/open.c:1374)
[   38.792667][  T727]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.792806][  T727]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.792943][  T727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.793075][  T727]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.793207][  T727]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.793340][  T727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.793503][  T727] RIP: 0033:0x7fea371f1bcb
[   38.793643][  T727] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.794115][  T727] RSP: 002b:00007fff9b67a868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.794312][  T727] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea371f1bcb
[   38.794506][  T727] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.794703][  T727] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.794908][  T727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9b67ca90
[   38.795104][  T727] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9b67d847
| [   38.799831][  T727] ------------[ cut here ]------------
| [   38.799976][  T727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/727
| [   38.800206][  T727] Modules linked in:
| [   38.800572][  T727] Tainted: [W]=WARN
[   38.800670][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.800839][  T727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.801017][  T727] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.801480][  T727] RSP: 0018:ffa00000021b7a78 EFLAGS: 00010286
[   38.801646][  T727] RAX: 00000000ffffffa6 RBX: ff110000105f2c80 RCX: 1ff4000000436f15
[   38.801849][  T727] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2d3c
[   38.802050][  T727] RBP: ff11000012639000 R08: 1fe22000020be5a9 R09: ff11000012510b80
[   38.802244][  T727] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.802438][  T727] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012639000
[   38.802636][  T727] FS:  00007fea36f2f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   38.802876][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.803041][  T727] CR2: 00007fea37136430 CR3: 0000000012521004 CR4: 0000000000771ef0
[   38.803238][  T727] PKRU: 55555554
[   38.803335][  T727] Call Trace:
[   38.803433][  T727]  <TASK>
[   38.803502][  T727]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.803638][  T727]  ? notifier_call_chain (kernel/notifier.c:85)
[   38.803775][  T727]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.803881][  T727]  register_netdevice (net/core/dev.c:11488)
[   38.804015][  T727]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.804178][  T727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.804311][  T727]  register_netdev (net/core/dev.c:11552)
[   38.804442][  T727]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   38.804580][  T727]  ops_init (net/core/net_namespace.c:137)
[   38.804680][  T727]  setup_net (net/core/net_namespace.c:446)
[   38.804786][  T727]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   38.804923][  T727]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   38.805055][  T727]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   38.805189][  T727]  copy_net_ns (net/core/net_namespace.c:579)
[   38.805322][  T727]  create_new_namespaces (kernel/nsproxy.c:132)
[   38.805457][  T727]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   38.805592][  T727]  ksys_unshare (kernel/fork.c:3243)
[   38.805722][  T727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.805860][  T727]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   38.805998][  T727]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   38.806130][  T727]  ? __ia32_sys_open (fs/open.c:1374)
[   38.806262][  T727]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   38.806393][  T727]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   38.806524][  T727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.806655][  T727]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.806789][  T727]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.806925][  T727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.807087][  T727] RIP: 0033:0x7fea371f1bcb
[   38.807224][  T727] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   38.807692][  T727] RSP: 002b:00007fff9b67a868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.807899][  T727] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea371f1bcb
[   38.808093][  T727] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.808288][  T727] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.808481][  T727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9b67ca90
[   38.808678][  T727] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9b67d847
| [   38.837685][  T728] ------------[ cut here ]------------
| [   38.837858][  T728] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/728
| [   38.838096][  T728] Modules linked in:
| [   38.838473][  T728] Tainted: [W]=WARN
[   38.838578][  T728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.838751][  T728] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.839544][  T728] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.840032][  T728] RSP: 0018:ffa00000021c7020 EFLAGS: 00010286
[   38.840198][  T728] RAX: 00000000ffffffa6 RBX: ff1100000c04ac80 RCX: 1ff4000000438dca
[   38.840395][  T728] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04ad3c
[   38.840595][  T728] RBP: ff1100000f161000 R08: 1fe22000018095a9 R09: ff11000009d30b58
[   38.840799][  T728] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   38.841000][  T728] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   38.841197][  T728] FS:  00007f968ab1c840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   38.841427][  T728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.841597][  T728] CR2: 000000003bdaf988 CR3: 0000000008d41001 CR4: 0000000000771ef0
[   38.841800][  T728] PKRU: 55555554
[   38.841904][  T728] Call Trace:
[   38.842002][  T728]  <TASK>
[   38.842070][  T728]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.842203][  T728]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.842303][  T728]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   38.842435][  T728]  __dev_notify_flags (net/core/dev.c:9787)
[   38.842572][  T728]  ? netif_change_name (net/core/dev.c:1495)
[   38.842705][  T728]  ? __dev_change_flags (net/core/dev.c:9752)
[   38.842842][  T728]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   38.842977][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.843110][  T728]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   38.843243][  T728]  netif_change_flags (net/core/dev.c:9820)
[   38.843376][  T728]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.843512][  T728]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   38.843647][  T728]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   38.843786][  T728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   38.843957][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.844089][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.844220][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.844352][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.844488][  T728]  ? __kernel_text_address (kernel/extable.c:79)
[   38.844624][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.844760][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.844897][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.845031][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.845165][  T728]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.845297][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.845430][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.845565][  T728]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   38.845698][  T728]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   38.845838][  T728]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   38.845976][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   38.846110][  T728]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   38.846246][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   38.846383][  T728]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.846522][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.846655][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.846791][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.846929][  T728]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.847061][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.847198][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.847332][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.847464][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.847602][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.847735][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.847879][  T728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.848014][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.848149][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.848282][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.848417][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.848552][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.848685][  T728]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.848822][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.848960][  T728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.849096][  T728]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.849228][  T728]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.849361][  T728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.849494][  T728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.849631][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.849770][  T728]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.849910][  T728]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.850043][  T728]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.850179][  T728]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.850315][  T728]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.850447][  T728]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.850616][  T728]  ? move_addr_to_kernel (net/socket.c:258)
[   38.850755][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.850894][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.851028][  T728]  ___sys_sendmsg (net/socket.c:2752)
[   38.851159][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.851324][  T728]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.851470][  T728]  __sys_sendmsg (net/socket.c:2784)
[   38.851609][  T728]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.851745][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.851916][  T728]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.852048][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.852183][  T728]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.852317][  T728]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.852451][  T728]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.852584][  T728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.852755][  T728] RIP: 0033:0x7f968ad5608e
[   38.852900][  T728] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.853371][  T728] RSP: 002b:00007ffc52a1a390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.853574][  T728] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f968ad5608e
[   38.853777][  T728] RDX: 0000000000000000 RSI: 00007ffc52a1a440 RDI: 0000000000000005
[   38.853978][  T728] RBP: 00007ffc52a1a3a0 R08: 0000000000000000 R09: 0000000000000000
[   38.854176][  T728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   38.854372][  T728] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc52a1ab10
| [   39.049616][  T736] ------------[ cut here ]------------
| [   39.049827][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/736
| [   39.050403][  T736] Modules linked in:
| [   39.050892][  T736] Tainted: [W]=WARN
[   39.051038][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.051249][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.051468][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.051999][  T736] RSP: 0018:ffa0000002217a80 EFLAGS: 00010286
[   39.052214][  T736] RAX: 00000000ffffffa6 RBX: ff11000009a018c0 RCX: 1ff4000000442f16
[   39.052455][  T736] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0197c
[   39.052704][  T736] RBP: ff11000007859000 R08: 1fe2200001340331 R09: ff11000010482e80
[   39.052966][  T736] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.053209][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007859000
[   39.053453][  T736] FS:  00007f37a3664840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   39.053736][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.053967][  T736] CR2: 00007f37a3870690 CR3: 0000000009cec001 CR4: 0000000000771ef0
[   39.054210][  T736] PKRU: 55555554
[   39.054356][  T736] Call Trace:
[   39.054501][  T736]  <TASK>
[   39.054624][  T736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.054813][  T736]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.055009][  T736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.055160][  T736]  register_netdevice (net/core/dev.c:11488)
[   39.055339][  T736]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.055555][  T736]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.055735][  T736]  register_netdev (net/core/dev.c:11552)
[   39.055936][  T736]  loopback_net_init (drivers/net/loopback.c:218)
[   39.056115][  T736]  ops_init (net/core/net_namespace.c:137)
[   39.056263][  T736]  setup_net (net/core/net_namespace.c:446)
[   39.056410][  T736]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.056593][  T736]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.056779][  T736]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.056974][  T736]  copy_net_ns (net/core/net_namespace.c:579)
[   39.057153][  T736]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.057333][  T736]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.057517][  T736]  ksys_unshare (kernel/fork.c:3243)
[   39.057697][  T736]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.057896][  T736]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.058074][  T736]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.058254][  T736]  ? __ia32_sys_open (fs/open.c:1374)
[   39.058434][  T736]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.058619][  T736]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.058808][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.059002][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.059183][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.059363][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.059581][  T736] RIP: 0033:0x7f37a3926bcb
[   39.059772][  T736] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.060291][  T736] RSP: 002b:00007ffe882fa9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.060535][  T736] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37a3926bcb
[   39.060806][  T736] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.061062][  T736] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.061301][  T736] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe882fcc00
[   39.061549][  T736] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe882fd847
| [   39.066210][  T736] ------------[ cut here ]------------
| [   39.066386][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/736
| [   39.066666][  T736] Modules linked in:
| [   39.067145][  T736] Tainted: [W]=WARN
[   39.067289][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.067498][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.067725][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.068254][  T736] RSP: 0018:ffa0000002217918 EFLAGS: 00010286
[   39.068465][  T736] RAX: 00000000ffffffa6 RBX: ff1100000ca8cac0 RCX: 1ff4000000442ee9
[   39.068714][  T736] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8cb7c
[   39.068976][  T736] RBP: ff110000089e1000 R08: 1fe2200001951971 R09: ff11000010482e80
[   39.069218][  T736] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.069460][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089e1000
[   39.069711][  T736] FS:  00007f37a3664840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   39.070006][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.070218][  T736] CR2: 00007f37a3870690 CR3: 0000000009cec001 CR4: 0000000000771ef0
[   39.070460][  T736] PKRU: 55555554
[   39.070613][  T736] Call Trace:
[   39.070763][  T736]  <TASK>
[   39.070891][  T736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.071069][  T736]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.071248][  T736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.071395][  T736]  register_netdevice (net/core/dev.c:11488)
[   39.071585][  T736]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.071804][  T736]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.071997][  T736]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   39.072175][  T736]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   39.072353][  T736]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   39.072538][  T736]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   39.072719][  T736]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   39.072920][  T736]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   39.073100][  T736]  ops_init (net/core/net_namespace.c:137)
[   39.073248][  T736]  setup_net (net/core/net_namespace.c:446)
[   39.073394][  T736]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.073579][  T736]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.073764][  T736]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.073960][  T736]  copy_net_ns (net/core/net_namespace.c:579)
[   39.074141][  T736]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.074320][  T736]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.074497][  T736]  ksys_unshare (kernel/fork.c:3243)
[   39.074684][  T736]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.074882][  T736]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.075063][  T736]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.075243][  T736]  ? __ia32_sys_open (fs/open.c:1374)
[   39.075423][  T736]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.075610][  T736]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.075794][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.075984][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.076163][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.076345][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.076564][  T736] RIP: 0033:0x7f37a3926bcb
[   39.076756][  T736] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.077274][  T736] RSP: 002b:00007ffe882fa9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.077520][  T736] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37a3926bcb
[   39.077773][  T736] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.078025][  T736] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.078263][  T736] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe882fcc00
[   39.078502][  T736] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe882fd847
| [   39.082775][  T736] ------------[ cut here ]------------
| [   39.082959][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/736
| [   39.083233][  T736] Modules linked in:
| [   39.083702][  T736] Tainted: [W]=WARN
[   39.083857][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.084080][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.084299][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.084822][  T736] RSP: 0018:ffa00000022178f8 EFLAGS: 00010286
[   39.085047][  T736] RAX: 00000000ffffffa6 RBX: ff1100000fc4aac0 RCX: 1ff4000000442ee5
[   39.085289][  T736] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4ab7c
[   39.085537][  T736] RBP: ff11000010919000 R08: 1fe2200001f89571 R09: ff11000010482e80
[   39.085786][  T736] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.086043][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010919000
[   39.086290][  T736] FS:  00007f37a3664840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   39.086579][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.086797][  T736] CR2: 00007f37a3870690 CR3: 0000000009cec001 CR4: 0000000000771ef0
[   39.087053][  T736] PKRU: 55555554
[   39.087198][  T736] Call Trace:
[   39.087342][  T736]  <TASK>
[   39.087456][  T736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.087642][  T736]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.087835][  T736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.087997][  T736]  register_netdevice (net/core/dev.c:11488)
[   39.088178][  T736]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.088389][  T736]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.088577][  T736]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   39.088764][  T736]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   39.088954][  T736]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   39.089137][  T736]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   39.089317][  T736]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   39.089498][  T736]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   39.089685][  T736]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.089890][  T736]  vti_init_net (net/ipv4/ip_vti.c:517)
[   39.090072][  T736]  ops_init (net/core/net_namespace.c:137)
[   39.090221][  T736]  setup_net (net/core/net_namespace.c:446)
[   39.090369][  T736]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.090557][  T736]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.090735][  T736]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.090937][  T736]  copy_net_ns (net/core/net_namespace.c:579)
[   39.091117][  T736]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.091297][  T736]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.091476][  T736]  ksys_unshare (kernel/fork.c:3243)
[   39.091659][  T736]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.091850][  T736]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.092043][  T736]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.092222][  T736]  ? __ia32_sys_open (fs/open.c:1374)
[   39.092401][  T736]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.092587][  T736]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.092772][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.092965][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.093143][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.093326][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.093539][  T736] RIP: 0033:0x7f37a3926bcb
[   39.093724][  T736] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.094253][  T736] RSP: 002b:00007ffe882fa9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.094499][  T736] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37a3926bcb
[   39.094753][  T736] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.095007][  T736] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.095246][  T736] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe882fcc00
[   39.095489][  T736] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe882fd847
| [   39.105426][  T736] ------------[ cut here ]------------
| [   39.105691][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/736
| [   39.105982][  T736] Modules linked in:
| [   39.106528][  T736] Tainted: [W]=WARN
[   39.106672][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.107404][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.107685][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.108266][  T736] RSP: 0018:ffa0000002217a78 EFLAGS: 00010286
[   39.108538][  T736] RAX: 00000000ffffffa6 RBX: ff110000105f23c0 RCX: 1ff4000000442f15
[   39.108836][  T736] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f247c
[   39.109137][  T736] RBP: ff1100001061c000 R08: 1fe22000020be491 R09: ff11000010482e80
[   39.109427][  T736] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.109729][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001061c000
[   39.110040][  T736] FS:  00007f37a3664840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   39.110366][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.110637][  T736] CR2: 00007f37a3870690 CR3: 0000000009cec001 CR4: 0000000000771ef0
[   39.110954][  T736] PKRU: 55555554
[   39.111149][  T736] Call Trace:
[   39.111345][  T736]  <TASK>
[   39.111513][  T736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.111754][  T736]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.111998][  T736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.112197][  T736]  register_netdevice (net/core/dev.c:11488)
[   39.112425][  T736]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.112697][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.112950][  T736]  register_netdev (net/core/dev.c:11552)
[   39.113179][  T736]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   39.113411][  T736]  ops_init (net/core/net_namespace.c:137)
[   39.113618][  T736]  setup_net (net/core/net_namespace.c:446)
[   39.113823][  T736]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.114081][  T736]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.114312][  T736]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.114550][  T736]  copy_net_ns (net/core/net_namespace.c:579)
[   39.114791][  T736]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.115037][  T736]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.115270][  T736]  ksys_unshare (kernel/fork.c:3243)
[   39.115498][  T736]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.115736][  T736]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.115988][  T736]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.116216][  T736]  ? __ia32_sys_open (fs/open.c:1374)
[   39.116445][  T736]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.116680][  T736]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.116933][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.117164][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.117390][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.117626][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.117912][  T736] RIP: 0033:0x7f37a3926bcb
[   39.118149][  T736] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.118714][  T736] RSP: 002b:00007ffe882fa9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.119036][  T736] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37a3926bcb
[   39.119329][  T736] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.119631][  T736] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.119946][  T736] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe882fcc00
[   39.120241][  T736] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe882fd847
| [   39.125286][  T736] ------------[ cut here ]------------
| [   39.125432][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/736
| [   39.125662][  T736] Modules linked in:
| [   39.126042][  T736] Tainted: [W]=WARN
[   39.126141][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.126302][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.126471][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.126945][  T736] RSP: 0018:ffa0000002217a68 EFLAGS: 00010286
[   39.127108][  T736] RAX: 00000000ffffffa6 RBX: ff1100000922b1c0 RCX: 1ff4000000442f13
[   39.127304][  T736] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922b27c
[   39.127497][  T736] RBP: ff1100000ef0c000 R08: 1fe2200001245651 R09: ff11000010482e80
[   39.127693][  T736] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   39.127899][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef0c000
[   39.128095][  T736] FS:  00007f37a3664840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   39.128328][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.128492][  T736] CR2: 000055dfefec9870 CR3: 0000000009cec003 CR4: 0000000000771ef0
[   39.128690][  T736] PKRU: 55555554
[   39.128791][  T736] Call Trace:
[   39.128893][  T736]  <TASK>
[   39.128960][  T736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.129090][  T736]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.129217][  T736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.129316][  T736]  register_netdevice (net/core/dev.c:11488)
[   39.129447][  T736]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.129613][  T736]  register_netdev (net/core/dev.c:11552)
[   39.129746][  T736]  sit_init_net (net/ipv6/sit.c:1860)
[   39.129881][  T736]  ops_init (net/core/net_namespace.c:137)
[   39.129983][  T736]  setup_net (net/core/net_namespace.c:446)
[   39.130080][  T736]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.130208][  T736]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.130336][  T736]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.130467][  T736]  copy_net_ns (net/core/net_namespace.c:579)
[   39.130601][  T736]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.130732][  T736]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.130873][  T736]  ksys_unshare (kernel/fork.c:3243)
[   39.131001][  T736]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.131131][  T736]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.131258][  T736]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.131387][  T736]  ? __ia32_sys_open (fs/open.c:1374)
[   39.131520][  T736]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.131648][  T736]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.131783][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.131916][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.132043][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.132172][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.132329][  T736] RIP: 0033:0x7f37a3926bcb
[   39.132463][  T736] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.132937][  T736] RSP: 002b:00007ffe882fa9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.133131][  T736] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37a3926bcb
[   39.133323][  T736] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.133518][  T736] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.133710][  T736] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe882fcc00
[   39.133912][  T736] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe882fd847
| [   39.138518][  T736] ------------[ cut here ]------------
| [   39.138653][  T736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/736
| [   39.138882][  T736] Modules linked in:
| [   39.139245][  T736] Tainted: [W]=WARN
[   39.139342][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.139502][  T736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.139675][  T736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.140141][  T736] RSP: 0018:ffa0000002217a78 EFLAGS: 00010286
[   39.140303][  T736] RAX: 00000000ffffffa6 RBX: ff1100000ed72040 RCX: 1ff4000000442f15
[   39.140495][  T736] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed720fc
[   39.140691][  T736] RBP: ff11000010099000 R08: 1fe2200001dae421 R09: ff11000010482e80
[   39.140898][  T736] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   39.141096][  T736] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010099000
[   39.141291][  T736] FS:  00007f37a3664840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   39.141519][  T736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.141683][  T736] CR2: 000055dfefec9870 CR3: 0000000009cec003 CR4: 0000000000771ef0
[   39.141893][  T736] PKRU: 55555554
[   39.141990][  T736] Call Trace:
[   39.142086][  T736]  <TASK>
[   39.142153][  T736]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.142281][  T736]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.142410][  T736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.142512][  T736]  register_netdevice (net/core/dev.c:11488)
[   39.142642][  T736]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.142808][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.142948][  T736]  register_netdev (net/core/dev.c:11552)
[   39.143078][  T736]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   39.143208][  T736]  ops_init (net/core/net_namespace.c:137)
[   39.143307][  T736]  setup_net (net/core/net_namespace.c:446)
[   39.143404][  T736]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.143535][  T736]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.143666][  T736]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.143801][  T736]  copy_net_ns (net/core/net_namespace.c:579)
[   39.143937][  T736]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.144067][  T736]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.144196][  T736]  ksys_unshare (kernel/fork.c:3243)
[   39.144325][  T736]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.144453][  T736]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.144583][  T736]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.144714][  T736]  ? __ia32_sys_open (fs/open.c:1374)
[   39.144849][  T736]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.144981][  T736]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.145109][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.145237][  T736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.145366][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.145495][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.145661][  T736] RIP: 0033:0x7f37a3926bcb
[   39.145803][  T736] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.146267][  T736] RSP: 002b:00007ffe882fa9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.146463][  T736] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37a3926bcb
[   39.146657][  T736] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.146853][  T736] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.147049][  T736] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe882fcc00
[   39.147243][  T736] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe882fd847
| [   39.178562][  T737] ------------[ cut here ]------------
| [   39.178707][  T737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/737
| [   39.178945][  T737] Modules linked in:
| [   39.179310][  T737] Tainted: [W]=WARN
[   39.179408][  T737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.179574][  T737] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.179748][  T737] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.180216][  T737] RSP: 0018:ffa0000002227020 EFLAGS: 00010286
[   39.180378][  T737] RAX: 00000000ffffffa6 RBX: ff1100000ed73c40 RCX: 1ff4000000444dca
[   39.180576][  T737] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed73cfc
[   39.180775][  T737] RBP: ff11000007859000 R08: 1fe2200001dae7a1 R09: ff11000010485158
[   39.180972][  T737] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   39.181167][  T737] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.181360][  T737] FS:  00007f34f172e840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   39.181588][  T737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.181752][  T737] CR2: 000000002e8d3988 CR3: 000000000f0d1006 CR4: 0000000000771ef0
[   39.181949][  T737] PKRU: 55555554
[   39.182045][  T737] Call Trace:
[   39.182141][  T737]  <TASK>
[   39.182208][  T737]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.182340][  T737]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.182438][  T737]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.182570][  T737]  __dev_notify_flags (net/core/dev.c:9787)
[   39.182701][  T737]  ? netif_change_name (net/core/dev.c:1495)
[   39.182836][  T737]  ? __dev_change_flags (net/core/dev.c:9752)
[   39.182971][  T737]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   39.183099][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.183228][  T737]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.183359][  T737]  netif_change_flags (net/core/dev.c:9820)
[   39.183487][  T737]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.183620][  T737]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   39.183755][  T737]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.183893][  T737]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.184057][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.184186][  T737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.184315][  T737]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.184443][  T737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.184578][  T737]  ? __kernel_text_address (kernel/extable.c:79)
[   39.184709][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.184846][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.184977][  T737]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.185107][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.185239][  T737]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.185368][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.185498][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.185631][  T737]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.185768][  T737]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.185902][  T737]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.186032][  T737]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.186163][  T737]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.186294][  T737]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.186427][  T737]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.186561][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.186689][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.186825][  T737]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.186960][  T737]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.187087][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.187219][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.187346][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.187472][  T737]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.187604][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.187734][  T737]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.187872][  T737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.188001][  T737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.188129][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.188257][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.188388][  T737]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.188518][  T737]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.188647][  T737]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.188783][  T737]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.188918][  T737]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.189051][  T737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.189182][  T737]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.189315][  T737]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.189446][  T737]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.189583][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.189713][  T737]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.189849][  T737]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.189985][  T737]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.190117][  T737]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.190247][  T737]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.190378][  T737]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.190541][  T737]  ? move_addr_to_kernel (net/socket.c:258)
[   39.190673][  T737]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.190806][  T737]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.190942][  T737]  ___sys_sendmsg (net/socket.c:2752)
[   39.191071][  T737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.191232][  T737]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.191375][  T737]  __sys_sendmsg (net/socket.c:2784)
[   39.191507][  T737]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.191639][  T737]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.191807][  T737]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.191943][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.192075][  T737]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.192204][  T737]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.192333][  T737]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.192462][  T737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.192627][  T737] RIP: 0033:0x7f34f196808e
[   39.192767][  T737] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.193231][  T737] RSP: 002b:00007ffccdc302f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.193429][  T737] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f34f196808e
[   39.193630][  T737] RDX: 0000000000000000 RSI: 00007ffccdc303a0 RDI: 0000000000000005
[   39.193831][  T737] RBP: 00007ffccdc30300 R08: 0000000000000000 R09: 0000000000000000
[   39.194031][  T737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.194225][  T737] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccdc30a70
| [   39.548731][  T752] ------------[ cut here ]------------
| [   39.549530][  T752] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/752
| [   39.549776][  T752] Modules linked in:
| [   39.550157][  T752] Tainted: [W]=WARN
[   39.550257][  T752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.550423][  T752] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.550602][  T752] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.551091][  T752] RSP: 0018:ffa00000022d6e30 EFLAGS: 00010286
[   39.551260][  T752] RAX: 00000000ffffffa6 RBX: ff1100000922b540 RCX: 1ff400000045ad8c
[   39.551461][  T752] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922b5fc
[   39.551665][  T752] RBP: ff110000101b1000 R08: 1fe22000012456c1 R09: ff1100000ffdd180
[   39.551879][  T752] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   39.552076][  T752] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc6a380
[   39.552277][  T752] FS:  00007f83dfc71840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   39.552515][  T752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.552682][  T752] CR2: 000000000042ebe0 CR3: 00000000060e6002 CR4: 0000000000771ef0
[   39.552897][  T752] PKRU: 55555554
[   39.552998][  T752] Call Trace:
[   39.553098][  T752]  <TASK>
[   39.553167][  T752]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.553303][  T752]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.553404][  T752]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   39.553573][  T752]  __dev_notify_flags (net/core/dev.c:9787)
[   39.553708][  T752]  ? netif_change_name (net/core/dev.c:1495)
[   39.553847][  T752]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.553987][  T752]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.554119][  T752]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.554255][  T752]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   39.554391][  T752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.554529][  T752]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.554664][  T752]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.554803][  T752]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.554942][  T752]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   39.555077][  T752]  veth_newlink (drivers/net/veth.c:1871)
[   39.555212][  T752]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   39.555345][  T752]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.555478][  T752]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.555614][  T752]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.555768][  T752]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   39.555907][  T752]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   39.556041][  T752]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   39.556176][  T752]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.556312][  T752]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   39.556447][  T752]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   39.556585][  T752]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.556718][  T752]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.556856][  T752]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.557003][  T752]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.557140][  T752]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.557275][  T752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.557408][  T752]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.557544][  T752]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.557676][  T752]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.557816][  T752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.557958][  T752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.558092][  T752]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.558226][  T752]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.558360][  T752]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.558493][  T752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.558628][  T752]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.558769][  T752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.558907][  T752]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.559042][  T752]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.559175][  T752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.559308][  T752]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.559446][  T752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.559581][  T752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.559716][  T752]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.559857][  T752]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.559996][  T752]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.560129][  T752]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.560262][  T752]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.560396][  T752]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.560538][  T752]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.560672][  T752]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.560811][  T752]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.560980][  T752]  ? move_addr_to_kernel (net/socket.c:258)
[   39.561117][  T752]  ___sys_sendmsg (net/socket.c:2752)
[   39.561250][  T752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.561382][  T752]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.561529][  T752]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   39.561664][  T752]  __sys_sendmsg (net/socket.c:2784)
[   39.561805][  T752]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.561948][  T752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.562081][  T752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.562215][  T752]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.562348][  T752]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.562482][  T752]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.562616][  T752]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.562787][  T752] RIP: 0033:0x7f83dfeab08e
[   39.562932][  T752] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.563404][  T752] RSP: 002b:00007ffdf88728a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.563610][  T752] RAX: ffffffffffffffda RBX: 00007ffdf8873048 RCX: 00007f83dfeab08e
[   39.563814][  T752] RDX: 0000000000000000 RSI: 00007ffdf8872950 RDI: 0000000000000005
[   39.564018][  T752] RBP: 00007ffdf88728b0 R08: 0000000000000000 R09: 0000000000000000
[   39.564217][  T752] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.564418][  T752] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf8873020
| [   39.571674][  T752] ------------[ cut here ]------------
| [   39.571820][  T752] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/752
| [   39.572475][  T752] Modules linked in:
| [   39.572850][  T752] Tainted: [W]=WARN
[   39.572954][  T752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.573121][  T752] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.573292][  T752] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.573767][  T752] RSP: 0018:ffa00000022d71b0 EFLAGS: 00010286
[   39.573938][  T752] RAX: 00000000ffffffa6 RBX: ff1100000baabe00 RCX: 1ff400000045adfc
[   39.574135][  T752] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baabebc
[   39.574329][  T752] RBP: ff1100000e644000 R08: 1fe22000017557d9 R09: ff1100000ffdd180
[   39.574527][  T752] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   39.574721][  T752] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   39.574930][  T752] FS:  00007f83dfc71840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   39.575161][  T752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.575327][  T752] CR2: 000000000042ebe0 CR3: 00000000060e6002 CR4: 0000000000771ef0
[   39.575633][  T752] PKRU: 55555554
[   39.575732][  T752] Call Trace:
[   39.575837][  T752]  <TASK>
[   39.575910][  T752]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.576132][  T752]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.576233][  T752]  __dev_notify_flags (net/core/dev.c:9787)
[   39.576364][  T752]  ? netif_change_name (net/core/dev.c:1495)
[   39.576496][  T752]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   39.576719][  T752]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.576857][  T752]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.576996][  T752]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   39.577128][  T752]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.577345][  T752]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.577477][  T752]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.577618][  T752]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.577759][  T752]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.577897][  T752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.578028][  T752]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.578158][  T752]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.578290][  T752]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.578511][  T752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.578646][  T752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.578783][  T752]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.578920][  T752]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.579137][  T752]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.579271][  T752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.579402][  T752]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.579540][  T752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.579765][  T752]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.579905][  T752]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.580037][  T752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.580169][  T752]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.580392][  T752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.580531][  T752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.580666][  T752]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.580805][  T752]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.581029][  T752]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.581163][  T752]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.581296][  T752]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.581428][  T752]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.581653][  T752]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.581793][  T752]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.581929][  T752]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.582092][  T752]  ? move_addr_to_kernel (net/socket.c:258)
[   39.582315][  T752]  ___sys_sendmsg (net/socket.c:2752)
[   39.582446][  T752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.582580][  T752]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.582722][  T752]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   39.582955][  T752]  __sys_sendmsg (net/socket.c:2784)
[   39.583087][  T752]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.583223][  T752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.583356][  T752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.583578][  T752]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.583710][  T752]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.583847][  T752]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.583985][  T752]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.584236][  T752] RIP: 0033:0x7f83dfeab08e
[   39.584373][  T752] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.584947][  T752] RSP: 002b:00007ffdf88728a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.585146][  T752] RAX: ffffffffffffffda RBX: 00007ffdf8873048 RCX: 00007f83dfeab08e
[   39.585434][  T752] RDX: 0000000000000000 RSI: 00007ffdf8872950 RDI: 0000000000000005
[   39.585634][  T752] RBP: 00007ffdf88728b0 R08: 0000000000000000 R09: 0000000000000000
[   39.585836][  T752] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.586129][  T752] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf8873020
| [   39.627423][  T753] ------------[ cut here ]------------
| [   39.627572][  T753] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/753
| [   39.627861][  T753] Modules linked in:
| [   39.628222][  T753] Tainted: [W]=WARN
[   39.628317][  T753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.628473][  T753] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.628640][  T753] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.629101][  T753] RSP: 0018:ffa00000022e6ff8 EFLAGS: 00010286
[   39.629262][  T753] RAX: 00000000ffffffa6 RBX: ff110000109b98c0 RCX: 1ff400000045cdc5
[   39.629448][  T753] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b997c
[   39.629639][  T753] RBP: ff110000101b1000 R08: 1fe2200002137331 R09: ff11000012560b58
[   39.629830][  T753] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   39.630023][  T753] R13: 0000000000000000 R14: ffa00000022e7140 R15: ff11000004b334d0
[   39.630212][  T753] FS:  00007fe7ba287840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   39.630432][  T753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.630594][  T753] CR2: 000000000b72f988 CR3: 000000000e788006 CR4: 0000000000771ef0
[   39.630788][  T753] PKRU: 55555554
[   39.630888][  T753] Call Trace:
[   39.630983][  T753]  <TASK>
[   39.631049][  T753]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   39.631176][  T753]  __dev_change_net_namespace (net/core/dev.c:12635)
[   39.631335][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.631461][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.631592][  T753]  ? default_device_exit_batch (net/core/dev.c:13091)
[   39.631768][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.632382][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.632514][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.632640][  T753]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.632773][  T753]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.632955][  T753]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   39.633091][  T753]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.633217][  T753]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.633374][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.633500][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.633630][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.633762][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.633945][  T753]  ? __kernel_text_address (kernel/extable.c:79)
[   39.634072][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.634200][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.634325][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.634451][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.634631][  T753]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.634766][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.634945][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.635072][  T753]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.635199][  T753]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.635325][  T753]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.635451][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.635582][  T753]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.635708][  T753]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.635844][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.636025][  T753]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.636154][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.636278][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.636402][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.636530][  T753]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.636654][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.636790][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.636968][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.637092][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.637218][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.637345][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.637470][  T753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.637599][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.637724][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.637858][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.638040][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.638166][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.638291][  T753]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.638416][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.638547][  T753]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.638678][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.638810][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.638992][  T753]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.639122][  T753]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.639248][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.639375][  T753]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.639502][  T753]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.639633][  T753]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.639767][  T753]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.639948][  T753]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.640075][  T753]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.640231][  T753]  ? move_addr_to_kernel (net/socket.c:258)
[   39.640358][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.640484][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.640614][  T753]  ___sys_sendmsg (net/socket.c:2752)
[   39.640739][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.640939][  T753]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.641078][  T753]  __sys_sendmsg (net/socket.c:2784)
[   39.641203][  T753]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.641328][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.641489][  T753]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.641619][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.641753][  T753]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.641887][  T753]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.642013][  T753]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.642143][  T753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.642297][  T753] RIP: 0033:0x7fe7ba4c108e
[   39.642428][  T753] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.642893][  T753] RSP: 002b:00007fff32560270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.643085][  T753] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe7ba4c108e
[   39.643276][  T753] RDX: 0000000000000000 RSI: 00007fff32560320 RDI: 0000000000000005
[   39.643465][  T753] RBP: 00007fff32560280 R08: 0000000000000000 R09: 0000000000000000
[   39.643659][  T753] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.643851][  T753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff325609f0
| [   39.654829][  T753] ------------[ cut here ]------------
| [   39.654970][  T753] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/753
| [   39.655187][  T753] Modules linked in:
| [   39.655551][  T753] Tainted: [W]=WARN
[   39.655648][  T753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.655813][  T753] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.655986][  T753] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.656441][  T753] RSP: 0018:ffa00000022e6fc0 EFLAGS: 00010286
[   39.656606][  T753] RAX: 00000000ffffffa6 RBX: ff1100000baab000 RCX: 1ff400000045cdbe
[   39.656803][  T753] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baab0bc
[   39.657003][  T753] RBP: ff110000101b1000 R08: 1fe2200001755619 R09: ff11000012560b58
[   39.657196][  T753] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   39.657389][  T753] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b334d0
[   39.657583][  T753] FS:  00007fe7ba287840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   39.657814][  T753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.657981][  T753] CR2: 000000000b72f988 CR3: 000000000e788006 CR4: 0000000000771ef0
[   39.658175][  T753] PKRU: 55555554
[   39.658273][  T753] Call Trace:
[   39.658367][  T753]  <TASK>
[   39.658433][  T753]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.658565][  T753]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.658694][  T753]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.658799][  T753]  __dev_change_net_namespace (net/core/dev.c:12695)
[   39.658966][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.659094][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.659225][  T753]  ? default_device_exit_batch (net/core/dev.c:13091)
[   39.659385][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.659515][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.659643][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.659777][  T753]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.659911][  T753]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.660041][  T753]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   39.660173][  T753]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.660302][  T753]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.660461][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.660592][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.660719][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.660850][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.660984][  T753]  ? __kernel_text_address (kernel/extable.c:79)
[   39.661115][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.661244][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.661371][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.661499][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.661630][  T753]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.661759][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.661892][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.662021][  T753]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.662149][  T753]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.662277][  T753]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.662404][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.662536][  T753]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.662664][  T753]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.662801][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.662939][  T753]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.663069][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.663198][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.663325][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.663452][  T753]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.663580][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.663709][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.663840][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.663972][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.664100][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.664228][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.664355][  T753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.664482][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.664612][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.664739][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.664878][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.665005][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.665134][  T753]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.665262][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.665389][  T753]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.665523][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.665650][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.665785][  T753]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.665920][  T753]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.666050][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.666179][  T753]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.666306][  T753]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.666435][  T753]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.666569][  T753]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.666697][  T753]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.666830][  T753]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.666996][  T753]  ? move_addr_to_kernel (net/socket.c:258)
[   39.667125][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.667252][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.667380][  T753]  ___sys_sendmsg (net/socket.c:2752)
[   39.667507][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.667667][  T753]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.667814][  T753]  __sys_sendmsg (net/socket.c:2784)
[   39.667951][  T753]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.668078][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.668239][  T753]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.668367][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.668495][  T753]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.668625][  T753]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.668756][  T753]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.668888][  T753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.669046][  T753] RIP: 0033:0x7fe7ba4c108e
[   39.669180][  T753] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.669639][  T753] RSP: 002b:00007fff32560270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.669837][  T753] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe7ba4c108e
[   39.670041][  T753] RDX: 0000000000000000 RSI: 00007fff32560320 RDI: 0000000000000005
[   39.670229][  T753] RBP: 00007fff32560280 R08: 0000000000000000 R09: 0000000000000000
[   39.670418][  T753] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.670616][  T753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff325609f0
| [   39.672497][  T753] ------------[ cut here ]------------
| [   39.672626][  T753] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/753
| [   39.672848][  T753] Modules linked in:
| [   39.673491][  T753] Tainted: [W]=WARN
[   39.673590][  T753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.673755][  T753] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.673926][  T753] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.674374][  T753] RSP: 0018:ffa00000022e7038 EFLAGS: 00010286
[   39.674536][  T753] RAX: 00000000ffffffa6 RBX: ff1100000baaa3c0 RCX: 1ff400000045cdcd
[   39.674724][  T753] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baaa47c
[   39.674924][  T753] RBP: ff110000101b1000 R08: 1fe2200001755491 R09: ff11000012560b58
[   39.675110][  T753] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   39.675301][  T753] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   39.675491][  T753] FS:  00007fe7ba287840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   39.675715][  T753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.675882][  T753] CR2: 000000000b72f988 CR3: 000000000e788006 CR4: 0000000000771ef0
[   39.676072][  T753] PKRU: 55555554
[   39.676165][  T753] Call Trace:
[   39.676259][  T753]  <TASK>
[   39.676324][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.676450][  T753]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   39.676579][  T753]  notifier_call_chain (kernel/notifier.c:85)
[   39.676707][  T753]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   39.676838][  T753]  ? default_device_exit_batch (net/core/dev.c:13091)
[   39.677009][  T753]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   39.677166][  T753]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.677295][  T753]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.677425][  T753]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   39.677556][  T753]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.677684][  T753]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.677847][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.677977][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.678103][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.678230][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.678356][  T753]  ? __kernel_text_address (kernel/extable.c:79)
[   39.678483][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.678614][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.678740][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.678878][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.679004][  T753]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.679131][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.679257][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.679388][  T753]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.679519][  T753]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.679645][  T753]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.679777][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.679911][  T753]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.680037][  T753]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.680168][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.680298][  T753]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.680426][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.680553][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.680680][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.680811][  T753]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.680943][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.681072][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.681200][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.681327][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.681453][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.681584][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.681711][  T753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.681844][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.681974][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.682100][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.682230][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.682355][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.682483][  T753]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.682612][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.682739][  T753]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.682882][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.683009][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.683139][  T753]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.683268][  T753]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.683396][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.683525][  T753]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.683653][  T753]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.683786][  T753]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.683918][  T753]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.684046][  T753]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.684174][  T753]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.684330][  T753]  ? move_addr_to_kernel (net/socket.c:258)
[   39.684459][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.684589][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.684717][  T753]  ___sys_sendmsg (net/socket.c:2752)
[   39.684849][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.685016][  T753]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.685155][  T753]  __sys_sendmsg (net/socket.c:2784)
[   39.685283][  T753]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.685410][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.685576][  T753]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.685704][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.685837][  T753]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.685975][  T753]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.686104][  T753]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.686230][  T753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.686387][  T753] RIP: 0033:0x7fe7ba4c108e
[   39.686521][  T753] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.686987][  T753] RSP: 002b:00007fff32560270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.687179][  T753] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe7ba4c108e
[   39.687370][  T753] RDX: 0000000000000000 RSI: 00007fff32560320 RDI: 0000000000000005
[   39.687565][  T753] RBP: 00007fff32560280 R08: 0000000000000000 R09: 0000000000000000
[   39.687760][  T753] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.687956][  T753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff325609f0
| [   39.690126][  T753] ------------[ cut here ]------------
| [   39.690256][  T753] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/753
| [   39.690481][  T753] Modules linked in:
| [   39.690849][  T753] Tainted: [W]=WARN
[   39.690952][  T753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.691116][  T753] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.691282][  T753] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.691747][  T753] RSP: 0018:ffa00000022e7020 EFLAGS: 00010286
[   39.691914][  T753] RAX: 00000000ffffffa6 RBX: ff1100000baaa200 RCX: 1ff400000045cdca
[   39.692105][  T753] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baaa2bc
[   39.692296][  T753] RBP: ff110000101b1000 R08: 1fe2200001755459 R09: ff11000012560b58
[   39.692488][  T753] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   39.692682][  T753] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.692883][  T753] FS:  00007fe7ba287840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   39.693108][  T753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.693269][  T753] CR2: 000000000b72f988 CR3: 000000000e788006 CR4: 0000000000771ef0
[   39.693463][  T753] PKRU: 55555554
[   39.693566][  T753] Call Trace:
[   39.693662][  T753]  <TASK>
[   39.693729][  T753]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.693872][  T753]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.693971][  T753]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.694100][  T753]  __dev_notify_flags (net/core/dev.c:9787)
[   39.694230][  T753]  ? netif_change_name (net/core/dev.c:1495)
[   39.694360][  T753]  ? __dev_change_flags (net/core/dev.c:9752)
[   39.694492][  T753]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   39.694625][  T753]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   39.694790][  T753]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.694926][  T753]  netif_change_flags (net/core/dev.c:9820)
[   39.695057][  T753]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   39.695188][  T753]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.695319][  T753]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.695482][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.695612][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.695741][  T753]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.695879][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.696010][  T753]  ? __kernel_text_address (kernel/extable.c:79)
[   39.696139][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.696269][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.696398][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.696531][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.696661][  T753]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.696794][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.696927][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.697056][  T753]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.697185][  T753]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.697315][  T753]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.697443][  T753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.697577][  T753]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.697705][  T753]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.697842][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.697978][  T753]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.698109][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.698237][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.698367][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.698495][  T753]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.698627][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.698764][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.698898][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.699025][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.699154][  T753]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.699286][  T753]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.699415][  T753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.699547][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.699675][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.699808][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.699949][  T753]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.700078][  T753]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.700207][  T753]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.700339][  T753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.700469][  T753]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.700605][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.700734][  T753]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.700878][  T753]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.701009][  T753]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.701139][  T753]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.701269][  T753]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.701400][  T753]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.701534][  T753]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.701663][  T753]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.701800][  T753]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.701935][  T753]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.702096][  T753]  ? move_addr_to_kernel (net/socket.c:258)
[   39.702226][  T753]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.702357][  T753]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.702488][  T753]  ___sys_sendmsg (net/socket.c:2752)
[   39.702618][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.702784][  T753]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.702930][  T753]  __sys_sendmsg (net/socket.c:2784)
[   39.703059][  T753]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.703188][  T753]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.703352][  T753]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.703480][  T753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.703613][  T753]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.703741][  T753]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.703881][  T753]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.704009][  T753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.704169][  T753] RIP: 0033:0x7fe7ba4c108e
[   39.704302][  T753] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.704771][  T753] RSP: 002b:00007fff32560270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.704971][  T753] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe7ba4c108e
[   39.705164][  T753] RDX: 0000000000000000 RSI: 00007fff32560320 RDI: 0000000000000005
[   39.705354][  T753] RBP: 00007fff32560280 R08: 0000000000000000 R09: 0000000000000000
[   39.705550][  T753] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.705741][  T753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff325609f0
| [   39.739439][  T754] ------------[ cut here ]------------
| [   39.739590][  T754] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/754
| [   39.739831][  T754] Modules linked in:
| [   39.740211][  T754] Tainted: [W]=WARN
[   39.740312][  T754] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.740478][  T754] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.740657][  T754] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.741149][  T754] RSP: 0018:ffa00000022f6e30 EFLAGS: 00010286
[   39.741316][  T754] RAX: 00000000ffffffa6 RBX: ff1100000fe91380 RCX: 1ff400000045ed8c
[   39.741517][  T754] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9143c
[   39.741715][  T754] RBP: ff110000126c9000 R08: 1fe2200001fd2289 R09: ff11000012562e80
[   39.741923][  T754] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   39.742121][  T754] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004c12380
[   39.742320][  T754] FS:  00007fee90669840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   39.742553][  T754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.742720][  T754] CR2: 00007fee909d0f65 CR3: 0000000009821001 CR4: 0000000000771ef0
[   39.742933][  T754] PKRU: 55555554
[   39.743033][  T754] Call Trace:
[   39.743132][  T754]  <TASK>
[   39.743201][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.743335][  T754]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.743470][  T754]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.743576][  T754]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   39.743710][  T754]  __dev_notify_flags (net/core/dev.c:9787)
[   39.743853][  T754]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   39.743992][  T754]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   39.744125][  T754]  ? netif_change_name (net/core/dev.c:1495)
[   39.744259][  T754]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.744392][  T754]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.744528][  T754]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.744661][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.744804][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.744944][  T754]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.745079][  T754]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.745213][  T754]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.745345][  T754]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   39.745481][  T754]  veth_newlink (drivers/net/veth.c:1871)
[   39.745619][  T754]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   39.745756][  T754]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.745896][  T754]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.746030][  T754]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.746180][  T754]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   39.746314][  T754]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   39.746449][  T754]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   39.746586][  T754]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.746723][  T754]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   39.746871][  T754]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   39.747008][  T754]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.747143][  T754]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.747276][  T754]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.747417][  T754]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.747557][  T754]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.747693][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.747835][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.747974][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.748108][  T754]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.748242][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.748379][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.748517][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.748650][  T754]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.748792][  T754]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.748933][  T754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.749067][  T754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.749202][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.749335][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.749469][  T754]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.749606][  T754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.749739][  T754]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.749886][  T754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.750020][  T754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.750156][  T754]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.750290][  T754]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.750424][  T754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.750562][  T754]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.750698][  T754]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.750838][  T754]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.750978][  T754]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.751111][  T754]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.751243][  T754]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.751408][  T754]  ? move_addr_to_kernel (net/socket.c:258)
[   39.751549][  T754]  ___sys_sendmsg (net/socket.c:2752)
[   39.751682][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.751819][  T754]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.751965][  T754]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   39.752100][  T754]  __sys_sendmsg (net/socket.c:2784)
[   39.752234][  T754]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.752371][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.752506][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.752642][  T754]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.752780][  T754]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.752917][  T754]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.753051][  T754]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.753217][  T754] RIP: 0033:0x7fee908a308e
[   39.753357][  T754] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.753844][  T754] RSP: 002b:00007fff2b20b5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.754047][  T754] RAX: ffffffffffffffda RBX: 00007fff2b20bd88 RCX: 00007fee908a308e
[   39.754246][  T754] RDX: 0000000000000000 RSI: 00007fff2b20b690 RDI: 0000000000000005
[   39.754446][  T754] RBP: 00007fff2b20b5f0 R08: 0000000000000000 R09: 0000000000000000
[   39.754650][  T754] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.754856][  T754] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2b20bd60
| [   39.768429][  T754] ------------[ cut here ]------------
| [   39.768575][  T754] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/754
| [   39.768808][  T754] Modules linked in:
| [   39.769182][  T754] Tainted: [W]=WARN
[   39.769281][  T754] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.769446][  T754] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.769620][  T754] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.770842][  T754] RSP: 0018:ffa00000022f71b0 EFLAGS: 00010286
[   39.771065][  T754] RAX: 00000000ffffffa6 RBX: ff11000001e4a200 RCX: 1ff400000045edfc
[   39.771265][  T754] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a2bc
[   39.771463][  T754] RBP: ff11000008321000 R08: 1fe22000003c9459 R09: ff11000012562e80
[   39.771666][  T754] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   39.771926][  T754] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   39.772128][  T754] FS:  00007fee90669840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   39.772416][  T754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.772586][  T754] CR2: 00007fee909d0f65 CR3: 0000000009821001 CR4: 0000000000771ef0
[   39.772793][  T754] PKRU: 55555554
[   39.772948][  T754] Call Trace:
[   39.773047][  T754]  <TASK>
[   39.773117][  T754]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.773252][  T754]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.773354][  T754]  __dev_notify_flags (net/core/dev.c:9787)
[   39.773488][  T754]  ? netif_change_name (net/core/dev.c:1495)
[   39.773626][  T754]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   39.773763][  T754]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.773955][  T754]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.774090][  T754]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   39.774226][  T754]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.774358][  T754]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.774490][  T754]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.774633][  T754]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.774774][  T754]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.774965][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.775096][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.775229][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.775362][  T754]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.775493][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.775634][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.775774][  T754]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.775962][  T754]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.776094][  T754]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.776225][  T754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.776358][  T754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.776492][  T754]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.776627][  T754]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.776765][  T754]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.776954][  T754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.777086][  T754]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.777221][  T754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.777353][  T754]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.777489][  T754]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.777627][  T754]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.777766][  T754]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.777959][  T754]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.778093][  T754]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.778227][  T754]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.778361][  T754]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.778494][  T754]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.778632][  T754]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.778803][  T754]  ? move_addr_to_kernel (net/socket.c:258)
[   39.778996][  T754]  ___sys_sendmsg (net/socket.c:2752)
[   39.779128][  T754]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.779259][  T754]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.779402][  T754]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   39.779542][  T754]  __sys_sendmsg (net/socket.c:2784)
[   39.779676][  T754]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.779816][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.780006][  T754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.780141][  T754]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.780273][  T754]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.780405][  T754]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.780542][  T754]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.780707][  T754] RIP: 0033:0x7fee908a308e
[   39.780853][  T754] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.781385][  T754] RSP: 002b:00007fff2b20b5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.781588][  T754] RAX: ffffffffffffffda RBX: 00007fff2b20bd88 RCX: 00007fee908a308e
[   39.781792][  T754] RDX: 0000000000000000 RSI: 00007fff2b20b690 RDI: 0000000000000005
[   39.782048][  T754] RBP: 00007fff2b20b5f0 R08: 0000000000000000 R09: 0000000000000000
[   39.782245][  T754] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   39.782443][  T754] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2b20bd60
| [   39.818106][  T755] ------------[ cut here ]------------
| [   39.818249][  T755] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/755
| [   39.818468][  T755] Modules linked in:
| [   39.818833][  T755] Tainted: [W]=WARN
[   39.818937][  T755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.819095][  T755] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.819260][  T755] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.819715][  T755] RSP: 0018:ffa0000002306ff8 EFLAGS: 00010286
[   39.819888][  T755] RAX: 00000000ffffffa6 RBX: ff1100000f1b51c0 RCX: 1ff4000000460dc5
[   39.820076][  T755] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b527c
[   39.820264][  T755] RBP: ff110000126c9000 R08: 1fe2200001e36a51 R09: ff11000012565158
[   39.820454][  T755] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   39.820646][  T755] R13: 0000000000000000 R14: ffa0000002307140 R15: ff11000005bfa350
[   39.820843][  T755] FS:  00007f06a3cec840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   39.821070][  T755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.821230][  T755] CR2: 0000000007d27988 CR3: 000000000e788002 CR4: 0000000000771ef0
[   39.821422][  T755] PKRU: 55555554
[   39.821520][  T755] Call Trace:
[   39.821617][  T755]  <TASK>
[   39.821682][  T755]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   39.821817][  T755]  __dev_change_net_namespace (net/core/dev.c:12635)
[   39.821982][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.822108][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.822237][  T755]  ? default_device_exit_batch (net/core/dev.c:13091)
[   39.822395][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.822522][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.822649][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.822781][  T755]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.822992][  T755]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.823121][  T755]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   39.823251][  T755]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.823379][  T755]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.823539][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.823665][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.823799][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.823937][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.824064][  T755]  ? __kernel_text_address (kernel/extable.c:79)
[   39.824193][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.824322][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.824447][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.824579][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.824706][  T755]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.824836][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.824969][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.825096][  T755]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.825223][  T755]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.825349][  T755]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.825474][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.825605][  T755]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.825731][  T755]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.825872][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.826002][  T755]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.826136][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.826260][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.826386][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.826519][  T755]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.826649][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.826783][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.826913][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.827040][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.827166][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.827294][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.827421][  T755]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.827550][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.827676][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.827807][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.827941][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.828067][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.828195][  T755]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.828321][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.828447][  T755]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.828580][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.828704][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.828838][  T755]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.828980][  T755]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.829109][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.829238][  T755]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.829365][  T755]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.829495][  T755]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.829627][  T755]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.829758][  T755]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.829891][  T755]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.830048][  T755]  ? move_addr_to_kernel (net/socket.c:258)
[   39.830175][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.830300][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.830427][  T755]  ___sys_sendmsg (net/socket.c:2752)
[   39.830555][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.830714][  T755]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.830859][  T755]  __sys_sendmsg (net/socket.c:2784)
[   39.830995][  T755]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.831121][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.831281][  T755]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.831408][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.831539][  T755]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.831665][  T755]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.831799][  T755]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.831935][  T755]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.832093][  T755] RIP: 0033:0x7f06a3f2608e
[   39.832225][  T755] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.832677][  T755] RSP: 002b:00007ffff44ea730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.832880][  T755] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f06a3f2608e
[   39.833069][  T755] RDX: 0000000000000000 RSI: 00007ffff44ea7e0 RDI: 0000000000000005
[   39.833258][  T755] RBP: 00007ffff44ea740 R08: 0000000000000000 R09: 0000000000000000
[   39.833446][  T755] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   39.833640][  T755] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff44eaeb0
| [   39.836186][  T755] ------------[ cut here ]------------
| [   39.836315][  T755] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/755
| [   39.836538][  T755] Modules linked in:
| [   39.837161][  T755] Tainted: [W]=WARN
[   39.837258][  T755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.837417][  T755] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.837587][  T755] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.838105][  T755] RSP: 0018:ffa0000002306fc0 EFLAGS: 00010286
[   39.838267][  T755] RAX: 00000000ffffffa6 RBX: ff1100000ee51000 RCX: 1ff4000000460dbe
[   39.838459][  T755] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee510bc
[   39.838652][  T755] RBP: ff110000126c9000 R08: 1fe2200001dca219 R09: ff11000012565158
[   39.838848][  T755] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   39.839065][  T755] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005bfa350
[   39.839262][  T755] FS:  00007f06a3cec840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   39.839485][  T755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.839647][  T755] CR2: 0000000007d27988 CR3: 000000000e788002 CR4: 0000000000771ef0
[   39.839846][  T755] PKRU: 55555554
[   39.839944][  T755] Call Trace:
[   39.840040][  T755]  <TASK>
[   39.840107][  T755]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.840238][  T755]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.840367][  T755]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.840466][  T755]  __dev_change_net_namespace (net/core/dev.c:12695)
[   39.840631][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.840765][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.840902][  T755]  ? default_device_exit_batch (net/core/dev.c:13091)
[   39.841062][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.841191][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.841320][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.841449][  T755]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.841581][  T755]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.841714][  T755]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   39.841849][  T755]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.841985][  T755]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.842147][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.842274][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.842402][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.842533][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.842660][  T755]  ? __kernel_text_address (kernel/extable.c:79)
[   39.842793][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.842930][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.843058][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.843188][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.843317][  T755]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.843445][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.843578][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.843705][  T755]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.843838][  T755]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.843972][  T755]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.844100][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.844230][  T755]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.844358][  T755]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.844489][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.844625][  T755]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.844759][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.844892][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.845021][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.845149][  T755]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.845277][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.845408][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.845539][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.845667][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.845801][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.845936][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.846064][  T755]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.846191][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.846319][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.846447][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.846580][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.846709][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.846846][  T755]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.846979][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.847109][  T755]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.847241][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.847369][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.847499][  T755]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.847632][  T755]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.847769][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.847907][  T755]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.848036][  T755]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.848166][  T755]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.848294][  T755]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.848422][  T755]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.848551][  T755]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.848711][  T755]  ? move_addr_to_kernel (net/socket.c:258)
[   39.848846][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.848982][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.849111][  T755]  ___sys_sendmsg (net/socket.c:2752)
[   39.849238][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.849398][  T755]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.849542][  T755]  __sys_sendmsg (net/socket.c:2784)
[   39.849670][  T755]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.849802][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.849972][  T755]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.850101][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.850230][  T755]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.850356][  T755]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.850484][  T755]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.850613][  T755]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.850777][  T755] RIP: 0033:0x7f06a3f2608e
[   39.850916][  T755] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.851372][  T755] RSP: 002b:00007ffff44ea730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.851567][  T755] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f06a3f2608e
[   39.851767][  T755] RDX: 0000000000000000 RSI: 00007ffff44ea7e0 RDI: 0000000000000005
[   39.851964][  T755] RBP: 00007ffff44ea740 R08: 0000000000000000 R09: 0000000000000000
[   39.852155][  T755] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   39.852346][  T755] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff44eaeb0
| [   39.860218][  T755] ------------[ cut here ]------------
| [   39.860352][  T755] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/755
| [   39.860576][  T755] Modules linked in:
| [   39.860944][  T755] Tainted: [W]=WARN
[   39.861040][  T755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.861196][  T755] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.861359][  T755] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.861817][  T755] RSP: 0018:ffa0000002307038 EFLAGS: 00010286
[   39.861981][  T755] RAX: 00000000ffffffa6 RBX: ff1100000ee51380 RCX: 1ff4000000460dcd
[   39.862169][  T755] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5143c
[   39.862359][  T755] RBP: ff110000126c9000 R08: 1fe2200001dca289 R09: ff11000012565158
[   39.862549][  T755] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   39.862737][  T755] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.862939][  T755] FS:  00007f06a3cec840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   39.863163][  T755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.863320][  T755] CR2: 00007f83dfd3e574 CR3: 000000000e788004 CR4: 0000000000771ef0
[   39.863514][  T755] PKRU: 55555554
[   39.863610][  T755] Call Trace:
[   39.863704][  T755]  <TASK>
[   39.863778][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.863913][  T755]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   39.864039][  T755]  notifier_call_chain (kernel/notifier.c:85)
[   39.864168][  T755]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   39.864295][  T755]  ? default_device_exit_batch (net/core/dev.c:13091)
[   39.864454][  T755]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   39.864614][  T755]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.864742][  T755]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.864882][  T755]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   39.865012][  T755]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.865139][  T755]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.865297][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.865423][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.865550][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.865677][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.865809][  T755]  ? __kernel_text_address (kernel/extable.c:79)
[   39.865941][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.866068][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.866193][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.866325][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.866451][  T755]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.866579][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.866706][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.866839][  T755]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.866972][  T755]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.867098][  T755]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.867226][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.867355][  T755]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.867481][  T755]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.867613][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.867748][  T755]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.867882][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.868008][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.868132][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.868258][  T755]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.868383][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.868515][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.868641][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.868773][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.868905][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.869033][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.869160][  T755]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.869286][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.869414][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.869544][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.869673][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.869805][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.869939][  T755]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.870065][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.870192][  T755]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.870323][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.870449][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.870582][  T755]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.870710][  T755]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.870844][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.870976][  T755]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.871103][  T755]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.871231][  T755]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.871359][  T755]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.871484][  T755]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.871612][  T755]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.871775][  T755]  ? move_addr_to_kernel (net/socket.c:258)
[   39.871913][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.872041][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.872171][  T755]  ___sys_sendmsg (net/socket.c:2752)
[   39.872297][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.872454][  T755]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.872594][  T755]  __sys_sendmsg (net/socket.c:2784)
[   39.872723][  T755]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.872856][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.873022][  T755]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.873150][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.873277][  T755]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.873403][  T755]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.873532][  T755]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.873659][  T755]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.873820][  T755] RIP: 0033:0x7f06a3f2608e
[   39.873959][  T755] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.874412][  T755] RSP: 002b:00007ffff44ea730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.874606][  T755] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f06a3f2608e
[   39.874800][  T755] RDX: 0000000000000000 RSI: 00007ffff44ea7e0 RDI: 0000000000000005
[   39.874998][  T755] RBP: 00007ffff44ea740 R08: 0000000000000000 R09: 0000000000000000
[   39.875188][  T755] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   39.875380][  T755] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff44eaeb0
| [   39.877534][  T755] ------------[ cut here ]------------
| [   39.877664][  T755] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/755
| [   39.877897][  T755] Modules linked in:
| [   39.878251][  T755] Tainted: [W]=WARN
[   39.878348][  T755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.878512][  T755] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.878680][  T755] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.879145][  T755] RSP: 0018:ffa0000002307020 EFLAGS: 00010286
[   39.879306][  T755] RAX: 00000000ffffffa6 RBX: ff1100000ee50040 RCX: 1ff4000000460dca
[   39.879496][  T755] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee500fc
[   39.879690][  T755] RBP: ff110000126c9000 R08: 1fe2200001dca021 R09: ff11000012565158
[   39.879896][  T755] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   39.880088][  T755] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.880280][  T755] FS:  00007f06a3cec840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   39.880505][  T755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.880670][  T755] CR2: 00007f83dfd3e574 CR3: 000000000e788004 CR4: 0000000000771ef0
[   39.880874][  T755] PKRU: 55555554
[   39.880970][  T755] Call Trace:
[   39.881066][  T755]  <TASK>
[   39.881133][  T755]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.881263][  T755]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.881362][  T755]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.881490][  T755]  __dev_notify_flags (net/core/dev.c:9787)
[   39.881625][  T755]  ? netif_change_name (net/core/dev.c:1495)
[   39.881759][  T755]  ? __dev_change_flags (net/core/dev.c:9752)
[   39.881894][  T755]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   39.882025][  T755]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   39.882184][  T755]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.882315][  T755]  netif_change_flags (net/core/dev.c:9820)
[   39.882447][  T755]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   39.882582][  T755]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.882713][  T755]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.882881][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.883013][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.883141][  T755]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.883270][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.883400][  T755]  ? __kernel_text_address (kernel/extable.c:79)
[   39.883533][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.883663][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.883797][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.883931][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.884060][  T755]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.884187][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.884317][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.884444][  T755]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.884577][  T755]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.884705][  T755]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.884839][  T755]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.884974][  T755]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.885101][  T755]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.885231][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.885364][  T755]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.885494][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.885626][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.885758][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.885891][  T755]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.886018][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.886147][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.886276][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.886403][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.886534][  T755]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.886665][  T755]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.886800][  T755]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.886933][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.887061][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.887187][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.887319][  T755]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.887446][  T755]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.887577][  T755]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.887705][  T755]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.887840][  T755]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.887977][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.888104][  T755]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.888233][  T755]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.888363][  T755]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.888492][  T755]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.888624][  T755]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.888758][  T755]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.888893][  T755]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.889022][  T755]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.889150][  T755]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.889279][  T755]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.889437][  T755]  ? move_addr_to_kernel (net/socket.c:258)
[   39.889569][  T755]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.889696][  T755]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.889831][  T755]  ___sys_sendmsg (net/socket.c:2752)
[   39.889968][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.890127][  T755]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.890269][  T755]  __sys_sendmsg (net/socket.c:2784)
[   39.890398][  T755]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.890529][  T755]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.890689][  T755]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.890823][  T755]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.890956][  T755]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.891083][  T755]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.891211][  T755]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.891340][  T755]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.891497][  T755] RIP: 0033:0x7f06a3f2608e
[   39.891634][  T755] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.892099][  T755] RSP: 002b:00007ffff44ea730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.892293][  T755] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f06a3f2608e
[   39.892482][  T755] RDX: 0000000000000000 RSI: 00007ffff44ea7e0 RDI: 0000000000000005
[   39.892676][  T755] RBP: 00007ffff44ea740 R08: 0000000000000000 R09: 0000000000000000
[   39.892876][  T755] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   39.893067][  T755] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff44eaeb0
| [   39.975415][  T758] ------------[ cut here ]------------
| [   39.975565][  T758] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/758
| [   39.975799][  T758] Modules linked in:
| [   39.976172][  T758] Tainted: [W]=WARN
[   39.976270][  T758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.976430][  T758] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.976603][  T758] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.977077][  T758] RSP: 0018:ffa0000002327020 EFLAGS: 00010286
[   39.977239][  T758] RAX: 00000000ffffffa6 RBX: ff1100000f1b7e00 RCX: 1ff4000000464dca
[   39.977433][  T758] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b7ebc
[   39.977630][  T758] RBP: ff1100000e644000 R08: 1fe2200001e36fd9 R09: ff110000106f8b58
[   39.977829][  T758] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   39.978026][  T758] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.978219][  T758] FS:  00007f5ff9e15840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   39.978445][  T758] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.978614][  T758] CR2: 0000000035b15988 CR3: 000000000e700001 CR4: 0000000000771ef0
[   39.978815][  T758] PKRU: 55555554
[   39.978915][  T758] Call Trace:
[   39.979011][  T758]  <TASK>
[   39.979080][  T758]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.979212][  T758]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.979311][  T758]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.979440][  T758]  __dev_notify_flags (net/core/dev.c:9787)
[   39.979575][  T758]  ? netif_change_name (net/core/dev.c:1495)
[   39.979706][  T758]  ? __dev_change_flags (net/core/dev.c:9752)
[   39.979842][  T758]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   39.979975][  T758]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.980106][  T758]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.980238][  T758]  netif_change_flags (net/core/dev.c:9820)
[   39.980369][  T758]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.980500][  T758]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   39.980636][  T758]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.980772][  T758]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.980940][  T758]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.981069][  T758]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.981198][  T758]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.981328][  T758]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.981458][  T758]  ? __kernel_text_address (kernel/extable.c:79)
[   39.981592][  T758]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.981723][  T758]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.981860][  T758]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.981996][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.982128][  T758]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.982257][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.982386][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.982518][  T758]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.982649][  T758]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.982784][  T758]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.982917][  T758]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.983047][  T758]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.983180][  T758]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.983314][  T758]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.983445][  T758]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.983579][  T758]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.983709][  T758]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.983848][  T758]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.983984][  T758]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.984117][  T758]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.984245][  T758]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.984376][  T758]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.984513][  T758]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.984644][  T758]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.984780][  T758]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.984914][  T758]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.985045][  T758]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.985175][  T758]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.985305][  T758]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.985434][  T758]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.985570][  T758]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.985699][  T758]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.985834][  T758]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.985971][  T758]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.986101][  T758]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.986232][  T758]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.986362][  T758]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.986491][  T758]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.986625][  T758]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.986759][  T758]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.986896][  T758]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.987026][  T758]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.987156][  T758]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.987284][  T758]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.987444][  T758]  ? move_addr_to_kernel (net/socket.c:258)
[   39.987578][  T758]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.987707][  T758]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.987843][  T758]  ___sys_sendmsg (net/socket.c:2752)
[   39.987974][  T758]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.988136][  T758]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.988277][  T758]  __sys_sendmsg (net/socket.c:2784)
[   39.988407][  T758]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.988539][  T758]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.988701][  T758]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.988837][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.988972][  T758]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.989103][  T758]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.989233][  T758]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.989363][  T758]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.989526][  T758] RIP: 0033:0x7f5ffa04f08e
[   39.989661][  T758] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.990131][  T758] RSP: 002b:00007ffe3b659160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.990325][  T758] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5ffa04f08e
[   39.990518][  T758] RDX: 0000000000000000 RSI: 00007ffe3b659210 RDI: 0000000000000005
[   39.990711][  T758] RBP: 00007ffe3b659170 R08: 0000000000000000 R09: 0000000000000000
[   39.990916][  T758] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   39.991108][  T758] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3b6598e0
| [   39.993530][   T46] ------------[ cut here ]------------
| [   39.993696][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/46
| [   39.994003][   T46] Modules linked in:
| [   39.994455][   T46] Tainted: [W]=WARN
[   39.994601][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.994805][   T46] Workqueue: events_unbound linkwatch_event
[   39.995023][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.995238][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.995715][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   39.995953][   T46] RAX: 00000000ffffffa6 RBX: ff1100000e614900 RCX: 1ff4000000065f02
[   39.996174][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6149bc
[   39.996396][   T46] RBP: ff1100000e644000 R08: 1fe2200001cc2939 R09: ff110000024a0ba8
[   39.996627][   T46] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   39.996861][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   39.997105][   T46] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   39.997368][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.997570][   T46] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   39.997808][   T46] PKRU: 55555554
[   39.997958][   T46] Call Trace:
[   39.998095][   T46]  <TASK>
[   39.998206][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.998374][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.998543][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.998684][   T46]  netif_state_change (net/core/dev.c:1605)
[   39.998887][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   39.999131][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   39.999297][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   39.999463][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.999641][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   39.999819][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   40.000002][   T46]  process_one_work (kernel/workqueue.c:3314)
[   40.000174][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.000342][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.000518][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.000693][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.000884][   T46]  kthread (kernel/kthread.c:436)
[   40.001024][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.001220][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.001386][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.001565][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.001768][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.001947][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.002113][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.004340][   T46] ------------[ cut here ]------------
| [   40.004467][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   40.004711][   T46] Modules linked in:
| [   40.005717][   T46] Tainted: [W]=WARN
[   40.005815][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.006013][   T46] Workqueue: events_unbound linkwatch_event
[   40.006167][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.006325][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.006758][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   40.006965][   T46] RAX: 00000000ffffffa6 RBX: ff1100000e614040 RCX: 1ff4000000065f02
[   40.007142][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6140fc
[   40.007317][   T46] RBP: ff110000101b1000 R08: 1fe2200001cc2821 R09: ff110000024a0ba8
[   40.007495][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   40.007675][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.007859][   T46] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   40.008116][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.008264][   T46] CR2: 00007f5ff9ee2574 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   40.008441][   T46] PKRU: 55555554
[   40.008534][   T46] Call Trace:
[   40.008623][   T46]  <TASK>
[   40.008684][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.008811][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   40.008978][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.009069][   T46]  netif_state_change (net/core/dev.c:1605)
[   40.009189][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   40.009338][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   40.009457][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   40.009578][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.009702][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   40.009832][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   40.010002][   T46]  process_one_work (kernel/workqueue.c:3314)
[   40.010127][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.010246][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.010369][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.010491][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.010614][   T46]  kthread (kernel/kthread.c:436)
[   40.010703][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.010861][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.011034][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.011153][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.011300][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.011418][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.011540][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.147332][  T763] ------------[ cut here ]------------
| [   40.147482][  T763] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/763
| [   40.147713][  T763] Modules linked in:
| [   40.148089][  T763] Tainted: [W]=WARN
[   40.148188][  T763] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.148349][  T763] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.148520][  T763] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.149267][  T763] RSP: 0018:ffa0000002367020 EFLAGS: 00010286
[   40.149431][  T763] RAX: 00000000ffffffa6 RBX: ff1100000d31b8c0 RCX: 1ff400000046cdca
[   40.149627][  T763] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b97c
[   40.149823][  T763] RBP: ff11000008321000 R08: 1fe2200001a63731 R09: ff110000126dd158
[   40.150105][  T763] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   40.150298][  T763] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   40.150492][  T763] FS:  00007f954ab68840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   40.150722][  T763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.150966][  T763] CR2: 000000002ee4f988 CR3: 000000000e700002 CR4: 0000000000771ef0
[   40.151235][  T763] PKRU: 55555554
[   40.151332][  T763] Call Trace:
[   40.151428][  T763]  <TASK>
[   40.151494][  T763]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.151631][  T763]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.151730][  T763]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   40.151865][  T763]  __dev_notify_flags (net/core/dev.c:9787)
[   40.152081][  T763]  ? netif_change_name (net/core/dev.c:1495)
[   40.152210][  T763]  ? __dev_change_flags (net/core/dev.c:9752)
[   40.152338][  T763]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   40.152466][  T763]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.152600][  T763]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   40.152731][  T763]  netif_change_flags (net/core/dev.c:9820)
[   40.152941][  T763]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.153072][  T763]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   40.153204][  T763]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.153410][  T763]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.153576][  T763]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.153705][  T763]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.153837][  T763]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.154022][  T763]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.154153][  T763]  ? __kernel_text_address (kernel/extable.c:79)
[   40.154284][  T763]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.154414][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.154548][  T763]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.154679][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.154814][  T763]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.154960][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.155090][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.155219][  T763]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.155349][  T763]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   40.155477][  T763]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.155610][  T763]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.155740][  T763]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.155881][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.156014][  T763]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.156144][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.156271][  T763]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.156400][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.156531][  T763]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.156658][  T763]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.156794][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.156927][  T763]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.157055][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.157184][  T763]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.157314][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.157443][  T763]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.157576][  T763]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.157705][  T763]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.157839][  T763]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.157975][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.158105][  T763]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.158234][  T763]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.158363][  T763]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.158493][  T763]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.158630][  T763]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.158763][  T763]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.158901][  T763]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.159033][  T763]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.159163][  T763]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.159295][  T763]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.159425][  T763]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.159557][  T763]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.159688][  T763]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.159822][  T763]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.159957][  T763]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.160117][  T763]  ? move_addr_to_kernel (net/socket.c:258)
[   40.160248][  T763]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.160377][  T763]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.160511][  T763]  ___sys_sendmsg (net/socket.c:2752)
[   40.160640][  T763]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.160805][  T763]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.160953][  T763]  __sys_sendmsg (net/socket.c:2784)
[   40.161084][  T763]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.161213][  T763]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.161374][  T763]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.161503][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.161636][  T763]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.161769][  T763]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.161903][  T763]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.162032][  T763]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.162192][  T763] RIP: 0033:0x7f954ada208e
[   40.162327][  T763] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.162792][  T763] RSP: 002b:00007ffe5b36db60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.162991][  T763] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f954ada208e
[   40.163182][  T763] RDX: 0000000000000000 RSI: 00007ffe5b36dc10 RDI: 0000000000000005
[   40.163374][  T763] RBP: 00007ffe5b36db70 R08: 0000000000000000 R09: 0000000000000000
[   40.163568][  T763] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   40.163768][  T763] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5b36e2e0
| [   40.166140][   T46] ------------[ cut here ]------------
| [   40.166262][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   40.166495][   T46] Modules linked in:
| [   40.167163][   T46] Tainted: [W]=WARN
[   40.167255][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.167402][   T46] Workqueue: events_unbound linkwatch_event
[   40.167560][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.167716][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.168171][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   40.168322][   T46] RAX: 00000000ffffffa6 RBX: ff1100000b962900 RCX: 1ff4000000065f02
[   40.168501][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9629bc
[   40.168692][   T46] RBP: ff110000126c9000 R08: 1fe220000172c539 R09: ff110000024a0ba8
[   40.168890][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   40.169066][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.169245][   T46] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   40.169452][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.169603][   T46] CR2: 000000002ee4f988 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   40.169787][   T46] PKRU: 55555554
[   40.169880][   T46] Call Trace:
[   40.169969][   T46]  <TASK>
[   40.170032][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.170151][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   40.170272][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.170363][   T46]  netif_state_change (net/core/dev.c:1605)
[   40.170484][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   40.170640][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   40.170762][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   40.170886][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.171008][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   40.171128][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   40.171247][   T46]  process_one_work (kernel/workqueue.c:3314)
[   40.171368][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.171486][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.171614][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.171738][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.171863][   T46]  kthread (kernel/kthread.c:436)
[   40.171959][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.172106][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.172225][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.172348][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.172497][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.172621][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.172739][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.197295][  T764] ------------[ cut here ]------------
| [   40.197436][  T764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/764
| [   40.197663][  T764] Modules linked in:
| [   40.198551][  T764] Tainted: [W]=WARN
[   40.198648][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.198815][  T764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.199000][  T764] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.199454][  T764] RSP: 0018:ffa0000002377150 EFLAGS: 00010286
[   40.199615][  T764] RAX: 00000000ffffffa6 RBX: ff1100000b726200 RCX: 1ff400000046edf0
[   40.199808][  T764] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7262bc
[   40.200002][  T764] RBP: ff11000008321000 R08: 1fe22000016e4c59 R09: ff110000126dae58
[   40.200190][  T764] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   40.200381][  T764] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4b8740
[   40.200576][  T764] FS:  00007fed345e4840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   40.200802][  T764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.200967][  T764] CR2: 00000000004eba70 CR3: 00000000104de003 CR4: 0000000000771ef0
[   40.201162][  T764] PKRU: 55555554
[   40.201257][  T764] Call Trace:
[   40.201351][  T764]  <TASK>
[   40.201417][  T764]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.201548][  T764]  ? notifier_call_chain (kernel/notifier.c:85)
[   40.201675][  T764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.201778][  T764]  netif_state_change (net/core/dev.c:1605)
[   40.201911][  T764]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   40.202070][  T764]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   40.202229][  T764]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   40.202357][  T764]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   40.202485][  T764]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.202613][  T764]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.202739][  T764]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   40.202876][  T764]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.203003][  T764]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.203130][  T764]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.203274][  T764]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.203400][  T764]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.203530][  T764]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.203658][  T764]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.203790][  T764]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.203925][  T764]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.204053][  T764]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   40.204179][  T764]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.204305][  T764]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.204431][  T764]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.204560][  T764]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.204689][  T764]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.204820][  T764]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.204953][  T764]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.205081][  T764]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.205208][  T764]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.205339][  T764]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.205466][  T764]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.205599][  T764]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.205729][  T764]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.205862][  T764]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.205995][  T764]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.206125][  T764]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.206253][  T764]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.206382][  T764]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.206513][  T764]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.206642][  T764]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.206805][  T764]  ? move_addr_to_kernel (net/socket.c:258)
[   40.206937][  T764]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.207066][  T764]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.207227][  T764]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.207354][  T764]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.207518][  T764]  ___sys_sendmsg (net/socket.c:2752)
[   40.207647][  T764]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.207781][  T764]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.207921][  T764]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   40.208052][  T764]  ? do_getsockname (net/socket.c:2192)
[   40.208182][  T764]  __sys_sendmsg (net/socket.c:2784)
[   40.208309][  T764]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.208440][  T764]  ? __sys_getsockname (net/socket.c:2210)
[   40.208571][  T764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.208700][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.208832][  T764]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.208966][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.209096][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.209254][  T764] RIP: 0033:0x7fed3481e08e
[   40.209388][  T764] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.209848][  T764] RSP: 002b:00007ffd0a28b6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.210048][  T764] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fed3481e08e
[   40.210238][  T764] RDX: 0000000000000000 RSI: 00007ffd0a28b760 RDI: 0000000000000006
[   40.210428][  T764] RBP: 00007ffd0a28b6c0 R08: 0000000000000000 R09: 0000000000000000
[   40.210623][  T764] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   40.210820][  T764] R13: 00007ffd0a28b810 R14: 00007ffd0a28e84c R15: 0000000000000000
| [   40.371997][  T770] ------------[ cut here ]------------
| [   40.372150][  T770] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/770
| [   40.372385][  T770] Modules linked in:
| [   40.372764][  T770] Tainted: [W]=WARN
[   40.372864][  T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.373036][  T770] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.373207][  T770] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.373683][  T770] RSP: 0018:ffa00000023d71b0 EFLAGS: 00010286
[   40.373855][  T770] RAX: 00000000ffffffa6 RBX: ff1100000bbe3000 RCX: 1ff400000047adfc
[   40.374059][  T770] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe30bc
[   40.374256][  T770] RBP: ff11000009ba4000 R08: 1fe220000177c619 R09: ff1100000fc32e80
[   40.374453][  T770] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   40.374653][  T770] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   40.374859][  T770] FS:  00007f52af195840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   40.375098][  T770] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.375267][  T770] CR2: 00000000004a2860 CR3: 0000000009afb002 CR4: 0000000000771ef0
[   40.375466][  T770] PKRU: 55555554
[   40.375568][  T770] Call Trace:
[   40.375667][  T770]  <TASK>
[   40.375735][  T770]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.375881][  T770]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.375981][  T770]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   40.376114][  T770]  __dev_notify_flags (net/core/dev.c:9787)
[   40.376248][  T770]  ? netif_change_name (net/core/dev.c:1495)
[   40.376382][  T770]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   40.376520][  T770]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   40.376655][  T770]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.376794][  T770]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   40.376935][  T770]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   40.377070][  T770]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   40.377203][  T770]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   40.377335][  T770]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   40.377470][  T770]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   40.377605][  T770]  ? __dev_get_by_name (net/core/dev.c:883)
[   40.377736][  T770]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   40.377886][  T770]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   40.378024][  T770]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.378158][  T770]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.378289][  T770]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.378422][  T770]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.378557][  T770]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.378688][  T770]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.378829][  T770]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.378969][  T770]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.379101][  T770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.379233][  T770]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.379365][  T770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.379497][  T770]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.379637][  T770]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.379773][  T770]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.379910][  T770]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.380042][  T770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.380173][  T770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.380307][  T770]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.380437][  T770]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.380575][  T770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.380707][  T770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.380845][  T770]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.380981][  T770]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.381113][  T770]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.381245][  T770]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.381379][  T770]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.381514][  T770]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.381647][  T770]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.381815][  T770]  ? move_addr_to_kernel (net/socket.c:258)
[   40.381956][  T770]  ___sys_sendmsg (net/socket.c:2752)
[   40.382088][  T770]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.382227][  T770]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.382395][  T770]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   40.382534][  T770]  __sys_sendmsg (net/socket.c:2784)
[   40.382667][  T770]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.382812][  T770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.382948][  T770]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.383081][  T770]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.383213][  T770]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.383345][  T770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.383511][  T770] RIP: 0033:0x7f52af3cf08e
[   40.383650][  T770] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.384124][  T770] RSP: 002b:00007fffd39fffa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.384323][  T770] RAX: ffffffffffffffda RBX: 00007fffd3a00748 RCX: 00007f52af3cf08e
[   40.384520][  T770] RDX: 0000000000000000 RSI: 00007fffd3a00050 RDI: 0000000000000005
[   40.384715][  T770] RBP: 00007fffd39fffb0 R08: 0000000000000000 R09: 0000000000000000
[   40.384920][  T770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   40.385117][  T770] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd3a00720
| [   40.413367][  T771] ------------[ cut here ]------------
| [   40.413511][  T771] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/771
| [   40.413738][  T771] Modules linked in:
| [   40.414104][  T771] Tainted: [W]=WARN
[   40.414201][  T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.414360][  T771] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.414528][  T771] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.414987][  T771] RSP: 0018:ffa00000023e7020 EFLAGS: 00010286
[   40.415145][  T771] RAX: 00000000ffffffa6 RBX: ff1100000d637380 RCX: 1ff400000047cdca
[   40.415334][  T771] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63743c
[   40.415522][  T771] RBP: ff11000009ba4000 R08: 1fe2200001ac6e89 R09: ff11000010270b58
[   40.415712][  T771] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   40.415909][  T771] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   40.416096][  T771] FS:  00007fbec2d33840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   40.416316][  T771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.416474][  T771] CR2: 0000000010e16988 CR3: 00000000124af004 CR4: 0000000000771ef0
[   40.416668][  T771] PKRU: 55555554
[   40.416766][  T771] Call Trace:
[   40.416860][  T771]  <TASK>
[   40.416930][  T771]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.417056][  T771]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.417153][  T771]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   40.417280][  T771]  __dev_notify_flags (net/core/dev.c:9787)
[   40.417407][  T771]  ? netif_change_name (net/core/dev.c:1495)
[   40.417537][  T771]  ? __dev_change_flags (net/core/dev.c:9752)
[   40.417663][  T771]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   40.417796][  T771]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.417928][  T771]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   40.418057][  T771]  netif_change_flags (net/core/dev.c:9820)
[   40.418184][  T771]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.418311][  T771]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   40.418440][  T771]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.418572][  T771]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.418728][  T771]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.418859][  T771]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.418989][  T771]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.419115][  T771]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.419242][  T771]  ? __kernel_text_address (kernel/extable.c:79)
[   40.419368][  T771]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.419497][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.419626][  T771]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.419755][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.419886][  T771]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.420010][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.420135][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.420261][  T771]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.420387][  T771]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   40.420516][  T771]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.420642][  T771]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.420775][  T771]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.420908][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.421037][  T771]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.421164][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.421288][  T771]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.421414][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.421543][  T771]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.421668][  T771]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.421803][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.421933][  T771]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.422057][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.422182][  T771]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.422310][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.422436][  T771]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.422566][  T771]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.422691][  T771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.422820][  T771]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.422953][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.423076][  T771]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.423202][  T771]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.423329][  T771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.423455][  T771]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.423585][  T771]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.423709][  T771]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.423841][  T771]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.423973][  T771]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.424100][  T771]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.424226][  T771]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.424352][  T771]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.424479][  T771]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.424609][  T771]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.424734][  T771]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.424865][  T771]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.425026][  T771]  ? move_addr_to_kernel (net/socket.c:258)
[   40.425152][  T771]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.425277][  T771]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.425403][  T771]  ___sys_sendmsg (net/socket.c:2752)
[   40.425532][  T771]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.425687][  T771]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.425829][  T771]  __sys_sendmsg (net/socket.c:2784)
[   40.425960][  T771]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.426084][  T771]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.426243][  T771]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.426368][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.426495][  T771]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.426623][  T771]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.426754][  T771]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.426882][  T771]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.427037][  T771] RIP: 0033:0x7fbec2f6d08e
[   40.427168][  T771] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.427618][  T771] RSP: 002b:00007fff1d96e810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.427814][  T771] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbec2f6d08e
[   40.428006][  T771] RDX: 0000000000000000 RSI: 00007fff1d96e8c0 RDI: 0000000000000005
[   40.428194][  T771] RBP: 00007fff1d96e820 R08: 0000000000000000 R09: 0000000000000000
[   40.428379][  T771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   40.428569][  T771] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1d96ef90
| [   40.571286][  T776] ------------[ cut here ]------------
| [   40.571440][  T776] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/776
| [   40.571667][  T776] Modules linked in:
| [   40.572036][  T776] Tainted: [W]=WARN
[   40.572132][  T776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.572292][  T776] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.572457][  T776] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.572924][  T776] RSP: 0018:ffa00000024371b0 EFLAGS: 00010286
[   40.573086][  T776] RAX: 00000000ffffffa6 RBX: ff1100000f1b4580 RCX: 1ff4000000486dfc
[   40.573275][  T776] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b463c
[   40.573466][  T776] RBP: ff11000012409000 R08: 1fe2200001e368c9 R09: ff11000009782e80
[   40.573659][  T776] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.573854][  T776] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   40.574051][  T776] FS:  00007ff83a6cf840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   40.574281][  T776] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.574441][  T776] CR2: 00000000004a2860 CR3: 0000000010939003 CR4: 0000000000771ef0
[   40.574637][  T776] PKRU: 55555554
[   40.574734][  T776] Call Trace:
[   40.574838][  T776]  <TASK>
[   40.574909][  T776]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.575039][  T776]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.575136][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.575263][  T776]  __dev_notify_flags (net/core/dev.c:9787)
[   40.575391][  T776]  ? netif_change_name (net/core/dev.c:1495)
[   40.575521][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.575647][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.575780][  T776]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.575911][  T776]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.576038][  T776]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   40.576168][  T776]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   40.576295][  T776]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   40.576422][  T776]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   40.576552][  T776]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   40.576679][  T776]  ? __dev_get_by_name (net/core/dev.c:883)
[   40.576813][  T776]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   40.576952][  T776]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   40.577085][  T776]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.577215][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.577340][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.577466][  T776]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.577597][  T776]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.577725][  T776]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.577863][  T776]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.577997][  T776]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.578125][  T776]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.578253][  T776]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.578380][  T776]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.578512][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.578642][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.578775][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.578911][  T776]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.579039][  T776]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.579167][  T776]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.579300][  T776]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.579428][  T776]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.579561][  T776]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.579689][  T776]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.579824][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.579960][  T776]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.580089][  T776]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.580218][  T776]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.580348][  T776]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.580476][  T776]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.580608][  T776]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.580770][  T776]  ? move_addr_to_kernel (net/socket.c:258)
[   40.580910][  T776]  ___sys_sendmsg (net/socket.c:2752)
[   40.581038][  T776]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.581170][  T776]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.581334][  T776]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   40.581464][  T776]  __sys_sendmsg (net/socket.c:2784)
[   40.581596][  T776]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.581729][  T776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.581871][  T776]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.581999][  T776]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.582127][  T776]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.582256][  T776]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.582418][  T776] RIP: 0033:0x7ff83a90908e
[   40.582554][  T776] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.583020][  T776] RSP: 002b:00007ffc667b87e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.583215][  T776] RAX: ffffffffffffffda RBX: 00007ffc667b8f88 RCX: 00007ff83a90908e
[   40.583407][  T776] RDX: 0000000000000000 RSI: 00007ffc667b8890 RDI: 0000000000000005
[   40.583602][  T776] RBP: 00007ffc667b87f0 R08: 0000000000000000 R09: 0000000000000000
[   40.583797][  T776] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   40.583993][  T776] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc667b8f60
| [   40.607354][  T777] ------------[ cut here ]------------
| [   40.607495][  T777] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/777
| [   40.607723][  T777] Modules linked in:
| [   40.608160][  T777] Tainted: [W]=WARN
[   40.608255][  T777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.608412][  T777] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.608678][  T777] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.609204][  T777] RSP: 0018:ffa0000002447020 EFLAGS: 00010286
[   40.609362][  T777] RAX: 00000000ffffffa6 RBX: ff1100000f1b4900 RCX: 1ff4000000488dca
[   40.609552][  T777] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b49bc
[   40.609739][  T777] RBP: ff11000012409000 R08: 1fe2200001e36939 R09: ff11000009780b58
[   40.610005][  T777] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   40.610193][  T777] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   40.610382][  T777] FS:  00007fb941085840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   40.610606][  T777] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.610770][  T777] CR2: 00000000212ef988 CR3: 0000000010939006 CR4: 0000000000771ef0
[   40.611045][  T777] PKRU: 55555554
[   40.611139][  T777] Call Trace:
[   40.611233][  T777]  <TASK>
[   40.611298][  T777]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.611427][  T777]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.611526][  T777]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   40.611652][  T777]  __dev_notify_flags (net/core/dev.c:9787)
[   40.611785][  T777]  ? netif_change_name (net/core/dev.c:1495)
[   40.611982][  T777]  ? __dev_change_flags (net/core/dev.c:9752)
[   40.612109][  T777]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   40.612234][  T777]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.612360][  T777]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   40.612491][  T777]  netif_change_flags (net/core/dev.c:9820)
[   40.612621][  T777]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.612755][  T777]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   40.612959][  T777]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.613087][  T777]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.613246][  T777]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.613372][  T777]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.613497][  T777]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.613626][  T777]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.613760][  T777]  ? __kernel_text_address (kernel/extable.c:79)
[   40.613897][  T777]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.614025][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.614153][  T777]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.614280][  T777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.614406][  T777]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.614536][  T777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.614661][  T777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.614790][  T777]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.614923][  T777]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   40.615051][  T777]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.615178][  T777]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.615307][  T777]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.615437][  T777]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.615571][  T777]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.615699][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.615831][  T777]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.615961][  T777]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.616087][  T777]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.616213][  T777]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.616341][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.616468][  T777]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.616596][  T777]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.616721][  T777]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.616855][  T777]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.616986][  T777]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.617113][  T777]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.617238][  T777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.617362][  T777]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.617488][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.617613][  T777]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.617739][  T777]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.617873][  T777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.617998][  T777]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.618126][  T777]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.618251][  T777]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.618378][  T777]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.618503][  T777]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.618632][  T777]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.618764][  T777]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.618896][  T777]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.619022][  T777]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.619149][  T777]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.619275][  T777]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.619401][  T777]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.619562][  T777]  ? move_addr_to_kernel (net/socket.c:258)
[   40.619688][  T777]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.619817][  T777]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.619946][  T777]  ___sys_sendmsg (net/socket.c:2752)
[   40.620072][  T777]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.620230][  T777]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.620370][  T777]  __sys_sendmsg (net/socket.c:2784)
[   40.620498][  T777]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.620629][  T777]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.620794][  T777]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.620926][  T777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.621053][  T777]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.621178][  T777]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.621305][  T777]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.621430][  T777]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.621590][  T777] RIP: 0033:0x7fb9412bf08e
[   40.621722][  T777] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.622185][  T777] RSP: 002b:00007fff2e6739b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.622374][  T777] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb9412bf08e
[   40.622567][  T777] RDX: 0000000000000000 RSI: 00007fff2e673a60 RDI: 0000000000000005
[   40.622759][  T777] RBP: 00007fff2e6739c0 R08: 0000000000000000 R09: 0000000000000000
[   40.622957][  T777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   40.623146][  T777] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2e674130
| [   40.757453][  T782] ------------[ cut here ]------------
| [   40.757602][  T782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/782
| [   40.757829][  T782] Modules linked in:
| [   40.758199][  T782] Tainted: [W]=WARN
[   40.758296][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.758454][  T782] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.758622][  T782] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.759088][  T782] RSP: 0018:ffa0000002487060 EFLAGS: 00010286
[   40.759248][  T782] RAX: 00000000ffffffa6 RBX: ff1100000f1b71c0 RCX: 1ff4000000490dd2
[   40.759436][  T782] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b727c
[   40.759628][  T782] RBP: ff110000126c9000 R08: 1fe2200001e36e51 R09: ff11000008fed158
[   40.759821][  T782] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   40.760485][  T782] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   40.760681][  T782] FS:  00007f712eb8e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   40.760913][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.761072][  T782] CR2: 0000000001bfd988 CR3: 0000000010939002 CR4: 0000000000771ef0
[   40.761263][  T782] PKRU: 55555554
[   40.761357][  T782] Call Trace:
[   40.761452][  T782]  <TASK>
[   40.761520][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.761648][  T782]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   40.761781][  T782]  notifier_call_chain (kernel/notifier.c:85)
[   40.761917][  T782]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   40.762044][  T782]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   40.762171][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.762299][  T782]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   40.762426][  T782]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   40.762558][  T782]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   40.762688][  T782]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   40.762819][  T782]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   40.762987][  T782]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.763113][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.763239][  T782]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.763365][  T782]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.763493][  T782]  ? __kernel_text_address (kernel/extable.c:79)
[   40.763624][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.763758][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.763891][  T782]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.764019][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.764147][  T782]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.764272][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.764397][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.764524][  T782]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   40.764652][  T782]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   40.764784][  T782]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   40.764914][  T782]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   40.765042][  T782]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   40.765167][  T782]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.765296][  T782]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   40.765425][  T782]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   40.765556][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.765681][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.765813][  T782]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.765942][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.766066][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.766194][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.766320][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.766447][  T782]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.766578][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.766705][  T782]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   40.766835][  T782]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.766966][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.767091][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.767216][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.767343][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.767469][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.767598][  T782]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.767724][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.767857][  T782]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.767992][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.768116][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.768244][  T782]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.768370][  T782]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.768498][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.768629][  T782]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.768759][  T782]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.768892][  T782]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.769021][  T782]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.769147][  T782]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.769272][  T782]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.769428][  T782]  ? move_addr_to_kernel (net/socket.c:258)
[   40.769558][  T782]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.769684][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.769816][  T782]  ___sys_sendmsg (net/socket.c:2752)
[   40.769945][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.770100][  T782]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.770239][  T782]  __sys_sendmsg (net/socket.c:2784)
[   40.770366][  T782]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.770491][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.770654][  T782]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.770785][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.770915][  T782]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.771040][  T782]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.771167][  T782]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.771293][  T782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.771448][  T782] RIP: 0033:0x7f712edc808e
[   40.771583][  T782] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.772041][  T782] RSP: 002b:00007ffc38586dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.772233][  T782] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f712edc808e
[   40.772421][  T782] RDX: 0000000000000000 RSI: 00007ffc38586e80 RDI: 0000000000000005
[   40.772611][  T782] RBP: 00007ffc38586de0 R08: 0000000000000000 R09: 0000000000000000
[   40.772803][  T782] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd15
[   40.772997][  T782] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc38587550
| [   48.396241][   T12] ------------[ cut here ]------------
| [   48.396413][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   48.396659][   T12] Modules linked in:
| [   48.397130][   T12] Tainted: [W]=WARN
[   48.397221][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.397368][   T12] Workqueue: netns cleanup_net
[   48.397492][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.397649][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.398077][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.398224][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c7cb540 RCX: 1ff4000000018eed
[   48.398398][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7cb5fc
[   48.398619][   T12] RBP: ff11000010394000 R08: 1fe22000018f96c1 R09: ff11000001aed1d0
[   48.398825][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   48.399013][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.399193][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   48.399396][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.399549][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376003 CR4: 0000000000771ef0
[   48.399724][   T12] PKRU: 55555554
[   48.399819][   T12] Call Trace:
[   48.399914][   T12]  <TASK>
[   48.399976][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.400126][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.400278][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.400396][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.400519][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.400637][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.400753][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.400881][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.400997][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.401114][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.401230][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.401348][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.401465][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.401587][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.401701][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.401826][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.401947][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.402067][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.402188][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.402304][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.402424][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.402548][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.402662][   T12]  kthread (kernel/kthread.c:436)
[   48.402751][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.402906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.403024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.403147][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.403290][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.403406][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.403525][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.405876][   T12] ------------[ cut here ]------------
| [   48.406008][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.406238][   T12] Modules linked in:
| [   48.406597][   T12] Tainted: [W]=WARN
[   48.406684][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.406835][   T12] Workqueue: netns cleanup_net
[   48.406966][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.407121][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.407535][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.407679][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f3380 RCX: 1ff4000000018eed
[   48.407859][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f343c
[   48.408039][   T12] RBP: ff110000086a9000 R08: 1fe22000020be689 R09: ff11000001aed1d0
[   48.408210][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.408385][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.408562][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.408765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.408929][   T12] CR2: 000055dfefee0a78 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   48.409103][   T12] PKRU: 55555554
[   48.409189][   T12] Call Trace:
[   48.409279][   T12]  <TASK>
[   48.409340][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.409488][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.409633][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.409749][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.409880][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.409994][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.410114][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.410234][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.410352][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.410467][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.410585][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.410701][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.410826][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.410950][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.411066][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.411184][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.411299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.411417][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.411540][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.411654][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.411778][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.411910][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.412025][   T12]  kthread (kernel/kthread.c:436)
[   48.412114][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.412257][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.412373][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.412489][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.412637][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.412752][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.412881][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.415319][   T12] ------------[ cut here ]------------
| [   48.415435][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.415667][   T12] Modules linked in:
| [   48.416027][   T12] Tainted: [W]=WARN
[   48.416115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.416258][   T12] Workqueue: netns cleanup_net
[   48.416385][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.416536][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.416957][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.417104][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f2580 RCX: 1ff4000000018eed
[   48.417278][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f263c
[   48.417450][   T12] RBP: ff1100000e5f4000 R08: 1fe22000020be4c9 R09: ff11000001aed1d0
[   48.417626][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.417803][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.417986][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.418191][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.418335][   T12] CR2: 000055dfefee0a78 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   48.418513][   T12] PKRU: 55555554
[   48.418598][   T12] Call Trace:
[   48.418685][   T12]  <TASK>
[   48.418745][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.418904][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.419049][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.419165][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.419282][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.419397][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.419518][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.419636][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.419753][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.419880][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.419996][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.420113][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.420231][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.420352][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.420465][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.420586][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.420701][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.420826][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.420951][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.421067][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.421187][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.421307][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.421422][   T12]  kthread (kernel/kthread.c:436)
[   48.421513][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.421658][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.421778][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.421900][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.422043][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.422157][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.422273][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.433171][   T12] ------------[ cut here ]------------
| [   48.433301][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   48.433535][   T12] Modules linked in:
| [   48.433908][   T12] Tainted: [W]=WARN
[   48.433999][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.434144][   T12] Workqueue: netns cleanup_net
[   48.434267][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.434422][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.434841][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.434993][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c17e200 RCX: 1ff4000000018eed
[   48.435171][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c17e2bc
[   48.435345][   T12] RBP: ff1100000fdd1000 R08: 1fe220000182fc59 R09: ff11000001aed1d0
[   48.435518][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   48.435690][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.435874][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   48.436081][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.436225][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.436399][   T12] PKRU: 55555554
[   48.436485][   T12] Call Trace:
[   48.436578][   T12]  <TASK>
[   48.436640][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.436801][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.436951][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.437067][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.437186][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.437306][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.437421][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.437542][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.437662][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.437789][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.437953][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.438072][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.438191][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.438307][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.438428][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.438548][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.438663][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.438785][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.438949][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.439069][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.439191][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.439310][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.439425][   T12]  kthread (kernel/kthread.c:436)
[   48.439516][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.439658][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.439778][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.439904][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.440054][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.440175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.440294][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.442250][   T12] ------------[ cut here ]------------
| [   48.442366][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   48.442593][   T12] Modules linked in:
| [   48.442966][   T12] Tainted: [W]=WARN
[   48.443056][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.443237][   T12] Workqueue: netns cleanup_net
[   48.443359][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.443513][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.443946][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.444091][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c17e580 RCX: 1ff4000000018eed
[   48.444263][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c17e63c
[   48.444432][   T12] RBP: ff11000005821000 R08: 1fe220000182fcc9 R09: ff11000001aed1d0
[   48.444605][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   48.444784][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.444962][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   48.445163][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.445307][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.445481][   T12] PKRU: 55555554
[   48.445570][   T12] Call Trace:
[   48.445655][   T12]  <TASK>
[   48.445715][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.445864][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.446018][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.446134][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.446253][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.446368][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.446487][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.446607][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.446723][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.446842][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.446962][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.447078][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.447195][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.447312][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.447428][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.447547][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.447662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.447785][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.447910][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.448024][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.448149][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.448275][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.448388][   T12]  kthread (kernel/kthread.c:436)
[   48.448476][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.448626][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.448742][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.448863][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.449011][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.449127][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.449241][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.463129][   T12] ------------[ cut here ]------------
| [   48.463258][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   48.463510][   T12] Modules linked in:
| [   48.464102][   T12] Tainted: [W]=WARN
[   48.464195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.464348][   T12] Workqueue: netns cleanup_net
[   48.464474][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.464636][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.465089][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.465242][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c17e740 RCX: 1ff4000000018eaf
[   48.465425][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c17e7fc
[   48.465609][   T12] RBP: ff1100000e644000 R08: 1fe220000182fd01 R09: ff11000001aed1d0
[   48.465801][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   48.465990][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101b1000
[   48.466174][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   48.466389][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.466551][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.466742][   T12] PKRU: 55555554
[   48.466840][   T12] Call Trace:
[   48.466947][   T12]  <TASK>
[   48.467011][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.467136][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.467230][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.467356][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.467478][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.467605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.467727][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.467858][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.468028][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.468183][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.468306][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.468460][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.468585][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.468709][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.468873][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   48.468998][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.469122][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.469245][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.469370][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.469494][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.469621][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.469743][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.469876][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.469999][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.470122][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.470246][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.470368][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.470492][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.470619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.470745][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.470884][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.471006][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.471133][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.471263][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.471385][   T12]  kthread (kernel/kthread.c:436)
[   48.471481][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.471636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.471759][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.471892][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.472050][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.472175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.472298][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.475838][   T12] ------------[ cut here ]------------
| [   48.475971][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   48.476211][   T12] Modules linked in:
| [   48.476586][   T12] Tainted: [W]=WARN
[   48.476680][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.476844][   T12] Workqueue: netns cleanup_net
[   48.476977][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.477135][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.477579][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.477734][   T12] RAX: 00000000ffffffa6 RBX: ff1100001057b540 RCX: 1ff4000000018eaf
[   48.477929][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001057b5fc
[   48.478115][   T12] RBP: ff110000101b1000 R08: 1fe22000020af6c1 R09: ff11000001aed1d0
[   48.478298][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   48.478482][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001003c000
[   48.478671][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   48.478897][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.479053][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.479237][   T12] PKRU: 55555554
[   48.479328][   T12] Call Trace:
[   48.479418][   T12]  <TASK>
[   48.479481][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.479607][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.479730][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.479832][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.479964][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.480087][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.480209][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.480330][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.480453][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.480613][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.480769][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.480970][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.481129][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.481251][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.481373][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.481533][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   48.481660][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.481790][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.481985][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.482109][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.482234][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.482359][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.482484][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.482608][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.482799][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.482977][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.483101][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.483224][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.483348][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.483474][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.483685][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.483816][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.483989][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.484117][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.484244][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.484369][   T12]  kthread (kernel/kthread.c:436)
[   48.484462][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.484620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.484746][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.484925][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.485079][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.485204][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.485329][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.496349][   T12] ------------[ cut here ]------------
| [   48.496484][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.496729][   T12] Modules linked in:
| [   48.497129][   T12] Tainted: [W]=WARN
[   48.497221][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.497372][   T12] Workqueue: netns cleanup_net
[   48.497498][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.497660][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.498110][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.498265][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c714200 RCX: 1ff4000000018eaf
[   48.498451][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7142bc
[   48.498637][   T12] RBP: ff1100001003c000 R08: 1fe22000018e2859 R09: ff11000001aed1d0
[   48.498830][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   48.499019][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   48.499203][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.499415][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.499574][   T12] CR2: 000055f5a4c7d2b8 CR3: 00000000101fb001 CR4: 0000000000771ef0
[   48.499757][   T12] PKRU: 55555554
[   48.499854][   T12] Call Trace:
[   48.500001][   T12]  <TASK>
[   48.500066][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.500189][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.500311][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.500406][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.500534][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.500655][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.500782][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.500956][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.501078][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.501233][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.501387][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.501515][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.501667][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.501797][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.501969][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.502122][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   48.502247][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.502371][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.502496][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.502623][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.502748][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.502926][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.503049][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.503170][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.503293][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.503418][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.503546][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.503668][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.503798][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.503968][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.504092][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.504218][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.504340][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.504468][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.504598][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.504719][   T12]  kthread (kernel/kthread.c:436)
[   48.504815][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.504971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.505093][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.505215][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.505370][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.505492][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.505619][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.507825][   T12] ------------[ cut here ]------------
| [   48.508498][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.508736][   T12] Modules linked in:
| [   48.509104][   T12] Tainted: [W]=WARN
[   48.509194][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.509340][   T12] Workqueue: netns cleanup_net
[   48.509461][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.509619][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.510051][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.510202][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c715380 RCX: 1ff4000000018ed5
[   48.510377][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c71543c
[   48.510555][   T12] RBP: ff1100000e644000 R08: 1fe22000018e2a89 R09: ff11000001aed1d0
[   48.510730][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.510920][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.511096][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.511300][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.511447][   T12] CR2: 000055f5a4c7d2b8 CR3: 00000000101fb001 CR4: 0000000000771ef0
[   48.511627][   T12] PKRU: 55555554
[   48.511714][   T12] Call Trace:
[   48.511809][   T12]  <TASK>
[   48.511880][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.512031][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.512176][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.512294][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.512413][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.512569][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.512688][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.512813][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.512937][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.513056][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.513176][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.513293][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.513412][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.513535][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.513654][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.513777][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.513900][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.514020][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.514138][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.514257][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.514379][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.514495][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.514621][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.514743][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.514865][   T12]  kthread (kernel/kthread.c:436)
[   48.514960][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.515106][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.515225][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.515343][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.515488][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.515609][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.515727][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.518110][   T12] ------------[ cut here ]------------
| [   48.518238][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.518467][   T12] Modules linked in:
| [   48.518836][   T12] Tainted: [W]=WARN
[   48.518933][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.519081][   T12] Workqueue: netns cleanup_net
[   48.519207][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.519359][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.519801][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.519965][   T12] RAX: 00000000ffffffa6 RBX: ff110000125ac040 RCX: 1ff4000000018ed5
[   48.520142][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125ac0fc
[   48.520320][   T12] RBP: ff110000101b1000 R08: 1fe22000024b5821 R09: ff11000001aed1d0
[   48.520496][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.520676][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.520859][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.521151][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.521299][   T12] CR2: 000055f5a4c7d2b8 CR3: 00000000101fb001 CR4: 0000000000771ef0
[   48.521476][   T12] PKRU: 55555554
[   48.521646][   T12] Call Trace:
[   48.521734][   T12]  <TASK>
[   48.521802][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.521958][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.522179][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.522296][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.522415][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.522571][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.522767][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.522896][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.523016][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.523136][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.523330][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.523449][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.523570][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.523688][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.523897][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.524017][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.524134][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.524255][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.524447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.524571][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.524693][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.524814][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.525015][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.525136][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.525253][   T12]  kthread (kernel/kthread.c:436)
[   48.525343][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.525565][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.525683][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.525809][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.526035][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.526154][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.526273][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.529575][   T12] ------------[ cut here ]------------
| [   48.529696][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.529939][   T12] Modules linked in:
| [   48.530298][   T12] Tainted: [W]=WARN
[   48.530463][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.530634][   T12] Workqueue: netns cleanup_net
[   48.530757][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.530924][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.531423][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.531650][   T12] RAX: 00000000ffffffa6 RBX: ff110000125ad1c0 RCX: 1ff4000000018ed5
[   48.531838][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125ad27c
[   48.532019][   T12] RBP: ff1100001003c000 R08: 1fe22000024b5a51 R09: ff11000001aed1d0
[   48.532345][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.532523][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.532703][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.532995][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.533144][   T12] CR2: 000055f5a4c7d2b8 CR3: 00000000101fb001 CR4: 0000000000771ef0
[   48.533398][   T12] PKRU: 55555554
[   48.533486][   T12] Call Trace:
[   48.533576][   T12]  <TASK>
[   48.533638][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.533797][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.534096][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.534217][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.534338][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.534563][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.534691][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.534816][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.534940][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.535133][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.535252][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.535369][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.535487][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.535680][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.535808][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.535936][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.536054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.536174][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.536291][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.536417][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.536541][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.536659][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.536788][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.536916][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.537035][   T12]  kthread (kernel/kthread.c:436)
[   48.537124][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.537273][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.537392][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.537513][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.537663][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.537786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.537910][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.592314][   T12] ------------[ cut here ]------------
| [   48.592442][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.592681][   T12] Modules linked in:
| [   48.593056][   T12] Tainted: [W]=WARN
[   48.593144][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.593290][   T12] Workqueue: netns cleanup_net
[   48.593412][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.593571][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.593999][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.594152][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7263c0 RCX: 1ff4000000018eed
[   48.594331][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72647c
[   48.594506][   T12] RBP: ff11000012639000 R08: 1fe22000016e4c91 R09: ff11000001aed1d0
[   48.594684][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.594862][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.595046][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.595252][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.595399][   T12] CR2: 000055f5a4c7d2b8 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.595581][   T12] PKRU: 55555554
[   48.595669][   T12] Call Trace:
[   48.595756][   T12]  <TASK>
[   48.595822][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.595979][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.596122][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.596238][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.596355][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.596470][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.596592][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.596710][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.596832][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.596954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.597069][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.597187][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.597303][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.597428][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.597549][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.597665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.597786][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.597909][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.598032][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.598147][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.598266][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.598388][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.598502][   T12]  kthread (kernel/kthread.c:436)
[   48.598592][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.598737][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.598859][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.598981][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.599126][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.599243][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.599357][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.601484][   T12] ------------[ cut here ]------------
| [   48.601603][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.601835][   T12] Modules linked in:
| [   48.602202][   T12] Tainted: [W]=WARN
[   48.602293][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.602441][   T12] Workqueue: netns cleanup_net
[   48.602567][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.602720][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.603145][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.603294][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b726900 RCX: 1ff4000000018eed
[   48.603466][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7269bc
[   48.603643][   T12] RBP: ff1100000ff44000 R08: 1fe22000016e4d39 R09: ff11000001aed1d0
[   48.603822][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.604003][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.604177][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.604378][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.604528][   T12] CR2: 000055f5a4c7d2b8 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.604703][   T12] PKRU: 55555554
[   48.604797][   T12] Call Trace:
[   48.604889][   T12]  <TASK>
[   48.604949][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.605098][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.605242][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.605359][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.605477][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.605595][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.605714][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.605838][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.605962][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.606077][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.606193][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.606311][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.606428][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.606552][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.606669][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.606791][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.606910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.607027][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.607147][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.607261][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.607382][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.607512][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.607627][   T12]  kthread (kernel/kthread.c:436)
[   48.607715][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.607865][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.607987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.608102][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.608246][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.608363][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.608484][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.610597][   T12] ------------[ cut here ]------------
| [   48.610713][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.610952][   T12] Modules linked in:
| [   48.611307][   T12] Tainted: [W]=WARN
[   48.611395][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.611546][   T12] Workqueue: netns cleanup_net
[   48.611667][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.611822][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.612241][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.612391][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b726580 RCX: 1ff4000000018eed
[   48.612572][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72663c
[   48.612746][   T12] RBP: ff1100000ef29000 R08: 1fe22000016e4cc9 R09: ff11000001aed1d0
[   48.612928][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.613101][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.613276][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.613478][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.613629][   T12] CR2: 000055f5a4c7d2b8 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.613810][   T12] PKRU: 55555554
[   48.613902][   T12] Call Trace:
[   48.613989][   T12]  <TASK>
[   48.614049][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.614198][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.614343][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.614459][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.614577][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.614692][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.614814][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.614938][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.615057][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.615174][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.615292][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.615412][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.615533][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.615653][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.615768][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.615896][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.616013][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.616132][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.616249][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.616367][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.616489][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.616619][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.616736][   T12]  kthread (kernel/kthread.c:436)
[   48.616830][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.616981][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.617097][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.617213][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.617360][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.617476][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.617596][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.619535][   T12] ------------[ cut here ]------------
| [   48.619650][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.619890][   T12] Modules linked in:
| [   48.620239][   T12] Tainted: [W]=WARN
[   48.620328][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.620474][   T12] Workqueue: netns cleanup_net
[   48.620598][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.620749][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.621174][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.621320][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b726040 RCX: 1ff4000000018eed
[   48.621490][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7260fc
[   48.621669][   T12] RBP: ff1100000a844000 R08: 1fe22000016e4c21 R09: ff11000001aed1d0
[   48.621848][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.622026][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.622201][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.622407][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.622555][   T12] CR2: 000055f5a4c7d2b8 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.622811][   T12] PKRU: 55555554
[   48.622903][   T12] Call Trace:
[   48.622991][   T12]  <TASK>
[   48.623051][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.623199][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.623414][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.623534][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.623649][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.623844][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.623967][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.624084][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.624202][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.624387][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.624504][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.624624][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.624742][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.624942][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.625059][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.625176][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.625293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.625482][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.625605][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.625721][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.625847][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.626043][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.626159][   T12]  kthread (kernel/kthread.c:436)
[   48.626246][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.626390][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.626585][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.626703][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.626855][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.626976][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.627163][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.629560][   T12] ------------[ cut here ]------------
| [   48.629675][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.629910][   T12] Modules linked in:
| [   48.630258][   T12] Tainted: [W]=WARN
[   48.630347][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.630490][   T12] Workqueue: netns cleanup_net
[   48.630690][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.630845][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.631267][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.631414][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f2e40 RCX: 1ff4000000018eed
[   48.631594][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2efc
[   48.631768][   T12] RBP: ff11000009771000 R08: 1fe22000020be5e1 R09: ff11000001aed1d0
[   48.632025][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.632204][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.632380][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.632658][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.632809][   T12] CR2: 000055f5a4c7d2b8 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.633065][   T12] PKRU: 55555554
[   48.633153][   T12] Call Trace:
[   48.633242][   T12]  <TASK>
[   48.633303][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.633452][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.633600][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.633717][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.633841][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.634038][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.634157][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.634276][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.634392][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.634585][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.634705][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.634827][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.634952][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.635069][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.635256][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.635373][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.635487][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.635606][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.635726][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.635849][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.635975][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.636094][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.636210][   T12]  kthread (kernel/kthread.c:436)
[   48.636302][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.636446][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.636566][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.636682][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.636833][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.636955][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.637071][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.651246][   T12] ------------[ cut here ]------------
| [   48.651384][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   48.651632][   T12] Modules linked in:
| [   48.652397][   T12] Tainted: [W]=WARN
[   48.652492][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.652653][   T12] Workqueue: netns cleanup_net
[   48.652787][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.652953][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.653397][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.653553][   T12] RAX: 00000000ffffffa6 RBX: ff1100000909cc80 RCX: 1ff4000000018eaf
[   48.653735][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909cd3c
[   48.653927][   T12] RBP: ff11000008321000 R08: 1fe22000012139a9 R09: ff11000001aed1d0
[   48.654109][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   48.654291][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000126c9000
[   48.654475][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   48.654693][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.654857][   T12] CR2: 00007fe24c786574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   48.655047][   T12] PKRU: 55555554
[   48.655138][   T12] Call Trace:
[   48.655230][   T12]  <TASK>
[   48.655295][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.655419][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.655517][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.655641][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.655764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.655896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.656018][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.656140][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.656293][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.656448][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.656576][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.656728][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.656858][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.656986][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.657138][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   48.657268][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.657395][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.657520][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.657645][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.657776][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.657907][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.658029][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.658149][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.658272][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.658395][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.658521][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.658644][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.658769][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.658900][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.659023][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.659149][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.659272][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.659399][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.659528][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.659651][   T12]  kthread (kernel/kthread.c:436)
[   48.659744][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.659908][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.660031][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.660154][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.660308][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.660437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.660564][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.664084][   T12] ------------[ cut here ]------------
| [   48.664211][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   48.664449][   T12] Modules linked in:
| [   48.664832][   T12] Tainted: [W]=WARN
[   48.664933][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.665087][   T12] Workqueue: netns cleanup_net
[   48.665214][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.665373][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.665817][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.665989][   T12] RAX: 00000000ffffffa6 RBX: ff1100000922bc40 RCX: 1ff4000000018eaf
[   48.666173][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922bcfc
[   48.666357][   T12] RBP: ff110000126c9000 R08: 1fe22000012457a1 R09: ff11000001aed1d0
[   48.666544][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   48.666727][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f161000
[   48.666923][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   48.667139][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.667294][   T12] CR2: 00007fe24c786574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   48.667479][   T12] PKRU: 55555554
[   48.667576][   T12] Call Trace:
[   48.667668][   T12]  <TASK>
[   48.667731][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.667861][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.667992][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.668087][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.668210][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.668332][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.668454][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.668580][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.668701][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.668872][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.669028][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.669151][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.669304][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.669427][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.669550][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.669702][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   48.669835][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.669966][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.670088][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.670214][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.670339][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.670462][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.670588][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.670710][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.670841][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.671019][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.671146][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.671270][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.671393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.671518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.671643][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.671781][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.671953][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.672081][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.672208][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.672331][   T12]  kthread (kernel/kthread.c:436)
[   48.672424][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.672578][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.672704][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.672834][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.673037][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.673207][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.673331][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.677225][   T12] ------------[ cut here ]------------
| [   48.677359][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.677607][   T12] Modules linked in:
| [   48.677998][   T12] Tainted: [W]=WARN
[   48.678090][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.678243][   T12] Workqueue: netns cleanup_net
[   48.678372][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.678535][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.678988][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.679142][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baabc40 RCX: 1ff4000000018eaf
[   48.679323][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baabcfc
[   48.679512][   T12] RBP: ff1100000f161000 R08: 1fe22000017557a1 R09: ff11000001aed1d0
[   48.679694][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   48.679889][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   48.680072][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.680289][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.680442][   T12] CR2: 00007f9bf1881318 CR3: 00000000106f7003 CR4: 0000000000771ef0
[   48.680629][   T12] PKRU: 55555554
[   48.680720][   T12] Call Trace:
[   48.680814][   T12]  <TASK>
[   48.680883][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.681007][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.681144][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.681239][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.681365][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.681488][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.681613][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.681736][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.681871][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.682028][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.682188][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.682312][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.682464][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.682594][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.682726][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.682897][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   48.683024][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.683151][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.683275][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.683399][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.683523][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.683650][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.683777][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.683905][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.684030][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.684153][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.684276][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.684398][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.684523][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.684645][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.684768][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.684904][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.685027][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.685154][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.685281][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.685403][   T12]  kthread (kernel/kthread.c:436)
[   48.685495][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.685650][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.685776][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.685905][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.686057][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.686182][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.686305][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.688500][   T12] ------------[ cut here ]------------
| [   48.688625][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.688862][   T12] Modules linked in:
| [   48.690119][   T12] Tainted: [W]=WARN
[   48.690209][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.690446][   T12] Workqueue: netns cleanup_net
[   48.690574][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.690728][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.691244][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.691393][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9c40 RCX: 1ff4000000018ed5
[   48.691572][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9cfc
[   48.691751][   T12] RBP: ff11000008321000 R08: 1fe22000021373a1 R09: ff11000001aed1d0
[   48.691996][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.692173][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.692433][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.692645][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.692800][   T12] CR2: 00007f9bf1881318 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.693044][   T12] PKRU: 55555554
[   48.693131][   T12] Call Trace:
[   48.693224][   T12]  <TASK>
[   48.693286][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.693441][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.693597][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.693715][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.693837][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.694045][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.694166][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.694284][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.694401][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.694524][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.694645][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.694768][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.694964][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.695084][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.695203][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.695322][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.695445][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.695568][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.695689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.695813][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.696001][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.696119][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.696240][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.696363][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.696486][   T12]  kthread (kernel/kthread.c:436)
[   48.696576][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.696722][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.696844][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.697027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.697174][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.697291][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.697411][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.701243][   T12] ------------[ cut here ]------------
| [   48.701367][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.701602][   T12] Modules linked in:
| [   48.702540][   T12] Tainted: [W]=WARN
[   48.702634][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.702785][   T12] Workqueue: netns cleanup_net
[   48.702955][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.703110][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.703537][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.703685][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe918c0 RCX: 1ff4000000018ed5
[   48.703865][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9197c
[   48.704132][   T12] RBP: ff110000126c9000 R08: 1fe2200001fd2331 R09: ff11000001aed1d0
[   48.704308][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.704483][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.704665][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.704923][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.705076][   T12] CR2: 00007f9bf1881318 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.705258][   T12] PKRU: 55555554
[   48.705346][   T12] Call Trace:
[   48.705434][   T12]  <TASK>
[   48.705496][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.705650][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.705803][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.705969][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.706089][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.706243][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.706363][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.706483][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.706605][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.706723][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.706845][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.707012][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.707129][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.707247][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.707367][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.707486][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.707606][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.707727][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.707853][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.708020][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.708142][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.708266][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.708389][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.708515][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.708635][   T12]  kthread (kernel/kthread.c:436)
[   48.708724][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.708921][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.709039][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.709159][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.709312][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.709434][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.709558][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.712911][   T12] ------------[ cut here ]------------
| [   48.713076][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   48.713355][   T12] Modules linked in:
| [   48.713817][   T12] Tainted: [W]=WARN
[   48.714064][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.714254][   T12] Workqueue: netns cleanup_net
[   48.714423][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.714632][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.715121][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.715315][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe91c40 RCX: 1ff4000000018ed5
[   48.715541][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe91cfc
[   48.715764][   T12] RBP: ff1100000f161000 R08: 1fe2200001fd23a1 R09: ff11000001aed1d0
[   48.716000][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   48.716220][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.716442][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   48.716701][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.716918][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[   48.717141][   T12] PKRU: 55555554
[   48.717274][   T12] Call Trace:
[   48.717408][   T12]  <TASK>
[   48.717518][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.717721][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.717935][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.718102][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.718267][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   48.718462][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.718638][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.718811][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.718993][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.719159][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.719323][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.719488][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.719657][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.719833][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   48.720009][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.720174][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.720337][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.720504][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.720675][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.720848][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.721029][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.721193][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.721365][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.721537][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.721703][   T12]  kthread (kernel/kthread.c:436)
[   48.721849][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.722054][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.722218][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.722385][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.722585][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.722749][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.722937][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.754784][   T12] ------------[ cut here ]------------
| [   48.754971][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   48.755199][   T12] Modules linked in:
| [   48.755559][   T12] Tainted: [W]=WARN
[   48.755648][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.755800][   T12] Workqueue: netns cleanup_net
[   48.755942][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.756095][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.756513][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.756670][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16a3c0 RCX: 1ff4000000018eed
[   48.756848][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a47c
[   48.757026][   T12] RBP: ff11000010099000 R08: 1fe220000142d491 R09: ff11000001aed1d0
[   48.757199][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   48.757374][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.757549][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   48.757751][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.757905][   T12] CR2: 00007f9bf1787574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.758084][   T12] PKRU: 55555554
[   48.758170][   T12] Call Trace:
[   48.758256][   T12]  <TASK>
[   48.758317][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.758466][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.758614][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.758730][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.758852][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.758973][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.759089][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.759205][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.759321][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.759436][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.759558][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.759674][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.759796][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.759920][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.760039][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.760156][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.760276][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.760393][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.760516][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.760642][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.760758][   T12]  kthread (kernel/kthread.c:436)
[   48.760852][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.761001][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.761117][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.761233][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.761377][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.761493][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.761613][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.763810][   T12] ------------[ cut here ]------------
| [   48.763938][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   48.764165][   T12] Modules linked in:
| [   48.764516][   T12] Tainted: [W]=WARN
[   48.764605][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.764748][   T12] Workqueue: netns cleanup_net
[   48.764878][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.765033][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.765448][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.765603][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4a200 RCX: 1ff4000000018eed
[   48.765784][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a2bc
[   48.765963][   T12] RBP: ff1100000ef0c000 R08: 1fe22000003c9459 R09: ff11000001aed1d0
[   48.766138][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   48.766313][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.766487][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   48.766690][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.766839][   T12] CR2: 00007f9bf1787574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.767019][   T12] PKRU: 55555554
[   48.767108][   T12] Call Trace:
[   48.767199][   T12]  <TASK>
[   48.767259][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.767406][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.767553][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.767670][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.767791][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.767909][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.768026][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.768143][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.768260][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.768379][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.768497][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.768617][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.768731][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.768854][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.768976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.769095][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.769214][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.769334][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.769455][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.769579][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.769695][   T12]  kthread (kernel/kthread.c:436)
[   48.769786][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.769936][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.770052][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.770167][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.770311][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.770430][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.770548][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.772714][   T12] ------------[ cut here ]------------
| [   48.772834][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   48.773567][   T12] Modules linked in:
| [   48.773973][   T12] Tainted: [W]=WARN
[   48.774061][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.774301][   T12] Workqueue: netns cleanup_net
[   48.774440][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.774602][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.775085][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.775276][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4a040 RCX: 1ff4000000018eed
[   48.775448][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a0fc
[   48.775623][   T12] RBP: ff1100001061c000 R08: 1fe22000003c9421 R09: ff11000001aed1d0
[   48.775799][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   48.776018][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.776189][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   48.776388][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.776536][   T12] CR2: 00007f9bf1787574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.776709][   T12] PKRU: 55555554
[   48.776801][   T12] Call Trace:
[   48.776932][   T12]  <TASK>
[   48.776993][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.777139][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.777280][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.777395][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.777514][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.777628][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.777745][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.777913][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.778029][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.778147][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.778263][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.778377][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.778491][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.778613][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.778727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.778849][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.779015][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.779129][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.779247][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.779365][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.779480][   T12]  kthread (kernel/kthread.c:436)
[   48.779571][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.779712][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.779833][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.779995][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.780139][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.780254][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.780376][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.782402][   T12] ------------[ cut here ]------------
| [   48.782525][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.782755][   T12] Modules linked in:
| [   48.783123][   T12] Tainted: [W]=WARN
[   48.783210][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.783354][   T12] Workqueue: netns cleanup_net
[   48.783474][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.783628][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.784063][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.784210][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4a3c0 RCX: 1ff4000000018eed
[   48.784386][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4a47c
[   48.784563][   T12] RBP: ff11000010919000 R08: 1fe22000003c9491 R09: ff11000001aed1d0
[   48.784735][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.784925][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.785099][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.785300][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.785446][   T12] CR2: 00007f9bf1881318 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.785624][   T12] PKRU: 55555554
[   48.785711][   T12] Call Trace:
[   48.785803][   T12]  <TASK>
[   48.785863][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.786018][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.786166][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.786283][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.786399][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.786517][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.786633][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.786749][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.786878][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.786994][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.787111][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.787228][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.787344][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.787462][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.787577][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.787700][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.787827][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.787949][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.788068][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.788189][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.788309][   T12]  kthread (kernel/kthread.c:436)
[   48.788396][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.788542][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.788660][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.788781][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.788931][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.789046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.789162][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.791121][   T12] ------------[ cut here ]------------
| [   48.791238][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.791466][   T12] Modules linked in:
| [   48.791833][   T12] Tainted: [W]=WARN
[   48.791928][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.792078][   T12] Workqueue: netns cleanup_net
[   48.792199][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.792349][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.792778][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   48.792932][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4ba80 RCX: 1ff4000000018eed
[   48.793103][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4bb3c
[   48.793277][   T12] RBP: ff110000089e1000 R08: 1fe22000003c9769 R09: ff11000001aed1d0
[   48.793449][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.793623][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.793803][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.794009][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.794158][   T12] CR2: 00007f9bf1881318 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.794337][   T12] PKRU: 55555554
[   48.794422][   T12] Call Trace:
[   48.794509][   T12]  <TASK>
[   48.794571][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.794719][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.794873][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   48.794990][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   48.795111][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.795225][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   48.795342][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.795458][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   48.795577][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.795691][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.795815][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.795938][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.796054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.796170][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.796287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.796408][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.796530][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.796648][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.796769][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.796899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.797016][   T12]  kthread (kernel/kthread.c:436)
[   48.797104][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.797254][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.797373][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.797495][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.797643][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.797760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.797885][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.813863][   T12] ------------[ cut here ]------------
| [   48.814012][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   48.814253][   T12] Modules linked in:
| [   48.814628][   T12] Tainted: [W]=WARN
[   48.814720][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.815340][   T12] Workqueue: netns cleanup_net
[   48.815473][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.815637][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.816129][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.816285][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4b000 RCX: 1ff4000000018eaf
[   48.816469][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4b0bc
[   48.816659][   T12] RBP: ff11000012409000 R08: 1fe22000003c9619 R09: ff11000001aed1d0
[   48.816846][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   48.817079][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ba4000
[   48.817266][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.817478][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.817639][   T12] CR2: 00007f9bf1881318 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   48.817831][   T12] PKRU: 55555554
[   48.817974][   T12] Call Trace:
[   48.818065][   T12]  <TASK>
[   48.818129][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.818254][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.818348][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.818476][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.818602][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.818753][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.818926][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   48.819051][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.819218][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.819373][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   48.819497][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.819625][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.819749][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.819924][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.820049][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.820173][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.820296][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.820418][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.820546][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.820668][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.820800][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.820975][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.821099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.821227][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.821352][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.821475][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.821603][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.821731][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.821861][   T12]  kthread (kernel/kthread.c:436)
[   48.822005][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.822159][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.822281][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.822403][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.822559][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.822680][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.822809][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.824712][   T12] ------------[ cut here ]------------
| [   48.824962][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   48.825245][   T12] Modules linked in:
| [   48.825715][   T12] Tainted: [W]=WARN
[   48.825861][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.826075][   T12] Workqueue: netns cleanup_net
[   48.826247][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.826451][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.826950][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.827151][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4aac0 RCX: 1ff4000000018eaf
[   48.827379][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4ab7c
[   48.827620][   T12] RBP: ff11000009ba4000 R08: 1fe22000003c9571 R09: ff11000001aed1d0
[   48.827849][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   48.828133][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007859000
[   48.828360][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   48.828626][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.828834][   T12] CR2: 000055dfdb5deae8 CR3: 0000000009c29002 CR4: 0000000000771ef0
[   48.829072][   T12] PKRU: 55555554
[   48.829209][   T12] Call Trace:
[   48.829356][   T12]  <TASK>
[   48.829466][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.829646][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.829827][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.829981][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.830152][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.830321][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.830519][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.830689][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   48.830882][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.831084][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.831284][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   48.831453][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.831635][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.831813][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.831997][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.832166][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.832338][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.832509][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.832682][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.832862][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.833046][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.833213][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.833385][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.833559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.833729][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.833923][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.834092][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.834264][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.834437][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.834614][   T12]  kthread (kernel/kthread.c:436)
[   48.834752][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.834973][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.835148][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.835318][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.835521][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.835695][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.835886][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.838126][   T12] ------------[ cut here ]------------
| [   48.838293][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   48.838606][   T12] Modules linked in:
| [   48.839124][   T12] Tainted: [W]=WARN
[   48.839264][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.839494][   T12] Workqueue: netns cleanup_net
[   48.839678][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.839915][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.840410][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   48.840649][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8d1c0 RCX: 1ff4000000018eaf
[   48.841009][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d27c
[   48.841331][   T12] RBP: ff11000007859000 R08: 1fe2200001951a51 R09: ff11000001aed1d0
[   48.841623][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   48.841922][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   48.842208][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   48.842528][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.842788][   T12] CR2: 000055dfdb5deae8 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.843082][   T12] PKRU: 55555554
[   48.843268][   T12] Call Trace:
[   48.843482][   T12]  <TASK>
[   48.843643][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.843882][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.844114][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.844303][   T12]  netif_close_many (net/core/dev.c:1804)
[   48.844532][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   48.844753][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   48.845022][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.845243][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   48.845462][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   48.845732][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.846012][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   48.846228][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.846447][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.846674][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.846916][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.847133][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.847352][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.847577][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.847803][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.848036][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.848255][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.848471][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.848697][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.848987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.849203][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.849375][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.849550][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.849728][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.849930][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.850100][   T12]  kthread (kernel/kthread.c:436)
[   48.850239][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.850436][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.850616][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.850793][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.851011][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.851181][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.851351][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.853917][   T12] ------------[ cut here ]------------
| [   48.854082][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   48.854359][   T12] Modules linked in:
| [   48.854819][   T12] Tainted: [W]=WARN
[   48.854974][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.855166][   T12] Workqueue: netns cleanup_net
[   48.855337][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.855537][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.856024][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.856219][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee50900 RCX: 1ff4000000018ed5
[   48.856438][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee509bc
[   48.856666][   T12] RBP: ff11000012409000 R08: 1fe2200001dca139 R09: ff11000001aed1d0
[   48.856905][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   48.857126][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.857352][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   48.857614][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.857815][   T12] CR2: 000055dfdb5deae8 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.858051][   T12] PKRU: 55555554
[   48.858184][   T12] Call Trace:
[   48.858319][   T12]  <TASK>
[   48.858425][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.858629][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.858832][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   48.859011][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.859180][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.859347][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.859515][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.859682][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.859857][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.860038][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.860201][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.860369][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.860537][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.860705][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.860890][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.861056][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.861222][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.861391][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.861565][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.861735][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.861922][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.862086][   T12]  kthread (kernel/kthread.c:436)
[   48.862222][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.862420][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.862590][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.862755][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.862971][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.863136][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.863300][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.866077][   T12] ------------[ cut here ]------------
| [   48.866242][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   48.866547][   T12] Modules linked in:
| [   48.867475][   T12] Tainted: [W]=WARN
[   48.867664][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.867925][   T12] Workqueue: netns cleanup_net
[   48.868143][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.868391][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.868927][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.869176][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee518c0 RCX: 1ff4000000018ed5
[   48.869442][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5197c
[   48.869715][   T12] RBP: ff11000009ba4000 R08: 1fe2200001dca331 R09: ff11000001aed1d0
[   48.870003][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   48.870271][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.870572][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   48.870892][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.871131][   T12] CR2: 000055dfdb5deae8 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.871398][   T12] PKRU: 55555554
[   48.871578][   T12] Call Trace:
[   48.871793][   T12]  <TASK>
[   48.871960][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.872203][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.872441][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   48.872660][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.872898][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.873112][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.873355][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.873586][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.873853][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.874112][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.874331][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.874545][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.874710][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.874903][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.875074][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.875239][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.875405][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.875585][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.875753][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.875947][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.876116][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.876281][   T12]  kthread (kernel/kthread.c:436)
[   48.876416][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.876619][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.876792][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.876973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.877168][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.877333][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.877498][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.880356][   T12] ------------[ cut here ]------------
| [   48.880520][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   48.880818][   T12] Modules linked in:
| [   48.881685][   T12] Tainted: [W]=WARN
[   48.881893][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.882144][   T12] Workqueue: netns cleanup_net
[   48.882364][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.882620][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.883146][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   48.883388][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee50c80 RCX: 1ff4000000018ed5
[   48.883661][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50d3c
[   48.883950][   T12] RBP: ff11000007859000 R08: 1fe2200001dca1a9 R09: ff11000001aed1d0
[   48.884215][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   48.884479][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   48.884752][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   48.885079][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.885320][   T12] CR2: 000055dfdb5deae8 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   48.885599][   T12] PKRU: 55555554
[   48.885788][   T12] Call Trace:
[   48.885983][   T12]  <TASK>
[   48.886139][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   48.886410][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   48.886712][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   48.887000][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.887267][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   48.887533][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   48.887802][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   48.888067][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   48.888324][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   48.888593][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   48.888850][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   48.889117][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   48.889283][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   48.889449][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   48.889624][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   48.889801][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   48.889981][   T12]  process_one_work (kernel/workqueue.c:3314)
[   48.890153][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   48.890322][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   48.890529][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   48.890700][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   48.890888][   T12]  kthread (kernel/kthread.c:436)
[   48.891026][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.891221][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.891386][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   48.891561][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   48.891756][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   48.891944][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   48.892110][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.951805][  T825] ------------[ cut here ]------------
| [   48.951960][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/825
| [   48.952187][  T825] Modules linked in:
| [   48.952551][  T825] Tainted: [W]=WARN
[   48.952651][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.952818][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.952993][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.953450][  T825] RSP: 0018:ffa0000002637a80 EFLAGS: 00010286
[   48.953615][  T825] RAX: 00000000ffffffa6 RBX: ff110000105f3e00 RCX: 1ff40000004c6f16
[   48.953812][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f3ebc
[   48.954604][  T825] RBP: ff11000010084000 R08: 1fe22000020be7d9 R09: ff1100000ec3d180
[   48.954805][  T825] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.955005][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010084000
[   48.955200][  T825] FS:  00007f349a00e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.955427][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.955595][  T825] CR2: 00007f349a20fc20 CR3: 00000000097d7002 CR4: 0000000000771ef0
[   48.955793][  T825] PKRU: 55555554
[   48.955896][  T825] Call Trace:
[   48.955993][  T825]  <TASK>
[   48.956060][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.956190][  T825]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.956319][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.956418][  T825]  register_netdevice (net/core/dev.c:11488)
[   48.956551][  T825]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   48.956712][  T825]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   48.956850][  T825]  register_netdev (net/core/dev.c:11552)
[   48.956985][  T825]  loopback_net_init (drivers/net/loopback.c:218)
[   48.957116][  T825]  ops_init (net/core/net_namespace.c:137)
[   48.957215][  T825]  setup_net (net/core/net_namespace.c:446)
[   48.957313][  T825]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   48.957441][  T825]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   48.957573][  T825]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   48.957707][  T825]  copy_net_ns (net/core/net_namespace.c:579)
[   48.957843][  T825]  create_new_namespaces (kernel/nsproxy.c:132)
[   48.957980][  T825]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   48.958113][  T825]  ksys_unshare (kernel/fork.c:3243)
[   48.958243][  T825]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.958373][  T825]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   48.958503][  T825]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   48.958637][  T825]  ? __ia32_sys_open (fs/open.c:1374)
[   48.958776][  T825]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   48.958911][  T825]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   48.959041][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.959169][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.959298][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.959427][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.959591][  T825] RIP: 0033:0x7f349a2d0bcb
[   48.959730][  T825] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   48.960208][  T825] RSP: 002b:00007ffe67aefac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   48.960403][  T825] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f349a2d0bcb
[   48.960624][  T825] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   48.960822][  T825] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   48.961020][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe67af1cf0
[   48.961213][  T825] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe67af3847
| [   48.965355][  T825] ------------[ cut here ]------------
| [   48.965488][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/825
| [   48.965717][  T825] Modules linked in:
| [   48.966083][  T825] Tainted: [W]=WARN
[   48.966180][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.966340][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.966509][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.966977][  T825] RSP: 0018:ffa0000002637918 EFLAGS: 00010286
[   48.967139][  T825] RAX: 00000000ffffffa6 RBX: ff1100000a9a7540 RCX: 1ff40000004c6ee9
[   48.967331][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a75fc
[   48.967524][  T825] RBP: ff1100001008c000 R08: 1fe2200001534ec1 R09: ff1100000ec3d180
[   48.967715][  T825] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.967912][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001008c000
[   48.968105][  T825] FS:  00007f349a00e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.968329][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.968489][  T825] CR2: 00007f349a20fc20 CR3: 00000000097d7002 CR4: 0000000000771ef0
[   48.968687][  T825] PKRU: 55555554
[   48.968788][  T825] Call Trace:
[   48.968888][  T825]  <TASK>
[   48.968954][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.969083][  T825]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.969214][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.969312][  T825]  register_netdevice (net/core/dev.c:11488)
[   48.969441][  T825]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   48.969606][  T825]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   48.969734][  T825]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   48.969874][  T825]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   48.970002][  T825]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   48.970132][  T825]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   48.970260][  T825]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   48.970391][  T825]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   48.970523][  T825]  ops_init (net/core/net_namespace.c:137)
[   48.970621][  T825]  setup_net (net/core/net_namespace.c:446)
[   48.970718][  T825]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   48.970849][  T825]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   48.970982][  T825]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   48.971113][  T825]  copy_net_ns (net/core/net_namespace.c:579)
[   48.971242][  T825]  create_new_namespaces (kernel/nsproxy.c:132)
[   48.971372][  T825]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   48.971501][  T825]  ksys_unshare (kernel/fork.c:3243)
[   48.971632][  T825]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.971761][  T825]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   48.971900][  T825]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   48.972030][  T825]  ? __ia32_sys_open (fs/open.c:1374)
[   48.972159][  T825]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   48.972287][  T825]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   48.972415][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.972544][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.972673][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.972809][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.972976][  T825] RIP: 0033:0x7f349a2d0bcb
[   48.973110][  T825] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   48.973566][  T825] RSP: 002b:00007ffe67aefac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   48.973759][  T825] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f349a2d0bcb
[   48.973963][  T825] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   48.974155][  T825] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   48.974346][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe67af1cf0
[   48.974540][  T825] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe67af3847
| [   48.983912][  T825] ------------[ cut here ]------------
| [   48.984049][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/825
| [   48.984274][  T825] Modules linked in:
| [   48.984643][  T825] Tainted: [W]=WARN
[   48.984741][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.984914][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.985084][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.985553][  T825] RSP: 0018:ffa00000026378f8 EFLAGS: 00010286
[   48.985715][  T825] RAX: 00000000ffffffa6 RBX: ff1100000dc278c0 RCX: 1ff40000004c6ee5
[   48.985919][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2797c
[   48.986116][  T825] RBP: ff110000101b4000 R08: 1fe2200001b84f31 R09: ff1100000ec3d180
[   48.986308][  T825] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   48.986503][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101b4000
[   48.986702][  T825] FS:  00007f349a00e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   48.986939][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.987101][  T825] CR2: 00007f349a20fc20 CR3: 00000000097d7002 CR4: 0000000000771ef0
[   48.987299][  T825] PKRU: 55555554
[   48.987398][  T825] Call Trace:
[   48.987497][  T825]  <TASK>
[   48.987569][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   48.987704][  T825]  ? notifier_call_chain (kernel/notifier.c:85)
[   48.987841][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   48.987946][  T825]  register_netdevice (net/core/dev.c:11488)
[   48.988079][  T825]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   48.988243][  T825]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   48.988377][  T825]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   48.988512][  T825]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   48.988644][  T825]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   48.988782][  T825]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   48.988919][  T825]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   48.989051][  T825]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   48.989182][  T825]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.989316][  T825]  vti_init_net (net/ipv4/ip_vti.c:517)
[   48.989447][  T825]  ops_init (net/core/net_namespace.c:137)
[   48.989552][  T825]  setup_net (net/core/net_namespace.c:446)
[   48.989652][  T825]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   48.989787][  T825]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   48.989924][  T825]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   48.990056][  T825]  copy_net_ns (net/core/net_namespace.c:579)
[   48.990190][  T825]  create_new_namespaces (kernel/nsproxy.c:132)
[   48.990322][  T825]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   48.990456][  T825]  ksys_unshare (kernel/fork.c:3243)
[   48.990590][  T825]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   48.990721][  T825]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   48.990855][  T825]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   48.990992][  T825]  ? __ia32_sys_open (fs/open.c:1374)
[   48.991124][  T825]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   48.991254][  T825]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   48.991383][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   48.991516][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   48.991646][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   48.991781][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.991949][  T825] RIP: 0033:0x7f349a2d0bcb
[   48.992084][  T825] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   48.992550][  T825] RSP: 002b:00007ffe67aefac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   48.992748][  T825] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f349a2d0bcb
[   48.992953][  T825] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   48.993153][  T825] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   48.993350][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe67af1cf0
[   48.993549][  T825] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe67af3847
| [   48.997600][  T825] ------------[ cut here ]------------
| [   48.997731][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/825
| [   48.997968][  T825] Modules linked in:
| [   48.998325][  T825] Tainted: [W]=WARN
[   48.998422][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.998586][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   48.998751][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   48.999221][  T825] RSP: 0018:ffa0000002637a78 EFLAGS: 00010286
[   48.999384][  T825] RAX: 00000000ffffffa6 RBX: ff1100000f1b7c40 RCX: 1ff40000004c6f15
[   48.999580][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b7cfc
[   48.999778][  T825] RBP: ff110000126cc000 R08: 1fe2200001e36fa1 R09: ff1100000ec3d180
[   48.999976][  T825] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.000169][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000126cc000
[   49.000364][  T825] FS:  00007f349a00e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   49.000592][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.000755][  T825] CR2: 00007f349a20fc20 CR3: 00000000097d7002 CR4: 0000000000771ef0
[   49.000960][  T825] PKRU: 55555554
[   49.001055][  T825] Call Trace:
[   49.001151][  T825]  <TASK>
[   49.001217][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.001345][  T825]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.001472][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.001574][  T825]  register_netdevice (net/core/dev.c:11488)
[   49.001705][  T825]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.001877][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.002008][  T825]  register_netdev (net/core/dev.c:11552)
[   49.002137][  T825]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   49.002267][  T825]  ops_init (net/core/net_namespace.c:137)
[   49.002366][  T825]  setup_net (net/core/net_namespace.c:446)
[   49.002464][  T825]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.002595][  T825]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.002725][  T825]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.002865][  T825]  copy_net_ns (net/core/net_namespace.c:579)
[   49.003002][  T825]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.003135][  T825]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.003268][  T825]  ksys_unshare (kernel/fork.c:3243)
[   49.003398][  T825]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.003531][  T825]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.003660][  T825]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.003796][  T825]  ? __ia32_sys_open (fs/open.c:1374)
[   49.003934][  T825]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.004064][  T825]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.004194][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.004322][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.004449][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.004581][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.004740][  T825] RIP: 0033:0x7f349a2d0bcb
[   49.004885][  T825] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.005344][  T825] RSP: 002b:00007ffe67aefac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.005543][  T825] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f349a2d0bcb
[   49.005734][  T825] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.005940][  T825] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.006133][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe67af1cf0
[   49.006324][  T825] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe67af3847
| [   49.012041][  T825] ------------[ cut here ]------------
| [   49.012177][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/825
| [   49.012398][  T825] Modules linked in:
| [   49.012761][  T825] Tainted: [W]=WARN
[   49.012864][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.013032][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.013199][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.013664][  T825] RSP: 0018:ffa0000002637a68 EFLAGS: 00010286
[   49.013832][  T825] RAX: 00000000ffffffa6 RBX: ff1100000b962ac0 RCX: 1ff40000004c6f13
[   49.014081][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962b7c
[   49.014272][  T825] RBP: ff1100001240c000 R08: 1fe220000172c571 R09: ff1100000ec3d180
[   49.014463][  T825] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.014659][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001240c000
[   49.014857][  T825] FS:  00007f349a00e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   49.015138][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.015298][  T825] CR2: 00007f349a20fc20 CR3: 00000000097d7002 CR4: 0000000000771ef0
[   49.015493][  T825] PKRU: 55555554
[   49.015593][  T825] Call Trace:
[   49.015688][  T825]  <TASK>
[   49.015754][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.015949][  T825]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.016078][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.016176][  T825]  register_netdevice (net/core/dev.c:11488)
[   49.016307][  T825]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.016470][  T825]  register_netdev (net/core/dev.c:11552)
[   49.016601][  T825]  sit_init_net (net/ipv6/sit.c:1860)
[   49.016733][  T825]  ops_init (net/core/net_namespace.c:137)
[   49.016838][  T825]  setup_net (net/core/net_namespace.c:446)
[   49.016990][  T825]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.017119][  T825]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.017248][  T825]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.017380][  T825]  copy_net_ns (net/core/net_namespace.c:579)
[   49.017512][  T825]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.017642][  T825]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.017777][  T825]  ksys_unshare (kernel/fork.c:3243)
[   49.017962][  T825]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.018090][  T825]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.018219][  T825]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.018348][  T825]  ? __ia32_sys_open (fs/open.c:1374)
[   49.018476][  T825]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.018608][  T825]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.018736][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.018925][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.019053][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.019181][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.019340][  T825] RIP: 0033:0x7f349a2d0bcb
[   49.019472][  T825] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.019997][  T825] RSP: 002b:00007ffe67aefac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.020190][  T825] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f349a2d0bcb
[   49.020382][  T825] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.020577][  T825] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.020767][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe67af1cf0
[   49.021021][  T825] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe67af3847
| [   49.025764][  T825] ------------[ cut here ]------------
| [   49.025959][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/825
| [   49.026230][  T825] Modules linked in:
| [   49.026690][  T825] Tainted: [W]=WARN
[   49.026844][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.027066][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.027283][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.027803][  T825] RSP: 0018:ffa0000002637a78 EFLAGS: 00010286
[   49.028030][  T825] RAX: 00000000ffffffa6 RBX: ff1100000dc27c40 RCX: 1ff40000004c6f15
[   49.028268][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27cfc
[   49.028521][  T825] RBP: ff1100000e6fc000 R08: 1fe2200001b84fa1 R09: ff1100000ec3d180
[   49.028761][  T825] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.029020][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6fc000
[   49.029260][  T825] FS:  00007f349a00e840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.029537][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.029747][  T825] CR2: 000055dfdb5deae8 CR3: 00000000097d7001 CR4: 0000000000771ef0
[   49.030011][  T825] PKRU: 55555554
[   49.030153][  T825] Call Trace:
[   49.030296][  T825]  <TASK>
[   49.030409][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.030592][  T825]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.030769][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.030938][  T825]  register_netdevice (net/core/dev.c:11488)
[   49.031115][  T825]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.031320][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.031499][  T825]  register_netdev (net/core/dev.c:11552)
[   49.031684][  T825]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   49.031883][  T825]  ops_init (net/core/net_namespace.c:137)
[   49.032034][  T825]  setup_net (net/core/net_namespace.c:446)
[   49.032180][  T825]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.032356][  T825]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.032535][  T825]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.032714][  T825]  copy_net_ns (net/core/net_namespace.c:579)
[   49.032913][  T825]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.033094][  T825]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.033272][  T825]  ksys_unshare (kernel/fork.c:3243)
[   49.033448][  T825]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.033628][  T825]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.033812][  T825]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.034002][  T825]  ? __ia32_sys_open (fs/open.c:1374)
[   49.034180][  T825]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.034354][  T825]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.034535][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.034712][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.034911][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.035090][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.035295][  T825] RIP: 0033:0x7f349a2d0bcb
[   49.035477][  T825] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.036007][  T825] RSP: 002b:00007ffe67aefac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.036248][  T825] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f349a2d0bcb
[   49.036485][  T825] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.036727][  T825] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.036988][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe67af1cf0
[   49.037227][  T825] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe67af3847
| [   49.073136][  T826] ------------[ cut here ]------------
| [   49.073283][  T826] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/826
| [   49.073513][  T826] Modules linked in:
| [   49.073886][  T826] Tainted: [W]=WARN
[   49.073983][  T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.074145][  T826] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.074312][  T826] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.074779][  T826] RSP: 0018:ffa0000002647020 EFLAGS: 00010286
[   49.074945][  T826] RAX: 00000000ffffffa6 RBX: ff1100000c0b7700 RCX: 1ff40000004c8dca
[   49.075135][  T826] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0b77bc
[   49.075328][  T826] RBP: ff11000010084000 R08: 1fe2200001816ef9 R09: ff1100000ec3ae58
[   49.075524][  T826] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   49.075715][  T826] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   49.075916][  T826] FS:  00007f92c4206840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   49.076140][  T826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.076303][  T826] CR2: 0000000006831988 CR3: 000000000f0eb005 CR4: 0000000000771ef0
[   49.076496][  T826] PKRU: 55555554
[   49.076597][  T826] Call Trace:
[   49.076693][  T826]  <TASK>
[   49.076759][  T826]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.076901][  T826]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.077000][  T826]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   49.077127][  T826]  __dev_notify_flags (net/core/dev.c:9787)
[   49.077258][  T826]  ? netif_change_name (net/core/dev.c:1495)
[   49.077386][  T826]  ? __dev_change_flags (net/core/dev.c:9752)
[   49.077519][  T826]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   49.077646][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.077780][  T826]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   49.077915][  T826]  netif_change_flags (net/core/dev.c:9820)
[   49.078043][  T826]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   49.078172][  T826]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   49.078302][  T826]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   49.078432][  T826]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   49.078597][  T826]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.078726][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.078860][  T826]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.078994][  T826]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.079124][  T826]  ? __kernel_text_address (kernel/extable.c:79)
[   49.079253][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.079382][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.079515][  T826]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.079645][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.079778][  T826]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.079911][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.080040][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.080168][  T826]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   49.080298][  T826]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   49.080426][  T826]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   49.080556][  T826]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.080686][  T826]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   49.080820][  T826]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   49.080958][  T826]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   49.081089][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.081216][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.081345][  T826]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.081473][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.081604][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.081734][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.081874][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.082004][  T826]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.082134][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.082264][  T826]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.082393][  T826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.082524][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.082652][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.082785][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.082922][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.083051][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.083181][  T826]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.083309][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.083438][  T826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.083574][  T826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.083701][  T826]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.083838][  T826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.083974][  T826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.084103][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.084233][  T826]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.084362][  T826]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.084494][  T826]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.084630][  T826]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.084758][  T826]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.084897][  T826]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.085055][  T826]  ? move_addr_to_kernel (net/socket.c:258)
[   49.085184][  T826]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.085313][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.085442][  T826]  ___sys_sendmsg (net/socket.c:2752)
[   49.085574][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   49.085735][  T826]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.085888][  T826]  __sys_sendmsg (net/socket.c:2784)
[   49.086019][  T826]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.086146][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   49.086307][  T826]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.086434][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.086567][  T826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.086694][  T826]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.086830][  T826]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.086963][  T826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.087123][  T826] RIP: 0033:0x7f92c444008e
[   49.087257][  T826] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.087715][  T826] RSP: 002b:00007ffce58f78c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.087917][  T826] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f92c444008e
[   49.088108][  T826] RDX: 0000000000000000 RSI: 00007ffce58f7970 RDI: 0000000000000005
[   49.088298][  T826] RBP: 00007ffce58f78d0 R08: 0000000000000000 R09: 0000000000000000
[   49.088488][  T826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1d
[   49.088686][  T826] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce58f8040
| [   49.286770][  T834] ------------[ cut here ]------------
| [   49.286978][  T834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/834
| [   49.287251][  T834] Modules linked in:
| [   49.287719][  T834] Tainted: [W]=WARN
[   49.287887][  T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.288100][  T834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.288319][  T834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.288837][  T834] RSP: 0018:ffa00000026c7a80 EFLAGS: 00010286
[   49.289061][  T834] RAX: 00000000ffffffa6 RBX: ff11000010abb380 RCX: 1ff40000004d8f16
[   49.289303][  T834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb43c
[   49.289552][  T834] RBP: ff11000009b1c000 R08: 1fe2200002157689 R09: ff1100001090ae80
[   49.289799][  T834] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.290051][  T834] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b1c000
[   49.290295][  T834] FS:  00007f68c36c7840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.290585][  T834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.290804][  T834] CR2: 00007f68c38d17d0 CR3: 000000000ec84005 CR4: 0000000000771ef0
[   49.291059][  T834] PKRU: 55555554
[   49.291202][  T834] Call Trace:
[   49.291346][  T834]  <TASK>
[   49.291460][  T834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.291647][  T834]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.291836][  T834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.291993][  T834]  register_netdevice (net/core/dev.c:11488)
[   49.292174][  T834]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.292380][  T834]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.292564][  T834]  register_netdev (net/core/dev.c:11552)
[   49.292740][  T834]  loopback_net_init (drivers/net/loopback.c:218)
[   49.292933][  T834]  ops_init (net/core/net_namespace.c:137)
[   49.293079][  T834]  setup_net (net/core/net_namespace.c:446)
[   49.293225][  T834]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.293398][  T834]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.293586][  T834]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.293764][  T834]  copy_net_ns (net/core/net_namespace.c:579)
[   49.293963][  T834]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.294144][  T834]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.294322][  T834]  ksys_unshare (kernel/fork.c:3243)
[   49.294497][  T834]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.294681][  T834]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.294882][  T834]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.295063][  T834]  ? __ia32_sys_open (fs/open.c:1374)
[   49.295243][  T834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.295416][  T834]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.295598][  T834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.295782][  T834]  ? irq_exit_rcu (kernel/softirq.c:754)
[   49.295972][  T834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.296179][  T834] RIP: 0033:0x7f68c3989bcb
[   49.296362][  T834] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.296892][  T834] RSP: 002b:00007ffeced8ade8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.297132][  T834] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68c3989bcb
[   49.297370][  T834] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.297618][  T834] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.297879][  T834] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeced8d010
[   49.298115][  T834] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeced8d847
| [   49.302357][  T834] ------------[ cut here ]------------
| [   49.302531][  T834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/834
| [   49.302805][  T834] Modules linked in:
| [   49.303950][  T834] Tainted: [W]=WARN
[   49.304160][  T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.304436][  T834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.304654][  T834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.305174][  T834] RSP: 0018:ffa00000026c7918 EFLAGS: 00010286
[   49.305382][  T834] RAX: 00000000ffffffa6 RBX: ff1100000bbe2c80 RCX: 1ff40000004d8ee9
[   49.305627][  T834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe2d3c
[   49.305885][  T834] RBP: ff1100000fd9c000 R08: 1fe220000177c5a9 R09: ff1100001090ae80
[   49.306121][  T834] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.306358][  T834] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd9c000
[   49.306607][  T834] FS:  00007f68c36c7840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.306896][  T834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.307101][  T834] CR2: 00007f68c38d17d0 CR3: 000000000ec84005 CR4: 0000000000771ef0
[   49.307339][  T834] PKRU: 55555554
[   49.307481][  T834] Call Trace:
[   49.307628][  T834]  <TASK>
[   49.307742][  T834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.307941][  T834]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.308117][  T834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.308261][  T834]  register_netdevice (net/core/dev.c:11488)
[   49.308437][  T834]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.308650][  T834]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.308839][  T834]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   49.309033][  T834]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   49.309210][  T834]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   49.309387][  T834]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   49.309578][  T834]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   49.309756][  T834]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   49.309952][  T834]  ops_init (net/core/net_namespace.c:137)
[   49.310098][  T834]  setup_net (net/core/net_namespace.c:446)
[   49.310242][  T834]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.310416][  T834]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.310598][  T834]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.310783][  T834]  copy_net_ns (net/core/net_namespace.c:579)
[   49.310976][  T834]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.311155][  T834]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.311331][  T834]  ksys_unshare (kernel/fork.c:3243)
[   49.311509][  T834]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.311689][  T834]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.311886][  T834]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.312066][  T834]  ? __ia32_sys_open (fs/open.c:1374)
[   49.312242][  T834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.312415][  T834]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.312596][  T834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.312771][  T834]  ? irq_exit_rcu (kernel/softirq.c:754)
[   49.312972][  T834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.313177][  T834] RIP: 0033:0x7f68c3989bcb
[   49.313356][  T834] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.313884][  T834] RSP: 002b:00007ffeced8ade8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.314126][  T834] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68c3989bcb
[   49.314362][  T834] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.314607][  T834] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.314851][  T834] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeced8d010
[   49.315102][  T834] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeced8d847
| [   49.320671][  T834] ------------[ cut here ]------------
| [   49.320852][  T834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/834
| [   49.321137][  T834] Modules linked in:
| [   49.321612][  T834] Tainted: [W]=WARN
[   49.321758][  T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.321992][  T834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.322213][  T834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.322728][  T834] RSP: 0018:ffa00000026c78f8 EFLAGS: 00010286
[   49.323032][  T834] RAX: 00000000ffffffa6 RBX: ff1100000d6363c0 RCX: 1ff40000004d8ee5
[   49.323335][  T834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63647c
[   49.323637][  T834] RBP: ff11000001dd4000 R08: 1fe2200001ac6c91 R09: ff1100001090ae80
[   49.323951][  T834] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.324244][  T834] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd4000
[   49.324552][  T834] FS:  00007f68c36c7840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.324898][  T834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.325162][  T834] CR2: 00007f68c38d17d0 CR3: 000000000ec84005 CR4: 0000000000771ef0
[   49.325458][  T834] PKRU: 55555554
[   49.325661][  T834] Call Trace:
[   49.325925][  T834]  <TASK>
[   49.326093][  T834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.326328][  T834]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.326567][  T834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.326767][  T834]  register_netdevice (net/core/dev.c:11488)
[   49.327020][  T834]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.327280][  T834]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.327512][  T834]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   49.327751][  T834]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   49.328003][  T834]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   49.328235][  T834]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   49.328465][  T834]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   49.328706][  T834]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   49.328952][  T834]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   49.329186][  T834]  vti_init_net (net/ipv4/ip_vti.c:517)
[   49.329417][  T834]  ops_init (net/core/net_namespace.c:137)
[   49.329628][  T834]  setup_net (net/core/net_namespace.c:446)
[   49.329837][  T834]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.330076][  T834]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.330307][  T834]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.330547][  T834]  copy_net_ns (net/core/net_namespace.c:579)
[   49.330789][  T834]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.331039][  T834]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.331267][  T834]  ksys_unshare (kernel/fork.c:3243)
[   49.331443][  T834]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.331624][  T834]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.331811][  T834]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.332004][  T834]  ? __ia32_sys_open (fs/open.c:1374)
[   49.332208][  T834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.332384][  T834]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.332566][  T834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.332748][  T834]  ? irq_exit_rcu (kernel/softirq.c:754)
[   49.332950][  T834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.333158][  T834] RIP: 0033:0x7f68c3989bcb
[   49.333339][  T834] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.333878][  T834] RSP: 002b:00007ffeced8ade8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.334123][  T834] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68c3989bcb
[   49.334365][  T834] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.334616][  T834] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.334883][  T834] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeced8d010
[   49.335123][  T834] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeced8d847
| [   49.346232][  T834] ------------[ cut here ]------------
| [   49.346410][  T834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/834
| [   49.346687][  T834] Modules linked in:
| [   49.347179][  T834] Tainted: [W]=WARN
[   49.347324][  T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.347534][  T834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.347755][  T834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.348279][  T834] RSP: 0018:ffa00000026c7a78 EFLAGS: 00010286
[   49.348490][  T834] RAX: 00000000ffffffa6 RBX: ff1100000f1b6040 RCX: 1ff40000004d8f15
[   49.348738][  T834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b60fc
[   49.348996][  T834] RBP: ff110000124bc000 R08: 1fe2200001e36c21 R09: ff1100001090ae80
[   49.349235][  T834] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.349476][  T834] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124bc000
[   49.349722][  T834] FS:  00007f68c36c7840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.350018][  T834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.350225][  T834] CR2: 00007f68c38d17d0 CR3: 000000000ec84005 CR4: 0000000000771ef0
[   49.350467][  T834] PKRU: 55555554
[   49.350619][  T834] Call Trace:
[   49.350763][  T834]  <TASK>
[   49.350896][  T834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.351077][  T834]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.351254][  T834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.351400][  T834]  register_netdevice (net/core/dev.c:11488)
[   49.351588][  T834]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.351805][  T834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.352000][  T834]  register_netdev (net/core/dev.c:11552)
[   49.352178][  T834]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   49.352359][  T834]  ops_init (net/core/net_namespace.c:137)
[   49.352505][  T834]  setup_net (net/core/net_namespace.c:446)
[   49.352659][  T834]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.352854][  T834]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.353045][  T834]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.353225][  T834]  copy_net_ns (net/core/net_namespace.c:579)
[   49.353404][  T834]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.353594][  T834]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.353780][  T834]  ksys_unshare (kernel/fork.c:3243)
[   49.353970][  T834]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.354146][  T834]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.354321][  T834]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.354497][  T834]  ? __ia32_sys_open (fs/open.c:1374)
[   49.354682][  T834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.354883][  T834]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.355058][  T834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.355236][  T834]  ? irq_exit_rcu (kernel/softirq.c:754)
[   49.355412][  T834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.355625][  T834] RIP: 0033:0x7f68c3989bcb
[   49.355814][  T834] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.356336][  T834] RSP: 002b:00007ffeced8ade8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.356586][  T834] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68c3989bcb
[   49.356835][  T834] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.357083][  T834] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.357324][  T834] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeced8d010
[   49.357571][  T834] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeced8d847
| [   49.362076][  T834] ------------[ cut here ]------------
| [   49.362251][  T834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/834
| [   49.362523][  T834] Modules linked in:
| [   49.363004][  T834] Tainted: [W]=WARN
[   49.363148][  T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.363355][  T834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.363579][  T834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.364109][  T834] RSP: 0018:ffa00000026c7a68 EFLAGS: 00010286
[   49.364320][  T834] RAX: 00000000ffffffa6 RBX: ff1100000bbe3e00 RCX: 1ff40000004d8f13
[   49.364567][  T834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe3ebc
[   49.364815][  T834] RBP: ff110000125b4000 R08: 1fe220000177c7d9 R09: ff1100001090ae80
[   49.365068][  T834] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.365312][  T834] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000125b4000
[   49.365562][  T834] FS:  00007f68c36c7840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.365844][  T834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.366067][  T834] CR2: 00007f68c38d17d0 CR3: 000000000ec84005 CR4: 0000000000771ef0
[   49.366312][  T834] PKRU: 55555554
[   49.366456][  T834] Call Trace:
[   49.366607][  T834]  <TASK>
[   49.366720][  T834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.366919][  T834]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.367098][  T834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.367244][  T834]  register_netdevice (net/core/dev.c:11488)
[   49.367421][  T834]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.367643][  T834]  register_netdev (net/core/dev.c:11552)
[   49.367824][  T834]  sit_init_net (net/ipv6/sit.c:1860)
[   49.368014][  T834]  ops_init (net/core/net_namespace.c:137)
[   49.368162][  T834]  setup_net (net/core/net_namespace.c:446)
[   49.368307][  T834]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.368480][  T834]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.368660][  T834]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.368853][  T834]  copy_net_ns (net/core/net_namespace.c:579)
[   49.369044][  T834]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.369222][  T834]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.369397][  T834]  ksys_unshare (kernel/fork.c:3243)
[   49.369582][  T834]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.369759][  T834]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.369958][  T834]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.370138][  T834]  ? __ia32_sys_open (fs/open.c:1374)
[   49.370318][  T834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.370492][  T834]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.370676][  T834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.370882][  T834]  ? irq_exit_rcu (kernel/softirq.c:754)
[   49.371065][  T834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.371274][  T834] RIP: 0033:0x7f68c3989bcb
[   49.371454][  T834] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.371991][  T834] RSP: 002b:00007ffeced8ade8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.372232][  T834] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68c3989bcb
[   49.372471][  T834] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.372718][  T834] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.372981][  T834] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeced8d010
[   49.373221][  T834] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeced8d847
| [   49.377990][  T834] ------------[ cut here ]------------
| [   49.378166][  T834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/834
| [   49.378435][  T834] Modules linked in:
| [   49.378920][  T834] Tainted: [W]=WARN
[   49.379066][  T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.379275][  T834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.379491][  T834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.380025][  T834] RSP: 0018:ffa00000026c7a78 EFLAGS: 00010286
[   49.380238][  T834] RAX: 00000000ffffffa6 RBX: ff1100000d52fe00 RCX: 1ff40000004d8f15
[   49.380479][  T834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52febc
[   49.380723][  T834] RBP: ff11000005a24000 R08: 1fe2200001aa5fd9 R09: ff1100001090ae80
[   49.380984][  T834] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.381226][  T834] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005a24000
[   49.381468][  T834] FS:  00007f68c36c7840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.381750][  T834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.381986][  T834] CR2: 00007f68c38d17d0 CR3: 000000000ec84005 CR4: 0000000000771ef0
[   49.382230][  T834] PKRU: 55555554
[   49.382373][  T834] Call Trace:
[   49.382519][  T834]  <TASK>
[   49.382635][  T834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.382820][  T834]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.383012][  T834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.383161][  T834]  register_netdevice (net/core/dev.c:11488)
[   49.383343][  T834]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.383556][  T834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.383738][  T834]  register_netdev (net/core/dev.c:11552)
[   49.383932][  T834]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   49.384110][  T834]  ops_init (net/core/net_namespace.c:137)
[   49.384257][  T834]  setup_net (net/core/net_namespace.c:446)
[   49.384403][  T834]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.384590][  T834]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.384769][  T834]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.384970][  T834]  copy_net_ns (net/core/net_namespace.c:579)
[   49.385149][  T834]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.385328][  T834]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.385508][  T834]  ksys_unshare (kernel/fork.c:3243)
[   49.385692][  T834]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.385892][  T834]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.386068][  T834]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.386246][  T834]  ? __ia32_sys_open (fs/open.c:1374)
[   49.386424][  T834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.386608][  T834]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.386791][  T834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.386983][  T834]  ? irq_exit_rcu (kernel/softirq.c:754)
[   49.387162][  T834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.387367][  T834] RIP: 0033:0x7f68c3989bcb
[   49.387553][  T834] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.388078][  T834] RSP: 002b:00007ffeced8ade8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.388324][  T834] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68c3989bcb
[   49.388568][  T834] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.388817][  T834] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.389069][  T834] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeced8d010
[   49.389313][  T834] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeced8d847
| [   49.420068][  T835] ------------[ cut here ]------------
| [   49.420217][  T835] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/835
| [   49.420441][  T835] Modules linked in:
| [   49.420809][  T835] Tainted: [W]=WARN
[   49.420913][  T835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.421075][  T835] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.421241][  T835] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.421698][  T835] RSP: 0018:ffa00000026d7020 EFLAGS: 00010286
[   49.421865][  T835] RAX: 00000000ffffffa6 RBX: ff1100000e4418c0 RCX: 1ff40000004dadca
[   49.422064][  T835] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44197c
[   49.422254][  T835] RBP: ff11000009b1c000 R08: 1fe2200001c88331 R09: ff1100001090d158
[   49.422445][  T835] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   49.422641][  T835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   49.422841][  T835] FS:  00007fb95dd0a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   49.423074][  T835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.423235][  T835] CR2: 0000000036c00988 CR3: 0000000008e5f005 CR4: 0000000000771ef0
[   49.423430][  T835] PKRU: 55555554
[   49.423530][  T835] Call Trace:
[   49.423626][  T835]  <TASK>
[   49.423694][  T835]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.423832][  T835]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.423935][  T835]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   49.424062][  T835]  __dev_notify_flags (net/core/dev.c:9787)
[   49.424191][  T835]  ? netif_change_name (net/core/dev.c:1495)
[   49.424320][  T835]  ? __dev_change_flags (net/core/dev.c:9752)
[   49.424450][  T835]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   49.424582][  T835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.424709][  T835]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   49.424847][  T835]  netif_change_flags (net/core/dev.c:9820)
[   49.424982][  T835]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   49.425111][  T835]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   49.425241][  T835]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   49.425371][  T835]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   49.425538][  T835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.425667][  T835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.425804][  T835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.425938][  T835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.426067][  T835]  ? __kernel_text_address (kernel/extable.c:79)
[   49.426197][  T835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.426329][  T835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.426457][  T835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.426589][  T835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.426719][  T835]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.426850][  T835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.426984][  T835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.427113][  T835]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   49.427243][  T835]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   49.427375][  T835]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   49.427506][  T835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.427638][  T835]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   49.427770][  T835]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   49.427910][  T835]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   49.428041][  T835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.428168][  T835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.428297][  T835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.428428][  T835]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.428561][  T835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.428692][  T835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.428823][  T835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.428955][  T835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.429083][  T835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.429212][  T835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.429340][  T835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.429472][  T835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.429604][  T835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.429733][  T835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.429875][  T835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.430002][  T835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.430131][  T835]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.430262][  T835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.430391][  T835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.430527][  T835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.430655][  T835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.430788][  T835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.430924][  T835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.431054][  T835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.431184][  T835]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.431315][  T835]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.431446][  T835]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.431579][  T835]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.431708][  T835]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.431843][  T835]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.432006][  T835]  ? move_addr_to_kernel (net/socket.c:258)
[   49.432136][  T835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.432266][  T835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.432397][  T835]  ___sys_sendmsg (net/socket.c:2752)
[   49.432529][  T835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   49.432688][  T835]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.432832][  T835]  __sys_sendmsg (net/socket.c:2784)
[   49.432969][  T835]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.433096][  T835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   49.433258][  T835]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.433388][  T835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.433519][  T835]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.433648][  T835]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.433783][  T835]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.433918][  T835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.434078][  T835] RIP: 0033:0x7fb95df4408e
[   49.434213][  T835] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.434678][  T835] RSP: 002b:00007fff64724be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.434881][  T835] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb95df4408e
[   49.435074][  T835] RDX: 0000000000000000 RSI: 00007fff64724c90 RDI: 0000000000000005
[   49.435267][  T835] RBP: 00007fff64724bf0 R08: 0000000000000000 R09: 0000000000000000
[   49.435459][  T835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1d
[   49.435654][  T835] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff64725360
| [   49.622955][  T843] ------------[ cut here ]------------
| [   49.623110][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/843
| [   49.623339][  T843] Modules linked in:
| [   49.623710][  T843] Tainted: [W]=WARN
[   49.623814][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.623983][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.624155][  T843] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.624625][  T843] RSP: 0018:ffa0000002747a80 EFLAGS: 00010286
[   49.624803][  T843] RAX: 00000000ffffffa6 RBX: ff1100000f1b4580 RCX: 1ff40000004e8f16
[   49.625005][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b463c
[   49.625200][  T843] RBP: ff11000007fa9000 R08: 1fe2200001e368c9 R09: ff110000106fae80
[   49.625399][  T843] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.625598][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007fa9000
[   49.625803][  T843] FS:  00007f755ff07840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   49.626042][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.626208][  T843] CR2: 00007f75601117d0 CR3: 0000000008e5f006 CR4: 0000000000771ef0
[   49.626403][  T843] PKRU: 55555554
[   49.626501][  T843] Call Trace:
[   49.626603][  T843]  <TASK>
[   49.626672][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.626809][  T843]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.626946][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.627046][  T843]  register_netdevice (net/core/dev.c:11488)
[   49.627179][  T843]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.627340][  T843]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.627475][  T843]  register_netdev (net/core/dev.c:11552)
[   49.627611][  T843]  loopback_net_init (drivers/net/loopback.c:218)
[   49.627742][  T843]  ops_init (net/core/net_namespace.c:137)
[   49.627847][  T843]  setup_net (net/core/net_namespace.c:446)
[   49.627952][  T843]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.628081][  T843]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.628213][  T843]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.628348][  T843]  copy_net_ns (net/core/net_namespace.c:579)
[   49.628479][  T843]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.628615][  T843]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.628746][  T843]  ksys_unshare (kernel/fork.c:3243)
[   49.629249][  T843]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.629382][  T843]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.629515][  T843]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.629648][  T843]  ? __ia32_sys_open (fs/open.c:1374)
[   49.629786][  T843]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.629922][  T843]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.630051][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.630180][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.630311][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.630441][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.630608][  T843] RIP: 0033:0x7f75601c9bcb
[   49.630744][  T843] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.631219][  T843] RSP: 002b:00007ffc1ccd53c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.631416][  T843] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f75601c9bcb
[   49.631613][  T843] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.631812][  T843] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.632009][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1ccd75f0
[   49.632203][  T843] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1ccd8847
| [   49.636494][  T843] ------------[ cut here ]------------
| [   49.636636][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/843
| [   49.637018][  T843] Modules linked in:
| [   49.637380][  T843] Tainted: [W]=WARN
[   49.637478][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.637646][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.637823][  T843] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.638292][  T843] RSP: 0018:ffa0000002747918 EFLAGS: 00010286
[   49.638457][  T843] RAX: 00000000ffffffa6 RBX: ff1100000ee51c40 RCX: 1ff40000004e8ee9
[   49.638657][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51cfc
[   49.638856][  T843] RBP: ff1100000fe11000 R08: 1fe2200001dca3a1 R09: ff110000106fae80
[   49.639057][  T843] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.639251][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe11000
[   49.639447][  T843] FS:  00007f755ff07840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   49.639679][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.639848][  T843] CR2: 00007f75601117d0 CR3: 0000000008e5f006 CR4: 0000000000771ef0
[   49.640050][  T843] PKRU: 55555554
[   49.640146][  T843] Call Trace:
[   49.640243][  T843]  <TASK>
[   49.640310][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.640440][  T843]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.640575][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.640675][  T843]  register_netdevice (net/core/dev.c:11488)
[   49.640813][  T843]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.640978][  T843]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.641112][  T843]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   49.641244][  T843]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   49.641374][  T843]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   49.641510][  T843]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   49.641641][  T843]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   49.641777][  T843]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   49.641915][  T843]  ops_init (net/core/net_namespace.c:137)
[   49.642014][  T843]  setup_net (net/core/net_namespace.c:446)
[   49.642112][  T843]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.642240][  T843]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.642371][  T843]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.642503][  T843]  copy_net_ns (net/core/net_namespace.c:579)
[   49.642640][  T843]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.642778][  T843]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.642913][  T843]  ksys_unshare (kernel/fork.c:3243)
[   49.643042][  T843]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.643173][  T843]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.643302][  T843]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.643433][  T843]  ? __ia32_sys_open (fs/open.c:1374)
[   49.643570][  T843]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.643701][  T843]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.643836][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.643977][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.644108][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.644239][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.644402][  T843] RIP: 0033:0x7f75601c9bcb
[   49.644542][  T843] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.645014][  T843] RSP: 002b:00007ffc1ccd53c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.645210][  T843] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f75601c9bcb
[   49.645403][  T843] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.645600][  T843] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.645802][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1ccd75f0
[   49.646002][  T843] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1ccd8847
| [   49.649819][  T843] ------------[ cut here ]------------
| [   49.650445][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/843
| [   49.650675][  T843] Modules linked in:
| [   49.651098][  T843] Tainted: [W]=WARN
[   49.651199][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.651366][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.651540][  T843] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.652077][  T843] RSP: 0018:ffa00000027478f8 EFLAGS: 00010286
[   49.652244][  T843] RAX: 00000000ffffffa6 RBX: ff110000109b8900 RCX: 1ff40000004e8ee5
[   49.652437][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b89bc
[   49.652635][  T843] RBP: ff1100000ff41000 R08: 1fe2200002137139 R09: ff110000106fae80
[   49.652835][  T843] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   49.653087][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff41000
[   49.653283][  T843] FS:  00007f755ff07840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   49.653513][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.653678][  T843] CR2: 00007f75601117d0 CR3: 0000000008e5f006 CR4: 0000000000771ef0
[   49.653937][  T843] PKRU: 55555554
[   49.654035][  T843] Call Trace:
[   49.654132][  T843]  <TASK>
[   49.654200][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.654331][  T843]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.654464][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.654569][  T843]  register_netdevice (net/core/dev.c:11488)
[   49.654702][  T843]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.654926][  T843]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.655059][  T843]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   49.655188][  T843]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   49.655317][  T843]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   49.655448][  T843]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   49.655582][  T843]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   49.655715][  T843]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   49.655851][  T843]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   49.656041][  T843]  vti_init_net (net/ipv4/ip_vti.c:517)
[   49.656174][  T843]  ops_init (net/core/net_namespace.c:137)
[   49.656275][  T843]  setup_net (net/core/net_namespace.c:446)
[   49.656373][  T843]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.656503][  T843]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.656637][  T843]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.656770][  T843]  copy_net_ns (net/core/net_namespace.c:579)
[   49.657054][  T843]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.657189][  T843]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.657319][  T843]  ksys_unshare (kernel/fork.c:3243)
[   49.657449][  T843]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.657583][  T843]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.657714][  T843]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.657852][  T843]  ? __ia32_sys_open (fs/open.c:1374)
[   49.658130][  T843]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.658259][  T843]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.658387][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.658520][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.658652][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.658787][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.659092][  T843] RIP: 0033:0x7f75601c9bcb
[   49.659227][  T843] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.659691][  T843] RSP: 002b:00007ffc1ccd53c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.659950][  T843] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f75601c9bcb
[   49.660145][  T843] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.660427][  T843] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.660625][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1ccd75f0
[   49.660826][  T843] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1ccd8847
| [   49.665383][  T843] ------------[ cut here ]------------
| [   49.665534][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/843
| [   49.665763][  T843] Modules linked in:
| [   49.666152][  T843] Tainted: [W]=WARN
[   49.666252][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.666412][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.666584][  T843] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.667055][  T843] RSP: 0018:ffa0000002747a78 EFLAGS: 00010286
[   49.667220][  T843] RAX: 00000000ffffffa6 RBX: ff1100000d31a200 RCX: 1ff40000004e8f15
[   49.667413][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a2bc
[   49.667609][  T843] RBP: ff1100000efbc000 R08: 1fe2200001a63459 R09: ff110000106fae80
[   49.667807][  T843] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   49.668008][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000efbc000
[   49.668203][  T843] FS:  00007f755ff07840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   49.668431][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.668597][  T843] CR2: 000055dfefee0a78 CR3: 0000000008e5f005 CR4: 0000000000771ef0
[   49.668799][  T843] PKRU: 55555554
[   49.668905][  T843] Call Trace:
[   49.669001][  T843]  <TASK>
[   49.669068][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.669199][  T843]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.669329][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.669429][  T843]  register_netdevice (net/core/dev.c:11488)
[   49.669562][  T843]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.669723][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.669861][  T843]  register_netdev (net/core/dev.c:11552)
[   49.669997][  T843]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   49.670127][  T843]  ops_init (net/core/net_namespace.c:137)
[   49.670227][  T843]  setup_net (net/core/net_namespace.c:446)
[   49.670325][  T843]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.670453][  T843]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.670584][  T843]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.670715][  T843]  copy_net_ns (net/core/net_namespace.c:579)
[   49.670852][  T843]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.670990][  T843]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.671120][  T843]  ksys_unshare (kernel/fork.c:3243)
[   49.671251][  T843]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.671379][  T843]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.671512][  T843]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.671642][  T843]  ? __ia32_sys_open (fs/open.c:1374)
[   49.671773][  T843]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.671912][  T843]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.672043][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.672170][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.672299][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.672429][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.672594][  T843] RIP: 0033:0x7f75601c9bcb
[   49.672729][  T843] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.673203][  T843] RSP: 002b:00007ffc1ccd53c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.673397][  T843] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f75601c9bcb
[   49.673594][  T843] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.673789][  T843] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.673987][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1ccd75f0
[   49.674180][  T843] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1ccd8847
| [   49.684256][  T843] ------------[ cut here ]------------
| [   49.684392][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/843
| [   49.684617][  T843] Modules linked in:
| [   49.684985][  T843] Tainted: [W]=WARN
[   49.685083][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.685244][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.685409][  T843] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.685880][  T843] RSP: 0018:ffa0000002747a68 EFLAGS: 00010286
[   49.686043][  T843] RAX: 00000000ffffffa6 RBX: ff1100000d31b380 RCX: 1ff40000004e8f13
[   49.686261][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b43c
[   49.686455][  T843] RBP: ff110000124e9000 R08: 1fe2200001a63689 R09: ff110000106fae80
[   49.686648][  T843] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   49.686845][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124e9000
[   49.687040][  T843] FS:  00007f755ff07840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   49.687266][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.687427][  T843] CR2: 000055dfefee0a78 CR3: 0000000008e5f005 CR4: 0000000000771ef0
[   49.687624][  T843] PKRU: 55555554
[   49.687719][  T843] Call Trace:
[   49.687818][  T843]  <TASK>
[   49.687890][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.688018][  T843]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.688148][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.688246][  T843]  register_netdevice (net/core/dev.c:11488)
[   49.688378][  T843]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.688544][  T843]  register_netdev (net/core/dev.c:11552)
[   49.688672][  T843]  sit_init_net (net/ipv6/sit.c:1860)
[   49.688806][  T843]  ops_init (net/core/net_namespace.c:137)
[   49.688936][  T843]  setup_net (net/core/net_namespace.c:446)
[   49.689033][  T843]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.689160][  T843]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.689289][  T843]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.689418][  T843]  copy_net_ns (net/core/net_namespace.c:579)
[   49.689551][  T843]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.689682][  T843]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.689816][  T843]  ksys_unshare (kernel/fork.c:3243)
[   49.689948][  T843]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.690076][  T843]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.690204][  T843]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.690331][  T843]  ? __ia32_sys_open (fs/open.c:1374)
[   49.690460][  T843]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.690591][  T843]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.690718][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.690850][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.690982][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.691110][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.691268][  T843] RIP: 0033:0x7f75601c9bcb
[   49.691400][  T843] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.691864][  T843] RSP: 002b:00007ffc1ccd53c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.692064][  T843] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f75601c9bcb
[   49.692254][  T843] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.692444][  T843] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.692635][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1ccd75f0
[   49.692833][  T843] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1ccd8847
| [   49.697386][  T843] ------------[ cut here ]------------
| [   49.697527][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/843
| [   49.697749][  T843] Modules linked in:
| [   49.698620][  T843] Tainted: [W]=WARN
[   49.698719][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.698940][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.699166][  T843] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.699628][  T843] RSP: 0018:ffa0000002747a78 EFLAGS: 00010286
[   49.699800][  T843] RAX: 00000000ffffffa6 RBX: ff110000104f31c0 RCX: 1ff40000004e8f15
[   49.700052][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f327c
[   49.700246][  T843] RBP: ff11000010471000 R08: 1fe220000209e651 R09: ff110000106fae80
[   49.700441][  T843] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   49.700638][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010471000
[   49.700839][  T843] FS:  00007f755ff07840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   49.701120][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.701282][  T843] CR2: 000055dfefee0a78 CR3: 0000000008e5f005 CR4: 0000000000771ef0
[   49.701477][  T843] PKRU: 55555554
[   49.701577][  T843] Call Trace:
[   49.701673][  T843]  <TASK>
[   49.701740][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.701927][  T843]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.702056][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.702154][  T843]  register_netdevice (net/core/dev.c:11488)
[   49.702284][  T843]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.702444][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.702580][  T843]  register_netdev (net/core/dev.c:11552)
[   49.702709][  T843]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   49.702845][  T843]  ops_init (net/core/net_namespace.c:137)
[   49.702983][  T843]  setup_net (net/core/net_namespace.c:446)
[   49.703081][  T843]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.703208][  T843]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.703337][  T843]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.703467][  T843]  copy_net_ns (net/core/net_namespace.c:579)
[   49.703602][  T843]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.703733][  T843]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.703874][  T843]  ksys_unshare (kernel/fork.c:3243)
[   49.704006][  T843]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.704135][  T843]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.704264][  T843]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.704393][  T843]  ? __ia32_sys_open (fs/open.c:1374)
[   49.704527][  T843]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.704657][  T843]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.704789][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.704923][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.705052][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.705181][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.705341][  T843] RIP: 0033:0x7f75601c9bcb
[   49.705474][  T843] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.705945][  T843] RSP: 002b:00007ffc1ccd53c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   49.706141][  T843] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f75601c9bcb
[   49.706334][  T843] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.706530][  T843] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.706722][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1ccd75f0
[   49.706923][  T843] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1ccd8847
| [   49.733638][  T844] ------------[ cut here ]------------
| [   49.733822][  T844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/844
| [   49.734105][  T844] Modules linked in:
| [   49.734564][  T844] Tainted: [W]=WARN
[   49.734707][  T844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.735257][  T844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.735549][  T844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.736121][  T844] RSP: 0018:ffa0000002757020 EFLAGS: 00010286
[   49.736379][  T844] RAX: 00000000ffffffa6 RBX: ff1100000fe94e40 RCX: 1ff40000004eadca
[   49.736673][  T844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe94efc
[   49.736964][  T844] RBP: ff11000007fa9000 R08: 1fe2200001fd29e1 R09: ff110000106f8b58
[   49.737196][  T844] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   49.737443][  T844] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   49.737690][  T844] FS:  00007f6742eef840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.737979][  T844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.738186][  T844] CR2: 0000000012d68988 CR3: 0000000010637006 CR4: 0000000000771ef0
[   49.738427][  T844] PKRU: 55555554
[   49.738578][  T844] Call Trace:
[   49.738721][  T844]  <TASK>
[   49.738845][  T844]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.739038][  T844]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.739186][  T844]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   49.739360][  T844]  __dev_notify_flags (net/core/dev.c:9787)
[   49.739543][  T844]  ? netif_change_name (net/core/dev.c:1495)
[   49.739724][  T844]  ? __dev_change_flags (net/core/dev.c:9752)
[   49.739919][  T844]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   49.740096][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.740273][  T844]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   49.740450][  T844]  netif_change_flags (net/core/dev.c:9820)
[   49.740634][  T844]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   49.740820][  T844]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   49.741015][  T844]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   49.741191][  T844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   49.741399][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.741584][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.741763][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.741959][  T844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.742143][  T844]  ? __kernel_text_address (kernel/extable.c:79)
[   49.742320][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.742498][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.742679][  T844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.742880][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.743059][  T844]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   49.743235][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.743408][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.743594][  T844]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   49.743770][  T844]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   49.743966][  T844]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   49.744142][  T844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   49.744318][  T844]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   49.744495][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   49.744683][  T844]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   49.744885][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.745065][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.745242][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.745415][  T844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   49.745596][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.745784][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.745972][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.746148][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.746325][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.746503][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   49.746685][  T844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   49.746884][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.747061][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.747238][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.747414][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   49.747595][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   49.747783][  T844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   49.747975][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.748150][  T844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.748328][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.748502][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.748688][  T844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.748888][  T844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.749068][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   49.749244][  T844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   49.749422][  T844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   49.749606][  T844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   49.749792][  T844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   49.749982][  T844]  ? copy_msghdr_from_user (net/socket.c:2635)
[   49.750158][  T844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   49.750364][  T844]  ? move_addr_to_kernel (net/socket.c:258)
[   49.750549][  T844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.750725][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   49.750924][  T844]  ___sys_sendmsg (net/socket.c:2752)
[   49.751103][  T844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   49.751309][  T844]  ? copy_msghdr_from_user (net/socket.c:2603)
[   49.751495][  T844]  __sys_sendmsg (net/socket.c:2784)
[   49.751679][  T844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   49.751882][  T844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   49.752094][  T844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.752271][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   49.752448][  T844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.752629][  T844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.752812][  T844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.753004][  T844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.753215][  T844] RIP: 0033:0x7f674312908e
[   49.753396][  T844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.753919][  T844] RSP: 002b:00007ffffa66aad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.754158][  T844] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f674312908e
[   49.754396][  T844] RDX: 0000000000000000 RSI: 00007ffffa66ab80 RDI: 0000000000000005
[   49.754642][  T844] RBP: 00007ffffa66aae0 R08: 0000000000000000 R09: 0000000000000000
[   49.754899][  T844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1d
[   49.755136][  T844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffa66b250
| [   49.883770][  T848] ------------[ cut here ]------------
| [   49.884262][  T848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/848
| [   49.884530][  T848] Modules linked in:
| [   49.885000][  T848] Tainted: [W]=WARN
[   49.885142][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.885345][  T848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.885562][  T848] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.886075][  T848] RSP: 0018:ffa0000002787a80 EFLAGS: 00010286
[   49.886281][  T848] RAX: 00000000ffffffa6 RBX: ff1100000f1b6900 RCX: 1ff40000004f0f16
[   49.886516][  T848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b69bc
[   49.886752][  T848] RBP: ff11000005011000 R08: 1fe2200001e36d39 R09: ff110000126dae80
[   49.887010][  T848] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.887245][  T848] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005011000
[   49.887482][  T848] FS:  00007f3e257e9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.887758][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.887985][  T848] CR2: 00007f3e259eac20 CR3: 000000000ef87004 CR4: 0000000000771ef0
[   49.888219][  T848] PKRU: 55555554
[   49.888359][  T848] Call Trace:
[   49.888499][  T848]  <TASK>
[   49.888619][  T848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.888802][  T848]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.888991][  T848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.889137][  T848]  register_netdevice (net/core/dev.c:11488)
[   49.889311][  T848]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.889518][  T848]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.889696][  T848]  register_netdev (net/core/dev.c:11552)
[   49.889892][  T848]  loopback_net_init (drivers/net/loopback.c:218)
[   49.890068][  T848]  ops_init (net/core/net_namespace.c:137)
[   49.890211][  T848]  setup_net (net/core/net_namespace.c:446)
[   49.890356][  T848]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.890532][  T848]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.890708][  T848]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.890898][  T848]  copy_net_ns (net/core/net_namespace.c:579)
[   49.891076][  T848]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.891250][  T848]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.891424][  T848]  ksys_unshare (kernel/fork.c:3243)
[   49.891608][  T848]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.891787][  T848]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.891973][  T848]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.892148][  T848]  ? __ia32_sys_open (fs/open.c:1374)
[   49.892323][  T848]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.892493][  T848]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.892673][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.892852][  T848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.893040][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.893215][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.893418][  T848] RIP: 0033:0x7f3e25aabbcb
[   49.893602][  T848] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.894118][  T848] RSP: 002b:00007ffe4eed0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.894352][  T848] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3e25aabbcb
[   49.894592][  T848] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.894835][  T848] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.895077][  T848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eed31a0
[   49.895315][  T848] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eed3847
| [   49.899795][  T848] ------------[ cut here ]------------
| [   49.899975][  T848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/848
| [   49.900237][  T848] Modules linked in:
| [   49.900688][  T848] Tainted: [W]=WARN
[   49.900838][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.901056][  T848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.901264][  T848] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.901758][  T848] RSP: 0018:ffa0000002787918 EFLAGS: 00010286
[   49.901984][  T848] RAX: 00000000ffffffa6 RBX: ff1100000f1b4ac0 RCX: 1ff40000004f0ee9
[   49.902215][  T848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b4b7c
[   49.902446][  T848] RBP: ff1100000ff6c000 R08: 1fe2200001e36971 R09: ff110000126dae80
[   49.902684][  T848] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.902936][  T848] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff6c000
[   49.903175][  T848] FS:  00007f3e257e9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.903438][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.903648][  T848] CR2: 00007f3e259eac20 CR3: 000000000ef87004 CR4: 0000000000771ef0
[   49.903906][  T848] PKRU: 55555554
[   49.904048][  T848] Call Trace:
[   49.904189][  T848]  <TASK>
[   49.904300][  T848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.904471][  T848]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.904650][  T848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.904800][  T848]  register_netdevice (net/core/dev.c:11488)
[   49.904984][  T848]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.905185][  T848]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.905361][  T848]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   49.905535][  T848]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   49.905708][  T848]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   49.905900][  T848]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   49.906071][  T848]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   49.906244][  T848]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   49.906418][  T848]  ops_init (net/core/net_namespace.c:137)
[   49.906568][  T848]  setup_net (net/core/net_namespace.c:446)
[   49.906715][  T848]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.906911][  T848]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.907089][  T848]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.907262][  T848]  copy_net_ns (net/core/net_namespace.c:579)
[   49.907437][  T848]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.907619][  T848]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.907800][  T848]  ksys_unshare (kernel/fork.c:3243)
[   49.907989][  T848]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.908158][  T848]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.908328][  T848]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.908503][  T848]  ? __ia32_sys_open (fs/open.c:1374)
[   49.908683][  T848]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.908864][  T848]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.909048][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.909222][  T848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.909392][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.909570][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.909770][  T848] RIP: 0033:0x7f3e25aabbcb
[   49.909967][  T848] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.910453][  T848] RSP: 002b:00007ffe4eed0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.910693][  T848] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3e25aabbcb
[   49.910945][  T848] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.911175][  T848] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.911408][  T848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eed31a0
[   49.911644][  T848] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eed3847
| [   49.915721][  T848] ------------[ cut here ]------------
| [   49.915908][  T848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/848
| [   49.916173][  T848] Modules linked in:
| [   49.916619][  T848] Tainted: [W]=WARN
[   49.916759][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.916988][  T848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.917198][  T848] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.917694][  T848] RSP: 0018:ffa00000027878f8 EFLAGS: 00010286
[   49.917925][  T848] RAX: 00000000ffffffa6 RBX: ff11000009a00ac0 RCX: 1ff40000004f0ee5
[   49.918159][  T848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a00b7c
[   49.918393][  T848] RBP: ff110000108d4000 R08: 1fe2200001340171 R09: ff110000126dae80
[   49.918636][  T848] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.918888][  T848] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000108d4000
[   49.919125][  T848] FS:  00007f3e257e9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.919390][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.919600][  T848] CR2: 00007f3e259eac20 CR3: 000000000ef87004 CR4: 0000000000771ef0
[   49.919844][  T848] PKRU: 55555554
[   49.919997][  T848] Call Trace:
[   49.920142][  T848]  <TASK>
[   49.920253][  T848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.920426][  T848]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.920606][  T848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.920750][  T848]  register_netdevice (net/core/dev.c:11488)
[   49.920945][  T848]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.921148][  T848]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   49.921328][  T848]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   49.921500][  T848]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   49.921679][  T848]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   49.921879][  T848]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   49.922056][  T848]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   49.922229][  T848]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   49.922404][  T848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   49.922587][  T848]  vti_init_net (net/ipv4/ip_vti.c:517)
[   49.922763][  T848]  ops_init (net/core/net_namespace.c:137)
[   49.922927][  T848]  setup_net (net/core/net_namespace.c:446)
[   49.923068][  T848]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.923238][  T848]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.923413][  T848]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.923594][  T848]  copy_net_ns (net/core/net_namespace.c:579)
[   49.923768][  T848]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.923967][  T848]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.924140][  T848]  ksys_unshare (kernel/fork.c:3243)
[   49.924311][  T848]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.924483][  T848]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.924662][  T848]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.924845][  T848]  ? __ia32_sys_open (fs/open.c:1374)
[   49.925036][  T848]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.925210][  T848]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.925382][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.925562][  T848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.925733][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.925929][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.926132][  T848] RIP: 0033:0x7f3e25aabbcb
[   49.926309][  T848] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.926816][  T848] RSP: 002b:00007ffe4eed0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.927065][  T848] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3e25aabbcb
[   49.927297][  T848] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.927534][  T848] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.927766][  T848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eed31a0
[   49.928020][  T848] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eed3847
| [   49.932378][  T848] ------------[ cut here ]------------
| [   49.932550][  T848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/848
| [   49.932815][  T848] Modules linked in:
| [   49.933273][  T848] Tainted: [W]=WARN
[   49.933413][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.933621][  T848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.933839][  T848] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.934345][  T848] RSP: 0018:ffa0000002787a78 EFLAGS: 00010286
[   49.934556][  T848] RAX: 00000000ffffffa6 RBX: ff11000009a01a80 RCX: 1ff40000004f0f15
[   49.934796][  T848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a01b3c
[   49.935039][  T848] RBP: ff11000010bdc000 R08: 1fe2200001340369 R09: ff110000126dae80
[   49.935274][  T848] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.935507][  T848] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bdc000
[   49.935746][  T848] FS:  00007f3e257e9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.936030][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.936236][  T848] CR2: 00007f3e259eac20 CR3: 000000000ef87004 CR4: 0000000000771ef0
[   49.936470][  T848] PKRU: 55555554
[   49.936615][  T848] Call Trace:
[   49.936754][  T848]  <TASK>
[   49.936884][  T848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.937055][  T848]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.937226][  T848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.937369][  T848]  register_netdevice (net/core/dev.c:11488)
[   49.937548][  T848]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.937750][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.937944][  T848]  register_netdev (net/core/dev.c:11552)
[   49.938118][  T848]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   49.938291][  T848]  ops_init (net/core/net_namespace.c:137)
[   49.938433][  T848]  setup_net (net/core/net_namespace.c:446)
[   49.938583][  T848]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.938756][  T848]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.938948][  T848]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.939121][  T848]  copy_net_ns (net/core/net_namespace.c:579)
[   49.939294][  T848]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.939468][  T848]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.939646][  T848]  ksys_unshare (kernel/fork.c:3243)
[   49.939824][  T848]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.940010][  T848]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.940182][  T848]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.940354][  T848]  ? __ia32_sys_open (fs/open.c:1374)
[   49.940531][  T848]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.940702][  T848]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.940890][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.941061][  T848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.941234][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.941409][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.941617][  T848] RIP: 0033:0x7f3e25aabbcb
[   49.941802][  T848] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.942305][  T848] RSP: 002b:00007ffe4eed0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.942549][  T848] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3e25aabbcb
[   49.942788][  T848] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.943035][  T848] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.943269][  T848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eed31a0
[   49.943506][  T848] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eed3847
| [   49.948072][  T848] ------------[ cut here ]------------
| [   49.948327][  T848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/848
| [   49.948607][  T848] Modules linked in:
| [   49.949162][  T848] Tainted: [W]=WARN
[   49.949305][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.949514][  T848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.949832][  T848] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.950425][  T848] RSP: 0018:ffa0000002787a68 EFLAGS: 00010286
[   49.950640][  T848] RAX: 00000000ffffffa6 RBX: ff1100000fc4a3c0 RCX: 1ff40000004f0f13
[   49.950897][  T848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a47c
[   49.951215][  T848] RBP: ff11000005bb9000 R08: 1fe2200001f89491 R09: ff110000126dae80
[   49.951448][  T848] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.951687][  T848] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005bb9000
[   49.952039][  T848] FS:  00007f3e257e9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.952309][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.952517][  T848] CR2: 00007f3e259eac20 CR3: 000000000ef87004 CR4: 0000000000771ef0
[   49.952851][  T848] PKRU: 55555554
[   49.953008][  T848] Call Trace:
[   49.953150][  T848]  <TASK>
[   49.953262][  T848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.953528][  T848]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.953704][  T848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.953856][  T848]  register_netdevice (net/core/dev.c:11488)
[   49.954043][  T848]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.954336][  T848]  register_netdev (net/core/dev.c:11552)
[   49.954512][  T848]  sit_init_net (net/ipv6/sit.c:1860)
[   49.954694][  T848]  ops_init (net/core/net_namespace.c:137)
[   49.954849][  T848]  setup_net (net/core/net_namespace.c:446)
[   49.955092][  T848]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.955269][  T848]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.955445][  T848]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.955628][  T848]  copy_net_ns (net/core/net_namespace.c:579)
[   49.955812][  T848]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.956091][  T848]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.956272][  T848]  ksys_unshare (kernel/fork.c:3243)
[   49.956447][  T848]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.956627][  T848]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.956907][  T848]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.957085][  T848]  ? __ia32_sys_open (fs/open.c:1374)
[   49.957262][  T848]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.957436][  T848]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.957708][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.957906][  T848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.958082][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.958258][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.958555][  T848] RIP: 0033:0x7f3e25aabbcb
[   49.958736][  T848] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.959350][  T848] RSP: 002b:00007ffe4eed0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.959597][  T848] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3e25aabbcb
[   49.959942][  T848] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.960179][  T848] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.960417][  T848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eed31a0
[   49.960748][  T848] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eed3847
| [   49.976922][  T848] ------------[ cut here ]------------
| [   49.977098][  T848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/848
| [   49.977365][  T848] Modules linked in:
| [   49.977826][  T848] Tainted: [W]=WARN
[   49.977984][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.978192][  T848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   49.978408][  T848] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   49.978931][  T848] RSP: 0018:ffa0000002787a78 EFLAGS: 00010286
[   49.979144][  T848] RAX: 00000000ffffffa6 RBX: ff1100000b7d5700 RCX: 1ff40000004f0f15
[   49.979382][  T848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d57bc
[   49.979626][  T848] RBP: ff1100000ef7c000 R08: 1fe22000016faaf9 R09: ff110000126dae80
[   49.979884][  T848] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   49.980125][  T848] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef7c000
[   49.980365][  T848] FS:  00007f3e257e9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   49.980646][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.980864][  T848] CR2: 00007f3e259eac20 CR3: 000000000ef87004 CR4: 0000000000771ef0
[   49.981120][  T848] PKRU: 55555554
[   49.981265][  T848] Call Trace:
[   49.981407][  T848]  <TASK>
[   49.981523][  T848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   49.981700][  T848]  ? notifier_call_chain (kernel/notifier.c:85)
[   49.981897][  T848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   49.982044][  T848]  register_netdevice (net/core/dev.c:11488)
[   49.982223][  T848]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   49.982429][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   49.982620][  T848]  register_netdev (net/core/dev.c:11552)
[   49.982805][  T848]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   49.982996][  T848]  ops_init (net/core/net_namespace.c:137)
[   49.983144][  T848]  setup_net (net/core/net_namespace.c:446)
[   49.983289][  T848]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   49.983464][  T848]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   49.983650][  T848]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   49.983840][  T848]  copy_net_ns (net/core/net_namespace.c:579)
[   49.984041][  T848]  create_new_namespaces (kernel/nsproxy.c:132)
[   49.984222][  T848]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   49.984400][  T848]  ksys_unshare (kernel/fork.c:3243)
[   49.984585][  T848]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   49.984760][  T848]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   49.984955][  T848]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   49.985141][  T848]  ? __ia32_sys_open (fs/open.c:1374)
[   49.985319][  T848]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   49.985494][  T848]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   49.985678][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   49.985862][  T848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   49.986054][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   49.986230][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.986436][  T848] RIP: 0033:0x7f3e25aabbcb
[   49.986627][  T848] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   49.987147][  T848] RSP: 002b:00007ffe4eed0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   49.987384][  T848] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3e25aabbcb
[   49.987630][  T848] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   49.987887][  T848] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   49.988123][  T848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eed31a0
[   49.988358][  T848] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eed3847
| [   50.011879][  T849] ------------[ cut here ]------------
| [   50.012022][  T849] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/849
| [   50.012244][  T849] Modules linked in:
| [   50.012610][  T849] Tainted: [W]=WARN
[   50.012707][  T849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.013480][  T849] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.013651][  T849] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.014120][  T849] RSP: 0018:ffa0000002797020 EFLAGS: 00010286
[   50.014281][  T849] RAX: 00000000ffffffa6 RBX: ff1100000b7d4c80 RCX: 1ff40000004f2dca
[   50.014470][  T849] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4d3c
[   50.014666][  T849] RBP: ff11000005011000 R08: 1fe22000016fa9a9 R09: ff110000126dd158
[   50.014865][  T849] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   50.015062][  T849] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.015255][  T849] FS:  00007fea7c4b8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   50.015480][  T849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.015643][  T849] CR2: 000000000acb7988 CR3: 0000000009875001 CR4: 0000000000771ef0
[   50.015842][  T849] PKRU: 55555554
[   50.015975][  T849] Call Trace:
[   50.016073][  T849]  <TASK>
[   50.016140][  T849]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.016272][  T849]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.016370][  T849]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.016500][  T849]  __dev_notify_flags (net/core/dev.c:9787)
[   50.016634][  T849]  ? netif_change_name (net/core/dev.c:1495)
[   50.016765][  T849]  ? __dev_change_flags (net/core/dev.c:9752)
[   50.016904][  T849]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   50.017032][  T849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.017161][  T849]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.017291][  T849]  netif_change_flags (net/core/dev.c:9820)
[   50.017420][  T849]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.017552][  T849]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.017683][  T849]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.017818][  T849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.017984][  T849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.018112][  T849]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.018241][  T849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.018369][  T849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.018499][  T849]  ? __kernel_text_address (kernel/extable.c:79)
[   50.018632][  T849]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.018765][  T849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.018904][  T849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.019034][  T849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.019162][  T849]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.019289][  T849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.019417][  T849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.019548][  T849]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.019676][  T849]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.019811][  T849]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.019946][  T849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.020075][  T849]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.020207][  T849]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.020339][  T849]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.020472][  T849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.020604][  T849]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.020732][  T849]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.020871][  T849]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.021001][  T849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.021133][  T849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.021261][  T849]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.021390][  T849]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.021520][  T849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.021650][  T849]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.021784][  T849]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.021919][  T849]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.022048][  T849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.022177][  T849]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.022309][  T849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.022439][  T849]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.022571][  T849]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.022701][  T849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.022836][  T849]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.022974][  T849]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.023103][  T849]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.023234][  T849]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.023364][  T849]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.023494][  T849]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.023628][  T849]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.023758][  T849]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.023900][  T849]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.024033][  T849]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.024163][  T849]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.024292][  T849]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.024453][  T849]  ? move_addr_to_kernel (net/socket.c:258)
[   50.024584][  T849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.024713][  T849]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.024849][  T849]  ___sys_sendmsg (net/socket.c:2752)
[   50.024982][  T849]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.025143][  T849]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.025285][  T849]  __sys_sendmsg (net/socket.c:2784)
[   50.025418][  T849]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.025549][  T849]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.025713][  T849]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.025848][  T849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.025984][  T849]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.026113][  T849]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.026242][  T849]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.026370][  T849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.026535][  T849] RIP: 0033:0x7fea7c6f208e
[   50.026671][  T849] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.027142][  T849] RSP: 002b:00007fffb379ca70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.027338][  T849] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fea7c6f208e
[   50.027536][  T849] RDX: 0000000000000000 RSI: 00007fffb379cb20 RDI: 0000000000000005
[   50.027730][  T849] RBP: 00007fffb379ca80 R08: 0000000000000000 R09: 0000000000000000
[   50.027935][  T849] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.028130][  T849] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb379d1f0
| [   50.477735][  T868] ------------[ cut here ]------------
| [   50.477910][  T868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/868
| [   50.478148][  T868] Modules linked in:
| [   50.478530][  T868] Tainted: [W]=WARN
[   50.478632][  T868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.478806][  T868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.478986][  T868] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.479463][  T868] RSP: 0018:ffa0000002896e30 EFLAGS: 00010286
[   50.479635][  T868] RAX: 00000000ffffffa6 RBX: ff1100000c04a3c0 RCX: 1ff4000000512d8c
[   50.479842][  T868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a47c
[   50.480044][  T868] RBP: ff11000010091000 R08: 1fe2200001809491 R09: ff1100001078d180
[   50.480244][  T868] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.480442][  T868] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d394e80
[   50.480649][  T868] FS:  00007f2617c38840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   50.480897][  T868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.481066][  T868] CR2: 000000000042ebe0 CR3: 000000000e6d7003 CR4: 0000000000771ef0
[   50.481267][  T868] PKRU: 55555554
[   50.481369][  T868] Call Trace:
[   50.481469][  T868]  <TASK>
[   50.481542][  T868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.481680][  T868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.481787][  T868]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   50.481960][  T868]  __dev_notify_flags (net/core/dev.c:9787)
[   50.482097][  T868]  ? netif_change_name (net/core/dev.c:1495)
[   50.482230][  T868]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.482363][  T868]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.482498][  T868]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.482636][  T868]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   50.482774][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.482920][  T868]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.483055][  T868]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   50.483191][  T868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.483325][  T868]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   50.483463][  T868]  veth_newlink (drivers/net/veth.c:1871)
[   50.483601][  T868]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   50.483735][  T868]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.483881][  T868]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.484015][  T868]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.484166][  T868]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   50.484300][  T868]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   50.484436][  T868]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   50.484575][  T868]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.484712][  T868]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   50.484854][  T868]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   50.484996][  T868]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   50.485133][  T868]  ? __dev_get_by_name (net/core/dev.c:883)
[   50.485267][  T868]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   50.485408][  T868]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   50.485551][  T868]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.485689][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.485826][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.485966][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.486099][  T868]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.486234][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.486373][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.486513][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.486649][  T868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.486791][  T868]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.486933][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.487066][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.487204][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.487338][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.487475][  T868]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.487613][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.487750][  T868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.487901][  T868]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.488035][  T868]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.488172][  T868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.488307][  T868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.488440][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.488578][  T868]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.488714][  T868]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.488854][  T868]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.488998][  T868]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.489134][  T868]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.489268][  T868]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.489433][  T868]  ? move_addr_to_kernel (net/socket.c:258)
[   50.489579][  T868]  ___sys_sendmsg (net/socket.c:2752)
[   50.489714][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.489855][  T868]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.490006][  T868]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   50.490143][  T868]  __sys_sendmsg (net/socket.c:2784)
[   50.490280][  T868]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.490421][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.490559][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.490695][  T868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.490839][  T868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.490978][  T868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.491113][  T868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.491282][  T868] RIP: 0033:0x7f2617e7208e
[   50.491424][  T868] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.491918][  T868] RSP: 002b:00007ffeb6a68ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.492122][  T868] RAX: ffffffffffffffda RBX: 00007ffeb6a69678 RCX: 00007f2617e7208e
[   50.492323][  T868] RDX: 0000000000000000 RSI: 00007ffeb6a68f80 RDI: 0000000000000005
[   50.492525][  T868] RBP: 00007ffeb6a68ee0 R08: 0000000000000000 R09: 0000000000000000
[   50.492727][  T868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.492943][  T868] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb6a69650
| [   50.504087][  T868] ------------[ cut here ]------------
| [   50.504230][  T868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/868
| [   50.504458][  T868] Modules linked in:
| [   50.504837][  T868] Tainted: [W]=WARN
[   50.505462][  T868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.505631][  T868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.505876][  T868] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.506344][  T868] RSP: 0018:ffa00000028971b0 EFLAGS: 00010286
[   50.506513][  T868] RAX: 00000000ffffffa6 RBX: ff1100000909d380 RCX: 1ff4000000512dfc
[   50.506709][  T868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d43c
[   50.506968][  T868] RBP: ff11000005821000 R08: 1fe2200001213a89 R09: ff1100001078d180
[   50.507164][  T868] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.507359][  T868] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   50.507563][  T868] FS:  00007f2617c38840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   50.507801][  T868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.508023][  T868] CR2: 000000000042ebe0 CR3: 000000000e6d7003 CR4: 0000000000771ef0
[   50.508222][  T868] PKRU: 55555554
[   50.508320][  T868] Call Trace:
[   50.508419][  T868]  <TASK>
[   50.508487][  T868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.508627][  T868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.508728][  T868]  __dev_notify_flags (net/core/dev.c:9787)
[   50.508926][  T868]  ? netif_change_name (net/core/dev.c:1495)
[   50.509059][  T868]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   50.509190][  T868]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.509324][  T868]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   50.509457][  T868]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   50.509594][  T868]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   50.509725][  T868]  ? __dev_get_by_name (net/core/dev.c:883)
[   50.509863][  T868]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   50.510057][  T868]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   50.510194][  T868]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.510327][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.510461][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.510596][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.510728][  T868]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.510924][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.511061][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.511195][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.511328][  T868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.511459][  T868]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.511594][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.511726][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.511925][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.512056][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.512188][  T868]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.512319][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.512451][  T868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.512588][  T868]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.512718][  T868]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.512858][  T868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.513050][  T868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.513181][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.513313][  T868]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.513446][  T868]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.513583][  T868]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.513716][  T868]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.513852][  T868]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.514040][  T868]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.514202][  T868]  ? move_addr_to_kernel (net/socket.c:258)
[   50.514338][  T868]  ___sys_sendmsg (net/socket.c:2752)
[   50.514469][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.514604][  T868]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.514746][  T868]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   50.514943][  T868]  __sys_sendmsg (net/socket.c:2784)
[   50.515076][  T868]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.515212][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.515343][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.515477][  T868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.515613][  T868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.515745][  T868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.515937][  T868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.516101][  T868] RIP: 0033:0x7f2617e7208e
[   50.516239][  T868] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.516713][  T868] RSP: 002b:00007ffeb6a68ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.516975][  T868] RAX: ffffffffffffffda RBX: 00007ffeb6a69678 RCX: 00007f2617e7208e
[   50.517171][  T868] RDX: 0000000000000000 RSI: 00007ffeb6a68f80 RDI: 0000000000000005
[   50.517368][  T868] RBP: 00007ffeb6a68ee0 R08: 0000000000000000 R09: 0000000000000000
[   50.517569][  T868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.517766][  T868] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb6a69650
| [   50.565161][  T869] ------------[ cut here ]------------
| [   50.565300][  T869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/869
| [   50.565513][  T869] Modules linked in:
| [   50.565864][  T869] Tainted: [W]=WARN
[   50.565969][  T869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.566121][  T869] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.566280][  T869] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.566717][  T869] RSP: 0018:ffa00000028a6ff8 EFLAGS: 00010286
[   50.566881][  T869] RAX: 00000000ffffffa6 RBX: ff1100000fc4ac80 RCX: 1ff4000000514dc5
[   50.567065][  T869] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4ad3c
[   50.567248][  T869] RBP: ff11000010091000 R08: 1fe2200001f895a9 R09: ff11000009a90b58
[   50.567429][  T869] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   50.567614][  T869] R13: 0000000000000000 R14: ffa00000028a7140 R15: ff11000001ff43d0
[   50.567803][  T869] FS:  00007f1ed7c0f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   50.568026][  T869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.568177][  T869] CR2: 0000000025cc2988 CR3: 00000000100bf001 CR4: 0000000000771ef0
[   50.568360][  T869] PKRU: 55555554
[   50.568451][  T869] Call Trace:
[   50.568544][  T869]  <TASK>
[   50.568608][  T869]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   50.568731][  T869]  __dev_change_net_namespace (net/core/dev.c:12635)
[   50.568895][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.569018][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.569141][  T869]  ? default_device_exit_batch (net/core/dev.c:13091)
[   50.569291][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.569413][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.569537][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.569659][  T869]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.569788][  T869]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.569921][  T869]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   50.570044][  T869]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.570166][  T869]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.570317][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.570437][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.570564][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.570684][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.570815][  T869]  ? __kernel_text_address (kernel/extable.c:79)
[   50.570945][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.571069][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.571189][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.571312][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.571432][  T869]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.571557][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.571677][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.571804][  T869]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.571932][  T869]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.572055][  T869]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.572175][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.572297][  T869]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.572417][  T869]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.572542][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.572666][  T869]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.572794][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.573000][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.573122][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.573249][  T869]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.573368][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.573490][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.573612][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.573732][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.573859][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.573987][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.574107][  T869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.574228][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.574349][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.574469][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.574597][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.574718][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.574846][  T869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.574971][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.575093][  T869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.575218][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.575338][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.575462][  T869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.575589][  T869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.575710][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.575838][  T869]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.575967][  T869]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.576091][  T869]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.576214][  T869]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.576335][  T869]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.576457][  T869]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.576608][  T869]  ? move_addr_to_kernel (net/socket.c:258)
[   50.576730][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.576858][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.576986][  T869]  ___sys_sendmsg (net/socket.c:2752)
[   50.577106][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.577256][  T869]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.577389][  T869]  __sys_sendmsg (net/socket.c:2784)
[   50.577512][  T869]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.577634][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.577791][  T869]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.577920][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.578043][  T869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.578164][  T869]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.578285][  T869]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.578407][  T869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.578561][  T869] RIP: 0033:0x7f1ed7e4908e
[   50.578687][  T869] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.579132][  T869] RSP: 002b:00007fff7b2d0550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.579316][  T869] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1ed7e4908e
[   50.579498][  T869] RDX: 0000000000000000 RSI: 00007fff7b2d0600 RDI: 0000000000000005
[   50.579687][  T869] RBP: 00007fff7b2d0560 R08: 0000000000000000 R09: 0000000000000000
[   50.579882][  T869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.580067][  T869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7b2d0cd0
| [   50.582529][  T869] ------------[ cut here ]------------
| [   50.582653][  T869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/869
| [   50.582874][  T869] Modules linked in:
| [   50.583218][  T869] Tainted: [W]=WARN
[   50.583312][  T869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.583465][  T869] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.583631][  T869] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.584080][  T869] RSP: 0018:ffa00000028a6fc0 EFLAGS: 00010286
[   50.584238][  T869] RAX: 00000000ffffffa6 RBX: ff1100000922a740 RCX: 1ff4000000514dbe
[   50.584421][  T869] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a7fc
[   50.584608][  T869] RBP: ff11000010091000 R08: 1fe2200001245501 R09: ff11000009a90b58
[   50.584800][  T869] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   50.584990][  T869] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001ff43d0
[   50.585178][  T869] FS:  00007f1ed7c0f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   50.585395][  T869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.585551][  T869] CR2: 0000000025cc2988 CR3: 00000000100bf001 CR4: 0000000000771ef0
[   50.585738][  T869] PKRU: 55555554
[   50.585835][  T869] Call Trace:
[   50.585935][  T869]  <TASK>
[   50.585999][  T869]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.586125][  T869]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.586249][  T869]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.586346][  T869]  __dev_change_net_namespace (net/core/dev.c:12695)
[   50.586502][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.586630][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.586756][  T869]  ? default_device_exit_batch (net/core/dev.c:13091)
[   50.586919][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.587043][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.587168][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.587292][  T869]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.587416][  T869]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.587546][  T869]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   50.587673][  T869]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.587804][  T869]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.587965][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.588090][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.588214][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.588336][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.588460][  T869]  ? __kernel_text_address (kernel/extable.c:79)
[   50.588586][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.588712][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.588841][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.588971][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.589093][  T869]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.589216][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.589339][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.589462][  T869]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.589590][  T869]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.589713][  T869]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.589843][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.589973][  T869]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.590098][  T869]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.590224][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.590351][  T869]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.590476][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.590604][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.590728][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.590860][  T869]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.590989][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.591114][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.591238][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.591362][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.591486][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.591613][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.591737][  T869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.591872][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.591996][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.592120][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.592246][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.592368][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.592492][  T869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.592620][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.592744][  T869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.592883][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.593008][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.593134][  T869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.593261][  T869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.593386][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.593515][  T869]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.593642][  T869]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.593769][  T869]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.593905][  T869]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.594029][  T869]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.594153][  T869]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.594306][  T869]  ? move_addr_to_kernel (net/socket.c:258)
[   50.594431][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.594558][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.594685][  T869]  ___sys_sendmsg (net/socket.c:2752)
[   50.594814][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.594973][  T869]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.595108][  T869]  __sys_sendmsg (net/socket.c:2784)
[   50.595233][  T869]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.595357][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.595519][  T869]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.595645][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.595769][  T869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.595903][  T869]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.596027][  T869]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.596150][  T869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.596302][  T869] RIP: 0033:0x7f1ed7e4908e
[   50.596431][  T869] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.596883][  T869] RSP: 002b:00007fff7b2d0550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.597069][  T869] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1ed7e4908e
[   50.597252][  T869] RDX: 0000000000000000 RSI: 00007fff7b2d0600 RDI: 0000000000000005
[   50.597437][  T869] RBP: 00007fff7b2d0560 R08: 0000000000000000 R09: 0000000000000000
[   50.597625][  T869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.597814][  T869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7b2d0cd0
| [   50.599610][  T869] ------------[ cut here ]------------
| [   50.599731][  T869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/869
| [   50.599961][  T869] Modules linked in:
| [   50.600302][  T869] Tainted: [W]=WARN
[   50.600395][  T869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.600640][  T869] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.600806][  T869] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.601589][  T869] RSP: 0018:ffa00000028a7038 EFLAGS: 00010286
[   50.601745][  T869] RAX: 00000000ffffffa6 RBX: ff1100000922a200 RCX: 1ff4000000514dcd
[   50.601936][  T869] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a2bc
[   50.602119][  T869] RBP: ff11000010091000 R08: 1fe2200001245459 R09: ff11000009a90b58
[   50.602301][  T869] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   50.602483][  T869] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   50.602668][  T869] FS:  00007f1ed7c0f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   50.602894][  T869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.603049][  T869] CR2: 0000000025cc2988 CR3: 00000000100bf001 CR4: 0000000000771ef0
[   50.603233][  T869] PKRU: 55555554
[   50.603324][  T869] Call Trace:
[   50.603416][  T869]  <TASK>
[   50.603563][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.603685][  T869]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   50.603814][  T869]  notifier_call_chain (kernel/notifier.c:85)
[   50.603944][  T869]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   50.604149][  T869]  ? default_device_exit_batch (net/core/dev.c:13091)
[   50.604302][  T869]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   50.604453][  T869]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.604579][  T869]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.604790][  T869]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   50.604920][  T869]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.605044][  T869]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.605279][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.605401][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.605524][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.605645][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.605852][  T869]  ? __kernel_text_address (kernel/extable.c:79)
[   50.605982][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.606106][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.606228][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.606432][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.606559][  T869]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.606681][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.606808][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.607019][  T869]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.607142][  T869]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.607267][  T869]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.607389][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.607596][  T869]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.607719][  T869]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.607848][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.607979][  T869]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.608183][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.608305][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.608429][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.608553][  T869]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.608752][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.608885][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.609007][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.609129][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.609330][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.609455][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.609580][  T869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.609703][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.609918][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.610042][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.610166][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.610288][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.610492][  T869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.610620][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.610742][  T869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.610879][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.611082][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.611206][  T869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.611330][  T869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.611453][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.611658][  T869]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.611789][  T869]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.611919][  T869]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.612043][  T869]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.612248][  T869]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.612371][  T869]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.612525][  T869]  ? move_addr_to_kernel (net/socket.c:258)
[   50.612650][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.612859][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.612989][  T869]  ___sys_sendmsg (net/socket.c:2752)
[   50.613112][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.613265][  T869]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.613480][  T869]  __sys_sendmsg (net/socket.c:2784)
[   50.613606][  T869]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.613727][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.613896][  T869]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.614020][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.614143][  T869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.614266][  T869]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.614388][  T869]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.614593][  T869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.614745][  T869] RIP: 0033:0x7f1ed7e4908e
[   50.614880][  T869] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.615406][  T869] RSP: 002b:00007fff7b2d0550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.615675][  T869] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1ed7e4908e
[   50.615872][  T869] RDX: 0000000000000000 RSI: 00007fff7b2d0600 RDI: 0000000000000005
[   50.616055][  T869] RBP: 00007fff7b2d0560 R08: 0000000000000000 R09: 0000000000000000
[   50.616319][  T869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.616502][  T869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7b2d0cd0
| [   50.618812][  T869] ------------[ cut here ]------------
| [   50.619019][  T869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/869
| [   50.619240][  T869] Modules linked in:
| [   50.619670][  T869] Tainted: [W]=WARN
[   50.619766][  T869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.619934][  T869] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.620096][  T869] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.620630][  T869] RSP: 0018:ffa00000028a7020 EFLAGS: 00010286
[   50.620880][  T869] RAX: 00000000ffffffa6 RBX: ff1100000caa0900 RCX: 1ff4000000514dca
[   50.621066][  T869] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa09bc
[   50.621251][  T869] RBP: ff11000010091000 R08: 1fe2200001954139 R09: ff11000009a90b58
[   50.621520][  T869] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   50.621705][  T869] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.621904][  T869] FS:  00007f1ed7c0f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   50.622124][  T869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.622281][  T869] CR2: 0000000025cc2988 CR3: 00000000100bf001 CR4: 0000000000771ef0
[   50.622557][  T869] PKRU: 55555554
[   50.622651][  T869] Call Trace:
[   50.622744][  T869]  <TASK>
[   50.622814][  T869]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.622945][  T869]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.623122][  T869]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.623249][  T869]  __dev_notify_flags (net/core/dev.c:9787)
[   50.623374][  T869]  ? netif_change_name (net/core/dev.c:1495)
[   50.623499][  T869]  ? __dev_change_flags (net/core/dev.c:9752)
[   50.623710][  T869]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   50.623841][  T869]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   50.624002][  T869]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.624128][  T869]  netif_change_flags (net/core/dev.c:9820)
[   50.624338][  T869]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.624465][  T869]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.624594][  T869]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.624749][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.624966][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.625091][  T869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.625217][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.625341][  T869]  ? __kernel_text_address (kernel/extable.c:79)
[   50.625551][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.625678][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.625805][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.625935][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.626142][  T869]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.626265][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.626390][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.626518][  T869]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.626725][  T869]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.626856][  T869]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.626985][  T869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.627110][  T869]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.627316][  T869]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.627443][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.627574][  T869]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.627701][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.627917][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.628041][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.628166][  T869]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.628290][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.628498][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.628626][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.628749][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.628883][  T869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.629092][  T869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.629217][  T869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.629342][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.629466][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.629675][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.629808][  T869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.629938][  T869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.630063][  T869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.630268][  T869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.630392][  T869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.630522][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.630646][  T869]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.630860][  T869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.630991][  T869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.631116][  T869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.631242][  T869]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.631448][  T869]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.631578][  T869]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.631704][  T869]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.631833][  T869]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.631966][  T869]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.632119][  T869]  ? move_addr_to_kernel (net/socket.c:258)
[   50.632244][  T869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.632368][  T869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.632578][  T869]  ___sys_sendmsg (net/socket.c:2752)
[   50.632703][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.632864][  T869]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.633089][  T869]  __sys_sendmsg (net/socket.c:2784)
[   50.633214][  T869]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.633338][  T869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.633496][  T869]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.633707][  T869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.633839][  T869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.633968][  T869]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.634092][  T869]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.634297][  T869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.634451][  T869] RIP: 0033:0x7f1ed7e4908e
[   50.634584][  T869] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.635124][  T869] RSP: 002b:00007fff7b2d0550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.635311][  T869] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1ed7e4908e
[   50.635580][  T869] RDX: 0000000000000000 RSI: 00007fff7b2d0600 RDI: 0000000000000005
[   50.635767][  T869] RBP: 00007fff7b2d0560 R08: 0000000000000000 R09: 0000000000000000
[   50.636046][  T869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.636234][  T869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7b2d0cd0
| [   50.678143][  T870] ------------[ cut here ]------------
| [   50.678324][  T870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/870
| [   50.678602][  T870] Modules linked in:
| [   50.679070][  T870] Tainted: [W]=WARN
[   50.679213][  T870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.679419][  T870] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.679642][  T870] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.680157][  T870] RSP: 0018:ffa00000028b6e30 EFLAGS: 00010286
[   50.680364][  T870] RAX: 00000000ffffffa6 RBX: ff1100000caa1c40 RCX: 1ff4000000516d8c
[   50.680609][  T870] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa1cfc
[   50.680855][  T870] RBP: ff1100000ff44000 R08: 1fe22000019543a1 R09: ff11000009a95180
[   50.681103][  T870] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.681340][  T870] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df85900
[   50.681587][  T870] FS:  00007fa7de743840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   50.681882][  T870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.682087][  T870] CR2: 000000000042ebe0 CR3: 000000000fc72003 CR4: 0000000000771ef0
[   50.682324][  T870] PKRU: 55555554
[   50.682466][  T870] Call Trace:
[   50.682615][  T870]  <TASK>
[   50.682727][  T870]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.682924][  T870]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.683073][  T870]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   50.683280][  T870]  __dev_notify_flags (net/core/dev.c:9787)
[   50.683458][  T870]  ? netif_change_name (net/core/dev.c:1495)
[   50.683639][  T870]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.683822][  T870]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.684009][  T870]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.684186][  T870]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   50.684364][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.684543][  T870]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.684720][  T870]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   50.684914][  T870]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.685088][  T870]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   50.685265][  T870]  veth_newlink (drivers/net/veth.c:1871)
[   50.685441][  T870]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   50.685623][  T870]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.685805][  T870]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.685992][  T870]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.686182][  T870]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   50.686356][  T870]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   50.686535][  T870]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   50.686710][  T870]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.686906][  T870]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   50.687082][  T870]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   50.687258][  T870]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   50.687433][  T870]  ? __dev_get_by_name (net/core/dev.c:883)
[   50.687616][  T870]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   50.687804][  T870]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   50.687998][  T870]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.688176][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.688351][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.688531][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.688705][  T870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.688899][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.689078][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.689253][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.689428][  T870]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.689611][  T870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.689793][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.689979][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.690155][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.690328][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.690504][  T870]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.690684][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.690881][  T870]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.691058][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.691235][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.691412][  T870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.691594][  T870]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.691769][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.691965][  T870]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.692140][  T870]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.692315][  T870]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.692492][  T870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.692673][  T870]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.692856][  T870]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.693072][  T870]  ? move_addr_to_kernel (net/socket.c:258)
[   50.693251][  T870]  ___sys_sendmsg (net/socket.c:2752)
[   50.693426][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.693611][  T870]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.693806][  T870]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   50.693996][  T870]  __sys_sendmsg (net/socket.c:2784)
[   50.694172][  T870]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.694350][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.694527][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.694704][  T870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.694900][  T870]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.695073][  T870]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.695251][  T870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.695455][  T870] RIP: 0033:0x7fa7de97d08e
[   50.695645][  T870] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.696166][  T870] RSP: 002b:00007ffd234b3a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.696406][  T870] RAX: ffffffffffffffda RBX: 00007ffd234b41b8 RCX: 00007fa7de97d08e
[   50.696649][  T870] RDX: 0000000000000000 RSI: 00007ffd234b3ac0 RDI: 0000000000000005
[   50.696907][  T870] RBP: 00007ffd234b3a20 R08: 0000000000000000 R09: 0000000000000000
[   50.697142][  T870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.697381][  T870] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd234b4190
| [   50.704903][  T870] ------------[ cut here ]------------
| [   50.705077][  T870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/870
| [   50.705347][  T870] Modules linked in:
| [   50.705805][  T870] Tainted: [W]=WARN
[   50.705960][  T870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.706165][  T870] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.706378][  T870] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.707424][  T870] RSP: 0018:ffa00000028b71b0 EFLAGS: 00010286
[   50.707913][  T870] RAX: 00000000ffffffa6 RBX: ff1100000dc26200 RCX: 1ff4000000516dfc
[   50.708206][  T870] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc262bc
[   50.708494][  T870] RBP: ff11000012639000 R08: 1fe2200001b84c59 R09: ff11000009a95180
[   50.708797][  T870] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.709096][  T870] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   50.709388][  T870] FS:  00007fa7de743840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   50.709717][  T870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.709998][  T870] CR2: 000000000042ebe0 CR3: 000000000fc72003 CR4: 0000000000771ef0
[   50.710289][  T870] PKRU: 55555554
[   50.710481][  T870] Call Trace:
[   50.710678][  T870]  <TASK>
[   50.710848][  T870]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.711095][  T870]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.711292][  T870]  __dev_notify_flags (net/core/dev.c:9787)
[   50.711529][  T870]  ? netif_change_name (net/core/dev.c:1495)
[   50.711758][  T870]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   50.712003][  T870]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.712232][  T870]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   50.712458][  T870]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   50.712696][  T870]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   50.712945][  T870]  ? __dev_get_by_name (net/core/dev.c:883)
[   50.713173][  T870]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   50.713406][  T870]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   50.713644][  T870]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.713894][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.714122][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.714352][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.714580][  T870]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.714814][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.715058][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.715287][  T870]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.715517][  T870]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.715745][  T870]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.715989][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.716217][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.716444][  T870]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.716676][  T870]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.716926][  T870]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.717152][  T870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.717377][  T870]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.717613][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.717846][  T870]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.718093][  T870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.718284][  T870]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.718456][  T870]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.718640][  T870]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.718825][  T870]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.719013][  T870]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.719188][  T870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.719366][  T870]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.719543][  T870]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.719747][  T870]  ? move_addr_to_kernel (net/socket.c:258)
[   50.719945][  T870]  ___sys_sendmsg (net/socket.c:2752)
[   50.720119][  T870]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.720292][  T870]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.720473][  T870]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   50.720658][  T870]  __sys_sendmsg (net/socket.c:2784)
[   50.720842][  T870]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.721034][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.721209][  T870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.721382][  T870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.721562][  T870]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.721735][  T870]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.721931][  T870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.722138][  T870] RIP: 0033:0x7fa7de97d08e
[   50.722316][  T870] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.722824][  T870] RSP: 002b:00007ffd234b3a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.723076][  T870] RAX: ffffffffffffffda RBX: 00007ffd234b41b8 RCX: 00007fa7de97d08e
[   50.723312][  T870] RDX: 0000000000000000 RSI: 00007ffd234b3ac0 RDI: 0000000000000005
[   50.723553][  T870] RBP: 00007ffd234b3a20 R08: 0000000000000000 R09: 0000000000000000
[   50.723797][  T870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1e
[   50.724042][  T870] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd234b4190
| [   50.767145][  T871] ------------[ cut here ]------------
| [   50.767321][  T871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/871
| [   50.767590][  T871] Modules linked in:
| [   50.768062][  T871] Tainted: [W]=WARN
[   50.768202][  T871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.768403][  T871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.768619][  T871] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.769130][  T871] RSP: 0018:ffa00000028c6ff8 EFLAGS: 00010286
[   50.769332][  T871] RAX: 00000000ffffffa6 RBX: ff1100000922a3c0 RCX: 1ff4000000518dc5
[   50.769569][  T871] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000922a47c
[   50.769807][  T871] RBP: ff1100000ff44000 R08: 1fe2200001245491 R09: ff11000009d30b58
[   50.770052][  T871] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.770283][  T871] R13: 0000000000000000 R14: ffa00000028c7140 R15: ff1100000d1a3bd0
[   50.770520][  T871] FS:  00007f710ace0840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   50.770793][  T871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.771010][  T871] CR2: 00007f710afb01a0 CR3: 000000000fc72005 CR4: 0000000000771ef0
[   50.771241][  T871] PKRU: 55555554
[   50.771379][  T871] Call Trace:
[   50.771521][  T871]  <TASK>
[   50.771634][  T871]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   50.771814][  T871]  __dev_change_net_namespace (net/core/dev.c:12635)
[   50.772030][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.772200][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.772372][  T871]  ? default_device_exit_batch (net/core/dev.c:13091)
[   50.772583][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.772753][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.772945][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.773116][  T871]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.773288][  T871]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.773460][  T871]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   50.773640][  T871]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.773819][  T871]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.774032][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.774203][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.774374][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.774551][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.774722][  T871]  ? __kernel_text_address (kernel/extable.c:79)
[   50.774914][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.775089][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.775260][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.775431][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.775610][  T871]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.775789][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.775972][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.776142][  T871]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.776312][  T871]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.776481][  T871]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.776658][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.776839][  T871]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.777024][  T871]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.777200][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.777373][  T871]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.777553][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.777722][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.777917][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.778092][  T871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.778261][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.778434][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.778612][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.778792][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.778978][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.779150][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.779321][  T871]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.779492][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.779667][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.779847][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.780033][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.780202][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.780375][  T871]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.780551][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.780723][  T871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.780919][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.781089][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.781262][  T871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.781434][  T871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.781614][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.781794][  T871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.781980][  T871]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.782152][  T871]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.782324][  T871]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.782493][  T871]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.782672][  T871]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.782891][  T871]  ? move_addr_to_kernel (net/socket.c:258)
[   50.783064][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.783234][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.783405][  T871]  ___sys_sendmsg (net/socket.c:2752)
[   50.783583][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.783789][  T871]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.783984][  T871]  __sys_sendmsg (net/socket.c:2784)
[   50.784155][  T871]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.784323][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.784531][  T871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.784702][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.784894][  T871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.785063][  T871]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.785231][  T871]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.785401][  T871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.785609][  T871] RIP: 0033:0x7f710af1a08e
[   50.785793][  T871] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.786285][  T871] RSP: 002b:00007ffcb625d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.786517][  T871] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f710af1a08e
[   50.786749][  T871] RDX: 0000000000000000 RSI: 00007ffcb625d4b0 RDI: 0000000000000005
[   50.786999][  T871] RBP: 00007ffcb625d410 R08: 0000000000000000 R09: 0000000000000000
[   50.787227][  T871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   50.787456][  T871] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb625db80
| [   50.790353][  T871] ------------[ cut here ]------------
| [   50.790522][  T871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/871
| [   50.790790][  T871] Modules linked in:
| [   50.791241][  T871] Tainted: [W]=WARN
[   50.791379][  T871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.791587][  T871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.791803][  T871] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.792298][  T871] RSP: 0018:ffa00000028c6fc0 EFLAGS: 00010286
[   50.792499][  T871] RAX: 00000000ffffffa6 RBX: ff110000109b9c40 RCX: 1ff4000000518dbe
[   50.792737][  T871] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9cfc
[   50.792988][  T871] RBP: ff1100000ff44000 R08: 1fe22000021373a1 R09: ff11000009d30b58
[   50.793218][  T871] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   50.793448][  T871] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d1a3bd0
[   50.793687][  T871] FS:  00007f710ace0840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   50.793975][  T871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.794177][  T871] CR2: 00007f710afb01a0 CR3: 000000000fc72005 CR4: 0000000000771ef0
[   50.794410][  T871] PKRU: 55555554
[   50.794554][  T871] Call Trace:
[   50.794694][  T871]  <TASK>
[   50.794810][  T871]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.794996][  T871]  ? notifier_call_chain (kernel/notifier.c:85)
[   50.795168][  T871]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.795311][  T871]  __dev_change_net_namespace (net/core/dev.c:12695)
[   50.795516][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.795690][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.795885][  T871]  ? default_device_exit_batch (net/core/dev.c:13091)
[   50.796088][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.796257][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.796428][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.796608][  T871]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.796790][  T871]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.796978][  T871]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   50.797153][  T871]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.797323][  T871]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.797532][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.797704][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.797897][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.798067][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.798236][  T871]  ? __kernel_text_address (kernel/extable.c:79)
[   50.798405][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.798586][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.798759][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.798949][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.799120][  T871]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.799288][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.799457][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.799637][  T871]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.799814][  T871]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.799999][  T871]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.800170][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.800341][  T871]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.800510][  T871]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.800688][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.800885][  T871]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.801060][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.801228][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.801402][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.801580][  T871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.801750][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.801943][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.802112][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.802281][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.802451][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.802632][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.802810][  T871]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.802994][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.803163][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.803332][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.803506][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.803680][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.803858][  T871]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.804043][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.804214][  T871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.804388][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.804564][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.804737][  T871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.804932][  T871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.805104][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.805275][  T871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.805449][  T871]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.805626][  T871]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.805806][  T871]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.805991][  T871]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.806160][  T871]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.806358][  T871]  ? move_addr_to_kernel (net/socket.c:258)
[   50.806532][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.806707][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.806899][  T871]  ___sys_sendmsg (net/socket.c:2752)
[   50.807069][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.807267][  T871]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.807449][  T871]  __sys_sendmsg (net/socket.c:2784)
[   50.807626][  T871]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.807802][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.808021][  T871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.808191][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.808361][  T871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.808532][  T871]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.808701][  T871]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.808894][  T871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.809093][  T871] RIP: 0033:0x7f710af1a08e
[   50.809268][  T871] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.809760][  T871] RSP: 002b:00007ffcb625d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.810010][  T871] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f710af1a08e
[   50.810241][  T871] RDX: 0000000000000000 RSI: 00007ffcb625d4b0 RDI: 0000000000000005
[   50.810468][  T871] RBP: 00007ffcb625d410 R08: 0000000000000000 R09: 0000000000000000
[   50.810705][  T871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   50.810954][  T871] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb625db80
| [   50.813211][  T871] ------------[ cut here ]------------
| [   50.813372][  T871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/871
| [   50.813638][  T871] Modules linked in:
| [   50.814155][  T871] Tainted: [W]=WARN
[   50.814345][  T871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.814599][  T871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.814845][  T871] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.815341][  T871] RSP: 0018:ffa00000028c7038 EFLAGS: 00010286
[   50.815545][  T871] RAX: 00000000ffffffa6 RBX: ff1100000fe91380 RCX: 1ff4000000518dcd
[   50.815773][  T871] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9143c
[   50.816027][  T871] RBP: ff1100000ff44000 R08: 1fe2200001fd2289 R09: ff11000009d30b58
[   50.816254][  T871] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   50.816481][  T871] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   50.816715][  T871] FS:  00007f710ace0840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   50.816997][  T871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.817195][  T871] CR2: 00007f710afb01a0 CR3: 000000000fc72005 CR4: 0000000000771ef0
[   50.817424][  T871] PKRU: 55555554
[   50.817567][  T871] Call Trace:
[   50.817703][  T871]  <TASK>
[   50.817819][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.818002][  T871]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   50.818172][  T871]  notifier_call_chain (kernel/notifier.c:85)
[   50.818346][  T871]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   50.818518][  T871]  ? default_device_exit_batch (net/core/dev.c:13091)
[   50.818720][  T871]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   50.818943][  T871]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.819115][  T871]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.819285][  T871]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   50.819455][  T871]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.819635][  T871]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.819843][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.820024][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.820194][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.820361][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.820531][  T871]  ? __kernel_text_address (kernel/extable.c:79)
[   50.820705][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.820897][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.821065][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.821235][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.821404][  T871]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.821580][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.821749][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.821939][  T871]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.822111][  T871]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.822278][  T871]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.822446][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.822623][  T871]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.822801][  T871]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.822984][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.823156][  T871]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.823325][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.823494][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.823671][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.823851][  T871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.824033][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.824204][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.824370][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.824542][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.824715][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.824906][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.825077][  T871]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.825245][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.825412][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.825586][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.825755][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.825945][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.826116][  T871]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.826282][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.826449][  T871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.826627][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.826802][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.826986][  T871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.827156][  T871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.827328][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.827497][  T871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.827675][  T871]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.827853][  T871]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.828036][  T871]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.828204][  T871]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.828371][  T871]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.828575][  T871]  ? move_addr_to_kernel (net/socket.c:258)
[   50.828748][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.828938][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.829109][  T871]  ___sys_sendmsg (net/socket.c:2752)
[   50.829278][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.829476][  T871]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.829661][  T871]  __sys_sendmsg (net/socket.c:2784)
[   50.829838][  T871]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.830020][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.830221][  T871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.830390][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.830565][  T871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.830732][  T871]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.830922][  T871]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.831089][  T871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.831287][  T871] RIP: 0033:0x7f710af1a08e
[   50.831459][  T871] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.831959][  T871] RSP: 002b:00007ffcb625d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.832187][  T871] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f710af1a08e
[   50.832415][  T871] RDX: 0000000000000000 RSI: 00007ffcb625d4b0 RDI: 0000000000000005
[   50.832647][  T871] RBP: 00007ffcb625d410 R08: 0000000000000000 R09: 0000000000000000
[   50.832893][  T871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   50.833118][  T871] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb625db80
| [   50.835603][  T871] ------------[ cut here ]------------
| [   50.835764][  T871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/871
| [   50.836523][  T871] Modules linked in:
| [   50.837085][  T871] Tainted: [W]=WARN
[   50.837274][  T871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.837530][  T871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.837797][  T871] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.838342][  T871] RSP: 0018:ffa00000028c7020 EFLAGS: 00010286
[   50.838600][  T871] RAX: 00000000ffffffa6 RBX: ff1100000fe918c0 RCX: 1ff4000000518dca
[   50.838901][  T871] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9197c
[   50.839183][  T871] RBP: ff1100000ff44000 R08: 1fe2200001fd2331 R09: ff11000009d30b58
[   50.839463][  T871] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   50.839748][  T871] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   50.840047][  T871] FS:  00007f710ace0840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   50.840361][  T871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.840619][  T871] CR2: 00007f710afb01a0 CR3: 000000000fc72005 CR4: 0000000000771ef0
[   50.840920][  T871] PKRU: 55555554
[   50.841108][  T871] Call Trace:
[   50.841295][  T871]  <TASK>
[   50.841453][  T871]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.841682][  T871]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.841901][  T871]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.842120][  T871]  __dev_notify_flags (net/core/dev.c:9787)
[   50.842341][  T871]  ? netif_change_name (net/core/dev.c:1495)
[   50.842568][  T871]  ? __dev_change_flags (net/core/dev.c:9752)
[   50.842797][  T871]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   50.843029][  T871]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   50.843279][  T871]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.843502][  T871]  netif_change_flags (net/core/dev.c:9820)
[   50.843730][  T871]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.843974][  T871]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.844200][  T871]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.844449][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.844676][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.844921][  T871]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.845140][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.845359][  T871]  ? __kernel_text_address (kernel/extable.c:79)
[   50.845583][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.845812][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.846045][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.846265][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.846488][  T871]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.846712][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.846949][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.847170][  T871]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.847390][  T871]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.847615][  T871]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.847842][  T871]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.848088][  T871]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.848312][  T871]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.848543][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.848766][  T871]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.849020][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.849239][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.849461][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.849689][  T871]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.849932][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.850158][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.850376][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.850601][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.850829][  T871]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.851065][  T871]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.851286][  T871]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.851505][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.851733][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.851977][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.852200][  T871]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.852420][  T871]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.852646][  T871]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.852889][  T871]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.853112][  T871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.853338][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.853566][  T871]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.853797][  T871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.854031][  T871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.854252][  T871]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.854474][  T871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.854702][  T871]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.854945][  T871]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.855169][  T871]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.855390][  T871]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.855618][  T871]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.855889][  T871]  ? move_addr_to_kernel (net/socket.c:258)
[   50.856113][  T871]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.856335][  T871]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.856565][  T871]  ___sys_sendmsg (net/socket.c:2752)
[   50.856793][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.857060][  T871]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.857292][  T871]  __sys_sendmsg (net/socket.c:2784)
[   50.857516][  T871]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.857740][  T871]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.858016][  T871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.858239][  T871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.858460][  T871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.858693][  T871]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.858934][  T871]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.859158][  T871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.859388][  T871] RIP: 0033:0x7f710af1a08e
[   50.859567][  T871] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.860074][  T871] RSP: 002b:00007ffcb625d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.860305][  T871] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f710af1a08e
[   50.860535][  T871] RDX: 0000000000000000 RSI: 00007ffcb625d4b0 RDI: 0000000000000005
[   50.860765][  T871] RBP: 00007ffcb625d410 R08: 0000000000000000 R09: 0000000000000000
[   50.861017][  T871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   50.861246][  T871] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb625db80
| [   50.901854][  T872] ------------[ cut here ]------------
| [   50.902011][  T872] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/872
| [   50.902243][  T872] Modules linked in:
| [   50.902621][  T872] Tainted: [W]=WARN
[   50.902723][  T872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.902902][  T872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.903077][  T872] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.903556][  T872] RSP: 0018:ffa00000028d6e30 EFLAGS: 00010286
[   50.903724][  T872] RAX: 00000000ffffffa6 RBX: ff1100000baab540 RCX: 1ff400000051ad8c
[   50.903935][  T872] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baab5fc
[   50.904135][  T872] RBP: ff110000126c9000 R08: 1fe22000017556c1 R09: ff11000006015180
[   50.904334][  T872] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.904538][  T872] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc49c80
[   50.904740][  T872] FS:  00007f8042ac6840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   50.904986][  T872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.905154][  T872] CR2: 000000000042ebe0 CR3: 000000000e6d7005 CR4: 0000000000771ef0
[   50.905357][  T872] PKRU: 55555554
[   50.905459][  T872] Call Trace:
[   50.905563][  T872]  <TASK>
[   50.905633][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.905768][  T872]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.905914][  T872]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.906016][  T872]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   50.906150][  T872]  __dev_notify_flags (net/core/dev.c:9787)
[   50.906285][  T872]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   50.906419][  T872]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   50.906554][  T872]  ? netif_change_name (net/core/dev.c:1495)
[   50.906687][  T872]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.906824][  T872]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.906965][  T872]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.907098][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.907231][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.907367][  T872]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   50.907501][  T872]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   50.907638][  T872]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   50.907773][  T872]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   50.907917][  T872]  veth_newlink (drivers/net/veth.c:1871)
[   50.908050][  T872]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   50.908183][  T872]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.908314][  T872]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.908446][  T872]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.908599][  T872]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   50.908732][  T872]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   50.908876][  T872]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   50.909009][  T872]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.909142][  T872]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   50.909276][  T872]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   50.909410][  T872]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   50.909547][  T872]  ? __dev_get_by_name (net/core/dev.c:883)
[   50.909678][  T872]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   50.909823][  T872]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   50.909965][  T872]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.910099][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.910231][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.910363][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.910496][  T872]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.910631][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.910768][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.910912][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.911049][  T872]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.911184][  T872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.911316][  T872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.911449][  T872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.911586][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.911719][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.911858][  T872]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.911996][  T872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.912130][  T872]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.912268][  T872]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.912402][  T872]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.912541][  T872]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.912676][  T872]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.912816][  T872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.912956][  T872]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.913091][  T872]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.913227][  T872]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.913362][  T872]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.913495][  T872]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.913631][  T872]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.913804][  T872]  ? move_addr_to_kernel (net/socket.c:258)
[   50.913947][  T872]  ___sys_sendmsg (net/socket.c:2752)
[   50.914079][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.914213][  T872]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.914355][  T872]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   50.914490][  T872]  __sys_sendmsg (net/socket.c:2784)
[   50.914627][  T872]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.914764][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.914906][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.915039][  T872]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.915172][  T872]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.915305][  T872]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.915438][  T872]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.915607][  T872] RIP: 0033:0x7f8042d0008e
[   50.915747][  T872] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.916231][  T872] RSP: 002b:00007ffe48cdbe20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.916431][  T872] RAX: ffffffffffffffda RBX: 00007ffe48cdc5c8 RCX: 00007f8042d0008e
[   50.916633][  T872] RDX: 0000000000000000 RSI: 00007ffe48cdbed0 RDI: 0000000000000005
[   50.916835][  T872] RBP: 00007ffe48cdbe30 R08: 0000000000000000 R09: 0000000000000000
[   50.917039][  T872] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   50.917237][  T872] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe48cdc5a0
| [   50.929811][  T872] ------------[ cut here ]------------
| [   50.930593][  T872] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/872
| [   50.930833][  T872] Modules linked in:
| [   50.931254][  T872] Tainted: [W]=WARN
[   50.931355][  T872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.931576][  T872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.931750][  T872] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.932290][  T872] RSP: 0018:ffa00000028d71b0 EFLAGS: 00010286
[   50.932459][  T872] RAX: 00000000ffffffa6 RBX: ff1100000a16a740 RCX: 1ff400000051adfc
[   50.932659][  T872] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a7fc
[   50.932865][  T872] RBP: ff11000008321000 R08: 1fe220000142d501 R09: ff11000006015180
[   50.933115][  T872] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   50.933308][  T872] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   50.933507][  T872] FS:  00007f8042ac6840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   50.933738][  T872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.933964][  T872] CR2: 000000000042ebe0 CR3: 000000000e6d7005 CR4: 0000000000771ef0
[   50.934163][  T872] PKRU: 55555554
[   50.934264][  T872] Call Trace:
[   50.934362][  T872]  <TASK>
[   50.934430][  T872]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   50.934567][  T872]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   50.934667][  T872]  __dev_notify_flags (net/core/dev.c:9787)
[   50.934809][  T872]  ? netif_change_name (net/core/dev.c:1495)
[   50.934998][  T872]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   50.935130][  T872]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   50.935263][  T872]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   50.935397][  T872]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   50.935533][  T872]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   50.935665][  T872]  ? __dev_get_by_name (net/core/dev.c:883)
[   50.935803][  T872]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   50.935997][  T872]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   50.936133][  T872]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.936266][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.936397][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.936531][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.936662][  T872]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.936795][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.936988][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.937121][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.937252][  T872]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.937383][  T872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.937517][  T872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.937646][  T872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.937783][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.937972][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.938106][  T872]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.938235][  T872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.938367][  T872]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.938501][  T872]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.938634][  T872]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.938767][  T872]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.938963][  T872]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.939097][  T872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.939229][  T872]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.939361][  T872]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.939492][  T872]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.939629][  T872]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.939762][  T872]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.939955][  T872]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.940118][  T872]  ? move_addr_to_kernel (net/socket.c:258)
[   50.940254][  T872]  ___sys_sendmsg (net/socket.c:2752)
[   50.940386][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.940519][  T872]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.940659][  T872]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   50.940795][  T872]  __sys_sendmsg (net/socket.c:2784)
[   50.940983][  T872]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.941120][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.941249][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.941380][  T872]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.941514][  T872]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.941646][  T872]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.941776][  T872]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.942002][  T872] RIP: 0033:0x7f8042d0008e
[   50.942139][  T872] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.942612][  T872] RSP: 002b:00007ffe48cdbe20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.942815][  T872] RAX: ffffffffffffffda RBX: 00007ffe48cdc5c8 RCX: 00007f8042d0008e
[   50.943070][  T872] RDX: 0000000000000000 RSI: 00007ffe48cdbed0 RDI: 0000000000000005
[   50.943270][  T872] RBP: 00007ffe48cdbe30 R08: 0000000000000000 R09: 0000000000000000
[   50.943468][  T872] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   50.943667][  T872] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe48cdc5a0
| [   50.978455][  T873] ------------[ cut here ]------------
| [   50.978600][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/873
| [   50.978825][  T873] Modules linked in:
| [   50.979190][  T873] Tainted: [W]=WARN
[   50.979287][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.979444][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.979611][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.980073][  T873] RSP: 0018:ffa00000028d6ff8 EFLAGS: 00010286
[   50.980232][  T873] RAX: 00000000ffffffa6 RBX: ff1100000bb3a200 RCX: 1ff400000051adc5
[   50.980420][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb3a2bc
[   50.980608][  T873] RBP: ff110000126c9000 R08: 1fe2200001767459 R09: ff11000006010b58
[   50.980802][  T873] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   50.980995][  T873] R13: 0000000000000000 R14: ffa00000028d7140 R15: ff1100000cbe2a50
[   50.981185][  T873] FS:  00007f6e75d01840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   50.981402][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.981562][  T873] CR2: 00007f6e75fd11a0 CR3: 000000000fc72001 CR4: 0000000000771ef0
[   50.981749][  T873] PKRU: 55555554
[   50.981850][  T873] Call Trace:
[   50.981949][  T873]  <TASK>
[   50.982014][  T873]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   50.982142][  T873]  __dev_change_net_namespace (net/core/dev.c:12635)
[   50.982298][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.982422][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.982551][  T873]  ? default_device_exit_batch (net/core/dev.c:13091)
[   50.982707][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.982838][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.982980][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.983106][  T873]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   50.983232][  T873]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.983359][  T873]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   50.983486][  T873]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   50.983614][  T873]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   50.983772][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.983909][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.984034][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.984159][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.984284][  T873]  ? __kernel_text_address (kernel/extable.c:79)
[   50.984409][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.984540][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.984666][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.984796][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.984931][  T873]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   50.985055][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.985180][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.985305][  T873]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   50.985431][  T873]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   50.985561][  T873]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   50.985686][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   50.985823][  T873]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   50.986032][  T873]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.986161][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   50.986288][  T873]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   50.986415][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.986543][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.986670][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.986805][  T873]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   50.986936][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.987064][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.987189][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.987312][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.987436][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   50.987568][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   50.987694][  T873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.987823][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.987953][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.988076][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.988201][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   50.988325][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   50.988450][  T873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.988578][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.988704][  T873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.988837][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.988967][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.989095][  T873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.989221][  T873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.989345][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   50.989470][  T873]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.989601][  T873]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   50.989727][  T873]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   50.989856][  T873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.989986][  T873]  ? copy_msghdr_from_user (net/socket.c:2635)
[   50.990111][  T873]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   50.990265][  T873]  ? move_addr_to_kernel (net/socket.c:258)
[   50.990391][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.990520][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   50.990646][  T873]  ___sys_sendmsg (net/socket.c:2752)
[   50.990770][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   50.990935][  T873]  ? copy_msghdr_from_user (net/socket.c:2603)
[   50.991071][  T873]  __sys_sendmsg (net/socket.c:2784)
[   50.991197][  T873]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   50.991322][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   50.991481][  T873]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.991609][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   50.991735][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.991864][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   50.991997][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   50.992121][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.992277][  T873] RIP: 0033:0x7f6e75f3b08e
[   50.992408][  T873] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.992871][  T873] RSP: 002b:00007fffe6f9ed30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.993060][  T873] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e75f3b08e
[   50.993248][  T873] RDX: 0000000000000000 RSI: 00007fffe6f9ede0 RDI: 0000000000000005
[   50.993434][  T873] RBP: 00007fffe6f9ed40 R08: 0000000000000000 R09: 0000000000000000
[   50.993624][  T873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   50.993816][  T873] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe6f9f4b0
| [   50.996317][  T873] ------------[ cut here ]------------
| [   50.996444][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/873
| [   50.996670][  T873] Modules linked in:
| [   50.997040][  T873] Tainted: [W]=WARN
[   50.997137][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.997294][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.997458][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.997920][  T873] RSP: 0018:ffa00000028d6fc0 EFLAGS: 00010286
[   50.998079][  T873] RAX: 00000000ffffffa6 RBX: ff1100000bb3b000 RCX: 1ff400000051adbe
[   50.998267][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb3b0bc
[   50.998456][  T873] RBP: ff110000126c9000 R08: 1fe2200001767619 R09: ff11000006010b58
[   50.998644][  T873] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   50.998838][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cbe2a50
[   50.999039][  T873] FS:  00007f6e75d01840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   50.999261][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.999420][  T873] CR2: 00007f6e75fd11a0 CR3: 000000000fc72001 CR4: 0000000000771ef0
[   50.999613][  T873] PKRU: 55555554
[   50.999708][  T873] Call Trace:
[   50.999807][  T873]  <TASK>
[   50.999878][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.000008][  T873]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.000137][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.000235][  T873]  __dev_change_net_namespace (net/core/dev.c:12695)
[   51.000394][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.000521][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.000649][  T873]  ? default_device_exit_batch (net/core/dev.c:13091)
[   51.000812][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.000942][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.001069][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.001198][  T873]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.001327][  T873]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.001457][  T873]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   51.001589][  T873]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.001718][  T873]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.001886][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.002014][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.002142][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.002271][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.002400][  T873]  ? __kernel_text_address (kernel/extable.c:79)
[   51.002532][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.002663][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.002794][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.002931][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.003059][  T873]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.003185][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.003314][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.003441][  T873]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.003573][  T873]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.003701][  T873]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.003836][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.003977][  T873]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.004103][  T873]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.004233][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.004365][  T873]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.004495][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.004625][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.004753][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.004890][  T873]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.005017][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.005146][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.005274][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.005400][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.005533][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.005662][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.005796][  T873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.005931][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.006058][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.006185][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.006314][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.006441][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.006573][  T873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.006700][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.006835][  T873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.006977][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.007105][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.007235][  T873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.007363][  T873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.007491][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.007623][  T873]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.007752][  T873]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.007889][  T873]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.008021][  T873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.008147][  T873]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.008275][  T873]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.008433][  T873]  ? move_addr_to_kernel (net/socket.c:258)
[   51.008565][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.008693][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.008825][  T873]  ___sys_sendmsg (net/socket.c:2752)
[   51.008959][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.009121][  T873]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.009259][  T873]  __sys_sendmsg (net/socket.c:2784)
[   51.009387][  T873]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.009516][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.009675][  T873]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.009807][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.009943][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.010070][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.010197][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.010323][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.010480][  T873] RIP: 0033:0x7f6e75f3b08e
[   51.010616][  T873] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.011081][  T873] RSP: 002b:00007fffe6f9ed30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.011273][  T873] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e75f3b08e
[   51.011462][  T873] RDX: 0000000000000000 RSI: 00007fffe6f9ede0 RDI: 0000000000000005
[   51.011656][  T873] RBP: 00007fffe6f9ed40 R08: 0000000000000000 R09: 0000000000000000
[   51.011851][  T873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.012048][  T873] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe6f9f4b0
| [   51.014098][  T873] ------------[ cut here ]------------
| [   51.014222][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/873
| [   51.014438][  T873] Modules linked in:
| [   51.014800][  T873] Tainted: [W]=WARN
[   51.014902][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.015061][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.015223][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.015676][  T873] RSP: 0018:ffa00000028d7038 EFLAGS: 00010286
[   51.015839][  T873] RAX: 00000000ffffffa6 RBX: ff1100000bb3b380 RCX: 1ff400000051adcd
[   51.016044][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb3b43c
[   51.016233][  T873] RBP: ff110000126c9000 R08: 1fe2200001767689 R09: ff11000006010b58
[   51.016422][  T873] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   51.016611][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   51.016805][  T873] FS:  00007f6e75d01840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.017031][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.017189][  T873] CR2: 00007f6e75fd11a0 CR3: 000000000fc72001 CR4: 0000000000771ef0
[   51.017380][  T873] PKRU: 55555554
[   51.017474][  T873] Call Trace:
[   51.017571][  T873]  <TASK>
[   51.017636][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.017763][  T873]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.017902][  T873]  notifier_call_chain (kernel/notifier.c:85)
[   51.018031][  T873]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   51.018157][  T873]  ? default_device_exit_batch (net/core/dev.c:13091)
[   51.018319][  T873]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   51.018476][  T873]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.018607][  T873]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.018734][  T873]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   51.018873][  T873]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.019002][  T873]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.019162][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.019288][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.019414][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.019543][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.019669][  T873]  ? __kernel_text_address (kernel/extable.c:79)
[   51.019802][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.019936][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.020064][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.020190][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.020316][  T873]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.020439][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.020568][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.020693][  T873]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.020823][  T873]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.020954][  T873]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.021083][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.021211][  T873]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.021337][  T873]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.021464][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.021597][  T873]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.021725][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.021853][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.021984][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.022111][  T873]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.022235][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.022364][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.022489][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.022617][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.022743][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.022880][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.023006][  T873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.023131][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.023256][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.023381][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.023511][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.023636][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.023765][  T873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.023902][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.024029][  T873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.024157][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.024283][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.024413][  T873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.024545][  T873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.024672][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.024804][  T873]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.024937][  T873]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.025065][  T873]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.025192][  T873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.025318][  T873]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.025443][  T873]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.025601][  T873]  ? move_addr_to_kernel (net/socket.c:258)
[   51.025728][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.025860][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.025995][  T873]  ___sys_sendmsg (net/socket.c:2752)
[   51.026121][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.026277][  T873]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.026415][  T873]  __sys_sendmsg (net/socket.c:2784)
[   51.026545][  T873]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.026670][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.026835][  T873]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.026969][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.027098][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.027223][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.027348][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.027474][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.027633][  T873] RIP: 0033:0x7f6e75f3b08e
[   51.027766][  T873] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.028227][  T873] RSP: 002b:00007fffe6f9ed30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.028417][  T873] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e75f3b08e
[   51.028608][  T873] RDX: 0000000000000000 RSI: 00007fffe6f9ede0 RDI: 0000000000000005
[   51.028803][  T873] RBP: 00007fffe6f9ed40 R08: 0000000000000000 R09: 0000000000000000
[   51.028997][  T873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.029185][  T873] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe6f9f4b0
| [   51.031299][  T873] ------------[ cut here ]------------
| [   51.031425][  T873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/873
| [   51.031646][  T873] Modules linked in:
| [   51.032519][  T873] Tainted: [W]=WARN
[   51.032617][  T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.032777][  T873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.033009][  T873] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.033460][  T873] RSP: 0018:ffa00000028d7020 EFLAGS: 00010286
[   51.033624][  T873] RAX: 00000000ffffffa6 RBX: ff1100000bb3bc40 RCX: 1ff400000051adca
[   51.033820][  T873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb3bcfc
[   51.034069][  T873] RBP: ff110000126c9000 R08: 1fe22000017677a1 R09: ff11000006010b58
[   51.034260][  T873] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   51.034449][  T873] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.034645][  T873] FS:  00007f6e75d01840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.034930][  T873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.035092][  T873] CR2: 00007f6e75fd11a0 CR3: 000000000fc72001 CR4: 0000000000771ef0
[   51.035284][  T873] PKRU: 55555554
[   51.035381][  T873] Call Trace:
[   51.035476][  T873]  <TASK>
[   51.035546][  T873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.035676][  T873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.035775][  T873]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.035962][  T873]  __dev_notify_flags (net/core/dev.c:9787)
[   51.036094][  T873]  ? netif_change_name (net/core/dev.c:1495)
[   51.036222][  T873]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.036353][  T873]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.036482][  T873]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   51.036644][  T873]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.036774][  T873]  netif_change_flags (net/core/dev.c:9820)
[   51.036967][  T873]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.037098][  T873]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.037229][  T873]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.037389][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.037518][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.037646][  T873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.037774][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.037964][  T873]  ? __kernel_text_address (kernel/extable.c:79)
[   51.038095][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.038225][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.038352][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.038481][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.038612][  T873]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.038740][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.038931][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.039062][  T873]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.039191][  T873]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.039318][  T873]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.039447][  T873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.039581][  T873]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.039710][  T873]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.039846][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.040035][  T873]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.040165][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.040293][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.040421][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.040551][  T873]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.040679][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.040818][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.041004][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.041133][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.041262][  T873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.041391][  T873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.041520][  T873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.041651][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.041785][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.042059][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.042192][  T873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.042319][  T873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.042448][  T873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.042579][  T873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.042709][  T873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.042847][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.043117][  T873]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.043249][  T873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.043380][  T873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.043511][  T873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.043642][  T873]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.043771][  T873]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.044043][  T873]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.044173][  T873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.044302][  T873]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.044431][  T873]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.044593][  T873]  ? move_addr_to_kernel (net/socket.c:258)
[   51.044724][  T873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.044856][  T873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.044993][  T873]  ___sys_sendmsg (net/socket.c:2752)
[   51.045120][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.045279][  T873]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.045422][  T873]  __sys_sendmsg (net/socket.c:2784)
[   51.045552][  T873]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.045680][  T873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.045847][  T873]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.046065][  T873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.046194][  T873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.046323][  T873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.046453][  T873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.046668][  T873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.046833][  T873] RIP: 0033:0x7f6e75f3b08e
[   51.046973][  T873] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.047526][  T873] RSP: 002b:00007fffe6f9ed30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.047719][  T873] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e75f3b08e
[   51.048007][  T873] RDX: 0000000000000000 RSI: 00007fffe6f9ede0 RDI: 0000000000000005
[   51.048199][  T873] RBP: 00007fffe6f9ed40 R08: 0000000000000000 R09: 0000000000000000
[   51.048476][  T873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.048673][  T873] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe6f9f4b0
| [   51.085478][  T874] ------------[ cut here ]------------
| [   51.085624][  T874] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/874
| [   51.085858][  T874] Modules linked in:
| [   51.086233][  T874] Tainted: [W]=WARN
[   51.086333][  T874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.086498][  T874] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.086674][  T874] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.087157][  T874] RSP: 0018:ffa00000028e6e30 EFLAGS: 00010286
[   51.087323][  T874] RAX: 00000000ffffffa6 RBX: ff1100000d222e40 RCX: 1ff400000051cd8c
[   51.087521][  T874] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d222efc
[   51.087719][  T874] RBP: ff1100000ef0c000 R08: 1fe2200001a445e1 R09: ff11000006012e80
[   51.087926][  T874] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.088123][  T874] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf6ae00
[   51.088321][  T874] FS:  00007f8d08f1a840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   51.088553][  T874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.088718][  T874] CR2: 00007f8d09281f65 CR3: 000000000e6d7002 CR4: 0000000000771ef0
[   51.088928][  T874] PKRU: 55555554
[   51.089026][  T874] Call Trace:
[   51.089124][  T874]  <TASK>
[   51.089193][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.089326][  T874]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.089460][  T874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.089564][  T874]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   51.089696][  T874]  __dev_notify_flags (net/core/dev.c:9787)
[   51.089835][  T874]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   51.089971][  T874]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   51.090103][  T874]  ? netif_change_name (net/core/dev.c:1495)
[   51.090234][  T874]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.090365][  T874]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.090496][  T874]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.090631][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.090764][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.090908][  T874]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.091040][  T874]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   51.091172][  T874]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   51.091302][  T874]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   51.091434][  T874]  veth_newlink (drivers/net/veth.c:1871)
[   51.091570][  T874]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   51.091701][  T874]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.091839][  T874]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.091975][  T874]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.092122][  T874]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   51.092254][  T874]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   51.092386][  T874]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   51.092520][  T874]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   51.092653][  T874]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   51.092793][  T874]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   51.092932][  T874]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   51.093063][  T874]  ? __dev_get_by_name (net/core/dev.c:883)
[   51.093195][  T874]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   51.093334][  T874]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   51.093469][  T874]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.093608][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.093739][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.093881][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.094015][  T874]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.094145][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.094279][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.094412][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.094546][  T874]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.094677][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.094812][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.094946][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.095080][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.095210][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.095341][  T874]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.095471][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.095605][  T874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.095739][  T874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.095878][  T874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.096016][  T874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.096148][  T874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.096279][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.096411][  T874]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.096547][  T874]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.096679][  T874]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.096817][  T874]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.096952][  T874]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.097083][  T874]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.097245][  T874]  ? move_addr_to_kernel (net/socket.c:258)
[   51.097380][  T874]  ___sys_sendmsg (net/socket.c:2752)
[   51.097513][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.097643][  T874]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.097788][  T874]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   51.097927][  T874]  __sys_sendmsg (net/socket.c:2784)
[   51.098059][  T874]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.098194][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.098324][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.098456][  T874]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.098589][  T874]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.098719][  T874]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.098856][  T874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.099021][  T874] RIP: 0033:0x7f8d0915408e
[   51.099158][  T874] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.099625][  T874] RSP: 002b:00007fffa05149a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.099827][  T874] RAX: ffffffffffffffda RBX: 00007fffa0515148 RCX: 00007f8d0915408e
[   51.100029][  T874] RDX: 0000000000000000 RSI: 00007fffa0514a50 RDI: 0000000000000005
[   51.100225][  T874] RBP: 00007fffa05149b0 R08: 0000000000000000 R09: 0000000000000000
[   51.100421][  T874] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.100617][  T874] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa0515120
| [   51.114608][  T874] ------------[ cut here ]------------
| [   51.114743][  T874] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/874
| [   51.115581][  T874] Modules linked in:
| [   51.116308][  T874] Tainted: [W]=WARN
[   51.116406][  T874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.116571][  T874] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.116737][  T874] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.117259][  T874] RSP: 0018:ffa00000028e71b0 EFLAGS: 00010286
[   51.117423][  T874] RAX: 00000000ffffffa6 RBX: ff1100000f1b5a80 RCX: 1ff400000051cdfc
[   51.117616][  T874] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5b3c
[   51.117814][  T874] RBP: ff11000010099000 R08: 1fe2200001e36b69 R09: ff11000006012e80
[   51.118056][  T874] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.118246][  T874] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   51.118437][  T874] FS:  00007f8d08f1a840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   51.118664][  T874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.118832][  T874] CR2: 00007f8d09281f65 CR3: 000000000e6d7002 CR4: 0000000000771ef0
[   51.119078][  T874] PKRU: 55555554
[   51.119175][  T874] Call Trace:
[   51.119270][  T874]  <TASK>
[   51.119337][  T874]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.119467][  T874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.119569][  T874]  __dev_notify_flags (net/core/dev.c:9787)
[   51.119699][  T874]  ? netif_change_name (net/core/dev.c:1495)
[   51.119836][  T874]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   51.120019][  T874]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   51.120150][  T874]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   51.120280][  T874]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   51.120410][  T874]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   51.120544][  T874]  ? __dev_get_by_name (net/core/dev.c:883)
[   51.120672][  T874]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   51.120814][  T874]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   51.121002][  T874]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.121133][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.121261][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.121391][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.121521][  T874]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.121649][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.121788][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.121975][  T874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.122105][  T874]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.122235][  T874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.122366][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.122494][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.122628][  T874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.122757][  T874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.122945][  T874]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.123074][  T874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.123205][  T874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.123338][  T874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.123467][  T874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.123601][  T874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.123732][  T874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.123925][  T874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.124056][  T874]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.124187][  T874]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.124317][  T874]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.124448][  T874]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.124580][  T874]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.124710][  T874]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.124930][  T874]  ? move_addr_to_kernel (net/socket.c:258)
[   51.125065][  T874]  ___sys_sendmsg (net/socket.c:2752)
[   51.125194][  T874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.125325][  T874]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.125463][  T874]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   51.125598][  T874]  __sys_sendmsg (net/socket.c:2784)
[   51.125728][  T874]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.125923][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.126052][  T874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.126183][  T874]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.126311][  T874]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.126440][  T874]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.126572][  T874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.126733][  T874] RIP: 0033:0x7f8d0915408e
[   51.126932][  T874] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.127393][  T874] RSP: 002b:00007fffa05149a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.127592][  T874] RAX: ffffffffffffffda RBX: 00007fffa0515148 RCX: 00007f8d0915408e
[   51.127789][  T874] RDX: 0000000000000000 RSI: 00007fffa0514a50 RDI: 0000000000000005
[   51.128037][  T874] RBP: 00007fffa05149b0 R08: 0000000000000000 R09: 0000000000000000
[   51.128231][  T874] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.128425][  T874] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa0515120
| [   51.163015][  T875] ------------[ cut here ]------------
| [   51.163159][  T875] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/875
| [   51.163374][  T875] Modules linked in:
| [   51.163724][  T875] Tainted: [W]=WARN
[   51.163823][  T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.163988][  T875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.164150][  T875] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.164592][  T875] RSP: 0018:ffa00000028f6ff8 EFLAGS: 00010286
[   51.164747][  T875] RAX: 00000000ffffffa6 RBX: ff1100000ee518c0 RCX: 1ff400000051edc5
[   51.164944][  T875] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5197c
[   51.165134][  T875] RBP: ff1100000ef0c000 R08: 1fe2200001dca331 R09: ff11000009b25158
[   51.165318][  T875] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   51.165500][  T875] R13: 0000000000000000 R14: ffa00000028f7140 R15: ff1100000f359c50
[   51.165691][  T875] FS:  00007f356f1e1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.165928][  T875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.166085][  T875] CR2: 00007f356f4b11a0 CR3: 000000000fc72003 CR4: 0000000000771ef0
[   51.166269][  T875] PKRU: 55555554
[   51.166362][  T875] Call Trace:
[   51.166455][  T875]  <TASK>
[   51.166521][  T875]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   51.166647][  T875]  __dev_change_net_namespace (net/core/dev.c:12635)
[   51.166809][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.166939][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.167065][  T875]  ? default_device_exit_batch (net/core/dev.c:13091)
[   51.167219][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.167349][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.167472][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.167600][  T875]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.167727][  T875]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.167857][  T875]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   51.168042][  T875]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.168174][  T875]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.168327][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.168451][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.168578][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.168701][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.168830][  T875]  ? __kernel_text_address (kernel/extable.c:79)
[   51.169013][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.169140][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.169263][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.169387][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.169515][  T875]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.169638][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.169763][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.169923][  T875]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.170049][  T875]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.170172][  T875]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.170296][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.170420][  T875]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.170547][  T875]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.170673][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.170808][  T875]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.170939][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.171061][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.171184][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.171306][  T875]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.171428][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.171559][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.171682][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.171808][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.171938][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.172063][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.172186][  T875]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.172310][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.172432][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.172559][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.172684][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.172813][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.172942][  T875]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.173067][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.173193][  T875]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.173321][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.173444][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.173574][  T875]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.173699][  T875]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.173829][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.173961][  T875]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.174086][  T875]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.174210][  T875]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.174336][  T875]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.174459][  T875]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.174583][  T875]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.174735][  T875]  ? move_addr_to_kernel (net/socket.c:258)
[   51.174873][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.174997][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.175124][  T875]  ___sys_sendmsg (net/socket.c:2752)
[   51.175248][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.175403][  T875]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.175544][  T875]  __sys_sendmsg (net/socket.c:2784)
[   51.175670][  T875]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.175798][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.175962][  T875]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.176087][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.176212][  T875]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.176335][  T875]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.176461][  T875]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.176589][  T875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.176742][  T875] RIP: 0033:0x7f356f41b08e
[   51.176881][  T875] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.177326][  T875] RSP: 002b:00007fff5982de60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.177517][  T875] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356f41b08e
[   51.177703][  T875] RDX: 0000000000000000 RSI: 00007fff5982df10 RDI: 0000000000000005
[   51.177900][  T875] RBP: 00007fff5982de70 R08: 0000000000000000 R09: 0000000000000000
[   51.178085][  T875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.178275][  T875] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5982e5e0
| [   51.185265][  T875] ------------[ cut here ]------------
| [   51.185408][  T875] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/875
| [   51.185632][  T875] Modules linked in:
| [   51.186001][  T875] Tainted: [W]=WARN
[   51.186097][  T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.186256][  T875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.186419][  T875] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.186878][  T875] RSP: 0018:ffa00000028f6fc0 EFLAGS: 00010286
[   51.187038][  T875] RAX: 00000000ffffffa6 RBX: ff1100000d6d8040 RCX: 1ff400000051edbe
[   51.187225][  T875] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d80fc
[   51.187410][  T875] RBP: ff1100000ef0c000 R08: 1fe2200001adb021 R09: ff11000009b25158
[   51.187600][  T875] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   51.187790][  T875] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f359c50
[   51.187986][  T875] FS:  00007f356f1e1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   51.188206][  T875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.188362][  T875] CR2: 00007f8d08fe7574 CR3: 000000000fc72003 CR4: 0000000000771ef0
[   51.188552][  T875] PKRU: 55555554
[   51.188646][  T875] Call Trace:
[   51.188742][  T875]  <TASK>
[   51.188813][  T875]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.188944][  T875]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.189071][  T875]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.189167][  T875]  __dev_change_net_namespace (net/core/dev.c:12695)
[   51.189324][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.189449][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.189579][  T875]  ? default_device_exit_batch (net/core/dev.c:13091)
[   51.189735][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.189871][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.189997][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.190122][  T875]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.190249][  T875]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.190375][  T875]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   51.190503][  T875]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.190633][  T875]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.190793][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.190923][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.191048][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.191173][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.191299][  T875]  ? __kernel_text_address (kernel/extable.c:79)
[   51.191427][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.191556][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.191682][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.191814][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.191943][  T875]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.192068][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.192195][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.192321][  T875]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.192449][  T875]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.192577][  T875]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.192703][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.192837][  T875]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.192969][  T875]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.193099][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.193229][  T875]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.193357][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.193482][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.193610][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.193736][  T875]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.193872][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.194002][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.194127][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.194253][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.194380][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.194510][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.194637][  T875]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.194765][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.194902][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.195028][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.195157][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.195288][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.195414][  T875]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.195543][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.195670][  T875]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.195807][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.195938][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.196066][  T875]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.196193][  T875]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.196321][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.196448][  T875]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.196579][  T875]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.196707][  T875]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.196841][  T875]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.196972][  T875]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.197099][  T875]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.197256][  T875]  ? move_addr_to_kernel (net/socket.c:258)
[   51.197383][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.197513][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.197641][  T875]  ___sys_sendmsg (net/socket.c:2752)
[   51.197767][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.197933][  T875]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.198072][  T875]  __sys_sendmsg (net/socket.c:2784)
[   51.198200][  T875]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.198325][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.198484][  T875]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.198612][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.198739][  T875]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.198875][  T875]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.199001][  T875]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.199128][  T875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.199285][  T875] RIP: 0033:0x7f356f41b08e
[   51.199417][  T875] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.199881][  T875] RSP: 002b:00007fff5982de60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.200073][  T875] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356f41b08e
[   51.200261][  T875] RDX: 0000000000000000 RSI: 00007fff5982df10 RDI: 0000000000000005
[   51.200451][  T875] RBP: 00007fff5982de70 R08: 0000000000000000 R09: 0000000000000000
[   51.200641][  T875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.200836][  T875] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5982e5e0
| [   51.202744][  T875] ------------[ cut here ]------------
| [   51.202886][  T875] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/875
| [   51.203104][  T875] Modules linked in:
| [   51.203453][  T875] Tainted: [W]=WARN
[   51.203550][  T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.203711][  T875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.203895][  T875] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.204343][  T875] RSP: 0018:ffa00000028f7038 EFLAGS: 00010286
[   51.204501][  T875] RAX: 00000000ffffffa6 RBX: ff1100000d6d83c0 RCX: 1ff400000051edcd
[   51.204693][  T875] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d847c
[   51.204890][  T875] RBP: ff1100000ef0c000 R08: 1fe2200001adb091 R09: ff11000009b25158
[   51.205083][  T875] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   51.205270][  T875] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.205462][  T875] FS:  00007f356f1e1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   51.205685][  T875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.205850][  T875] CR2: 00007f8d08fe7574 CR3: 000000000fc72003 CR4: 0000000000771ef0
[   51.206044][  T875] PKRU: 55555554
[   51.206138][  T875] Call Trace:
[   51.206233][  T875]  <TASK>
[   51.206299][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.206425][  T875]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.206552][  T875]  notifier_call_chain (kernel/notifier.c:85)
[   51.206681][  T875]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   51.206812][  T875]  ? default_device_exit_batch (net/core/dev.c:13091)
[   51.206978][  T875]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   51.207135][  T875]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.207262][  T875]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.207390][  T875]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   51.207521][  T875]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.207647][  T875]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.207809][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.207945][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.208070][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.208196][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.208326][  T875]  ? __kernel_text_address (kernel/extable.c:79)
[   51.208460][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.208590][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.208715][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.208849][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.208980][  T875]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.209104][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.209229][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.209354][  T875]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.209479][  T875]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.209609][  T875]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.209735][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.209871][  T875]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.210001][  T875]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.210130][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.210259][  T875]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.210387][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.210517][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.210642][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.210768][  T875]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.210904][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.211032][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.211158][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.211284][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.211409][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.211539][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.211665][  T875]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.211795][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.211925][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.212051][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.212180][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.212305][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.212431][  T875]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.212560][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.212685][  T875]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.212819][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.212950][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.213079][  T875]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.213206][  T875]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.213332][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.213459][  T875]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.213590][  T875]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.213717][  T875]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.213851][  T875]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.213981][  T875]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.214108][  T875]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.214264][  T875]  ? move_addr_to_kernel (net/socket.c:258)
[   51.214391][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.214519][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.214646][  T875]  ___sys_sendmsg (net/socket.c:2752)
[   51.214771][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.214937][  T875]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.215077][  T875]  __sys_sendmsg (net/socket.c:2784)
[   51.215203][  T875]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.215327][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.215486][  T875]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.215613][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.215741][  T875]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.215877][  T875]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.216004][  T875]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.216130][  T875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.216291][  T875] RIP: 0033:0x7f356f41b08e
[   51.216422][  T875] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.216882][  T875] RSP: 002b:00007fff5982de60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.217072][  T875] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356f41b08e
[   51.217264][  T875] RDX: 0000000000000000 RSI: 00007fff5982df10 RDI: 0000000000000005
[   51.217452][  T875] RBP: 00007fff5982de70 R08: 0000000000000000 R09: 0000000000000000
[   51.217642][  T875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.217837][  T875] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5982e5e0
| [   51.228672][  T875] ------------[ cut here ]------------
| [   51.228814][  T875] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/875
| [   51.229042][  T875] Modules linked in:
| [   51.229397][  T875] Tainted: [W]=WARN
[   51.229492][  T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.229654][  T875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.229825][  T875] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.230283][  T875] RSP: 0018:ffa00000028f7020 EFLAGS: 00010286
[   51.230442][  T875] RAX: 00000000ffffffa6 RBX: ff1100000d6d8c80 RCX: 1ff400000051edca
[   51.230635][  T875] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d8d3c
[   51.230830][  T875] RBP: ff1100000ef0c000 R08: 1fe2200001adb1a9 R09: ff11000009b25158
[   51.231024][  T875] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   51.231213][  T875] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.231405][  T875] FS:  00007f356f1e1840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   51.231629][  T875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.231793][  T875] CR2: 00007f8d08fe7574 CR3: 000000000fc72003 CR4: 0000000000771ef0
[   51.231997][  T875] PKRU: 55555554
[   51.232092][  T875] Call Trace:
[   51.232186][  T875]  <TASK>
[   51.232252][  T875]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.232385][  T875]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.232482][  T875]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.232611][  T875]  __dev_notify_flags (net/core/dev.c:9787)
[   51.232740][  T875]  ? netif_change_name (net/core/dev.c:1495)
[   51.232878][  T875]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.233006][  T875]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.233133][  T875]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   51.233290][  T875]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.233417][  T875]  netif_change_flags (net/core/dev.c:9820)
[   51.233548][  T875]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.233679][  T875]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.233812][  T875]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.233977][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.234103][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.234231][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.234357][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.234486][  T875]  ? __kernel_text_address (kernel/extable.c:79)
[   51.234613][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.234741][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.234878][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.235007][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.235133][  T875]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.235259][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.235385][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.235517][  T875]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.235644][  T875]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.235771][  T875]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.235908][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.236036][  T875]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.236161][  T875]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.236291][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.236422][  T875]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.236553][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.236679][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.236812][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.236942][  T875]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.237068][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.237197][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.237324][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.237451][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.237580][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.237708][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.237841][  T875]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.237972][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.238100][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.238225][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.238354][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.238482][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.238612][  T875]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.238737][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.238875][  T875]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.239006][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.239132][  T875]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.239260][  T875]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.239389][  T875]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.239519][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.239647][  T875]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.239776][  T875]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.239916][  T875]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.240044][  T875]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.240172][  T875]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.240298][  T875]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.240457][  T875]  ? move_addr_to_kernel (net/socket.c:258)
[   51.240588][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.240715][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.240849][  T875]  ___sys_sendmsg (net/socket.c:2752)
[   51.240980][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.241136][  T875]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.241275][  T875]  __sys_sendmsg (net/socket.c:2784)
[   51.241403][  T875]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.241533][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.241693][  T875]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.241824][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.241956][  T875]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.242084][  T875]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.242210][  T875]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.242340][  T875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.242497][  T875] RIP: 0033:0x7f356f41b08e
[   51.242634][  T875] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.243098][  T875] RSP: 002b:00007fff5982de60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.243289][  T875] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356f41b08e
[   51.243478][  T875] RDX: 0000000000000000 RSI: 00007fff5982df10 RDI: 0000000000000005
[   51.243672][  T875] RBP: 00007fff5982de70 R08: 0000000000000000 R09: 0000000000000000
[   51.243871][  T875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.244063][  T875] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5982e5e0
| [   51.277627][  T876] ------------[ cut here ]------------
| [   51.277773][  T876] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/876
| [   51.278014][  T876] Modules linked in:
| [   51.278382][  T876] Tainted: [W]=WARN
[   51.278482][  T876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.278649][  T876] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.278827][  T876] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.279302][  T876] RSP: 0018:ffa00000029071b0 EFLAGS: 00010286
[   51.279469][  T876] RAX: 00000000ffffffa6 RBX: ff1100000d52f380 RCX: 1ff4000000520dfc
[   51.279670][  T876] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f43c
[   51.279877][  T876] RBP: ff11000009cd2000 R08: 1fe2200001aa5e89 R09: ff11000009b22e80
[   51.280074][  T876] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   51.280269][  T876] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[   51.280468][  T876] FS:  00007f4575aa1840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   51.280702][  T876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.280877][  T876] CR2: 00000000004a04a0 CR3: 000000000e6d7004 CR4: 0000000000771ef0
[   51.281075][  T876] PKRU: 55555554
[   51.281173][  T876] Call Trace:
[   51.281271][  T876]  <TASK>
[   51.281341][  T876]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.281475][  T876]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.281579][  T876]  __dev_notify_flags (net/core/dev.c:9787)
[   51.281712][  T876]  ? netif_change_name (net/core/dev.c:1495)
[   51.281852][  T876]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.282019][  T876]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   51.282153][  T876]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   51.282285][  T876]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   51.282419][  T876]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   51.282555][  T876]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   51.282687][  T876]  ? __dev_get_by_name (net/core/dev.c:883)
[   51.282823][  T876]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   51.282967][  T876]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   51.283102][  T876]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.283236][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.283367][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.283497][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.283634][  T876]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.283766][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.283911][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.284045][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.284176][  T876]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.284308][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.284438][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.284571][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.284704][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.284857][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.284993][  T876]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.285124][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.285256][  T876]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.285391][  T876]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.285521][  T876]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.285654][  T876]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.285790][  T876]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.285927][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.286059][  T876]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.286191][  T876]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.286324][  T876]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.286457][  T876]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.286593][  T876]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.286724][  T876]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.286896][  T876]  ? move_addr_to_kernel (net/socket.c:258)
[   51.287030][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.287161][  T876]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   51.287294][  T876]  ___sys_sendmsg (net/socket.c:2752)
[   51.287424][  T876]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[   51.287558][  T876]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.287693][  T876]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   51.287836][  T876]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   51.287976][  T876]  __sys_sendmsg (net/socket.c:2784)
[   51.288107][  T876]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.288241][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.288373][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.288506][  T876]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.288639][  T876]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.288770][  T876]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.288911][  T876]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.289073][  T876] RIP: 0033:0x7f4575cdb08e
[   51.289210][  T876] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.289680][  T876] RSP: 002b:00007ffd3c82da50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.289889][  T876] RAX: ffffffffffffffda RBX: 00007ffd3c82e1f8 RCX: 00007f4575cdb08e
[   51.290084][  T876] RDX: 0000000000000000 RSI: 00007ffd3c82db00 RDI: 0000000000000005
[   51.290281][  T876] RBP: 00007ffd3c82da60 R08: 0000000000000000 R09: 0000000000000000
[   51.290475][  T876] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.290675][  T876] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3c82e1d0
| [   51.322337][  T877] ------------[ cut here ]------------
| [   51.322482][  T877] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/877
| [   51.322709][  T877] Modules linked in:
| [   51.323096][  T877] Tainted: [W]=WARN
[   51.323194][  T877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.323355][  T877] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.323529][  T877] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.324401][  T877] RSP: 0018:ffa0000002917020 EFLAGS: 00010286
[   51.324574][  T877] RAX: 00000000ffffffa6 RBX: ff110000105f2900 RCX: 1ff4000000522dca
[   51.324767][  T877] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f29bc
[   51.324971][  T877] RBP: ff11000009cd2000 R08: 1fe22000020be539 R09: ff11000009b20b58
[   51.325163][  T877] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   51.325356][  T877] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.325551][  T877] FS:  00007f4540e3b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.325776][  T877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.325947][  T877] CR2: 0000000008653988 CR3: 000000000f073006 CR4: 0000000000771ef0
[   51.326139][  T877] PKRU: 55555554
[   51.326234][  T877] Call Trace:
[   51.326329][  T877]  <TASK>
[   51.326395][  T877]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.326527][  T877]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.326627][  T877]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.326754][  T877]  __dev_notify_flags (net/core/dev.c:9787)
[   51.326893][  T877]  ? netif_change_name (net/core/dev.c:1495)
[   51.327024][  T877]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.327152][  T877]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.327280][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.327407][  T877]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.327541][  T877]  netif_change_flags (net/core/dev.c:9820)
[   51.327672][  T877]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.327807][  T877]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.327945][  T877]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.328074][  T877]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.328234][  T877]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.328362][  T877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.328490][  T877]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.328622][  T877]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.328752][  T877]  ? __kernel_text_address (kernel/extable.c:79)
[   51.328891][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.329021][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.329149][  T877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.329277][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.329406][  T877]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.329537][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.329665][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.329800][  T877]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.329935][  T877]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.330063][  T877]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.330193][  T877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.330323][  T877]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.330455][  T877]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.330588][  T877]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.330719][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.330854][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.330987][  T877]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.331116][  T877]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.331243][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.331373][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.331501][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.331632][  T877]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.331762][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.331904][  T877]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.332033][  T877]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.332161][  T877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.332289][  T877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.332419][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.332553][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.332682][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.332819][  T877]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.332954][  T877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.333084][  T877]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.333215][  T877]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.333343][  T877]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.333473][  T877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.333606][  T877]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.333735][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.333879][  T877]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.334013][  T877]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.334145][  T877]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.334275][  T877]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.334404][  T877]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.334537][  T877]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.334696][  T877]  ? move_addr_to_kernel (net/socket.c:258)
[   51.334832][  T877]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.334966][  T877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.335097][  T877]  ___sys_sendmsg (net/socket.c:2752)
[   51.335225][  T877]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.335384][  T877]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.335528][  T877]  __sys_sendmsg (net/socket.c:2784)
[   51.335657][  T877]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.335790][  T877]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.335957][  T877]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.336085][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.336215][  T877]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.336341][  T877]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.336469][  T877]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.336607][  T877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.336768][  T877] RIP: 0033:0x7f454107508e
[   51.336914][  T877] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.337379][  T877] RSP: 002b:00007fff4be027b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.337578][  T877] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f454107508e
[   51.337772][  T877] RDX: 0000000000000000 RSI: 00007fff4be02860 RDI: 0000000000000005
[   51.337974][  T877] RBP: 00007fff4be027c0 R08: 0000000000000000 R09: 0000000000000000
[   51.338167][  T877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.338358][  T877] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4be02f30
| [   51.431983][  T881] ------------[ cut here ]------------
| [   51.432128][  T881] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/881
| [   51.432351][  T881] Modules linked in:
| [   51.432719][  T881] Tainted: [W]=WARN
[   51.432825][  T881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.432992][  T881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.433160][  T881] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.433617][  T881] RSP: 0018:ffa0000002937020 EFLAGS: 00010286
[   51.433777][  T881] RAX: 00000000ffffffa6 RBX: ff1100000f1b6200 RCX: 1ff4000000526dca
[   51.433980][  T881] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b62bc
[   51.434171][  T881] RBP: ff11000005821000 R08: 1fe2200001e36c59 R09: ff1100000dcf0b58
[   51.434361][  T881] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   51.434556][  T881] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.434751][  T881] FS:  00007fcca5f59840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   51.434990][  T881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.435151][  T881] CR2: 00000000004eba70 CR3: 000000000e6d7003 CR4: 0000000000771ef0
[   51.435342][  T881] PKRU: 55555554
[   51.435437][  T881] Call Trace:
[   51.435537][  T881]  <TASK>
[   51.435603][  T881]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.435735][  T881]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.435838][  T881]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.435972][  T881]  __dev_notify_flags (net/core/dev.c:9787)
[   51.436101][  T881]  ? netif_change_name (net/core/dev.c:1495)
[   51.436229][  T881]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.436358][  T881]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.436486][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.436616][  T881]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.436748][  T881]  netif_change_flags (net/core/dev.c:9820)
[   51.436885][  T881]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.437013][  T881]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.437143][  T881]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.437273][  T881]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.437431][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.437563][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.437691][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.437825][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.438045][  T881]  ? __kernel_text_address (kernel/extable.c:79)
[   51.438175][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.438304][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.438432][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.438564][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.438692][  T881]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.438823][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.439028][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.439156][  T881]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.439285][  T881]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.439415][  T881]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.439549][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.439680][  T881]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.439815][  T881]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.440036][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.440257][  T881]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.440389][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.440519][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.440646][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.440775][  T881]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.440994][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.441127][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.441255][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.441382][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.441515][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.441644][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.441773][  T881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.441972][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.442101][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.442229][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.442359][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.442487][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.442619][  T881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.442749][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.442973][  T881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.443107][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.443237][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.443368][  T881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.443499][  T881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.443632][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.443765][  T881]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.443968][  T881]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.444098][  T881]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.444231][  T881]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.444360][  T881]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.444488][  T881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.444649][  T881]  ? move_addr_to_kernel (net/socket.c:258)
[   51.444784][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.444932][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.445062][  T881]  ___sys_sendmsg (net/socket.c:2752)
[   51.445192][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.445352][  T881]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.445493][  T881]  __sys_sendmsg (net/socket.c:2784)
[   51.445625][  T881]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.445753][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.445927][  T881]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.446056][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.446187][  T881]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.446316][  T881]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.446444][  T881]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.446577][  T881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.446736][  T881] RIP: 0033:0x7fcca619308e
[   51.446881][  T881] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.447340][  T881] RSP: 002b:00007fffcc42b760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.447538][  T881] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcca619308e
[   51.447729][  T881] RDX: 0000000000000000 RSI: 00007fffcc42b810 RDI: 0000000000000005
[   51.447933][  T881] RBP: 00007fffcc42b770 R08: 0000000000000000 R09: 0000000000000000
[   51.448124][  T881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.448315][  T881] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcc42bee0
| [   51.451112][  T881] ------------[ cut here ]------------
| [   51.451241][  T881] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/881
| [   51.451465][  T881] Modules linked in:
| [   51.451845][  T881] Tainted: [W]=WARN
[   51.452004][  T881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.452168][  T881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.452337][  T881] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.452814][  T881] RSP: 0018:ffa0000002936ee0 EFLAGS: 00010286
[   51.453035][  T881] RAX: 00000000ffffffa6 RBX: ff1100000f1b7e00 RCX: 1ff4000000526da2
[   51.453230][  T881] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b7ebc
[   51.453424][  T881] RBP: ff11000005821000 R08: 1fe2200001e36fd9 R09: ff1100000dcf0b58
[   51.453622][  T881] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   51.453823][  T881] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   51.454079][  T881] FS:  00007fcca5f59840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   51.454306][  T881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.454469][  T881] CR2: 00000000004eba70 CR3: 000000000e6d7003 CR4: 0000000000771ef0
[   51.454668][  T881] PKRU: 55555554
[   51.454766][  T881] Call Trace:
[   51.454925][  T881]  <TASK>
[   51.454994][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.455127][  T881]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.455259][  T881]  notifier_call_chain (kernel/notifier.c:85)
[   51.455393][  T881]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   51.455528][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.455660][  T881]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   51.455796][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.455989][  T881]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   51.456123][  T881]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   51.456254][  T881]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   51.456385][  T881]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   51.456518][  T881]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   51.456650][  T881]  br_add_if (net/bridge/br_if.c:619)
[   51.456754][  T881]  do_set_master (net/core/rtnetlink.c:3011)
[   51.456958][  T881]  ? netif_change_flags (net/core/dev.c:9820)
[   51.457092][  T881]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.457226][  T881]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.457358][  T881]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.457521][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.457651][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.457786][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.458008][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.458140][  T881]  ? __kernel_text_address (kernel/extable.c:79)
[   51.458271][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.458404][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.458537][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.458670][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.458807][  T881]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.459012][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.459147][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.459280][  T881]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.459412][  T881]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.459545][  T881]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.459676][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.459813][  T881]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.460009][  T881]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.460144][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.460279][  T881]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.460413][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.460548][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.460680][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.460816][  T881]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.461013][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.461148][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.461279][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.461410][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.461545][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.461678][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.461815][  T881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.462025][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.462157][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.462288][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.462421][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.462553][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.462684][  T881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.462819][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.463071][  T881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.463206][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.463336][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.463472][  T881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.463607][  T881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.463738][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.463880][  T881]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.464013][  T881]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.464146][  T881]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.464278][  T881]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.464408][  T881]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.464546][  T881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.464709][  T881]  ? move_addr_to_kernel (net/socket.c:258)
[   51.464847][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.464985][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.465117][  T881]  ___sys_sendmsg (net/socket.c:2752)
[   51.465248][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.465409][  T881]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.465558][  T881]  __sys_sendmsg (net/socket.c:2784)
[   51.465689][  T881]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.465825][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.465997][  T881]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.466129][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.466261][  T881]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.466392][  T881]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.466527][  T881]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.466658][  T881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.466826][  T881] RIP: 0033:0x7fcca619308e
[   51.466969][  T881] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.467434][  T881] RSP: 002b:00007fffcc42b760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.467637][  T881] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcca619308e
[   51.467841][  T881] RDX: 0000000000000000 RSI: 00007fffcc42b810 RDI: 0000000000000005
[   51.468042][  T881] RBP: 00007fffcc42b770 R08: 0000000000000000 R09: 0000000000000000
[   51.468238][  T881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.468435][  T881] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcc42bee0
| [   51.470218][  T881] ------------[ cut here ]------------
| [   51.470392][  T881] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/881
| [   51.470685][  T881] Modules linked in:
| [   51.471191][  T881] Tainted: [W]=WARN
[   51.471346][  T881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.471573][  T881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.471809][  T881] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.472359][  T881] RSP: 0018:ffa0000002936ea0 EFLAGS: 00010286
[   51.472591][  T881] RAX: 00000000ffffffa6 RBX: ff11000010abbe00 RCX: 1ff4000000526d9a
[   51.472852][  T881] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abbebc
[   51.473120][  T881] RBP: ff11000005821000 R08: 1fe22000021577d9 R09: ff1100000dcf0b58
[   51.473370][  T881] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   51.473634][  T881] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cd2dc0
[   51.473910][  T881] FS:  00007fcca5f59840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   51.474199][  T881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.474417][  T881] CR2: 000055dfdb5e2d5c CR3: 000000000e6d7004 CR4: 0000000000771ef0
[   51.474678][  T881] PKRU: 55555554
[   51.474840][  T881] Call Trace:
[   51.475006][  T881]  <TASK>
[   51.475126][  T881]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.475315][  T881]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.475468][  T881]  __dev_notify_flags (net/core/dev.c:9787)
[   51.475662][  T881]  ? netdev_notice (net/core/dev.c:13008)
[   51.475859][  T881]  ? netif_change_name (net/core/dev.c:1495)
[   51.476060][  T881]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   51.476286][  T881]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   51.476474][  T881]  __dev_set_promiscuity (net/core/dev.c:9630)
[   51.476667][  T881]  netif_set_promiscuity (net/core/dev.c:9639)
[   51.476862][  T881]  dev_set_promiscuity (net/core/dev_api.c:288)
[   51.477063][  T881]  br_port_set_promisc (net/bridge/br_if.c:108)
[   51.477249][  T881]  br_manage_promisc (net/bridge/br_if.c:174)
[   51.477434][  T881]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   51.477631][  T881]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   51.477795][  T881]  do_set_master (net/core/rtnetlink.c:3011)
[   51.477996][  T881]  ? netif_change_flags (net/core/dev.c:9820)
[   51.478184][  T881]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.478372][  T881]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.478564][  T881]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.478791][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.478990][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.479176][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.479360][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.479551][  T881]  ? __kernel_text_address (kernel/extable.c:79)
[   51.479738][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.479947][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.480133][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.480322][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.480508][  T881]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.480697][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.480904][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.481097][  T881]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.481283][  T881]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.481468][  T881]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.481663][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.481863][  T881]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.482062][  T881]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.482251][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.482440][  T881]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.482634][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.482827][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.483025][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.483210][  T881]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.483398][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.483596][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.483787][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.483985][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.484171][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.484359][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.484552][  T881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.484741][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.484947][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.485131][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.485319][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.485503][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.485698][  T881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.485905][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.486092][  T881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.486285][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.486469][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.486665][  T881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.486861][  T881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.487060][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.487248][  T881]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.487436][  T881]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.487632][  T881]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.487827][  T881]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.488024][  T881]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.488212][  T881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.488430][  T881]  ? move_addr_to_kernel (net/socket.c:258)
[   51.488626][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.488820][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.489025][  T881]  ___sys_sendmsg (net/socket.c:2752)
[   51.489210][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.489427][  T881]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.489634][  T881]  __sys_sendmsg (net/socket.c:2784)
[   51.489826][  T881]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.490026][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.490250][  T881]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.490439][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.490632][  T881]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.490826][  T881]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.491023][  T881]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.491209][  T881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.491425][  T881] RIP: 0033:0x7fcca619308e
[   51.491625][  T881] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.492184][  T881] RSP: 002b:00007fffcc42b760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.492438][  T881] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcca619308e
[   51.492696][  T881] RDX: 0000000000000000 RSI: 00007fffcc42b810 RDI: 0000000000000005
[   51.492973][  T881] RBP: 00007fffcc42b770 R08: 0000000000000000 R09: 0000000000000000
[   51.493226][  T881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.493478][  T881] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcc42bee0
| [   51.501126][  T881] ------------[ cut here ]------------
| [   51.501302][  T881] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/881
| [   51.501584][  T881] Modules linked in:
| [   51.502062][  T881] Tainted: [W]=WARN
[   51.502208][  T881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.502417][  T881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.502645][  T881] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.503236][  T881] RSP: 0018:ffa0000002937000 EFLAGS: 00010286
[   51.503500][  T881] RAX: 00000000ffffffa6 RBX: ff1100000ed483c0 RCX: 1ff4000000526dc6
[   51.503808][  T881] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed4847c
[   51.504114][  T881] RBP: ff11000009cd2000 R08: 1fe2200001da9091 R09: ff1100000dcf0b58
[   51.504406][  T881] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   51.504706][  T881] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   51.505023][  T881] FS:  00007fcca5f59840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   51.505364][  T881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.505636][  T881] CR2: 000055dfdb5e2d5c CR3: 000000000e6d7004 CR4: 0000000000771ef0
[   51.505952][  T881] PKRU: 55555554
[   51.506148][  T881] Call Trace:
[   51.506346][  T881]  <TASK>
[   51.506518][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.506753][  T881]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.507007][  T881]  notifier_call_chain (kernel/notifier.c:85)
[   51.507241][  T881]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   51.507472][  T881]  ? __dev_open (./include/net/netdev_lock.h:33)
[   51.507711][  T881]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   51.507961][  T881]  br_add_if (net/bridge/br_if.c:679)
[   51.508167][  T881]  do_set_master (net/core/rtnetlink.c:3011)
[   51.508398][  T881]  ? netif_change_flags (net/core/dev.c:9820)
[   51.508644][  T881]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.508900][  T881]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.509133][  T881]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.509394][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.509633][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.509884][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.510118][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.510354][  T881]  ? __kernel_text_address (kernel/extable.c:79)
[   51.510588][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.510831][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.511072][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.511306][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.511546][  T881]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.511777][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.512031][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.512264][  T881]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.512494][  T881]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.512733][  T881]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.512990][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.513226][  T881]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.513455][  T881]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.513695][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.513957][  T881]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.514192][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.514422][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.514661][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.514915][  T881]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.515147][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.515381][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.515619][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.515860][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.516157][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.516390][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.516592][  T881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.516767][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.516968][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.517145][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.517324][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.517502][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.517690][  T881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.517889][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.518068][  T881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.518249][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.518423][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.518610][  T881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.518801][  T881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.518992][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.519170][  T881]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.519349][  T881]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.519533][  T881]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.519711][  T881]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.519906][  T881]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.520084][  T881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.520293][  T881]  ? move_addr_to_kernel (net/socket.c:258)
[   51.520470][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.520653][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.520840][  T881]  ___sys_sendmsg (net/socket.c:2752)
[   51.521033][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.521243][  T881]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.521436][  T881]  __sys_sendmsg (net/socket.c:2784)
[   51.521621][  T881]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.521805][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.522029][  T881]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.522207][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.522385][  T881]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.522567][  T881]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.522744][  T881]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.522945][  T881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.523153][  T881] RIP: 0033:0x7fcca619308e
[   51.523334][  T881] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.523878][  T881] RSP: 002b:00007fffcc42b760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.524122][  T881] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcca619308e
[   51.524361][  T881] RDX: 0000000000000000 RSI: 00007fffcc42b810 RDI: 0000000000000005
[   51.524609][  T881] RBP: 00007fffcc42b770 R08: 0000000000000000 R09: 0000000000000000
[   51.524856][  T881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.525111][  T881] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcc42bee0
| [   51.527272][  T881] ------------[ cut here ]------------
| [   51.527440][  T881] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/881
| [   51.527715][  T881] Modules linked in:
| [   51.528196][  T881] Tainted: [W]=WARN
[   51.528339][  T881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.528556][  T881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.528771][  T881] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.529371][  T881] RSP: 0018:ffa0000002936f78 EFLAGS: 00010286
[   51.529643][  T881] RAX: 00000000ffffffa6 RBX: ff1100000ed48900 RCX: 1ff4000000526db5
[   51.529960][  T881] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed489bc
[   51.530223][  T881] RBP: ff11000009cd2000 R08: 1fe2200001da9139 R09: ff1100000dcf0b58
[   51.530458][  T881] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   51.530704][  T881] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   51.530971][  T881] FS:  00007fcca5f59840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   51.531241][  T881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.531448][  T881] CR2: 000055dfdb5e2d5c CR3: 000000000e6d7004 CR4: 0000000000771ef0
[   51.531696][  T881] PKRU: 55555554
[   51.531847][  T881] Call Trace:
[   51.532008][  T881]  <TASK>
[   51.532126][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.532302][  T881]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.532480][  T881]  notifier_call_chain (kernel/notifier.c:85)
[   51.532664][  T881]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   51.532896][  T881]  ? netdev_change_features (net/core/dev.c:11117)
[   51.533076][  T881]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   51.533256][  T881]  br_add_if (net/bridge/br_if.c:683)
[   51.533404][  T881]  do_set_master (net/core/rtnetlink.c:3011)
[   51.533591][  T881]  ? netif_change_flags (net/core/dev.c:9820)
[   51.533769][  T881]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.533971][  T881]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.534149][  T881]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.534360][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.534539][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.534719][  T881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.534918][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.535100][  T881]  ? __kernel_text_address (kernel/extable.c:79)
[   51.535277][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.535455][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.535639][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.535826][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.536016][  T881]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.536194][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.536369][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.536552][  T881]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.536730][  T881]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.536930][  T881]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.537111][  T881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.537289][  T881]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.537465][  T881]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.537655][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.537845][  T881]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.538040][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.538216][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.538393][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.538577][  T881]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.538753][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.538954][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.539129][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.539305][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.539482][  T881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.539664][  T881]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.539850][  T881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.540042][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.540220][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.540405][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.540591][  T881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.540766][  T881]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.540967][  T881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.541143][  T881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.541320][  T881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.541500][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.541687][  T881]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.541891][  T881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.542074][  T881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.542251][  T881]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.542429][  T881]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.542617][  T881]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.542804][  T881]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.542997][  T881]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.543179][  T881]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.543354][  T881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.543567][  T881]  ? move_addr_to_kernel (net/socket.c:258)
[   51.543746][  T881]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.543940][  T881]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.544118][  T881]  ___sys_sendmsg (net/socket.c:2752)
[   51.544294][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.544507][  T881]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.544702][  T881]  __sys_sendmsg (net/socket.c:2784)
[   51.544902][  T881]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.545078][  T881]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.545290][  T881]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.545467][  T881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.545654][  T881]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.545843][  T881]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.546035][  T881]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.546213][  T881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.546421][  T881] RIP: 0033:0x7fcca619308e
[   51.546612][  T881] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.547144][  T881] RSP: 002b:00007fffcc42b760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.547385][  T881] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcca619308e
[   51.547630][  T881] RDX: 0000000000000000 RSI: 00007fffcc42b810 RDI: 0000000000000005
[   51.547891][  T881] RBP: 00007fffcc42b770 R08: 0000000000000000 R09: 0000000000000000
[   51.548135][  T881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.548373][  T881] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcc42bee0
| [   51.551362][   T71] ------------[ cut here ]------------
| [   51.551478][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/71
| [   51.551714][   T71] Modules linked in:
| [   51.552129][   T71] Tainted: [W]=WARN
[   51.552219][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.552366][   T71] Workqueue: events_unbound linkwatch_event
[   51.552519][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.552672][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.553108][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   51.553255][   T71] RAX: 00000000ffffffa6 RBX: ff1100000ed49700 RCX: 1ff4000000098f02
[   51.553430][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed497bc
[   51.553607][   T71] RBP: ff11000005821000 R08: 1fe2200001da92f9 R09: ff11000009d32ea8
[   51.553787][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   51.553969][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   51.554146][   T71] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.554352][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.554498][   T71] CR2: 00007f45412d1480 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   51.554678][   T71] PKRU: 55555554
[   51.554767][   T71] Call Trace:
[   51.554861][   T71]  <TASK>
[   51.554929][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.555047][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.555166][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.555256][   T71]  netif_state_change (net/core/dev.c:1605)
[   51.555374][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   51.555526][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   51.555645][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   51.555765][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.555903][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   51.556023][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   51.556142][   T71]  process_one_work (kernel/workqueue.c:3314)
[   51.556269][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   51.556385][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.556512][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.556632][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   51.556750][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   51.556881][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   51.557001][   T71]  kthread (kernel/kthread.c:436)
[   51.557090][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.557239][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.557359][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.557478][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   51.557629][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   51.557747][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.557880][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.559538][   T71] ------------[ cut here ]------------
| [   51.559654][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/71
| [   51.559904][   T71] Modules linked in:
| [   51.560262][   T71] Tainted: [W]=WARN
[   51.560351][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.560499][   T71] Workqueue: events_unbound linkwatch_event
[   51.560655][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.560814][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.561241][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   51.561391][   T71] RAX: 00000000ffffffa6 RBX: ff1100000ed49e00 RCX: 1ff4000000098f02
[   51.561571][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed49ebc
[   51.561747][   T71] RBP: ff11000010091000 R08: 1fe2200001da93d9 R09: ff11000009d32ea8
[   51.561944][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   51.562120][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   51.562304][   T71] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.562515][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.562663][   T71] CR2: 00007f45412d1480 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   51.562848][   T71] PKRU: 55555554
[   51.562940][   T71] Call Trace:
[   51.563029][   T71]  <TASK>
[   51.563090][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.563209][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.563326][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.563425][   T71]  netif_state_change (net/core/dev.c:1605)
[   51.563546][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   51.563694][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   51.563823][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   51.563950][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.564069][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   51.564190][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   51.564308][   T71]  process_one_work (kernel/workqueue.c:3314)
[   51.564431][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   51.564550][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.564677][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.564803][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   51.564925][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   51.565044][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   51.565161][   T71]  kthread (kernel/kthread.c:436)
[   51.565249][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.565394][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.565514][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.565637][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   51.565791][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   51.565915][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.566033][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.594524][  T882] ------------[ cut here ]------------
| [   51.594663][  T882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/882
| [   51.594904][  T882] Modules linked in:
| [   51.595261][  T882] Tainted: [W]=WARN
[   51.595359][  T882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.595523][  T882] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.595687][  T882] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.596148][  T882] RSP: 0018:ffa0000002947150 EFLAGS: 00010286
[   51.596308][  T882] RAX: 00000000ffffffa6 RBX: ff110000049f3000 RCX: 1ff4000000528df0
[   51.596496][  T882] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000049f30bc
[   51.596689][  T882] RBP: ff11000009cd2000 R08: 1fe220000093e619 R09: ff11000010480b58
[   51.596902][  T882] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   51.597093][  T882] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d1991c0
[   51.597284][  T882] FS:  00007f94af5ea840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   51.597509][  T882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.597670][  T882] CR2: 00007f94af951f45 CR3: 000000000e6d7005 CR4: 0000000000771ef0
[   51.597873][  T882] PKRU: 55555554
[   51.597971][  T882] Call Trace:
[   51.598066][  T882]  <TASK>
[   51.598132][  T882]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.598264][  T882]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.598391][  T882]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.598487][  T882]  netif_state_change (net/core/dev.c:1605)
[   51.598617][  T882]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   51.598775][  T882]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   51.598945][  T882]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   51.599074][  T882]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   51.599201][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.599327][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.599453][  T882]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   51.599581][  T882]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.599707][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.599842][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.600088][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.600217][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.600343][  T882]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.600547][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.600674][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.600813][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.601025][  T882]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   51.601152][  T882]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.601279][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.601404][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.601534][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.601663][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.601794][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.601996][  T882]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.602123][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.602249][  T882]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.602378][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.602505][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.602637][  T882]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.602765][  T882]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.602981][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.603110][  T882]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.603238][  T882]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.603366][  T882]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.603493][  T882]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.603623][  T882]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.603749][  T882]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.603962][  T882]  ? move_addr_to_kernel (net/socket.c:258)
[   51.604093][  T882]  ___sys_sendmsg (net/socket.c:2752)
[   51.604219][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.604345][  T882]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.604480][  T882]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   51.604612][  T882]  __sys_sendmsg (net/socket.c:2784)
[   51.604737][  T882]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.604915][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.605041][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.605170][  T882]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.605298][  T882]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.605424][  T882]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.605551][  T882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.605706][  T882] RIP: 0033:0x7f94af82408e
[   51.605844][  T882] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.606296][  T882] RSP: 002b:00007fff0fabeba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.606485][  T882] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94af82408e
[   51.606676][  T882] RDX: 0000000000000000 RSI: 00007fff0fabec50 RDI: 0000000000000006
[   51.606877][  T882] RBP: 00007fff0fabebb0 R08: 0000000000000000 R09: 0000000000000000
[   51.607067][  T882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.607255][  T882] R13: 00007fff0fabed00 R14: 00007fff0fac0948 R15: 00000000fffffff5
| [   51.609844][  T882] ------------[ cut here ]------------
| [   51.609996][  T882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/882
| [   51.610218][  T882] Modules linked in:
| [   51.610581][  T882] Tainted: [W]=WARN
[   51.610678][  T882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.610843][  T882] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.611014][  T882] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.611472][  T882] RSP: 0018:ffa0000002947020 EFLAGS: 00010286
[   51.611636][  T882] RAX: 00000000ffffffa6 RBX: ff110000049f3e00 RCX: 1ff4000000528dca
[   51.611839][  T882] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000049f3ebc
[   51.612038][  T882] RBP: ff11000012639000 R08: 1fe220000093e7d9 R09: ff11000010480b58
[   51.612229][  T882] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   51.612422][  T882] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.612614][  T882] FS:  00007f94af5ea840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.612844][  T882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.613009][  T882] CR2: 00000000004eba78 CR3: 000000000e6d7001 CR4: 0000000000771ef0
[   51.613202][  T882] PKRU: 55555554
[   51.613298][  T882] Call Trace:
[   51.613395][  T882]  <TASK>
[   51.613461][  T882]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.613595][  T882]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.613693][  T882]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.613826][  T882]  __dev_notify_flags (net/core/dev.c:9787)
[   51.613962][  T882]  ? netif_change_name (net/core/dev.c:1495)
[   51.614092][  T882]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.614222][  T882]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.614350][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.614478][  T882]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.614611][  T882]  netif_change_flags (net/core/dev.c:9820)
[   51.614740][  T882]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.614878][  T882]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.615011][  T882]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.615140][  T882]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.615298][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.615424][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.615553][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.615681][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.615816][  T882]  ? __kernel_text_address (kernel/extable.c:79)
[   51.615951][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.616081][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.616209][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.616337][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.616464][  T882]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.616594][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.616721][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.616855][  T882]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.617000][  T882]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.617128][  T882]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.617256][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.617386][  T882]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.617517][  T882]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.617649][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.617786][  T882]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.617924][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.618053][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.618183][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.618309][  T882]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.618436][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.618570][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.618698][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.618834][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.618968][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.619102][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.619231][  T882]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.619360][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.619487][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.619615][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.619746][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.619884][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.620014][  T882]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.620146][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.620275][  T882]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.620406][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.620537][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.620667][  T882]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.620804][  T882]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.620941][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.621070][  T882]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.621199][  T882]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.621328][  T882]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.621457][  T882]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.621587][  T882]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.621716][  T882]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.621888][  T882]  ? move_addr_to_kernel (net/socket.c:258)
[   51.622018][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.622147][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.622277][  T882]  ___sys_sendmsg (net/socket.c:2752)
[   51.622404][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.622566][  T882]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.622710][  T882]  __sys_sendmsg (net/socket.c:2784)
[   51.622845][  T882]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.622977][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.623139][  T882]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.623269][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.623399][  T882]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.623536][  T882]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.623664][  T882]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.623800][  T882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.623966][  T882] RIP: 0033:0x7f94af82408e
[   51.624100][  T882] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.624563][  T882] RSP: 002b:00007fff0fac01b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.624760][  T882] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f94af82408e
[   51.624960][  T882] RDX: 0000000000000000 RSI: 00007fff0fac0260 RDI: 0000000000000005
[   51.625153][  T882] RBP: 00007fff0fac01c0 R08: 0000000000000000 R09: 0000000000000000
[   51.625347][  T882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.625544][  T882] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0fac0930
| [   51.628422][  T882] ------------[ cut here ]------------
| [   51.628556][  T882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/882
| [   51.628788][  T882] Modules linked in:
| [   51.629172][  T882] Tainted: [W]=WARN
[   51.629272][  T882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.629441][  T882] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.629616][  T882] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.630101][  T882] RSP: 0018:ffa0000002946ee0 EFLAGS: 00010286
[   51.630270][  T882] RAX: 00000000ffffffa6 RBX: ff1100000d6583c0 RCX: 1ff4000000528da2
[   51.630469][  T882] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d65847c
[   51.630670][  T882] RBP: ff11000012639000 R08: 1fe2200001acb091 R09: ff11000010480b58
[   51.630881][  T882] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   51.631078][  T882] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   51.631278][  T882] FS:  00007f94af5ea840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.631512][  T882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.631680][  T882] CR2: 00000000004eba78 CR3: 000000000e6d7001 CR4: 0000000000771ef0
[   51.631892][  T882] PKRU: 55555554
[   51.631992][  T882] Call Trace:
[   51.632091][  T882]  <TASK>
[   51.632159][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.632293][  T882]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.632426][  T882]  notifier_call_chain (kernel/notifier.c:85)
[   51.632565][  T882]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   51.632700][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.632840][  T882]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   51.632980][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.633118][  T882]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   51.633251][  T882]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   51.633384][  T882]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   51.633519][  T882]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   51.633654][  T882]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   51.633792][  T882]  br_add_if (net/bridge/br_if.c:619)
[   51.633903][  T882]  do_set_master (net/core/rtnetlink.c:3011)
[   51.634035][  T882]  ? netif_change_flags (net/core/dev.c:9820)
[   51.634170][  T882]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.634305][  T882]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.634440][  T882]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.634611][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.634745][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.634887][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.635019][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.635152][  T882]  ? __kernel_text_address (kernel/extable.c:79)
[   51.635285][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.635422][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.635558][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.635692][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.635829][  T882]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.635968][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.636100][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.636234][  T882]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.636368][  T882]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.636505][  T882]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.636640][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.636775][  T882]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.636917][  T882]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.637052][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.637187][  T882]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.637323][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.637454][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.637588][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.637721][  T882]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.637858][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.637999][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.638130][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.638263][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.638395][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.638534][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.638668][  T882]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.638806][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.638945][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.639079][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.639213][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.639345][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.639479][  T882]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.639617][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.639750][  T882]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.639897][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.640031][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.640165][  T882]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.640299][  T882]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.640432][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.640570][  T882]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.640705][  T882]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.640846][  T882]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.640985][  T882]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.641118][  T882]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.641250][  T882]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.641415][  T882]  ? move_addr_to_kernel (net/socket.c:258)
[   51.641552][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.641687][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.641829][  T882]  ___sys_sendmsg (net/socket.c:2752)
[   51.641967][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.642132][  T882]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.642277][  T882]  __sys_sendmsg (net/socket.c:2784)
[   51.642409][  T882]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.642545][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.642715][  T882]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.642855][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.642995][  T882]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.643128][  T882]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.643260][  T882]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.643393][  T882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.643562][  T882] RIP: 0033:0x7f94af82408e
[   51.643701][  T882] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.644183][  T882] RSP: 002b:00007fff0fac01b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.644391][  T882] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f94af82408e
[   51.644593][  T882] RDX: 0000000000000000 RSI: 00007fff0fac0260 RDI: 0000000000000005
[   51.644795][  T882] RBP: 00007fff0fac01c0 R08: 0000000000000000 R09: 0000000000000000
[   51.645001][  T882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.645202][  T882] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0fac0930
| [   51.646884][  T882] ------------[ cut here ]------------
| [   51.647021][  T882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/882
| [   51.647259][  T882] Modules linked in:
| [   51.647647][  T882] Tainted: [W]=WARN
[   51.647752][  T882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.648606][  T882] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.648858][  T882] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.649419][  T882] RSP: 0018:ffa0000002946ea0 EFLAGS: 00010286
[   51.649598][  T882] RAX: 00000000ffffffa6 RBX: ff1100000d658580 RCX: 1ff4000000528d9a
[   51.649812][  T882] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d65863c
[   51.650083][  T882] RBP: ff11000012639000 R08: 1fe2200001acb0c9 R09: ff11000010480b58
[   51.650291][  T882] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   51.650497][  T882] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cd2dc0
[   51.650711][  T882] FS:  00007f94af5ea840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.651024][  T882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.651199][  T882] CR2: 00000000004eba78 CR3: 000000000e6d7001 CR4: 0000000000771ef0
[   51.651407][  T882] PKRU: 55555554
[   51.651514][  T882] Call Trace:
[   51.651619][  T882]  <TASK>
[   51.651691][  T882]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.651839][  T882]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.652008][  T882]  __dev_notify_flags (net/core/dev.c:9787)
[   51.652149][  T882]  ? netdev_notice (net/core/dev.c:13008)
[   51.652289][  T882]  ? netif_change_name (net/core/dev.c:1495)
[   51.652428][  T882]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   51.652607][  T882]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   51.652748][  T882]  __dev_set_promiscuity (net/core/dev.c:9630)
[   51.652957][  T882]  netif_set_promiscuity (net/core/dev.c:9639)
[   51.653099][  T882]  dev_set_promiscuity (net/core/dev_api.c:288)
[   51.653238][  T882]  br_port_set_promisc (net/bridge/br_if.c:108)
[   51.653377][  T882]  br_manage_promisc (net/bridge/br_if.c:174)
[   51.653518][  T882]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   51.653660][  T882]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   51.653769][  T882]  do_set_master (net/core/rtnetlink.c:3011)
[   51.653973][  T882]  ? netif_change_flags (net/core/dev.c:9820)
[   51.654115][  T882]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.654257][  T882]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.654398][  T882]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.654577][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.654715][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.654861][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.655063][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.655214][  T882]  ? __kernel_text_address (kernel/extable.c:79)
[   51.655354][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.655495][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.655640][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.655786][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.655988][  T882]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.656126][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.656266][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.656405][  T882]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.656551][  T882]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.656690][  T882]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.656833][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.657038][  T882]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.657179][  T882]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.657322][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.657469][  T882]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.657618][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.657760][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.657967][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.658107][  T882]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.658246][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.658388][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.658534][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.658673][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.658820][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.659024][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.659164][  T882]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.659303][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.659442][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.659586][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.659729][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.659935][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.660076][  T882]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.660215][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.660354][  T882]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.660499][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.660643][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.660791][  T882]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.660997][  T882]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.661138][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.661281][  T882]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.661422][  T882]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.661567][  T882]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.661709][  T882]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.661854][  T882]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.662057][  T882]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.662230][  T882]  ? move_addr_to_kernel (net/socket.c:258)
[   51.662371][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.662516][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.662656][  T882]  ___sys_sendmsg (net/socket.c:2752)
[   51.662798][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.663034][  T882]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.663187][  T882]  __sys_sendmsg (net/socket.c:2784)
[   51.663326][  T882]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.663466][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.663645][  T882]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.663789][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.663993][  T882]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.664133][  T882]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.664272][  T882]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.664414][  T882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.664588][  T882] RIP: 0033:0x7f94af82408e
[   51.664732][  T882] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.665296][  T882] RSP: 002b:00007fff0fac01b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.665510][  T882] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f94af82408e
[   51.665718][  T882] RDX: 0000000000000000 RSI: 00007fff0fac0260 RDI: 0000000000000005
[   51.665994][  T882] RBP: 00007fff0fac01c0 R08: 0000000000000000 R09: 0000000000000000
[   51.666202][  T882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.666411][  T882] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0fac0930
| [   51.669238][  T882] ------------[ cut here ]------------
| [   51.669384][  T882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/882
| [   51.669614][  T882] Modules linked in:
| [   51.669995][  T882] Tainted: [W]=WARN
[   51.670093][  T882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.670254][  T882] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.670422][  T882] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.670899][  T882] RSP: 0018:ffa0000002946f78 EFLAGS: 00010286
[   51.671062][  T882] RAX: 00000000ffffffa6 RBX: ff1100000d658e40 RCX: 1ff4000000528db5
[   51.671255][  T882] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d658efc
[   51.671447][  T882] RBP: ff11000009cd2000 R08: 1fe2200001acb1e1 R09: ff11000010480b58
[   51.671643][  T882] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   51.671840][  T882] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   51.672040][  T882] FS:  00007f94af5ea840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   51.672266][  T882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.672429][  T882] CR2: 00007f4540f08574 CR3: 000000000e6d7005 CR4: 0000000000771ef0
[   51.672628][  T882] PKRU: 55555554
[   51.672725][  T882] Call Trace:
[   51.672826][  T882]  <TASK>
[   51.672900][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.673030][  T882]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.673161][  T882]  notifier_call_chain (kernel/notifier.c:85)
[   51.673294][  T882]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   51.673458][  T882]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   51.673623][  T882]  ? netdev_change_features (net/core/dev.c:11117)
[   51.673754][  T882]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   51.673899][  T882]  br_add_if (net/bridge/br_if.c:683)
[   51.674004][  T882]  do_set_master (net/core/rtnetlink.c:3011)
[   51.674134][  T882]  ? netif_change_flags (net/core/dev.c:9820)
[   51.674263][  T882]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.674395][  T882]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.674526][  T882]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.674687][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.674824][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.674960][  T882]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.675089][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.675218][  T882]  ? __kernel_text_address (kernel/extable.c:79)
[   51.675348][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.675480][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.675612][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.675741][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.675881][  T882]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.676010][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.676139][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.676268][  T882]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.676399][  T882]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.676532][  T882]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.676661][  T882]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.676797][  T882]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.676932][  T882]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.677064][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.677197][  T882]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.677327][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.677456][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.677588][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.677717][  T882]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.677852][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.677990][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.678118][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.678246][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.678375][  T882]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.678507][  T882]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.678639][  T882]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.678768][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.678908][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.679036][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.679167][  T882]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.679295][  T882]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.679425][  T882]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.679556][  T882]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.679685][  T882]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.679822][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.679957][  T882]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.680088][  T882]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.680219][  T882]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.680350][  T882]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.680481][  T882]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.680616][  T882]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.680748][  T882]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.680890][  T882]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.681020][  T882]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.681150][  T882]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.681309][  T882]  ? move_addr_to_kernel (net/socket.c:258)
[   51.681440][  T882]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.681573][  T882]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.681705][  T882]  ___sys_sendmsg (net/socket.c:2752)
[   51.681840][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.682006][  T882]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.682148][  T882]  __sys_sendmsg (net/socket.c:2784)
[   51.682277][  T882]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.682407][  T882]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.682574][  T882]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.682705][  T882]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.682840][  T882]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.682974][  T882]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.683103][  T882]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.683232][  T882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.683392][  T882] RIP: 0033:0x7f94af82408e
[   51.683532][  T882] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.684007][  T882] RSP: 002b:00007fff0fac01b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.684203][  T882] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f94af82408e
[   51.684398][  T882] RDX: 0000000000000000 RSI: 00007fff0fac0260 RDI: 0000000000000005
[   51.684595][  T882] RBP: 00007fff0fac01c0 R08: 0000000000000000 R09: 0000000000000000
[   51.684792][  T882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd1f
[   51.684994][  T882] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0fac0930
| [   51.687383][   T36] ------------[ cut here ]------------
| [   51.687501][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   51.687741][   T36] Modules linked in:
| [   51.688119][   T36] Tainted: [W]=WARN
[   51.688209][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.688360][   T36] Workqueue: events_unbound linkwatch_event
[   51.688516][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.688675][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.689107][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   51.689256][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d659c40 RCX: 1ff4000000051f02
[   51.689432][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d659cfc
[   51.689611][   T36] RBP: ff11000012639000 R08: 1fe2200001acb3a1 R09: ff11000001d751a8
[   51.689793][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   51.689975][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   51.690153][   T36] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.690362][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.690514][   T36] CR2: 00000000004eba78 CR3: 000000000e6d7001 CR4: 0000000000771ef0
[   51.690690][   T36] PKRU: 55555554
[   51.690778][   T36] Call Trace:
[   51.690877][   T36]  <TASK>
[   51.690939][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.691058][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.691179][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.691271][   T36]  netif_state_change (net/core/dev.c:1605)
[   51.691391][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   51.691546][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   51.691667][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   51.691792][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.691920][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   51.692037][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   51.692161][   T36]  process_one_work (kernel/workqueue.c:3314)
[   51.692282][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   51.692400][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.692524][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.692645][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   51.692765][   T36]  kthread (kernel/kthread.c:436)
[   51.692861][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.693019][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.693138][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.693257][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   51.693406][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   51.693527][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.693646][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.695322][   T36] ------------[ cut here ]------------
| [   51.695442][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   51.695673][   T36] Modules linked in:
| [   51.696050][   T36] Tainted: [W]=WARN
[   51.696140][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.696288][   T36] Workqueue: events_unbound linkwatch_event
[   51.696439][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.696595][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.697029][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   51.697178][   T36] RAX: 00000000ffffffa6 RBX: ff11000010abb540 RCX: 1ff4000000051f02
[   51.697353][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb5fc
[   51.697533][   T36] RBP: ff1100000ff44000 R08: 1fe22000021576c1 R09: ff11000001d751a8
[   51.697706][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   51.697900][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   51.698081][   T36] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.698292][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.698443][   T36] CR2: 00000000004eba78 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   51.698623][   T36] PKRU: 55555554
[   51.698711][   T36] Call Trace:
[   51.698803][   T36]  <TASK>
[   51.698865][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.698999][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   51.699117][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.699207][   T36]  netif_state_change (net/core/dev.c:1605)
[   51.699326][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   51.699474][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   51.699594][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   51.699712][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.699838][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   51.699961][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   51.700081][   T36]  process_one_work (kernel/workqueue.c:3314)
[   51.700203][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   51.700320][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.700443][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.700568][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   51.700686][   T36]  kthread (kernel/kthread.c:436)
[   51.700775][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.700934][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.701053][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.701171][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   51.701318][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   51.701437][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   51.701559][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.785932][  T885] ------------[ cut here ]------------
| [   51.786085][  T885] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/885
| [   51.786318][  T885] Modules linked in:
| [   51.786694][  T885] Tainted: [W]=WARN
[   51.786802][  T885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.786976][  T885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.787150][  T885] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.787623][  T885] RSP: 0018:ffa00000029771b0 EFLAGS: 00010286
[   51.787797][  T885] RAX: 00000000ffffffa6 RBX: ff1100000d52fa80 RCX: 1ff400000052edfc
[   51.788004][  T885] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52fb3c
[   51.788202][  T885] RBP: ff1100001025a000 R08: 1fe2200001aa5f69 R09: ff110000107c8b80
[   51.788400][  T885] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   51.788601][  T885] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[   51.788806][  T885] FS:  00007fef22865840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.789044][  T885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.789209][  T885] CR2: 00000000004a04a0 CR3: 0000000009960001 CR4: 0000000000771ef0
[   51.789408][  T885] PKRU: 55555554
[   51.789510][  T885] Call Trace:
[   51.789611][  T885]  <TASK>
[   51.789680][  T885]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.789820][  T885]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.789929][  T885]  __dev_notify_flags (net/core/dev.c:9787)
[   51.790064][  T885]  ? netif_change_name (net/core/dev.c:1495)
[   51.790198][  T885]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.790363][  T885]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   51.790496][  T885]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   51.790633][  T885]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   51.790769][  T885]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   51.790916][  T885]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   51.791048][  T885]  ? __dev_get_by_name (net/core/dev.c:883)
[   51.791179][  T885]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   51.791319][  T885]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   51.791457][  T885]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.791595][  T885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.791727][  T885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.791872][  T885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.792005][  T885]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.792135][  T885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.792271][  T885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.792404][  T885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.792540][  T885]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.792672][  T885]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.792808][  T885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.792947][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.793081][  T885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.793211][  T885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.793343][  T885]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.793474][  T885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.793609][  T885]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.793744][  T885]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.793884][  T885]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.794020][  T885]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.794155][  T885]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.794288][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.794421][  T885]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.794556][  T885]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.794690][  T885]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.794831][  T885]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.794972][  T885]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.795104][  T885]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.795267][  T885]  ? move_addr_to_kernel (net/socket.c:258)
[   51.795402][  T885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.795538][  T885]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   51.795672][  T885]  ___sys_sendmsg (net/socket.c:2752)
[   51.795809][  T885]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[   51.795948][  T885]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.796084][  T885]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   51.796220][  T885]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   51.796354][  T885]  __sys_sendmsg (net/socket.c:2784)
[   51.796488][  T885]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.796628][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.796760][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.796899][  T885]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.797032][  T885]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.797164][  T885]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.797297][  T885]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.797461][  T885] RIP: 0033:0x7fef22a9f08e
[   51.797603][  T885] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.798083][  T885] RSP: 002b:00007fff5815d7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.798285][  T885] RAX: ffffffffffffffda RBX: 00007fff5815df98 RCX: 00007fef22a9f08e
[   51.798484][  T885] RDX: 0000000000000000 RSI: 00007fff5815d8a0 RDI: 0000000000000005
[   51.798683][  T885] RBP: 00007fff5815d800 R08: 0000000000000000 R09: 0000000000000000
[   51.798894][  T885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   51.799092][  T885] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5815df70
| [   51.830570][  T886] ------------[ cut here ]------------
| [   51.830714][  T886] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/886
| [   51.830961][  T886] Modules linked in:
| [   51.831322][  T886] Tainted: [W]=WARN
[   51.831419][  T886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.831584][  T886] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.831752][  T886] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.832225][  T886] RSP: 0018:ffa0000002987020 EFLAGS: 00010286
[   51.832390][  T886] RAX: 00000000ffffffa6 RBX: ff1100000d52e040 RCX: 1ff4000000530dca
[   51.832588][  T886] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e0fc
[   51.832786][  T886] RBP: ff1100001025a000 R08: 1fe2200001aa5c21 R09: ff110000107cae58
[   51.833249][  T886] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   51.833442][  T886] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.833639][  T886] FS:  00007fb8dd667840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.833880][  T886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.834042][  T886] CR2: 0000000011de0988 CR3: 000000000dcca003 CR4: 0000000000771ef0
[   51.834236][  T886] PKRU: 55555554
[   51.834331][  T886] Call Trace:
[   51.834427][  T886]  <TASK>
[   51.834493][  T886]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   51.834627][  T886]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.834760][  T886]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.834860][  T886]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.835053][  T886]  __dev_notify_flags (net/core/dev.c:9787)
[   51.835185][  T886]  ? netif_change_name (net/core/dev.c:1495)
[   51.835313][  T886]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.835441][  T886]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.835572][  T886]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.835703][  T886]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.835839][  T886]  netif_change_flags (net/core/dev.c:9820)
[   51.836025][  T886]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.836156][  T886]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.836286][  T886]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.836416][  T886]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.836580][  T886]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.836708][  T886]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.836843][  T886]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.837048][  T886]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.837264][  T886]  ? __kernel_text_address (kernel/extable.c:79)
[   51.837393][  T886]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.837525][  T886]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.837653][  T886]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.837787][  T886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.838002][  T886]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.838130][  T886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.838258][  T886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.838387][  T886]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.838519][  T886]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.838649][  T886]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.838785][  T886]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.838991][  T886]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.839124][  T886]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.839256][  T886]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.839387][  T886]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.839518][  T886]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.839647][  T886]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.839775][  T886]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.839985][  T886]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.840117][  T886]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.840245][  T886]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.840373][  T886]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.840503][  T886]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.840643][  T886]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.840772][  T886]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.840996][  T886]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.841128][  T886]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.841257][  T886]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.841389][  T886]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.841520][  T886]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.841650][  T886]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.841780][  T886]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.841936][  T886]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.842069][  T886]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.842201][  T886]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.842332][  T886]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.842463][  T886]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.842597][  T886]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.842727][  T886]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.842862][  T886]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.842997][  T886]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.843130][  T886]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.843259][  T886]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.843390][  T886]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.843551][  T886]  ? move_addr_to_kernel (net/socket.c:258)
[   51.843682][  T886]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.843815][  T886]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.843951][  T886]  ___sys_sendmsg (net/socket.c:2752)
[   51.844081][  T886]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.844242][  T886]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.844384][  T886]  __sys_sendmsg (net/socket.c:2784)
[   51.844518][  T886]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.844648][  T886]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.844818][  T886]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.844955][  T886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.845087][  T886]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.845217][  T886]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.845346][  T886]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.845475][  T886]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.845638][  T886] RIP: 0033:0x7fb8dd8a108e
[   51.845772][  T886] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.846242][  T886] RSP: 002b:00007ffe6fc48470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.846437][  T886] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb8dd8a108e
[   51.846635][  T886] RDX: 0000000000000000 RSI: 00007ffe6fc48520 RDI: 0000000000000005
[   51.846834][  T886] RBP: 00007ffe6fc48480 R08: 0000000000000000 R09: 0000000000000000
[   51.847033][  T886] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   51.847226][  T886] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6fc48bf0
| [   51.932800][  T889] ------------[ cut here ]------------
| [   51.933430][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/889
| [   51.933665][  T889] Modules linked in:
| [   51.934039][  T889] Tainted: [W]=WARN
[   51.934136][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.934299][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.934466][  T889] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.934938][  T889] RSP: 0018:ffa00000029b7020 EFLAGS: 00010286
[   51.935101][  T889] RAX: 00000000ffffffa6 RBX: ff1100000c503000 RCX: 1ff4000000536dca
[   51.935292][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5030bc
[   51.935484][  T889] RBP: ff11000008321000 R08: 1fe22000018a0619 R09: ff11000012502e58
[   51.935676][  T889] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   51.936226][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.936426][  T889] FS:  00007f5d5cd0d840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   51.936654][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.936823][  T889] CR2: 00000000004eba70 CR3: 000000000de4a002 CR4: 0000000000771ef0
[   51.937069][  T889] PKRU: 55555554
[   51.937167][  T889] Call Trace:
[   51.937264][  T889]  <TASK>
[   51.937332][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.937464][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.937566][  T889]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.937695][  T889]  __dev_notify_flags (net/core/dev.c:9787)
[   51.937831][  T889]  ? netif_change_name (net/core/dev.c:1495)
[   51.937966][  T889]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.938100][  T889]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.938230][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.938360][  T889]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.938492][  T889]  netif_change_flags (net/core/dev.c:9820)
[   51.938626][  T889]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.938756][  T889]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.938902][  T889]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.939034][  T889]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.939193][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.939321][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.939450][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.939582][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.939710][  T889]  ? __kernel_text_address (kernel/extable.c:79)
[   51.939845][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.939981][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.940109][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.940238][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.940366][  T889]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.940493][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.940624][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.940754][  T889]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.940895][  T889]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.941024][  T889]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.941154][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.941284][  T889]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.941412][  T889]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.941547][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.941678][  T889]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.941815][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.941952][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.942082][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.942211][  T889]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.942338][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.942468][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.942600][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.942728][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.942860][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.942996][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.943125][  T889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.943254][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.943382][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.943513][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.943644][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.943771][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.943911][  T889]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.944040][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.944169][  T889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.944300][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.944428][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.944563][  T889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.944693][  T889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.944830][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.944965][  T889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.945094][  T889]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.945224][  T889]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.945355][  T889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.945483][  T889]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.945613][  T889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.945771][  T889]  ? move_addr_to_kernel (net/socket.c:258)
[   51.945914][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.946044][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.946175][  T889]  ___sys_sendmsg (net/socket.c:2752)
[   51.946303][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.946463][  T889]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.946609][  T889]  __sys_sendmsg (net/socket.c:2784)
[   51.946737][  T889]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.946878][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.947040][  T889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.947170][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.947300][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.947428][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.947560][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.947688][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.947852][  T889] RIP: 0033:0x7f5d5cf4708e
[   51.947992][  T889] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.948449][  T889] RSP: 002b:00007ffc501f8160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.948646][  T889] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d5cf4708e
[   51.948843][  T889] RDX: 0000000000000000 RSI: 00007ffc501f8210 RDI: 0000000000000005
[   51.949043][  T889] RBP: 00007ffc501f8170 R08: 0000000000000000 R09: 0000000000000000
[   51.949234][  T889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   51.949426][  T889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc501f88e0
| [   51.952351][  T889] ------------[ cut here ]------------
| [   51.952481][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/889
| [   51.952707][  T889] Modules linked in:
| [   51.953087][  T889] Tainted: [W]=WARN
[   51.953187][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.953350][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.953520][  T889] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.953997][  T889] RSP: 0018:ffa00000029b6ee0 EFLAGS: 00010286
[   51.954161][  T889] RAX: 00000000ffffffa6 RBX: ff1100000c503700 RCX: 1ff4000000536da2
[   51.954353][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5037bc
[   51.954550][  T889] RBP: ff11000008321000 R08: 1fe22000018a06f9 R09: ff11000012502e58
[   51.954743][  T889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   51.954951][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.955146][  T889] FS:  00007f5d5cd0d840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   51.955372][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.955539][  T889] CR2: 00007fb8dd734574 CR3: 000000000de4a005 CR4: 0000000000771ef0
[   51.955735][  T889] PKRU: 55555554
[   51.955840][  T889] Call Trace:
[   51.955944][  T889]  <TASK>
[   51.956012][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.956143][  T889]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.956274][  T889]  notifier_call_chain (kernel/notifier.c:85)
[   51.956406][  T889]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   51.956540][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.956672][  T889]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   51.956809][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.956949][  T889]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   51.957080][  T889]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   51.957210][  T889]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   51.957340][  T889]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   51.957471][  T889]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   51.957605][  T889]  br_add_if (net/bridge/br_if.c:619)
[   51.957706][  T889]  do_set_master (net/core/rtnetlink.c:3011)
[   51.957841][  T889]  ? netif_change_flags (net/core/dev.c:9820)
[   51.957977][  T889]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.958109][  T889]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.958240][  T889]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.958402][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.958537][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.958667][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.958804][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.958941][  T889]  ? __kernel_text_address (kernel/extable.c:79)
[   51.959072][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.959204][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.959334][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.959466][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.959599][  T889]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.959728][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.959864][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.960003][  T889]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.960135][  T889]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.960265][  T889]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.960395][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.960532][  T889]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.960662][  T889]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.960798][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.960939][  T889]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.961072][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.961202][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.961332][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.961463][  T889]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.961598][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.961731][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.961871][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.962001][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.962133][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.962265][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.962397][  T889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.962531][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.962662][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.962797][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.962936][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.963067][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.963199][  T889]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.963330][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.963461][  T889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.963600][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.963731][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.963874][  T889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.964007][  T889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.964138][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.964270][  T889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.964401][  T889]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.964538][  T889]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.964670][  T889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.964806][  T889]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.964942][  T889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.965103][  T889]  ? move_addr_to_kernel (net/socket.c:258)
[   51.965235][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.965365][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.965499][  T889]  ___sys_sendmsg (net/socket.c:2752)
[   51.965631][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.965796][  T889]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.965944][  T889]  __sys_sendmsg (net/socket.c:2784)
[   51.966076][  T889]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.966206][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.966371][  T889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.966504][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.966639][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.966769][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.966911][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.967041][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.967202][  T889] RIP: 0033:0x7f5d5cf4708e
[   51.967339][  T889] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.967813][  T889] RSP: 002b:00007ffc501f8160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.968013][  T889] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d5cf4708e
[   51.968208][  T889] RDX: 0000000000000000 RSI: 00007ffc501f8210 RDI: 0000000000000005
[   51.968404][  T889] RBP: 00007ffc501f8170 R08: 0000000000000000 R09: 0000000000000000
[   51.968602][  T889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   51.968804][  T889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc501f88e0
| [   51.970455][  T889] ------------[ cut here ]------------
| [   51.970589][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/889
| [   51.970828][  T889] Modules linked in:
| [   51.971214][  T889] Tainted: [W]=WARN
[   51.971316][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.971486][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.971664][  T889] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.972160][  T889] RSP: 0018:ffa00000029b6ea0 EFLAGS: 00010286
[   51.972332][  T889] RAX: 00000000ffffffa6 RBX: ff1100000c5038c0 RCX: 1ff4000000536d9a
[   51.972540][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c50397c
[   51.972744][  T889] RBP: ff11000008321000 R08: 1fe22000018a0731 R09: ff11000012502e58
[   51.972977][  T889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   51.973183][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001025adc0
[   51.973392][  T889] FS:  00007f5d5cd0d840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   51.973637][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.973819][  T889] CR2: 00007fb8dd734574 CR3: 000000000de4a005 CR4: 0000000000771ef0
[   51.974029][  T889] PKRU: 55555554
[   51.974132][  T889] Call Trace:
[   51.974233][  T889]  <TASK>
[   51.974303][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.974441][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.974549][  T889]  __dev_notify_flags (net/core/dev.c:9787)
[   51.974686][  T889]  ? netdev_notice (net/core/dev.c:13008)
[   51.974831][  T889]  ? netif_change_name (net/core/dev.c:1495)
[   51.974973][  T889]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   51.975145][  T889]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   51.975283][  T889]  __dev_set_promiscuity (net/core/dev.c:9630)
[   51.975421][  T889]  netif_set_promiscuity (net/core/dev.c:9639)
[   51.975657][  T889]  dev_set_promiscuity (net/core/dev_api.c:288)
[   51.975800][  T889]  br_port_set_promisc (net/bridge/br_if.c:108)
[   51.975941][  T889]  br_manage_promisc (net/bridge/br_if.c:174)
[   51.976078][  T889]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   51.976311][  T889]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   51.976417][  T889]  do_set_master (net/core/rtnetlink.c:3011)
[   51.976554][  T889]  ? netif_change_flags (net/core/dev.c:9820)
[   51.976692][  T889]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.976937][  T889]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.977077][  T889]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.977247][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.977384][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.977620][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.977755][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.977902][  T889]  ? __kernel_text_address (kernel/extable.c:79)
[   51.978041][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.978273][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.978409][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.978550][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.978688][  T889]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.978928][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.979063][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.979200][  T889]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.979339][  T889]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.979572][  T889]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.979709][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.979854][  T889]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.979994][  T889]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.980229][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.980368][  T889]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.980509][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.980647][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.980887][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.981023][  T889]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.981158][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.981296][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.981530][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.981666][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.981809][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.981951][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.982184][  T889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.982320][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.982456][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.982596][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.982831][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.982974][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.983113][  T889]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.983250][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.983481][  T889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.983624][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.983760][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.983911][  T889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.984144][  T889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.984284][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.984423][  T889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.984566][  T889]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.984802][  T889]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.984946][  T889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.985085][  T889]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.985222][  T889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.985487][  T889]  ? move_addr_to_kernel (net/socket.c:258)
[   51.985630][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.985768][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.986010][  T889]  ___sys_sendmsg (net/socket.c:2752)
[   51.986148][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.986318][  T889]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.986467][  T889]  __sys_sendmsg (net/socket.c:2784)
[   51.986702][  T889]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.986846][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.987022][  T889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.987160][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.987392][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.987531][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.987666][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.987808][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.987984][  T889] RIP: 0033:0x7f5d5cf4708e
[   51.988127][  T889] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.988716][  T889] RSP: 002b:00007ffc501f8160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.988932][  T889] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d5cf4708e
[   51.989236][  T889] RDX: 0000000000000000 RSI: 00007ffc501f8210 RDI: 0000000000000005
[   51.989441][  T889] RBP: 00007ffc501f8170 R08: 0000000000000000 R09: 0000000000000000
[   51.989650][  T889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   51.989960][  T889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc501f88e0
| [   51.992512][  T889] ------------[ cut here ]------------
| [   51.992643][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/889
| [   51.992967][  T889] Modules linked in:
| [   51.993328][  T889] Tainted: [W]=WARN
[   51.993426][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.993679][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.993852][  T889] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.994338][  T889] RSP: 0018:ffa00000029b7000 EFLAGS: 00010286
[   51.994507][  T889] RAX: 00000000ffffffa6 RBX: ff1100000e6ee580 RCX: 1ff4000000536dc6
[   51.994701][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6ee63c
[   51.994905][  T889] RBP: ff1100001025a000 R08: 1fe2200001cddcc9 R09: ff11000012502e58
[   51.995098][  T889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   51.995289][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.995482][  T889] FS:  00007f5d5cd0d840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   51.995711][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.995881][  T889] CR2: 00007fb8dd734574 CR3: 000000000de4a005 CR4: 0000000000771ef0
[   51.996074][  T889] PKRU: 55555554
[   51.996169][  T889] Call Trace:
[   51.996264][  T889]  <TASK>
[   51.996331][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.996458][  T889]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   51.996590][  T889]  notifier_call_chain (kernel/notifier.c:85)
[   51.996726][  T889]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   51.996870][  T889]  ? __dev_open (./include/net/netdev_lock.h:33)
[   51.997001][  T889]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   51.997132][  T889]  br_add_if (net/bridge/br_if.c:679)
[   51.997233][  T889]  do_set_master (net/core/rtnetlink.c:3011)
[   51.997362][  T889]  ? netif_change_flags (net/core/dev.c:9820)
[   51.997492][  T889]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   51.997630][  T889]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.997763][  T889]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.997935][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.998064][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.998192][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.998319][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.998450][  T889]  ? __kernel_text_address (kernel/extable.c:79)
[   51.998583][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.998713][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.998846][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.998979][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.999107][  T889]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.999235][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.999364][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.999492][  T889]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.999626][  T889]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.999755][  T889]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.999895][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.000026][  T889]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.000156][  T889]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.000287][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.000419][  T889]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.000552][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.000680][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.000816][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.000950][  T889]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.001080][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.001210][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.001338][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.001467][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.001601][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.001731][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.001874][  T889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.002003][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.002131][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.002259][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.002391][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.002522][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.002652][  T889]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.002788][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.002923][  T889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.003057][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.003185][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.003316][  T889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.003446][  T889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.003582][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.003712][  T889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.003848][  T889]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.003983][  T889]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.004113][  T889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.004243][  T889]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.004372][  T889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.004538][  T889]  ? move_addr_to_kernel (net/socket.c:258)
[   52.004669][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.004804][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.004939][  T889]  ___sys_sendmsg (net/socket.c:2752)
[   52.005068][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.005229][  T889]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.005376][  T889]  __sys_sendmsg (net/socket.c:2784)
[   52.005508][  T889]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.005637][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.005805][  T889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.005939][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.006069][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.006199][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.006328][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.006456][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.006621][  T889] RIP: 0033:0x7f5d5cf4708e
[   52.006755][  T889] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.007224][  T889] RSP: 002b:00007ffc501f8160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.007420][  T889] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d5cf4708e
[   52.007614][  T889] RDX: 0000000000000000 RSI: 00007ffc501f8210 RDI: 0000000000000005
[   52.007813][  T889] RBP: 00007ffc501f8170 R08: 0000000000000000 R09: 0000000000000000
[   52.008017][  T889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.008210][  T889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc501f88e0
| [   52.020323][  T889] ------------[ cut here ]------------
| [   52.020457][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/889
| [   52.020684][  T889] Modules linked in:
| [   52.021053][  T889] Tainted: [W]=WARN
[   52.021150][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.021312][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.021478][  T889] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.021953][  T889] RSP: 0018:ffa00000029b6f78 EFLAGS: 00010286
[   52.022117][  T889] RAX: 00000000ffffffa6 RBX: ff1100000e6eeac0 RCX: 1ff4000000536db5
[   52.022307][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6eeb7c
[   52.022499][  T889] RBP: ff1100001025a000 R08: 1fe2200001cddd71 R09: ff11000012502e58
[   52.022698][  T889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   52.022905][  T889] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   52.023098][  T889] FS:  00007f5d5cd0d840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   52.023325][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.023485][  T889] CR2: 00007fb8dd734574 CR3: 000000000de4a005 CR4: 0000000000771ef0
[   52.023679][  T889] PKRU: 55555554
[   52.023776][  T889] Call Trace:
[   52.023880][  T889]  <TASK>
[   52.023949][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.024082][  T889]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   52.024210][  T889]  notifier_call_chain (kernel/notifier.c:85)
[   52.024343][  T889]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   52.024511][  T889]  ? netdev_change_features (net/core/dev.c:11117)
[   52.024644][  T889]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   52.024776][  T889]  br_add_if (net/bridge/br_if.c:683)
[   52.024884][  T889]  do_set_master (net/core/rtnetlink.c:3011)
[   52.025014][  T889]  ? netif_change_flags (net/core/dev.c:9820)
[   52.025145][  T889]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   52.025276][  T889]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.025407][  T889]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.025575][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.025704][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.025839][  T889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.025973][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.026102][  T889]  ? __kernel_text_address (kernel/extable.c:79)
[   52.026234][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.026366][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.026495][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.026629][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.026761][  T889]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.026898][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.027027][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.027156][  T889]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.027288][  T889]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.027418][  T889]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.027550][  T889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.027682][  T889]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.027819][  T889]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.027956][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.028089][  T889]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.028220][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.028350][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.028481][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.028612][  T889]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.028742][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.028885][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.029014][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.029142][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.029270][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.029402][  T889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.029535][  T889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.029664][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.029798][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.029932][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.030063][  T889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.030192][  T889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.030321][  T889]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.030450][  T889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.030582][  T889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.030715][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.030849][  T889]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.030985][  T889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.031117][  T889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.031246][  T889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.031377][  T889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.031511][  T889]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.031641][  T889]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.031773][  T889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.031915][  T889]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.032046][  T889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.032209][  T889]  ? move_addr_to_kernel (net/socket.c:258)
[   52.032341][  T889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.032469][  T889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.032603][  T889]  ___sys_sendmsg (net/socket.c:2752)
[   52.032733][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.032905][  T889]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.033049][  T889]  __sys_sendmsg (net/socket.c:2784)
[   52.033180][  T889]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.033308][  T889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.033471][  T889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.033603][  T889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.033733][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.033871][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.034000][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.034129][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.034290][  T889] RIP: 0033:0x7f5d5cf4708e
[   52.034424][  T889] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.034897][  T889] RSP: 002b:00007ffc501f8160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.035092][  T889] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d5cf4708e
[   52.035287][  T889] RDX: 0000000000000000 RSI: 00007ffc501f8210 RDI: 0000000000000005
[   52.035479][  T889] RBP: 00007ffc501f8170 R08: 0000000000000000 R09: 0000000000000000
[   52.035674][  T889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.035876][  T889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc501f88e0
| [   52.037818][   T36] ------------[ cut here ]------------
| [   52.037954][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   52.038193][   T36] Modules linked in:
| [   52.038557][   T36] Tainted: [W]=WARN
[   52.038651][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.038806][   T36] Workqueue: events_unbound linkwatch_event
[   52.038980][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.039134][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.039570][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   52.039720][   T36] RAX: 00000000ffffffa6 RBX: ff1100000e6ef540 RCX: 1ff4000000051f02
[   52.039917][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6ef5fc
[   52.040097][   T36] RBP: ff110000126c9000 R08: 1fe2200001cddec1 R09: ff11000001d751a8
[   52.040275][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   52.040449][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.040629][   T36] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   52.040843][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.040997][   T36] CR2: 00007f82c9bec574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   52.041174][   T36] PKRU: 55555554
[   52.041261][   T36] Call Trace:
[   52.041348][   T36]  <TASK>
[   52.041410][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.041531][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.041650][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.041740][   T36]  netif_state_change (net/core/dev.c:1605)
[   52.041873][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.042024][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   52.042141][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.042260][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.042381][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.042497][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   52.042619][   T36]  process_one_work (kernel/workqueue.c:3314)
[   52.042742][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.042870][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.042993][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.043115][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.043240][   T36]  kthread (kernel/kthread.c:436)
[   52.043329][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.043474][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.043595][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.043715][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.043873][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.043994][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.044112][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.065813][  T890] ------------[ cut here ]------------
| [   52.065965][  T890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/890
| [   52.066188][  T890] Modules linked in:
| [   52.066548][  T890] Tainted: [W]=WARN
[   52.066647][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.066813][  T890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.066985][  T890] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.067436][  T890] RSP: 0018:ffa00000029b7150 EFLAGS: 00010286
[   52.067602][  T890] RAX: 00000000ffffffa6 RBX: ff1100000b963e00 RCX: 1ff4000000536df0
[   52.067799][  T890] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b963ebc
[   52.067996][  T890] RBP: ff1100001025a000 R08: 1fe220000172c7d9 R09: ff11000012505158
[   52.068186][  T890] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   52.068377][  T890] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000056026c0
[   52.068571][  T890] FS:  00007f9966c8f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   52.068798][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.068963][  T890] CR2: 00000000004ec908 CR3: 0000000009550004 CR4: 0000000000771ef0
[   52.069155][  T890] PKRU: 55555554
[   52.069251][  T890] Call Trace:
[   52.069345][  T890]  <TASK>
[   52.069411][  T890]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.069542][  T890]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.069669][  T890]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.069767][  T890]  netif_state_change (net/core/dev.c:1605)
[   52.069912][  T890]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   52.070041][  T890]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.070197][  T890]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[   52.070324][  T890]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   52.070481][  T890]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   52.070610][  T890]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   52.070736][  T890]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   52.070876][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.071003][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.071128][  T890]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   52.071254][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.071379][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.071507][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.071652][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.071780][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.071924][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.072050][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.072175][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.072305][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.072432][  T890]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   52.072563][  T890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.072689][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.072825][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.072958][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.073086][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.073212][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.073339][  T890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.073467][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.073597][  T890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.073726][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.073860][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.073997][  T890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.074124][  T890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.074253][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.074381][  T890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.074512][  T890]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.074641][  T890]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.074770][  T890]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.074908][  T890]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.075035][  T890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.075197][  T890]  ? move_addr_to_kernel (net/socket.c:258)
[   52.075323][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.075451][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.075611][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.075738][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.075910][  T890]  ___sys_sendmsg (net/socket.c:2752)
[   52.076039][  T890]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.076166][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.076301][  T890]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   52.076426][  T890]  ? do_getsockname (net/socket.c:2192)
[   52.076555][  T890]  __sys_sendmsg (net/socket.c:2784)
[   52.076684][  T890]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.076819][  T890]  ? __sys_getsockname (net/socket.c:2210)
[   52.076951][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.077079][  T890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.077206][  T890]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.077332][  T890]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.077458][  T890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.077618][  T890] RIP: 0033:0x7f9966ec908e
[   52.077753][  T890] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.078221][  T890] RSP: 002b:00007fffdc808960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.078412][  T890] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9966ec908e
[   52.078607][  T890] RDX: 0000000000000000 RSI: 00007fffdc808a10 RDI: 0000000000000006
[   52.078798][  T890] RBP: 00007fffdc808970 R08: 0000000000000000 R09: 0000000000000000
[   52.078992][  T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.079181][  T890] R13: 00007fffdc808ac0 R14: 00007fffdc80a708 R15: 00000000fffffff5
| [   52.081487][  T890] ------------[ cut here ]------------
| [   52.081619][  T890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/890
| [   52.081846][  T890] Modules linked in:
| [   52.082955][  T890] Tainted: [W]=WARN
[   52.083054][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.083213][  T890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.083385][  T890] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.083851][  T890] RSP: 0018:ffa00000029b7020 EFLAGS: 00010286
[   52.084018][  T890] RAX: 00000000ffffffa6 RBX: ff1100000a16b8c0 RCX: 1ff4000000536dca
[   52.084209][  T890] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b97c
[   52.084404][  T890] RBP: ff11000010099000 R08: 1fe220000142d731 R09: ff11000012505158
[   52.084600][  T890] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   52.084797][  T890] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.084997][  T890] FS:  00007f9966c8f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   52.085225][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.085385][  T890] CR2: 00000000004eba78 CR3: 0000000009550004 CR4: 0000000000771ef0
[   52.085582][  T890] PKRU: 55555554
[   52.085678][  T890] Call Trace:
[   52.085773][  T890]  <TASK>
[   52.085846][  T890]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.085980][  T890]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.086080][  T890]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.086210][  T890]  __dev_notify_flags (net/core/dev.c:9787)
[   52.086340][  T890]  ? netif_change_name (net/core/dev.c:1495)
[   52.086470][  T890]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.086603][  T890]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.086731][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.086872][  T890]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   52.087007][  T890]  netif_change_flags (net/core/dev.c:9820)
[   52.087136][  T890]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.087265][  T890]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.087396][  T890]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.087529][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.087690][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.087825][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.087960][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.088088][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.088216][  T890]  ? __kernel_text_address (kernel/extable.c:79)
[   52.088345][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.088475][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.088608][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.088739][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.088881][  T890]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.089009][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.089137][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.089265][  T890]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.089394][  T890]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.089528][  T890]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.089657][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.089792][  T890]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.089930][  T890]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.090061][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.090193][  T890]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.090323][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.090453][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.090582][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.090710][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.090846][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.090985][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.091114][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.091243][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.091373][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.091503][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.091635][  T890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.091764][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.091907][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.092035][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.092166][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.092293][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.092422][  T890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.092552][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.092681][  T890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.092818][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.092956][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.093087][  T890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.093216][  T890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.093345][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.093475][  T890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.093609][  T890]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.093738][  T890]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.093883][  T890]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.094012][  T890]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.094140][  T890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.094299][  T890]  ? move_addr_to_kernel (net/socket.c:258)
[   52.094430][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.094563][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.094695][  T890]  ___sys_sendmsg (net/socket.c:2752)
[   52.094832][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.094998][  T890]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.095139][  T890]  __sys_sendmsg (net/socket.c:2784)
[   52.095268][  T890]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.095396][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.095563][  T890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.095693][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.095828][  T890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.095963][  T890]  ? irq_exit_rcu (kernel/softirq.c:754)
[   52.096092][  T890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.096251][  T890] RIP: 0033:0x7f9966ec908e
[   52.096387][  T890] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.096852][  T890] RSP: 002b:00007fffdc809f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.097053][  T890] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9966ec908e
[   52.097248][  T890] RDX: 0000000000000000 RSI: 00007fffdc80a020 RDI: 0000000000000005
[   52.097442][  T890] RBP: 00007fffdc809f80 R08: 0000000000000000 R09: 0000000000000000
[   52.097641][  T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.097840][  T890] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc80a6f0
| [   52.117154][  T890] ------------[ cut here ]------------
| [   52.117330][  T890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/890
| [   52.117613][  T890] Modules linked in:
| [   52.118098][  T890] Tainted: [W]=WARN
[   52.118246][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.118458][  T890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.118687][  T890] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.119229][  T890] RSP: 0018:ffa00000029b6ee0 EFLAGS: 00010286
[   52.119445][  T890] RAX: 00000000ffffffa6 RBX: ff1100000a16b000 RCX: 1ff4000000536da2
[   52.119696][  T890] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b0bc
[   52.119964][  T890] RBP: ff11000010099000 R08: 1fe220000142d619 R09: ff11000012505158
[   52.120209][  T890] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   52.120453][  T890] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   52.120709][  T890] FS:  00007f9966c8f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   52.121007][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.121222][  T890] CR2: 000055dfdb5e2d5c CR3: 0000000009550006 CR4: 0000000000771ef0
[   52.121478][  T890] PKRU: 55555554
[   52.121628][  T890] Call Trace:
[   52.121772][  T890]  <TASK>
[   52.121907][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.122085][  T890]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   52.122267][  T890]  notifier_call_chain (kernel/notifier.c:85)
[   52.122448][  T890]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   52.122636][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.122824][  T890]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   52.123019][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.123203][  T890]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   52.123384][  T890]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   52.123570][  T890]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   52.123751][  T890]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   52.123950][  T890]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   52.124129][  T890]  br_add_if (net/bridge/br_if.c:619)
[   52.124280][  T890]  do_set_master (net/core/rtnetlink.c:3011)
[   52.124458][  T890]  ? netif_change_flags (net/core/dev.c:9820)
[   52.124648][  T890]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   52.124840][  T890]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.125048][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.125260][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.125438][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.125624][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.125808][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.126003][  T890]  ? __kernel_text_address (kernel/extable.c:79)
[   52.126183][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.126366][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.126551][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.126732][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.126934][  T890]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.127111][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.127289][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.127468][  T890]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.127660][  T890]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.127846][  T890]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.128040][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.128220][  T890]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.128398][  T890]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.128590][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.128776][  T890]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.128980][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.129161][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.129339][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.129520][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.129700][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.129904][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.130082][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.130261][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.130441][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.130630][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.130820][  T890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.131017][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.131196][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.131373][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.131560][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.131738][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.131946][  T890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.132127][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.132306][  T890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.132488][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.132672][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.132862][  T890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.133056][  T890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.133235][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.133417][  T890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.133605][  T890]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.133794][  T890]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.133985][  T890]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.134164][  T890]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.134342][  T890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.134558][  T890]  ? move_addr_to_kernel (net/socket.c:258)
[   52.134743][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.134944][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.135126][  T890]  ___sys_sendmsg (net/socket.c:2752)
[   52.135304][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.135518][  T890]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.135713][  T890]  __sys_sendmsg (net/socket.c:2784)
[   52.135917][  T890]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.136100][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.136314][  T890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.136494][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.136683][  T890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.136887][  T890]  ? irq_exit_rcu (kernel/softirq.c:754)
[   52.137069][  T890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.137281][  T890] RIP: 0033:0x7f9966ec908e
[   52.137464][  T890] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.138008][  T890] RSP: 002b:00007fffdc809f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.138257][  T890] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9966ec908e
[   52.138504][  T890] RDX: 0000000000000000 RSI: 00007fffdc80a020 RDI: 0000000000000005
[   52.138755][  T890] RBP: 00007fffdc809f80 R08: 0000000000000000 R09: 0000000000000000
[   52.139022][  T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.139268][  T890] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc80a6f0
| [   52.141417][  T890] ------------[ cut here ]------------
| [   52.141600][  T890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/890
| [   52.141918][  T890] Modules linked in:
| [   52.142394][  T890] Tainted: [W]=WARN
[   52.142552][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.142772][  T890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.143620][  T890] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.144247][  T890] RSP: 0018:ffa00000029b6ea0 EFLAGS: 00010286
[   52.144538][  T890] RAX: 00000000ffffffa6 RBX: ff1100000a16be00 RCX: 1ff4000000536d9a
[   52.144858][  T890] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bebc
[   52.145188][  T890] RBP: ff11000010099000 R08: 1fe220000142d7d9 R09: ff11000012505158
[   52.145501][  T890] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   52.145828][  T890] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001025adc0
[   52.146157][  T890] FS:  00007f9966c8f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   52.146511][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.146806][  T890] CR2: 000055dfdb5e2d5c CR3: 0000000009550006 CR4: 0000000000771ef0
[   52.147103][  T890] PKRU: 55555554
[   52.147252][  T890] Call Trace:
[   52.147404][  T890]  <TASK>
[   52.147526][  T890]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.147717][  T890]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.147900][  T890]  __dev_notify_flags (net/core/dev.c:9787)
[   52.148092][  T890]  ? netdev_notice (net/core/dev.c:13008)
[   52.148281][  T890]  ? netif_change_name (net/core/dev.c:1495)
[   52.148468][  T890]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   52.148701][  T890]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   52.148913][  T890]  __dev_set_promiscuity (net/core/dev.c:9630)
[   52.149105][  T890]  netif_set_promiscuity (net/core/dev.c:9639)
[   52.149296][  T890]  dev_set_promiscuity (net/core/dev_api.c:288)
[   52.149485][  T890]  br_port_set_promisc (net/bridge/br_if.c:108)
[   52.149677][  T890]  br_manage_promisc (net/bridge/br_if.c:174)
[   52.149892][  T890]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   52.150083][  T890]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   52.150242][  T890]  do_set_master (net/core/rtnetlink.c:3011)
[   52.150430][  T890]  ? netif_change_flags (net/core/dev.c:9820)
[   52.150631][  T890]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   52.150830][  T890]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.151029][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.151251][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.151438][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.151633][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.151828][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.152029][  T890]  ? __kernel_text_address (kernel/extable.c:79)
[   52.152218][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.152408][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.152602][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.152798][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.153002][  T890]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.153190][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.153378][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.153577][  T890]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.153767][  T890]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.153979][  T890]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.154169][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.154361][  T890]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.154555][  T890]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.154747][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.154959][  T890]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.155151][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.155337][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.155531][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.155719][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.155931][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.156124][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.156310][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.156500][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.156696][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.156906][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.157096][  T890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.157286][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.157474][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.157667][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.157880][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.158073][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.158264][  T890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.158453][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.158651][  T890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.158853][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.159057][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.159252][  T890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.159447][  T890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.159641][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.159840][  T890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.160047][  T890]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.160239][  T890]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.160428][  T890]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.160626][  T890]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.160821][  T890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.161058][  T890]  ? move_addr_to_kernel (net/socket.c:258)
[   52.161248][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.161437][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.161633][  T890]  ___sys_sendmsg (net/socket.c:2752)
[   52.161828][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.162063][  T890]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.162267][  T890]  __sys_sendmsg (net/socket.c:2784)
[   52.162458][  T890]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.162655][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.162905][  T890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.163096][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.163287][  T890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.163475][  T890]  ? irq_exit_rcu (kernel/softirq.c:754)
[   52.163669][  T890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.163915][  T890] RIP: 0033:0x7f9966ec908e
[   52.164107][  T890] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.164652][  T890] RSP: 002b:00007fffdc809f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.164933][  T890] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9966ec908e
[   52.165188][  T890] RDX: 0000000000000000 RSI: 00007fffdc80a020 RDI: 0000000000000005
[   52.165442][  T890] RBP: 00007fffdc809f80 R08: 0000000000000000 R09: 0000000000000000
[   52.165701][  T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.165977][  T890] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc80a6f0
| [   52.175655][  T890] ------------[ cut here ]------------
| [   52.175841][  T890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/890
| [   52.176128][  T890] Modules linked in:
| [   52.176601][  T890] Tainted: [W]=WARN
[   52.176746][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.176980][  T890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.177200][  T890] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.177717][  T890] RSP: 0018:ffa00000029b7000 EFLAGS: 00010286
[   52.177949][  T890] RAX: 00000000ffffffa6 RBX: ff1100000fe91a80 RCX: 1ff4000000536dc6
[   52.178192][  T890] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe91b3c
[   52.178434][  T890] RBP: ff1100001025a000 R08: 1fe2200001fd2369 R09: ff11000012505158
[   52.178683][  T890] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   52.178949][  T890] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   52.179193][  T890] FS:  00007f9966c8f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   52.179471][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.179688][  T890] CR2: 000055dfdb5e2d5c CR3: 0000000009550006 CR4: 0000000000771ef0
[   52.179951][  T890] PKRU: 55555554
[   52.180096][  T890] Call Trace:
[   52.180241][  T890]  <TASK>
[   52.180355][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.180534][  T890]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   52.180717][  T890]  notifier_call_chain (kernel/notifier.c:85)
[   52.180921][  T890]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   52.181103][  T890]  ? __dev_open (./include/net/netdev_lock.h:33)
[   52.181280][  T890]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   52.181458][  T890]  br_add_if (net/bridge/br_if.c:679)
[   52.181617][  T890]  do_set_master (net/core/rtnetlink.c:3011)
[   52.181803][  T890]  ? netif_change_flags (net/core/dev.c:9820)
[   52.181996][  T890]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   52.182180][  T890]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.182359][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.182578][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.182755][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.182951][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.183130][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.183309][  T890]  ? __kernel_text_address (kernel/extable.c:79)
[   52.183490][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.183676][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.183861][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.184053][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.184233][  T890]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.184409][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.184594][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.184775][  T890]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.184977][  T890]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.185153][  T890]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.185331][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.185512][  T890]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.185694][  T890]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.185895][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.186077][  T890]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.186259][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.186434][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.186621][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.186806][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.186997][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.187177][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.187354][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.187539][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.187717][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.187920][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.188102][  T890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.188280][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.188456][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.188640][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.188827][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.189019][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.189199][  T890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.189376][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.189559][  T890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.189741][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.189939][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.190120][  T890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.190299][  T890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.190480][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.190664][  T890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.190854][  T890]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.191048][  T890]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.191227][  T890]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.191406][  T890]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.191590][  T890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.191809][  T890]  ? move_addr_to_kernel (net/socket.c:258)
[   52.192004][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.192183][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.192363][  T890]  ___sys_sendmsg (net/socket.c:2752)
[   52.192544][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.192755][  T890]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.192965][  T890]  __sys_sendmsg (net/socket.c:2784)
[   52.193148][  T890]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.193324][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.193538][  T890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.193718][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.193920][  T890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.194101][  T890]  ? irq_exit_rcu (kernel/softirq.c:754)
[   52.194279][  T890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.194491][  T890] RIP: 0033:0x7f9966ec908e
[   52.194684][  T890] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.195213][  T890] RSP: 002b:00007fffdc809f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.195455][  T890] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9966ec908e
[   52.195706][  T890] RDX: 0000000000000000 RSI: 00007fffdc80a020 RDI: 0000000000000005
[   52.195969][  T890] RBP: 00007fffdc809f80 R08: 0000000000000000 R09: 0000000000000000
[   52.196209][  T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.196449][  T890] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc80a6f0
| [   52.198438][  T890] ------------[ cut here ]------------
| [   52.198616][  T890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/890
| [   52.198913][  T890] Modules linked in:
| [   52.199365][  T890] Tainted: [W]=WARN
[   52.199511][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.199724][  T890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.199971][  T890] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.200493][  T890] RSP: 0018:ffa00000029b6f78 EFLAGS: 00010286
[   52.200711][  T890] RAX: 00000000ffffffa6 RBX: ff1100000ee51e00 RCX: 1ff4000000536db5
[   52.200969][  T890] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51ebc
[   52.201212][  T890] RBP: ff1100001025a000 R08: 1fe2200001dca3d9 R09: ff11000012505158
[   52.201453][  T890] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   52.201701][  T890] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   52.201963][  T890] FS:  00007f9966c8f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   52.202241][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.202451][  T890] CR2: 000055dfdb5e2d5c CR3: 0000000009550006 CR4: 0000000000771ef0
[   52.202700][  T890] PKRU: 55555554
[   52.202852][  T890] Call Trace:
[   52.203010][  T890]  <TASK>
[   52.203126][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.203307][  T890]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   52.203492][  T890]  notifier_call_chain (kernel/notifier.c:85)
[   52.203682][  T890]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   52.203919][  T890]  ? netdev_change_features (net/core/dev.c:11117)
[   52.204102][  T890]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   52.204282][  T890]  br_add_if (net/bridge/br_if.c:683)
[   52.204433][  T890]  do_set_master (net/core/rtnetlink.c:3011)
[   52.204618][  T890]  ? netif_change_flags (net/core/dev.c:9820)
[   52.204808][  T890]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   52.205004][  T890]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.205185][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.205396][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.205584][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.205762][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.205962][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.206144][  T890]  ? __kernel_text_address (kernel/extable.c:79)
[   52.206324][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.206505][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.206691][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.206893][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.207074][  T890]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.207252][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.207433][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.207620][  T890]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.207806][  T890]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.207998][  T890]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.208179][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.208360][  T890]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.208542][  T890]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.208727][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.208937][  T890]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.209122][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.209299][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.209478][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.209661][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.209851][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.210048][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.210229][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.210408][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.210594][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.210775][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.210980][  T890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.211160][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.211339][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.211521][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.211707][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.211906][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.212087][  T890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.212266][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.212446][  T890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.212636][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.212822][  T890]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.213018][  T890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.213202][  T890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.213382][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.213569][  T890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.213750][  T890]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.213948][  T890]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.214128][  T890]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.214306][  T890]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.214488][  T890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.214702][  T890]  ? move_addr_to_kernel (net/socket.c:258)
[   52.214906][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.215086][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.215266][  T890]  ___sys_sendmsg (net/socket.c:2752)
[   52.215446][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.215663][  T890]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.215884][  T890]  __sys_sendmsg (net/socket.c:2784)
[   52.216065][  T890]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.216242][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.216455][  T890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.216644][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.216832][  T890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.217021][  T890]  ? irq_exit_rcu (kernel/softirq.c:754)
[   52.217203][  T890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.217414][  T890] RIP: 0033:0x7f9966ec908e
[   52.217604][  T890] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.218135][  T890] RSP: 002b:00007fffdc809f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.218380][  T890] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9966ec908e
[   52.218626][  T890] RDX: 0000000000000000 RSI: 00007fffdc80a020 RDI: 0000000000000005
[   52.218891][  T890] RBP: 00007fffdc809f80 R08: 0000000000000000 R09: 0000000000000000
[   52.219132][  T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.219375][  T890] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdc80a6f0
| [   52.222286][   T36] ------------[ cut here ]------------
| [   52.222403][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   52.222635][   T36] Modules linked in:
| [   52.223010][   T36] Tainted: [W]=WARN
[   52.223100][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.223252][   T36] Workqueue: events_unbound linkwatch_event
[   52.223405][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.223566][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.223999][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   52.224148][   T36] RAX: 00000000ffffffa6 RBX: ff110000109b8e40 RCX: 1ff4000000051f02
[   52.224324][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8efc
[   52.224499][   T36] RBP: ff11000010099000 R08: 1fe22000021371e1 R09: ff11000001d751a8
[   52.224679][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   52.224859][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.225043][   T36] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   52.225249][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.225398][   T36] CR2: 00000000004eba78 CR3: 0000000009550004 CR4: 0000000000771ef0
[   52.225577][   T36] PKRU: 55555554
[   52.225665][   T36] Call Trace:
[   52.225752][   T36]  <TASK>
[   52.225818][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.225940][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.226059][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.226150][   T36]  netif_state_change (net/core/dev.c:1605)
[   52.226269][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.226416][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   52.226536][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.226654][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.226773][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.226903][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   52.227022][   T36]  process_one_work (kernel/workqueue.c:3314)
[   52.227142][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.227261][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.227388][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.227512][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.227633][   T36]  kthread (kernel/kthread.c:436)
[   52.227722][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.227879][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.227997][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.228117][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.228262][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.228380][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.228497][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.230137][   T36] ------------[ cut here ]------------
| [   52.230252][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   52.230480][   T36] Modules linked in:
| [   52.230851][   T36] Tainted: [W]=WARN
[   52.230947][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.231094][   T36] Workqueue: events_unbound linkwatch_event
[   52.231248][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.231400][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.231827][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   52.231991][   T36] RAX: 00000000ffffffa6 RBX: ff1100000a9a78c0 RCX: 1ff4000000051f02
[   52.232172][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a797c
[   52.232346][   T36] RBP: ff1100000ef0c000 R08: 1fe2200001534f31 R09: ff11000001d751a8
[   52.232529][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   52.232704][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.232892][   T36] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   52.233098][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.233247][   T36] CR2: 00000000004eba78 CR3: 0000000009550004 CR4: 0000000000771ef0
[   52.233423][   T36] PKRU: 55555554
[   52.233514][   T36] Call Trace:
[   52.233602][   T36]  <TASK>
[   52.233667][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.233792][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.233916][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.234040][   T36]  netif_state_change (net/core/dev.c:1605)
[   52.234161][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.234308][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   52.234429][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.234547][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.234667][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.234790][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   52.234913][   T36]  process_one_work (kernel/workqueue.c:3314)
[   52.235035][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.235152][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.235274][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.235395][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.235515][   T36]  kthread (kernel/kthread.c:436)
[   52.235603][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.235747][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.235880][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.235997][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.236144][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.236260][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.236378][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.238132][   T36] ------------[ cut here ]------------
| [   52.238250][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   52.238480][   T36] Modules linked in:
| [   52.238846][   T36] Tainted: [W]=WARN
[   52.239250][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.239397][   T36] Workqueue: events_unbound linkwatch_event
[   52.239549][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.239701][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.240184][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   52.240331][   T36] RAX: 00000000ffffffa6 RBX: ff1100000a9a7e00 RCX: 1ff4000000051f02
[   52.240505][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a7ebc
[   52.240683][   T36] RBP: ff1100001025a000 R08: 1fe2200001534fd9 R09: ff11000001d751a8
[   52.240861][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   52.241093][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.241275][   T36] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   52.241481][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.241631][   T36] CR2: 00000000004eba78 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   52.241813][   T36] PKRU: 55555554
[   52.241950][   T36] Call Trace:
[   52.242038][   T36]  <TASK>
[   52.242099][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.242218][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.242337][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.242426][   T36]  netif_state_change (net/core/dev.c:1605)
[   52.242552][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.242704][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   52.242825][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.242993][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.243114][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.243278][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   52.243397][   T36]  process_one_work (kernel/workqueue.c:3314)
[   52.243524][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.243641][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.243767][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.243945][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.244063][   T36]  kthread (kernel/kthread.c:436)
[   52.244151][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.244297][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.244414][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.244534][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.244679][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.244798][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.244965][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.437842][  T897] ------------[ cut here ]------------
| [   52.438006][  T897] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/897
| [   52.438244][  T897] Modules linked in:
| [   52.438621][  T897] Tainted: [W]=WARN
[   52.438722][  T897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.438901][  T897] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.439075][  T897] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.439554][  T897] RSP: 0018:ffa0000002a171b0 EFLAGS: 00010286
[   52.439725][  T897] RAX: 00000000ffffffa6 RBX: ff1100000fe95540 RCX: 1ff4000000542dfc
[   52.439935][  T897] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe955fc
[   52.440134][  T897] RBP: ff110000092cc000 R08: 1fe2200001fd2ac1 R09: ff11000012562e80
[   52.440334][  T897] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   52.440538][  T897] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   52.440739][  T897] FS:  00007fe1db6b2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   52.440981][  T897] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.441148][  T897] CR2: 00000000004a2860 CR3: 000000000ecbf006 CR4: 0000000000771ef0
[   52.441346][  T897] PKRU: 55555554
[   52.441446][  T897] Call Trace:
[   52.441549][  T897]  <TASK>
[   52.441620][  T897]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.441755][  T897]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.441862][  T897]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   52.442001][  T897]  __dev_notify_flags (net/core/dev.c:9787)
[   52.442136][  T897]  ? netif_change_name (net/core/dev.c:1495)
[   52.442268][  T897]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   52.442405][  T897]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   52.442543][  T897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.442677][  T897]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   52.442816][  T897]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   52.442957][  T897]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.443093][  T897]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   52.443228][  T897]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   52.443363][  T897]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.443497][  T897]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.443634][  T897]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.443774][  T897]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.443920][  T897]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.444057][  T897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.444189][  T897]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.444322][  T897]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.444454][  T897]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.444587][  T897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.444725][  T897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.444864][  T897]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.445004][  T897]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.445137][  T897]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.445270][  T897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.445402][  T897]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.445541][  T897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.445674][  T897]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.445814][  T897]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.445954][  T897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.446087][  T897]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.446224][  T897]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.446357][  T897]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.446493][  T897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.446630][  T897]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.446766][  T897]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.446911][  T897]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.447046][  T897]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.447180][  T897]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.447315][  T897]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.447447][  T897]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.447582][  T897]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.447747][  T897]  ? move_addr_to_kernel (net/socket.c:258)
[   52.447904][  T897]  ___sys_sendmsg (net/socket.c:2752)
[   52.448038][  T897]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.448180][  T897]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.448351][  T897]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   52.448487][  T897]  __sys_sendmsg (net/socket.c:2784)
[   52.448622][  T897]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.448760][  T897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.448907][  T897]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.449039][  T897]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.449172][  T897]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.449304][  T897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.449468][  T897] RIP: 0033:0x7fe1db8ec08e
[   52.449611][  T897] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.450095][  T897] RSP: 002b:00007fffa3533e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.450296][  T897] RAX: ffffffffffffffda RBX: 00007fffa35345a8 RCX: 00007fe1db8ec08e
[   52.450494][  T897] RDX: 0000000000000000 RSI: 00007fffa3533eb0 RDI: 0000000000000005
[   52.450696][  T897] RBP: 00007fffa3533e10 R08: 0000000000000000 R09: 0000000000000000
[   52.450903][  T897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.451103][  T897] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa3534580
| [   52.485799][  T898] ------------[ cut here ]------------
| [   52.486625][  T898] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/898
| [   52.486859][  T898] Modules linked in:
| [   52.487272][  T898] Tainted: [W]=WARN
[   52.487369][  T898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.487536][  T898] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.487706][  T898] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.488172][  T898] RSP: 0018:ffa0000002a27020 EFLAGS: 00010286
[   52.488334][  T898] RAX: 00000000ffffffa6 RBX: ff1100000f1b6900 RCX: 1ff4000000544dca
[   52.488529][  T898] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b69bc
[   52.488721][  T898] RBP: ff110000092cc000 R08: 1fe2200001e36d39 R09: ff11000012560b58
[   52.488924][  T898] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   52.489116][  T898] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.489310][  T898] FS:  00007f281619c840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   52.489539][  T898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.489700][  T898] CR2: 000000003a1f6988 CR3: 00000000099fa005 CR4: 0000000000771ef0
[   52.489900][  T898] PKRU: 55555554
[   52.489997][  T898] Call Trace:
[   52.490093][  T898]  <TASK>
[   52.490160][  T898]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.490292][  T898]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.490389][  T898]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.490520][  T898]  __dev_notify_flags (net/core/dev.c:9787)
[   52.490651][  T898]  ? netif_change_name (net/core/dev.c:1495)
[   52.490781][  T898]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.490922][  T898]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.491050][  T898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.491184][  T898]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   52.491314][  T898]  netif_change_flags (net/core/dev.c:9820)
[   52.491444][  T898]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.491577][  T898]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.491709][  T898]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.491846][  T898]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.492013][  T898]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.492143][  T898]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.492273][  T898]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.492400][  T898]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.492535][  T898]  ? __kernel_text_address (kernel/extable.c:79)
[   52.492666][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.492800][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.492936][  T898]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.493069][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.493198][  T898]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.493326][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.493455][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.493586][  T898]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.493716][  T898]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.493851][  T898]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.493988][  T898]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.494117][  T898]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.494249][  T898]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.494380][  T898]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.494515][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.494643][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.494772][  T898]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.494912][  T898]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.495043][  T898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.495173][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.495302][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.495431][  T898]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.495564][  T898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.495696][  T898]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.495830][  T898]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.495967][  T898]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.496095][  T898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.496223][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.496353][  T898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.496480][  T898]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.496613][  T898]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.496741][  T898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.496882][  T898]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.497017][  T898]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.497147][  T898]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.497279][  T898]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.497411][  T898]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.497545][  T898]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.497676][  T898]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.497811][  T898]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.497947][  T898]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.498077][  T898]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.498206][  T898]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.498335][  T898]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.498495][  T898]  ? move_addr_to_kernel (net/socket.c:258)
[   52.498630][  T898]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.498759][  T898]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.498902][  T898]  ___sys_sendmsg (net/socket.c:2752)
[   52.499031][  T898]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.499192][  T898]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.499334][  T898]  __sys_sendmsg (net/socket.c:2784)
[   52.499464][  T898]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.499596][  T898]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.499759][  T898]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.499897][  T898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.500028][  T898]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.500157][  T898]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.500286][  T898]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.500416][  T898]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.500581][  T898] RIP: 0033:0x7f28163d608e
[   52.500716][  T898] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.501188][  T898] RSP: 002b:00007ffd1363d820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.501383][  T898] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f28163d608e
[   52.501579][  T898] RDX: 0000000000000000 RSI: 00007ffd1363d8d0 RDI: 0000000000000005
[   52.501772][  T898] RBP: 00007ffd1363d830 R08: 0000000000000000 R09: 0000000000000000
[   52.501975][  T898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.502168][  T898] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1363dfa0
| [   52.637933][  T903] ------------[ cut here ]------------
| [   52.638086][  T903] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/903
| [   52.638318][  T903] Modules linked in:
| [   52.638692][  T903] Tainted: [W]=WARN
[   52.638800][  T903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.639333][  T903] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.639512][  T903] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.640000][  T903] RSP: 0018:ffa0000002a771b0 EFLAGS: 00010286
[   52.640169][  T903] RAX: 00000000ffffffa6 RBX: ff1100000e5d0040 RCX: 1ff400000054edfc
[   52.640368][  T903] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5d00fc
[   52.640573][  T903] RBP: ff1100000ff79000 R08: 1fe2200001cba021 R09: ff11000008e52e80
[   52.640770][  T903] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   52.640979][  T903] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   52.641178][  T903] FS:  00007fdd92a55840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   52.641411][  T903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.641582][  T903] CR2: 00000000004a2860 CR3: 000000000ecbf001 CR4: 0000000000771ef0
[   52.641788][  T903] PKRU: 55555554
[   52.641893][  T903] Call Trace:
[   52.641993][  T903]  <TASK>
[   52.642062][  T903]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.642200][  T903]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.642302][  T903]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.642435][  T903]  __dev_notify_flags (net/core/dev.c:9787)
[   52.642573][  T903]  ? netif_change_name (net/core/dev.c:1495)
[   52.642706][  T903]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.642844][  T903]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.642981][  T903]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.643112][  T903]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.643247][  T903]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   52.643382][  T903]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   52.643519][  T903]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   52.643652][  T903]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   52.643792][  T903]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   52.643930][  T903]  ? __dev_get_by_name (net/core/dev.c:883)
[   52.644063][  T903]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   52.644201][  T903]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   52.644337][  T903]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.644472][  T903]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.644607][  T903]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.644738][  T903]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.644879][  T903]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.645011][  T903]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.645149][  T903]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.645286][  T903]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.645421][  T903]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.645555][  T903]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.645689][  T903]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.645828][  T903]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.645969][  T903]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.646102][  T903]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.646236][  T903]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.646371][  T903]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.646506][  T903]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.646646][  T903]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.646779][  T903]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.646926][  T903]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.647062][  T903]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.647196][  T903]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.647332][  T903]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.647465][  T903]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.647603][  T903]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.647738][  T903]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.647881][  T903]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.648015][  T903]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.648179][  T903]  ? move_addr_to_kernel (net/socket.c:258)
[   52.648317][  T903]  ___sys_sendmsg (net/socket.c:2752)
[   52.648452][  T903]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.648590][  T903]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.648761][  T903]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   52.648904][  T903]  __sys_sendmsg (net/socket.c:2784)
[   52.649038][  T903]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.649175][  T903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.649311][  T903]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.649445][  T903]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.649581][  T903]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.649715][  T903]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.649890][  T903] RIP: 0033:0x7fdd92c8f08e
[   52.650029][  T903] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.650503][  T903] RSP: 002b:00007ffc288edca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.650707][  T903] RAX: ffffffffffffffda RBX: 00007ffc288ee448 RCX: 00007fdd92c8f08e
[   52.650913][  T903] RDX: 0000000000000000 RSI: 00007ffc288edd50 RDI: 0000000000000005
[   52.651111][  T903] RBP: 00007ffc288edcb0 R08: 0000000000000000 R09: 0000000000000000
[   52.651309][  T903] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.651510][  T903] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc288ee420
| [   52.682134][  T904] ------------[ cut here ]------------
| [   52.682279][  T904] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/904
| [   52.682500][  T904] Modules linked in:
| [   52.682888][  T904] Tainted: [W]=WARN
[   52.682987][  T904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.683148][  T904] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.683320][  T904] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.683780][  T904] RSP: 0018:ffa0000002a87020 EFLAGS: 00010286
[   52.683955][  T904] RAX: 00000000ffffffa6 RBX: ff11000010abb000 RCX: 1ff4000000550dca
[   52.684145][  T904] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb0bc
[   52.684336][  T904] RBP: ff1100000ff79000 R08: 1fe2200002157619 R09: ff11000008e50b58
[   52.684532][  T904] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   52.684722][  T904] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   52.684928][  T904] FS:  00007f84063c1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   52.685152][  T904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.685313][  T904] CR2: 00007f84066911a0 CR3: 000000000ecbf005 CR4: 0000000000771ef0
[   52.685507][  T904] PKRU: 55555554
[   52.685606][  T904] Call Trace:
[   52.685702][  T904]  <TASK>
[   52.685769][  T904]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.685910][  T904]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.686008][  T904]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   52.686138][  T904]  __dev_notify_flags (net/core/dev.c:9787)
[   52.686268][  T904]  ? netif_change_name (net/core/dev.c:1495)
[   52.686397][  T904]  ? __dev_change_flags (net/core/dev.c:9752)
[   52.686531][  T904]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   52.686658][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.686793][  T904]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   52.686933][  T904]  netif_change_flags (net/core/dev.c:9820)
[   52.687062][  T904]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.687191][  T904]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   52.687321][  T904]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.687451][  T904]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.687615][  T904]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.687742][  T904]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.687963][  T904]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.688146][  T904]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.688276][  T904]  ? __kernel_text_address (kernel/extable.c:79)
[   52.688404][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.688538][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.688666][  T904]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.688802][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.689019][  T904]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.689147][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.689274][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.689402][  T904]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.689533][  T904]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.689662][  T904]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.689797][  T904]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.690012][  T904]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.690146][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.690277][  T904]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.690408][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.690538][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.690667][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.690799][  T904]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.691012][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.691141][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.691268][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.691394][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.691525][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.691654][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.691782][  T904]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.691956][  T904]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.692084][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.692212][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.692341][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.692466][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.692599][  T904]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.692726][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.692861][  T904]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.692998][  T904]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.693125][  T904]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.693255][  T904]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.693386][  T904]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.693518][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.693647][  T904]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.693777][  T904]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.693918][  T904]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.694048][  T904]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.694176][  T904]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.694306][  T904]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.694462][  T904]  ? move_addr_to_kernel (net/socket.c:258)
[   52.694595][  T904]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.694722][  T904]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.694857][  T904]  ___sys_sendmsg (net/socket.c:2752)
[   52.694992][  T904]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.695153][  T904]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.695293][  T904]  __sys_sendmsg (net/socket.c:2784)
[   52.695422][  T904]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.695550][  T904]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.695712][  T904]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.695846][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.695978][  T904]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.696105][  T904]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.696233][  T904]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.696360][  T904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.696520][  T904] RIP: 0033:0x7f84065fb08e
[   52.696653][  T904] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.697122][  T904] RSP: 002b:00007ffecd8d5110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.697315][  T904] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f84065fb08e
[   52.697509][  T904] RDX: 0000000000000000 RSI: 00007ffecd8d51c0 RDI: 0000000000000005
[   52.697701][  T904] RBP: 00007ffecd8d5120 R08: 0000000000000000 R09: 0000000000000000
[   52.697907][  T904] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd20
[   52.698098][  T904] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecd8d5890
| [   52.705780][   T36] ------------[ cut here ]------------
| [   52.705964][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   52.706246][   T36] Modules linked in:
| [   52.706702][   T36] Tainted: [W]=WARN
[   52.706847][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.707056][   T36] Workqueue: events_unbound linkwatch_event
[   52.707260][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.707459][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.707947][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   52.708142][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b7d4c80 RCX: 1ff4000000051f02
[   52.708364][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4d3c
[   52.708592][   T36] RBP: ff11000008321000 R08: 1fe22000016fa9a9 R09: ff11000001d751a8
[   52.708816][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   52.709049][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.709276][   T36] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   52.709529][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.709723][   T36] CR2: 000055dfdb5e2d5c CR3: 0000000009c29003 CR4: 0000000000771ef0
[   52.709966][   T36] PKRU: 55555554
[   52.710102][   T36] Call Trace:
[   52.710235][   T36]  <TASK>
[   52.710344][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   52.710511][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   52.710681][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   52.710824][   T36]  netif_state_change (net/core/dev.c:1605)
[   52.711004][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   52.711199][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   52.711363][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.711535][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.711704][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.711892][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   52.712060][   T36]  process_one_work (kernel/workqueue.c:3314)
[   52.712229][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.712392][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.712567][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.712740][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.712929][   T36]  kthread (kernel/kthread.c:436)
[   52.713070][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.713263][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.713427][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.713600][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.713800][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.713981][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.714146][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.842080][  T909] ------------[ cut here ]------------
| [   52.842268][  T909] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/909
| [   52.842551][  T909] Modules linked in:
| [   52.843028][  T909] Tainted: [W]=WARN
[   52.843177][  T909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.843385][  T909] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.843611][  T909] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   52.844137][  T909] RSP: 0018:ffa0000002ac7060 EFLAGS: 00010286
[   52.844347][  T909] RAX: 00000000ffffffa6 RBX: ff11000008dc63c0 RCX: 1ff4000000558dd2
[   52.844593][  T909] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc647c
[   52.844832][  T909] RBP: ff110000126c9000 R08: 1fe22000011b8c91 R09: ff110000126d8b58
[   52.845180][  T909] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   52.845496][  T909] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   52.845829][  T909] FS:  00007fd7e678e840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   52.846221][  T909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.846503][  T909] CR2: 0000000031a3f988 CR3: 00000000109cc001 CR4: 0000000000771ef0
[   52.846837][  T909] PKRU: 55555554
[   52.847057][  T909] Call Trace:
[   52.847200][  T909]  <TASK>
[   52.847316][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.847491][  T909]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   52.847675][  T909]  notifier_call_chain (kernel/notifier.c:85)
[   52.847864][  T909]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   52.848058][  T909]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   52.848235][  T909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.848418][  T909]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   52.848603][  T909]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   52.848781][  T909]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   52.848981][  T909]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   52.849157][  T909]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   52.849366][  T909]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.849546][  T909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.849726][  T909]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.849920][  T909]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.850097][  T909]  ? __kernel_text_address (kernel/extable.c:79)
[   52.850272][  T909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.850451][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.850632][  T909]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.850816][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.851008][  T909]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.851182][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.851356][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.851535][  T909]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   52.851716][  T909]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   52.851910][  T909]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   52.852090][  T909]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   52.852268][  T909]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   52.852445][  T909]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.852631][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   52.852818][  T909]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   52.853010][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.853183][  T909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.853359][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.853536][  T909]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   52.853710][  T909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.853910][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.854085][  T909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.854260][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.854435][  T909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.854622][  T909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   52.854807][  T909]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   52.854997][  T909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.855175][  T909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.855349][  T909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.855531][  T909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.855706][  T909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   52.855908][  T909]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   52.856085][  T909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.856262][  T909]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.856441][  T909]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.856624][  T909]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.856810][  T909]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.857007][  T909]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.857181][  T909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   52.857357][  T909]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   52.857537][  T909]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   52.857716][  T909]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   52.857914][  T909]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   52.858091][  T909]  ? copy_msghdr_from_user (net/socket.c:2635)
[   52.858266][  T909]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   52.858470][  T909]  ? move_addr_to_kernel (net/socket.c:258)
[   52.858654][  T909]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.858842][  T909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   52.859036][  T909]  ___sys_sendmsg (net/socket.c:2752)
[   52.859217][  T909]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   52.859423][  T909]  ? copy_msghdr_from_user (net/socket.c:2603)
[   52.859620][  T909]  __sys_sendmsg (net/socket.c:2784)
[   52.859805][  T909]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   52.859992][  T909]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   52.860202][  T909]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.860378][  T909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.860565][  T909]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   52.860741][  T909]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   52.860938][  T909]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   52.861117][  T909]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.861323][  T909] RIP: 0033:0x7fd7e69c808e
[   52.861506][  T909] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.862038][  T909] RSP: 002b:00007fff123efcb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.862280][  T909] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd7e69c808e
[   52.862524][  T909] RDX: 0000000000000000 RSI: 00007fff123efd60 RDI: 0000000000000005
[   52.862763][  T909] RBP: 00007fff123efcc0 R08: 0000000000000000 R09: 0000000000000000
[   52.863026][  T909] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   52.863264][  T909] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff123f0430
| [   54.608865][   T12] ------------[ cut here ]------------
| [   54.609003][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.609263][   T12] Modules linked in:
| [   54.609673][   T12] Tainted: [W]=WARN
[   54.609774][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.609950][   T12] Workqueue: netns cleanup_net
[   54.610087][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.610256][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.610726][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   54.610991][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b5e00 RCX: 1ff4000000018ebc
[   54.611187][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5ebc
[   54.611380][   T12] RBP: ff11000012639000 R08: 1fe2200001e36bd9 R09: ff11000001aed1d0
[   54.611578][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   54.611773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.612045][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.612274][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.612439][   T12] CR2: 00007fbe6bf7f493 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.612641][   T12] PKRU: 55555554
[   54.612740][   T12] Call Trace:
[   54.612944][   T12]  <TASK>
[   54.613015][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.613149][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.613248][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   54.613379][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   54.613517][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   54.613648][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   54.613779][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.613991][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   54.614122][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.614253][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   54.614560][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.614690][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   54.614832][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   54.615049][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   54.615179][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   54.615280][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.615496][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   54.615633][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   54.615764][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.615935][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   54.616067][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.616283][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.616412][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.616544][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.616676][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.616902][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.617031][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.617163][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.617291][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.617512][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.617645][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.617774][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.618000][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.618136][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.618264][   T12]  kthread (kernel/kthread.c:436)
[   54.618362][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.618524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.618740][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.618882][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.619044][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.619258][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.619388][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.623090][   T12] ------------[ cut here ]------------
| [   54.623234][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   54.623487][   T12] Modules linked in:
| [   54.623891][   T12] Tainted: [W]=WARN
[   54.623988][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.624146][   T12] Workqueue: netns cleanup_net
[   54.624278][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.624444][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.624909][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   54.625067][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4b380 RCX: 1ff4000000018ec0
[   54.625254][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4b43c
[   54.625443][   T12] RBP: ff11000012639000 R08: 1fe22000003c9689 R09: ff11000001aed1d0
[   54.625636][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   54.625831][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   54.626031][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   54.626250][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.626410][   T12] CR2: 000055dfdb4ee480 CR3: 000000000c6dc006 CR4: 0000000000771ef0
[   54.626602][   T12] PKRU: 55555554
[   54.626697][   T12] Call Trace:
[   54.626885][   T12]  <TASK>
[   54.626953][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.627084][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   54.627213][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   54.627344][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   54.627558][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   54.627720][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   54.627854][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   54.628098][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[   54.628223][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.628351][   T12]  del_nbp (net/bridge/br_if.c:363)
[   54.628449][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   54.628581][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.628798][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   54.628933][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.629060][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.629186][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.629393][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.629523][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.629650][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.629774][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.629994][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.630120][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.630248][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.630379][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.630590][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.630722][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.630861][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.630993][   T12]  kthread (kernel/kthread.c:436)
[   54.631089][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.631247][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.631374][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.631503][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.631666][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.631800][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.631940][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.634009][   T12] ------------[ cut here ]------------
| [   54.634136][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   54.634393][   T12] Modules linked in:
| [   54.634796][   T12] Tainted: [W]=WARN
[   54.635203][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.635368][   T12] Workqueue: netns cleanup_net
[   54.635503][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.635678][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.636150][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   54.636312][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e4aac0 RCX: 1ff4000000018ebc
[   54.636505][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4ab7c
[   54.636699][   T12] RBP: ff11000005821000 R08: 1fe22000003c9571 R09: ff11000001aed1d0
[   54.636904][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   54.637097][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.637292][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   54.637520][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.637684][   T12] CR2: 000055dfdb4ee480 CR3: 000000000c6dc006 CR4: 0000000000771ef0
[   54.637889][   T12] PKRU: 55555554
[   54.637986][   T12] Call Trace:
[   54.638082][   T12]  <TASK>
[   54.638150][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.638284][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.638385][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   54.638516][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   54.638646][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   54.638775][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   54.638915][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.639045][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   54.639175][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.639304][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   54.639433][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.639566][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   54.639694][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   54.639829][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   54.639967][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   54.640064][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.640194][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.640355][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   54.640484][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.640615][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   54.640746][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.640882][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.641011][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.641142][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.641272][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.641401][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.641532][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.641663][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.641800][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.641938][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.642071][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.642199][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.642334][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.642468][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.642600][   T12]  kthread (kernel/kthread.c:436)
[   54.642697][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.642872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.643002][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.643131][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.643291][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.643421][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.643552][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.646846][   T12] ------------[ cut here ]------------
| [   54.646984][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   54.647232][   T12] Modules linked in:
| [   54.647615][   T12] Tainted: [W]=WARN
[   54.647710][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.647880][   T12] Workqueue: netns cleanup_net
[   54.648010][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.648173][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.648617][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   54.648774][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b727c40 RCX: 1ff4000000018ec0
[   54.648978][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b727cfc
[   54.649168][   T12] RBP: ff11000005821000 R08: 1fe22000016e4fa1 R09: ff11000001aed1d0
[   54.649355][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   54.649546][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   54.649734][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   54.650013][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.650168][   T12] CR2: 000055dfdb4ee480 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   54.650356][   T12] PKRU: 55555554
[   54.650448][   T12] Call Trace:
[   54.650544][   T12]  <TASK>
[   54.650608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.650733][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   54.650864][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   54.651044][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   54.651169][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   54.651328][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   54.651453][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.651581][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   54.651707][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   54.651902][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   54.652027][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.652153][   T12]  del_nbp (net/bridge/br_if.c:363)
[   54.652251][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   54.652377][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.652502][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   54.652633][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.652759][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.652894][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.653021][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.653148][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.653274][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.653398][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.653528][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.653654][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.653781][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.653923][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.654049][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.654180][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.654309][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.654434][   T12]  kthread (kernel/kthread.c:436)
[   54.654533][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.654690][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.654822][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.654954][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.655111][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.655236][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.655362][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.658311][   T12] ------------[ cut here ]------------
| [   54.658448][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.658689][   T12] Modules linked in:
| [   54.659070][   T12] Tainted: [W]=WARN
[   54.659162][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.659311][   T12] Workqueue: netns cleanup_net
[   54.659434][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.659594][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.660032][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   54.660184][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52f380 RCX: 1ff4000000018ec7
[   54.660364][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f43c
[   54.660548][   T12] RBP: ff11000009cd2000 R08: 1fe2200001aa5e89 R09: ff11000001aed1d0
[   54.660727][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   54.661097][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[   54.661284][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   54.661495][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.661651][   T12] CR2: 00007fbe6bcd3574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   54.661837][   T12] PKRU: 55555554
[   54.661936][   T12] Call Trace:
[   54.662030][   T12]  <TASK>
[   54.662095][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.662218][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.662311][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.662433][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.662558][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.662710][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.662865][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.662992][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.663141][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.663261][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.663384][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.663505][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.663628][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.663754][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.663886][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.664005][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.664125][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.664246][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.664369][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.664490][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.664613][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.664737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.664862][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.664991][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.665116][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.665236][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.665362][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.665486][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.665607][   T12]  kthread (kernel/kthread.c:436)
[   54.665698][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.665856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.665985][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.666107][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.666261][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.666382][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.666502][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.669643][   T12] ------------[ cut here ]------------
| [   54.669780][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.670032][   T12] Modules linked in:
| [   54.670390][   T12] Tainted: [W]=WARN
[   54.670481][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.670632][   T12] Workqueue: netns cleanup_net
[   54.670758][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.670931][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.671356][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.671507][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27000 RCX: 1ff4000000018eed
[   54.671689][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc270bc
[   54.671880][   T12] RBP: ff1100000e6fc000 R08: 1fe2200001b84e19 R09: ff11000001aed1d0
[   54.672061][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.672239][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.672417][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.672629][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.672777][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.672964][   T12] PKRU: 55555554
[   54.673052][   T12] Call Trace:
[   54.673140][   T12]  <TASK>
[   54.673201][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.673357][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.673501][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.673623][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.673747][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.673878][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.673998][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.674115][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.674233][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.674351][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.674468][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.674591][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.674708][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.674829][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.674954][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.675070][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.675190][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.675310][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.675426][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.675550][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.675673][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.675796][   T12]  kthread (kernel/kthread.c:436)
[   54.675890][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.676036][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.676154][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.676271][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.676416][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.676535][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.676651][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.678881][   T12] ------------[ cut here ]------------
| [   54.679002][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.679231][   T12] Modules linked in:
| [   54.679591][   T12] Tainted: [W]=WARN
[   54.679679][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.679831][   T12] Workqueue: netns cleanup_net
[   54.679959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.680110][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.680532][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.680679][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc263c0 RCX: 1ff4000000018eed
[   54.680860][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2647c
[   54.681041][   T12] RBP: ff1100001240c000 R08: 1fe2200001b84c91 R09: ff11000001aed1d0
[   54.681217][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.681391][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.681571][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.681776][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.681934][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.682114][   T12] PKRU: 55555554
[   54.682203][   T12] Call Trace:
[   54.682291][   T12]  <TASK>
[   54.682353][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.682504][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.682653][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.682772][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.682903][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.683023][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.683143][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.683260][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.683375][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.683491][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.683612][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.683729][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.683852][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.683974][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.684092][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.684208][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.684327][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.684447][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.684571][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.684691][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.684815][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.684936][   T12]  kthread (kernel/kthread.c:436)
[   54.685024][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.685168][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.685285][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.685403][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.685550][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.685666][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.685783][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.688198][   T12] ------------[ cut here ]------------
| [   54.688389][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.688619][   T12] Modules linked in:
| [   54.689214][   T12] Tainted: [W]=WARN
[   54.689303][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.689448][   T12] Workqueue: netns cleanup_net
[   54.689573][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.689739][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.690196][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.690343][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d470580 RCX: 1ff4000000018eed
[   54.690521][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d47063c
[   54.690848][   T12] RBP: ff110000126cc000 R08: 1fe2200001a8e0c9 R09: ff11000001aed1d0
[   54.691032][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.691289][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.691466][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.691673][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.691906][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.692087][   T12] PKRU: 55555554
[   54.692175][   T12] Call Trace:
[   54.692262][   T12]  <TASK>
[   54.692323][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.692552][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.692699][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.692824][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.692948][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.693063][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.693182][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.693302][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.693418][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.693537][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.693657][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.693776][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.693904][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.694024][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.694143][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.694259][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.694377][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.694498][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.694619][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.694740][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.694873][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.694990][   T12]  kthread (kernel/kthread.c:436)
[   54.695083][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.695371][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.695490][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.695610][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.695758][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.695956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.696074][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.698507][   T12] ------------[ cut here ]------------
| [   54.698629][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.698860][   T12] Modules linked in:
| [   54.699224][   T12] Tainted: [W]=WARN
[   54.699313][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.699458][   T12] Workqueue: netns cleanup_net
[   54.699581][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.699818][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.700397][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.700545][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d470900 RCX: 1ff4000000018eed
[   54.700718][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4709bc
[   54.700907][   T12] RBP: ff110000101b4000 R08: 1fe2200001a8e139 R09: ff11000001aed1d0
[   54.701081][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.701326][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.701576][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.701779][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.701936][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.702189][   T12] PKRU: 55555554
[   54.702278][   T12] Call Trace:
[   54.702365][   T12]  <TASK>
[   54.702425][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.702649][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.702798][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.702921][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.703112][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.703230][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.703350][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.703542][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.703659][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.703784][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.703915][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.704035][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.704224][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.704341][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.704465][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.704585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.704776][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.704912][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.705029][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.705152][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.705346][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.705467][   T12]  kthread (kernel/kthread.c:436)
[   54.705560][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.705705][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.705906][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.706023][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.706169][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.706288][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.706408][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.709120][   T12] ------------[ cut here ]------------
| [   54.709238][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.709606][   T12] Modules linked in:
| [   54.710040][   T12] Tainted: [W]=WARN
[   54.710130][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.710274][   T12] Workqueue: netns cleanup_net
[   54.710395][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.710624][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.711131][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.711276][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8ce200 RCX: 1ff4000000018eed
[   54.711447][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8ce2bc
[   54.711696][   T12] RBP: ff1100001008c000 R08: 1fe2200001519c59 R09: ff11000001aed1d0
[   54.711879][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.712051][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.712301][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.712506][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.712652][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.712913][   T12] PKRU: 55555554
[   54.712999][   T12] Call Trace:
[   54.713089][   T12]  <TASK>
[   54.713149][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.713367][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.713514][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.713629][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.713747][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.713944][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.714063][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.714179][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.714294][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.714480][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.714601][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.714718][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.714839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.714959][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.715076][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.715191][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.715308][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.715497][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.715618][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.715738][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.715863][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.716056][   T12]  kthread (kernel/kthread.c:436)
[   54.716147][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.716290][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.716407][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.716599][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.716747][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.716872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.716988][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.720184][   T12] ------------[ cut here ]------------
| [   54.720305][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.720535][   T12] Modules linked in:
| [   54.720896][   T12] Tainted: [W]=WARN
[   54.720984][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.721128][   T12] Workqueue: netns cleanup_net
[   54.721247][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.721396][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.721816][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.721964][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8cf000 RCX: 1ff4000000018eed
[   54.722137][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf0bc
[   54.722308][   T12] RBP: ff11000009cd2000 R08: 1fe2200001519e19 R09: ff11000001aed1d0
[   54.722480][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.722656][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.722832][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.723040][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.723187][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.723435][   T12] PKRU: 55555554
[   54.723525][   T12] Call Trace:
[   54.723611][   T12]  <TASK>
[   54.723671][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.723826][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.723974][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.724092][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.724210][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.724398][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.724594][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.724710][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.724829][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.724950][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.725065][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.725184][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.725371][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.725486][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.725605][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.725721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.725841][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.726037][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.726223][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.726344][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.726463][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.726583][   T12]  kthread (kernel/kthread.c:436)
[   54.726670][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.726818][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.727013][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.727132][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.727351][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.727467][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.727586][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.753785][   T12] ------------[ cut here ]------------
| [   54.754471][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.754717][   T12] Modules linked in:
| [   54.755162][   T12] Tainted: [W]=WARN
[   54.755258][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.755413][   T12] Workqueue: netns cleanup_net
[   54.755545][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.755761][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.756269][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.756424][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8cf540 RCX: 1ff4000000018eaf
[   54.756609][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf5fc
[   54.756798][   T12] RBP: ff11000012639000 R08: 1fe2200001519ec1 R09: ff11000001aed1d0
[   54.757042][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   54.757274][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff44000
[   54.757461][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   54.757680][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.757838][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   54.758076][   T12] PKRU: 55555554
[   54.758170][   T12] Call Trace:
[   54.758263][   T12]  <TASK>
[   54.758330][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.758462][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.758560][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.758681][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.758805][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.758980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.759103][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.759225][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.759380][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.759540][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.759663][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.759818][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.759989][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.760112][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.760267][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.760392][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.760522][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.760648][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.760772][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.760951][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.761076][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.761199][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.761323][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.761446][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.761573][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.761697][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.761824][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.762002][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.762127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.762252][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.762381][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.762506][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.762635][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.762765][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.762945][   T12]  kthread (kernel/kthread.c:436)
[   54.763039][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.763192][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.763316][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.763439][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.763595][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.763719][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.763849][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.767875][   T12] ------------[ cut here ]------------
| [   54.768048][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.768337][   T12] Modules linked in:
| [   54.768817][   T12] Tainted: [W]=WARN
[   54.769093][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.769292][   T12] Workqueue: netns cleanup_net
[   54.769466][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.769711][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.770213][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.770418][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a7540 RCX: 1ff4000000018eaf
[   54.770656][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a75fc
[   54.770904][   T12] RBP: ff1100000ff44000 R08: 1fe2200001534ec1 R09: ff11000001aed1d0
[   54.771132][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   54.771365][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005821000
[   54.771608][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.771889][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.772091][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[   54.772321][   T12] PKRU: 55555554
[   54.772458][   T12] Call Trace:
[   54.772605][   T12]  <TASK>
[   54.772715][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.772911][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.773084][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.773224][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.773394][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.773569][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.773766][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.773956][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.774128][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.774330][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.774535][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.774707][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.774927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.775099][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.775270][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.775470][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.775651][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.775833][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.776013][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.776184][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.776368][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.776541][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.776711][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.776904][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.777077][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.777249][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.777450][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.777626][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.777806][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.777991][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.778164][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.778342][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.778517][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.778699][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.778895][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.779065][   T12]  kthread (kernel/kthread.c:436)
[   54.779204][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.779403][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.779585][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.779757][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.779974][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.780145][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.780315][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.783543][   T12] ------------[ cut here ]------------
| [   54.783709][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.784027][   T12] Modules linked in:
| [   54.784489][   T12] Tainted: [W]=WARN
[   54.784633][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.784839][   T12] Workqueue: netns cleanup_net
[   54.785487][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.785709][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.786216][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.786426][   T12] RAX: 00000000ffffffa6 RBX: ff110000049f3700 RCX: 1ff4000000018eaf
[   54.786661][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000049f37bc
[   54.786910][   T12] RBP: ff11000005821000 R08: 1fe220000093e6f9 R09: ff11000001aed1d0
[   54.787138][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   54.787368][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010091000
[   54.787610][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.787895][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.788097][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[   54.788337][   T12] PKRU: 55555554
[   54.788475][   T12] Call Trace:
[   54.788621][   T12]  <TASK>
[   54.788731][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.788920][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.789092][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.789233][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.789418][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.789595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.789765][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.789961][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.790132][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.790332][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.790535][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.790706][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.790927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.791099][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.791268][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.791469][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.791650][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.791833][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.792014][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.792186][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.792358][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.792533][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.792705][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.792896][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.793068][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.793239][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.793410][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.793586][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.793757][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.793946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.794119][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.794293][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.794465][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.794648][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.794829][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.795010][   T12]  kthread (kernel/kthread.c:436)
[   54.795150][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.795351][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.795524][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.795697][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.795919][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.796091][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.796261][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.798665][   T12] ------------[ cut here ]------------
| [   54.798836][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.799142][   T12] Modules linked in:
| [   54.799612][   T12] Tainted: [W]=WARN
[   54.799750][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.800431][   T12] Workqueue: netns cleanup_net
[   54.800665][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.800944][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.801479][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.801733][   T12] RAX: 00000000ffffffa6 RBX: ff110000049f2740 RCX: 1ff4000000018eaf
[   54.802029][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000049f27fc
[   54.802311][   T12] RBP: ff11000010091000 R08: 1fe220000093e501 R09: ff11000001aed1d0
[   54.802590][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   54.802888][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010084000
[   54.803168][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.803476][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.803730][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.804034][   T12] PKRU: 55555554
[   54.804221][   T12] Call Trace:
[   54.804404][   T12]  <TASK>
[   54.804570][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.804825][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.805060][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.805280][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.805496][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.805724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.805959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.806179][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.806399][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.806749][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.807098][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.807414][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.807666][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.807937][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.808215][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.808464][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.808658][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.808838][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.809025][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.809197][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.809369][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.809557][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.809729][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.809918][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.810092][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.810263][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.810436][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.810613][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.810784][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.810976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.811150][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.811323][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.811492][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.811671][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.811855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.812042][   T12]  kthread (kernel/kthread.c:436)
[   54.812182][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.812385][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.812562][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.812733][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.812953][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.813123][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.813293][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.816430][   T12] ------------[ cut here ]------------
| [   54.816599][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.817173][   T12] Modules linked in:
| [   54.817760][   T12] Tainted: [W]=WARN
[   54.817965][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.818215][   T12] Workqueue: netns cleanup_net
[   54.818438][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.818705][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.819276][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.819532][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27a80 RCX: 1ff4000000018eaf
[   54.819821][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27b3c
[   54.820110][   T12] RBP: ff11000010084000 R08: 1fe2200001b84f69 R09: ff11000001aed1d0
[   54.820386][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   54.820667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   54.820966][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.821276][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.821534][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.821820][   T12] PKRU: 55555554
[   54.822019][   T12] Call Trace:
[   54.822203][   T12]  <TASK>
[   54.822360][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.822580][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.822809][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.823012][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.823231][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.823447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.823671][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.823914][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.824136][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.824386][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.824642][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.824954][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.825226][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.825464][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.825669][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.825895][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.826067][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.826242][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.826414][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.826593][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.826764][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.826958][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.827127][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.827299][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.827470][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.827649][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.827828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.828015][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.828188][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.828359][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.828538][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.828716][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.828911][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.829088][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.829264][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.829436][   T12]  kthread (kernel/kthread.c:436)
[   54.829583][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.829788][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.829979][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.830151][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.830352][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.830528][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.830700][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.833176][   T12] ------------[ cut here ]------------
| [   54.833336][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.833623][   T12] Modules linked in:
| [   54.834549][   T12] Tainted: [W]=WARN
[   54.834734][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.834997][   T12] Workqueue: netns cleanup_net
[   54.835217][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.835463][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.836011][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.836272][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbe2900 RCX: 1ff4000000018ed5
[   54.836593][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe29bc
[   54.836882][   T12] RBP: ff11000012639000 R08: 1fe220000177c539 R09: ff11000001aed1d0
[   54.837190][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.837473][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.837749][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.838072][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.838313][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.838584][   T12] PKRU: 55555554
[   54.838763][   T12] Call Trace:
[   54.838958][   T12]  <TASK>
[   54.839112][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.839358][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.839607][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.839829][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.840055][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.840296][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.840512][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.840729][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.840965][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.841304][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.841574][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.841786][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.842114][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.842288][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.842457][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.842637][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.842810][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.842995][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.843162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.843332][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.843509][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.843682][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.843892][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.844093][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.844260][   T12]  kthread (kernel/kthread.c:436)
[   54.844396][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.844600][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.844766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.844960][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.845162][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.845328][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.845493][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.848412][   T12] ------------[ cut here ]------------
| [   54.848575][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.848863][   T12] Modules linked in:
| [   54.849929][   T12] Tainted: [W]=WARN
[   54.850110][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.850348][   T12] Workqueue: netns cleanup_net
[   54.850570][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.850827][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.851355][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.851611][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbe31c0 RCX: 1ff4000000018ed5
[   54.851897][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbe327c
[   54.852169][   T12] RBP: ff1100000ff44000 R08: 1fe220000177c651 R09: ff11000001aed1d0
[   54.852435][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.852709][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.852997][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.853297][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.853544][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.853820][   T12] PKRU: 55555554
[   54.854013][   T12] Call Trace:
[   54.854192][   T12]  <TASK>
[   54.854346][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.854595][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.854844][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.855070][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.855283][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.855534][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.855747][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.855983][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.856217][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.856469][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.856675][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.856846][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.857028][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.857197][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.857363][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.857533][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.857698][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.857890][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.858054][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.858222][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.858392][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.858562][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.858732][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.858922][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.859093][   T12]  kthread (kernel/kthread.c:436)
[   54.859232][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.859424][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.859597][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.859762][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.859979][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.860147][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.860316][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.863295][   T12] ------------[ cut here ]------------
| [   54.863458][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.863745][   T12] Modules linked in:
| [   54.864495][   T12] Tainted: [W]=WARN
[   54.864682][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.864944][   T12] Workqueue: netns cleanup_net
[   54.865175][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.865422][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.865955][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.866196][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52fa80 RCX: 1ff4000000018ed5
[   54.866465][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52fb3c
[   54.866740][   T12] RBP: ff11000005821000 R08: 1fe2200001aa5f69 R09: ff11000001aed1d0
[   54.867027][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.867294][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.867571][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.867891][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.868131][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.868401][   T12] PKRU: 55555554
[   54.868581][   T12] Call Trace:
[   54.868761][   T12]  <TASK>
[   54.868982][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.869225][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.869462][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.869681][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.869914][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.870161][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.870375][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.870592][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.870813][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.871040][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.871250][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.871460][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.871679][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.871957][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.872218][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.872487][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.872750][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.873031][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.873290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.873556][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.873833][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.874008][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.874209][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.874384][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.874553][   T12]  kthread (kernel/kthread.c:436)
[   54.874689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.874905][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.875074][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.875251][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.875477][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.875648][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.875824][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.878698][   T12] ------------[ cut here ]------------
| [   54.879479][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.879819][   T12] Modules linked in:
| [   54.880373][   T12] Tainted: [W]=WARN
[   54.880563][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.880810][   T12] Workqueue: netns cleanup_net
[   54.881039][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.881285][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.881815][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.882073][   T12] RAX: 00000000ffffffa6 RBX: ff11000010abba80 RCX: 1ff4000000018ed5
[   54.882341][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abbb3c
[   54.882613][   T12] RBP: ff11000010091000 R08: 1fe2200002157769 R09: ff11000001aed1d0
[   54.882906][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.883176][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.883444][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.883748][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.884014][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.884285][   T12] PKRU: 55555554
[   54.884465][   T12] Call Trace:
[   54.884653][   T12]  <TASK>
[   54.884816][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.885077][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.885322][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.885541][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.885752][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.886060][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.886309][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.886581][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.886848][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.887132][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.887388][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.887655][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.887932][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.888147][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.888312][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.888478][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.888646][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.888819][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.889000][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.889165][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.889335][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.889499][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.889676][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.889855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.890036][   T12]  kthread (kernel/kthread.c:436)
[   54.890173][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.890369][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.890537][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.890704][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.890923][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.891089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.891254][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.894082][   T12] ------------[ cut here ]------------
| [   54.894245][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.894527][   T12] Modules linked in:
| [   54.895108][   T12] Tainted: [W]=WARN
[   54.895300][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.895586][   T12] Workqueue: netns cleanup_net
[   54.895812][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.896076][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.896591][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.896840][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636580 RCX: 1ff4000000018ed5
[   54.897117][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63663c
[   54.897395][   T12] RBP: ff11000010084000 R08: 1fe2200001ac6cc9 R09: ff11000001aed1d0
[   54.897669][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.897953][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.898221][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.898528][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.898769][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.899063][   T12] PKRU: 55555554
[   54.899243][   T12] Call Trace:
[   54.899422][   T12]  <TASK>
[   54.899579][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.899833][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.900083][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.900294][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.900503][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.900754][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.900990][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.901201][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.901413][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.901632][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.901853][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.902082][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.902292][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.902505][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.902727][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.902960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.903171][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.903383][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.903599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.903820][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.904049][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.904260][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.904476][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.904728][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.905007][   T12]  kthread (kernel/kthread.c:436)
[   54.905247][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.905542][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.905730][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.905916][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.906116][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.906281][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.906446][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.945485][   T12] ------------[ cut here ]------------
| [   54.945657][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.945978][   T12] Modules linked in:
| [   54.946467][   T12] Tainted: [W]=WARN
[   54.946650][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.946885][   T12] Workqueue: netns cleanup_net
[   54.947069][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.947283][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.947799][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   54.948025][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637c40 RCX: 1ff4000000018ebc
[   54.948264][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637cfc
[   54.948502][   T12] RBP: ff11000010099000 R08: 1fe2200001ac6fa1 R09: ff11000001aed1d0
[   54.948746][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   54.949005][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.949280][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.949557][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.949766][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.950033][   T12] PKRU: 55555554
[   54.950179][   T12] Call Trace:
[   54.950324][   T12]  <TASK>
[   54.950438][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.950624][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.950773][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   54.950974][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   54.951154][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   54.951332][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   54.951512][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.951695][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   54.951895][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.952079][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   54.952259][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.952436][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   54.952621][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   54.952806][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   54.952999][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   54.953146][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.953323][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   54.953503][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   54.953690][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.953892][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   54.954074][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.954252][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.954432][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.954619][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.954836][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.955025][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.955206][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.955388][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.955574][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.955753][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.955957][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.956136][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.956318][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.956517][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.956698][   T12]  kthread (kernel/kthread.c:436)
[   54.956859][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.957087][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.957265][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.957445][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.957662][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.957849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.958048][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.960765][   T12] ------------[ cut here ]------------
| [   54.961258][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.961568][   T12] Modules linked in:
| [   54.962128][   T12] Tainted: [W]=WARN
[   54.962324][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.962584][   T12] Workqueue: netns cleanup_net
[   54.962834][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.963107][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.963659][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   54.963942][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52e740 RCX: 1ff4000000018ec0
[   54.964229][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e7fc
[   54.964579][   T12] RBP: ff11000010099000 R08: 1fe2200001aa5d01 R09: ff11000001aed1d0
[   54.964819][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   54.965071][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   54.965307][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.965587][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.965800][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.966052][   T12] PKRU: 55555554
[   54.966197][   T12] Call Trace:
[   54.966339][   T12]  <TASK>
[   54.966451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.966632][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   54.966816][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   54.967009][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   54.967186][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   54.967396][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   54.967579][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.967755][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   54.967949][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   54.968152][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[   54.968326][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.968502][   T12]  del_nbp (net/bridge/br_if.c:363)
[   54.968658][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   54.968840][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.969028][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   54.969204][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.969376][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.969554][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.969731][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.969928][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.970102][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.970273][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.970448][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.970628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.970810][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.971002][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.971176][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.971355][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.971537][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.971712][   T12]  kthread (kernel/kthread.c:436)
[   54.971879][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.972088][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.972264][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.972439][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.972652][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.972834][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.973021][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.975544][   T12] ------------[ cut here ]------------
| [   54.975711][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.976551][   T12] Modules linked in:
| [   54.977166][   T12] Tainted: [W]=WARN
[   54.977363][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.977631][   T12] Workqueue: netns cleanup_net
[   54.977887][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.978160][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.978728][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   54.979025][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52ee40 RCX: 1ff4000000018ebc
[   54.979327][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52eefc
[   54.979626][   T12] RBP: ff11000008321000 R08: 1fe2200001aa5de1 R09: ff11000001aed1d0
[   54.979937][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   54.980227][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.980528][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.980863][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.981228][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.981530][   T12] PKRU: 55555554
[   54.981733][   T12] Call Trace:
[   54.981954][   T12]  <TASK>
[   54.982121][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.982355][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.982571][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   54.982813][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   54.983061][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   54.983290][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   54.983541][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.983817][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   54.984060][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.984289][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   54.984523][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.984755][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   54.985003][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   54.985231][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   54.985462][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   54.985667][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.985918][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.986178][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   54.986405][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   54.986641][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   54.986891][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.987119][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.987378][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.987613][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   54.987858][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.988157][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.988385][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.988620][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.988854][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.989100][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.989333][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.989570][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.989811][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.990057][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.990285][   T12]  kthread (kernel/kthread.c:436)
[   54.990479][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.990743][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.990999][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.991190][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.991398][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.991584][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.991762][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.994609][   T12] ------------[ cut here ]------------
| [   54.994780][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.995254][   T12] Modules linked in:
| [   54.995740][   T12] Tainted: [W]=WARN
[   54.995903][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.996110][   T12] Workqueue: netns cleanup_net
[   54.996287][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.996495][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   54.997014][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   54.997219][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c503380 RCX: 1ff4000000018ec0
[   54.997452][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c50343c
[   54.997693][   T12] RBP: ff11000008321000 R08: 1fe22000018a0689 R09: ff11000001aed1d0
[   54.997944][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   54.998178][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   54.998415][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   54.998690][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.998913][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   54.999147][   T12] PKRU: 55555554
[   54.999287][   T12] Call Trace:
[   54.999426][   T12]  <TASK>
[   54.999540][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.999713][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   54.999941][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   55.000122][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   55.000297][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   55.000501][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.000682][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.000882][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   55.001059][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   55.001260][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   55.001433][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.001618][   T12]  del_nbp (net/bridge/br_if.c:363)
[   55.001765][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   55.001967][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   55.002143][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   55.002318][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.002490][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.002670][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.002854][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.003044][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.003219][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.003390][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.003572][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.003744][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.003941][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.004119][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.004291][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.004469][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.004655][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.004837][   T12]  kthread (kernel/kthread.c:436)
[   55.004996][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.005199][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.005374][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.005556][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.005762][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.005956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.006129][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.009085][   T12] ------------[ cut here ]------------
| [   55.009251][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.009567][   T12] Modules linked in:
| [   55.010698][   T12] Tainted: [W]=WARN
[   55.010902][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.011235][   T12] Workqueue: netns cleanup_net
[   55.011456][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.011715][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.012265][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   55.012526][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c5023c0 RCX: 1ff4000000018ec7
[   55.012809][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c50247c
[   55.013098][   T12] RBP: ff1100001025a000 R08: 1fe22000018a0491 R09: ff11000001aed1d0
[   55.013369][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.013645][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[   55.013936][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.014240][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.014483][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.014762][   T12] PKRU: 55555554
[   55.014960][   T12] Call Trace:
[   55.015143][   T12]  <TASK>
[   55.015298][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.015514][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.015704][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.015945][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.016165][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.016412][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.016662][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.016898][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.017140][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.017355][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.017577][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.017800][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.018025][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.018224][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.018390][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.018564][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.018730][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.018923][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.019094][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.019261][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.019426][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.019601][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.019769][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.019962][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.020134][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.020304][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.020477][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.020654][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.020832][   T12]  kthread (kernel/kthread.c:436)
[   55.020979][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.021175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.021340][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.021515][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.021716][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.021905][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.022076][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.025719][   T12] ------------[ cut here ]------------
| [   55.025860][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.026100][   T12] Modules linked in:
| [   55.026463][   T12] Tainted: [W]=WARN
[   55.026554][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.026703][   T12] Workqueue: netns cleanup_net
[   55.026832][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.026991][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.027406][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.027561][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16a040 RCX: 1ff4000000018eed
[   55.027733][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a0fc
[   55.027916][   T12] RBP: ff11000010471000 R08: 1fe220000142d421 R09: ff11000001aed1d0
[   55.028090][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.028261][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.028438][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.028643][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.028789][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   55.028976][   T12] PKRU: 55555554
[   55.029112][   T12] Call Trace:
[   55.029216][   T12]  <TASK>
[   55.029277][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.029425][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.029575][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.029700][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.029830][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.029953][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.030072][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.030189][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.030304][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.030418][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.030539][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.030662][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.030780][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.030905][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.031021][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.031136][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.031253][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.031371][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.031485][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.031608][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.031726][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.031846][   T12]  kthread (kernel/kthread.c:436)
[   55.031936][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.032078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.032194][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.032313][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.032459][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.032574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.032688][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.035330][   T12] ------------[ cut here ]------------
| [   55.035460][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.035692][   T12] Modules linked in:
| [   55.036058][   T12] Tainted: [W]=WARN
[   55.036147][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.036291][   T12] Workqueue: netns cleanup_net
[   55.036411][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.036568][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.037053][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.037216][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16b000 RCX: 1ff4000000018eed
[   55.037387][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b0bc
[   55.037570][   T12] RBP: ff110000124e9000 R08: 1fe220000142d619 R09: ff11000001aed1d0
[   55.037740][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.037925][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.038101][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.038301][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.038448][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   55.038625][   T12] PKRU: 55555554
[   55.038710][   T12] Call Trace:
[   55.038800][   T12]  <TASK>
[   55.038860][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.039234][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.039379][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.039495][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.039622][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.039737][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.039861][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.040102][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.040218][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.040338][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.040453][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.040572][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.040687][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.040809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.041057][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.041173][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.041289][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.041406][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.041525][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.041644][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.041765][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.041931][   T12]  kthread (kernel/kthread.c:436)
[   55.042019][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.042167][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.042282][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.042398][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.042545][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.042662][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.042778][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.047751][   T12] ------------[ cut here ]------------
| [   55.047907][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.048138][   T12] Modules linked in:
| [   55.048490][   T12] Tainted: [W]=WARN
[   55.048580][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.048731][   T12] Workqueue: netns cleanup_net
[   55.048981][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.049148][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.049677][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.049834][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636ac0 RCX: 1ff4000000018eed
[   55.050101][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d636b7c
[   55.050273][   T12] RBP: ff1100000efbc000 R08: 1fe2200001ac6d71 R09: ff11000001aed1d0
[   55.050443][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.050623][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.050805][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.051101][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.051248][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   55.051422][   T12] PKRU: 55555554
[   55.051512][   T12] Call Trace:
[   55.051598][   T12]  <TASK>
[   55.051659][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.051809][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.052035][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.052156][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.052273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.052386][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.052506][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.052626][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.052740][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.052858][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.053064][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.053181][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.053297][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.053413][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.053535][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.053649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.053768][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.053914][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.054029][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.054149][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.054269][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.054385][   T12]  kthread (kernel/kthread.c:436)
[   55.054472][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.054617][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.054732][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.054857][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.055007][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.055121][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.055237][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.057632][   T12] ------------[ cut here ]------------
| [   55.057807][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.058114][   T12] Modules linked in:
| [   55.058464][   T12] Tainted: [W]=WARN
[   55.058559][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.058712][   T12] Workqueue: netns cleanup_net
[   55.058835][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.059035][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.059445][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.059596][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee51a80 RCX: 1ff4000000018eed
[   55.059819][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51b3c
[   55.060034][   T12] RBP: ff1100000ff41000 R08: 1fe2200001dca369 R09: ff11000001aed1d0
[   55.060210][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.060379][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.060562][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.060764][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.060959][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   55.061131][   T12] PKRU: 55555554
[   55.061216][   T12] Call Trace:
[   55.061303][   T12]  <TASK>
[   55.061364][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.061515][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.061659][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.061779][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.061948][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.062065][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.062183][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.062300][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.062416][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.062536][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.062652][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.062770][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.062937][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.063052][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.063171][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.063284][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.063400][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.063522][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.063638][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.063758][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.063928][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.064043][   T12]  kthread (kernel/kthread.c:436)
[   55.064132][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.064276][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.064391][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.064510][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.064663][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.064783][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.064968][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.072863][   T12] ------------[ cut here ]------------
| [   55.073035][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.073313][   T12] Modules linked in:
| [   55.073764][   T12] Tainted: [W]=WARN
[   55.073925][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.074117][   T12] Workqueue: netns cleanup_net
[   55.074285][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.074485][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.075077][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.075359][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee51e00 RCX: 1ff4000000018eed
[   55.075686][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51ebc
[   55.076017][   T12] RBP: ff1100000fe11000 R08: 1fe2200001dca3d9 R09: ff11000001aed1d0
[   55.076327][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.076637][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.076974][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.077332][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.077534][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.077754][   T12] PKRU: 55555554
[   55.077909][   T12] Call Trace:
[   55.078044][   T12]  <TASK>
[   55.078150][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.078345][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.078539][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.078706][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.078893][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.079060][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.079228][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.079396][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.079567][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.079729][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.079914][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.080084][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.080253][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.080416][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.080589][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.080754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.080973][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.081141][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.081306][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.081477][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.081662][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.081879][   T12]  kthread (kernel/kthread.c:436)
[   55.082045][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.082239][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.082432][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.082608][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.082808][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.082989][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.083155][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.085855][   T12] ------------[ cut here ]------------
| [   55.086037][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.086316][   T12] Modules linked in:
| [   55.086770][   T12] Tainted: [W]=WARN
[   55.086931][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.087136][   T12] Workqueue: netns cleanup_net
[   55.087302][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.087499][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.087986][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.088182][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31ba80 RCX: 1ff4000000018eed
[   55.088399][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bb3c
[   55.088625][   T12] RBP: ff11000005a24000 R08: 1fe2200001a63769 R09: ff11000001aed1d0
[   55.088851][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.089113][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.089334][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.089589][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.089781][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.090024][   T12] PKRU: 55555554
[   55.090156][   T12] Call Trace:
[   55.090288][   T12]  <TASK>
[   55.090394][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.090594][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.090785][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.090971][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.091137][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.091301][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.091471][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.091643][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.091814][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.091991][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.092156][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.092321][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.092484][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.092655][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.092832][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.093006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.093171][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.093340][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.093503][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.093677][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.093857][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.094040][   T12]  kthread (kernel/kthread.c:436)
[   55.094176][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.094368][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.094534][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.094702][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.094917][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.095084][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.095252][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.097879][   T12] ------------[ cut here ]------------
| [   55.098041][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.098316][   T12] Modules linked in:
| [   55.098768][   T12] Tainted: [W]=WARN
[   55.099359][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.099602][   T12] Workqueue: netns cleanup_net
[   55.099828][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.100090][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.100605][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.100852][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31a740 RCX: 1ff4000000018eed
[   55.101136][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a7fc
[   55.101402][   T12] RBP: ff110000125b4000 R08: 1fe2200001a63501 R09: ff11000001aed1d0
[   55.101673][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.101953][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.102220][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.102520][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.102762][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.103051][   T12] PKRU: 55555554
[   55.103230][   T12] Call Trace:
[   55.103410][   T12]  <TASK>
[   55.103572][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.103840][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.104124][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.104349][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.104568][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.104782][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.105017][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.105240][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.105451][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.105665][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.105901][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.106164][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.106428][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.106703][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.106978][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.107249][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.107510][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.107775][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.108059][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.108286][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.108540][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.108707][   T12]  kthread (kernel/kthread.c:436)
[   55.108854][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.109062][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.109229][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.109394][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.109600][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.109775][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.109965][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.112614][   T12] ------------[ cut here ]------------
| [   55.112775][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.113506][   T12] Modules linked in:
| [   55.114085][   T12] Tainted: [W]=WARN
[   55.114269][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.114507][   T12] Workqueue: netns cleanup_net
[   55.114731][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.114998][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.115521][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.115764][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31bc40 RCX: 1ff4000000018eed
[   55.116056][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bcfc
[   55.116324][   T12] RBP: ff110000124bc000 R08: 1fe2200001a637a1 R09: ff11000001aed1d0
[   55.116598][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.116888][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.117156][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.117453][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.117701][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.117989][   T12] PKRU: 55555554
[   55.118170][   T12] Call Trace:
[   55.118393][   T12]  <TASK>
[   55.118599][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.118923][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.119209][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.119463][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.119731][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.120009][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.120274][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.120500][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.120733][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.120920][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.121088][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.121256][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.121422][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.121593][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.121762][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.121949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.122117][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.122288][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.122452][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.122632][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.122811][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.122989][   T12]  kthread (kernel/kthread.c:436)
[   55.123125][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.123321][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.123486][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.123663][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.123884][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.124049][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.124214][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.126671][   T12] ------------[ cut here ]------------
| [   55.126836][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.127130][   T12] Modules linked in:
| [   55.127591][   T12] Tainted: [W]=WARN
[   55.127729][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.128052][   T12] Workqueue: netns cleanup_net
[   55.128274][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.128532][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.129070][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.129311][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e441700 RCX: 1ff4000000018eed
[   55.129580][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4417bc
[   55.129853][   T12] RBP: ff11000001dd4000 R08: 1fe2200001c882f9 R09: ff11000001aed1d0
[   55.130148][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.130415][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.130690][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.131011][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.131284][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.131561][   T12] PKRU: 55555554
[   55.131741][   T12] Call Trace:
[   55.131973][   T12]  <TASK>
[   55.132128][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.132371][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.132613][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.132837][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.133059][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.133268][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.133484][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.133698][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.133928][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.134137][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.134351][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.134568][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.134778][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.135008][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.135221][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.135428][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.135647][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.135927][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.136141][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.136393][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.136660][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.136912][   T12]  kthread (kernel/kthread.c:436)
[   55.137050][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.137250][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.137419][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.137592][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.137805][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.137986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.138151][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.140588][   T12] ------------[ cut here ]------------
| [   55.140745][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.141772][   T12] Modules linked in:
| [   55.142342][   T12] Tainted: [W]=WARN
[   55.142527][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.142805][   T12] Workqueue: netns cleanup_net
[   55.143036][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.143282][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.143812][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.144067][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a78c0 RCX: 1ff4000000018eed
[   55.144331][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a797c
[   55.144605][   T12] RBP: ff1100000fd9c000 R08: 1fe2200001534f31 R09: ff11000001aed1d0
[   55.144893][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.145158][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.145425][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.145729][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.145992][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.146257][   T12] PKRU: 55555554
[   55.146435][   T12] Call Trace:
[   55.146623][   T12]  <TASK>
[   55.146775][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.147040][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.147279][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.147488][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.147703][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.147936][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.148150][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.148360][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.148573][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.148781][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.149018][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.149229][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.149437][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.149650][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.149956][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.150213][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.150482][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.150747][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.151025][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.151314][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.151580][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.151851][   T12]  kthread (kernel/kthread.c:436)
[   55.152059][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.152287][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.152453][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.152626][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.152828][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.153005][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.153170][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.156880][   T12] ------------[ cut here ]------------
| [   55.157045][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.157322][   T12] Modules linked in:
| [   55.157780][   T12] Tainted: [W]=WARN
[   55.157937][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.158130][   T12] Workqueue: netns cleanup_net
[   55.158302][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.158512][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.158997][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.159210][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e6efe00 RCX: 1ff4000000018eed
[   55.159430][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6efebc
[   55.159660][   T12] RBP: ff1100001025a000 R08: 1fe2200001cddfd9 R09: ff11000001aed1d0
[   55.160016][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.160322][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.160653][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.161033][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.161315][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.161631][   T12] PKRU: 55555554
[   55.161864][   T12] Call Trace:
[   55.162148][   T12]  <TASK>
[   55.162299][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.162547][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.162786][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.163017][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.163227][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.163434][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.163653][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.163884][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.164095][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.164306][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.164526][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.164738][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.164973][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.165184][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.165393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.165609][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.165826][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.166054][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.166263][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.166475][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.166695][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.166926][   T12]  kthread (kernel/kthread.c:436)
[   55.167109][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.167347][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.167565][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.167775][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.168038][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.168248][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.168457][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.186714][   T12] ------------[ cut here ]------------
| [   55.186883][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.187130][   T12] Modules linked in:
| [   55.187502][   T12] Tainted: [W]=WARN
[   55.187609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.187765][   T12] Workqueue: netns cleanup_net
[   55.187906][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.188064][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.188500][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.188659][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e6efc40 RCX: 1ff4000000018eaf
[   55.188852][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6efcfc
[   55.189040][   T12] RBP: ff1100000ff79000 R08: 1fe2200001cddfa1 R09: ff11000001aed1d0
[   55.189222][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.189409][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092cc000
[   55.189598][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.189817][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.189975][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   55.190158][   T12] PKRU: 55555554
[   55.190250][   T12] Call Trace:
[   55.190343][   T12]  <TASK>
[   55.190407][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.190535][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.190629][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.190752][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.190892][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.191044][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.191166][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.191292][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.191446][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.191574][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.191724][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.191853][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.191987][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.192111][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.192236][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.192359][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.192483][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.192609][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.192731][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.192864][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.192994][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.193119][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.193242][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.193365][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.193487][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.193613][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.193736][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.193873][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.193995][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.194122][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.194249][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.194371][   T12]  kthread (kernel/kthread.c:436)
[   55.194463][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.194621][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.194743][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.194881][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.195035][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.195158][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.195281][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.197664][   T12] ------------[ cut here ]------------
| [   55.197808][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.198137][   T12] Modules linked in:
| [   55.198531][   T12] Tainted: [W]=WARN
[   55.198627][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.198779][   T12] Workqueue: netns cleanup_net
[   55.198927][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.199086][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.199519][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.199671][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e6ef380 RCX: 1ff4000000018eaf
[   55.199872][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6ef43c
[   55.200055][   T12] RBP: ff110000092cc000 R08: 1fe2200001cdde89 R09: ff11000001aed1d0
[   55.200237][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.200424][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000126c9000
[   55.200609][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.200829][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.200988][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   55.201172][   T12] PKRU: 55555554
[   55.201263][   T12] Call Trace:
[   55.201355][   T12]  <TASK>
[   55.201418][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.201545][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.201669][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.201764][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.201898][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.202022][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.202173][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.202294][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.202416][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.202576][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.202697][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.202853][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.202987][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.203114][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.203237][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.203363][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.203485][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.203609][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.203733][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.203862][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.203990][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.204113][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.204235][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.204359][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.204480][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.204605][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.204727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.204857][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.204988][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.205108][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.205233][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.205357][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.205478][   T12]  kthread (kernel/kthread.c:436)
[   55.205574][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.205727][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.205857][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.205984][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.206135][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.206256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.206378][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.208440][   T12] ------------[ cut here ]------------
| [   55.208584][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.208894][   T12] Modules linked in:
| [   55.209283][   T12] Tainted: [W]=WARN
[   55.209374][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.209533][   T12] Workqueue: netns cleanup_net
[   55.209660][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.209830][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.210273][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.210427][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b963380 RCX: 1ff4000000018eaf
[   55.210615][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96343c
[   55.210801][   T12] RBP: ff110000126c9000 R08: 1fe220000172c689 R09: ff11000001aed1d0
[   55.211058][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.211239][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007fa9000
[   55.211434][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.211653][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.211813][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   55.212064][   T12] PKRU: 55555554
[   55.212156][   T12] Call Trace:
[   55.212246][   T12]  <TASK>
[   55.212309][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.212490][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.212616][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.212710][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.212842][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.213013][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.213162][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.213286][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.213409][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.213566][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.213688][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.213845][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.214039][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.214165][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.214287][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.214414][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.214544][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.214667][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.214801][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.214974][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.215094][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.215215][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.215337][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.215460][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.215583][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.215705][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.215832][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.216027][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.216152][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.216273][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.216407][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.216537][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.216656][   T12]  kthread (kernel/kthread.c:436)
[   55.216747][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.216969][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.217091][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.217213][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.217364][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.217494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.217619][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.227668][   T12] ------------[ cut here ]------------
| [   55.227806][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.228530][   T12] Modules linked in:
| [   55.228928][   T12] Tainted: [W]=WARN
[   55.229020][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.229176][   T12] Workqueue: netns cleanup_net
[   55.229305][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.229465][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.229921][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.230076][   T12] RAX: 00000000ffffffa6 RBX: ff110000104f3c40 RCX: 1ff4000000018eaf
[   55.230262][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f3cfc
[   55.230448][   T12] RBP: ff11000007fa9000 R08: 1fe220000209e7a1 R09: ff11000001aed1d0
[   55.230643][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   55.230834][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010099000
[   55.231025][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.231242][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.231396][   T12] CR2: 000055dfefeee650 CR3: 0000000009c29005 CR4: 0000000000771ef0
[   55.231586][   T12] PKRU: 55555554
[   55.231680][   T12] Call Trace:
[   55.231772][   T12]  <TASK>
[   55.231842][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.231970][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.232096][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.232192][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.232318][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.232443][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.232598][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.232724][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.232857][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.233018][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.233148][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.233301][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.233424][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.233558][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.233684][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.233816][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.233947][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.234072][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.234196][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.234318][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.234440][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.234571][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.234694][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.234823][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.234951][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.235073][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.235195][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.235320][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.235445][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.235571][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.235698][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.235832][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.235961][   T12]  kthread (kernel/kthread.c:436)
[   55.236053][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.236204][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.236327][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.236449][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.236604][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.236727][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.236856][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.238494][   T12] ------------[ cut here ]------------
| [   55.238620][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.238860][   T12] Modules linked in:
| [   55.239241][   T12] Tainted: [W]=WARN
[   55.239334][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.239488][   T12] Workqueue: netns cleanup_net
[   55.239617][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.239774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.240239][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.240393][   T12] RAX: 00000000ffffffa6 RBX: ff110000104f3540 RCX: 1ff4000000018eaf
[   55.240576][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f35fc
[   55.240765][   T12] RBP: ff11000010099000 R08: 1fe220000209e6c1 R09: ff11000001aed1d0
[   55.240961][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   55.241146][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef0c000
[   55.241330][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.241549][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.241703][   T12] CR2: 000055dfefeee650 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   55.241896][   T12] PKRU: 55555554
[   55.241992][   T12] Call Trace:
[   55.242084][   T12]  <TASK>
[   55.242147][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.242269][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.242391][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.242484][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.242609][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.242732][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.242909][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.243031][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.243154][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.243309][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.243432][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.243588][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.243710][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.243842][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.243970][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.244093][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.244216][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.244338][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.244461][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.244588][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.244710][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.244835][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.244964][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.245086][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.245208][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.245331][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.245452][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.245580][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.245706][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.245835][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.245969][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.246098][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.246224][   T12]  kthread (kernel/kthread.c:436)
[   55.246318][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.246471][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.246600][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.246725][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.246892][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.247016][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.247138][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.249153][   T12] ------------[ cut here ]------------
| [   55.249279][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.249526][   T12] Modules linked in:
| [   55.249916][   T12] Tainted: [W]=WARN
[   55.250010][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.250165][   T12] Workqueue: netns cleanup_net
[   55.250292][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.250452][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.250904][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.251058][   T12] RAX: 00000000ffffffa6 RBX: ff110000104f23c0 RCX: 1ff4000000018eaf
[   55.251243][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f247c
[   55.251427][   T12] RBP: ff1100000ef0c000 R08: 1fe220000209e491 R09: ff11000001aed1d0
[   55.251613][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   55.251802][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008321000
[   55.251996][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.252212][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.252366][   T12] CR2: 000055dfefeee650 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   55.252555][   T12] PKRU: 55555554
[   55.252647][   T12] Call Trace:
[   55.252738][   T12]  <TASK>
[   55.252806][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.252935][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.253060][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.253154][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.253280][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.253403][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.253558][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.253679][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.253812][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.253972][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.254096][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.254248][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.254370][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.254499][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.254627][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.254750][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.254882][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.255008][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.255131][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.255253][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.255374][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.255496][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.255623][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.255746][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.255879][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.256004][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.256125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.256250][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.256376][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.256498][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.256628][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.256755][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.256892][   T12]  kthread (kernel/kthread.c:436)
[   55.256986][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.257138][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.257261][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.257383][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.257539][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.257661][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.257785][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.260473][   T12] ------------[ cut here ]------------
| [   55.260600][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.260844][   T12] Modules linked in:
| [   55.261217][   T12] Tainted: [W]=WARN
[   55.261310][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.261463][   T12] Workqueue: netns cleanup_net
[   55.261597][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.261755][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.262214][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.262369][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b6580 RCX: 1ff4000000018eaf
[   55.262557][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b663c
[   55.262739][   T12] RBP: ff11000008321000 R08: 1fe2200001e36cc9 R09: ff11000001aed1d0
[   55.262931][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   55.263115][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b1c000
[   55.263302][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.263520][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.263675][   T12] CR2: 000055dfefeee650 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   55.263865][   T12] PKRU: 55555554
[   55.263970][   T12] Call Trace:
[   55.264063][   T12]  <TASK>
[   55.264127][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.264250][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.264374][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.264469][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.264595][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.264718][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.264880][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.265002][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.265125][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.265280][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.265403][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.265559][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.265682][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.265815][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.265947][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.266073][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.266196][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.266320][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.266445][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.266571][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.266693][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.266824][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.266955][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.267077][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.267199][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.267324][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.267446][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.267574][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.267700][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.267830][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.267963][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.268090][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.268214][   T12]  kthread (kernel/kthread.c:436)
[   55.268307][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.268462][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.268589][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.268713][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.268876][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.269008][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.269129][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.271110][   T12] ------------[ cut here ]------------
| [   55.271232][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.271469][   T12] Modules linked in:
| [   55.271849][   T12] Tainted: [W]=WARN
[   55.272567][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.272722][   T12] Workqueue: netns cleanup_net
[   55.272855][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.273072][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.273512][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.273666][   T12] RAX: 00000000ffffffa6 RBX: ff110000050b8040 RCX: 1ff4000000018eaf
[   55.273854][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050b80fc
[   55.274101][   T12] RBP: ff11000009b1c000 R08: 1fe2200000a17021 R09: ff11000001aed1d0
[   55.274285][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   55.274465][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   55.274652][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.274920][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.275075][   T12] CR2: 000055dfefeee650 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   55.275256][   T12] PKRU: 55555554
[   55.275348][   T12] Call Trace:
[   55.275439][   T12]  <TASK>
[   55.275503][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.275628][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.275750][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.275850][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.276027][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.276150][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.276301][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.276423][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.276548][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.276703][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.276832][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.277036][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.277157][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.277282][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.277406][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.277531][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.277652][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.277775][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.277956][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.278078][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.278198][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.278325][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.278447][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.278573][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.278693][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.278823][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.278994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.279116][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.279241][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.279363][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.279488][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.279615][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.279737][   T12]  kthread (kernel/kthread.c:436)
[   55.279834][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.280035][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.280158][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.280279][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.280431][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.280556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.280677][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.282967][   T12] ------------[ cut here ]------------
| [   55.283095][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.283328][   T12] Modules linked in:
| [   55.283694][   T12] Tainted: [W]=WARN
[   55.283782][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.283942][   T12] Workqueue: netns cleanup_net
[   55.284065][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.284222][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.284638][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.284787][   T12] RAX: 00000000ffffffa6 RBX: ff110000050b9000 RCX: 1ff4000000018ed5
[   55.284975][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050b90bc
[   55.285150][   T12] RBP: ff1100000ff79000 R08: 1fe2200000a17219 R09: ff11000001aed1d0
[   55.285329][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.285512][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.285688][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   55.285908][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.286055][   T12] CR2: 00007f7bdf6b4574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   55.286231][   T12] PKRU: 55555554
[   55.286317][   T12] Call Trace:
[   55.286405][   T12]  <TASK>
[   55.286466][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.286619][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.286768][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.286898][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.287020][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.287144][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.287262][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.287379][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.287497][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.287619][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.287735][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.287856][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.288026][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.288144][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.288261][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.288378][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.288497][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.288617][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.288736][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.288862][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.289030][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.289154][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.289322][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.289438][   T12]  kthread (kernel/kthread.c:436)
[   55.289530][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.289679][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.289800][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.289969][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.290119][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.290236][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.290354][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.292882][   T12] ------------[ cut here ]------------
| [   55.293004][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.293235][   T12] Modules linked in:
| [   55.293595][   T12] Tainted: [W]=WARN
[   55.293683][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.293848][   T12] Workqueue: netns cleanup_net
[   55.293976][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.294128][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.294545][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.294691][   T12] RAX: 00000000ffffffa6 RBX: ff110000050b9a80 RCX: 1ff4000000018ed5
[   55.294877][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050b9b3c
[   55.295056][   T12] RBP: ff110000092cc000 R08: 1fe2200000a17369 R09: ff11000001aed1d0
[   55.295230][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.295402][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.295577][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   55.295783][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.295940][   T12] CR2: 00007f7bdf6b4574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   55.296117][   T12] PKRU: 55555554
[   55.296205][   T12] Call Trace:
[   55.296292][   T12]  <TASK>
[   55.296353][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.296502][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.296651][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.296769][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.296902][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.297022][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.297144][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.297260][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.297377][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.297495][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.297616][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.297733][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.297857][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.297981][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.298100][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.298218][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.298337][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.298453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.298575][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.298696][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.298818][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.298943][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.299065][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.299181][   T12]  kthread (kernel/kthread.c:436)
[   55.299269][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.299414][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.299533][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.299650][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.299802][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.299927][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.300043][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.302403][   T12] ------------[ cut here ]------------
| [   55.302520][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.302745][   T12] Modules linked in:
| [   55.303659][   T12] Tainted: [W]=WARN
[   55.303749][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.303950][   T12] Workqueue: netns cleanup_net
[   55.304071][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.304221][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.304635][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.304780][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a00040 RCX: 1ff4000000018ed5
[   55.305006][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a000fc
[   55.305178][   T12] RBP: ff110000126c9000 R08: 1fe2200001340021 R09: ff11000001aed1d0
[   55.305350][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.305523][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.305699][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   55.305955][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.306101][   T12] CR2: 00007f7bdf6b4574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   55.306276][   T12] PKRU: 55555554
[   55.306362][   T12] Call Trace:
[   55.306449][   T12]  <TASK>
[   55.306514][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.306661][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.306807][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.306971][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.307093][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.307211][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.307329][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.307447][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.307568][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.307684][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.307804][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.307965][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.308082][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.308205][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.308321][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.308437][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.308557][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.308671][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.308789][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.308959][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.309075][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.309199][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.309320][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.309436][   T12]  kthread (kernel/kthread.c:436)
[   55.309528][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.309674][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.309799][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.309965][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.310112][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.310230][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.310346][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.313970][   T12] ------------[ cut here ]------------
| [   55.314096][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.314327][   T12] Modules linked in:
| [   55.314686][   T12] Tainted: [W]=WARN
[   55.314776][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.314935][   T12] Workqueue: netns cleanup_net
[   55.315057][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.315209][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.315642][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.315796][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31b700 RCX: 1ff4000000018ed5
[   55.315978][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b7bc
[   55.316153][   T12] RBP: ff11000007fa9000 R08: 1fe2200001a636f9 R09: ff11000001aed1d0
[   55.316328][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.316502][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.316682][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.316897][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.317045][   T12] CR2: 000055dfefeee650 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   55.317221][   T12] PKRU: 55555554
[   55.317308][   T12] Call Trace:
[   55.317396][   T12]  <TASK>
[   55.317463][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.317616][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.317766][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.317897][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.318026][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.318145][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.318265][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.318384][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.318503][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.318644][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.318763][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.318890][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.319010][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.319128][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.319247][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.319363][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.319482][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.319602][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.319721][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.319846][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.319966][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.320087][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.320209][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.320325][   T12]  kthread (kernel/kthread.c:436)
[   55.320415][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.320565][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.320683][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.320805][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.320957][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.321074][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.321191][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.323409][   T12] ------------[ cut here ]------------
| [   55.323531][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.323760][   T12] Modules linked in:
| [   55.324970][   T12] Tainted: [W]=WARN
[   55.325061][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.325210][   T12] Workqueue: netns cleanup_net
[   55.325332][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.325484][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.325991][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.326138][   T12] RAX: 00000000ffffffa6 RBX: ff1100000eeaa040 RCX: 1ff4000000018ed5
[   55.326333][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eeaa0fc
[   55.326507][   T12] RBP: ff11000010099000 R08: 1fe2200001dd5421 R09: ff11000001aed1d0
[   55.326683][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.326863][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.327045][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.327251][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.327397][   T12] CR2: 000055dfefeee650 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   55.327575][   T12] PKRU: 55555554
[   55.327662][   T12] Call Trace:
[   55.327748][   T12]  <TASK>
[   55.327814][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.327967][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.328113][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.328232][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.328352][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.328471][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.328592][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.328709][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.328833][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.328956][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.329072][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.329190][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.329307][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.329425][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.329546][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.329661][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.329778][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.329908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.330028][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.330148][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.330265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.330386][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.330508][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.330626][   T12]  kthread (kernel/kthread.c:436)
[   55.330715][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.330878][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.330998][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.331114][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.331262][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.331379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.331495][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.333851][   T12] ------------[ cut here ]------------
| [   55.334409][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.334643][   T12] Modules linked in:
| [   55.335049][   T12] Tainted: [W]=WARN
[   55.335137][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.335280][   T12] Workqueue: netns cleanup_net
[   55.335401][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.335553][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.336025][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.336171][   T12] RAX: 00000000ffffffa6 RBX: ff1100000eeaac80 RCX: 1ff4000000018ed5
[   55.336343][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eeaad3c
[   55.336518][   T12] RBP: ff1100000ef0c000 R08: 1fe2200001dd55a9 R09: ff11000001aed1d0
[   55.336694][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.336918][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.337092][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.337293][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.337441][   T12] CR2: 000055dfefeee650 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   55.337625][   T12] PKRU: 55555554
[   55.337711][   T12] Call Trace:
[   55.337804][   T12]  <TASK>
[   55.337912][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.338065][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.338209][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.338326][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.338447][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.338568][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.338686][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.338811][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.338976][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.339095][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.339212][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.339329][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.339446][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.339568][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.339686][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.339804][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.339970][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.340086][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.340203][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.340323][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.340439][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.340566][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.340686][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.340811][   T12]  kthread (kernel/kthread.c:436)
[   55.340946][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.341089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.341205][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.341322][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.341466][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.341585][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.341701][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.351724][   T12] ------------[ cut here ]------------
| [   55.352093][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.352335][   T12] Modules linked in:
| [   55.352692][   T12] Tainted: [W]=WARN
[   55.352778][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.353042][   T12] Workqueue: netns cleanup_net
[   55.353163][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.353312][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.353750][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.353998][   T12] RAX: 00000000ffffffa6 RBX: ff1100000eeab380 RCX: 1ff4000000018ed5
[   55.354170][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eeab43c
[   55.354340][   T12] RBP: ff11000008321000 R08: 1fe2200001dd5689 R09: ff11000001aed1d0
[   55.354516][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.354687][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.354863][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.355167][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.355314][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   55.355486][   T12] PKRU: 55555554
[   55.355572][   T12] Call Trace:
[   55.355657][   T12]  <TASK>
[   55.355717][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.355966][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.356201][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.356316][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.356437][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.356557][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.356672][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.356789][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.357004][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.357120][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.357235][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.357348][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.357464][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.357584][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.357699][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.357829][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.358030][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.358145][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.358262][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.358382][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.358497][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.358621][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.358739][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.358861][   T12]  kthread (kernel/kthread.c:436)
[   55.358995][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.359137][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.359252][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.359368][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.359516][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.359631][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.359748][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.362683][   T12] ------------[ cut here ]------------
| [   55.362823][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.363073][   T12] Modules linked in:
| [   55.363427][   T12] Tainted: [W]=WARN
[   55.363520][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.363668][   T12] Workqueue: netns cleanup_net
[   55.363797][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.363957][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.364374][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.364523][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a00900 RCX: 1ff4000000018ed5
[   55.364703][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a009bc
[   55.364889][   T12] RBP: ff11000009b1c000 R08: 1fe2200001340139 R09: ff11000001aed1d0
[   55.365079][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.365258][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.365438][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.365646][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.365798][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   55.366042][   T12] PKRU: 55555554
[   55.366212][   T12] Call Trace:
[   55.366301][   T12]  <TASK>
[   55.366361][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.366515][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.366660][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.366777][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.366954][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.367072][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.367190][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.367309][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.367427][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.367548][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.367664][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.367781][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.367951][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.368171][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.368356][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.368473][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.368599][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.368715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.368837][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.369009][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.369129][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.369251][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.369374][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.369495][   T12]  kthread (kernel/kthread.c:436)
[   55.369587][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.369730][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.369855][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.370020][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.370166][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.370284][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.370401][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.386846][  T958] ------------[ cut here ]------------
| [   55.387034][  T958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/958
| [   55.387308][  T958] Modules linked in:
| [   55.387771][  T958] Tainted: [W]=WARN
[   55.387946][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.388153][  T958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.388372][  T958] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.388898][  T958] RSP: 0018:ffa0000002d27a80 EFLAGS: 00010286
[   55.389116][  T958] RAX: 00000000ffffffa6 RBX: ff11000010abb000 RCX: 1ff40000005a4f16
[   55.389355][  T958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb0bc
[   55.389600][  T958] RBP: ff11000009b04000 R08: 1fe2200002157619 R09: ff110000107c8b80
[   55.389846][  T958] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.390163][  T958] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b04000
[   55.390450][  T958] FS:  00007f2011821840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.390725][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.390950][  T958] CR2: 00007f2011a28430 CR3: 00000000105a3002 CR4: 0000000000771ef0
[   55.391191][  T958] PKRU: 55555554
[   55.391343][  T958] Call Trace:
[   55.391486][  T958]  <TASK>
[   55.391604][  T958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.391783][  T958]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.391981][  T958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.392130][  T958]  register_netdevice (net/core/dev.c:11488)
[   55.392307][  T958]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.392519][  T958]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.392699][  T958]  register_netdev (net/core/dev.c:11552)
[   55.392898][  T958]  loopback_net_init (drivers/net/loopback.c:218)
[   55.393083][  T958]  ops_init (net/core/net_namespace.c:137)
[   55.393230][  T958]  setup_net (net/core/net_namespace.c:446)
[   55.393376][  T958]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.393559][  T958]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.393735][  T958]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.393933][  T958]  copy_net_ns (net/core/net_namespace.c:579)
[   55.394111][  T958]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.394292][  T958]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.394469][  T958]  ksys_unshare (kernel/fork.c:3243)
[   55.394658][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.394841][  T958]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.395032][  T958]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.395211][  T958]  ? __ia32_sys_open (fs/open.c:1374)
[   55.395389][  T958]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.395576][  T958]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.395755][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.395950][  T958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.396126][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.396303][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.396510][  T958] RIP: 0033:0x7f2011ae3bcb
[   55.396698][  T958] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.397226][  T958] RSP: 002b:00007ffe958838f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.397468][  T958] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2011ae3bcb
[   55.397714][  T958] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.397978][  T958] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.398218][  T958] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe95885b20
[   55.398457][  T958] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe95886847
| [   55.403126][  T958] ------------[ cut here ]------------
| [   55.403300][  T958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/958
| [   55.403579][  T958] Modules linked in:
| [   55.404059][  T958] Tainted: [W]=WARN
[   55.404203][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.404411][  T958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.404635][  T958] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.405163][  T958] RSP: 0018:ffa0000002d27918 EFLAGS: 00010286
[   55.405371][  T958] RAX: 00000000ffffffa6 RBX: ff1100000d5231c0 RCX: 1ff40000005a4ee9
[   55.405616][  T958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52327c
[   55.405863][  T958] RBP: ff11000008bac000 R08: 1fe2200001aa4651 R09: ff110000107c8b80
[   55.406117][  T958] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.406355][  T958] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bac000
[   55.406605][  T958] FS:  00007f2011821840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.406895][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.407106][  T958] CR2: 00007f2011a28430 CR3: 00000000105a3002 CR4: 0000000000771ef0
[   55.407344][  T958] PKRU: 55555554
[   55.407487][  T958] Call Trace:
[   55.407633][  T958]  <TASK>
[   55.407746][  T958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.407948][  T958]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.408125][  T958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.408271][  T958]  register_netdevice (net/core/dev.c:11488)
[   55.408451][  T958]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.408663][  T958]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.408848][  T958]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.409043][  T958]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.409221][  T958]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.409397][  T958]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.409584][  T958]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.409763][  T958]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   55.409964][  T958]  ops_init (net/core/net_namespace.c:137)
[   55.410111][  T958]  setup_net (net/core/net_namespace.c:446)
[   55.410255][  T958]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.410430][  T958]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.410616][  T958]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.410803][  T958]  copy_net_ns (net/core/net_namespace.c:579)
[   55.410998][  T958]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.411177][  T958]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.411354][  T958]  ksys_unshare (kernel/fork.c:3243)
[   55.411533][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.411710][  T958]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.411907][  T958]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.412088][  T958]  ? __ia32_sys_open (fs/open.c:1374)
[   55.412269][  T958]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.412444][  T958]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.412626][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.412809][  T958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.413000][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.413176][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.413381][  T958] RIP: 0033:0x7f2011ae3bcb
[   55.413569][  T958] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.414095][  T958] RSP: 002b:00007ffe958838f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.414335][  T958] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2011ae3bcb
[   55.414581][  T958] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.414829][  T958] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.415077][  T958] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe95885b20
[   55.415314][  T958] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe95886847
| [   55.419550][  T958] ------------[ cut here ]------------
| [   55.419725][  T958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/958
| [   55.420019][  T958] Modules linked in:
| [   55.420478][  T958] Tainted: [W]=WARN
[   55.420629][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.420846][  T958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.421081][  T958] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.421605][  T958] RSP: 0018:ffa0000002d278f8 EFLAGS: 00010286
[   55.421825][  T958] RAX: 00000000ffffffa6 RBX: ff1100000d522200 RCX: 1ff40000005a4ee5
[   55.422082][  T958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5222bc
[   55.422322][  T958] RBP: ff1100000ff64000 R08: 1fe2200001aa4459 R09: ff110000107c8b80
[   55.422574][  T958] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.422824][  T958] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff64000
[   55.423082][  T958] FS:  00007f2011821840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.423357][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.423578][  T958] CR2: 00007f2011a28430 CR3: 00000000105a3002 CR4: 0000000000771ef0
[   55.423829][  T958] PKRU: 55555554
[   55.423984][  T958] Call Trace:
[   55.424129][  T958]  <TASK>
[   55.424244][  T958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.424424][  T958]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.424612][  T958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.424764][  T958]  register_netdevice (net/core/dev.c:11488)
[   55.424964][  T958]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.425177][  T958]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.425358][  T958]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.425540][  T958]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.425719][  T958]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.425921][  T958]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.426105][  T958]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.426286][  T958]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.426465][  T958]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.426655][  T958]  vti_init_net (net/ipv4/ip_vti.c:517)
[   55.426841][  T958]  ops_init (net/core/net_namespace.c:137)
[   55.427002][  T958]  setup_net (net/core/net_namespace.c:446)
[   55.427149][  T958]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.427326][  T958]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.427508][  T958]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.427692][  T958]  copy_net_ns (net/core/net_namespace.c:579)
[   55.427894][  T958]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.428078][  T958]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.428257][  T958]  ksys_unshare (kernel/fork.c:3243)
[   55.428436][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.428620][  T958]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.428808][  T958]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.429002][  T958]  ? __ia32_sys_open (fs/open.c:1374)
[   55.429183][  T958]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.429362][  T958]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.429543][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.429722][  T958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.429918][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.430098][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.430310][  T958] RIP: 0033:0x7f2011ae3bcb
[   55.430494][  T958] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.431029][  T958] RSP: 002b:00007ffe958838f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.431276][  T958] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2011ae3bcb
[   55.431519][  T958] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.431761][  T958] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.432020][  T958] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe95885b20
[   55.432262][  T958] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe95886847
| [   55.436783][  T958] ------------[ cut here ]------------
| [   55.436973][  T958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/958
| [   55.437247][  T958] Modules linked in:
| [   55.437713][  T958] Tainted: [W]=WARN
[   55.437883][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.438098][  T958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.438313][  T958] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.438833][  T958] RSP: 0018:ffa0000002d27a78 EFLAGS: 00010286
[   55.439059][  T958] RAX: 00000000ffffffa6 RBX: ff1100000b7d5c40 RCX: 1ff40000005a4f15
[   55.439302][  T958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d5cfc
[   55.439551][  T958] RBP: ff110000050f9000 R08: 1fe22000016faba1 R09: ff110000107c8b80
[   55.439802][  T958] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.440056][  T958] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050f9000
[   55.440302][  T958] FS:  00007f2011821840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.440587][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.440806][  T958] CR2: 00007f2011a28430 CR3: 00000000105a3002 CR4: 0000000000771ef0
[   55.441063][  T958] PKRU: 55555554
[   55.441207][  T958] Call Trace:
[   55.441351][  T958]  <TASK>
[   55.441468][  T958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.441654][  T958]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.441840][  T958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.442001][  T958]  register_netdevice (net/core/dev.c:11488)
[   55.442180][  T958]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.442387][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.442574][  T958]  register_netdev (net/core/dev.c:11552)
[   55.442756][  T958]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   55.442953][  T958]  ops_init (net/core/net_namespace.c:137)
[   55.443100][  T958]  setup_net (net/core/net_namespace.c:446)
[   55.443247][  T958]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.443422][  T958]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.443610][  T958]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.443790][  T958]  copy_net_ns (net/core/net_namespace.c:579)
[   55.443993][  T958]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.444174][  T958]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.444354][  T958]  ksys_unshare (kernel/fork.c:3243)
[   55.444535][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.444714][  T958]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.444913][  T958]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.445093][  T958]  ? __ia32_sys_open (fs/open.c:1374)
[   55.445277][  T958]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.445454][  T958]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.445640][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.445825][  T958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.446016][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.446196][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.446403][  T958] RIP: 0033:0x7f2011ae3bcb
[   55.446592][  T958] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.447123][  T958] RSP: 002b:00007ffe958838f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.447364][  T958] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2011ae3bcb
[   55.447615][  T958] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.447880][  T958] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.448119][  T958] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe95885b20
[   55.448360][  T958] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe95886847
| [   55.459166][  T958] ------------[ cut here ]------------
| [   55.459345][  T958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/958
| [   55.459626][  T958] Modules linked in:
| [   55.460105][  T958] Tainted: [W]=WARN
[   55.460251][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.460471][  T958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.460697][  T958] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.461297][  T958] RSP: 0018:ffa0000002d27a68 EFLAGS: 00010286
[   55.461572][  T958] RAX: 00000000ffffffa6 RBX: ff1100000efa03c0 RCX: 1ff40000005a4f13
[   55.461887][  T958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa047c
[   55.462183][  T958] RBP: ff1100000a394000 R08: 1fe2200001df4091 R09: ff110000107c8b80
[   55.462477][  T958] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.462780][  T958] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a394000
[   55.463101][  T958] FS:  00007f2011821840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.463436][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.463709][  T958] CR2: 00007f2011a28430 CR3: 00000000105a3002 CR4: 0000000000771ef0
[   55.464032][  T958] PKRU: 55555554
[   55.464230][  T958] Call Trace:
[   55.464426][  T958]  <TASK>
[   55.464595][  T958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.464836][  T958]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.465080][  T958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.465279][  T958]  register_netdevice (net/core/dev.c:11488)
[   55.465514][  T958]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.465787][  T958]  register_netdev (net/core/dev.c:11552)
[   55.466037][  T958]  sit_init_net (net/ipv6/sit.c:1860)
[   55.466269][  T958]  ops_init (net/core/net_namespace.c:137)
[   55.466468][  T958]  setup_net (net/core/net_namespace.c:446)
[   55.466679][  T958]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.466934][  T958]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.467168][  T958]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.467405][  T958]  copy_net_ns (net/core/net_namespace.c:579)
[   55.467646][  T958]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.467900][  T958]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.468133][  T958]  ksys_unshare (kernel/fork.c:3243)
[   55.468364][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.468599][  T958]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.468837][  T958]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.469083][  T958]  ? __ia32_sys_open (fs/open.c:1374)
[   55.469318][  T958]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.469555][  T958]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.469785][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.470038][  T958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.470267][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.470497][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.470766][  T958] RIP: 0033:0x7f2011ae3bcb
[   55.471031][  T958] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.471594][  T958] RSP: 002b:00007ffe958838f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.471909][  T958] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2011ae3bcb
[   55.472206][  T958] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.472498][  T958] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.472809][  T958] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe95885b20
[   55.473116][  T958] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe95886847
| [   55.484403][  T958] ------------[ cut here ]------------
| [   55.484571][  T958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/958
| [   55.484799][  T958] Modules linked in:
| [   55.485239][  T958] Tainted: [W]=WARN
[   55.485337][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.485499][  T958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.485671][  T958] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.486141][  T958] RSP: 0018:ffa0000002d27a78 EFLAGS: 00010286
[   55.486303][  T958] RAX: 00000000ffffffa6 RBX: ff1100000e440c80 RCX: 1ff40000005a4f15
[   55.486496][  T958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e440d3c
[   55.486694][  T958] RBP: ff1100001241c000 R08: 1fe2200001c881a9 R09: ff110000107c8b80
[   55.486901][  T958] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.487093][  T958] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001241c000
[   55.487286][  T958] FS:  00007f2011821840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   55.487518][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.487681][  T958] CR2: 00007f7bdf6b4574 CR3: 00000000105a3005 CR4: 0000000000771ef0
[   55.487885][  T958] PKRU: 55555554
[   55.487982][  T958] Call Trace:
[   55.488079][  T958]  <TASK>
[   55.488146][  T958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.488276][  T958]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.488408][  T958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.488509][  T958]  register_netdevice (net/core/dev.c:11488)
[   55.488641][  T958]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.488807][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.488946][  T958]  register_netdev (net/core/dev.c:11552)
[   55.489075][  T958]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   55.489207][  T958]  ops_init (net/core/net_namespace.c:137)
[   55.489305][  T958]  setup_net (net/core/net_namespace.c:446)
[   55.489404][  T958]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.489535][  T958]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.489664][  T958]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.489800][  T958]  copy_net_ns (net/core/net_namespace.c:579)
[   55.489938][  T958]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.490071][  T958]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.490203][  T958]  ksys_unshare (kernel/fork.c:3243)
[   55.490331][  T958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.490459][  T958]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.490592][  T958]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.490721][  T958]  ? __ia32_sys_open (fs/open.c:1374)
[   55.490856][  T958]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.490989][  T958]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.491117][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.491248][  T958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.491377][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.491506][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.491667][  T958] RIP: 0033:0x7f2011ae3bcb
[   55.491808][  T958] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.492272][  T958] RSP: 002b:00007ffe958838f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.492466][  T958] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2011ae3bcb
[   55.492662][  T958] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.492862][  T958] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.493060][  T958] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe95885b20
[   55.493252][  T958] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe95886847
| [   55.502893][   T12] ------------[ cut here ]------------
| [   55.503030][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.503259][   T12] Modules linked in:
| [   55.503624][   T12] Tainted: [W]=WARN
[   55.503713][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.503864][   T12] Workqueue: netns cleanup_net
[   55.503992][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.504187][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.504625][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.504779][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7af1c0 RCX: 1ff4000000018eed
[   55.504965][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7af27c
[   55.505138][   T12] RBP: ff1100000ef7c000 R08: 1fe22000016f5e51 R09: ff11000001aed1d0
[   55.505309][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.505482][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.505657][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.505861][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.506013][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   55.506188][   T12] PKRU: 55555554
[   55.506274][   T12] Call Trace:
[   55.506360][   T12]  <TASK>
[   55.506421][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.506572][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.506714][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.506837][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.506964][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.507084][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.507202][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.507319][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.507435][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.507552][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.507675][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.507799][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.507926][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.508043][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.508157][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.508273][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.508392][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.508508][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.508629][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.508751][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.508880][   T12]  kthread (kernel/kthread.c:436)
[   55.508966][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.509109][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.509223][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.509339][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.509482][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.509601][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.509717][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.512528][   T12] ------------[ cut here ]------------
| [   55.512736][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.513002][   T12] Modules linked in:
| [   55.513355][   T12] Tainted: [W]=WARN
[   55.513441][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.513594][   T12] Workqueue: netns cleanup_net
[   55.513714][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.513882][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.514290][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.514437][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7af8c0 RCX: 1ff4000000018eed
[   55.514619][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7af97c
[   55.514797][   T12] RBP: ff11000005bb9000 R08: 1fe22000016f5f31 R09: ff11000001aed1d0
[   55.514975][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.515147][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.515320][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   55.515526][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.515671][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   55.515857][   T12] PKRU: 55555554
[   55.516001][   T12] Call Trace:
[   55.516088][   T12]  <TASK>
[   55.516149][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.516298][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.516440][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.516560][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.516681][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.516848][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.517013][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.517130][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.517246][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.517361][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.517479][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.517600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.517719][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.517841][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.518004][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.518120][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.518237][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.518352][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.518472][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.518596][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.518711][   T12]  kthread (kernel/kthread.c:436)
[   55.518821][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.519016][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.519137][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.519253][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.519397][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.519516][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.519631][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.522349][   T12] ------------[ cut here ]------------
| [   55.522515][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.522812][   T12] Modules linked in:
| [   55.523314][   T12] Tainted: [W]=WARN
[   55.523476][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.523675][   T12] Workqueue: netns cleanup_net
[   55.523858][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.524074][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.524533][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.524728][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5d0200 RCX: 1ff4000000018eed
[   55.524970][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5d02bc
[   55.525189][   T12] RBP: ff11000010bdc000 R08: 1fe2200001cba059 R09: ff11000001aed1d0
[   55.525408][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.525637][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.525884][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.526132][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.526325][   T12] CR2: 00007f2011a28430 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.526553][   T12] PKRU: 55555554
[   55.526689][   T12] Call Trace:
[   55.526829][   T12]  <TASK>
[   55.526951][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.527178][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.527369][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.527536][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.527702][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.527887][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.528086][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.528252][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.528418][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.528617][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.528785][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.528973][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.529135][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.529304][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.529467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.529642][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.529818][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.529996][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.530162][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.530331][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.530496][   T12]  kthread (kernel/kthread.c:436)
[   55.530642][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.530882][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.531048][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.531211][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.531405][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.531579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.531748][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.534220][   T12] ------------[ cut here ]------------
| [   55.534376][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.534657][   T12] Modules linked in:
| [   55.535432][   T12] Tainted: [W]=WARN
[   55.535572][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.535765][   T12] Workqueue: netns cleanup_net
[   55.535957][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.536155][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.536617][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.536821][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ed2a040 RCX: 1ff4000000018eed
[   55.537053][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed2a0fc
[   55.537271][   T12] RBP: ff110000108d4000 R08: 1fe2200001da5421 R09: ff11000001aed1d0
[   55.537489][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.537710][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.537954][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.538203][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.538394][   T12] CR2: 00007f2011a28430 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.538620][   T12] PKRU: 55555554
[   55.538753][   T12] Call Trace:
[   55.538909][   T12]  <TASK>
[   55.539018][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.539215][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.539406][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.539578][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.539745][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.539930][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.540099][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.540268][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.540432][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.540601][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.540767][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.540951][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.541112][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.541277][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.541442][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.541615][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.541782][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.541966][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.542139][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.542309][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.542472][   T12]  kthread (kernel/kthread.c:436)
[   55.542612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.542813][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.542989][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.543153][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.543345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.543509][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.543676][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.546111][   T12] ------------[ cut here ]------------
| [   55.546267][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.546544][   T12] Modules linked in:
| [   55.547015][   T12] Tainted: [W]=WARN
[   55.547148][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.547339][   T12] Workqueue: netns cleanup_net
[   55.547508][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.547711][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.548194][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.548387][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ed2a3c0 RCX: 1ff4000000018eed
[   55.548612][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed2a47c
[   55.548838][   T12] RBP: ff1100000ff6c000 R08: 1fe2200001da5491 R09: ff11000001aed1d0
[   55.549071][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.549290][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.549512][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.549769][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.549982][   T12] CR2: 00007f2011a28430 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.550201][   T12] PKRU: 55555554
[   55.550333][   T12] Call Trace:
[   55.550466][   T12]  <TASK>
[   55.550581][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.550778][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.550993][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.551157][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.551321][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.551483][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.551651][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.551823][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.552002][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.552166][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.552333][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.552497][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.552667][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.552841][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.553017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.553182][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.553349][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.553517][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.553687][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.553882][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.554048][   T12]  kthread (kernel/kthread.c:436)
[   55.554184][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.554375][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.554541][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.554709][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.554922][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.555086][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.555250][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.558003][  T959] ------------[ cut here ]------------
| [   55.558148][  T959] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/959
| [   55.558370][  T959] Modules linked in:
| [   55.558740][  T959] Tainted: [W]=WARN
[   55.558841][  T959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.559673][  T959] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.559849][  T959] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.560314][  T959] RSP: 0018:ffa0000002d37020 EFLAGS: 00010286
[   55.560477][  T959] RAX: 00000000ffffffa6 RBX: ff1100000ed2aac0 RCX: 1ff40000005a6dca
[   55.560674][  T959] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed2ab7c
[   55.560879][  T959] RBP: ff11000009b04000 R08: 1fe2200001da5571 R09: ff11000012505158
[   55.561074][  T959] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   55.561269][  T959] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.561463][  T959] FS:  00007f00134a0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.561695][  T959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.561864][  T959] CR2: 00007f00137701a0 CR3: 0000000009971001 CR4: 0000000000771ef0
[   55.562070][  T959] PKRU: 55555554
[   55.562166][  T959] Call Trace:
[   55.562263][  T959]  <TASK>
[   55.562331][  T959]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.562462][  T959]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.562564][  T959]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.562693][  T959]  __dev_notify_flags (net/core/dev.c:9787)
[   55.562833][  T959]  ? netif_change_name (net/core/dev.c:1495)
[   55.562973][  T959]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.563104][  T959]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.563233][  T959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.563363][  T959]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   55.563496][  T959]  netif_change_flags (net/core/dev.c:9820)
[   55.563631][  T959]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.563763][  T959]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.563907][  T959]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.564039][  T959]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.564201][  T959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.564330][  T959]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.564459][  T959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.564593][  T959]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.564726][  T959]  ? __kernel_text_address (kernel/extable.c:79)
[   55.564864][  T959]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.565000][  T959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.565130][  T959]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.565261][  T959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.565392][  T959]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.565522][  T959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.565651][  T959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.565782][  T959]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.565922][  T959]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   55.566052][  T959]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.566181][  T959]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.566312][  T959]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.566444][  T959]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.566579][  T959]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.566712][  T959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.566847][  T959]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.566980][  T959]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.567110][  T959]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.567237][  T959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.567368][  T959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.567496][  T959]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.567628][  T959]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.567759][  T959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.567900][  T959]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.568029][  T959]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.568157][  T959]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.568285][  T959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.568412][  T959]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.568547][  T959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.568675][  T959]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.568810][  T959]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.568943][  T959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.569072][  T959]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.569204][  T959]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.569332][  T959]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.569463][  T959]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.569599][  T959]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.569730][  T959]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.569873][  T959]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.570004][  T959]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.570134][  T959]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.570266][  T959]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.570395][  T959]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.570527][  T959]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.570686][  T959]  ? move_addr_to_kernel (net/socket.c:258)
[   55.570823][  T959]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.570957][  T959]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.571089][  T959]  ___sys_sendmsg (net/socket.c:2752)
[   55.571219][  T959]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.571379][  T959]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.571525][  T959]  __sys_sendmsg (net/socket.c:2784)
[   55.571656][  T959]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.571787][  T959]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.571963][  T959]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.572093][  T959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.572223][  T959]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.572350][  T959]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.572478][  T959]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.572610][  T959]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.572771][  T959] RIP: 0033:0x7f00136da08e
[   55.572914][  T959] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.573376][  T959] RSP: 002b:00007ffe3f7fc790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.573573][  T959] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f00136da08e
[   55.573768][  T959] RDX: 0000000000000000 RSI: 00007ffe3f7fc840 RDI: 0000000000000005
[   55.573973][  T959] RBP: 00007ffe3f7fc7a0 R08: 0000000000000000 R09: 0000000000000000
[   55.574166][  T959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd23
[   55.574359][  T959] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3f7fcf10
| [   55.584104][   T12] ------------[ cut here ]------------
| [   55.584273][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.584569][   T12] Modules linked in:
| [   55.585301][   T12] Tainted: [W]=WARN
[   55.585440][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.585645][   T12] Workqueue: netns cleanup_net
[   55.585833][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.586052][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.586545][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.586747][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ed2bc40 RCX: 1ff4000000018eaf
[   55.587022][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed2bcfc
[   55.587250][   T12] RBP: ff11000005011000 R08: 1fe2200001da57a1 R09: ff11000001aed1d0
[   55.587479][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.587711][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   55.587965][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.588224][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.588425][   T12] CR2: 00007f2011a28430 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.588662][   T12] PKRU: 55555554
[   55.588808][   T12] Call Trace:
[   55.588960][   T12]  <TASK>
[   55.589071][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.589243][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.589386][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.589564][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.589734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.589941][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.590113][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.590283][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.590486][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.590696][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   55.590885][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.591056][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   55.591227][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.591430][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.591612][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.591786][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.591980][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.592150][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.592320][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.592492][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.592667][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.592847][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.593062][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.593233][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.593406][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.593584][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.593771][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.593969][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.594172][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.594350][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.594532][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.594704][   T12]  kthread (kernel/kthread.c:436)
[   55.594854][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.595073][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.595245][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.595416][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.595627][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.595805][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.595990][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.598612][   T12] ------------[ cut here ]------------
| [   55.598773][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.599496][   T12] Modules linked in:
| [   55.600485][   T12] Tainted: [W]=WARN
[   55.600693][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.600957][   T12] Workqueue: netns cleanup_net
[   55.601205][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.601452][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.602005][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.602276][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c12a900 RCX: 1ff4000000018ed5
[   55.602549][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c12a9bc
[   55.602776][   T12] RBP: ff11000005011000 R08: 1fe2200001825539 R09: ff11000001aed1d0
[   55.603017][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.603242][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.603465][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.603730][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.603940][   T12] CR2: 00007f2011a28430 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   55.604198][   T12] PKRU: 55555554
[   55.604364][   T12] Call Trace:
[   55.604499][   T12]  <TASK>
[   55.604616][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.604855][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.605065][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.605236][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.605406][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.605582][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.605750][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.605941][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.606115][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.606280][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.606451][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.606625][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.606791][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.606981][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.607147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.607317][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.607488][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.607659][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.607839][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.608027][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.608194][   T12]  kthread (kernel/kthread.c:436)
[   55.608331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.608529][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.608700][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.608889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.609084][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.609252][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.609421][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.793624][  T967] ------------[ cut here ]------------
| [   55.793837][  T967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/967
| [   55.794129][  T967] Modules linked in:
| [   55.794595][  T967] Tainted: [W]=WARN
[   55.794740][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.794972][  T967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.795190][  T967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.795717][  T967] RSP: 0018:ffa0000002d87a80 EFLAGS: 00010286
[   55.795949][  T967] RAX: 00000000ffffffa6 RBX: ff11000008dc7a80 RCX: 1ff40000005b0f16
[   55.796191][  T967] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc7b3c
[   55.796429][  T967] RBP: ff1100000ef5c000 R08: 1fe22000011b8f69 R09: ff1100000ec38b80
[   55.796678][  T967] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.796937][  T967] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef5c000
[   55.797179][  T967] FS:  00007f543ed09840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.797452][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.797667][  T967] CR2: 00007f543ef0ac20 CR3: 00000000105a3006 CR4: 0000000000771ef0
[   55.797931][  T967] PKRU: 55555554
[   55.798076][  T967] Call Trace:
[   55.798221][  T967]  <TASK>
[   55.798335][  T967]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.798520][  T967]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.798700][  T967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.798855][  T967]  register_netdevice (net/core/dev.c:11488)
[   55.799047][  T967]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.799256][  T967]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.799433][  T967]  register_netdev (net/core/dev.c:11552)
[   55.799619][  T967]  loopback_net_init (drivers/net/loopback.c:218)
[   55.799809][  T967]  ops_init (net/core/net_namespace.c:137)
[   55.799971][  T967]  setup_net (net/core/net_namespace.c:446)
[   55.800118][  T967]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.800292][  T967]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.800469][  T967]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.800656][  T967]  copy_net_ns (net/core/net_namespace.c:579)
[   55.800844][  T967]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.801040][  T967]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.801216][  T967]  ksys_unshare (kernel/fork.c:3243)
[   55.801394][  T967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.801582][  T967]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.801758][  T967]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.801983][  T967]  ? __ia32_sys_open (fs/open.c:1374)
[   55.802174][  T967]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.802350][  T967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.802533][  T967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.802712][  T967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.802912][  T967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.803091][  T967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.803300][  T967] RIP: 0033:0x7f543efcbbcb
[   55.803481][  T967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.804012][  T967] RSP: 002b:00007ffc8ea99ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.804254][  T967] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f543efcbbcb
[   55.804493][  T967] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.804745][  T967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.805007][  T967] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8ea9c0f0
[   55.805246][  T967] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8ea9d847
| [   55.809901][  T967] ------------[ cut here ]------------
| [   55.810076][  T967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/967
| [   55.810345][  T967] Modules linked in:
| [   55.810812][  T967] Tainted: [W]=WARN
[   55.810971][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.811179][  T967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.811394][  T967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.811930][  T967] RSP: 0018:ffa0000002d87918 EFLAGS: 00010286
[   55.812141][  T967] RAX: 00000000ffffffa6 RBX: ff1100000e5d1c40 RCX: 1ff40000005b0ee9
[   55.812381][  T967] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5d1cfc
[   55.812627][  T967] RBP: ff11000009d11000 R08: 1fe2200001cba3a1 R09: ff1100000ec38b80
[   55.812888][  T967] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.813128][  T967] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009d11000
[   55.813369][  T967] FS:  00007f543ed09840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.813649][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.813881][  T967] CR2: 00007f543ef0ac20 CR3: 00000000105a3006 CR4: 0000000000771ef0
[   55.814126][  T967] PKRU: 55555554
[   55.814268][  T967] Call Trace:
[   55.814411][  T967]  <TASK>
[   55.814529][  T967]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.814708][  T967]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.814905][  T967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.815052][  T967]  register_netdevice (net/core/dev.c:11488)
[   55.815231][  T967]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.815440][  T967]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.815623][  T967]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.815808][  T967]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.815998][  T967]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.816177][  T967]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.816356][  T967]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.816536][  T967]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   55.816718][  T967]  ops_init (net/core/net_namespace.c:137)
[   55.816888][  T967]  setup_net (net/core/net_namespace.c:446)
[   55.817033][  T967]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.817207][  T967]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.817385][  T967]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.817572][  T967]  copy_net_ns (net/core/net_namespace.c:579)
[   55.817751][  T967]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.817953][  T967]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.818132][  T967]  ksys_unshare (kernel/fork.c:3243)
[   55.818310][  T967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.818487][  T967]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.818670][  T967]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.818859][  T967]  ? __ia32_sys_open (fs/open.c:1374)
[   55.819051][  T967]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.819231][  T967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.819406][  T967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.819590][  T967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.819767][  T967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.819968][  T967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.820175][  T967] RIP: 0033:0x7f543efcbbcb
[   55.820356][  T967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.820887][  T967] RSP: 002b:00007ffc8ea99ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.821130][  T967] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f543efcbbcb
[   55.821370][  T967] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.821619][  T967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.821879][  T967] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8ea9c0f0
[   55.822115][  T967] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8ea9d847
| [   55.826563][  T967] ------------[ cut here ]------------
| [   55.826735][  T967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/967
| [   55.827033][  T967] Modules linked in:
| [   55.827493][  T967] Tainted: [W]=WARN
[   55.827646][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.827879][  T967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.828098][  T967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.828619][  T967] RSP: 0018:ffa0000002d878f8 EFLAGS: 00010286
[   55.828841][  T967] RAX: 00000000ffffffa6 RBX: ff1100000e5d0c80 RCX: 1ff40000005b0ee5
[   55.829096][  T967] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5d0d3c
[   55.829336][  T967] RBP: ff11000005af1000 R08: 1fe2200001cba1a9 R09: ff1100000ec38b80
[   55.829589][  T967] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.829838][  T967] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005af1000
[   55.830095][  T967] FS:  00007f543ed09840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.830373][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.830592][  T967] CR2: 00007f543ef0ac20 CR3: 00000000105a3006 CR4: 0000000000771ef0
[   55.830844][  T967] PKRU: 55555554
[   55.831001][  T967] Call Trace:
[   55.831146][  T967]  <TASK>
[   55.831261][  T967]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.831440][  T967]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.831624][  T967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.831775][  T967]  register_netdevice (net/core/dev.c:11488)
[   55.831981][  T967]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.832193][  T967]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.832373][  T967]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.832558][  T967]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.832737][  T967]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.832941][  T967]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.833122][  T967]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.833303][  T967]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.833484][  T967]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.833669][  T967]  vti_init_net (net/ipv4/ip_vti.c:517)
[   55.833859][  T967]  ops_init (net/core/net_namespace.c:137)
[   55.834021][  T967]  setup_net (net/core/net_namespace.c:446)
[   55.834169][  T967]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.834346][  T967]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.834530][  T967]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.834810][  T967]  copy_net_ns (net/core/net_namespace.c:579)
[   55.835007][  T967]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.835188][  T967]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.835367][  T967]  ksys_unshare (kernel/fork.c:3243)
[   55.835644][  T967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.835832][  T967]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.836022][  T967]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.836205][  T967]  ? __ia32_sys_open (fs/open.c:1374)
[   55.836470][  T967]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.836657][  T967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.836842][  T967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.837034][  T967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.837297][  T967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.837475][  T967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.837689][  T967] RIP: 0033:0x7f543efcbbcb
[   55.837898][  T967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.838495][  T967] RSP: 002b:00007ffc8ea99ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.838841][  T967] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f543efcbbcb
[   55.839099][  T967] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.839340][  T967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.839677][  T967] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8ea9c0f0
[   55.839939][  T967] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8ea9d847
| [   55.844992][  T967] ------------[ cut here ]------------
| [   55.845186][  T967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/967
| [   55.845542][  T967] Modules linked in:
| [   55.846013][  T967] Tainted: [W]=WARN
[   55.846243][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.846451][  T967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.846674][  T967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.847206][  T967] RSP: 0018:ffa0000002d87a78 EFLAGS: 00010286
[   55.847417][  T967] RAX: 00000000ffffffa6 RBX: ff11000010a90900 RCX: 1ff40000005b0f15
[   55.847663][  T967] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a909bc
[   55.847925][  T967] RBP: ff1100001091c000 R08: 1fe2200002152139 R09: ff1100000ec38b80
[   55.848165][  T967] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.848490][  T967] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001091c000
[   55.848737][  T967] FS:  00007f543ed09840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.849122][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.849333][  T967] CR2: 00007f543ef0ac20 CR3: 00000000105a3006 CR4: 0000000000771ef0
[   55.849585][  T967] PKRU: 55555554
[   55.849820][  T967] Call Trace:
[   55.849979][  T967]  <TASK>
[   55.850092][  T967]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.850271][  T967]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.850451][  T967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.850689][  T967]  register_netdevice (net/core/dev.c:11488)
[   55.850889][  T967]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.851096][  T967]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.851276][  T967]  register_netdev (net/core/dev.c:11552)
[   55.851542][  T967]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   55.851722][  T967]  ops_init (net/core/net_namespace.c:137)
[   55.851888][  T967]  setup_net (net/core/net_namespace.c:446)
[   55.852034][  T967]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.852210][  T967]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.852474][  T967]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.852656][  T967]  copy_net_ns (net/core/net_namespace.c:579)
[   55.852844][  T967]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.853123][  T967]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.853305][  T967]  ksys_unshare (kernel/fork.c:3243)
[   55.853481][  T967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.853663][  T967]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.853849][  T967]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.854040][  T967]  ? __ia32_sys_open (fs/open.c:1374)
[   55.854220][  T967]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.854395][  T967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.854584][  T967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.854854][  T967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.855043][  T967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.855222][  T967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.855519][  T967] RIP: 0033:0x7f543efcbbcb
[   55.855707][  T967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.856327][  T967] RSP: 002b:00007ffc8ea99ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.856576][  T967] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f543efcbbcb
[   55.856820][  T967] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.857072][  T967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.857314][  T967] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8ea9c0f0
[   55.857649][  T967] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8ea9d847
| [   55.862614][  T967] ------------[ cut here ]------------
| [   55.862788][  T967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/967
| [   55.863158][  T967] Modules linked in:
| [   55.863621][  T967] Tainted: [W]=WARN
[   55.863769][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.864088][  T967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.864306][  T967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.864930][  T967] RSP: 0018:ffa0000002d87a68 EFLAGS: 00010286
[   55.865143][  T967] RAX: 00000000ffffffa6 RBX: ff1100000b7d4200 RCX: 1ff40000005b0f13
[   55.865470][  T967] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d42bc
[   55.865717][  T967] RBP: ff11000009c54000 R08: 1fe22000016fa859 R09: ff1100000ec38b80
[   55.865981][  T967] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.866312][  T967] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c54000
[   55.866561][  T967] FS:  00007f543ed09840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   55.866943][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.867161][  T967] CR2: 00007f543ef0ac20 CR3: 00000000105a3006 CR4: 0000000000771ef0
[   55.867412][  T967] PKRU: 55555554
[   55.867562][  T967] Call Trace:
[   55.867811][  T967]  <TASK>
[   55.867942][  T967]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.868124][  T967]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.868303][  T967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.868451][  T967]  register_netdevice (net/core/dev.c:11488)
[   55.868724][  T967]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.868954][  T967]  register_netdev (net/core/dev.c:11552)
[   55.869133][  T967]  sit_init_net (net/ipv6/sit.c:1860)
[   55.869397][  T967]  ops_init (net/core/net_namespace.c:137)
[   55.869548][  T967]  setup_net (net/core/net_namespace.c:446)
[   55.869696][  T967]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.869892][  T967]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.870071][  T967]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.870336][  T967]  copy_net_ns (net/core/net_namespace.c:579)
[   55.870522][  T967]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.870705][  T967]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.870907][  T967]  ksys_unshare (kernel/fork.c:3243)
[   55.871175][  T967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.871352][  T967]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.871531][  T967]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.871711][  T967]  ? __ia32_sys_open (fs/open.c:1374)
[   55.872008][  T967]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.872188][  T967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.872365][  T967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.872549][  T967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.872821][  T967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.873018][  T967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.873225][  T967] RIP: 0033:0x7f543efcbbcb
[   55.873408][  T967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.874050][  T967] RSP: 002b:00007ffc8ea99ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.874380][  T967] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f543efcbbcb
[   55.874629][  T967] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.874887][  T967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.875128][  T967] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8ea9c0f0
[   55.875369][  T967] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8ea9d847
| [   55.881778][  T967] ------------[ cut here ]------------
| [   55.881944][  T967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/967
| [   55.882170][  T967] Modules linked in:
| [   55.882544][  T967] Tainted: [W]=WARN
[   55.882642][  T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.882808][  T967] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.882983][  T967] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.883448][  T967] RSP: 0018:ffa0000002d87a78 EFLAGS: 00010286
[   55.883615][  T967] RAX: 00000000ffffffa6 RBX: ff1100000efa1e00 RCX: 1ff40000005b0f15
[   55.883816][  T967] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa1ebc
[   55.884020][  T967] RBP: ff11000010094000 R08: 1fe2200001df43d9 R09: ff1100000ec38b80
[   55.884215][  T967] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.884409][  T967] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010094000
[   55.884610][  T967] FS:  00007f543ed09840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   55.884843][  T967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.885012][  T967] CR2: 000055dfdb5e2d5c CR3: 00000000105a3001 CR4: 0000000000771ef0
[   55.885208][  T967] PKRU: 55555554
[   55.885306][  T967] Call Trace:
[   55.885404][  T967]  <TASK>
[   55.885472][  T967]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.885606][  T967]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.885737][  T967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.885843][  T967]  register_netdevice (net/core/dev.c:11488)
[   55.885978][  T967]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.886139][  T967]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.886271][  T967]  register_netdev (net/core/dev.c:11552)
[   55.886401][  T967]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   55.886536][  T967]  ops_init (net/core/net_namespace.c:137)
[   55.886636][  T967]  setup_net (net/core/net_namespace.c:446)
[   55.886735][  T967]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.886875][  T967]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.887007][  T967]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.887139][  T967]  copy_net_ns (net/core/net_namespace.c:579)
[   55.887269][  T967]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.887402][  T967]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.887537][  T967]  ksys_unshare (kernel/fork.c:3243)
[   55.887668][  T967]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.887803][  T967]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.887940][  T967]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.888073][  T967]  ? __ia32_sys_open (fs/open.c:1374)
[   55.888206][  T967]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.888335][  T967]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.888464][  T967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.888596][  T967]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.888728][  T967]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.888874][  T967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.889035][  T967] RIP: 0033:0x7f543efcbbcb
[   55.889170][  T967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   55.889638][  T967] RSP: 002b:00007ffc8ea99ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.889839][  T967] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f543efcbbcb
[   55.890039][  T967] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.890232][  T967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.890425][  T967] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc8ea9c0f0
[   55.890624][  T967] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8ea9d847
| [   55.920891][  T968] ------------[ cut here ]------------
| [   55.921036][  T968] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/968
| [   55.921260][  T968] Modules linked in:
| [   55.921629][  T968] Tainted: [W]=WARN
[   55.921730][  T968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.921908][  T968] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.922077][  T968] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.922538][  T968] RSP: 0018:ffa0000002d87020 EFLAGS: 00010286
[   55.922703][  T968] RAX: 00000000ffffffa6 RBX: ff1100000909d000 RCX: 1ff40000005b0dca
[   55.922907][  T968] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909d0bc
[   55.923099][  T968] RBP: ff1100000ef5c000 R08: 1fe2200001213a19 R09: ff11000012565158
[   55.923291][  T968] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   55.923484][  T968] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.923680][  T968] FS:  00007fa6d1e6b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   55.923917][  T968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.924079][  T968] CR2: 0000000017eb6988 CR3: 000000000c16e002 CR4: 0000000000771ef0
[   55.924274][  T968] PKRU: 55555554
[   55.924373][  T968] Call Trace:
[   55.924471][  T968]  <TASK>
[   55.924543][  T968]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.924675][  T968]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.924774][  T968]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.924913][  T968]  __dev_notify_flags (net/core/dev.c:9787)
[   55.925047][  T968]  ? netif_change_name (net/core/dev.c:1495)
[   55.925178][  T968]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.925310][  T968]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.925440][  T968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.925574][  T968]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   55.925707][  T968]  netif_change_flags (net/core/dev.c:9820)
[   55.925841][  T968]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.926403][  T968]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.926541][  T968]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.926673][  T968]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.926841][  T968]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.926975][  T968]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.927104][  T968]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.927233][  T968]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.927366][  T968]  ? __kernel_text_address (kernel/extable.c:79)
[   55.927499][  T968]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.927636][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.927766][  T968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.927908][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.928037][  T968]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.928165][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.928294][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.928426][  T968]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.928562][  T968]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   55.928693][  T968]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.928830][  T968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.928966][  T968]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.929099][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.929232][  T968]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.929364][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.929491][  T968]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.929627][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.929755][  T968]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.929897][  T968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.930031][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.930160][  T968]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.930289][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.930419][  T968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.930553][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.930684][  T968]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.930820][  T968]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.930955][  T968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.931084][  T968]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.931214][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.931342][  T968]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.931471][  T968]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.931606][  T968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.931735][  T968]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.931879][  T968]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.932007][  T968]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.932139][  T968]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.932269][  T968]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.932399][  T968]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.932535][  T968]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.932665][  T968]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.932804][  T968]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.932943][  T968]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.933074][  T968]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.933203][  T968]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.933363][  T968]  ? move_addr_to_kernel (net/socket.c:258)
[   55.933493][  T968]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.933627][  T968]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.933758][  T968]  ___sys_sendmsg (net/socket.c:2752)
[   55.933898][  T968]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.934058][  T968]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.934200][  T968]  __sys_sendmsg (net/socket.c:2784)
[   55.934330][  T968]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.934478][  T968]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.934646][  T968]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.934778][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.934921][  T968]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.935052][  T968]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.935180][  T968]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.935309][  T968]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.935469][  T968] RIP: 0033:0x7fa6d20a508e
[   55.935610][  T968] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.936082][  T968] RSP: 002b:00007ffebe1530d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.936276][  T968] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa6d20a508e
[   55.936471][  T968] RDX: 0000000000000000 RSI: 00007ffebe153180 RDI: 0000000000000005
[   55.936667][  T968] RBP: 00007ffebe1530e0 R08: 0000000000000000 R09: 0000000000000000
[   55.936872][  T968] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd24
[   55.937066][  T968] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebe153850
| [   56.131123][  T976] ------------[ cut here ]------------
| [   56.131317][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/976
| [   56.131600][  T976] Modules linked in:
| [   56.132645][  T976] Tainted: [W]=WARN
[   56.132787][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.133018][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.133232][  T976] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.133738][  T976] RSP: 0018:ffa0000002de7a80 EFLAGS: 00010286
[   56.133968][  T976] RAX: 00000000ffffffa6 RBX: ff1100000c04b1c0 RCX: 1ff40000005bcf16
[   56.134205][  T976] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b27c
[   56.134441][  T976] RBP: ff1100000ff61000 R08: 1fe2200001809651 R09: ff11000010242e80
[   56.134683][  T976] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.134942][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff61000
[   56.135184][  T976] FS:  00007fdb13dad840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.135452][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.135665][  T976] CR2: 00007fdb13faec20 CR3: 0000000004d53002 CR4: 0000000000771ef0
[   56.135919][  T976] PKRU: 55555554
[   56.136062][  T976] Call Trace:
[   56.136203][  T976]  <TASK>
[   56.136317][  T976]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.136493][  T976]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.136676][  T976]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.136829][  T976]  register_netdevice (net/core/dev.c:11488)
[   56.137018][  T976]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.137222][  T976]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.137397][  T976]  register_netdev (net/core/dev.c:11552)
[   56.137583][  T976]  loopback_net_init (drivers/net/loopback.c:218)
[   56.137759][  T976]  ops_init (net/core/net_namespace.c:137)
[   56.137920][  T976]  setup_net (net/core/net_namespace.c:446)
[   56.138064][  T976]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.138234][  T976]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.138407][  T976]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.138590][  T976]  copy_net_ns (net/core/net_namespace.c:579)
[   56.138769][  T976]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.138965][  T976]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.139138][  T976]  ksys_unshare (kernel/fork.c:3243)
[   56.139313][  T976]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.139487][  T976]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.139667][  T976]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.139853][  T976]  ? __ia32_sys_open (fs/open.c:1374)
[   56.140046][  T976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.140220][  T976]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.140393][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.140574][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.140749][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.140944][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.141148][  T976] RIP: 0033:0x7fdb1406fbcb
[   56.141328][  T976] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.141842][  T976] RSP: 002b:00007ffcea461938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   56.142094][  T976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb1406fbcb
[   56.142329][  T976] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.142575][  T976] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.142816][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcea463b60
[   56.143066][  T976] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcea465847
| [   56.147443][  T976] ------------[ cut here ]------------
| [   56.147615][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/976
| [   56.147905][  T976] Modules linked in:
| [   56.148351][  T976] Tainted: [W]=WARN
[   56.148492][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.148701][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.148935][  T976] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.149433][  T976] RSP: 0018:ffa0000002de7918 EFLAGS: 00010286
[   56.149647][  T976] RAX: 00000000ffffffa6 RBX: ff1100000c04ac80 RCX: 1ff40000005bcee9
[   56.149902][  T976] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04ad3c
[   56.150136][  T976] RBP: ff110000098ac000 R08: 1fe22000018095a9 R09: ff11000010242e80
[   56.150372][  T976] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.150613][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098ac000
[   56.150859][  T976] FS:  00007fdb13dad840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.151137][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.151344][  T976] CR2: 00007fdb13faec20 CR3: 0000000004d53002 CR4: 0000000000771ef0
[   56.151587][  T976] PKRU: 55555554
[   56.151726][  T976] Call Trace:
[   56.151886][  T976]  <TASK>
[   56.151997][  T976]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.152170][  T976]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.152341][  T976]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.152487][  T976]  register_netdevice (net/core/dev.c:11488)
[   56.152665][  T976]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.152886][  T976]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.153061][  T976]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   56.153235][  T976]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   56.153406][  T976]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   56.153589][  T976]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   56.153765][  T976]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   56.153959][  T976]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   56.154131][  T976]  ops_init (net/core/net_namespace.c:137)
[   56.154274][  T976]  setup_net (net/core/net_namespace.c:446)
[   56.154416][  T976]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.154592][  T976]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.154765][  T976]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.154961][  T976]  copy_net_ns (net/core/net_namespace.c:579)
[   56.155138][  T976]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.155314][  T976]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.155487][  T976]  ksys_unshare (kernel/fork.c:3243)
[   56.155663][  T976]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.155842][  T976]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.156026][  T976]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.156204][  T976]  ? __ia32_sys_open (fs/open.c:1374)
[   56.156376][  T976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.156553][  T976]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.156726][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.156915][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.157088][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.157260][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.157462][  T976] RIP: 0033:0x7fdb1406fbcb
[   56.157652][  T976] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.158166][  T976] RSP: 002b:00007ffcea461938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   56.158401][  T976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb1406fbcb
[   56.158643][  T976] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.158897][  T976] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.159128][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcea463b60
[   56.159359][  T976] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcea465847
| [   56.169584][  T976] ------------[ cut here ]------------
| [   56.169753][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/976
| [   56.170042][  T976] Modules linked in:
| [   56.170486][  T976] Tainted: [W]=WARN
[   56.170630][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.170843][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.171068][  T976] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.171569][  T976] RSP: 0018:ffa0000002de78f8 EFLAGS: 00010286
[   56.171775][  T976] RAX: 00000000ffffffa6 RBX: ff1100000fe90e40 RCX: 1ff40000005bcee5
[   56.172034][  T976] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe90efc
[   56.172268][  T976] RBP: ff1100000ef8c000 R08: 1fe2200001fd21e1 R09: ff11000010242e80
[   56.172501][  T976] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.172742][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef8c000
[   56.173034][  T976] FS:  00007fdb13dad840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.173297][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.173501][  T976] CR2: 00007fdb13faec20 CR3: 0000000004d53002 CR4: 0000000000771ef0
[   56.173745][  T976] PKRU: 55555554
[   56.173906][  T976] Call Trace:
[   56.174046][  T976]  <TASK>
[   56.174161][  T976]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.174335][  T976]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.174508][  T976]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.174658][  T976]  register_netdevice (net/core/dev.c:11488)
[   56.174841][  T976]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.175057][  T976]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.175231][  T976]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   56.175407][  T976]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   56.175588][  T976]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   56.175763][  T976]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   56.175951][  T976]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   56.176125][  T976]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   56.176298][  T976]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.176474][  T976]  vti_init_net (net/ipv4/ip_vti.c:517)
[   56.176655][  T976]  ops_init (net/core/net_namespace.c:137)
[   56.176809][  T976]  setup_net (net/core/net_namespace.c:446)
[   56.176962][  T976]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.177134][  T976]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.177307][  T976]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.177481][  T976]  copy_net_ns (net/core/net_namespace.c:579)
[   56.177662][  T976]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.177844][  T976]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.178032][  T976]  ksys_unshare (kernel/fork.c:3243)
[   56.178205][  T976]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.178377][  T976]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.178556][  T976]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.178728][  T976]  ? __ia32_sys_open (fs/open.c:1374)
[   56.178919][  T976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.179091][  T976]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.179265][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.179438][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.179617][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.179791][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.180011][  T976] RIP: 0033:0x7fdb1406fbcb
[   56.180189][  T976] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.180688][  T976] RSP: 002b:00007ffcea461938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   56.180945][  T976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb1406fbcb
[   56.181177][  T976] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.181410][  T976] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.181651][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcea463b60
[   56.181907][  T976] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcea465847
| [   56.186812][  T976] ------------[ cut here ]------------
| [   56.187009][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/976
| [   56.187267][  T976] Modules linked in:
| [   56.187713][  T976] Tainted: [W]=WARN
[   56.187861][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.188073][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.188280][  T976] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.188775][  T976] RSP: 0018:ffa0000002de7a78 EFLAGS: 00010286
[   56.188997][  T976] RAX: 00000000ffffffa6 RBX: ff110000109b9540 RCX: 1ff40000005bcf15
[   56.189227][  T976] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b95fc
[   56.189457][  T976] RBP: ff11000008edc000 R08: 1fe22000021372c1 R09: ff11000010242e80
[   56.189699][  T976] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.189948][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008edc000
[   56.190183][  T976] FS:  00007fdb13dad840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.190446][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.190654][  T976] CR2: 00007fdb13faec20 CR3: 0000000004d53002 CR4: 0000000000771ef0
[   56.190909][  T976] PKRU: 55555554
[   56.191048][  T976] Call Trace:
[   56.191187][  T976]  <TASK>
[   56.191295][  T976]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.191465][  T976]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.191645][  T976]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.191786][  T976]  register_netdevice (net/core/dev.c:11488)
[   56.191981][  T976]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.192181][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.192354][  T976]  register_netdev (net/core/dev.c:11552)
[   56.192526][  T976]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   56.192700][  T976]  ops_init (net/core/net_namespace.c:137)
[   56.192848][  T976]  setup_net (net/core/net_namespace.c:446)
[   56.193002][  T976]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.193173][  T976]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.193345][  T976]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.193521][  T976]  copy_net_ns (net/core/net_namespace.c:579)
[   56.193696][  T976]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.193887][  T976]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.194059][  T976]  ksys_unshare (kernel/fork.c:3243)
[   56.194230][  T976]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.194402][  T976]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.194581][  T976]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.194752][  T976]  ? __ia32_sys_open (fs/open.c:1374)
[   56.194946][  T976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.195116][  T976]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.195285][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.195455][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.195637][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.195817][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.196029][  T976] RIP: 0033:0x7fdb1406fbcb
[   56.196203][  T976] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.196697][  T976] RSP: 002b:00007ffcea461938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   56.196954][  T976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb1406fbcb
[   56.197183][  T976] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.197412][  T976] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.197647][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcea463b60
[   56.197901][  T976] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcea465847
| [   56.203308][  T976] ------------[ cut here ]------------
| [   56.203473][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/976
| [   56.203739][  T976] Modules linked in:
| [   56.204363][  T976] Tainted: [W]=WARN
[   56.204561][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.204821][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.205099][  T976] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.205647][  T976] RSP: 0018:ffa0000002de7a68 EFLAGS: 00010286
[   56.205925][  T976] RAX: 00000000ffffffa6 RBX: ff110000105f2740 RCX: 1ff40000005bcf13
[   56.206218][  T976] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f27fc
[   56.206505][  T976] RBP: ff110000100c1000 R08: 1fe22000020be501 R09: ff11000010242e80
[   56.206807][  T976] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.207104][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100c1000
[   56.207391][  T976] FS:  00007fdb13dad840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.207715][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.208010][  T976] CR2: 00007fdb13faec20 CR3: 0000000004d53002 CR4: 0000000000771ef0
[   56.208300][  T976] PKRU: 55555554
[   56.208489][  T976] Call Trace:
[   56.208687][  T976]  <TASK>
[   56.208859][  T976]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.209156][  T976]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.209385][  T976]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.209581][  T976]  register_netdevice (net/core/dev.c:11488)
[   56.209813][  T976]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.210084][  T976]  register_netdev (net/core/dev.c:11552)
[   56.210311][  T976]  sit_init_net (net/ipv6/sit.c:1860)
[   56.210544][  T976]  ops_init (net/core/net_namespace.c:137)
[   56.210741][  T976]  setup_net (net/core/net_namespace.c:446)
[   56.210956][  T976]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.211180][  T976]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.211400][  T976]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.211633][  T976]  copy_net_ns (net/core/net_namespace.c:579)
[   56.211892][  T976]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.212078][  T976]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.212255][  T976]  ksys_unshare (kernel/fork.c:3243)
[   56.212425][  T976]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.212604][  T976]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.212775][  T976]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.212967][  T976]  ? __ia32_sys_open (fs/open.c:1374)
[   56.213140][  T976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.213312][  T976]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.213486][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.213661][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.213838][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.214023][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.214225][  T976] RIP: 0033:0x7fdb1406fbcb
[   56.214401][  T976] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.214917][  T976] RSP: 002b:00007ffcea461938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   56.215152][  T976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb1406fbcb
[   56.215383][  T976] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.215619][  T976] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.215879][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcea463b60
[   56.216110][  T976] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcea465847
| [   56.221183][  T976] ------------[ cut here ]------------
| [   56.221354][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/976
| [   56.221628][  T976] Modules linked in:
| [   56.222096][  T976] Tainted: [W]=WARN
[   56.222238][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.222440][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.222657][  T976] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.223174][  T976] RSP: 0018:ffa0000002de7a78 EFLAGS: 00010286
[   56.223381][  T976] RAX: 00000000ffffffa6 RBX: ff1100000caa1c40 RCX: 1ff40000005bcf15
[   56.223624][  T976] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa1cfc
[   56.223893][  T976] RBP: ff11000009434000 R08: 1fe22000019543a1 R09: ff11000010242e80
[   56.224127][  T976] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.224372][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009434000
[   56.224617][  T976] FS:  00007fdb13dad840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.224966][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.225246][  T976] CR2: 00007fdb13faec20 CR3: 0000000004d53002 CR4: 0000000000771ef0
[   56.225547][  T976] PKRU: 55555554
[   56.225740][  T976] Call Trace:
[   56.225959][  T976]  <TASK>
[   56.226125][  T976]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.226354][  T976]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.226593][  T976]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.226790][  T976]  register_netdevice (net/core/dev.c:11488)
[   56.227037][  T976]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.227295][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.227530][  T976]  register_netdev (net/core/dev.c:11552)
[   56.227756][  T976]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   56.228003][  T976]  ops_init (net/core/net_namespace.c:137)
[   56.228198][  T976]  setup_net (net/core/net_namespace.c:446)
[   56.228393][  T976]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.228624][  T976]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.228861][  T976]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.229152][  T976]  copy_net_ns (net/core/net_namespace.c:579)
[   56.229383][  T976]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.229616][  T976]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.229850][  T976]  ksys_unshare (kernel/fork.c:3243)
[   56.230087][  T976]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.230315][  T976]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.230554][  T976]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.230780][  T976]  ? __ia32_sys_open (fs/open.c:1374)
[   56.231029][  T976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.231253][  T976]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.231478][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.231667][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.231844][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.232033][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.232242][  T976] RIP: 0033:0x7fdb1406fbcb
[   56.232421][  T976] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.232947][  T976] RSP: 002b:00007ffcea461938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   56.233192][  T976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb1406fbcb
[   56.233427][  T976] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.233672][  T976] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.233933][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcea463b60
[   56.234170][  T976] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcea465847
| [   56.267127][  T977] ------------[ cut here ]------------
| [   56.267321][  T977] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/977
| [   56.267597][  T977] Modules linked in:
| [   56.268596][  T977] Tainted: [W]=WARN
[   56.268773][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.269011][  T977] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.269227][  T977] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.269743][  T977] RSP: 0018:ffa0000002df7020 EFLAGS: 00010286
[   56.269978][  T977] RAX: 00000000ffffffa6 RBX: ff11000009a01380 RCX: 1ff40000005bedca
[   56.270218][  T977] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0143c
[   56.270457][  T977] RBP: ff1100000ff61000 R08: 1fe2200001340289 R09: ff11000010245158
[   56.270708][  T977] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   56.270971][  T977] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.271212][  T977] FS:  00007f6fdacf3840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.271483][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.271701][  T977] CR2: 0000000034c0e988 CR3: 0000000004d53005 CR4: 0000000000771ef0
[   56.271963][  T977] PKRU: 55555554
[   56.272108][  T977] Call Trace:
[   56.272251][  T977]  <TASK>
[   56.272365][  T977]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.272551][  T977]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.272698][  T977]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.272897][  T977]  __dev_notify_flags (net/core/dev.c:9787)
[   56.273078][  T977]  ? netif_change_name (net/core/dev.c:1495)
[   56.273257][  T977]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.273434][  T977]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.273618][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.273805][  T977]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   56.274000][  T977]  netif_change_flags (net/core/dev.c:9820)
[   56.274178][  T977]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.274357][  T977]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.274539][  T977]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.274718][  T977]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.274949][  T977]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.275126][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.275304][  T977]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.275482][  T977]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.275665][  T977]  ? __kernel_text_address (kernel/extable.c:79)
[   56.275853][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.276047][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.276225][  T977]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.276404][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.276589][  T977]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.276792][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.277019][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.277228][  T977]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.277450][  T977]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   56.277666][  T977]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.277910][  T977]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.278093][  T977]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.278273][  T977]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.278454][  T977]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.278643][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.278827][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.279020][  T977]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.279197][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.279377][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.279569][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.279749][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.279952][  T977]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.280135][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.280319][  T977]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.280501][  T977]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.280692][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.280892][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.281073][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.281251][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.281426][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.281617][  T977]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.281804][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.281995][  T977]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.282177][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.282354][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.282537][  T977]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.282720][  T977]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.282920][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.283104][  T977]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.283286][  T977]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.283464][  T977]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.283658][  T977]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.283846][  T977]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.284035][  T977]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.284243][  T977]  ? move_addr_to_kernel (net/socket.c:258)
[   56.284421][  T977]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.284609][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.284788][  T977]  ___sys_sendmsg (net/socket.c:2752)
[   56.284984][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.285195][  T977]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.285385][  T977]  __sys_sendmsg (net/socket.c:2784)
[   56.285582][  T977]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.285774][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.286033][  T977]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.286247][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.286463][  T977]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.286670][  T977]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.286898][  T977]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.287100][  T977]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.287313][  T977] RIP: 0033:0x7f6fdaf2d08e
[   56.287500][  T977] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.288070][  T977] RSP: 002b:00007ffed70c1d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.288333][  T977] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6fdaf2d08e
[   56.288580][  T977] RDX: 0000000000000000 RSI: 00007ffed70c1e40 RDI: 0000000000000005
[   56.288827][  T977] RBP: 00007ffed70c1da0 R08: 0000000000000000 R09: 0000000000000000
[   56.289083][  T977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd24
[   56.289322][  T977] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed70c2510
| [   56.494414][  T985] ------------[ cut here ]------------
| [   56.494602][  T985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/985
| [   56.494839][  T985] Modules linked in:
| [   56.495216][  T985] Tainted: [W]=WARN
[   56.495314][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.495478][  T985] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.495655][  T985] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.496134][  T985] RSP: 0018:ffa0000002e67a80 EFLAGS: 00010286
[   56.496302][  T985] RAX: 00000000ffffffa6 RBX: ff1100000dc27700 RCX: 1ff40000005ccf16
[   56.496497][  T985] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc277bc
[   56.496697][  T985] RBP: ff1100000a38c000 R08: 1fe2200001b84ef9 R09: ff11000010275180
[   56.496906][  T985] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.497102][  T985] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a38c000
[   56.497300][  T985] FS:  00007f808b03f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   56.497537][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.497707][  T985] CR2: 00007f808b246430 CR3: 000000000edb0006 CR4: 0000000000771ef0
[   56.497914][  T985] PKRU: 55555554
[   56.498012][  T985] Call Trace:
[   56.498110][  T985]  <TASK>
[   56.498178][  T985]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.498311][  T985]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.498445][  T985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.498550][  T985]  register_netdevice (net/core/dev.c:11488)
[   56.498683][  T985]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.498855][  T985]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.498993][  T985]  register_netdev (net/core/dev.c:11552)
[   56.499125][  T985]  loopback_net_init (drivers/net/loopback.c:218)
[   56.499259][  T985]  ops_init (net/core/net_namespace.c:137)
[   56.499360][  T985]  setup_net (net/core/net_namespace.c:446)
[   56.499459][  T985]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.499593][  T985]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.499725][  T985]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.499873][  T985]  copy_net_ns (net/core/net_namespace.c:579)
[   56.500007][  T985]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.500143][  T985]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.500279][  T985]  ksys_unshare (kernel/fork.c:3243)
[   56.500411][  T985]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.500548][  T985]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.500680][  T985]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.500864][  T985]  ? __ia32_sys_open (fs/open.c:1374)
[   56.501003][  T985]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.501133][  T985]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.501264][  T985]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.501395][  T985]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.501532][  T985]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.501663][  T985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.501835][  T985] RIP: 0033:0x7f808b301bcb
[   56.501976][  T985] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.502446][  T985] RSP: 002b:00007ffd29b1c648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.502646][  T985] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f808b301bcb
[   56.502847][  T985] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.503049][  T985] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.503242][  T985] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd29b1e870
[   56.503440][  T985] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd29b1f847
| [   56.507831][  T985] ------------[ cut here ]------------
| [   56.508016][  T985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/985
| [   56.508243][  T985] Modules linked in:
| [   56.508665][  T985] Tainted: [W]=WARN
[   56.508766][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.508972][  T985] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.509142][  T985] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.509702][  T985] RSP: 0018:ffa0000002e67918 EFLAGS: 00010286
[   56.509881][  T985] RAX: 00000000ffffffa6 RBX: ff1100000ee518c0 RCX: 1ff40000005ccee9
[   56.510082][  T985] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5197c
[   56.510370][  T985] RBP: ff1100000a379000 R08: 1fe2200001dca331 R09: ff11000010275180
[   56.510574][  T985] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.510772][  T985] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a379000
[   56.510979][  T985] FS:  00007f808b03f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   56.511207][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.511370][  T985] CR2: 00007f808b246430 CR3: 000000000edb0006 CR4: 0000000000771ef0
[   56.511656][  T985] PKRU: 55555554
[   56.511753][  T985] Call Trace:
[   56.511857][  T985]  <TASK>
[   56.511929][  T985]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.512147][  T985]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.512281][  T985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.512383][  T985]  register_netdevice (net/core/dev.c:11488)
[   56.512548][  T985]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.512847][  T985]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.512995][  T985]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   56.513148][  T985]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   56.513307][  T985]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   56.513558][  T985]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   56.513723][  T985]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   56.513864][  T985]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   56.514006][  T985]  ops_init (net/core/net_namespace.c:137)
[   56.514193][  T985]  setup_net (net/core/net_namespace.c:446)
[   56.514312][  T985]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.514464][  T985]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.514600][  T985]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.514733][  T985]  copy_net_ns (net/core/net_namespace.c:579)
[   56.514961][  T985]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.515095][  T985]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.515225][  T985]  ksys_unshare (kernel/fork.c:3243)
[   56.515353][  T985]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.515572][  T985]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.515700][  T985]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.515836][  T985]  ? __ia32_sys_open (fs/open.c:1374)
[   56.516058][  T985]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.516186][  T985]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.516315][  T985]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.516444][  T985]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.516578][  T985]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.516793][  T985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.516997][  T985] RIP: 0033:0x7f808b301bcb
[   56.517132][  T985] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.517688][  T985] RSP: 002b:00007ffd29b1c648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.517894][  T985] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f808b301bcb
[   56.518088][  T985] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.518279][  T985] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.518561][  T985] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd29b1e870
[   56.518755][  T985] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd29b1f847
| [   56.523244][  T985] ------------[ cut here ]------------
| [   56.523374][  T985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/985
| [   56.523683][  T985] Modules linked in:
| [   56.524575][  T985] Tainted: [W]=WARN
[   56.524675][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.524844][  T985] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.525072][  T985] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.525544][  T985] RSP: 0018:ffa0000002e678f8 EFLAGS: 00010286
[   56.525709][  T985] RAX: 00000000ffffffa6 RBX: ff1100000d637e00 RCX: 1ff40000005ccee5
[   56.525978][  T985] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637ebc
[   56.526174][  T985] RBP: ff1100001267c000 R08: 1fe2200001ac6fd9 R09: ff11000010275180
[   56.526371][  T985] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.526569][  T985] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001267c000
[   56.526766][  T985] FS:  00007f808b03f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   56.527056][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.527218][  T985] CR2: 00007f808b246430 CR3: 000000000edb0006 CR4: 0000000000771ef0
[   56.527416][  T985] PKRU: 55555554
[   56.527516][  T985] Call Trace:
[   56.527613][  T985]  <TASK>
[   56.527680][  T985]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.527818][  T985]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.528004][  T985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.528104][  T985]  register_netdevice (net/core/dev.c:11488)
[   56.528236][  T985]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.528398][  T985]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.528536][  T985]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   56.528666][  T985]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   56.528801][  T985]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   56.528990][  T985]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   56.529122][  T985]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   56.529254][  T985]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   56.529385][  T985]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.529520][  T985]  vti_init_net (net/ipv4/ip_vti.c:517)
[   56.529651][  T985]  ops_init (net/core/net_namespace.c:137)
[   56.529752][  T985]  setup_net (net/core/net_namespace.c:446)
[   56.529855][  T985]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.530128][  T985]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.530260][  T985]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.530394][  T985]  copy_net_ns (net/core/net_namespace.c:579)
[   56.530530][  T985]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.530662][  T985]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.530794][  T985]  ksys_unshare (kernel/fork.c:3243)
[   56.530986][  T985]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.531119][  T985]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.531250][  T985]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.531382][  T985]  ? __ia32_sys_open (fs/open.c:1374)
[   56.531606][  T985]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.531735][  T985]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.531924][  T985]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.532056][  T985]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.532188][  T985]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.532319][  T985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.532575][  T985] RIP: 0033:0x7f808b301bcb
[   56.532714][  T985] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.533336][  T985] RSP: 002b:00007ffd29b1c648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.533540][  T985] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f808b301bcb
[   56.533735][  T985] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.533991][  T985] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.534185][  T985] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd29b1e870
[   56.534379][  T985] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd29b1f847
| [   56.538882][  T985] ------------[ cut here ]------------
| [   56.539027][  T985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/985
| [   56.539249][  T985] Modules linked in:
| [   56.539610][  T985] Tainted: [W]=WARN
[   56.539707][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.539885][  T985] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.540053][  T985] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.540509][  T985] RSP: 0018:ffa0000002e67a78 EFLAGS: 00010286
[   56.540672][  T985] RAX: 00000000ffffffa6 RBX: ff1100000f1b5a80 RCX: 1ff40000005ccf15
[   56.540878][  T985] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5b3c
[   56.541077][  T985] RBP: ff1100000d58c000 R08: 1fe2200001e36b69 R09: ff11000010275180
[   56.541269][  T985] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   56.541460][  T985] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d58c000
[   56.541657][  T985] FS:  00007f808b03f840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   56.541901][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.542064][  T985] CR2: 00007f274d4dc000 CR3: 000000000edb0003 CR4: 0000000000771ef0
[   56.542257][  T985] PKRU: 55555554
[   56.542353][  T985] Call Trace:
[   56.542449][  T985]  <TASK>
[   56.542518][  T985]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.542656][  T985]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.542785][  T985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.542897][  T985]  register_netdevice (net/core/dev.c:11488)
[   56.543028][  T985]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.543187][  T985]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.543317][  T985]  register_netdev (net/core/dev.c:11552)
[   56.543445][  T985]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   56.543577][  T985]  ops_init (net/core/net_namespace.c:137)
[   56.543676][  T985]  setup_net (net/core/net_namespace.c:446)
[   56.543774][  T985]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.543915][  T985]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.544045][  T985]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.544175][  T985]  copy_net_ns (net/core/net_namespace.c:579)
[   56.544303][  T985]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.544433][  T985]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.544566][  T985]  ksys_unshare (kernel/fork.c:3243)
[   56.544694][  T985]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.544830][  T985]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.544963][  T985]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.545093][  T985]  ? __ia32_sys_open (fs/open.c:1374)
[   56.545225][  T985]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.545352][  T985]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.545480][  T985]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.545609][  T985]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.545737][  T985]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.545878][  T985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.546043][  T985] RIP: 0033:0x7f808b301bcb
[   56.546179][  T985] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.546637][  T985] RSP: 002b:00007ffd29b1c648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.546836][  T985] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f808b301bcb
[   56.547033][  T985] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.547225][  T985] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.547419][  T985] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd29b1e870
[   56.547613][  T985] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd29b1f847
| [   56.552340][  T985] ------------[ cut here ]------------
| [   56.552472][  T985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/985
| [   56.552697][  T985] Modules linked in:
| [   56.553071][  T985] Tainted: [W]=WARN
[   56.553169][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.553329][  T985] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.553498][  T985] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.553974][  T985] RSP: 0018:ffa0000002e67a68 EFLAGS: 00010286
[   56.554138][  T985] RAX: 00000000ffffffa6 RBX: ff1100000d52f700 RCX: 1ff40000005ccf13
[   56.554329][  T985] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f7bc
[   56.554521][  T985] RBP: ff1100000f3f9000 R08: 1fe2200001aa5ef9 R09: ff11000010275180
[   56.554713][  T985] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   56.554967][  T985] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3f9000
[   56.555160][  T985] FS:  00007f808b03f840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   56.555385][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.555549][  T985] CR2: 00007f274d4dc000 CR3: 000000000edb0003 CR4: 0000000000771ef0
[   56.555747][  T985] PKRU: 55555554
[   56.555849][  T985] Call Trace:
[   56.555999][  T985]  <TASK>
[   56.556065][  T985]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.556194][  T985]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.556324][  T985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.556423][  T985]  register_netdevice (net/core/dev.c:11488)
[   56.556554][  T985]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.556718][  T985]  register_netdev (net/core/dev.c:11552)
[   56.556855][  T985]  sit_init_net (net/ipv6/sit.c:1860)
[   56.557040][  T985]  ops_init (net/core/net_namespace.c:137)
[   56.557140][  T985]  setup_net (net/core/net_namespace.c:446)
[   56.557238][  T985]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.557366][  T985]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.557494][  T985]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.557629][  T985]  copy_net_ns (net/core/net_namespace.c:579)
[   56.557763][  T985]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.557956][  T985]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.558086][  T985]  ksys_unshare (kernel/fork.c:3243)
[   56.558214][  T985]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.558341][  T985]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.558469][  T985]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.558602][  T985]  ? __ia32_sys_open (fs/open.c:1374)
[   56.558734][  T985]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.558922][  T985]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.559051][  T985]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.559178][  T985]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.559307][  T985]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.559434][  T985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.559597][  T985] RIP: 0033:0x7f808b301bcb
[   56.559732][  T985] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.560253][  T985] RSP: 002b:00007ffd29b1c648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.560445][  T985] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f808b301bcb
[   56.560643][  T985] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.560839][  T985] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.561089][  T985] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd29b1e870
[   56.561281][  T985] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd29b1f847
| [   56.566235][  T985] ------------[ cut here ]------------
| [   56.566413][  T985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/985
| [   56.566690][  T985] Modules linked in:
| [   56.567166][  T985] Tainted: [W]=WARN
[   56.567309][  T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.567519][  T985] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.567739][  T985] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.568266][  T985] RSP: 0018:ffa0000002e67a78 EFLAGS: 00010286
[   56.568473][  T985] RAX: 00000000ffffffa6 RBX: ff1100000a9a7000 RCX: 1ff40000005ccf15
[   56.568717][  T985] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a70bc
[   56.568979][  T985] RBP: ff1100001046c000 R08: 1fe2200001534e19 R09: ff11000010275180
[   56.569217][  T985] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.569454][  T985] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001046c000
[   56.569703][  T985] FS:  00007f808b03f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   56.570007][  T985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.570219][  T985] CR2: 00007ff7a9cf4574 CR3: 000000000edb0004 CR4: 0000000000771ef0
[   56.570470][  T985] PKRU: 55555554
[   56.570621][  T985] Call Trace:
[   56.570765][  T985]  <TASK>
[   56.570895][  T985]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.571072][  T985]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.571247][  T985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.571395][  T985]  register_netdevice (net/core/dev.c:11488)
[   56.571581][  T985]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   56.571786][  T985]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.571985][  T985]  register_netdev (net/core/dev.c:11552)
[   56.572161][  T985]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   56.572337][  T985]  ops_init (net/core/net_namespace.c:137)
[   56.572483][  T985]  setup_net (net/core/net_namespace.c:446)
[   56.572636][  T985]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   56.572819][  T985]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   56.573075][  T985]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   56.573306][  T985]  copy_net_ns (net/core/net_namespace.c:579)
[   56.573527][  T985]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.573705][  T985]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.573903][  T985]  ksys_unshare (kernel/fork.c:3243)
[   56.574084][  T985]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.574260][  T985]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   56.574436][  T985]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   56.574620][  T985]  ? __ia32_sys_open (fs/open.c:1374)
[   56.574808][  T985]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.574997][  T985]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   56.575181][  T985]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.575360][  T985]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.575537][  T985]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.575715][  T985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.575945][  T985] RIP: 0033:0x7f808b301bcb
[   56.576126][  T985] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.576639][  T985] RSP: 002b:00007ffd29b1c648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.576901][  T985] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f808b301bcb
[   56.577140][  T985] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.577378][  T985] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.577624][  T985] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd29b1e870
[   56.577882][  T985] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd29b1f847
| [   56.601542][  T986] ------------[ cut here ]------------
| [   56.601685][  T986] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/986
| [   56.602361][  T986] Modules linked in:
| [   56.602727][  T986] Tainted: [W]=WARN
[   56.602832][  T986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.603001][  T986] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.603170][  T986] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.603629][  T986] RSP: 0018:ffa0000002e77020 EFLAGS: 00010286
[   56.603793][  T986] RAX: 00000000ffffffa6 RBX: ff1100000a16ac80 RCX: 1ff40000005cedca
[   56.603997][  T986] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16ad3c
[   56.604187][  T986] RBP: ff1100000a38c000 R08: 1fe220000142d5a9 R09: ff11000010270b58
[   56.604376][  T986] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   56.604570][  T986] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.604762][  T986] FS:  00007fc62ef2f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   56.605001][  T986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.605162][  T986] CR2: 0000000008ee5988 CR3: 0000000010171002 CR4: 0000000000771ef0
[   56.605355][  T986] PKRU: 55555554
[   56.605450][  T986] Call Trace:
[   56.605548][  T986]  <TASK>
[   56.605615][  T986]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.605747][  T986]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.605849][  T986]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.605983][  T986]  __dev_notify_flags (net/core/dev.c:9787)
[   56.606116][  T986]  ? netif_change_name (net/core/dev.c:1495)
[   56.606245][  T986]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.606373][  T986]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.606500][  T986]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.606634][  T986]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   56.606765][  T986]  netif_change_flags (net/core/dev.c:9820)
[   56.606908][  T986]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.607037][  T986]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.607169][  T986]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.607299][  T986]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.607459][  T986]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.607592][  T986]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.607720][  T986]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.607854][  T986]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.607989][  T986]  ? __kernel_text_address (kernel/extable.c:79)
[   56.608117][  T986]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.608249][  T986]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.608379][  T986]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.608511][  T986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.608640][  T986]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.608769][  T986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.608908][  T986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.609037][  T986]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.609167][  T986]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   56.609296][  T986]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.609426][  T986]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.609560][  T986]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.609693][  T986]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.609831][  T986]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.609968][  T986]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.610096][  T986]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.610224][  T986]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.610353][  T986]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.610482][  T986]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.610615][  T986]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.610744][  T986]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.610881][  T986]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.611011][  T986]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.611141][  T986]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.611272][  T986]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.611401][  T986]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.611534][  T986]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.611662][  T986]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.611794][  T986]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.611933][  T986]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.612063][  T986]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.612193][  T986]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.612322][  T986]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.612456][  T986]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.612590][  T986]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.612721][  T986]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.612858][  T986]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.612992][  T986]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.613122][  T986]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.613252][  T986]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.613382][  T986]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.613518][  T986]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.613649][  T986]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.613778][  T986]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.613951][  T986]  ? move_addr_to_kernel (net/socket.c:258)
[   56.614081][  T986]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.614210][  T986]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.614340][  T986]  ___sys_sendmsg (net/socket.c:2752)
[   56.614469][  T986]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.614633][  T986]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.614776][  T986]  __sys_sendmsg (net/socket.c:2784)
[   56.614915][  T986]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.615045][  T986]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.615207][  T986]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.615337][  T986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.615469][  T986]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.615602][  T986]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.615733][  T986]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.615872][  T986]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.616034][  T986] RIP: 0033:0x7fc62f16908e
[   56.616169][  T986] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.616631][  T986] RSP: 002b:00007ffd8e5eb8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.616831][  T986] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc62f16908e
[   56.617029][  T986] RDX: 0000000000000000 RSI: 00007ffd8e5eb950 RDI: 0000000000000005
[   56.617222][  T986] RBP: 00007ffd8e5eb8b0 R08: 0000000000000000 R09: 0000000000000000
[   56.617417][  T986] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd24
[   56.617613][  T986] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8e5ec020
| [   57.073116][ T1005] ------------[ cut here ]------------
| [   57.073315][ T1005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1005
| [   57.073589][ T1005] Modules linked in:
| [   57.073984][ T1005] Tainted: [W]=WARN
[   57.074087][ T1005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.074260][ T1005] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.074437][ T1005] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.074929][ T1005] RSP: 0018:ffa0000002f66e30 EFLAGS: 00010286
[   57.075111][ T1005] RAX: 00000000ffffffa6 RBX: ff1100000f1b7000 RCX: 1ff40000005ecd8c
[   57.075328][ T1005] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b70bc
[   57.075531][ T1005] RBP: ff11000007861000 R08: 1fe2200001e36e19 R09: ff1100000fca2e80
[   57.075733][ T1005] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.075945][ T1005] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2fa700
[   57.076154][ T1005] FS:  00007f9029478840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.076405][ T1005] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.076579][ T1005] CR2: 000000000042ebe0 CR3: 000000000f0e0001 CR4: 0000000000771ef0
[   57.076785][ T1005] PKRU: 55555554
[   57.076899][ T1005] Call Trace:
[   57.077002][ T1005]  <TASK>
[   57.077073][ T1005]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   57.077241][ T1005]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.077379][ T1005]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.077480][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.077617][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.077749][ T1005]  __dev_notify_flags (net/core/dev.c:9787)
[   57.078019][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.078153][ T1005]  ? netif_change_name (net/core/dev.c:1495)
[   57.078312][ T1005]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   57.078468][ T1005]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   57.078642][ T1005]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   57.078818][ T1005]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.079048][ T1005]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   57.079181][ T1005]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   57.079314][ T1005]  veth_newlink (drivers/net/veth.c:1871)
[   57.079447][ T1005]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   57.079578][ T1005]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.079709][ T1005]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.079844][ T1005]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.080046][ T1005]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   57.080253][ T1005]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   57.080383][ T1005]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.080517][ T1005]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.080648][ T1005]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   57.080780][ T1005]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   57.080993][ T1005]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.081123][ T1005]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.081254][ T1005]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.081389][ T1005]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.081525][ T1005]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.081655][ T1005]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.081785][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.082007][ T1005]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.082138][ T1005]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.082268][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.082402][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.082536][ T1005]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.082667][ T1005]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.082806][ T1005]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.083016][ T1005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.083148][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.083280][ T1005]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.083409][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.083543][ T1005]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.083674][ T1005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.083809][ T1005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.084020][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.084152][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.084285][ T1005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.084417][ T1005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.084551][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.084683][ T1005]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.084842][ T1005]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.085066][ T1005]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.085200][ T1005]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.085333][ T1005]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.085463][ T1005]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.085630][ T1005]  ? move_addr_to_kernel (net/socket.c:258)
[   57.085769][ T1005]  ___sys_sendmsg (net/socket.c:2752)
[   57.085960][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.086090][ T1005]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.086230][ T1005]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.086365][ T1005]  __sys_sendmsg (net/socket.c:2784)
[   57.086502][ T1005]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.086644][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.086778][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.086974][ T1005]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.087105][ T1005]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.087238][ T1005]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.087371][ T1005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.087539][ T1005] RIP: 0033:0x7f90296b208e
[   57.087678][ T1005] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.088300][ T1005] RSP: 002b:00007ffeec630900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.088551][ T1005] RAX: ffffffffffffffda RBX: 00007ffeec6310a8 RCX: 00007f90296b208e
[   57.088750][ T1005] RDX: 0000000000000000 RSI: 00007ffeec6309b0 RDI: 0000000000000005
[   57.089048][ T1005] RBP: 00007ffeec630910 R08: 0000000000000000 R09: 0000000000000000
[   57.089244][ T1005] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.089473][ T1005] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeec631080
| [   57.105560][ T1005] ------------[ cut here ]------------
| [   57.105763][ T1005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1005
| [   57.106102][ T1005] Modules linked in:
| [   57.106557][ T1005] Tainted: [W]=WARN
[   57.106673][ T1005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.106855][ T1005] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.107519][ T1005] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.108050][ T1005] RSP: 0018:ffa0000002f671b0 EFLAGS: 00010286
[   57.108221][ T1005] RAX: 00000000ffffffa6 RBX: ff11000010abaac0 RCX: 1ff40000005ecdfc
[   57.108423][ T1005] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abab7c
[   57.108632][ T1005] RBP: ff110000091a4000 R08: 1fe2200002157571 R09: ff1100000fca2e80
[   57.108842][ T1005] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.109048][ T1005] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   57.109253][ T1005] FS:  00007f9029478840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.109491][ T1005] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.109667][ T1005] CR2: 000000000042ebe0 CR3: 000000000f0e0001 CR4: 0000000000771ef0
[   57.109882][ T1005] PKRU: 55555554
[   57.109987][ T1005] Call Trace:
[   57.110088][ T1005]  <TASK>
[   57.110159][ T1005]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.110298][ T1005]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.110402][ T1005]  __dev_notify_flags (net/core/dev.c:9787)
[   57.110545][ T1005]  ? netif_change_name (net/core/dev.c:1495)
[   57.110684][ T1005]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.110825][ T1005]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.110970][ T1005]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.111108][ T1005]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.111246][ T1005]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.111382][ T1005]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.111518][ T1005]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.111661][ T1005]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.111808][ T1005]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.111953][ T1005]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.112090][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.112227][ T1005]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.112366][ T1005]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.112503][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.112648][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.112786][ T1005]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.112935][ T1005]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.113072][ T1005]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.113208][ T1005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.113341][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.113475][ T1005]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.113610][ T1005]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.113749][ T1005]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.113898][ T1005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.114036][ T1005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.114178][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.114314][ T1005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.114455][ T1005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.114595][ T1005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.114732][ T1005]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.114882][ T1005]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.115050][ T1005]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.115188][ T1005]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.115327][ T1005]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.115465][ T1005]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.115605][ T1005]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.115774][ T1005]  ? move_addr_to_kernel (net/socket.c:258)
[   57.115943][ T1005]  ___sys_sendmsg (net/socket.c:2752)
[   57.116081][ T1005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.116219][ T1005]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.116366][ T1005]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.116507][ T1005]  __sys_sendmsg (net/socket.c:2784)
[   57.116647][ T1005]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.116791][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.116939][ T1005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.117078][ T1005]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.117216][ T1005]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.117353][ T1005]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.117492][ T1005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.117667][ T1005] RIP: 0033:0x7f90296b208e
[   57.117817][ T1005] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.118313][ T1005] RSP: 002b:00007ffeec630900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.118522][ T1005] RAX: ffffffffffffffda RBX: 00007ffeec6310a8 RCX: 00007f90296b208e
[   57.118728][ T1005] RDX: 0000000000000000 RSI: 00007ffeec6309b0 RDI: 0000000000000005
[   57.118941][ T1005] RBP: 00007ffeec630910 R08: 0000000000000000 R09: 0000000000000000
[   57.119146][ T1005] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.119346][ T1005] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeec631080
| [   57.156096][ T1006] ------------[ cut here ]------------
| [   57.156306][ T1006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1006
| [   57.156613][ T1006] Modules linked in:
| [   57.157086][ T1006] Tainted: [W]=WARN
[   57.157229][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.157434][ T1006] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.157654][ T1006] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.158222][ T1006] RSP: 0018:ffa0000002f76ff8 EFLAGS: 00010286
[   57.158431][ T1006] RAX: 00000000ffffffa6 RBX: ff1100000a9a6c80 RCX: 1ff40000005eedc5
[   57.158704][ T1006] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a6d3c
[   57.159035][ T1006] RBP: ff11000007861000 R08: 1fe2200001534da9 R09: ff1100000fca0b58
[   57.159265][ T1006] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.159514][ T1006] R13: 0000000000000000 R14: ffa0000002f77140 R15: ff1100000b54c3d0
[   57.159768][ T1006] FS:  00007f51237fe840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.160076][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.160324][ T1006] CR2: 0000000027133988 CR3: 00000000124f2001 CR4: 0000000000771ef0
[   57.160619][ T1006] PKRU: 55555554
[   57.160792][ T1006] Call Trace:
[   57.160992][ T1006]  <TASK>
[   57.161108][ T1006]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   57.161292][ T1006]  __dev_change_net_namespace (net/core/dev.c:12635)
[   57.161502][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.161685][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.161888][ T1006]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.162097][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.162275][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.162455][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.162642][ T1006]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.162828][ T1006]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.163019][ T1006]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.163199][ T1006]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.163377][ T1006]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.163594][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.163772][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.163973][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.164150][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.164329][ T1006]  ? __kernel_text_address (kernel/extable.c:79)
[   57.164509][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.164694][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.164889][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.165069][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.165247][ T1006]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.165423][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.165610][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.165790][ T1006]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.165993][ T1006]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.166171][ T1006]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.166348][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.166532][ T1006]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.166710][ T1006]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.166912][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.167093][ T1006]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.167273][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.167450][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.167635][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.167820][ T1006]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.168010][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.168189][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.168367][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.168554][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.168733][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.168934][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.169113][ T1006]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.169290][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.169463][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.169645][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.169830][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.170029][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.170207][ T1006]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.170386][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.170572][ T1006]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.170755][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.170952][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.171135][ T1006]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.171318][ T1006]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.171498][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.171684][ T1006]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.171887][ T1006]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.172064][ T1006]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.172242][ T1006]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.172417][ T1006]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.172598][ T1006]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.172809][ T1006]  ? move_addr_to_kernel (net/socket.c:258)
[   57.173001][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.173176][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.173352][ T1006]  ___sys_sendmsg (net/socket.c:2752)
[   57.173532][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.173744][ T1006]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.173959][ T1006]  __sys_sendmsg (net/socket.c:2784)
[   57.174139][ T1006]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.174315][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.174531][ T1006]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.174712][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.174915][ T1006]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.175093][ T1006]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.175272][ T1006]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.175453][ T1006]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.175670][ T1006] RIP: 0033:0x7f5123a3808e
[   57.175879][ T1006] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.176390][ T1006] RSP: 002b:00007ffe19c8dff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.176646][ T1006] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5123a3808e
[   57.176910][ T1006] RDX: 0000000000000000 RSI: 00007ffe19c8e0a0 RDI: 0000000000000005
[   57.177153][ T1006] RBP: 00007ffe19c8e000 R08: 0000000000000000 R09: 0000000000000000
[   57.177397][ T1006] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.177650][ T1006] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe19c8e770
| [   57.185475][ T1006] ------------[ cut here ]------------
| [   57.185660][ T1006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1006
| [   57.186468][ T1006] Modules linked in:
| [   57.187272][ T1006] Tainted: [W]=WARN
[   57.187470][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.187740][ T1006] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.188032][ T1006] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.188632][ T1006] RSP: 0018:ffa0000002f76fc0 EFLAGS: 00010286
[   57.188947][ T1006] RAX: 00000000ffffffa6 RBX: ff1100000a9a71c0 RCX: 1ff40000005eedbe
[   57.189302][ T1006] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a727c
[   57.189650][ T1006] RBP: ff11000007861000 R08: 1fe2200001534e51 R09: ff1100000fca0b58
[   57.190004][ T1006] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.190298][ T1006] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b54c3d0
[   57.190629][ T1006] FS:  00007f51237fe840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.190995][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.191259][ T1006] CR2: 0000000027133988 CR3: 00000000124f2001 CR4: 0000000000771ef0
[   57.191562][ T1006] PKRU: 55555554
[   57.191758][ T1006] Call Trace:
[   57.191973][ T1006]  <TASK>
[   57.192138][ T1006]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.192371][ T1006]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.192608][ T1006]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.192816][ T1006]  __dev_change_net_namespace (net/core/dev.c:12695)
[   57.193091][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.193340][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.193579][ T1006]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.193931][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.194163][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.194391][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.194661][ T1006]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.194953][ T1006]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.195229][ T1006]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.195502][ T1006]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.195765][ T1006]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.196047][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.196292][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.196525][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.196708][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.196903][ T1006]  ? __kernel_text_address (kernel/extable.c:79)
[   57.197081][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.197261][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.197436][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.197621][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.197850][ T1006]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.198046][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.198221][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.198395][ T1006]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.198580][ T1006]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.198759][ T1006]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.198957][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.199135][ T1006]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.199310][ T1006]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.199489][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.199675][ T1006]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.199860][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.200047][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.200225][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.200400][ T1006]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.200584][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.200763][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.200958][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.201139][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.201345][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.201533][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.201715][ T1006]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.201917][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.202097][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.202277][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.202462][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.202649][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.202841][ T1006]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.203038][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.203224][ T1006]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.203406][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.203588][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.203767][ T1006]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.203966][ T1006]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.204144][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.204324][ T1006]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.204501][ T1006]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.204685][ T1006]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.204884][ T1006]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.205061][ T1006]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.205235][ T1006]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.205467][ T1006]  ? move_addr_to_kernel (net/socket.c:258)
[   57.205658][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.205885][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.206098][ T1006]  ___sys_sendmsg (net/socket.c:2752)
[   57.206280][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.206486][ T1006]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.206679][ T1006]  __sys_sendmsg (net/socket.c:2784)
[   57.206879][ T1006]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.207062][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.207276][ T1006]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.207452][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.207658][ T1006]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.207890][ T1006]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.208067][ T1006]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.208243][ T1006]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.208448][ T1006] RIP: 0033:0x7f5123a3808e
[   57.208640][ T1006] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.209162][ T1006] RSP: 002b:00007ffe19c8dff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.209400][ T1006] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5123a3808e
[   57.209649][ T1006] RDX: 0000000000000000 RSI: 00007ffe19c8e0a0 RDI: 0000000000000005
[   57.209939][ T1006] RBP: 00007ffe19c8e000 R08: 0000000000000000 R09: 0000000000000000
[   57.210177][ T1006] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.210433][ T1006] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe19c8e770
| [   57.213067][ T1006] ------------[ cut here ]------------
| [   57.213237][ T1006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1006
| [   57.213527][ T1006] Modules linked in:
| [   57.213948][ T1006] Tainted: [W]=WARN
[   57.214077][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.214271][ T1006] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.214447][ T1006] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.214944][ T1006] RSP: 0018:ffa0000002f77038 EFLAGS: 00010286
[   57.215150][ T1006] RAX: 00000000ffffffa6 RBX: ff1100000dc27a80 RCX: 1ff40000005eedcd
[   57.215376][ T1006] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27b3c
[   57.215577][ T1006] RBP: ff11000007861000 R08: 1fe2200001b84f69 R09: ff1100000fca0b58
[   57.215794][ T1006] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   57.216024][ T1006] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   57.216241][ T1006] FS:  00007f51237fe840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.216500][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.216681][ T1006] CR2: 00007f9029545574 CR3: 00000000124f2003 CR4: 0000000000771ef0
[   57.216923][ T1006] PKRU: 55555554
[   57.217030][ T1006] Call Trace:
[   57.217129][ T1006]  <TASK>
[   57.217196][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.217326][ T1006]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   57.217457][ T1006]  notifier_call_chain (kernel/notifier.c:85)
[   57.217592][ T1006]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   57.217745][ T1006]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.217948][ T1006]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.218139][ T1006]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.218295][ T1006]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.218429][ T1006]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   57.218582][ T1006]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.218715][ T1006]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.218885][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.219015][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.219173][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.219305][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.219432][ T1006]  ? __kernel_text_address (kernel/extable.c:79)
[   57.219563][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.219692][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.219825][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.219960][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.220088][ T1006]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.220214][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.220341][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.220468][ T1006]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.220599][ T1006]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.220727][ T1006]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.220860][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.220997][ T1006]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.221123][ T1006]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.221252][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.221382][ T1006]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.221516][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.221642][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.221768][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.221907][ T1006]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.222034][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.222163][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.222291][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.222418][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.222549][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.222678][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.222810][ T1006]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.222944][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.223071][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.223197][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.223326][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.223453][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.223584][ T1006]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.223712][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.223845][ T1006]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.223980][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.224107][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.224237][ T1006]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.224366][ T1006]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.224496][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.224628][ T1006]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.224757][ T1006]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.224899][ T1006]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.225029][ T1006]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.225156][ T1006]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.225284][ T1006]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.225444][ T1006]  ? move_addr_to_kernel (net/socket.c:258)
[   57.225577][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.225705][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.225843][ T1006]  ___sys_sendmsg (net/socket.c:2752)
[   57.225976][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.226136][ T1006]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.226276][ T1006]  __sys_sendmsg (net/socket.c:2784)
[   57.226490][ T1006]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.226622][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.226785][ T1006]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.226924][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.227136][ T1006]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.227263][ T1006]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.227392][ T1006]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.227522][ T1006]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.227768][ T1006] RIP: 0033:0x7f5123a3808e
[   57.227912][ T1006] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.228456][ T1006] RSP: 002b:00007ffe19c8dff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.228654][ T1006] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5123a3808e
[   57.228942][ T1006] RDX: 0000000000000000 RSI: 00007ffe19c8e0a0 RDI: 0000000000000005
[   57.229133][ T1006] RBP: 00007ffe19c8e000 R08: 0000000000000000 R09: 0000000000000000
[   57.229322][ T1006] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.229604][ T1006] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe19c8e770
| [   57.232102][ T1006] ------------[ cut here ]------------
| [   57.232231][ T1006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1006
| [   57.232575][ T1006] Modules linked in:
| [   57.232947][ T1006] Tainted: [W]=WARN
[   57.233044][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.233295][ T1006] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.233463][ T1006] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.234027][ T1006] RSP: 0018:ffa0000002f77020 EFLAGS: 00010286
[   57.234190][ T1006] RAX: 00000000ffffffa6 RBX: ff1100000b962e40 RCX: 1ff40000005eedca
[   57.234471][ T1006] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962efc
[   57.234665][ T1006] RBP: ff11000007861000 R08: 1fe220000172c5e1 R09: ff1100000fca0b58
[   57.234864][ T1006] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   57.235061][ T1006] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.235259][ T1006] FS:  00007f51237fe840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.235485][ T1006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.235648][ T1006] CR2: 00007f9029545574 CR3: 00000000124f2003 CR4: 0000000000771ef0
[   57.235846][ T1006] PKRU: 55555554
[   57.236031][ T1006] Call Trace:
[   57.236128][ T1006]  <TASK>
[   57.236195][ T1006]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.236328][ T1006]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.236427][ T1006]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.236560][ T1006]  __dev_notify_flags (net/core/dev.c:9787)
[   57.236690][ T1006]  ? netif_change_name (net/core/dev.c:1495)
[   57.236826][ T1006]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.236962][ T1006]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.237092][ T1006]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.237254][ T1006]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.237386][ T1006]  netif_change_flags (net/core/dev.c:9820)
[   57.237520][ T1006]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.237739][ T1006]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.237881][ T1006]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.238041][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.238172][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.238301][ T1006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.238430][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.238562][ T1006]  ? __kernel_text_address (kernel/extable.c:79)
[   57.238694][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.238833][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.238985][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.239118][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.239249][ T1006]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.239379][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.239511][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.239641][ T1006]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.239771][ T1006]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.239996][ T1006]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.240128][ T1006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.240262][ T1006]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.240391][ T1006]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.240523][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.240655][ T1006]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.240787][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.240927][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.241055][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.241182][ T1006]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.241311][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.241442][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.241575][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.241704][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.241841][ T1006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.241975][ T1006]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.242191][ T1006]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.242322][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.242449][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.242581][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.242712][ T1006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.242847][ T1006]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.242981][ T1006]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.243110][ T1006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.243241][ T1006]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.243375][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.243505][ T1006]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.243638][ T1006]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.243769][ T1006]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.243910][ T1006]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.244040][ T1006]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.244171][ T1006]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.244387][ T1006]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.244521][ T1006]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.244650][ T1006]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.244779][ T1006]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.244950][ T1006]  ? move_addr_to_kernel (net/socket.c:258)
[   57.245081][ T1006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.245211][ T1006]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.245341][ T1006]  ___sys_sendmsg (net/socket.c:2752)
[   57.245471][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.245635][ T1006]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.245777][ T1006]  __sys_sendmsg (net/socket.c:2784)
[   57.245913][ T1006]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.246043][ T1006]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.246206][ T1006]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.246335][ T1006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.246555][ T1006]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.246684][ T1006]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.246820][ T1006]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.246954][ T1006]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.247114][ T1006] RIP: 0033:0x7f5123a3808e
[   57.247249][ T1006] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.247712][ T1006] RSP: 002b:00007ffe19c8dff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.247925][ T1006] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5123a3808e
[   57.248119][ T1006] RDX: 0000000000000000 RSI: 00007ffe19c8e0a0 RDI: 0000000000000005
[   57.248311][ T1006] RBP: 00007ffe19c8e000 R08: 0000000000000000 R09: 0000000000000000
[   57.248502][ T1006] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.248782][ T1006] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe19c8e770
| [   57.285100][ T1007] ------------[ cut here ]------------
| [   57.285304][ T1007] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1007
| [   57.285635][ T1007] Modules linked in:
| [   57.286692][ T1007] Tainted: [W]=WARN
[   57.286847][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.287079][ T1007] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.287304][ T1007] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.287840][ T1007] RSP: 0018:ffa0000002f86e30 EFLAGS: 00010286
[   57.288073][ T1007] RAX: 00000000ffffffa6 RBX: ff1100000d636ac0 RCX: 1ff40000005f0d8c
[   57.288320][ T1007] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d636b7c
[   57.288580][ T1007] RBP: ff1100000ff41000 R08: 1fe2200001ac6d71 R09: ff11000009b25180
[   57.288840][ T1007] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.289105][ T1007] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4c7500
[   57.289357][ T1007] FS:  00007f65cfe13840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.289655][ T1007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.289893][ T1007] CR2: 000000000042ebe0 CR3: 000000001074a003 CR4: 0000000000771ef0
[   57.290150][ T1007] PKRU: 55555554
[   57.290301][ T1007] Call Trace:
[   57.290451][ T1007]  <TASK>
[   57.290579][ T1007]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.290769][ T1007]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.290949][ T1007]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   57.291169][ T1007]  __dev_notify_flags (net/core/dev.c:9787)
[   57.291358][ T1007]  ? netif_change_name (net/core/dev.c:1495)
[   57.291550][ T1007]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.291738][ T1007]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.291944][ T1007]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.292135][ T1007]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   57.292322][ T1007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.292511][ T1007]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.292703][ T1007]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.292909][ T1007]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   57.293096][ T1007]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   57.293283][ T1007]  veth_newlink (drivers/net/veth.c:1871)
[   57.293473][ T1007]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   57.293663][ T1007]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.293859][ T1007]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.294060][ T1007]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.294262][ T1007]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   57.294447][ T1007]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   57.294642][ T1007]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.294839][ T1007]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.295044][ T1007]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   57.295232][ T1007]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   57.295420][ T1007]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.295614][ T1007]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.295810][ T1007]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.296017][ T1007]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.296208][ T1007]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.296400][ T1007]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.296592][ T1007]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.296780][ T1007]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.296986][ T1007]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.297174][ T1007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.297365][ T1007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.297559][ T1007]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.297750][ T1007]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.297956][ T1007]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.298141][ T1007]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.298328][ T1007]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.298519][ T1007]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.298707][ T1007]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.298917][ T1007]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.299103][ T1007]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.299293][ T1007]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.299482][ T1007]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.299670][ T1007]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.299881][ T1007]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.300070][ T1007]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.300260][ T1007]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.300448][ T1007]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.300643][ T1007]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.300844][ T1007]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.301046][ T1007]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.301237][ T1007]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.301422][ T1007]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.301649][ T1007]  ? move_addr_to_kernel (net/socket.c:258)
[   57.301848][ T1007]  ___sys_sendmsg (net/socket.c:2752)
[   57.302047][ T1007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.302237][ T1007]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.302432][ T1007]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.302628][ T1007]  __sys_sendmsg (net/socket.c:2784)
[   57.302821][ T1007]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.303026][ T1007]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.303210][ T1007]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.303395][ T1007]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.303588][ T1007]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.303767][ T1007]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.303972][ T1007]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.304187][ T1007] RIP: 0033:0x7f65d004d08e
[   57.304374][ T1007] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.304923][ T1007] RSP: 002b:00007ffcfebc5d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.305172][ T1007] RAX: ffffffffffffffda RBX: 00007ffcfebc64c8 RCX: 00007f65d004d08e
[   57.305418][ T1007] RDX: 0000000000000000 RSI: 00007ffcfebc5dd0 RDI: 0000000000000005
[   57.305672][ T1007] RBP: 00007ffcfebc5d30 R08: 0000000000000000 R09: 0000000000000000
[   57.305943][ T1007] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.306194][ T1007] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfebc64a0
| [   57.323559][ T1007] ------------[ cut here ]------------
| [   57.323741][ T1007] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1007
| [   57.324152][ T1007] Modules linked in:
| [   57.324617][ T1007] Tainted: [W]=WARN
[   57.324764][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.324995][ T1007] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.325215][ T1007] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.325734][ T1007] RSP: 0018:ffa0000002f871b0 EFLAGS: 00010286
[   57.325970][ T1007] RAX: 00000000ffffffa6 RBX: ff1100000a16a200 RCX: 1ff40000005f0dfc
[   57.326214][ T1007] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a2bc
[   57.326455][ T1007] RBP: ff1100000efbc000 R08: 1fe220000142d459 R09: ff11000009b25180
[   57.326706][ T1007] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.326972][ T1007] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   57.327218][ T1007] FS:  00007f65cfe13840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.327495][ T1007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.327716][ T1007] CR2: 000000000042ebe0 CR3: 000000001074a003 CR4: 0000000000771ef0
[   57.327985][ T1007] PKRU: 55555554
[   57.328130][ T1007] Call Trace:
[   57.328275][ T1007]  <TASK>
[   57.328390][ T1007]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.328581][ T1007]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.328730][ T1007]  __dev_notify_flags (net/core/dev.c:9787)
[   57.328932][ T1007]  ? netif_change_name (net/core/dev.c:1495)
[   57.329116][ T1007]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.329295][ T1007]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.329476][ T1007]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.329663][ T1007]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.329849][ T1007]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.330042][ T1007]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.330221][ T1007]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.330408][ T1007]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.330601][ T1007]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.330784][ T1007]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.330983][ T1007]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.331165][ T1007]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.331346][ T1007]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.331529][ T1007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.331716][ T1007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.331918][ T1007]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.332104][ T1007]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.332290][ T1007]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.332471][ T1007]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.332658][ T1007]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.332847][ T1007]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.333041][ T1007]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.333222][ T1007]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.333399][ T1007]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.333589][ T1007]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.333777][ T1007]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.333977][ T1007]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.334160][ T1007]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.334342][ T1007]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.334526][ T1007]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.334709][ T1007]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.334915][ T1007]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.335110][ T1007]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.335296][ T1007]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.335481][ T1007]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.335668][ T1007]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.335905][ T1007]  ? move_addr_to_kernel (net/socket.c:258)
[   57.336096][ T1007]  ___sys_sendmsg (net/socket.c:2752)
[   57.336278][ T1007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.336466][ T1007]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.336667][ T1007]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.336878][ T1007]  __sys_sendmsg (net/socket.c:2784)
[   57.337070][ T1007]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.337259][ T1007]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.337443][ T1007]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.337635][ T1007]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.337824][ T1007]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.338023][ T1007]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.338209][ T1007]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.338422][ T1007] RIP: 0033:0x7f65d004d08e
[   57.338616][ T1007] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.339154][ T1007] RSP: 002b:00007ffcfebc5d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.339399][ T1007] RAX: ffffffffffffffda RBX: 00007ffcfebc64c8 RCX: 00007f65d004d08e
[   57.339650][ T1007] RDX: 0000000000000000 RSI: 00007ffcfebc5dd0 RDI: 0000000000000005
[   57.339914][ T1007] RBP: 00007ffcfebc5d30 R08: 0000000000000000 R09: 0000000000000000
[   57.340158][ T1007] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.340401][ T1007] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfebc64a0
| [   57.374311][ T1008] ------------[ cut here ]------------
| [   57.374473][ T1008] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1008
| [   57.374739][ T1008] Modules linked in:
| [   57.375120][ T1008] Tainted: [W]=WARN
[   57.375218][ T1008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.375381][ T1008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.375553][ T1008] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.376029][ T1008] RSP: 0018:ffa0000002f96ff8 EFLAGS: 00010286
[   57.376191][ T1008] RAX: 00000000ffffffa6 RBX: ff1100000e441540 RCX: 1ff40000005f2dc5
[   57.376383][ T1008] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4415fc
[   57.376581][ T1008] RBP: ff1100000ff41000 R08: 1fe2200001c882c1 R09: ff11000008d4ae58
[   57.376772][ T1008] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.376974][ T1008] R13: 0000000000000000 R14: ffa0000002f97140 R15: ff1100000e540750
[   57.377169][ T1008] FS:  00007f0bafc59840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.377396][ T1008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.377563][ T1008] CR2: 000000001b4f2988 CR3: 00000000125cf005 CR4: 0000000000771ef0
[   57.377759][ T1008] PKRU: 55555554
[   57.377861][ T1008] Call Trace:
[   57.377963][ T1008]  <TASK>
[   57.378031][ T1008]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   57.378165][ T1008]  __dev_change_net_namespace (net/core/dev.c:12635)
[   57.378330][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.378459][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.378595][ T1008]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.378757][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.378900][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.379031][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.379163][ T1008]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.379297][ T1008]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.379430][ T1008]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.379565][ T1008]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.379700][ T1008]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.379867][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.380000][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.380130][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.380258][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.380383][ T1008]  ? __kernel_text_address (kernel/extable.c:79)
[   57.380513][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.380642][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.380768][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.380907][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.381036][ T1008]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.381163][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.381290][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.381416][ T1008]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.381546][ T1008]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.381673][ T1008]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.381805][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.382009][ T1008]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.382136][ T1008]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.382266][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.382396][ T1008]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.382526][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.382652][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.382778][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.382912][ T1008]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.383039][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.383168][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.383294][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.383420][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.383548][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.383676][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.383807][ T1008]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.383945][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.384075][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.384206][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.384338][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.384466][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.384604][ T1008]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.384734][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.384876][ T1008]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.385010][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.385141][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.385273][ T1008]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.385401][ T1008]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.385530][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.385656][ T1008]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.385785][ T1008]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.385924][ T1008]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.386051][ T1008]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.386177][ T1008]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.386301][ T1008]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.386456][ T1008]  ? move_addr_to_kernel (net/socket.c:258)
[   57.386584][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.386709][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.386840][ T1008]  ___sys_sendmsg (net/socket.c:2752)
[   57.386970][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.387127][ T1008]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.387264][ T1008]  __sys_sendmsg (net/socket.c:2784)
[   57.387390][ T1008]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.387518][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.387678][ T1008]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.387810][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.387944][ T1008]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.388072][ T1008]  ? irq_exit_rcu (kernel/softirq.c:754)
[   57.388197][ T1008]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.388351][ T1008] RIP: 0033:0x7f0bafe9308e
[   57.388482][ T1008] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.388943][ T1008] RSP: 002b:00007ffc80699940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.389131][ T1008] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0bafe9308e
[   57.389318][ T1008] RDX: 0000000000000000 RSI: 00007ffc806999f0 RDI: 0000000000000005
[   57.389505][ T1008] RBP: 00007ffc80699950 R08: 0000000000000000 R09: 0000000000000000
[   57.389695][ T1008] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.389892][ T1008] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8069a0c0
| [   57.392399][ T1008] ------------[ cut here ]------------
| [   57.392533][ T1008] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1008
| [   57.392779][ T1008] Modules linked in:
| [   57.393143][ T1008] Tainted: [W]=WARN
[   57.393238][ T1008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.393398][ T1008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.393566][ T1008] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.394029][ T1008] RSP: 0018:ffa0000002f96fc0 EFLAGS: 00010286
[   57.394190][ T1008] RAX: 00000000ffffffa6 RBX: ff1100000ee51e00 RCX: 1ff40000005f2dbe
[   57.394379][ T1008] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51ebc
[   57.394573][ T1008] RBP: ff1100000ff41000 R08: 1fe2200001dca3d9 R09: ff11000008d4ae58
[   57.394762][ T1008] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.394966][ T1008] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e540750
[   57.395165][ T1008] FS:  00007f0bafc59840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.395394][ T1008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.395561][ T1008] CR2: 000000001b4f2988 CR3: 00000000125cf005 CR4: 0000000000771ef0
[   57.395759][ T1008] PKRU: 55555554
[   57.395861][ T1008] Call Trace:
[   57.395966][ T1008]  <TASK>
[   57.396032][ T1008]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.396161][ T1008]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.396290][ T1008]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.396387][ T1008]  __dev_change_net_namespace (net/core/dev.c:12695)
[   57.396550][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.396676][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.396812][ T1008]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.396983][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.397115][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.397244][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.397371][ T1008]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.397498][ T1008]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.397632][ T1008]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.397763][ T1008]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.397902][ T1008]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.398061][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.398188][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.398317][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.398443][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.398573][ T1008]  ? __kernel_text_address (kernel/extable.c:79)
[   57.398703][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.398837][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.398974][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.399103][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.399230][ T1008]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.399357][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.399483][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.399612][ T1008]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.399741][ T1008]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.399876][ T1008]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.400004][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.400133][ T1008]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.400260][ T1008]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.400390][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.400523][ T1008]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.400655][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.400781][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.400922][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.401049][ T1008]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.401174][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.401305][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.401431][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.401562][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.401691][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.401825][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.401961][ T1008]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.402089][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.402217][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.402344][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.402473][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.402604][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.402732][ T1008]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.402864][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.402997][ T1008]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.403128][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.403255][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.403385][ T1008]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.403517][ T1008]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.403647][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.403775][ T1008]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.403913][ T1008]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.404044][ T1008]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.404172][ T1008]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.404299][ T1008]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.404427][ T1008]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.404588][ T1008]  ? move_addr_to_kernel (net/socket.c:258)
[   57.404717][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.404848][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.404982][ T1008]  ___sys_sendmsg (net/socket.c:2752)
[   57.405109][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.405267][ T1008]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.405409][ T1008]  __sys_sendmsg (net/socket.c:2784)
[   57.405542][ T1008]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.405670][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.405837][ T1008]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.405970][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.406099][ T1008]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.406227][ T1008]  ? irq_exit_rcu (kernel/softirq.c:754)
[   57.406356][ T1008]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.406517][ T1008] RIP: 0033:0x7f0bafe9308e
[   57.406652][ T1008] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.407116][ T1008] RSP: 002b:00007ffc80699940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.407308][ T1008] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0bafe9308e
[   57.407499][ T1008] RDX: 0000000000000000 RSI: 00007ffc806999f0 RDI: 0000000000000005
[   57.407692][ T1008] RBP: 00007ffc80699950 R08: 0000000000000000 R09: 0000000000000000
[   57.407892][ T1008] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.408083][ T1008] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8069a0c0
| [   57.409984][ T1008] ------------[ cut here ]------------
| [   57.410109][ T1008] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1008
| [   57.410357][ T1008] Modules linked in:
| [   57.410708][ T1008] Tainted: [W]=WARN
[   57.410809][ T1008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.411312][ T1008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.411477][ T1008] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.411945][ T1008] RSP: 0018:ffa0000002f97038 EFLAGS: 00010286
[   57.412106][ T1008] RAX: 00000000ffffffa6 RBX: ff1100000ee51a80 RCX: 1ff40000005f2dcd
[   57.412297][ T1008] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51b3c
[   57.412488][ T1008] RBP: ff1100000ff41000 R08: 1fe2200001dca369 R09: ff11000008d4ae58
[   57.412680][ T1008] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   57.412881][ T1008] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   57.413072][ T1008] FS:  00007f0bafc59840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.413298][ T1008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.413458][ T1008] CR2: 000000001b4f2988 CR3: 00000000125cf005 CR4: 0000000000771ef0
[   57.413654][ T1008] PKRU: 55555554
[   57.413751][ T1008] Call Trace:
[   57.413852][ T1008]  <TASK>
[   57.413923][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.414052][ T1008]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   57.414182][ T1008]  notifier_call_chain (kernel/notifier.c:85)
[   57.414312][ T1008]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   57.414440][ T1008]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.414607][ T1008]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.414766][ T1008]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.414908][ T1008]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.415038][ T1008]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   57.415170][ T1008]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.415299][ T1008]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.415457][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.415586][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.415715][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.415848][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.415981][ T1008]  ? __kernel_text_address (kernel/extable.c:79)
[   57.416111][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.416242][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.416369][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.416498][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.416629][ T1008]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.416757][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.416894][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.417025][ T1008]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.417153][ T1008]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.417281][ T1008]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.417408][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.417541][ T1008]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.417668][ T1008]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.417803][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.417940][ T1008]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.418072][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.418199][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.418327][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.418457][ T1008]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.418585][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.418714][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.418846][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.418978][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.419106][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.419235][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.419362][ T1008]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.419489][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.419619][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.419746][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.419883][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.420012][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.420141][ T1008]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.420269][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.420398][ T1008]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.420533][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.420660][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.420790][ T1008]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.420930][ T1008]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.421060][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.421189][ T1008]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.421318][ T1008]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.421446][ T1008]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.421579][ T1008]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.421706][ T1008]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.421841][ T1008]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.422007][ T1008]  ? move_addr_to_kernel (net/socket.c:258)
[   57.422135][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.422264][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.422393][ T1008]  ___sys_sendmsg (net/socket.c:2752)
[   57.422522][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.422682][ T1008]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.422825][ T1008]  __sys_sendmsg (net/socket.c:2784)
[   57.423050][ T1008]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.423179][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.423339][ T1008]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.423466][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.423684][ T1008]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.423816][ T1008]  ? irq_exit_rcu (kernel/softirq.c:754)
[   57.423948][ T1008]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.424107][ T1008] RIP: 0033:0x7f0bafe9308e
[   57.424330][ T1008] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.424789][ T1008] RSP: 002b:00007ffc80699940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.425080][ T1008] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0bafe9308e
[   57.425271][ T1008] RDX: 0000000000000000 RSI: 00007ffc806999f0 RDI: 0000000000000005
[   57.425550][ T1008] RBP: 00007ffc80699950 R08: 0000000000000000 R09: 0000000000000000
[   57.425739][ T1008] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.425940][ T1008] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8069a0c0
| [   57.434743][ T1008] ------------[ cut here ]------------
| [   57.435384][ T1008] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1008
| [   57.435649][ T1008] Modules linked in:
| [   57.436074][ T1008] Tainted: [W]=WARN
[   57.436170][ T1008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.436331][ T1008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.436499][ T1008] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.437028][ T1008] RSP: 0018:ffa0000002f97020 EFLAGS: 00010286
[   57.437192][ T1008] RAX: 00000000ffffffa6 RBX: ff1100000d31a740 RCX: 1ff40000005f2dca
[   57.437382][ T1008] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a7fc
[   57.437633][ T1008] RBP: ff1100000ff41000 R08: 1fe2200001a63501 R09: ff11000008d4ae58
[   57.437831][ T1008] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   57.438083][ T1008] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.438274][ T1008] FS:  00007f0bafc59840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.438499][ T1008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.438663][ T1008] CR2: 000000001b4f2988 CR3: 00000000125cf005 CR4: 0000000000771ef0
[   57.438862][ T1008] PKRU: 55555554
[   57.439017][ T1008] Call Trace:
[   57.439114][ T1008]  <TASK>
[   57.439180][ T1008]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.439310][ T1008]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.439408][ T1008]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.439538][ T1008]  __dev_notify_flags (net/core/dev.c:9787)
[   57.439668][ T1008]  ? netif_change_name (net/core/dev.c:1495)
[   57.439797][ T1008]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.439988][ T1008]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.440116][ T1008]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.440276][ T1008]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.440406][ T1008]  netif_change_flags (net/core/dev.c:9820)
[   57.440541][ T1008]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.440671][ T1008]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.440806][ T1008]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.441024][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.441154][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.441283][ T1008]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.441411][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.441543][ T1008]  ? __kernel_text_address (kernel/extable.c:79)
[   57.441673][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.441808][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.441993][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.442124][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.442253][ T1008]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.442382][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.442514][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.442644][ T1008]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.442774][ T1008]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.442962][ T1008]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.443093][ T1008]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.443223][ T1008]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.443352][ T1008]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.443483][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.443617][ T1008]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.443748][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.443938][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.444068][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.444195][ T1008]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.444323][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.444455][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.444584][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.444713][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.444849][ T1008]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.445040][ T1008]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.445176][ T1008]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.445311][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.445443][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.445577][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.445708][ T1008]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.445842][ T1008]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.446032][ T1008]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.446162][ T1008]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.446291][ T1008]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.446423][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.446553][ T1008]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.446683][ T1008]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.446816][ T1008]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.447004][ T1008]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.447134][ T1008]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.447265][ T1008]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.447395][ T1008]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.447527][ T1008]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.447657][ T1008]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.447786][ T1008]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.448009][ T1008]  ? move_addr_to_kernel (net/socket.c:258)
[   57.448139][ T1008]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.448269][ T1008]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.448399][ T1008]  ___sys_sendmsg (net/socket.c:2752)
[   57.448530][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.448689][ T1008]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.448835][ T1008]  __sys_sendmsg (net/socket.c:2784)
[   57.449025][ T1008]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.449154][ T1008]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.449319][ T1008]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.449447][ T1008]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.449581][ T1008]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.449709][ T1008]  ? irq_exit_rcu (kernel/softirq.c:754)
[   57.449842][ T1008]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.450061][ T1008] RIP: 0033:0x7f0bafe9308e
[   57.450195][ T1008] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.450654][ T1008] RSP: 002b:00007ffc80699940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.450853][ T1008] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0bafe9308e
[   57.451189][ T1008] RDX: 0000000000000000 RSI: 00007ffc806999f0 RDI: 0000000000000005
[   57.451382][ T1008] RBP: 00007ffc80699950 R08: 0000000000000000 R09: 0000000000000000
[   57.451582][ T1008] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.451780][ T1008] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8069a0c0
| [   57.490633][ T1009] ------------[ cut here ]------------
| [   57.490838][ T1009] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1009
| [   57.491172][ T1009] Modules linked in:
| [   57.491655][ T1009] Tainted: [W]=WARN
[   57.491812][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.492173][ T1009] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.492396][ T1009] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.492949][ T1009] RSP: 0018:ffa0000002f96e30 EFLAGS: 00010286
[   57.493168][ T1009] RAX: 00000000ffffffa6 RBX: ff1100000fe94e40 RCX: 1ff40000005f2d8c
[   57.493417][ T1009] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe94efc
[   57.493677][ T1009] RBP: ff11000009b19000 R08: 1fe2200001fd29e1 R09: ff11000008d48b80
[   57.493950][ T1009] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.494201][ T1009] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b31200
[   57.494455][ T1009] FS:  00007f01988c6840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.494752][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.494996][ T1009] CR2: 000000000042ebe0 CR3: 000000001074a006 CR4: 0000000000771ef0
[   57.495249][ T1009] PKRU: 55555554
[   57.495399][ T1009] Call Trace:
[   57.495555][ T1009]  <TASK>
[   57.495673][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.495886][ T1009]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.496075][ T1009]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.496226][ T1009]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   57.496411][ T1009]  __dev_notify_flags (net/core/dev.c:9787)
[   57.496603][ T1009]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   57.496786][ T1009]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   57.496990][ T1009]  ? netif_change_name (net/core/dev.c:1495)
[   57.497174][ T1009]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.497360][ T1009]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.497551][ T1009]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.497736][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.497945][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.498133][ T1009]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.498321][ T1009]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.498507][ T1009]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   57.498696][ T1009]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   57.498907][ T1009]  veth_newlink (drivers/net/veth.c:1871)
[   57.499095][ T1009]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   57.499279][ T1009]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.499465][ T1009]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.499656][ T1009]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.499864][ T1009]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   57.500061][ T1009]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   57.500248][ T1009]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.500433][ T1009]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.500627][ T1009]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   57.500824][ T1009]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   57.501024][ T1009]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.501208][ T1009]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.501392][ T1009]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.501591][ T1009]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.501781][ T1009]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.501989][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.502174][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.502357][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.502545][ T1009]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.502728][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.502936][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.503123][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.503308][ T1009]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.503492][ T1009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.503687][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.503893][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.504078][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.504260][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.504446][ T1009]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.504634][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.504826][ T1009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.505026][ T1009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.505212][ T1009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.505399][ T1009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.505591][ T1009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.505775][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.505982][ T1009]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.506167][ T1009]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.506352][ T1009]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.506545][ T1009]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.506729][ T1009]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.506929][ T1009]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.507146][ T1009]  ? move_addr_to_kernel (net/socket.c:258)
[   57.507334][ T1009]  ___sys_sendmsg (net/socket.c:2752)
[   57.507520][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.507707][ T1009]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.507923][ T1009]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.508111][ T1009]  __sys_sendmsg (net/socket.c:2784)
[   57.508296][ T1009]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.508484][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.508672][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.508882][ T1009]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.509068][ T1009]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.509251][ T1009]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.509439][ T1009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.509661][ T1009] RIP: 0033:0x7f0198b0008e
[   57.509861][ T1009] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.510404][ T1009] RSP: 002b:00007ffc87509000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.510666][ T1009] RAX: ffffffffffffffda RBX: 00007ffc875097a8 RCX: 00007f0198b0008e
[   57.510940][ T1009] RDX: 0000000000000000 RSI: 00007ffc875090b0 RDI: 0000000000000005
[   57.511192][ T1009] RBP: 00007ffc87509010 R08: 0000000000000000 R09: 0000000000000000
[   57.511442][ T1009] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.511702][ T1009] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc87509780
| [   57.520358][ T1009] ------------[ cut here ]------------
| [   57.520611][ T1009] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1009
| [   57.520996][ T1009] Modules linked in:
| [   57.521588][ T1009] Tainted: [W]=WARN
[   57.521790][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.522082][ T1009] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.522358][ T1009] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.522956][ T1009] RSP: 0018:ffa0000002f971b0 EFLAGS: 00010286
[   57.523224][ T1009] RAX: 00000000ffffffa6 RBX: ff110000104f3e00 RCX: 1ff40000005f2dfc
[   57.523532][ T1009] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000104f3ebc
[   57.523836][ T1009] RBP: ff11000008e64000 R08: 1fe220000209e7d9 R09: ff11000008d48b80
[   57.524142][ T1009] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.524438][ T1009] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   57.524747][ T1009] FS:  00007f01988c6840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.525103][ T1009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.525370][ T1009] CR2: 000000000042ebe0 CR3: 000000001074a006 CR4: 0000000000771ef0
[   57.525677][ T1009] PKRU: 55555554
[   57.525894][ T1009] Call Trace:
[   57.526098][ T1009]  <TASK>
[   57.526273][ T1009]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.526517][ T1009]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.526725][ T1009]  __dev_notify_flags (net/core/dev.c:9787)
[   57.526985][ T1009]  ? netif_change_name (net/core/dev.c:1495)
[   57.527222][ T1009]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.527459][ T1009]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.527707][ T1009]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.527973][ T1009]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.528210][ T1009]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.528443][ T1009]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.528682][ T1009]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.528942][ T1009]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.529182][ T1009]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.529418][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.529657][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.529917][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.530151][ T1009]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.530386][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.530629][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.530883][ T1009]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.531121][ T1009]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.531354][ T1009]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.531588][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.531794][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.531998][ T1009]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.532176][ T1009]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.532357][ T1009]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.532539][ T1009]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.532720][ T1009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.532923][ T1009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.533105][ T1009]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.533286][ T1009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.533467][ T1009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.533670][ T1009]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.533860][ T1009]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.534058][ T1009]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.534241][ T1009]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.534422][ T1009]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.534614][ T1009]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.534793][ T1009]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.535028][ T1009]  ? move_addr_to_kernel (net/socket.c:258)
[   57.535212][ T1009]  ___sys_sendmsg (net/socket.c:2752)
[   57.535389][ T1009]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.535577][ T1009]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.535765][ T1009]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.535965][ T1009]  __sys_sendmsg (net/socket.c:2784)
[   57.536146][ T1009]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.536328][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.536508][ T1009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.536694][ T1009]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.536893][ T1009]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.537073][ T1009]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.537253][ T1009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.537464][ T1009] RIP: 0033:0x7f0198b0008e
[   57.537657][ T1009] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.538190][ T1009] RSP: 002b:00007ffc87509000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.538439][ T1009] RAX: ffffffffffffffda RBX: 00007ffc875097a8 RCX: 00007f0198b0008e
[   57.538688][ T1009] RDX: 0000000000000000 RSI: 00007ffc875090b0 RDI: 0000000000000005
[   57.538950][ T1009] RBP: 00007ffc87509010 R08: 0000000000000000 R09: 0000000000000000
[   57.539198][ T1009] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.539449][ T1009] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc87509780
| [   57.583993][ T1010] ------------[ cut here ]------------
| [   57.584195][ T1010] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1010
| [   57.584489][ T1010] Modules linked in:
| [   57.584964][ T1010] Tainted: [W]=WARN
[   57.585108][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.585313][ T1010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.585528][ T1010] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.586045][ T1010] RSP: 0018:ffa0000002f96ff8 EFLAGS: 00010286
[   57.586252][ T1010] RAX: 00000000ffffffa6 RBX: ff110000109b8580 RCX: 1ff40000005f2dc5
[   57.586487][ T1010] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b863c
[   57.586730][ T1010] RBP: ff11000009b19000 R08: 1fe22000021370c9 R09: ff1100000fca5158
[   57.586983][ T1010] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.587225][ T1010] R13: 0000000000000000 R14: ffa0000002f97140 R15: ff11000004e59fd0
[   57.587467][ T1010] FS:  00007fdee17ab840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.587751][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.587983][ T1010] CR2: 0000000025ab4988 CR3: 000000001074a002 CR4: 0000000000771ef0
[   57.588226][ T1010] PKRU: 55555554
[   57.588369][ T1010] Call Trace:
[   57.588517][ T1010]  <TASK>
[   57.588637][ T1010]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   57.588823][ T1010]  __dev_change_net_namespace (net/core/dev.c:12635)
[   57.589050][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.589229][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.589410][ T1010]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.589626][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.589813][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.590010][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.590190][ T1010]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.590368][ T1010]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.590554][ T1010]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.590738][ T1010]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.590939][ T1010]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.591152][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.591331][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.591513][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.591699][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.591902][ T1010]  ? __kernel_text_address (kernel/extable.c:79)
[   57.592082][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.592264][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.592444][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.592632][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.592817][ T1010]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.593010][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.593187][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.593364][ T1010]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.593540][ T1010]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.593716][ T1010]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.593916][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.594094][ T1010]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.594268][ T1010]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.594446][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.594631][ T1010]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.594820][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.595007][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.595181][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.595355][ T1010]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.595531][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.595711][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.595905][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.596084][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.596262][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.596441][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.596626][ T1010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.596811][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.597000][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.597179][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.597359][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.597542][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.597724][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.597924][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.598104][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.598286][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.598463][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.598653][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.598846][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.599039][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.599221][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.599401][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.599591][ T1010]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.599773][ T1010]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.599976][ T1010]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.600157][ T1010]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.600369][ T1010]  ? move_addr_to_kernel (net/socket.c:258)
[   57.600556][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.600736][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.601022][ T1010]  ___sys_sendmsg (net/socket.c:2752)
[   57.601201][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.601409][ T1010]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.601606][ T1010]  __sys_sendmsg (net/socket.c:2784)
[   57.601789][ T1010]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.601987][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.602202][ T1010]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.602381][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.602568][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.602747][ T1010]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.602948][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.603131][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.603341][ T1010] RIP: 0033:0x7fdee19e508e
[   57.603528][ T1010] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.604055][ T1010] RSP: 002b:00007ffcc574d8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.604302][ T1010] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdee19e508e
[   57.604547][ T1010] RDX: 0000000000000000 RSI: 00007ffcc574d970 RDI: 0000000000000005
[   57.604789][ T1010] RBP: 00007ffcc574d8d0 R08: 0000000000000000 R09: 0000000000000000
[   57.605052][ T1010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.605297][ T1010] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc574e040
| [   57.608325][ T1010] ------------[ cut here ]------------
| [   57.608503][ T1010] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1010
| [   57.608829][ T1010] Modules linked in:
| [   57.609302][ T1010] Tainted: [W]=WARN
[   57.609449][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.609668][ T1010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.609913][ T1010] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.610429][ T1010] RSP: 0018:ffa0000002f96fc0 EFLAGS: 00010286
[   57.610650][ T1010] RAX: 00000000ffffffa6 RBX: ff1100000fc4b8c0 RCX: 1ff40000005f2dbe
[   57.610918][ T1010] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b97c
[   57.611162][ T1010] RBP: ff11000009b19000 R08: 1fe2200001f89731 R09: ff1100000fca5158
[   57.611404][ T1010] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.611653][ T1010] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004e59fd0
[   57.611920][ T1010] FS:  00007fdee17ab840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.612196][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.612408][ T1010] CR2: 0000000025ab4988 CR3: 000000001074a002 CR4: 0000000000771ef0
[   57.612658][ T1010] PKRU: 55555554
[   57.612810][ T1010] Call Trace:
[   57.612970][ T1010]  <TASK>
[   57.613086][ T1010]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.613269][ T1010]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.613448][ T1010]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.613604][ T1010]  __dev_change_net_namespace (net/core/dev.c:12695)
[   57.613822][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.614015][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.614198][ T1010]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.614413][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.614597][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.614779][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.614983][ T1010]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.615165][ T1010]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.615347][ T1010]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.615534][ T1010]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.615720][ T1010]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.615953][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.616131][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.616307][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.616482][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.616663][ T1010]  ? __kernel_text_address (kernel/extable.c:79)
[   57.616847][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.617043][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.617222][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.617400][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.617585][ T1010]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.617760][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.617953][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.618130][ T1010]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.618306][ T1010]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.618484][ T1010]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.618666][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.618848][ T1010]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.619038][ T1010]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.619221][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.619404][ T1010]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.619593][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.619775][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.619976][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.620155][ T1010]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.620335][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.620520][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.620700][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.620901][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.621084][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.621268][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.621447][ T1010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.621631][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.621817][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.622009][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.622192][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.622371][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.622557][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.622738][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.622941][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.623126][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.623304][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.623487][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.623673][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.623859][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.624059][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.624239][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.624415][ T1010]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.624599][ T1010]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.624776][ T1010]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.624975][ T1010]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.625187][ T1010]  ? move_addr_to_kernel (net/socket.c:258)
[   57.625373][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.625558][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.625740][ T1010]  ___sys_sendmsg (net/socket.c:2752)
[   57.625944][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.626157][ T1010]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.626349][ T1010]  __sys_sendmsg (net/socket.c:2784)
[   57.626533][ T1010]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.626713][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.626955][ T1010]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.627135][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.627315][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.627494][ T1010]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.627681][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.627883][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.628096][ T1010] RIP: 0033:0x7fdee19e508e
[   57.628285][ T1010] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.628810][ T1010] RSP: 002b:00007ffcc574d8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.629069][ T1010] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdee19e508e
[   57.629315][ T1010] RDX: 0000000000000000 RSI: 00007ffcc574d970 RDI: 0000000000000005
[   57.629564][ T1010] RBP: 00007ffcc574d8d0 R08: 0000000000000000 R09: 0000000000000000
[   57.629813][ T1010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.630070][ T1010] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc574e040
| [   57.632462][ T1010] ------------[ cut here ]------------
| [   57.632642][ T1010] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1010
| [   57.632980][ T1010] Modules linked in:
| [   57.633432][ T1010] Tainted: [W]=WARN
[   57.633584][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.633789][ T1010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.634091][ T1010] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.634658][ T1010] RSP: 0018:ffa0000002f97038 EFLAGS: 00010286
[   57.634883][ T1010] RAX: 00000000ffffffa6 RBX: ff1100000fc4a3c0 RCX: 1ff40000005f2dcd
[   57.635125][ T1010] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a47c
[   57.635361][ T1010] RBP: ff11000009b19000 R08: 1fe2200001f89491 R09: ff1100000fca5158
[   57.635604][ T1010] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   57.635846][ T1010] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   57.636097][ T1010] FS:  00007fdee17ab840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.636367][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.636581][ T1010] CR2: 0000000025ab4988 CR3: 000000001074a002 CR4: 0000000000771ef0
[   57.636824][ T1010] PKRU: 55555554
[   57.636979][ T1010] Call Trace:
[   57.637120][ T1010]  <TASK>
[   57.637232][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.637405][ T1010]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   57.637591][ T1010]  notifier_call_chain (kernel/notifier.c:85)
[   57.637767][ T1010]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   57.637959][ T1010]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.638167][ T1010]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.638371][ T1010]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.638553][ T1010]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.638731][ T1010]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   57.638932][ T1010]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.639108][ T1010]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.639314][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.639488][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.639669][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.639848][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.640039][ T1010]  ? __kernel_text_address (kernel/extable.c:79)
[   57.640220][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.640401][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.640588][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.640767][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.640964][ T1010]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.641142][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.641319][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.641495][ T1010]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.641683][ T1010]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.641881][ T1010]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.642058][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.642236][ T1010]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.642411][ T1010]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.642596][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.642796][ T1010]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.642999][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.643171][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.643345][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.643520][ T1010]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.643695][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.643894][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.644067][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.644241][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.644501][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.644685][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.644882][ T1010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.645058][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.645312][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.645486][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.645666][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.645847][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.646118][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.646292][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.646467][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.646653][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.646931][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.647112][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.647291][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.647469][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.647736][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.647937][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.648116][ T1010]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.648292][ T1010]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.648557][ T1010]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.648732][ T1010]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.648959][ T1010]  ? move_addr_to_kernel (net/socket.c:258)
[   57.649135][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.649393][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.649579][ T1010]  ___sys_sendmsg (net/socket.c:2752)
[   57.649753][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.649980][ T1010]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.650250][ T1010]  __sys_sendmsg (net/socket.c:2784)
[   57.650429][ T1010]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.650615][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.650831][ T1010]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.651021][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.651200][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.651373][ T1010]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.651553][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.651820][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.652046][ T1010] RIP: 0033:0x7fdee19e508e
[   57.652225][ T1010] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.652825][ T1010] RSP: 002b:00007ffcc574d8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.653164][ T1010] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdee19e508e
[   57.653400][ T1010] RDX: 0000000000000000 RSI: 00007ffcc574d970 RDI: 0000000000000005
[   57.653645][ T1010] RBP: 00007ffcc574d8d0 R08: 0000000000000000 R09: 0000000000000000
[   57.653987][ T1010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.654230][ T1010] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc574e040
| [   57.657096][ T1010] ------------[ cut here ]------------
| [   57.657237][ T1010] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1010
| [   57.657494][ T1010] Modules linked in:
| [   57.657877][ T1010] Tainted: [W]=WARN
[   57.657974][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.658136][ T1010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.658305][ T1010] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.658768][ T1010] RSP: 0018:ffa0000002f97020 EFLAGS: 00010286
[   57.658942][ T1010] RAX: 00000000ffffffa6 RBX: ff1100000f1b6ac0 RCX: 1ff40000005f2dca
[   57.659137][ T1010] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b6b7c
[   57.659329][ T1010] RBP: ff11000009b19000 R08: 1fe2200001e36d71 R09: ff1100000fca5158
[   57.659521][ T1010] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   57.659714][ T1010] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.659914][ T1010] FS:  00007fdee17ab840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   57.660138][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.660387][ T1010] CR2: 000055dfdb5e2d5c CR3: 000000001074a003 CR4: 0000000000771ef0
[   57.660582][ T1010] PKRU: 55555554
[   57.660678][ T1010] Call Trace:
[   57.660775][ T1010]  <TASK>
[   57.660847][ T1010]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.660985][ T1010]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.661084][ T1010]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.661212][ T1010]  __dev_notify_flags (net/core/dev.c:9787)
[   57.661341][ T1010]  ? netif_change_name (net/core/dev.c:1495)
[   57.661470][ T1010]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.661603][ T1010]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.661733][ T1010]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.661905][ T1010]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.662121][ T1010]  netif_change_flags (net/core/dev.c:9820)
[   57.662251][ T1010]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.662381][ T1010]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.662515][ T1010]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.662675][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.662807][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.662943][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.663072][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.663200][ T1010]  ? __kernel_text_address (kernel/extable.c:79)
[   57.663329][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.663458][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.663589][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.663718][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.663854][ T1010]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.663987][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.664114][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.664327][ T1010]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.664455][ T1010]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.664584][ T1010]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.664713][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.664848][ T1010]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.664982][ T1010]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.665112][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.665244][ T1010]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.665374][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.665501][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.665633][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.665762][ T1010]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.665987][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.666117][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.666245][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.666372][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.666501][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.666633][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.666763][ T1010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.666902][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.667032][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.667159][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.667289][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.667417][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.667636][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.667764][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.667904][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.668037][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.668166][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.668296][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.668425][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.668556][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.668686][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.668821][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.668956][ T1010]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.669086][ T1010]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.669214][ T1010]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.669341][ T1010]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.669501][ T1010]  ? move_addr_to_kernel (net/socket.c:258)
[   57.669719][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.669853][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.669987][ T1010]  ___sys_sendmsg (net/socket.c:2752)
[   57.670117][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.670279][ T1010]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.670420][ T1010]  __sys_sendmsg (net/socket.c:2784)
[   57.670551][ T1010]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.670679][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.670848][ T1010]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.670981][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.671112][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.671240][ T1010]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.671368][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.671495][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.671657][ T1010] RIP: 0033:0x7fdee19e508e
[   57.671792][ T1010] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.672352][ T1010] RSP: 002b:00007ffcc574d8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.672549][ T1010] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdee19e508e
[   57.672742][ T1010] RDX: 0000000000000000 RSI: 00007ffcc574d970 RDI: 0000000000000005
[   57.672944][ T1010] RBP: 00007ffcc574d8d0 R08: 0000000000000000 R09: 0000000000000000
[   57.673137][ T1010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.673329][ T1010] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc574e040
| [   57.711654][ T1011] ------------[ cut here ]------------
| [   57.711828][ T1011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1011
| [   57.712110][ T1011] Modules linked in:
| [   57.712496][ T1011] Tainted: [W]=WARN
[   57.712606][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.712778][ T1011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.712969][ T1011] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.713461][ T1011] RSP: 0018:ffa0000002f96e30 EFLAGS: 00010286
[   57.713638][ T1011] RAX: 00000000ffffffa6 RBX: ff1100000f1b4740 RCX: 1ff40000005f2d8c
[   57.713848][ T1011] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b47fc
[   57.714057][ T1011] RBP: ff1100000ff79000 R08: 1fe2200001e36901 R09: ff1100000dcf0b80
[   57.714261][ T1011] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.714466][ T1011] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c892380
[   57.714676][ T1011] FS:  00007efe473db840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.714925][ T1011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.715096][ T1011] CR2: 000000000042ebe0 CR3: 00000000125cf001 CR4: 0000000000771ef0
[   57.715303][ T1011] PKRU: 55555554
[   57.715405][ T1011] Call Trace:
[   57.715509][ T1011]  <TASK>
[   57.715580][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.715718][ T1011]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.715860][ T1011]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.715970][ T1011]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   57.716107][ T1011]  __dev_notify_flags (net/core/dev.c:9787)
[   57.716245][ T1011]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   57.716383][ T1011]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   57.716521][ T1011]  ? netif_change_name (net/core/dev.c:1495)
[   57.716658][ T1011]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.716796][ T1011]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.716943][ T1011]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.717079][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.717215][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.717352][ T1011]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.717489][ T1011]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.717628][ T1011]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   57.717765][ T1011]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   57.717915][ T1011]  veth_newlink (drivers/net/veth.c:1871)
[   57.718053][ T1011]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   57.718189][ T1011]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.718327][ T1011]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.718464][ T1011]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.718619][ T1011]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   57.718756][ T1011]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   57.718904][ T1011]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.719042][ T1011]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.719180][ T1011]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   57.719318][ T1011]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   57.719456][ T1011]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.719596][ T1011]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.719732][ T1011]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.719885][ T1011]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.720029][ T1011]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.720168][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.720304][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.720441][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.720581][ T1011]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.720718][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.720863][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.721008][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.721146][ T1011]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.721283][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.721419][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.721555][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.721693][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.721834][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.721977][ T1011]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.722113][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.722251][ T1011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.722390][ T1011]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.722530][ T1011]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.722668][ T1011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.722812][ T1011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.722954][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.723093][ T1011]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.723232][ T1011]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.723370][ T1011]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.723509][ T1011]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.723646][ T1011]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.723781][ T1011]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.723960][ T1011]  ? move_addr_to_kernel (net/socket.c:258)
[   57.724101][ T1011]  ___sys_sendmsg (net/socket.c:2752)
[   57.724236][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.724374][ T1011]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.724523][ T1011]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.724660][ T1011]  __sys_sendmsg (net/socket.c:2784)
[   57.724796][ T1011]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.724949][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.725085][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.725223][ T1011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.725362][ T1011]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.725498][ T1011]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.725637][ T1011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.725809][ T1011] RIP: 0033:0x7efe4761508e
[   57.725955][ T1011] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.726440][ T1011] RSP: 002b:00007ffca86da460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.726648][ T1011] RAX: ffffffffffffffda RBX: 00007ffca86dac08 RCX: 00007efe4761508e
[   57.726857][ T1011] RDX: 0000000000000000 RSI: 00007ffca86da510 RDI: 0000000000000005
[   57.727067][ T1011] RBP: 00007ffca86da470 R08: 0000000000000000 R09: 0000000000000000
[   57.727271][ T1011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.727475][ T1011] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca86dabe0
| [   57.735135][ T1011] ------------[ cut here ]------------
| [   57.735285][ T1011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1011
| [   57.735549][ T1011] Modules linked in:
| [   57.736452][ T1011] Tainted: [W]=WARN
[   57.736557][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.736780][ T1011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.737021][ T1011] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.737488][ T1011] RSP: 0018:ffa0000002f971b0 EFLAGS: 00010286
[   57.737659][ T1011] RAX: 00000000ffffffa6 RBX: ff1100000f1b71c0 RCX: 1ff40000005f2dfc
[   57.737861][ T1011] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b727c
[   57.738114][ T1011] RBP: ff1100000a874000 R08: 1fe2200001e36e51 R09: ff1100000dcf0b80
[   57.738310][ T1011] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.738510][ T1011] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   57.738707][ T1011] FS:  00007efe473db840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.739000][ T1011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.739170][ T1011] CR2: 000000000042ebe0 CR3: 00000000125cf001 CR4: 0000000000771ef0
[   57.739371][ T1011] PKRU: 55555554
[   57.739474][ T1011] Call Trace:
[   57.739579][ T1011]  <TASK>
[   57.739649][ T1011]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.739786][ T1011]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.739952][ T1011]  __dev_notify_flags (net/core/dev.c:9787)
[   57.740091][ T1011]  ? netif_change_name (net/core/dev.c:1495)
[   57.740227][ T1011]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.740363][ T1011]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.740503][ T1011]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.740643][ T1011]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.740779][ T1011]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.740977][ T1011]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.741114][ T1011]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.741257][ T1011]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.741397][ T1011]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.741539][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.741674][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.741814][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.742006][ T1011]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.742143][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.742282][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.742420][ T1011]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.742556][ T1011]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.742693][ T1011]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.742834][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.743027][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.743165][ T1011]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.743299][ T1011]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.743436][ T1011]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.743575][ T1011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.743711][ T1011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.743859][ T1011]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.744052][ T1011]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.744190][ T1011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.744327][ T1011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.744464][ T1011]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.744604][ T1011]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.744742][ T1011]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.744937][ T1011]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.745076][ T1011]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.745213][ T1011]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.745348][ T1011]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.745519][ T1011]  ? move_addr_to_kernel (net/socket.c:258)
[   57.745658][ T1011]  ___sys_sendmsg (net/socket.c:2752)
[   57.745794][ T1011]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.745993][ T1011]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.746139][ T1011]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.746277][ T1011]  __sys_sendmsg (net/socket.c:2784)
[   57.746412][ T1011]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.746556][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.746692][ T1011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.746835][ T1011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.747030][ T1011]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.747167][ T1011]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.747303][ T1011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.747473][ T1011] RIP: 0033:0x7efe4761508e
[   57.747620][ T1011] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.748167][ T1011] RSP: 002b:00007ffca86da460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.748373][ T1011] RAX: ffffffffffffffda RBX: 00007ffca86dac08 RCX: 00007efe4761508e
[   57.748579][ T1011] RDX: 0000000000000000 RSI: 00007ffca86da510 RDI: 0000000000000005
[   57.748782][ T1011] RBP: 00007ffca86da470 R08: 0000000000000000 R09: 0000000000000000
[   57.749048][ T1011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd25
[   57.749252][ T1011] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca86dabe0
| [   57.796106][ T1012] ------------[ cut here ]------------
| [   57.796295][ T1012] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1012
| [   57.796595][ T1012] Modules linked in:
| [   57.797064][ T1012] Tainted: [W]=WARN
[   57.797206][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.797408][ T1012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.797624][ T1012] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.798130][ T1012] RSP: 0018:ffa0000002f96ff8 EFLAGS: 00010286
[   57.798335][ T1012] RAX: 00000000ffffffa6 RBX: ff11000010a91380 RCX: 1ff40000005f2dc5
[   57.798574][ T1012] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a9143c
[   57.798812][ T1012] RBP: ff1100000ff79000 R08: 1fe2200002152289 R09: ff11000010480b58
[   57.799059][ T1012] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.799287][ T1012] R13: 0000000000000000 R14: ffa0000002f97140 R15: ff110000126c74d0
[   57.799521][ T1012] FS:  00007f6b4eeaa840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.799787][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.800042][ T1012] CR2: 0000000038bf4988 CR3: 000000001074a004 CR4: 0000000000771ef0
[   57.800274][ T1012] PKRU: 55555554
[   57.800414][ T1012] Call Trace:
[   57.800559][ T1012]  <TASK>
[   57.800671][ T1012]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   57.800849][ T1012]  __dev_change_net_namespace (net/core/dev.c:12635)
[   57.801068][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.801237][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.801412][ T1012]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.801621][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.801793][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.801982][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.802154][ T1012]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.802326][ T1012]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.802498][ T1012]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.802682][ T1012]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.802878][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.803084][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.803256][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.803427][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.803605][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.803778][ T1012]  ? __kernel_text_address (kernel/extable.c:79)
[   57.803974][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.804149][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.804321][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.804493][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.804673][ T1012]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.804847][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.805032][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.805204][ T1012]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.805375][ T1012]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.805551][ T1012]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.805722][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.805917][ T1012]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.806089][ T1012]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.806266][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.806443][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.806625][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.806807][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.806990][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.807160][ T1012]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.807330][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.807503][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.807679][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.807859][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.808044][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.808220][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.808392][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.808571][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.808743][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.808936][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.809109][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.809278][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.809453][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.809630][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.809810][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.809999][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.810167][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.810341][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.810518][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.810693][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.810888][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.811064][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.811235][ T1012]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.811407][ T1012]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.811586][ T1012]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.811758][ T1012]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.811977][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   57.812153][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.812324][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.812498][ T1012]  ___sys_sendmsg (net/socket.c:2752)
[   57.812676][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.812901][ T1012]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.813085][ T1012]  __sys_sendmsg (net/socket.c:2784)
[   57.813256][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.813430][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.813642][ T1012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.813821][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.814007][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.814177][ T1012]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.814348][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.814522][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.814724][ T1012] RIP: 0033:0x7f6b4f0e408e
[   57.814922][ T1012] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.815409][ T1012] RSP: 002b:00007ffe65f1d770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.815649][ T1012] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b4f0e408e
[   57.815904][ T1012] RDX: 0000000000000000 RSI: 00007ffe65f1d820 RDI: 0000000000000005
[   57.816136][ T1012] RBP: 00007ffe65f1d780 R08: 0000000000000000 R09: 0000000000000000
[   57.816367][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   57.816606][ T1012] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe65f1def0
| [   57.819526][ T1012] ------------[ cut here ]------------
| [   57.819691][ T1012] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1012
| [   57.820009][ T1012] Modules linked in:
| [   57.820449][ T1012] Tainted: [W]=WARN
[   57.820597][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.820808][ T1012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.821033][ T1012] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.821527][ T1012] RSP: 0018:ffa0000002f96fc0 EFLAGS: 00010286
[   57.821733][ T1012] RAX: 00000000ffffffa6 RBX: ff1100000ed2a900 RCX: 1ff40000005f2dbe
[   57.821981][ T1012] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed2a9bc
[   57.822217][ T1012] RBP: ff1100000ff79000 R08: 1fe2200001da5539 R09: ff11000010480b58
[   57.822450][ T1012] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.822687][ T1012] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000126c74d0
[   57.822944][ T1012] FS:  00007f6b4eeaa840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.823211][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.823414][ T1012] CR2: 0000000038bf4988 CR3: 000000001074a004 CR4: 0000000000771ef0
[   57.823655][ T1012] PKRU: 55555554
[   57.823796][ T1012] Call Trace:
[   57.823957][ T1012]  <TASK>
[   57.824068][ T1012]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.824241][ T1012]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.824416][ T1012]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.824567][ T1012]  __dev_change_net_namespace (net/core/dev.c:12695)
[   57.824772][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.824962][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.825138][ T1012]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.825340][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.825513][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.825694][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.825887][ T1012]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.826062][ T1012]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.826237][ T1012]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   57.826411][ T1012]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.826590][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.826793][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.826989][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.827161][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.827332][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.827504][ T1012]  ? __kernel_text_address (kernel/extable.c:79)
[   57.827684][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.827882][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.828058][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.828231][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.828402][ T1012]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.828583][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.828755][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.828949][ T1012]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.829123][ T1012]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.829295][ T1012]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.829472][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.829653][ T1012]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.829832][ T1012]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.830018][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.830194][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.830372][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.830550][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.830724][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.830917][ T1012]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.831089][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.831264][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.831435][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.831615][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.831789][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.831981][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.832156][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.832329][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.832501][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.832680][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.832863][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.833047][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.833221][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.833391][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.833575][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.833750][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.833943][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.834118][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.834292][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.834463][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.834645][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.834824][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.835015][ T1012]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.835189][ T1012]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.835361][ T1012]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.835535][ T1012]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.835738][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   57.835935][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.836109][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.836284][ T1012]  ___sys_sendmsg (net/socket.c:2752)
[   57.836456][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.836667][ T1012]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.836859][ T1012]  __sys_sendmsg (net/socket.c:2784)
[   57.837047][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.837217][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.837423][ T1012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.837607][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.837784][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.837979][ T1012]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.838151][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.838324][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.838529][ T1012] RIP: 0033:0x7f6b4f0e408e
[   57.838707][ T1012] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.839227][ T1012] RSP: 002b:00007ffe65f1d770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.839462][ T1012] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b4f0e408e
[   57.839704][ T1012] RDX: 0000000000000000 RSI: 00007ffe65f1d820 RDI: 0000000000000005
[   57.839964][ T1012] RBP: 00007ffe65f1d780 R08: 0000000000000000 R09: 0000000000000000
[   57.840200][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   57.840433][ T1012] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe65f1def0
| [   57.842752][ T1012] ------------[ cut here ]------------
| [   57.842944][ T1012] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1012
| [   57.843236][ T1012] Modules linked in:
| [   57.843685][ T1012] Tainted: [W]=WARN
[   57.843834][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.844113][ T1012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.844379][ T1012] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.844959][ T1012] RSP: 0018:ffa0000002f97038 EFLAGS: 00010286
[   57.845215][ T1012] RAX: 00000000ffffffa6 RBX: ff1100000ed2b700 RCX: 1ff40000005f2dcd
[   57.845497][ T1012] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed2b7bc
[   57.845778][ T1012] RBP: ff1100000ff79000 R08: 1fe2200001da56f9 R09: ff11000010480b58
[   57.846033][ T1012] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   57.846265][ T1012] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   57.846503][ T1012] FS:  00007f6b4eeaa840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.846776][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.847006][ T1012] CR2: 0000000038bf4988 CR3: 000000001074a004 CR4: 0000000000771ef0
[   57.847241][ T1012] PKRU: 55555554
[   57.847383][ T1012] Call Trace:
[   57.847529][ T1012]  <TASK>
[   57.847644][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.847826][ T1012]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   57.848021][ T1012]  notifier_call_chain (kernel/notifier.c:85)
[   57.848201][ T1012]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   57.848380][ T1012]  ? default_device_exit_batch (net/core/dev.c:13091)
[   57.848596][ T1012]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.848812][ T1012]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.849002][ T1012]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.849181][ T1012]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   57.849360][ T1012]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.849540][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.849752][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.849949][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.850129][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.850304][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.850481][ T1012]  ? __kernel_text_address (kernel/extable.c:79)
[   57.850660][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.850848][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.851035][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.851209][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.851381][ T1012]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.851557][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.851729][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.851920][ T1012]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.852095][ T1012]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.852269][ T1012]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.852443][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.852624][ T1012]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.852795][ T1012]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.852994][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.853172][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.853348][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.853523][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.853700][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.853890][ T1012]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.854063][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.854239][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.854409][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.854588][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.854761][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.854960][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.855134][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.855306][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.855477][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.855654][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.855835][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.856018][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.856192][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.856366][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.856541][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.856718][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.856910][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.857089][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.857263][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.857436][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.857621][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.857807][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.857997][ T1012]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.858175][ T1012]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.858351][ T1012]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.858530][ T1012]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.858737][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   57.858934][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.859109][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.859283][ T1012]  ___sys_sendmsg (net/socket.c:2752)
[   57.859453][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.859662][ T1012]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.859854][ T1012]  __sys_sendmsg (net/socket.c:2784)
[   57.860042][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.860213][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.860420][ T1012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.860599][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.860773][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.860969][ T1012]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.861145][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.861323][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.861531][ T1012] RIP: 0033:0x7f6b4f0e408e
[   57.861718][ T1012] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.862231][ T1012] RSP: 002b:00007ffe65f1d770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.862467][ T1012] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b4f0e408e
[   57.862713][ T1012] RDX: 0000000000000000 RSI: 00007ffe65f1d820 RDI: 0000000000000005
[   57.862975][ T1012] RBP: 00007ffe65f1d780 R08: 0000000000000000 R09: 0000000000000000
[   57.863208][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   57.863440][ T1012] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe65f1def0
| [   57.866022][ T1012] ------------[ cut here ]------------
| [   57.866193][ T1012] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1012
| [   57.866488][ T1012] Modules linked in:
| [   57.867388][ T1012] Tainted: [W]=WARN
[   57.867590][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.867857][ T1012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.868193][ T1012] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.868755][ T1012] RSP: 0018:ffa0000002f97020 EFLAGS: 00010286
[   57.869036][ T1012] RAX: 00000000ffffffa6 RBX: ff1100000ed2ae40 RCX: 1ff40000005f2dca
[   57.869325][ T1012] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed2aefc
[   57.869630][ T1012] RBP: ff1100000ff79000 R08: 1fe2200001da55e1 R09: ff11000010480b58
[   57.869942][ T1012] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   57.870231][ T1012] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.870529][ T1012] FS:  00007f6b4eeaa840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   57.870864][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.871187][ T1012] CR2: 0000000038bf4988 CR3: 000000001074a004 CR4: 0000000000771ef0
[   57.871480][ T1012] PKRU: 55555554
[   57.871680][ T1012] Call Trace:
[   57.871894][ T1012]  <TASK>
[   57.872061][ T1012]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.872290][ T1012]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.872488][ T1012]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.872725][ T1012]  __dev_notify_flags (net/core/dev.c:9787)
[   57.872974][ T1012]  ? netif_change_name (net/core/dev.c:1495)
[   57.873205][ T1012]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.873434][ T1012]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.873670][ T1012]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   57.873947][ T1012]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.874182][ T1012]  netif_change_flags (net/core/dev.c:9820)
[   57.874412][ T1012]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.874648][ T1012]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.874897][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.875161][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.875389][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.875623][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.875861][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.876159][ T1012]  ? __kernel_text_address (kernel/extable.c:79)
[   57.876389][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.876626][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.876862][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.877156][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.877385][ T1012]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.877623][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.877859][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.878154][ T1012]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.878386][ T1012]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.878620][ T1012]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.878856][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.879102][ T1012]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.879332][ T1012]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.879573][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.879811][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.880058][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.880284][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.880514][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.880745][ T1012]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.880997][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.881229][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.881459][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.881695][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.881946][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.882177][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.882405][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.882641][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.882890][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.883129][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.883361][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.883595][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.883836][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.884078][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.884309][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.884553][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.884783][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.885040][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.885273][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.885500][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.885735][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.885986][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.886217][ T1012]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.886445][ T1012]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.886680][ T1012]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.886936][ T1012]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.887197][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   57.887427][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.887663][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.887915][ T1012]  ___sys_sendmsg (net/socket.c:2752)
[   57.888146][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.888409][ T1012]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.888656][ T1012]  __sys_sendmsg (net/socket.c:2784)
[   57.888907][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.889137][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.889399][ T1012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.889634][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.889883][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.890117][ T1012]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.890350][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.890586][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.890854][ T1012] RIP: 0033:0x7f6b4f0e408e
[   57.891051][ T1012] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.891572][ T1012] RSP: 002b:00007ffe65f1d770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.891823][ T1012] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b4f0e408e
[   57.892079][ T1012] RDX: 0000000000000000 RSI: 00007ffe65f1d820 RDI: 0000000000000005
[   57.892318][ T1012] RBP: 00007ffe65f1d780 R08: 0000000000000000 R09: 0000000000000000
[   57.892571][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   57.892820][ T1012] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe65f1def0
| [   57.932623][ T1013] ------------[ cut here ]------------
| [   57.932823][ T1013] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1013
| [   57.933158][ T1013] Modules linked in:
| [   57.933564][ T1013] Tainted: [W]=WARN
[   57.933663][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.933837][ T1013] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.934018][ T1013] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.934487][ T1013] RSP: 0018:ffa0000002fa71b0 EFLAGS: 00010286
[   57.934656][ T1013] RAX: 00000000ffffffa6 RBX: ff1100000b7af8c0 RCX: 1ff40000005f4dfc
[   57.934857][ T1013] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7af97c
[   57.935060][ T1013] RBP: ff1100001025a000 R08: 1fe22000016f5f31 R09: ff11000010482e80
[   57.935257][ T1013] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.935453][ T1013] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[   57.935653][ T1013] FS:  00007fb51a008840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.935895][ T1013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.936065][ T1013] CR2: 00000000004a04a0 CR3: 00000000125cf003 CR4: 0000000000771ef0
[   57.936265][ T1013] PKRU: 55555554
[   57.936365][ T1013] Call Trace:
[   57.936462][ T1013]  <TASK>
[   57.936536][ T1013]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.936671][ T1013]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.936774][ T1013]  __dev_notify_flags (net/core/dev.c:9787)
[   57.936917][ T1013]  ? netif_change_name (net/core/dev.c:1495)
[   57.937053][ T1013]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   57.937218][ T1013]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.937353][ T1013]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.937487][ T1013]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   57.937623][ T1013]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.937756][ T1013]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.937900][ T1013]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.938031][ T1013]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.938170][ T1013]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.938305][ T1013]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.938438][ T1013]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.938573][ T1013]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.938703][ T1013]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.938841][ T1013]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.938977][ T1013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.939111][ T1013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.939242][ T1013]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.939375][ T1013]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.939507][ T1013]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.939640][ T1013]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.939770][ T1013]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.939914][ T1013]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.940044][ T1013]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.940178][ T1013]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.940309][ T1013]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.940454][ T1013]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.940610][ T1013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.940766][ T1013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.940911][ T1013]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.941049][ T1013]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.941187][ T1013]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.941325][ T1013]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.941463][ T1013]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.941605][ T1013]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.941743][ T1013]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.941886][ T1013]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.942019][ T1013]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.942181][ T1013]  ? move_addr_to_kernel (net/socket.c:258)
[   57.942314][ T1013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.942446][ T1013]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.942582][ T1013]  ___sys_sendmsg (net/socket.c:2752)
[   57.942714][ T1013]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[   57.942853][ T1013]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.942995][ T1013]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.943158][ T1013]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.943296][ T1013]  __sys_sendmsg (net/socket.c:2784)
[   57.943427][ T1013]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.943584][ T1013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.943723][ T1013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.943860][ T1013]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.944001][ T1013]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.944132][ T1013]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.944264][ T1013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.944427][ T1013] RIP: 0033:0x7fb51a24208e
[   57.944569][ T1013] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.945047][ T1013] RSP: 002b:00007ffd84399a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.945246][ T1013] RAX: ffffffffffffffda RBX: 00007ffd8439a238 RCX: 00007fb51a24208e
[   57.945441][ T1013] RDX: 0000000000000000 RSI: 00007ffd84399b40 RDI: 0000000000000005
[   57.945642][ T1013] RBP: 00007ffd84399aa0 R08: 0000000000000000 R09: 0000000000000000
[   57.945846][ T1013] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   57.946048][ T1013] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8439a210
| [   57.973248][ T1014] ------------[ cut here ]------------
| [   57.973434][ T1014] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1014
| [   57.973743][ T1014] Modules linked in:
| [   57.974170][ T1014] Tainted: [W]=WARN
[   57.974271][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.974438][ T1014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.974639][ T1014] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   57.975195][ T1014] RSP: 0018:ffa0000002fb7020 EFLAGS: 00010286
[   57.975367][ T1014] RAX: 00000000ffffffa6 RBX: ff1100000b7aeac0 RCX: 1ff40000005f6dca
[   57.975567][ T1014] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7aeb7c
[   57.975790][ T1014] RBP: ff1100001025a000 R08: 1fe22000016f5d71 R09: ff11000010485158
[   57.976229][ T1014] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   57.976429][ T1014] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.976649][ T1014] FS:  00007f89dcccd840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   57.976914][ T1014] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.977083][ T1014] CR2: 0000000028360988 CR3: 00000000125cf006 CR4: 0000000000771ef0
[   57.977309][ T1014] PKRU: 55555554
[   57.977409][ T1014] Call Trace:
[   57.977528][ T1014]  <TASK>
[   57.977609][ T1014]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   57.977771][ T1014]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.977927][ T1014]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.978041][ T1014]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.978173][ T1014]  __dev_notify_flags (net/core/dev.c:9787)
[   57.978308][ T1014]  ? netif_change_name (net/core/dev.c:1495)
[   57.978441][ T1014]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.978603][ T1014]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.978734][ T1014]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.978950][ T1014]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   57.979100][ T1014]  netif_change_flags (net/core/dev.c:9820)
[   57.979255][ T1014]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   57.979399][ T1014]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.979550][ T1014]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.979707][ T1014]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.979987][ T1014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.980197][ T1014]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.980331][ T1014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.980466][ T1014]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.980623][ T1014]  ? __kernel_text_address (kernel/extable.c:79)
[   57.980773][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.981001][ T1014]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.981149][ T1014]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.981307][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.981442][ T1014]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.981580][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.981724][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.981972][ T1014]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.982132][ T1014]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   57.982265][ T1014]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.982398][ T1014]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.982536][ T1014]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.982671][ T1014]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.982810][ T1014]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.983044][ T1014]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.983193][ T1014]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.983324][ T1014]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.983456][ T1014]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.983587][ T1014]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.983721][ T1014]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.983860][ T1014]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.984057][ T1014]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.984192][ T1014]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.984325][ T1014]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.984481][ T1014]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.984617][ T1014]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.984751][ T1014]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.984943][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.985079][ T1014]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.985210][ T1014]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.985343][ T1014]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.985476][ T1014]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.985612][ T1014]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.985749][ T1014]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   57.985943][ T1014]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   57.986077][ T1014]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.986212][ T1014]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.986345][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.986490][ T1014]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.986639][ T1014]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.986791][ T1014]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.986968][ T1014]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.987101][ T1014]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.987252][ T1014]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.987441][ T1014]  ? move_addr_to_kernel (net/socket.c:258)
[   57.987577][ T1014]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.987705][ T1014]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.987842][ T1014]  ___sys_sendmsg (net/socket.c:2752)
[   57.987977][ T1014]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.988137][ T1014]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.988279][ T1014]  __sys_sendmsg (net/socket.c:2784)
[   57.988408][ T1014]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.988539][ T1014]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.988701][ T1014]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   57.988839][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.988976][ T1014]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.989109][ T1014]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.989240][ T1014]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.989369][ T1014]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.989531][ T1014] RIP: 0033:0x7f89dcf0708e
[   57.989666][ T1014] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   57.990138][ T1014] RSP: 002b:00007ffd5fffd1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.990333][ T1014] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f89dcf0708e
[   57.990572][ T1014] RDX: 0000000000000000 RSI: 00007ffd5fffd250 RDI: 0000000000000005
[   57.990814][ T1014] RBP: 00007ffd5fffd1b0 R08: 0000000000000000 R09: 0000000000000000
[   57.991066][ T1014] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   57.991263][ T1014] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5fffd920
| [   58.070976][ T1017] ------------[ cut here ]------------
| [   58.071150][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1017
| [   58.071462][ T1017] Modules linked in:
| [   58.071872][ T1017] Tainted: [W]=WARN
[   58.071972][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.072133][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.072301][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.072794][ T1017] RSP: 0018:ffa0000002fd7020 EFLAGS: 00010286
[   58.073064][ T1017] RAX: 00000000ffffffa6 RBX: ff1100000981aac0 RCX: 1ff40000005fadca
[   58.073283][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000981ab7c
[   58.073489][ T1017] RBP: ff110000091a4000 R08: 1fe2200001303571 R09: ff110000107cd158
[   58.073699][ T1017] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   58.073994][ T1017] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.074190][ T1017] FS:  00007f4012101840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   58.074415][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.074580][ T1017] CR2: 00000000004eba70 CR3: 00000000125cf002 CR4: 0000000000771ef0
[   58.074773][ T1017] PKRU: 55555554
[   58.074960][ T1017] Call Trace:
[   58.075055][ T1017]  <TASK>
[   58.075121][ T1017]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.075252][ T1017]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.075350][ T1017]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.075476][ T1017]  __dev_notify_flags (net/core/dev.c:9787)
[   58.075610][ T1017]  ? netif_change_name (net/core/dev.c:1495)
[   58.075740][ T1017]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.075940][ T1017]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.076069][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.076197][ T1017]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   58.076326][ T1017]  netif_change_flags (net/core/dev.c:9820)
[   58.076454][ T1017]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.076584][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.076716][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.076850][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.077097][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.077225][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.077373][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.077505][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.077678][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   58.077829][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.078046][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.078176][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.078319][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.078463][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.078595][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.078723][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.078858][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.079047][ T1017]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.079174][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.079302][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.079431][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.079563][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.079693][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.079832][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.080030][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.080156][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.080283][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.080411][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.080541][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.080671][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.080803][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.080976][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.081104][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.081271][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.081408][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.081544][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.081679][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.081814][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.081954][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.082092][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.082224][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.082356][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.082489][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.082630][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.082757][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.082898][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.083030][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.083158][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.083287][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.083418][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.083550][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.083679][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.083812][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.083945][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.084104][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   58.084235][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.084364][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.084493][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   58.084624][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.084782][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.084934][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   58.085065][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.085194][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.085355][ T1017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.085483][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.085614][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.085742][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.085881][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.086013][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.086171][ T1017] RIP: 0033:0x7f401233b08e
[   58.086305][ T1017] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.086762][ T1017] RSP: 002b:00007ffe4d19af80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.086972][ T1017] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f401233b08e
[   58.087163][ T1017] RDX: 0000000000000000 RSI: 00007ffe4d19b030 RDI: 0000000000000005
[   58.087353][ T1017] RBP: 00007ffe4d19af90 R08: 0000000000000000 R09: 0000000000000000
[   58.087547][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.087741][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4d19b700
| [   58.090569][ T1017] ------------[ cut here ]------------
| [   58.090702][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1017
| [   58.091311][ T1017] Modules linked in:
| [   58.091692][ T1017] Tainted: [W]=WARN
[   58.091793][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.092030][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.092204][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.092685][ T1017] RSP: 0018:ffa0000002fd6ee0 EFLAGS: 00010286
[   58.092860][ T1017] RAX: 00000000ffffffa6 RBX: ff1100000981ae40 RCX: 1ff40000005fada2
[   58.093146][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000981aefc
[   58.093352][ T1017] RBP: ff110000091a4000 R08: 1fe22000013035e1 R09: ff110000107cd158
[   58.093558][ T1017] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   58.093763][ T1017] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   58.094029][ T1017] FS:  00007f4012101840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   58.094266][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.094437][ T1017] CR2: 00000000004eba70 CR3: 00000000125cf002 CR4: 0000000000771ef0
[   58.094643][ T1017] PKRU: 55555554
[   58.094744][ T1017] Call Trace:
[   58.094850][ T1017]  <TASK>
[   58.095023][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.095159][ T1017]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.095296][ T1017]  notifier_call_chain (kernel/notifier.c:85)
[   58.095434][ T1017]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   58.095575][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.095710][ T1017]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.095851][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.096090][ T1017]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   58.096225][ T1017]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   58.096362][ T1017]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.096496][ T1017]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   58.096636][ T1017]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   58.096772][ T1017]  br_add_if (net/bridge/br_if.c:619)
[   58.096888][ T1017]  do_set_master (net/core/rtnetlink.c:3011)
[   58.097024][ T1017]  ? netif_change_flags (net/core/dev.c:9820)
[   58.097162][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.097299][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.097435][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.097609][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.097742][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.097886][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.098021][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.098158][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   58.098293][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.098429][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.098569][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.098705][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.098846][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.098985][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.099120][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.099257][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.099393][ T1017]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.099533][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.099668][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.099809][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.099949][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.100085][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.100221][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.100353][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.100482][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.100617][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.100748][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.100887][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.101024][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.101160][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.101294][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.101428][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.101570][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.101706][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.101846][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.101985][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.102117][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.102248][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.102379][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.102515][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.102647][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.102777][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.102921][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.103052][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.103184][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.103315][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.103448][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.103582][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.103715][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.103851][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.103989][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.104119][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.104251][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.104412][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   58.104547][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.104679][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.104817][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   58.104952][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.105115][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.105257][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   58.105388][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.105520][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.105686][ T1017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.105822][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.105961][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.106096][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.106231][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.106363][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.106529][ T1017] RIP: 0033:0x7f401233b08e
[   58.106665][ T1017] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.107143][ T1017] RSP: 002b:00007ffe4d19af80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.107340][ T1017] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f401233b08e
[   58.107541][ T1017] RDX: 0000000000000000 RSI: 00007ffe4d19b030 RDI: 0000000000000005
[   58.107737][ T1017] RBP: 00007ffe4d19af90 R08: 0000000000000000 R09: 0000000000000000
[   58.107947][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.108147][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4d19b700
| [   58.109994][ T1017] ------------[ cut here ]------------
| [   58.110174][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1017
| [   58.110499][ T1017] Modules linked in:
| [   58.111025][ T1017] Tainted: [W]=WARN
[   58.111180][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.111402][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.111640][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.112218][ T1017] RSP: 0018:ffa0000002fd6ea0 EFLAGS: 00010286
[   58.112443][ T1017] RAX: 00000000ffffffa6 RBX: ff1100000981b000 RCX: 1ff40000005fad9a
[   58.112707][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000981b0bc
[   58.112990][ T1017] RBP: ff110000091a4000 R08: 1fe2200001303619 R09: ff110000107cd158
[   58.113247][ T1017] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[   58.113502][ T1017] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001025adc0
[   58.113769][ T1017] FS:  00007f4012101840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.114086][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.114313][ T1017] CR2: 00007f03ab2aa574 CR3: 00000000125cf004 CR4: 0000000000771ef0
[   58.114581][ T1017] PKRU: 55555554
[   58.114734][ T1017] Call Trace:
[   58.114912][ T1017]  <TASK>
[   58.115036][ T1017]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.115229][ T1017]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.115387][ T1017]  __dev_notify_flags (net/core/dev.c:9787)
[   58.115590][ T1017]  ? netdev_notice (net/core/dev.c:13008)
[   58.115781][ T1017]  ? netif_change_name (net/core/dev.c:1495)
[   58.115989][ T1017]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   58.116215][ T1017]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.116407][ T1017]  __dev_set_promiscuity (net/core/dev.c:9630)
[   58.116604][ T1017]  netif_set_promiscuity (net/core/dev.c:9639)
[   58.116809][ T1017]  dev_set_promiscuity (net/core/dev_api.c:288)
[   58.117014][ T1017]  br_port_set_promisc (net/bridge/br_if.c:108)
[   58.117204][ T1017]  br_manage_promisc (net/bridge/br_if.c:174)
[   58.117393][ T1017]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.117591][ T1017]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   58.117750][ T1017]  do_set_master (net/core/rtnetlink.c:3011)
[   58.117960][ T1017]  ? netif_change_flags (net/core/dev.c:9820)
[   58.118155][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.118348][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.118540][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.118768][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.118975][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.119165][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.119357][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.119554][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   58.119745][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.119957][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.120146][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.120335][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.120530][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.120719][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.120930][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.121124][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.121314][ T1017]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.121501][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.121699][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.121916][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.122110][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.122303][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.122499][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.122699][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.122909][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.123106][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.123295][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.123483][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.123680][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.123890][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.124087][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.124279][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.124473][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.124670][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.124882][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.125076][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.125267][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.125459][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.125661][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.125861][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.126071][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.126264][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.126459][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.126657][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.126856][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.127068][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.127259][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.127451][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.127653][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.127852][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.128057][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.128250][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.128441][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.128674][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   58.128888][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.129080][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.129271][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   58.129461][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.129698][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.129926][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   58.130124][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.130313][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.130544][ T1017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.130736][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.130957][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.131149][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.131340][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.131536][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.131761][ T1017] RIP: 0033:0x7f401233b08e
[   58.131976][ T1017] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.132530][ T1017] RSP: 002b:00007ffe4d19af80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.132795][ T1017] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f401233b08e
[   58.133075][ T1017] RDX: 0000000000000000 RSI: 00007ffe4d19b030 RDI: 0000000000000005
[   58.133336][ T1017] RBP: 00007ffe4d19af90 R08: 0000000000000000 R09: 0000000000000000
[   58.133600][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.133884][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4d19b700
| [   58.141760][ T1017] ------------[ cut here ]------------
| [   58.141966][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1017
| [   58.142280][ T1017] Modules linked in:
| [   58.142755][ T1017] Tainted: [W]=WARN
[   58.143456][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.143740][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.144105][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.144688][ T1017] RSP: 0018:ffa0000002fd7000 EFLAGS: 00010286
[   58.144978][ T1017] RAX: 00000000ffffffa6 RBX: ff1100000981bc40 RCX: 1ff40000005fadc6
[   58.145278][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000981bcfc
[   58.145586][ T1017] RBP: ff1100001025a000 R08: 1fe22000013037a1 R09: ff110000107cd158
[   58.145906][ T1017] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.146209][ T1017] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   58.146515][ T1017] FS:  00007f4012101840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.146933][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.147207][ T1017] CR2: 00007f03ab2aa574 CR3: 00000000125cf004 CR4: 0000000000771ef0
[   58.147514][ T1017] PKRU: 55555554
[   58.147721][ T1017] Call Trace:
[   58.147944][ T1017]  <TASK>
[   58.148118][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.148357][ T1017]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.148604][ T1017]  notifier_call_chain (kernel/notifier.c:85)
[   58.148852][ T1017]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   58.149105][ T1017]  ? __dev_open (./include/net/netdev_lock.h:33)
[   58.149345][ T1017]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   58.149586][ T1017]  br_add_if (net/bridge/br_if.c:679)
[   58.149797][ T1017]  do_set_master (net/core/rtnetlink.c:3011)
[   58.150056][ T1017]  ? netif_change_flags (net/core/dev.c:9820)
[   58.150293][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.150543][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.150782][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.151072][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.151303][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.151545][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.151777][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.152036][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   58.152272][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.152513][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.152753][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.153013][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.153253][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.153487][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.153727][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.153985][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.154220][ T1017]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.154451][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.154691][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.154950][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.155164][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.155345][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.155531][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.155716][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.155916][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.156097][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.156273][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.156451][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.156639][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.156824][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.157022][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.157205][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.157388][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.157575][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.157755][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.157951][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.158129][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.158309][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.158487][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.158678][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.158882][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.159067][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.159252][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.159431][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.159623][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.159817][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.160015][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.160199][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.160383][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.160574][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.160759][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.160963][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.161145][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.161362][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   58.161551][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.161735][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.161942][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   58.162127][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.162342][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.162541][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   58.162727][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.162928][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.163146][ T1017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.163327][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.163512][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.163697][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.163894][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.164083][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.164295][ T1017] RIP: 0033:0x7f401233b08e
[   58.164483][ T1017] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.165032][ T1017] RSP: 002b:00007ffe4d19af80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.165282][ T1017] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f401233b08e
[   58.165530][ T1017] RDX: 0000000000000000 RSI: 00007ffe4d19b030 RDI: 0000000000000005
[   58.165778][ T1017] RBP: 00007ffe4d19af90 R08: 0000000000000000 R09: 0000000000000000
[   58.166045][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.166291][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4d19b700
| [   58.168436][ T1017] ------------[ cut here ]------------
| [   58.168618][ T1017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1017
| [   58.168954][ T1017] Modules linked in:
| [   58.169415][ T1017] Tainted: [W]=WARN
[   58.169569][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.169781][ T1017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.170120][ T1017] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.170654][ T1017] RSP: 0018:ffa0000002fd6f78 EFLAGS: 00010286
[   58.170891][ T1017] RAX: 00000000ffffffa6 RBX: ff1100000c502200 RCX: 1ff40000005fadb5
[   58.171140][ T1017] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5022bc
[   58.171384][ T1017] RBP: ff1100001025a000 R08: 1fe22000018a0459 R09: ff110000107cd158
[   58.171635][ T1017] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.171896][ T1017] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   58.172146][ T1017] FS:  00007f4012101840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.172423][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.172643][ T1017] CR2: 00007f03ab2aa574 CR3: 00000000125cf004 CR4: 0000000000771ef0
[   58.172906][ T1017] PKRU: 55555554
[   58.173057][ T1017] Call Trace:
[   58.173203][ T1017]  <TASK>
[   58.173318][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.173500][ T1017]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.173691][ T1017]  notifier_call_chain (kernel/notifier.c:85)
[   58.173895][ T1017]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   58.174113][ T1017]  ? netdev_change_features (net/core/dev.c:11117)
[   58.174296][ T1017]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   58.174480][ T1017]  br_add_if (net/bridge/br_if.c:683)
[   58.174636][ T1017]  do_set_master (net/core/rtnetlink.c:3011)
[   58.174826][ T1017]  ? netif_change_flags (net/core/dev.c:9820)
[   58.175021][ T1017]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.175205][ T1017]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.175387][ T1017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.175608][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.175789][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.175990][ T1017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.176174][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.176355][ T1017]  ? __kernel_text_address (kernel/extable.c:79)
[   58.176539][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.176723][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.176922][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.177105][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.177286][ T1017]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.177469][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.177657][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.177849][ T1017]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.178043][ T1017]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.178225][ T1017]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.178408][ T1017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.178598][ T1017]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.178779][ T1017]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.178987][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.179172][ T1017]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.179357][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.179535][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.179716][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.179913][ T1017]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.180090][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.180274][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.180450][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.180634][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.180818][ T1017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.181011][ T1017]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.181189][ T1017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.181369][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.181553][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.181734][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.181931][ T1017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.182107][ T1017]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.182285][ T1017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.182461][ T1017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.182647][ T1017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.182834][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.183024][ T1017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.183209][ T1017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.183388][ T1017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.183572][ T1017]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.183752][ T1017]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.183952][ T1017]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.184131][ T1017]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.184309][ T1017]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.184491][ T1017]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.184675][ T1017]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.184905][ T1017]  ? move_addr_to_kernel (net/socket.c:258)
[   58.185089][ T1017]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.185268][ T1017]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.185447][ T1017]  ___sys_sendmsg (net/socket.c:2752)
[   58.185633][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.185859][ T1017]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.186068][ T1017]  __sys_sendmsg (net/socket.c:2784)
[   58.186253][ T1017]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.186435][ T1017]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.186661][ T1017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.186849][ T1017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.187046][ T1017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.187231][ T1017]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.187411][ T1017]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.187600][ T1017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.187819][ T1017] RIP: 0033:0x7f401233b08e
[   58.188018][ T1017] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.188548][ T1017] RSP: 002b:00007ffe4d19af80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.188796][ T1017] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f401233b08e
[   58.189065][ T1017] RDX: 0000000000000000 RSI: 00007ffe4d19b030 RDI: 0000000000000005
[   58.189310][ T1017] RBP: 00007ffe4d19af90 R08: 0000000000000000 R09: 0000000000000000
[   58.189563][ T1017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.189817][ T1017] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4d19b700
| [   58.192666][   T36] ------------[ cut here ]------------
| [   58.192787][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   58.193043][   T36] Modules linked in:
| [   58.193418][   T36] Tainted: [W]=WARN
[   58.193517][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.193668][   T36] Workqueue: events_unbound linkwatch_event
[   58.193832][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.193998][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.194429][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   58.194583][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c503000 RCX: 1ff4000000051f02
[   58.194767][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5030bc
[   58.194960][   T36] RBP: ff110000091a4000 R08: 1fe22000018a0619 R09: ff11000001d751a8
[   58.195140][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.195320][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.195501][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.195722][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.195883][   T36] CR2: 00007f51238cb574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   58.196066][   T36] PKRU: 55555554
[   58.196157][   T36] Call Trace:
[   58.196246][   T36]  <TASK>
[   58.196310][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.196432][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.196558][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.196652][   T36]  netif_state_change (net/core/dev.c:1605)
[   58.196773][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.196938][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.197059][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.197180][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.197303][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.197423][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.197548][   T36]  process_one_work (kernel/workqueue.c:3314)
[   58.197674][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.197794][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.197931][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.198057][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.198177][   T36]  kthread (kernel/kthread.c:436)
[   58.198270][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.198421][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.198546][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.198668][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.198826][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.198954][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.199076][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.200769][   T36] ------------[ cut here ]------------
| [   58.200903][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   58.201231][   T36] Modules linked in:
| [   58.201680][   T36] Tainted: [W]=WARN
[   58.201772][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.201936][   T36] Workqueue: events_unbound linkwatch_event
[   58.202090][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.202327][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.202844][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   58.203016][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c503700 RCX: 1ff4000000051f02
[   58.203196][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5037bc
[   58.203451][   T36] RBP: ff11000007861000 R08: 1fe22000018a06f9 R09: ff11000001d751a8
[   58.203633][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.203816][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.204004][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.204216][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.204368][   T36] CR2: 00007f51238cb574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   58.204628][   T36] PKRU: 55555554
[   58.204718][   T36] Call Trace:
[   58.204815][   T36]  <TASK>
[   58.204881][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.205010][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.205132][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.205225][   T36]  netif_state_change (net/core/dev.c:1605)
[   58.205348][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.205578][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.205697][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.205824][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.205954][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.206078][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.206199][   T36]  process_one_work (kernel/workqueue.c:3314)
[   58.206325][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.206446][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.206574][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.206699][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.206825][   T36]  kthread (kernel/kthread.c:436)
[   58.206924][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.207148][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.207270][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.207391][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.207545][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.207666][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.207787][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.209585][   T36] ------------[ cut here ]------------
| [   58.209706][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   58.209968][   T36] Modules linked in:
| [   58.210333][   T36] Tainted: [W]=WARN
[   58.210424][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.210577][   T36] Workqueue: events_unbound linkwatch_event
[   58.210732][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.210951][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.211429][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   58.211580][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c503e00 RCX: 1ff4000000051f02
[   58.211767][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c503ebc
[   58.212014][   T36] RBP: ff1100001025a000 R08: 1fe22000018a07d9 R09: ff11000001d751a8
[   58.212193][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.212372][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.212556][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.212767][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.212983][   T36] CR2: 00007f51238cb574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   58.213210][   T36] PKRU: 55555554
[   58.213300][   T36] Call Trace:
[   58.213388][   T36]  <TASK>
[   58.213452][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.213579][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.213699][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.213792][   T36]  netif_state_change (net/core/dev.c:1605)
[   58.213967][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.214119][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.214238][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.214360][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.214486][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.214608][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.214728][   T36]  process_one_work (kernel/workqueue.c:3314)
[   58.214857][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.215024][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.215150][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.215276][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.215399][   T36]  kthread (kernel/kthread.c:436)
[   58.215490][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.215643][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.215764][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.215939][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.216091][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.216212][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.216335][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.245648][ T1018] ------------[ cut here ]------------
| [   58.245812][ T1018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1018
| [   58.246075][ T1018] Modules linked in:
| [   58.246434][ T1018] Tainted: [W]=WARN
[   58.246538][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.246700][ T1018] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.246877][ T1018] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.247335][ T1018] RSP: 0018:ffa0000002d77020 EFLAGS: 00010286
[   58.247500][ T1018] RAX: 00000000ffffffa6 RBX: ff1100000ed95700 RCX: 1ff40000005aedca
[   58.247696][ T1018] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed957bc
[   58.247896][ T1018] RBP: ff1100000efbc000 R08: 1fe2200001db2af9 R09: ff11000012500b58
[   58.248090][ T1018] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   58.248283][ T1018] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.248474][ T1018] FS:  00007fcb9efdd840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   58.248703][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.248876][ T1018] CR2: 00000000004eba78 CR3: 0000000012574004 CR4: 0000000000771ef0
[   58.249072][ T1018] PKRU: 55555554
[   58.249169][ T1018] Call Trace:
[   58.249266][ T1018]  <TASK>
[   58.249332][ T1018]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.249463][ T1018]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.249564][ T1018]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.249692][ T1018]  __dev_notify_flags (net/core/dev.c:9787)
[   58.249827][ T1018]  ? netif_change_name (net/core/dev.c:1495)
[   58.250018][ T1018]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.250148][ T1018]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.250275][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.250404][ T1018]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   58.250538][ T1018]  netif_change_flags (net/core/dev.c:9820)
[   58.250668][ T1018]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.250797][ T1018]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.251006][ T1018]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.251136][ T1018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.251299][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.251427][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.251557][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.251685][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.251817][ T1018]  ? __kernel_text_address (kernel/extable.c:79)
[   58.252012][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.252142][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.252271][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.252398][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.252529][ T1018]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.252657][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.252783][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.253003][ T1018]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.253132][ T1018]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.253260][ T1018]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.253390][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.253521][ T1018]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.253648][ T1018]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.253779][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.253988][ T1018]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.254118][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.254244][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.254372][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.254501][ T1018]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.254632][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.254762][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.254981][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.255108][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.255237][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.255365][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.255494][ T1018]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.255626][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.255753][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.255963][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.256092][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.256219][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.256348][ T1018]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.256476][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.256609][ T1018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.256740][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.256883][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.257014][ T1018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.257143][ T1018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.257271][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.257401][ T1018]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.257536][ T1018]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.257665][ T1018]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.257794][ T1018]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.257935][ T1018]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.258064][ T1018]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.258223][ T1018]  ? move_addr_to_kernel (net/socket.c:258)
[   58.258352][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.258480][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.258613][ T1018]  ___sys_sendmsg (net/socket.c:2752)
[   58.258741][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.258912][ T1018]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.259053][ T1018]  __sys_sendmsg (net/socket.c:2784)
[   58.259181][ T1018]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.259308][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.259471][ T1018]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.259603][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.259732][ T1018]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.259873][ T1018]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.260003][ T1018]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.260132][ T1018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.260290][ T1018] RIP: 0033:0x7fcb9f21708e
[   58.260423][ T1018] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.260889][ T1018] RSP: 002b:00007ffefe719f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.261082][ T1018] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcb9f21708e
[   58.261272][ T1018] RDX: 0000000000000000 RSI: 00007ffefe71a010 RDI: 0000000000000005
[   58.261464][ T1018] RBP: 00007ffefe719f70 R08: 0000000000000000 R09: 0000000000000000
[   58.261664][ T1018] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.261871][ T1018] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefe71a6e0
| [   58.264644][ T1018] ------------[ cut here ]------------
| [   58.264780][ T1018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1018
| [   58.265449][ T1018] Modules linked in:
| [   58.265819][ T1018] Tainted: [W]=WARN
[   58.266002][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.266168][ T1018] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.266335][ T1018] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.266808][ T1018] RSP: 0018:ffa0000002d76ee0 EFLAGS: 00010286
[   58.267060][ T1018] RAX: 00000000ffffffa6 RBX: ff1100000ed95a80 RCX: 1ff40000005aeda2
[   58.267263][ T1018] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed95b3c
[   58.267460][ T1018] RBP: ff1100000efbc000 R08: 1fe2200001db2b69 R09: ff11000012500b58
[   58.267729][ T1018] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   58.267988][ T1018] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   58.268186][ T1018] FS:  00007fcb9efdd840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   58.268414][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.268581][ T1018] CR2: 00000000004eba78 CR3: 0000000012574004 CR4: 0000000000771ef0
[   58.268776][ T1018] PKRU: 55555554
[   58.268884][ T1018] Call Trace:
[   58.268986][ T1018]  <TASK>
[   58.269053][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.269184][ T1018]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.269316][ T1018]  notifier_call_chain (kernel/notifier.c:85)
[   58.269448][ T1018]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   58.269582][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.269713][ T1018]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.269851][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.269993][ T1018]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   58.270125][ T1018]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   58.270257][ T1018]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.270388][ T1018]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   58.270520][ T1018]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   58.270653][ T1018]  br_add_if (net/bridge/br_if.c:619)
[   58.270757][ T1018]  do_set_master (net/core/rtnetlink.c:3011)
[   58.270899][ T1018]  ? netif_change_flags (net/core/dev.c:9820)
[   58.271032][ T1018]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.271166][ T1018]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.271299][ T1018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.271462][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.271596][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.271728][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.271864][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.272012][ T1018]  ? __kernel_text_address (kernel/extable.c:79)
[   58.272147][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.272279][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.272410][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.272546][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.272680][ T1018]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.272815][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.272952][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.273083][ T1018]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.273214][ T1018]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.273343][ T1018]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.273473][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.273609][ T1018]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.273742][ T1018]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.273886][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.274021][ T1018]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.274155][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.274285][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.274417][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.274551][ T1018]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.274681][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.274820][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.274957][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.275088][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.275219][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.275351][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.275482][ T1018]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.275616][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.275748][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.275889][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.276022][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.276153][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.276285][ T1018]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.276416][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.276552][ T1018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.276687][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.276824][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.276964][ T1018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.277097][ T1018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.277229][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.277361][ T1018]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.277494][ T1018]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.277629][ T1018]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.277764][ T1018]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.277909][ T1018]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.278040][ T1018]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.278202][ T1018]  ? move_addr_to_kernel (net/socket.c:258)
[   58.278335][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.278467][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.278603][ T1018]  ___sys_sendmsg (net/socket.c:2752)
[   58.278733][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.278907][ T1018]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.279051][ T1018]  __sys_sendmsg (net/socket.c:2784)
[   58.279182][ T1018]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.279313][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.279478][ T1018]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.279612][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.279744][ T1018]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.279884][ T1018]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.280015][ T1018]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.280146][ T1018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.280308][ T1018] RIP: 0033:0x7fcb9f21708e
[   58.280443][ T1018] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.280925][ T1018] RSP: 002b:00007ffefe719f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.281123][ T1018] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcb9f21708e
[   58.281320][ T1018] RDX: 0000000000000000 RSI: 00007ffefe71a010 RDI: 0000000000000005
[   58.281519][ T1018] RBP: 00007ffefe719f70 R08: 0000000000000000 R09: 0000000000000000
[   58.281717][ T1018] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.281924][ T1018] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefe71a6e0
| [   58.283657][ T1018] ------------[ cut here ]------------
| [   58.283792][ T1018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1018
| [   58.284617][ T1018] Modules linked in:
| [   58.285072][ T1018] Tainted: [W]=WARN
[   58.285176][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.285347][ T1018] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.285525][ T1018] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.286081][ T1018] RSP: 0018:ffa0000002d76ea0 EFLAGS: 00010286
[   58.286311][ T1018] RAX: 00000000ffffffa6 RBX: ff1100000ed95c40 RCX: 1ff40000005aed9a
[   58.286518][ T1018] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed95cfc
[   58.286723][ T1018] RBP: ff1100000efbc000 R08: 1fe2200001db2ba1 R09: ff11000012500b58
[   58.286995][ T1018] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   58.287199][ T1018] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001025adc0
[   58.287403][ T1018] FS:  00007fcb9efdd840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.287643][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.287818][ T1018] CR2: 00007f51238cb574 CR3: 0000000012574003 CR4: 0000000000771ef0
[   58.288088][ T1018] PKRU: 55555554
[   58.288190][ T1018] Call Trace:
[   58.288292][ T1018]  <TASK>
[   58.288363][ T1018]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.288501][ T1018]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.288609][ T1018]  __dev_notify_flags (net/core/dev.c:9787)
[   58.288746][ T1018]  ? netdev_notice (net/core/dev.c:13008)
[   58.288951][ T1018]  ? netif_change_name (net/core/dev.c:1495)
[   58.289090][ T1018]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   58.289261][ T1018]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.289400][ T1018]  __dev_set_promiscuity (net/core/dev.c:9630)
[   58.289541][ T1018]  netif_set_promiscuity (net/core/dev.c:9639)
[   58.289679][ T1018]  dev_set_promiscuity (net/core/dev_api.c:288)
[   58.289824][ T1018]  br_port_set_promisc (net/bridge/br_if.c:108)
[   58.290023][ T1018]  br_manage_promisc (net/bridge/br_if.c:174)
[   58.290161][ T1018]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.290298][ T1018]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   58.290405][ T1018]  do_set_master (net/core/rtnetlink.c:3011)
[   58.290545][ T1018]  ? netif_change_flags (net/core/dev.c:9820)
[   58.290683][ T1018]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.290829][ T1018]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.291028][ T1018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.291200][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.291336][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.291472][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.291612][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.291749][ T1018]  ? __kernel_text_address (kernel/extable.c:79)
[   58.291952][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.292092][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.292230][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.292368][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.292505][ T1018]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.292644][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.292781][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.292985][ T1018]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.293123][ T1018]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.293260][ T1018]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.293397][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.293538][ T1018]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.293675][ T1018]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.293820][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.293979][ T1018]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.294117][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.294253][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.294391][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.294531][ T1018]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.294668][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.294812][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.294954][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.295091][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.295229][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.295370][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.295511][ T1018]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.295647][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.295784][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.295932][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.296071][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.296208][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.296346][ T1018]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.296484][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.296622][ T1018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.296762][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.296911][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.297052][ T1018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.297190][ T1018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.297329][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.297467][ T1018]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.297612][ T1018]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.297750][ T1018]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.297898][ T1018]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.298036][ T1018]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.298172][ T1018]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.298342][ T1018]  ? move_addr_to_kernel (net/socket.c:258)
[   58.298480][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.298620][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.298758][ T1018]  ___sys_sendmsg (net/socket.c:2752)
[   58.298905][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.299074][ T1018]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.299222][ T1018]  __sys_sendmsg (net/socket.c:2784)
[   58.299360][ T1018]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.299496][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.299674][ T1018]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.299814][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.299958][ T1018]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.300094][ T1018]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.300229][ T1018]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.300365][ T1018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.300537][ T1018] RIP: 0033:0x7fcb9f21708e
[   58.300679][ T1018] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.301176][ T1018] RSP: 002b:00007ffefe719f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.301382][ T1018] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcb9f21708e
[   58.301588][ T1018] RDX: 0000000000000000 RSI: 00007ffefe71a010 RDI: 0000000000000005
[   58.301791][ T1018] RBP: 00007ffefe719f70 R08: 0000000000000000 R09: 0000000000000000
[   58.302006][ T1018] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.302210][ T1018] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefe71a6e0
| [   58.304138][ T1018] ------------[ cut here ]------------
| [   58.304266][ T1018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1018
| [   58.304519][ T1018] Modules linked in:
| [   58.304943][ T1018] Tainted: [W]=WARN
[   58.305041][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.305202][ T1018] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.305369][ T1018] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.305898][ T1018] RSP: 0018:ffa0000002d76f78 EFLAGS: 00010286
[   58.306061][ T1018] RAX: 00000000ffffffa6 RBX: ff1100000c12b8c0 RCX: 1ff40000005aedb5
[   58.306253][ T1018] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c12b97c
[   58.306447][ T1018] RBP: ff1100001025a000 R08: 1fe2200001825731 R09: ff11000012500b58
[   58.306643][ T1018] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.306838][ T1018] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   58.307094][ T1018] FS:  00007fcb9efdd840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.307319][ T1018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.307481][ T1018] CR2: 00007f51238cb574 CR3: 0000000012574003 CR4: 0000000000771ef0
[   58.307677][ T1018] PKRU: 55555554
[   58.307773][ T1018] Call Trace:
[   58.307930][ T1018]  <TASK>
[   58.307999][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.308133][ T1018]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.308267][ T1018]  notifier_call_chain (kernel/notifier.c:85)
[   58.308406][ T1018]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   58.308578][ T1018]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[   58.308745][ T1018]  ? netdev_change_features (net/core/dev.c:11117)
[   58.308941][ T1018]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   58.309081][ T1018]  br_add_if (net/bridge/br_if.c:683)
[   58.309187][ T1018]  do_set_master (net/core/rtnetlink.c:3011)
[   58.309320][ T1018]  ? netif_change_flags (net/core/dev.c:9820)
[   58.309458][ T1018]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.309598][ T1018]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.309732][ T1018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.309956][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.310086][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.310216][ T1018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.310345][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.310476][ T1018]  ? __kernel_text_address (kernel/extable.c:79)
[   58.310609][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.310740][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.310930][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.311062][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.311192][ T1018]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.311320][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.311450][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.311581][ T1018]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.311711][ T1018]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.311846][ T1018]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.312030][ T1018]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.312160][ T1018]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.312289][ T1018]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.312421][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.312556][ T1018]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.312688][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.312821][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.313006][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.313137][ T1018]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.313265][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.313396][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.313529][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.313657][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.313785][ T1018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.313977][ T1018]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.314107][ T1018]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.314235][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.314363][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.314490][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.314626][ T1018]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.314754][ T1018]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.314946][ T1018]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.315076][ T1018]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.315204][ T1018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.315337][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.315465][ T1018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.315600][ T1018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.315732][ T1018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.315924][ T1018]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.316054][ T1018]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.316182][ T1018]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.316313][ T1018]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.316443][ T1018]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.316575][ T1018]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.316707][ T1018]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.316927][ T1018]  ? move_addr_to_kernel (net/socket.c:258)
[   58.317057][ T1018]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.317186][ T1018]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.317316][ T1018]  ___sys_sendmsg (net/socket.c:2752)
[   58.317445][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.317610][ T1018]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.317753][ T1018]  __sys_sendmsg (net/socket.c:2784)
[   58.317945][ T1018]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.318074][ T1018]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.318235][ T1018]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.318364][ T1018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.318495][ T1018]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.318628][ T1018]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.318757][ T1018]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.318950][ T1018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.319109][ T1018] RIP: 0033:0x7fcb9f21708e
[   58.319243][ T1018] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.319708][ T1018] RSP: 002b:00007ffefe719f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.319964][ T1018] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcb9f21708e
[   58.320162][ T1018] RDX: 0000000000000000 RSI: 00007ffefe71a010 RDI: 0000000000000005
[   58.320363][ T1018] RBP: 00007ffefe719f70 R08: 0000000000000000 R09: 0000000000000000
[   58.320565][ T1018] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.320768][ T1018] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefe71a6e0
| [   58.330057][   T36] ------------[ cut here ]------------
| [   58.330180][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   58.330421][   T36] Modules linked in:
| [   58.330808][   T36] Tainted: [W]=WARN
[   58.330908][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.331061][   T36] Workqueue: events_unbound linkwatch_event
[   58.331217][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.331375][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.331818][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   58.331979][   T36] RAX: 00000000ffffffa6 RBX: ff11000008dc7380 RCX: 1ff4000000051f02
[   58.332163][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc743c
[   58.332345][   T36] RBP: ff1100000efbc000 R08: 1fe22000011b8e89 R09: ff11000001d751a8
[   58.332529][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.332710][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.332906][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.333117][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.333270][   T36] CR2: 00007f51238cb574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   58.333453][   T36] PKRU: 55555554
[   58.333546][   T36] Call Trace:
[   58.333637][   T36]  <TASK>
[   58.333702][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.333829][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.333958][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.334051][   T36]  netif_state_change (net/core/dev.c:1605)
[   58.334173][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.334326][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.334447][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.334574][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.334699][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.334827][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.334955][   T36]  process_one_work (kernel/workqueue.c:3314)
[   58.335080][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.335201][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.335326][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.335453][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.335578][   T36]  kthread (kernel/kthread.c:436)
[   58.335667][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.335817][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.335939][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.336058][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.336205][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.336324][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.336442][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.338117][   T36] ------------[ cut here ]------------
| [   58.338239][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   58.338478][   T36] Modules linked in:
| [   58.338853][   T36] Tainted: [W]=WARN
[   58.338950][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.339103][   T36] Workqueue: events_unbound linkwatch_event
[   58.339259][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.339411][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.339834][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   58.340000][   T36] RAX: 00000000ffffffa6 RBX: ff11000008dc6200 RCX: 1ff4000000051f02
[   58.340174][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc62bc
[   58.340352][   T36] RBP: ff1100000ff41000 R08: 1fe22000011b8c59 R09: ff11000001d751a8
[   58.340531][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.340707][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.340892][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.341096][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.341242][   T36] CR2: 00007f51238cb574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   58.341417][   T36] PKRU: 55555554
[   58.341510][   T36] Call Trace:
[   58.341597][   T36]  <TASK>
[   58.341658][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.341774][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.341900][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.341991][   T36]  netif_state_change (net/core/dev.c:1605)
[   58.342113][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.342260][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.342377][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.342494][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.342621][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.342737][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.342860][   T36]  process_one_work (kernel/workqueue.c:3314)
[   58.342990][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.343113][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.343240][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.343366][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.343488][   T36]  kthread (kernel/kthread.c:436)
[   58.343580][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.343731][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.343860][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.343987][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.344140][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.344261][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.344383][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.427165][ T1021] ------------[ cut here ]------------
| [   58.427325][ T1021] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1021
| [   58.427593][ T1021] Modules linked in:
| [   58.427976][ T1021] Tainted: [W]=WARN
[   58.428075][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.428241][ T1021] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.428411][ T1021] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.428951][ T1021] RSP: 0018:ffa0000002da71b0 EFLAGS: 00010286
[   58.429118][ T1021] RAX: 00000000ffffffa6 RBX: ff11000010a90ac0 RCX: 1ff40000005b4dfc
[   58.429313][ T1021] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a90b7c
[   58.429512][ T1021] RBP: ff1100001006a000 R08: 1fe2200002152171 R09: ff1100000ffdd180
[   58.429709][ T1021] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.429966][ T1021] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[   58.430231][ T1021] FS:  00007f37af8ef840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   58.430460][ T1021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.430628][ T1021] CR2: 00000000004a04a0 CR3: 000000000998a005 CR4: 0000000000771ef0
[   58.430832][ T1021] PKRU: 55555554
[   58.431019][ T1021] Call Trace:
[   58.431117][ T1021]  <TASK>
[   58.431185][ T1021]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.431319][ T1021]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.431420][ T1021]  __dev_notify_flags (net/core/dev.c:9787)
[   58.431553][ T1021]  ? netif_change_name (net/core/dev.c:1495)
[   58.431687][ T1021]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   58.431855][ T1021]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   58.432067][ T1021]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   58.432198][ T1021]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   58.432331][ T1021]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   58.432464][ T1021]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   58.432599][ T1021]  ? __dev_get_by_name (net/core/dev.c:883)
[   58.432730][ T1021]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   58.432952][ T1021]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   58.433088][ T1021]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.433221][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.433353][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.433484][ T1021]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.433615][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.433746][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.433973][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.434106][ T1021]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.434237][ T1021]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.434367][ T1021]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.434498][ T1021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.434632][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.434764][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.434987][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.435121][ T1021]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.435251][ T1021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.435382][ T1021]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.435521][ T1021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.435652][ T1021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.435785][ T1021]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.435995][ T1021]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.436128][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.436259][ T1021]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.436391][ T1021]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.436524][ T1021]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.436657][ T1021]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.436788][ T1021]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.436994][ T1021]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.437156][ T1021]  ? move_addr_to_kernel (net/socket.c:258)
[   58.437289][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.437420][ T1021]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   58.437553][ T1021]  ___sys_sendmsg (net/socket.c:2752)
[   58.437684][ T1021]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[   58.437818][ T1021]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.437976][ T1021]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   58.438112][ T1021]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   58.438247][ T1021]  __sys_sendmsg (net/socket.c:2784)
[   58.438378][ T1021]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.438516][ T1021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.438647][ T1021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.438779][ T1021]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.438918][ T1021]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.439048][ T1021]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.439179][ T1021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.439343][ T1021] RIP: 0033:0x7f37afb2908e
[   58.439479][ T1021] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.439960][ T1021] RSP: 002b:00007ffc94718fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.440159][ T1021] RAX: ffffffffffffffda RBX: 00007ffc94719748 RCX: 00007f37afb2908e
[   58.440354][ T1021] RDX: 0000000000000000 RSI: 00007ffc94719050 RDI: 0000000000000005
[   58.440552][ T1021] RBP: 00007ffc94718fb0 R08: 0000000000000000 R09: 0000000000000000
[   58.440747][ T1021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.440954][ T1021] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc94719720
| [   58.471806][ T1022] ------------[ cut here ]------------
| [   58.471978][ T1022] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1022
| [   58.472239][ T1022] Modules linked in:
| [   58.472616][ T1022] Tainted: [W]=WARN
[   58.472718][ T1022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.473591][ T1022] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.473786][ T1022] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.474472][ T1022] RSP: 0018:ffa0000002fe7020 EFLAGS: 00010286
[   58.474647][ T1022] RAX: 00000000ffffffa6 RBX: ff1100000ca8c580 RCX: 1ff40000005fcdca
[   58.474851][ T1022] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8c63c
[   58.475055][ T1022] RBP: ff1100001006a000 R08: 1fe22000019518c9 R09: ff1100000ffd8b58
[   58.475254][ T1022] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   58.475454][ T1022] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.475654][ T1022] FS:  00007f42e45ff840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   58.475896][ T1022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.476063][ T1022] CR2: 0000000002043988 CR3: 00000000092ac001 CR4: 0000000000771ef0
[   58.476264][ T1022] PKRU: 55555554
[   58.476363][ T1022] Call Trace:
[   58.476462][ T1022]  <TASK>
[   58.476535][ T1022]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.476670][ T1022]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.476771][ T1022]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.476913][ T1022]  __dev_notify_flags (net/core/dev.c:9787)
[   58.477047][ T1022]  ? netif_change_name (net/core/dev.c:1495)
[   58.477180][ T1022]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.477315][ T1022]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.477447][ T1022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.477583][ T1022]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   58.477716][ T1022]  netif_change_flags (net/core/dev.c:9820)
[   58.477852][ T1022]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.477991][ T1022]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.478128][ T1022]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.478261][ T1022]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.478423][ T1022]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.478557][ T1022]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.478688][ T1022]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.478823][ T1022]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.478961][ T1022]  ? __kernel_text_address (kernel/extable.c:79)
[   58.479094][ T1022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.479228][ T1022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.479359][ T1022]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.479491][ T1022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.479628][ T1022]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.479758][ T1022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.479899][ T1022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.480031][ T1022]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.480166][ T1022]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.480298][ T1022]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.480430][ T1022]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.480566][ T1022]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.480701][ T1022]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.480840][ T1022]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.480978][ T1022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.481112][ T1022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.481245][ T1022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.481376][ T1022]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.481510][ T1022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.481645][ T1022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.481776][ T1022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.481916][ T1022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.482048][ T1022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.482183][ T1022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.482317][ T1022]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.482449][ T1022]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.482583][ T1022]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.482714][ T1022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.482853][ T1022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.482990][ T1022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.483123][ T1022]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.483252][ T1022]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.483380][ T1022]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.483515][ T1022]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.483642][ T1022]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.483773][ T1022]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.483914][ T1022]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.484050][ T1022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.484184][ T1022]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.484317][ T1022]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.484450][ T1022]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.484586][ T1022]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.484718][ T1022]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.484852][ T1022]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.485017][ T1022]  ? move_addr_to_kernel (net/socket.c:258)
[   58.485147][ T1022]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.485276][ T1022]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.485404][ T1022]  ___sys_sendmsg (net/socket.c:2752)
[   58.485535][ T1022]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.485694][ T1022]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.485838][ T1022]  __sys_sendmsg (net/socket.c:2784)
[   58.485972][ T1022]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.486099][ T1022]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.486263][ T1022]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.486391][ T1022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.486521][ T1022]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.486649][ T1022]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.486776][ T1022]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.486913][ T1022]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.487071][ T1022] RIP: 0033:0x7f42e483908e
[   58.487206][ T1022] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.487666][ T1022] RSP: 002b:00007ffc0ba53db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.487870][ T1022] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f42e483908e
[   58.488063][ T1022] RDX: 0000000000000000 RSI: 00007ffc0ba53e60 RDI: 0000000000000005
[   58.488255][ T1022] RBP: 00007ffc0ba53dc0 R08: 0000000000000000 R09: 0000000000000000
[   58.488446][ T1022] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.488640][ T1022] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0ba54530
| [   58.578647][ T1026] ------------[ cut here ]------------
| [   58.578820][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1026
| [   58.579348][ T1026] Modules linked in:
| [   58.579729][ T1026] Tainted: [W]=WARN
[   58.579837][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.580105][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.580278][ T1026] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.580755][ T1026] RSP: 0018:ffa0000003007020 EFLAGS: 00010286
[   58.581007][ T1026] RAX: 00000000ffffffa6 RBX: ff1100000c04a040 RCX: 1ff4000000600dca
[   58.581206][ T1026] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a0fc
[   58.581404][ T1026] RBP: ff11000008e64000 R08: 1fe2200001809421 R09: ff1100000ec3d158
[   58.581672][ T1026] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   58.581931][ T1026] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.582134][ T1026] FS:  00007fd003803840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   58.582365][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.582534][ T1026] CR2: 00000000004eba70 CR3: 000000000998a004 CR4: 0000000000771ef0
[   58.582736][ T1026] PKRU: 55555554
[   58.582841][ T1026] Call Trace:
[   58.583006][ T1026]  <TASK>
[   58.583075][ T1026]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.583210][ T1026]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.583312][ T1026]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.583443][ T1026]  __dev_notify_flags (net/core/dev.c:9787)
[   58.583583][ T1026]  ? netif_change_name (net/core/dev.c:1495)
[   58.583718][ T1026]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.583856][ T1026]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.583994][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.584127][ T1026]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   58.584261][ T1026]  netif_change_flags (net/core/dev.c:9820)
[   58.584395][ T1026]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.584533][ T1026]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.584668][ T1026]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.584808][ T1026]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.584978][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.585111][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.585245][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.585377][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.585517][ T1026]  ? __kernel_text_address (kernel/extable.c:79)
[   58.585650][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.585786][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.585928][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.586063][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.586197][ T1026]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.586330][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.586464][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.586601][ T1026]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.586736][ T1026]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.586880][ T1026]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.587015][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.587149][ T1026]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.587282][ T1026]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.587419][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.587559][ T1026]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.587695][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.587836][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.587976][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.588109][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.588241][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.588376][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.588514][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.588648][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.588781][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.588926][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.589060][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.589195][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.589329][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.589462][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.589603][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.589736][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.589882][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.590016][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.590150][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.590288][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.590421][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.590557][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.590694][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.590834][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.590974][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.591110][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.591245][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.591380][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.591518][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.591654][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.591824][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   58.591964][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.592097][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.592232][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   58.592365][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.592536][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.592684][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   58.592821][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.592961][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.593130][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.593264][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.593398][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.593534][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.593667][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.593806][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.593979][ T1026] RIP: 0033:0x7fd003a3d08e
[   58.594119][ T1026] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.594599][ T1026] RSP: 002b:00007ffda04e52c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.594809][ T1026] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd003a3d08e
[   58.595013][ T1026] RDX: 0000000000000000 RSI: 00007ffda04e5370 RDI: 0000000000000005
[   58.595213][ T1026] RBP: 00007ffda04e52d0 R08: 0000000000000000 R09: 0000000000000000
[   58.595412][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.595616][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda04e5a40
| [   58.598527][ T1026] ------------[ cut here ]------------
| [   58.598664][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1026
| [   58.599052][ T1026] Modules linked in:
| [   58.599420][ T1026] Tainted: [W]=WARN
[   58.599521][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.599684][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.599859][ T1026] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.600337][ T1026] RSP: 0018:ffa0000003006ee0 EFLAGS: 00010286
[   58.600502][ T1026] RAX: 00000000ffffffa6 RBX: ff1100000c04b540 RCX: 1ff4000000600da2
[   58.600702][ T1026] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b5fc
[   58.600907][ T1026] RBP: ff11000008e64000 R08: 1fe22000018096c1 R09: ff1100000ec3d158
[   58.601112][ T1026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.601316][ T1026] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.601519][ T1026] FS:  00007fd003803840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.601748][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.601925][ T1026] CR2: 00007f51238cb574 CR3: 000000000998a004 CR4: 0000000000771ef0
[   58.602123][ T1026] PKRU: 55555554
[   58.602220][ T1026] Call Trace:
[   58.602317][ T1026]  <TASK>
[   58.602386][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.602520][ T1026]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.602651][ T1026]  notifier_call_chain (kernel/notifier.c:85)
[   58.602786][ T1026]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   58.602933][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.603064][ T1026]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.603195][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.603331][ T1026]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   58.603462][ T1026]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   58.603596][ T1026]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.603729][ T1026]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   58.603872][ T1026]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   58.604003][ T1026]  br_add_if (net/bridge/br_if.c:619)
[   58.604106][ T1026]  do_set_master (net/core/rtnetlink.c:3011)
[   58.604237][ T1026]  ? netif_change_flags (net/core/dev.c:9820)
[   58.604369][ T1026]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.604509][ T1026]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.604649][ T1026]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.604821][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.604963][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.605100][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.605235][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.605370][ T1026]  ? __kernel_text_address (kernel/extable.c:79)
[   58.605508][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.605649][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.605783][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.605931][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.606066][ T1026]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.606199][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.606334][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.606469][ T1026]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.606608][ T1026]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.606744][ T1026]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.606890][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.607027][ T1026]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.607162][ T1026]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.607300][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.607437][ T1026]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.607577][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.607713][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.607852][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.607992][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.608127][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.608265][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.608399][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.608627][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.608762][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.608911][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.609047][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.609267][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.609402][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.609540][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.609676][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.609907][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.610045][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.610182][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.610318][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.610547][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.610681][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.610823][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.611052][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.611189][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.611327][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.611463][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.611604][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.611834][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.611976][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.612110][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.612364][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   58.612502][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.612640][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.612772][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   58.612913][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.613075][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.613219][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   58.613349][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.613570][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.613737][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.613879][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.614015][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.614152][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.614290][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.614425][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.614596][ T1026] RIP: 0033:0x7fd003a3d08e
[   58.614739][ T1026] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.615234][ T1026] RSP: 002b:00007ffda04e52c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.615439][ T1026] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd003a3d08e
[   58.615647][ T1026] RDX: 0000000000000000 RSI: 00007ffda04e5370 RDI: 0000000000000005
[   58.615849][ T1026] RBP: 00007ffda04e52d0 R08: 0000000000000000 R09: 0000000000000000
[   58.616050][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.616246][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda04e5a40
| [   58.617908][ T1026] ------------[ cut here ]------------
| [   58.618041][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1026
| [   58.618310][ T1026] Modules linked in:
| [   58.618692][ T1026] Tainted: [W]=WARN
[   58.618796][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.618984][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.619167][ T1026] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.619657][ T1026] RSP: 0018:ffa0000003006ea0 EFLAGS: 00010286
[   58.619837][ T1026] RAX: 00000000ffffffa6 RBX: ff1100000c04b380 RCX: 1ff4000000600d9a
[   58.620045][ T1026] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b43c
[   58.620253][ T1026] RBP: ff11000008e64000 R08: 1fe2200001809689 R09: ff1100000ec3d158
[   58.620457][ T1026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   58.620666][ T1026] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001006adc0
[   58.620882][ T1026] FS:  00007fd003803840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.621125][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.621296][ T1026] CR2: 00007f51238cb574 CR3: 000000000998a004 CR4: 0000000000771ef0
[   58.621501][ T1026] PKRU: 55555554
[   58.621607][ T1026] Call Trace:
[   58.621710][ T1026]  <TASK>
[   58.621781][ T1026]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.621932][ T1026]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.622041][ T1026]  __dev_notify_flags (net/core/dev.c:9787)
[   58.622178][ T1026]  ? netdev_notice (net/core/dev.c:13008)
[   58.622316][ T1026]  ? netif_change_name (net/core/dev.c:1495)
[   58.622454][ T1026]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   58.622632][ T1026]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.622772][ T1026]  __dev_set_promiscuity (net/core/dev.c:9630)
[   58.622926][ T1026]  netif_set_promiscuity (net/core/dev.c:9639)
[   58.623069][ T1026]  dev_set_promiscuity (net/core/dev_api.c:288)
[   58.623211][ T1026]  br_port_set_promisc (net/bridge/br_if.c:108)
[   58.623352][ T1026]  br_manage_promisc (net/bridge/br_if.c:174)
[   58.623493][ T1026]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.623640][ T1026]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   58.623751][ T1026]  do_set_master (net/core/rtnetlink.c:3011)
[   58.623903][ T1026]  ? netif_change_flags (net/core/dev.c:9820)
[   58.624049][ T1026]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.624194][ T1026]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.624337][ T1026]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.624516][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.624658][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.624799][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.624951][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.625094][ T1026]  ? __kernel_text_address (kernel/extable.c:79)
[   58.625236][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.625380][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.625525][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.625669][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.625816][ T1026]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.625964][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.626107][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.626249][ T1026]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.626391][ T1026]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.626536][ T1026]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.626678][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.626828][ T1026]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.626975][ T1026]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.627120][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.627268][ T1026]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.627412][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.627555][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.627697][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.627843][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.627987][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.628132][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.628275][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.628418][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.628562][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.628705][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.628852][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.628999][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.629141][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.629283][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.629428][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.629573][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.629715][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.629862][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.630010][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.630156][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.630297][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.630443][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.630588][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.630731][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.630883][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.631027][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.631170][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.631313][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.631456][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.631603][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.631780][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   58.631933][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.632074][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.632218][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   58.632357][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.632536][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.632692][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   58.632840][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.632985][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.633163][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.633306][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.633449][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.633593][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.633737][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.634355][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.634535][ T1026] RIP: 0033:0x7fd003a3d08e
[   58.634677][ T1026] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.635177][ T1026] RSP: 002b:00007ffda04e52c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.635384][ T1026] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd003a3d08e
[   58.635589][ T1026] RDX: 0000000000000000 RSI: 00007ffda04e5370 RDI: 0000000000000005
[   58.635794][ T1026] RBP: 00007ffda04e52d0 R08: 0000000000000000 R09: 0000000000000000
[   58.636011][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.636311][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda04e5a40
| [   58.644118][ T1026] ------------[ cut here ]------------
| [   58.644255][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1026
| [   58.644516][ T1026] Modules linked in:
| [   58.644887][ T1026] Tainted: [W]=WARN
[   58.644987][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.645149][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.645318][ T1026] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.645779][ T1026] RSP: 0018:ffa0000003007000 EFLAGS: 00010286
[   58.645952][ T1026] RAX: 00000000ffffffa6 RBX: ff1100000c04a580 RCX: 1ff4000000600dc6
[   58.646151][ T1026] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a63c
[   58.646344][ T1026] RBP: ff1100001006a000 R08: 1fe22000018094c9 R09: ff1100000ec3d158
[   58.646540][ T1026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.646732][ T1026] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.646995][ T1026] FS:  00007fd003803840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.647222][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.647384][ T1026] CR2: 00007f51238cb574 CR3: 000000000998a004 CR4: 0000000000771ef0
[   58.647581][ T1026] PKRU: 55555554
[   58.647677][ T1026] Call Trace:
[   58.647773][ T1026]  <TASK>
[   58.647846][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.648030][ T1026]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.648160][ T1026]  notifier_call_chain (kernel/notifier.c:85)
[   58.648347][ T1026]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   58.648478][ T1026]  ? __dev_open (./include/net/netdev_lock.h:33)
[   58.648612][ T1026]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   58.648742][ T1026]  br_add_if (net/bridge/br_if.c:679)
[   58.648850][ T1026]  do_set_master (net/core/rtnetlink.c:3011)
[   58.649035][ T1026]  ? netif_change_flags (net/core/dev.c:9820)
[   58.649167][ T1026]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.649300][ T1026]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.649431][ T1026]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.649596][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.649725][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.649860][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.650047][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.650178][ T1026]  ? __kernel_text_address (kernel/extable.c:79)
[   58.650308][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.650439][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.650572][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.650702][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.650838][ T1026]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.651024][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.651155][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.651286][ T1026]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.651416][ T1026]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.651548][ T1026]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.651678][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.651818][ T1026]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.652004][ T1026]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.652136][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.652268][ T1026]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.652400][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.652532][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.652661][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.652790][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.652982][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.653115][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.653244][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.653373][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.653505][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.653639][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.653770][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.653962][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.654092][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.654221][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.654352][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.654480][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.654614][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.654746][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.654935][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.655071][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.655203][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.655335][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.655466][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.655600][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.655734][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.655927][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.656058][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.656189][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.656319][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.656449][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.656613][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   58.656749][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.656941][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.657074][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   58.657204][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.657369][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.657515][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   58.657646][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.657776][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.658000][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.658131][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.658262][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.658392][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.658524][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.658655][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.658822][ T1026] RIP: 0033:0x7fd003a3d08e
[   58.659021][ T1026] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.659483][ T1026] RSP: 002b:00007ffda04e52c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.659681][ T1026] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd003a3d08e
[   58.659935][ T1026] RDX: 0000000000000000 RSI: 00007ffda04e5370 RDI: 0000000000000005
[   58.660128][ T1026] RBP: 00007ffda04e52d0 R08: 0000000000000000 R09: 0000000000000000
[   58.660321][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.660518][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda04e5a40
| [   58.662328][ T1026] ------------[ cut here ]------------
| [   58.662505][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1026
| [   58.662821][ T1026] Modules linked in:
| [   58.663293][ T1026] Tainted: [W]=WARN
[   58.663437][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.663656][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.663894][ T1026] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.664399][ T1026] RSP: 0018:ffa0000003006f78 EFLAGS: 00010286
[   58.664617][ T1026] RAX: 00000000ffffffa6 RBX: ff1100000fe91540 RCX: 1ff4000000600db5
[   58.664883][ T1026] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe915fc
[   58.665122][ T1026] RBP: ff1100001006a000 R08: 1fe2200001fd22c1 R09: ff1100000ec3d158
[   58.665360][ T1026] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.665607][ T1026] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[   58.665860][ T1026] FS:  00007fd003803840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.666155][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.666363][ T1026] CR2: 000055dfdb5e2d5c CR3: 000000000998a001 CR4: 0000000000771ef0
[   58.666612][ T1026] PKRU: 55555554
[   58.666755][ T1026] Call Trace:
[   58.666922][ T1026]  <TASK>
[   58.667040][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.667216][ T1026]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.667394][ T1026]  notifier_call_chain (kernel/notifier.c:85)
[   58.667583][ T1026]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   58.667796][ T1026]  ? netdev_change_features (net/core/dev.c:11117)
[   58.668008][ T1026]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   58.668188][ T1026]  br_add_if (net/bridge/br_if.c:683)
[   58.668342][ T1026]  do_set_master (net/core/rtnetlink.c:3011)
[   58.668521][ T1026]  ? netif_change_flags (net/core/dev.c:9820)
[   58.668702][ T1026]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.668901][ T1026]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.669079][ T1026]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.669288][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.669465][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.669653][ T1026]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.669836][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.670028][ T1026]  ? __kernel_text_address (kernel/extable.c:79)
[   58.670205][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.670383][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.670568][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.670746][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.670949][ T1026]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.671126][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.671303][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.671480][ T1026]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.671662][ T1026]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.671848][ T1026]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.672041][ T1026]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.672221][ T1026]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.672402][ T1026]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.672591][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.672772][ T1026]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.672973][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.673149][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.673327][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.673503][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.673686][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.673891][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.674067][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.674244][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.674421][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.674605][ T1026]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.674782][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.674982][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.675161][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.675339][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.675522][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.675700][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.675896][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.676073][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.676251][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.676430][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.676617][ T1026]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.676795][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.676995][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.677171][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.677350][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.677533][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.677711][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.677912][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.678098][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.678275][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.678480][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   58.678662][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.678848][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.679040][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   58.679221][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.679431][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.679630][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   58.679815][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.680005][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.680214][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.680391][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.680577][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.680755][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.680952][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.681132][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.681338][ T1026] RIP: 0033:0x7fd003a3d08e
[   58.681520][ T1026] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.682049][ T1026] RSP: 002b:00007ffda04e52c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.682289][ T1026] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd003a3d08e
[   58.682531][ T1026] RDX: 0000000000000000 RSI: 00007ffda04e5370 RDI: 0000000000000005
[   58.682771][ T1026] RBP: 00007ffda04e52d0 R08: 0000000000000000 R09: 0000000000000000
[   58.683032][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.683272][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda04e5a40
| [   58.685641][   T36] ------------[ cut here ]------------
| [   58.685800][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   58.686104][   T36] Modules linked in:
| [   58.686562][   T36] Tainted: [W]=WARN
[   58.686697][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.686913][   T36] Workqueue: events_unbound linkwatch_event
[   58.687111][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.687308][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.687788][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   58.688018][   T36] RAX: 00000000ffffffa6 RBX: ff1100000fe91c40 RCX: 1ff4000000051f02
[   58.688238][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe91cfc
[   58.688459][   T36] RBP: ff11000009b19000 R08: 1fe2200001fd23a1 R09: ff11000001d751a8
[   58.688689][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.688935][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.689159][   T36] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.689410][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.689616][   T36] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   58.689846][   T36] PKRU: 55555554
[   58.689995][   T36] Call Trace:
[   58.690130][   T36]  <TASK>
[   58.690237][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.690402][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.690575][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.690713][   T36]  netif_state_change (net/core/dev.c:1605)
[   58.690904][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.691100][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.691264][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.691429][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.691603][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.691767][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.691950][   T36]  process_one_work (kernel/workqueue.c:3314)
[   58.692121][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.692285][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.692453][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.692628][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.692793][   T36]  kthread (kernel/kthread.c:436)
[   58.692948][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.693141][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.693308][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.693477][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.693675][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.693847][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.694026][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.731767][ T1027] ------------[ cut here ]------------
| [   58.731939][ T1027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1027
| [   58.732203][ T1027] Modules linked in:
| [   58.732576][ T1027] Tainted: [W]=WARN
[   58.732676][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.732849][ T1027] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.733027][ T1027] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.733494][ T1027] RSP: 0018:ffa0000003017150 EFLAGS: 00010286
[   58.733667][ T1027] RAX: 00000000ffffffa6 RBX: ff110000109b98c0 RCX: 1ff4000000602df0
[   58.733875][ T1027] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b997c
[   58.734073][ T1027] RBP: ff1100001006a000 R08: 1fe2200002137331 R09: ff11000012565158
[   58.734269][ T1027] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   58.734464][ T1027] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3591c0
[   58.734667][ T1027] FS:  00007f334290f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   58.734907][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.735072][ T1027] CR2: 00000000004ec908 CR3: 000000000ffaf004 CR4: 0000000000771ef0
[   58.735270][ T1027] PKRU: 55555554
[   58.735367][ T1027] Call Trace:
[   58.735465][ T1027]  <TASK>
[   58.735537][ T1027]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.735670][ T1027]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.735806][ T1027]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.735913][ T1027]  netif_state_change (net/core/dev.c:1605)
[   58.736044][ T1027]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   58.736177][ T1027]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.736340][ T1027]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[   58.736472][ T1027]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   58.736642][ T1027]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   58.736774][ T1027]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   58.736914][ T1027]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   58.737048][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.737179][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.737310][ T1027]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   58.737441][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.737576][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.737701][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.737850][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.737984][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.738111][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.738237][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.738364][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.738496][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.738628][ T1027]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   58.738755][ T1027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.738956][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.739084][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.739210][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.739340][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.739467][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.739600][ T1027]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.739727][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.739863][ T1027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.740061][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.740188][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.740319][ T1027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.740448][ T1027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.740582][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.740712][ T1027]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.740849][ T1027]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.740983][ T1027]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.741117][ T1027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.741244][ T1027]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.741373][ T1027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.741534][ T1027]  ? move_addr_to_kernel (net/socket.c:258)
[   58.741663][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.741793][ T1027]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.741965][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.742096][ T1027]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.742261][ T1027]  ___sys_sendmsg (net/socket.c:2752)
[   58.742394][ T1027]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.742532][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.742672][ T1027]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   58.742807][ T1027]  ? do_getsockname (net/socket.c:2192)
[   58.742945][ T1027]  __sys_sendmsg (net/socket.c:2784)
[   58.743073][ T1027]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.743204][ T1027]  ? __sys_getsockname (net/socket.c:2210)
[   58.743332][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.743460][ T1027]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.743594][ T1027]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.743721][ T1027]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.743855][ T1027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.744018][ T1027] RIP: 0033:0x7f3342b4908e
[   58.744151][ T1027] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.744611][ T1027] RSP: 002b:00007fff22141690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.744809][ T1027] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3342b4908e
[   58.745004][ T1027] RDX: 0000000000000000 RSI: 00007fff22141740 RDI: 0000000000000006
[   58.745195][ T1027] RBP: 00007fff221416a0 R08: 0000000000000000 R09: 0000000000000000
[   58.745387][ T1027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.745582][ T1027] R13: 00007fff221417f0 R14: 00007fff22143438 R15: 00000000fffffff5
| [   58.747925][ T1027] ------------[ cut here ]------------
| [   58.748055][ T1027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1027
| [   58.748308][ T1027] Modules linked in:
| [   58.748671][ T1027] Tainted: [W]=WARN
[   58.748769][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.749152][ T1027] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.749321][ T1027] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.749782][ T1027] RSP: 0018:ffa0000003017020 EFLAGS: 00010286
[   58.750006][ T1027] RAX: 00000000ffffffa6 RBX: ff1100000caa18c0 RCX: 1ff4000000602dca
[   58.750199][ T1027] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa197c
[   58.750391][ T1027] RBP: ff1100000a874000 R08: 1fe2200001954331 R09: ff11000012565158
[   58.750584][ T1027] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   58.750777][ T1027] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.751030][ T1027] FS:  00007f334290f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   58.751321][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.751483][ T1027] CR2: 00000000004eba78 CR3: 000000000ffaf004 CR4: 0000000000771ef0
[   58.751679][ T1027] PKRU: 55555554
[   58.751778][ T1027] Call Trace:
[   58.751896][ T1027]  <TASK>
[   58.751965][ T1027]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.752096][ T1027]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.752194][ T1027]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.752324][ T1027]  __dev_notify_flags (net/core/dev.c:9787)
[   58.752455][ T1027]  ? netif_change_name (net/core/dev.c:1495)
[   58.752585][ T1027]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.752716][ T1027]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.752849][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.752983][ T1027]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   58.753115][ T1027]  netif_change_flags (net/core/dev.c:9820)
[   58.753244][ T1027]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.753373][ T1027]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.753506][ T1027]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.753639][ T1027]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.753800][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.753941][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.754069][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.754198][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.754329][ T1027]  ? __kernel_text_address (kernel/extable.c:79)
[   58.754460][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.754594][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.754723][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.754860][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.754995][ T1027]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.755124][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.755253][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.755382][ T1027]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.755517][ T1027]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.755646][ T1027]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.755775][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.755916][ T1027]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.756046][ T1027]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.756179][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.756313][ T1027]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.756445][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.756579][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.756708][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.756843][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.756976][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.757108][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.757237][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.757366][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.757496][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.757629][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.757759][ T1027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.757899][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.758028][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.758156][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.758287][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.758416][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.758550][ T1027]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.758680][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.758817][ T1027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.758957][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.759091][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.759222][ T1027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.759353][ T1027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.759486][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.759618][ T1027]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.759749][ T1027]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.759889][ T1027]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.760020][ T1027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.760148][ T1027]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.760277][ T1027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.760437][ T1027]  ? move_addr_to_kernel (net/socket.c:258)
[   58.760572][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.760701][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.760837][ T1027]  ___sys_sendmsg (net/socket.c:2752)
[   58.760970][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.761130][ T1027]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.761271][ T1027]  __sys_sendmsg (net/socket.c:2784)
[   58.761400][ T1027]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.761533][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.761695][ T1027]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.761828][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.761964][ T1027]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.762093][ T1027]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.762220][ T1027]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.762348][ T1027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.762514][ T1027] RIP: 0033:0x7f3342b4908e
[   58.762648][ T1027] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.763115][ T1027] RSP: 002b:00007fff22142ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.763309][ T1027] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3342b4908e
[   58.763504][ T1027] RDX: 0000000000000000 RSI: 00007fff22142d50 RDI: 0000000000000005
[   58.763702][ T1027] RBP: 00007fff22142cb0 R08: 0000000000000000 R09: 0000000000000000
[   58.763906][ T1027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.764099][ T1027] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff22143420
| [   58.766863][ T1027] ------------[ cut here ]------------
| [   58.767001][ T1027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1027
| [   58.767257][ T1027] Modules linked in:
| [   58.767631][ T1027] Tainted: [W]=WARN
[   58.767731][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.767922][ T1027] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.768101][ T1027] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.768574][ T1027] RSP: 0018:ffa0000003016ee0 EFLAGS: 00010286
[   58.768738][ T1027] RAX: 00000000ffffffa6 RBX: ff1100000caa03c0 RCX: 1ff4000000602da2
[   58.768946][ T1027] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa047c
[   58.769142][ T1027] RBP: ff1100000a874000 R08: 1fe2200001954091 R09: ff11000012565158
[   58.769338][ T1027] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   58.769537][ T1027] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   58.769735][ T1027] FS:  00007f334290f840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   58.769977][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.770141][ T1027] CR2: 00000000004eba70 CR3: 000000000ffaf005 CR4: 0000000000771ef0
[   58.770339][ T1027] PKRU: 55555554
[   58.770437][ T1027] Call Trace:
[   58.770538][ T1027]  <TASK>
[   58.770606][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.770737][ T1027]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.770881][ T1027]  notifier_call_chain (kernel/notifier.c:85)
[   58.771015][ T1027]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   58.771145][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.771278][ T1027]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.771410][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.771549][ T1027]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   58.771680][ T1027]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   58.771818][ T1027]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.771956][ T1027]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   58.772087][ T1027]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   58.772221][ T1027]  br_add_if (net/bridge/br_if.c:619)
[   58.772324][ T1027]  do_set_master (net/core/rtnetlink.c:3011)
[   58.772456][ T1027]  ? netif_change_flags (net/core/dev.c:9820)
[   58.772592][ T1027]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.772724][ T1027]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.772864][ T1027]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.773033][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.773166][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.773297][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.773426][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.773561][ T1027]  ? __kernel_text_address (kernel/extable.c:79)
[   58.773693][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.773831][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.773970][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.774104][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.774235][ T1027]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.774365][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.774495][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.774628][ T1027]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.774759][ T1027]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.774902][ T1027]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.775035][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.775168][ T1027]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.775298][ T1027]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.775430][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.775568][ T1027]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.775700][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.775835][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.775972][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.776105][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.776236][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.776370][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.776499][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.776635][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.776766][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.776909][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.777043][ T1027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.777175][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.777305][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.777436][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.777572][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.777702][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.777840][ T1027]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.777976][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.778109][ T1027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.778245][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.778375][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.778511][ T1027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.778644][ T1027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.778775][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.778916][ T1027]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.779049][ T1027]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.779182][ T1027]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.779315][ T1027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.779446][ T1027]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.779580][ T1027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.779742][ T1027]  ? move_addr_to_kernel (net/socket.c:258)
[   58.779885][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.780016][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.780150][ T1027]  ___sys_sendmsg (net/socket.c:2752)
[   58.780280][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.780442][ T1027]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.780588][ T1027]  __sys_sendmsg (net/socket.c:2784)
[   58.780718][ T1027]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.780852][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.781022][ T1027]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.781156][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.781288][ T1027]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.781419][ T1027]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.781551][ T1027]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.781682][ T1027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.781851][ T1027] RIP: 0033:0x7f3342b4908e
[   58.781994][ T1027] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.782459][ T1027] RSP: 002b:00007fff22142ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.782661][ T1027] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3342b4908e
[   58.782863][ T1027] RDX: 0000000000000000 RSI: 00007fff22142d50 RDI: 0000000000000005
[   58.783067][ T1027] RBP: 00007fff22142cb0 R08: 0000000000000000 R09: 0000000000000000
[   58.783262][ T1027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.783458][ T1027] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff22143420
| [   58.785193][ T1027] ------------[ cut here ]------------
| [   58.785326][ T1027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1027
| [   58.785599][ T1027] Modules linked in:
| [   58.786003][ T1027] Tainted: [W]=WARN
[   58.786106][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.786277][ T1027] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.786453][ T1027] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.786952][ T1027] RSP: 0018:ffa0000003016ea0 EFLAGS: 00010286
[   58.787130][ T1027] RAX: 00000000ffffffa6 RBX: ff1100000caa1380 RCX: 1ff4000000602d9a
[   58.787335][ T1027] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa143c
[   58.787543][ T1027] RBP: ff1100000a874000 R08: 1fe2200001954289 R09: ff11000012565158
[   58.787745][ T1027] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   58.787961][ T1027] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001006adc0
[   58.788167][ T1027] FS:  00007f334290f840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.788407][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.788583][ T1027] CR2: 00007f51238cb574 CR3: 000000000ffaf005 CR4: 0000000000771ef0
[   58.788789][ T1027] PKRU: 55555554
[   58.788903][ T1027] Call Trace:
[   58.789006][ T1027]  <TASK>
[   58.789077][ T1027]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.789217][ T1027]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.789323][ T1027]  __dev_notify_flags (net/core/dev.c:9787)
[   58.789462][ T1027]  ? netdev_notice (net/core/dev.c:13008)
[   58.789604][ T1027]  ? netif_change_name (net/core/dev.c:1495)
[   58.789741][ T1027]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   58.789925][ T1027]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   58.790065][ T1027]  __dev_set_promiscuity (net/core/dev.c:9630)
[   58.790204][ T1027]  netif_set_promiscuity (net/core/dev.c:9639)
[   58.790342][ T1027]  dev_set_promiscuity (net/core/dev_api.c:288)
[   58.790482][ T1027]  br_port_set_promisc (net/bridge/br_if.c:108)
[   58.790621][ T1027]  br_manage_promisc (net/bridge/br_if.c:174)
[   58.790759][ T1027]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   58.790910][ T1027]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   58.791018][ T1027]  do_set_master (net/core/rtnetlink.c:3011)
[   58.791155][ T1027]  ? netif_change_flags (net/core/dev.c:9820)
[   58.791294][ T1027]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.791443][ T1027]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.791585][ T1027]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.791756][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.791908][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.792045][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.792182][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.792319][ T1027]  ? __kernel_text_address (kernel/extable.c:79)
[   58.792456][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.792597][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.792734][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.792883][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.793021][ T1027]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.793157][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.793292][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.793430][ T1027]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.793572][ T1027]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.793710][ T1027]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.793851][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.793997][ T1027]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.794134][ T1027]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.794272][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.794413][ T1027]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.794555][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.794691][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.794836][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.794979][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.795115][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.795254][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.795390][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.795529][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.795667][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.795809][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.795951][ T1027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.796088][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.796224][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.796360][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.796498][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.796638][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.796776][ T1027]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.796923][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.797060][ T1027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.797200][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.797336][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.797474][ T1027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.797615][ T1027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.797753][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.797902][ T1027]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.798040][ T1027]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.798177][ T1027]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.798315][ T1027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.798451][ T1027]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.798589][ T1027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.798759][ T1027]  ? move_addr_to_kernel (net/socket.c:258)
[   58.798908][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.799043][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.799181][ T1027]  ___sys_sendmsg (net/socket.c:2752)
[   58.799317][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.799487][ T1027]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.799637][ T1027]  __sys_sendmsg (net/socket.c:2784)
[   58.799777][ T1027]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.799922][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.800096][ T1027]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.800238][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.800381][ T1027]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.800522][ T1027]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.800664][ T1027]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.800810][ T1027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.800993][ T1027] RIP: 0033:0x7f3342b4908e
[   58.801140][ T1027] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.801644][ T1027] RSP: 002b:00007fff22142ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.801856][ T1027] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3342b4908e
[   58.802067][ T1027] RDX: 0000000000000000 RSI: 00007fff22142d50 RDI: 0000000000000005
[   58.802271][ T1027] RBP: 00007fff22142cb0 R08: 0000000000000000 R09: 0000000000000000
[   58.802475][ T1027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.802683][ T1027] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff22143420
| [   58.804615][ T1027] ------------[ cut here ]------------
| [   58.804743][ T1027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1027
| [   58.805004][ T1027] Modules linked in:
| [   58.805366][ T1027] Tainted: [W]=WARN
[   58.805463][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.805628][ T1027] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.805798][ T1027] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.806268][ T1027] RSP: 0018:ffa0000003017000 EFLAGS: 00010286
[   58.806523][ T1027] RAX: 00000000ffffffa6 RBX: ff1100000caa0e40 RCX: 1ff4000000602dc6
[   58.806717][ T1027] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0efc
[   58.806915][ T1027] RBP: ff1100001006a000 R08: 1fe22000019541e1 R09: ff11000012565158
[   58.807201][ T1027] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.807402][ T1027] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.807684][ T1027] FS:  00007f334290f840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.807922][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.808084][ T1027] CR2: 00007f51238cb574 CR3: 000000000ffaf005 CR4: 0000000000771ef0
[   58.808363][ T1027] PKRU: 55555554
[   58.808459][ T1027] Call Trace:
[   58.808556][ T1027]  <TASK>
[   58.808623][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.808753][ T1027]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.808978][ T1027]  notifier_call_chain (kernel/notifier.c:85)
[   58.809108][ T1027]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   58.809237][ T1027]  ? __dev_open (./include/net/netdev_lock.h:33)
[   58.809367][ T1027]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   58.809585][ T1027]  br_add_if (net/bridge/br_if.c:679)
[   58.809686][ T1027]  do_set_master (net/core/rtnetlink.c:3011)
[   58.809818][ T1027]  ? netif_change_flags (net/core/dev.c:9820)
[   58.809956][ T1027]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.810171][ T1027]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.810302][ T1027]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.810463][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.810596][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.810814][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.810948][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.811078][ T1027]  ? __kernel_text_address (kernel/extable.c:79)
[   58.811208][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.811424][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.811553][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.811682][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.811817][ T1027]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.811956][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.812092][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.812229][ T1027]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.812362][ T1027]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.812580][ T1027]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.812710][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.812847][ T1027]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.812982][ T1027]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.813200][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.813334][ T1027]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.813466][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.813599][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.813817][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.813951][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.814080][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.814212][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.814426][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.814557][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.814688][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.814822][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.814957][ T1027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.815086][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.815215][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.815343][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.815564][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.815692][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.815827][ T1027]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.815964][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.816179][ T1027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.816311][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.816440][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.816575][ T1027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.816791][ T1027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.816932][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.817063][ T1027]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.817192][ T1027]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.817406][ T1027]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.817539][ T1027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.817669][ T1027]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.817807][ T1027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.818061][ T1027]  ? move_addr_to_kernel (net/socket.c:258)
[   58.818197][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.818328][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.818462][ T1027]  ___sys_sendmsg (net/socket.c:2752)
[   58.818683][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.818853][ T1027]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.819005][ T1027]  __sys_sendmsg (net/socket.c:2784)
[   58.819225][ T1027]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.819357][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.819525][ T1027]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.819658][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.819884][ T1027]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.820014][ T1027]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.820144][ T1027]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.820274][ T1027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.820519][ T1027] RIP: 0033:0x7f3342b4908e
[   58.820653][ T1027] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.821218][ T1027] RSP: 002b:00007fff22142ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.821414][ T1027] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3342b4908e
[   58.821697][ T1027] RDX: 0000000000000000 RSI: 00007fff22142d50 RDI: 0000000000000005
[   58.821901][ T1027] RBP: 00007fff22142cb0 R08: 0000000000000000 R09: 0000000000000000
[   58.822096][ T1027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.822376][ T1027] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff22143420
| [   58.824280][ T1027] ------------[ cut here ]------------
| [   58.824407][ T1027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1027
| [   58.824663][ T1027] Modules linked in:
| [   58.825122][ T1027] Tainted: [W]=WARN
[   58.825221][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.825469][ T1027] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.825641][ T1027] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.826109][ T1027] RSP: 0018:ffa0000003016f78 EFLAGS: 00010286
[   58.826272][ T1027] RAX: 00000000ffffffa6 RBX: ff1100000caa0040 RCX: 1ff4000000602db5
[   58.826464][ T1027] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa00fc
[   58.826660][ T1027] RBP: ff1100001006a000 R08: 1fe2200001954021 R09: ff11000012565158
[   58.826859][ T1027] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.827058][ T1027] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   58.827253][ T1027] FS:  00007f334290f840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   58.827477][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.827642][ T1027] CR2: 00007f51238cb574 CR3: 000000000ffaf005 CR4: 0000000000771ef0
[   58.827843][ T1027] PKRU: 55555554
[   58.827944][ T1027] Call Trace:
[   58.828040][ T1027]  <TASK>
[   58.828107][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.828236][ T1027]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   58.828366][ T1027]  notifier_call_chain (kernel/notifier.c:85)
[   58.828497][ T1027]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   58.828665][ T1027]  ? netdev_change_features (net/core/dev.c:11117)
[   58.828801][ T1027]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   58.828943][ T1027]  br_add_if (net/bridge/br_if.c:683)
[   58.829044][ T1027]  do_set_master (net/core/rtnetlink.c:3011)
[   58.829176][ T1027]  ? netif_change_flags (net/core/dev.c:9820)
[   58.829306][ T1027]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   58.829439][ T1027]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.829574][ T1027]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.829734][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.829874][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.830004][ T1027]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.830134][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.830263][ T1027]  ? __kernel_text_address (kernel/extable.c:79)
[   58.830393][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.830526][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.830656][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.830785][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.830924][ T1027]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.831053][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.831181][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.831312][ T1027]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.831442][ T1027]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   58.831574][ T1027]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.831704][ T1027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.831842][ T1027]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.831976][ T1027]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.832116][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.832252][ T1027]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.832387][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.832521][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.832655][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.832788][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.832930][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.833068][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.833201][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.833334][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.833467][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.833605][ T1027]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.833739][ T1027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.833881][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.834017][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.834151][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.834286][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.834418][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.834554][ T1027]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.834687][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.834829][ T1027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.834973][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.835106][ T1027]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.835243][ T1027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.835378][ T1027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.835515][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.835650][ T1027]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.835786][ T1027]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.835934][ T1027]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.836071][ T1027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.836206][ T1027]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.836340][ T1027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.836505][ T1027]  ? move_addr_to_kernel (net/socket.c:258)
[   58.836643][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.836775][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.836918][ T1027]  ___sys_sendmsg (net/socket.c:2752)
[   58.837051][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.837219][ T1027]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.837364][ T1027]  __sys_sendmsg (net/socket.c:2784)
[   58.837498][ T1027]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.837634][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.837807][ T1027]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.837946][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.838080][ T1027]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.838214][ T1027]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.838348][ T1027]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.838481][ T1027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.838647][ T1027] RIP: 0033:0x7f3342b4908e
[   58.838785][ T1027] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.839271][ T1027] RSP: 002b:00007fff22142ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.839469][ T1027] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3342b4908e
[   58.839671][ T1027] RDX: 0000000000000000 RSI: 00007fff22142d50 RDI: 0000000000000005
[   58.839879][ T1027] RBP: 00007fff22142cb0 R08: 0000000000000000 R09: 0000000000000000
[   58.840080][ T1027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd26
[   58.840278][ T1027] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff22143420
| [   58.842811][   T71] ------------[ cut here ]------------
| [   58.842994][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   58.843277][   T71] Modules linked in:
| [   58.843746][   T71] Tainted: [W]=WARN
[   58.843904][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.844101][   T71] Workqueue: events_unbound linkwatch_event
[   58.844304][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.844511][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.845009][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   58.845207][   T71] RAX: 00000000ffffffa6 RBX: ff1100000fc4ac80 RCX: 1ff4000000098f02
[   58.845434][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4ad3c
[   58.845671][   T71] RBP: ff1100000a874000 R08: 1fe2200001f895a9 R09: ff11000009d32ea8
[   58.845915][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.846141][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.846370][   T71] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.846637][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.846839][   T71] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   58.847079][   T71] PKRU: 55555554
[   58.847217][   T71] Call Trace:
[   58.847355][   T71]  <TASK>
[   58.847464][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.847640][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.847817][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.847972][   T71]  netif_state_change (net/core/dev.c:1605)
[   58.848140][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.848337][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.848508][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.848682][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.848855][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.849043][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.849214][   T71]  process_one_work (kernel/workqueue.c:3314)
[   58.849385][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.849558][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.849733][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.849920][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.850088][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.850257][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.850425][   T71]  kthread (kernel/kthread.c:436)
[   58.850569][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.850768][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.850952][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.851121][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.851317][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.851483][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.851657][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.853734][   T71] ------------[ cut here ]------------
| [   58.853924][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   58.854244][   T71] Modules linked in:
| [   58.854710][   T71] Tainted: [W]=WARN
[   58.854849][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.855065][   T71] Workqueue: events_unbound linkwatch_event
[   58.855275][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.855477][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.855988][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   58.856191][   T71] RAX: 00000000ffffffa6 RBX: ff110000126be040 RCX: 1ff4000000098f02
[   58.856415][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126be0fc
[   58.856645][   T71] RBP: ff1100000ff79000 R08: 1fe22000024d7c21 R09: ff11000009d32ea8
[   58.856891][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.857116][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.857348][   T71] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.857612][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.857816][   T71] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   58.858065][   T71] PKRU: 55555554
[   58.858201][   T71] Call Trace:
[   58.858339][   T71]  <TASK>
[   58.858447][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.858622][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.858789][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.858949][   T71]  netif_state_change (net/core/dev.c:1605)
[   58.859119][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.859317][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.859486][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.859662][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.859840][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.860023][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.860193][   T71]  process_one_work (kernel/workqueue.c:3314)
[   58.860365][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.860535][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.860711][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.860920][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.861089][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.861258][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.861426][   T71]  kthread (kernel/kthread.c:436)
[   58.861571][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.861768][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.861955][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.862123][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.862321][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.862490][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.862664][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.864814][   T71] ------------[ cut here ]------------
| [   58.864994][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   58.865279][   T71] Modules linked in:
| [   58.865741][   T71] Tainted: [W]=WARN
[   58.866342][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.866604][   T71] Workqueue: events_unbound linkwatch_event
[   58.866862][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.867188][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   58.867724][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   58.867992][   T71] RAX: 00000000ffffffa6 RBX: ff110000126be740 RCX: 1ff4000000098f02
[   58.868266][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126be7fc
[   58.868557][   T71] RBP: ff1100001006a000 R08: 1fe22000024d7d01 R09: ff11000009d32ea8
[   58.868840][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.869124][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.869425][   T71] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   58.869736][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.870009][   T71] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   58.870285][   T71] PKRU: 55555554
[   58.870468][   T71] Call Trace:
[   58.870659][   T71]  <TASK>
[   58.870822][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.871052][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.871272][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.871415][   T71]  netif_state_change (net/core/dev.c:1605)
[   58.871593][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.871796][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.872020][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.872192][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.872364][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.872536][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.872711][   T71]  process_one_work (kernel/workqueue.c:3314)
[   58.872910][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.873085][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.873260][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.873432][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.873610][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.873782][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.873978][   T71]  kthread (kernel/kthread.c:436)
[   58.874116][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.874315][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.874486][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.874692][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.874924][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.875098][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.875267][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.060484][ T1035] ------------[ cut here ]------------
| [   59.060694][ T1035] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1035
| [   59.061558][ T1035] Modules linked in:
| [   59.062224][ T1035] Tainted: [W]=WARN
[   59.062368][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.062588][ T1035] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.062813][ T1035] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.063344][ T1035] RSP: 0018:ffa00000030471b0 EFLAGS: 00010286
[   59.063564][ T1035] RAX: 00000000ffffffa6 RBX: ff1100000ee518c0 RCX: 1ff4000000608dfc
[   59.063814][ T1035] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5197c
[   59.064083][ T1035] RBP: ff1100000d589000 R08: 1fe2200001dca331 R09: ff1100000f0bae80
[   59.064331][ T1035] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.064588][ T1035] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   59.064847][ T1035] FS:  00007fd3b7351840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   59.065146][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.065364][ T1035] CR2: 00000000004a2860 CR3: 000000000c172004 CR4: 0000000000771ef0
[   59.065631][ T1035] PKRU: 55555554
[   59.065780][ T1035] Call Trace:
[   59.066024][ T1035]  <TASK>
[   59.066220][ T1035]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.066508][ T1035]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.066720][ T1035]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   59.066981][ T1035]  __dev_notify_flags (net/core/dev.c:9787)
[   59.067223][ T1035]  ? netif_change_name (net/core/dev.c:1495)
[   59.067418][ T1035]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   59.067613][ T1035]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   59.067798][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.068007][ T1035]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   59.068195][ T1035]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.068384][ T1035]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   59.068580][ T1035]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   59.068767][ T1035]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   59.068973][ T1035]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   59.069158][ T1035]  ? __dev_get_by_name (net/core/dev.c:883)
[   59.069341][ T1035]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   59.069537][ T1035]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   59.069728][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.069935][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.070119][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.070301][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.070484][ T1035]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.070670][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.070878][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.071064][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.071247][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.071427][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.071618][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.071811][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.072015][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.072198][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.072383][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.072579][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.072767][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.072973][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.073158][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.073344][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.073531][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.073713][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.073920][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.074106][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.074288][ T1035]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.074471][ T1035]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.074659][ T1035]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.074848][ T1035]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.075074][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   59.075260][ T1035]  ___sys_sendmsg (net/socket.c:2752)
[   59.075441][ T1035]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.075634][ T1035]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   59.075860][ T1035]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   59.076062][ T1035]  __sys_sendmsg (net/socket.c:2784)
[   59.076249][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.076438][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.076630][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.076822][ T1035]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.077020][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.077205][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.077421][ T1035] RIP: 0033:0x7fd3b758b08e
[   59.077621][ T1035] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.078161][ T1035] RSP: 002b:00007ffead460cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.078409][ T1035] RAX: ffffffffffffffda RBX: 00007ffead461458 RCX: 00007fd3b758b08e
[   59.078660][ T1035] RDX: 0000000000000000 RSI: 00007ffead460d60 RDI: 0000000000000005
[   59.078926][ T1035] RBP: 00007ffead460cc0 R08: 0000000000000000 R09: 0000000000000000
[   59.079171][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd27
[   59.079414][ T1035] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffead461430
| [   59.112793][ T1036] ------------[ cut here ]------------
| [   59.113475][ T1036] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1036
| [   59.113845][ T1036] Modules linked in:
| [   59.114424][ T1036] Tainted: [W]=WARN
[   59.114631][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.114915][ T1036] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.115188][ T1036] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.115755][ T1036] RSP: 0018:ffa0000003057020 EFLAGS: 00010286
[   59.116042][ T1036] RAX: 00000000ffffffa6 RBX: ff1100000ee50ac0 RCX: 1ff400000060adca
[   59.116334][ T1036] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50b7c
[   59.116635][ T1036] RBP: ff1100000d589000 R08: 1fe2200001dca171 R09: ff1100000f0bd158
[   59.116950][ T1036] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   59.117243][ T1036] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   59.117546][ T1036] FS:  00007f5c92f6a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   59.117895][ T1036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.118161][ T1036] CR2: 0000000012b43988 CR3: 000000000e6f2006 CR4: 0000000000771ef0
[   59.118455][ T1036] PKRU: 55555554
[   59.118660][ T1036] Call Trace:
[   59.118924][ T1036]  <TASK>
[   59.119095][ T1036]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.119328][ T1036]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.119538][ T1036]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   59.119770][ T1036]  __dev_notify_flags (net/core/dev.c:9787)
[   59.120023][ T1036]  ? netif_change_name (net/core/dev.c:1495)
[   59.120253][ T1036]  ? __dev_change_flags (net/core/dev.c:9752)
[   59.120482][ T1036]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   59.120716][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.120969][ T1036]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   59.121218][ T1036]  netif_change_flags (net/core/dev.c:9820)
[   59.121451][ T1036]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.121665][ T1036]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   59.121849][ T1036]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   59.122045][ T1036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   59.122255][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.122432][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.122617][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.122792][ T1036]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.122995][ T1036]  ? __kernel_text_address (kernel/extable.c:79)
[   59.123174][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.123351][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.123531][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.123710][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.123912][ T1036]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.124091][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.124270][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.124448][ T1036]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.124633][ T1036]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   59.124817][ T1036]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   59.125013][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.125191][ T1036]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   59.125370][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   59.125556][ T1036]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.125736][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.125929][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.126107][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.126282][ T1036]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.126459][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.126648][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.126830][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.127019][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.127195][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.127374][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.127556][ T1036]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.127734][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.127928][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.128103][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.128281][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.128456][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.128642][ T1036]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.128826][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.129017][ T1036]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.129201][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.129377][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.129563][ T1036]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.129744][ T1036]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.129944][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.130126][ T1036]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.130304][ T1036]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.130482][ T1036]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.130665][ T1036]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.130849][ T1036]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.131039][ T1036]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.131244][ T1036]  ? move_addr_to_kernel (net/socket.c:258)
[   59.131423][ T1036]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.131612][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.131793][ T1036]  ___sys_sendmsg (net/socket.c:2752)
[   59.131992][ T1036]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.132199][ T1036]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.132387][ T1036]  __sys_sendmsg (net/socket.c:2784)
[   59.132573][ T1036]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.132751][ T1036]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.132985][ T1036]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.133164][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.133343][ T1036]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.133520][ T1036]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.133698][ T1036]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.133897][ T1036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.134105][ T1036] RIP: 0033:0x7f5c931a408e
[   59.134288][ T1036] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.134801][ T1036] RSP: 002b:00007ffce472cb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.135068][ T1036] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5c931a408e
[   59.135305][ T1036] RDX: 0000000000000000 RSI: 00007ffce472cbf0 RDI: 0000000000000005
[   59.135550][ T1036] RBP: 00007ffce472cb50 R08: 0000000000000000 R09: 0000000000000000
[   59.135789][ T1036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd27
[   59.136048][ T1036] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce472d2c0
| [   59.193859][  T225] ------------[ cut here ]------------
| [   59.194041][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/225
| [   59.194324][  T225] Modules linked in:
| [   59.194789][  T225] Tainted: [W]=WARN
[   59.194949][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.195154][  T225] Workqueue: events_unbound linkwatch_event
[   59.195355][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.195565][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.196053][  T225] RSP: 0018:ffa0000000b079e0 EFLAGS: 00010286
[   59.196250][  T225] RAX: 00000000ffffffa6 RBX: ff1100000a16b1c0 RCX: 1ff4000000160f02
[   59.196473][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b27c
[   59.196708][  T225] RBP: ff11000008e64000 R08: 1fe220000142d651 R09: ff11000010272ea8
[   59.196953][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   59.197175][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   59.197399][  T225] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   59.197663][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.197881][  T225] CR2: 000055dfefe58b88 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   59.198111][  T225] PKRU: 55555554
[   59.198245][  T225] Call Trace:
[   59.198382][  T225]  <TASK>
[   59.198489][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.198659][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   59.198835][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.198985][  T225]  netif_state_change (net/core/dev.c:1605)
[   59.199152][  T225]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   59.199347][  T225]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   59.199514][  T225]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   59.199684][  T225]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.199857][  T225]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   59.200036][  T225]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   59.200207][  T225]  process_one_work (kernel/workqueue.c:3314)
[   59.200376][  T225]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   59.200545][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.200716][  T225]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.200906][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   59.201074][  T225]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   59.201241][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   59.201406][  T225]  kthread (kernel/kthread.c:436)
[   59.201550][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   59.201743][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   59.201931][  T225]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.202102][  T225]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   59.202296][  T225]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   59.202462][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   59.202637][  T225]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.297162][ T1041] ------------[ cut here ]------------
| [   59.297356][ T1041] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1041
| [   59.297672][ T1041] Modules linked in:
| [   59.298158][ T1041] Tainted: [W]=WARN
[   59.298303][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.298516][ T1041] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.298739][ T1041] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.299278][ T1041] RSP: 0018:ffa00000030a71b0 EFLAGS: 00010286
[   59.299493][ T1041] RAX: 00000000ffffffa6 RBX: ff1100000f1b51c0 RCX: 1ff4000000614dfc
[   59.299750][ T1041] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b527c
[   59.300016][ T1041] RBP: ff11000009afc000 R08: 1fe2200001e36a51 R09: ff11000009a90b80
[   59.300265][ T1041] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   59.300515][ T1041] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   59.300769][ T1041] FS:  00007fea804e6840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   59.301073][ T1041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.301296][ T1041] CR2: 00000000004a2860 CR3: 0000000010058006 CR4: 0000000000771ef0
[   59.301546][ T1041] PKRU: 55555554
[   59.301691][ T1041] Call Trace:
[   59.301843][ T1041]  <TASK>
[   59.301974][ T1041]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.302159][ T1041]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.302308][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.302488][ T1041]  __dev_notify_flags (net/core/dev.c:9787)
[   59.302675][ T1041]  ? netif_change_name (net/core/dev.c:1495)
[   59.302864][ T1041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.303059][ T1041]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.303241][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.303418][ T1041]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.303606][ T1041]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   59.303792][ T1041]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   59.303992][ T1041]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   59.304172][ T1041]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   59.304353][ T1041]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   59.304537][ T1041]  ? __dev_get_by_name (net/core/dev.c:883)
[   59.304718][ T1041]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   59.304924][ T1041]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   59.305114][ T1041]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.305297][ T1041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.305475][ T1041]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.305658][ T1041]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.305843][ T1041]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.306035][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.306218][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.306398][ T1041]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.306589][ T1041]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.306768][ T1041]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.306967][ T1041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.307145][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.307325][ T1041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.307501][ T1041]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.307689][ T1041]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.307891][ T1041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.308073][ T1041]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.308255][ T1041]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.308433][ T1041]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.308622][ T1041]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.308802][ T1041]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.309003][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.309183][ T1041]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.309364][ T1041]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.309553][ T1041]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.309735][ T1041]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.309932][ T1041]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.310112][ T1041]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.310323][ T1041]  ? move_addr_to_kernel (net/socket.c:258)
[   59.310510][ T1041]  ___sys_sendmsg (net/socket.c:2752)
[   59.310696][ T1041]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.310902][ T1041]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   59.311119][ T1041]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   59.311302][ T1041]  __sys_sendmsg (net/socket.c:2784)
[   59.311481][ T1041]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.311674][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.311864][ T1041]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.312061][ T1041]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.312244][ T1041]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.312428][ T1041]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.312648][ T1041] RIP: 0033:0x7fea8072008e
[   59.312840][ T1041] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.313369][ T1041] RSP: 002b:00007ffe35405a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.313626][ T1041] RAX: ffffffffffffffda RBX: 00007ffe354061a8 RCX: 00007fea8072008e
[   59.313894][ T1041] RDX: 0000000000000000 RSI: 00007ffe35405ab0 RDI: 0000000000000005
[   59.314137][ T1041] RBP: 00007ffe35405a10 R08: 0000000000000000 R09: 0000000000000000
[   59.314381][ T1041] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd27
[   59.314635][ T1041] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe35406180
| [   59.351656][ T1042] ------------[ cut here ]------------
| [   59.351840][ T1042] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1042
| [   59.352464][ T1042] Modules linked in:
| [   59.352959][ T1042] Tainted: [W]=WARN
[   59.353110][ T1042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.353322][ T1042] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.353549][ T1042] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.354086][ T1042] RSP: 0018:ffa00000030b7020 EFLAGS: 00010286
[   59.354301][ T1042] RAX: 00000000ffffffa6 RBX: ff1100000909c040 RCX: 1ff4000000616dca
[   59.354553][ T1042] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000909c0fc
[   59.354796][ T1042] RBP: ff11000009afc000 R08: 1fe2200001213821 R09: ff11000010315158
[   59.355064][ T1042] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   59.355314][ T1042] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   59.355579][ T1042] FS:  00007f33dffc0840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   59.355887][ T1042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.356108][ T1042] CR2: 00007f33e02901a0 CR3: 0000000010058002 CR4: 0000000000771ef0
[   59.356353][ T1042] PKRU: 55555554
[   59.356498][ T1042] Call Trace:
[   59.356652][ T1042]  <TASK>
[   59.356770][ T1042]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   59.356968][ T1042]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   59.357117][ T1042]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   59.357294][ T1042]  __dev_notify_flags (net/core/dev.c:9787)
[   59.357476][ T1042]  ? netif_change_name (net/core/dev.c:1495)
[   59.357660][ T1042]  ? __dev_change_flags (net/core/dev.c:9752)
[   59.357849][ T1042]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   59.358045][ T1042]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.358226][ T1042]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   59.358409][ T1042]  netif_change_flags (net/core/dev.c:9820)
[   59.358597][ T1042]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.358776][ T1042]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   59.358980][ T1042]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   59.359160][ T1042]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   59.359373][ T1042]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.359557][ T1042]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.359736][ T1042]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.359930][ T1042]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.360113][ T1042]  ? __kernel_text_address (kernel/extable.c:79)
[   59.360293][ T1042]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.360477][ T1042]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.360663][ T1042]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.360852][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.361044][ T1042]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.361222][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.361402][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.361590][ T1042]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.361773][ T1042]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   59.361979][ T1042]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   59.362159][ T1042]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.362341][ T1042]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   59.362528][ T1042]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   59.362712][ T1042]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.362919][ T1042]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.363101][ T1042]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.363283][ T1042]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.363465][ T1042]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.363653][ T1042]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.363846][ T1042]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.364039][ T1042]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.364219][ T1042]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.364400][ T1042]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.364588][ T1042]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.364772][ T1042]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.364969][ T1042]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.365150][ T1042]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.365330][ T1042]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.365515][ T1042]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.365697][ T1042]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.365900][ T1042]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.366081][ T1042]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.366266][ T1042]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.366450][ T1042]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.366635][ T1042]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.366824][ T1042]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.367023][ T1042]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.367205][ T1042]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.367386][ T1042]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.367575][ T1042]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.367759][ T1042]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.367963][ T1042]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.368144][ T1042]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.368324][ T1042]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.368543][ T1042]  ? move_addr_to_kernel (net/socket.c:258)
[   59.368724][ T1042]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.368920][ T1042]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.369105][ T1042]  ___sys_sendmsg (net/socket.c:2752)
[   59.369284][ T1042]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.369496][ T1042]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.369697][ T1042]  __sys_sendmsg (net/socket.c:2784)
[   59.369898][ T1042]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.370076][ T1042]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.370292][ T1042]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.370475][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.370661][ T1042]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.370849][ T1042]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.371042][ T1042]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.371223][ T1042]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.371434][ T1042] RIP: 0033:0x7f33e01fa08e
[   59.371627][ T1042] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.372160][ T1042] RSP: 002b:00007ffdeff4ade0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.372405][ T1042] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f33e01fa08e
[   59.372654][ T1042] RDX: 0000000000000000 RSI: 00007ffdeff4ae90 RDI: 0000000000000005
[   59.372919][ T1042] RBP: 00007ffdeff4adf0 R08: 0000000000000000 R09: 0000000000000000
[   59.373163][ T1042] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd27
[   59.373405][ T1042] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdeff4b560
| [   59.510481][ T1047] ------------[ cut here ]------------
| [   59.510647][ T1047] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1047
| [   59.511493][ T1047] Modules linked in:
| [   59.511862][ T1047] Tainted: [W]=WARN
[   59.511966][ T1047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.512125][ T1047] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.512290][ T1047] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.512742][ T1047] RSP: 0018:ffa0000003107060 EFLAGS: 00010286
[   59.512912][ T1047] RAX: 00000000ffffffa6 RBX: ff1100000516c900 RCX: 1ff4000000620dd2
[   59.513114][ T1047] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000516c9bc
[   59.513311][ T1047] RBP: ff11000009b19000 R08: 1fe2200000a2d939 R09: ff11000010270b58
[   59.513508][ T1047] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   59.513699][ T1047] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   59.513904][ T1047] FS:  00007f1121c09840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   59.514138][ T1047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.514298][ T1047] CR2: 000000000c972988 CR3: 000000000fc86002 CR4: 0000000000771ef0
[   59.514490][ T1047] PKRU: 55555554
[   59.514590][ T1047] Call Trace:
[   59.514687][ T1047]  <TASK>
[   59.514755][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.514902][ T1047]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   59.515036][ T1047]  notifier_call_chain (kernel/notifier.c:85)
[   59.515171][ T1047]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   59.515307][ T1047]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   59.515439][ T1047]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.515576][ T1047]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   59.515708][ T1047]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   59.515850][ T1047]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   59.515990][ T1047]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   59.516125][ T1047]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   59.516289][ T1047]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.516421][ T1047]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.516554][ T1047]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.516684][ T1047]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.516822][ T1047]  ? __kernel_text_address (kernel/extable.c:79)
[   59.516960][ T1047]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.517094][ T1047]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.517225][ T1047]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.517356][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.517486][ T1047]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   59.517617][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.517747][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.517888][ T1047]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   59.518020][ T1047]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   59.518151][ T1047]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   59.518283][ T1047]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   59.518416][ T1047]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   59.518550][ T1047]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.518684][ T1047]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   59.518824][ T1047]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   59.518964][ T1047]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.519095][ T1047]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.519226][ T1047]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.519356][ T1047]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   59.519487][ T1047]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.519621][ T1047]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.519751][ T1047]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.519904][ T1047]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.520039][ T1047]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   59.520172][ T1047]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   59.520305][ T1047]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.520436][ T1047]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.520571][ T1047]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.520700][ T1047]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.520840][ T1047]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   59.520978][ T1047]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   59.521111][ T1047]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.521244][ T1047]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.521375][ T1047]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.521514][ T1047]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.521645][ T1047]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.521778][ T1047]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.521925][ T1047]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.522057][ T1047]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   59.522189][ T1047]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.522321][ T1047]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   59.522454][ T1047]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   59.522587][ T1047]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.522718][ T1047]  ? copy_msghdr_from_user (net/socket.c:2635)
[   59.522854][ T1047]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   59.523023][ T1047]  ? move_addr_to_kernel (net/socket.c:258)
[   59.523155][ T1047]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.523286][ T1047]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   59.523418][ T1047]  ___sys_sendmsg (net/socket.c:2752)
[   59.523550][ T1047]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   59.523713][ T1047]  ? copy_msghdr_from_user (net/socket.c:2603)
[   59.523861][ T1047]  __sys_sendmsg (net/socket.c:2784)
[   59.524001][ T1047]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   59.524132][ T1047]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   59.524298][ T1047]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.524429][ T1047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   59.524565][ T1047]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.524696][ T1047]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   59.524833][ T1047]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   59.524972][ T1047]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.525136][ T1047] RIP: 0033:0x7f1121e4308e
[   59.525274][ T1047] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.525745][ T1047] RSP: 002b:00007ffcaac18fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.525955][ T1047] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1121e4308e
[   59.526153][ T1047] RDX: 0000000000000000 RSI: 00007ffcaac19060 RDI: 0000000000000005
[   59.526349][ T1047] RBP: 00007ffcaac18fc0 R08: 0000000000000000 R09: 0000000000000000
[   59.526550][ T1047] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd27
[   59.526749][ T1047] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaac19730
| [   61.281533][   T12] ------------[ cut here ]------------
| [   61.281665][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.281951][   T12] Modules linked in:
| [   61.282355][   T12] Tainted: [W]=WARN
[   61.282454][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.282619][   T12] Workqueue: netns cleanup_net
[   61.282757][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.282943][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.283414][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   61.283583][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cbc4c80 RCX: 1ff4000000018ebc
[   61.283779][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbc4d3c
[   61.283987][   T12] RBP: ff1100000efbc000 R08: 1fe22000019789a9 R09: ff11000001aed1d0
[   61.284186][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   61.284380][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.284583][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.284817][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.284986][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29003 CR4: 0000000000771ef0
[   61.285183][   T12] PKRU: 55555554
[   61.285282][   T12] Call Trace:
[   61.285382][   T12]  <TASK>
[   61.285450][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.285591][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.285690][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   61.285827][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   61.285969][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   61.286099][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   61.286233][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.286369][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   61.286500][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.286635][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   61.286764][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.286961][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   61.287095][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   61.287226][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   61.287359][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   61.287458][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.287594][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   61.287782][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.287972][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.288105][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.288240][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.288374][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.288509][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.288642][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.288776][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.288966][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.289096][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.289229][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.289358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.289492][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.289629][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.289760][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.289955][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.290091][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.290220][   T12]  kthread (kernel/kthread.c:436)
[   61.290321][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.290489][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.290628][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.290764][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.290990][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.291126][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.291260][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.293744][   T12] ------------[ cut here ]------------
| [   61.294003][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.294262][   T12] Modules linked in:
| [   61.294717][   T12] Tainted: [W]=WARN
[   61.294820][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.294988][   T12] Workqueue: netns cleanup_net
[   61.295119][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.295284][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.295746][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   61.295918][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01c40 RCX: 1ff4000000018ec0
[   61.296113][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a01cfc
[   61.296301][   T12] RBP: ff1100000efbc000 R08: 1fe22000013403a1 R09: ff11000001aed1d0
[   61.296489][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   61.296680][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.296881][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.297104][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.297260][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.297450][   T12] PKRU: 55555554
[   61.297547][   T12] Call Trace:
[   61.297641][   T12]  <TASK>
[   61.297707][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.297839][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   61.297974][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   61.298103][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   61.298230][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   61.298389][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.298518][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.298644][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   61.298770][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   61.298939][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[   61.299065][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.299194][   T12]  del_nbp (net/bridge/br_if.c:363)
[   61.299291][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.299417][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.299548][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.299676][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.299803][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.299941][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.300070][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.300197][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.300325][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.300450][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.300582][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.300708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.300845][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.300980][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.301110][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.301246][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.301379][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.301513][   T12]  kthread (kernel/kthread.c:436)
[   61.301612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.301771][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.301908][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.302034][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.302193][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.302318][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.302444][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.304413][   T12] ------------[ cut here ]------------
| [   61.304547][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.304797][   T12] Modules linked in:
| [   61.305584][   T12] Tainted: [W]=WARN
[   61.305681][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.305849][   T12] Workqueue: netns cleanup_net
[   61.305988][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.306153][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.306615][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   61.306776][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01e00 RCX: 1ff4000000018ebc
[   61.306977][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a01ebc
[   61.307172][   T12] RBP: ff110000091a4000 R08: 1fe22000013403d9 R09: ff11000001aed1d0
[   61.307363][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[   61.307558][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.307753][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.307989][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.308150][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.308345][   T12] PKRU: 55555554
[   61.308442][   T12] Call Trace:
[   61.308542][   T12]  <TASK>
[   61.308609][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.308741][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.308847][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   61.308984][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   61.309118][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   61.309247][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   61.309377][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.309506][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   61.309636][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.309767][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   61.309908][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.310037][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   61.310166][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   61.310295][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   61.310423][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   61.310521][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.310650][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.310820][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.310958][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.311087][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.311218][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.311345][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.311474][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.311607][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.311736][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.311876][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.312007][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.312143][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.312272][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.312402][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.312538][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.312667][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.312802][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.312946][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.313075][   T12]  kthread (kernel/kthread.c:436)
[   61.313172][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.313332][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.313462][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.313595][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.313755][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.313894][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.314026][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.326200][   T12] ------------[ cut here ]------------
| [   61.326394][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.326651][   T12] Modules linked in:
| [   61.327053][   T12] Tainted: [W]=WARN
[   61.327148][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.327306][   T12] Workqueue: netns cleanup_net
[   61.327436][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.327602][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.328061][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   61.328226][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5d0740 RCX: 1ff4000000018ec0
[   61.328412][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5d07fc
[   61.328602][   T12] RBP: ff110000091a4000 R08: 1fe2200001cba101 R09: ff11000001aed1d0
[   61.328787][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   61.328984][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   61.329172][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.329392][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.329551][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.329738][   T12] PKRU: 55555554
[   61.329838][   T12] Call Trace:
[   61.329943][   T12]  <TASK>
[   61.330009][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.330137][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   61.330264][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   61.330393][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   61.330521][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   61.330680][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   61.330806][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.331002][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   61.331130][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   61.331288][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   61.331415][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.331544][   T12]  del_nbp (net/bridge/br_if.c:363)
[   61.331641][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.331767][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.331954][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.332082][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.332208][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.332334][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.332461][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.332593][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.332719][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.332849][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.333028][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.333204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.333332][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.333462][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.333592][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.333722][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.333858][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.334038][   T12]  kthread (kernel/kthread.c:436)
[   61.334133][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.334291][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.334417][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.334546][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.334704][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.334835][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.335013][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.338001][   T12] ------------[ cut here ]------------
| [   61.338139][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.338382][   T12] Modules linked in:
| [   61.338757][   T12] Tainted: [W]=WARN
[   61.338856][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.339017][   T12] Workqueue: netns cleanup_net
[   61.339144][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.339303][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.339734][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   61.339978][   T12] RAX: 00000000ffffffa6 RBX: ff11000010abb1c0 RCX: 1ff4000000018ec7
[   61.340165][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb27c
[   61.340347][   T12] RBP: ff1100001025a000 R08: 1fe2200002157651 R09: ff11000001aed1d0
[   61.340531][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   61.340710][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[   61.340916][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   61.341130][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.341295][   T12] CR2: 00007fffc4af5d28 CR3: 0000000009c29004 CR4: 0000000000771ef0
[   61.341479][   T12] PKRU: 55555554
[   61.341574][   T12] Call Trace:
[   61.341664][   T12]  <TASK>
[   61.341730][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.341862][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.341963][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.342090][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.342210][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.342362][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.342516][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.342641][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.342793][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.342927][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.343053][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.343175][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.343295][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.343420][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.343547][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.343667][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.343786][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.343918][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.344040][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.344161][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.344282][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.344405][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.344529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.344650][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.344774][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.344906][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.345031][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.345156][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.345277][   T12]  kthread (kernel/kthread.c:436)
[   61.345369][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.345520][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.345640][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.345761][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.345943][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.346065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.346189][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.349288][   T12] ------------[ cut here ]------------
| [   61.349409][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.349641][   T12] Modules linked in:
| [   61.350000][   T12] Tainted: [W]=WARN
[   61.350087][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.350231][   T12] Workqueue: netns cleanup_net
[   61.350352][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.350502][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.350931][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.351084][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7aee40 RCX: 1ff4000000018eed
[   61.351259][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7aeefc
[   61.351433][   T12] RBP: ff1100001241c000 R08: 1fe22000016f5de1 R09: ff11000001aed1d0
[   61.351607][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.351779][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.351969][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   61.352170][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.352319][   T12] CR2: 00007fffc4af5d28 CR3: 0000000009c29004 CR4: 0000000000771ef0
[   61.352501][   T12] PKRU: 55555554
[   61.352593][   T12] Call Trace:
[   61.352680][   T12]  <TASK>
[   61.352742][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.352997][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.353308][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.353431][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.353549][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.353667][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.353862][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.354072][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.354190][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.354307][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.354503][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.354627][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.354746][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.354960][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.355079][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.355196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.355315][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.355435][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.355559][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.355683][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.355802][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.356019][   T12]  kthread (kernel/kthread.c:436)
[   61.356107][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.356252][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.356371][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.356564][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.356710][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.356832][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.357118][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.359906][   T12] ------------[ cut here ]------------
| [   61.360071][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.360353][   T12] Modules linked in:
| [   61.360805][   T12] Tainted: [W]=WARN
[   61.361004][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.361194][   T12] Workqueue: netns cleanup_net
[   61.361364][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.361569][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.362051][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.362247][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c12a040 RCX: 1ff4000000018eed
[   61.362467][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c12a0fc
[   61.362695][   T12] RBP: ff1100000a394000 R08: 1fe2200001825421 R09: ff11000001aed1d0
[   61.362941][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.363162][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.363385][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.363643][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.363845][   T12] CR2: 00007fd66ac6e000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.364081][   T12] PKRU: 55555554
[   61.364214][   T12] Call Trace:
[   61.364348][   T12]  <TASK>
[   61.364456][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.364662][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.364879][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.365048][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.365216][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.365378][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.365550][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.365717][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.365901][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.366068][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.366233][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.366399][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.366574][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.366740][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.366927][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.367091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.367289][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.367457][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.367630][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.367801][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.367992][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.368156][   T12]  kthread (kernel/kthread.c:436)
[   61.368291][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.368489][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.368675][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.368889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.369084][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.369250][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.369447][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.372751][   T12] ------------[ cut here ]------------
| [   61.373602][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.373969][   T12] Modules linked in:
| [   61.374477][   T12] Tainted: [W]=WARN
[   61.374617][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.374817][   T12] Workqueue: netns cleanup_net
[   61.375004][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.375201][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.375678][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.375895][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c12a3c0 RCX: 1ff4000000018eed
[   61.376113][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c12a47c
[   61.376330][   T12] RBP: ff110000050f9000 R08: 1fe2200001825491 R09: ff11000001aed1d0
[   61.376552][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.376773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.377014][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.377265][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.377455][   T12] CR2: 00007fd66ac6e000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.377682][   T12] PKRU: 55555554
[   61.377824][   T12] Call Trace:
[   61.377972][   T12]  <TASK>
[   61.378079][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.378275][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.378465][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.378640][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.378806][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.379061][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.379230][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.379396][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.379567][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.379729][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.379986][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.380154][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.380319][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.380481][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.380655][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.380910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.381077][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.381245][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.381406][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.381583][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.381830][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.382012][   T12]  kthread (kernel/kthread.c:436)
[   61.382149][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.382341][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.382505][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.382749][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.383031][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.383270][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.383437][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.386329][   T12] ------------[ cut here ]------------
| [   61.386488][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.386767][   T12] Modules linked in:
| [   61.387758][   T12] Tainted: [W]=WARN
[   61.387958][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.388197][   T12] Workqueue: netns cleanup_net
[   61.388412][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.388664][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.389193][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.389432][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c12aac0 RCX: 1ff4000000018eed
[   61.389707][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c12ab7c
[   61.389991][   T12] RBP: ff1100000ff64000 R08: 1fe2200001825571 R09: ff11000001aed1d0
[   61.390255][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.390521][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.390790][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.391180][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.391416][   T12] CR2: 00007fd66ac6e000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.391689][   T12] PKRU: 55555554
[   61.391962][   T12] Call Trace:
[   61.392170][   T12]  <TASK>
[   61.392369][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.392675][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.393039][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.393204][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.393382][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.393581][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.393778][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.393964][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.394127][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.394290][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.394454][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.394627][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.394829][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.395003][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.395172][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.395335][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.395515][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.395688][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.395858][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.396041][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.396208][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.396373][   T12]  kthread (kernel/kthread.c:436)
[   61.396510][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.396710][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.396894][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.397089][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.397281][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.397523][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.397722][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.400692][   T12] ------------[ cut here ]------------
| [   61.400859][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.401849][   T12] Modules linked in:
| [   61.402396][   T12] Tainted: [W]=WARN
[   61.402579][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.402824][   T12] Workqueue: netns cleanup_net
[   61.403050][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.403293][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.403807][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.404068][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c12a900 RCX: 1ff4000000018eed
[   61.404329][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c12a9bc
[   61.404596][   T12] RBP: ff11000008bac000 R08: 1fe2200001825539 R09: ff11000001aed1d0
[   61.404882][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.405153][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.405422][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.405721][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.405975][   T12] CR2: 00007fd66ac6e000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.406241][   T12] PKRU: 55555554
[   61.406419][   T12] Call Trace:
[   61.406601][   T12]  <TASK>
[   61.406751][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.407017][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.407298][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.407506][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.407719][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.407948][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.408157][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.408365][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.408576][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.408781][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.409007][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.409225][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.409471][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.409733][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.410021][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.410242][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.410405][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.410583][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.410745][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.410932][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.411102][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.411265][   T12]  kthread (kernel/kthread.c:436)
[   61.411399][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.411596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.411760][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.411947][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.412138][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.412304][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.412466][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.423303][   T12] ------------[ cut here ]------------
| [   61.423436][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.423668][   T12] Modules linked in:
| [   61.424044][   T12] Tainted: [W]=WARN
[   61.424131][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.424282][   T12] Workqueue: netns cleanup_net
[   61.424402][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.424558][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.424983][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.425129][   T12] RAX: 00000000ffffffa6 RBX: ff1100000981a040 RCX: 1ff4000000018eed
[   61.425302][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000981a0fc
[   61.425476][   T12] RBP: ff1100001025a000 R08: 1fe2200001303421 R09: ff11000001aed1d0
[   61.425652][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.425832][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.426067][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.426294][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.426450][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[   61.426635][   T12] PKRU: 55555554
[   61.426723][   T12] Call Trace:
[   61.426815][   T12]  <TASK>
[   61.426953][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.427104][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.427253][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.427373][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.427489][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.427610][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.427727][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.427853][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.428017][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.428133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.428250][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.428366][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.428484][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.428650][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.428767][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.428951][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.429068][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.429186][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.429305][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.429426][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.429548][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.429665][   T12]  kthread (kernel/kthread.c:436)
[   61.429753][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.429951][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.430067][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.430184][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.430333][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.430453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.430570][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.458677][   T12] ------------[ cut here ]------------
| [   61.458820][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.459076][   T12] Modules linked in:
| [   61.459498][   T12] Tainted: [W]=WARN
[   61.459615][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.459770][   T12] Workqueue: netns cleanup_net
[   61.459917][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.460075][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.460518][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.460671][   T12] RAX: 00000000ffffffa6 RBX: ff1100000981a900 RCX: 1ff4000000018eaf
[   61.460872][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000981a9bc
[   61.461053][   T12] RBP: ff1100000efbc000 R08: 1fe2200001303539 R09: ff11000001aed1d0
[   61.461233][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   61.461415][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff41000
[   61.461603][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.461820][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.461986][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.462167][   T12] PKRU: 55555554
[   61.462262][   T12] Call Trace:
[   61.462359][   T12]  <TASK>
[   61.462423][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.462549][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.462641][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.462762][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.462899][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.463020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.463142][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.463263][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.463415][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.463571][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.463693][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.463848][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.463977][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.464097][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.464248][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.464372][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.464493][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.464618][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.464740][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.464877][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.465000][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.465122][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.465242][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.465367][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.465489][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.465614][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.465734][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.465864][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.465996][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.466129][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.466256][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.466380][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.466506][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.466633][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.466755][   T12]  kthread (kernel/kthread.c:436)
[   61.466853][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.467060][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.467184][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.467306][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.467456][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.467580][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.467701][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.470112][   T12] ------------[ cut here ]------------
| [   61.470250][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.470554][   T12] Modules linked in:
| [   61.470944][   T12] Tainted: [W]=WARN
[   61.471035][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.471186][   T12] Workqueue: netns cleanup_net
[   61.471312][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.471470][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.471915][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.472066][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7aeac0 RCX: 1ff4000000018eaf
[   61.472252][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7aeb7c
[   61.472431][   T12] RBP: ff1100000ff41000 R08: 1fe22000016f5d71 R09: ff11000001aed1d0
[   61.472622][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   61.472802][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091a4000
[   61.472995][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.473211][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.473363][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.473548][   T12] PKRU: 55555554
[   61.473638][   T12] Call Trace:
[   61.473728][   T12]  <TASK>
[   61.473791][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.473925][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.474046][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.474140][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.474260][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.474380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.474501][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.474625][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.474747][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.474909][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.475061][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.475181][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.475331][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.475451][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.475574][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.475726][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.475855][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.476036][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.476157][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.476277][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.476399][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.476522][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.476642][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.476767][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.476944][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.477130][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.477252][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.477372][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.477494][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.477618][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.477740][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.477918][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.478041][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.478166][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.478292][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.478412][   T12]  kthread (kernel/kthread.c:436)
[   61.478504][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.478657][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.478783][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.478984][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.479136][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.479257][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.479382][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.482291][   T12] ------------[ cut here ]------------
| [   61.482432][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.482679][   T12] Modules linked in:
| [   61.483074][   T12] Tainted: [W]=WARN
[   61.483169][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.483321][   T12] Workqueue: netns cleanup_net
[   61.483449][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.483611][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.484067][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.484221][   T12] RAX: 00000000ffffffa6 RBX: ff1100001034e580 RCX: 1ff4000000018eaf
[   61.484405][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001034e63c
[   61.484593][   T12] RBP: ff110000091a4000 R08: 1fe2200002069cc9 R09: ff11000001aed1d0
[   61.484790][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.484983][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007861000
[   61.485173][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.485389][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.485547][   T12] CR2: 000055dfefecaa78 CR3: 0000000009c29005 CR4: 0000000000771ef0
[   61.485734][   T12] PKRU: 55555554
[   61.485832][   T12] Call Trace:
[   61.485932][   T12]  <TASK>
[   61.485997][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.486120][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.486244][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.486338][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.486461][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.486587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.486710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.486837][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.486968][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.487121][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.487281][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.487403][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.487561][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.487684][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.487807][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.487973][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.488098][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.488223][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.488346][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.488473][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.488602][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.488726][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.488854][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.488982][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.489105][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.489228][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.489353][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.489476][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.489603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.489725][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.489855][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.489987][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.490110][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.490236][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.490363][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.490486][   T12]  kthread (kernel/kthread.c:436)
[   61.490579][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.490743][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.490882][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.491006][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.491157][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.491280][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.491402][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.500704][   T12] ------------[ cut here ]------------
| [   61.500844][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.501097][   T12] Modules linked in:
| [   61.501472][   T12] Tainted: [W]=WARN
[   61.501568][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.501722][   T12] Workqueue: netns cleanup_net
[   61.501857][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.502023][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.502459][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.502615][   T12] RAX: 00000000ffffffa6 RBX: ff1100001034f700 RCX: 1ff4000000018eaf
[   61.502796][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001034f7bc
[   61.502993][   T12] RBP: ff11000007861000 R08: 1fe2200002069ef9 R09: ff11000001aed1d0
[   61.503176][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.503359][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b04000
[   61.503546][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.503758][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.503923][   T12] CR2: 000055dfefecaa78 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.504108][   T12] PKRU: 55555554
[   61.504200][   T12] Call Trace:
[   61.504292][   T12]  <TASK>
[   61.504356][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.504480][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.504606][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.504700][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.504828][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.504958][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.505083][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.505206][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.505328][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.505483][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.505639][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.505761][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.505924][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.506047][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.506171][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.506324][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.506451][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.506582][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.506706][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.506836][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.506967][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.507093][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.507217][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.507339][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.507472][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.507599][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.507722][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.507849][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.507977][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.508099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.508224][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.508352][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.508474][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.508604][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.508731][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.508859][   T12]  kthread (kernel/kthread.c:436)
[   61.508956][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.509111][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.509233][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.509355][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.509510][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.509633][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.509755][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.512452][   T12] ------------[ cut here ]------------
| [   61.512576][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.512819][   T12] Modules linked in:
| [   61.513203][   T12] Tainted: [W]=WARN
[   61.513300][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.513455][   T12] Workqueue: netns cleanup_net
[   61.513584][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.513745][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.514194][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.514350][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c12b1c0 RCX: 1ff4000000018eaf
[   61.514538][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c12b27c
[   61.514722][   T12] RBP: ff11000009b04000 R08: 1fe2200001825651 R09: ff11000001aed1d0
[   61.514918][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.515102][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   61.515288][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.515507][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.515663][   T12] CR2: 000055dfefecaa78 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.515853][   T12] PKRU: 55555554
[   61.515950][   T12] Call Trace:
[   61.516041][   T12]  <TASK>
[   61.516105][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.516230][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.516356][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.516450][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.516578][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.516700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.516826][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.516956][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.517080][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.517235][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.517389][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.517517][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.517670][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.517794][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.517928][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.518083][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.518210][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.518334][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.518458][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.518584][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.518714][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.518843][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.518969][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.519090][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.519215][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.519340][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.519463][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.519589][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.519713][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.519842][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.519971][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.520100][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.520223][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.520355][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.520481][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.520606][   T12]  kthread (kernel/kthread.c:436)
[   61.520698][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.520860][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.520993][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.521117][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.521272][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.521395][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.521521][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.523595][   T12] ------------[ cut here ]------------
| [   61.523721][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.523974][   T12] Modules linked in:
| [   61.524335][   T12] Tainted: [W]=WARN
[   61.524424][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.524576][   T12] Workqueue: netns cleanup_net
[   61.524699][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.524861][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.525603][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.525754][   T12] RAX: 00000000ffffffa6 RBX: ff11000008dc7c40 RCX: 1ff4000000018ed5
[   61.525940][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc7cfc
[   61.526116][   T12] RBP: ff1100000efbc000 R08: 1fe22000011b8fa1 R09: ff11000001aed1d0
[   61.526295][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.526471][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.526652][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.526871][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.527022][   T12] CR2: 000055dfefecaa78 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.527204][   T12] PKRU: 55555554
[   61.527293][   T12] Call Trace:
[   61.527386][   T12]  <TASK>
[   61.527449][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.527605][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.527754][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.527889][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.528018][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.528171][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.528291][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.528410][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.528533][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.528653][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.528775][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.528905][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.529024][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.529144][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.529264][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.529384][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.529503][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.529627][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.529747][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.529879][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.530002][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.530120][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.530244][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.530368][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.530487][   T12]  kthread (kernel/kthread.c:436)
[   61.530580][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.530730][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.530854][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.530980][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.531133][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.531252][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.531373][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.533818][   T12] ------------[ cut here ]------------
| [   61.534407][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.534655][   T12] Modules linked in:
| [   61.535070][   T12] Tainted: [W]=WARN
[   61.535160][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.535308][   T12] Workqueue: netns cleanup_net
[   61.535431][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.535591][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.536073][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.536223][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d7fc580 RCX: 1ff4000000018ed5
[   61.536402][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7fc63c
[   61.536629][   T12] RBP: ff1100000ff41000 R08: 1fe2200001aff8c9 R09: ff11000001aed1d0
[   61.536807][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.537041][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.537226][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.537439][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.537592][   T12] CR2: 000055dfefecaa78 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.537771][   T12] PKRU: 55555554
[   61.537864][   T12] Call Trace:
[   61.538003][   T12]  <TASK>
[   61.538065][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.538218][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.538364][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.538484][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.538604][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.538755][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.538930][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.539051][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.539172][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.539294][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.539415][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.539538][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.539657][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.539777][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.539952][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.540075][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.540195][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.540316][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.540440][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.540566][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.540689][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.540818][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.540991][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.541115][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.541234][   T12]  kthread (kernel/kthread.c:436)
[   61.541324][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.541473][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.541597][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.541716][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.541922][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.542042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.542166][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.545040][   T12] ------------[ cut here ]------------
| [   61.545232][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.545470][   T12] Modules linked in:
| [   61.545853][   T12] Tainted: [W]=WARN
[   61.546010][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.546162][   T12] Workqueue: netns cleanup_net
[   61.546288][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.546443][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.546902][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.547050][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d7fd1c0 RCX: 1ff4000000018ed5
[   61.547226][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7fd27c
[   61.547403][   T12] RBP: ff110000091a4000 R08: 1fe2200001affa51 R09: ff11000001aed1d0
[   61.547581][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.547759][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.547950][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.548157][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.548310][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[   61.548490][   T12] PKRU: 55555554
[   61.548584][   T12] Call Trace:
[   61.548673][   T12]  <TASK>
[   61.548735][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.548901][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.549059][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.549177][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.549294][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.549452][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.549580][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.549700][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.549823][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.549950][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.550071][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.550191][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.550309][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.550429][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.550551][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.550671][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.550790][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.550920][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.551038][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.551159][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.551282][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.551401][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.551525][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.551649][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.551767][   T12]  kthread (kernel/kthread.c:436)
[   61.551862][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.552022][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.552142][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.552260][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.552408][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.552531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.552649][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.555118][   T12] ------------[ cut here ]------------
| [   61.555237][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.555467][   T12] Modules linked in:
| [   61.555835][   T12] Tainted: [W]=WARN
[   61.555934][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.556085][   T12] Workqueue: netns cleanup_net
[   61.556209][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.556362][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.556785][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.556952][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d7fde00 RCX: 1ff4000000018ed5
[   61.557129][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d7fdebc
[   61.557305][   T12] RBP: ff11000007861000 R08: 1fe2200001affbd9 R09: ff11000001aed1d0
[   61.557481][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.557660][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.557846][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.558056][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.558204][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[   61.558381][   T12] PKRU: 55555554
[   61.558469][   T12] Call Trace:
[   61.558562][   T12]  <TASK>
[   61.558625][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.558775][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.558934][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.559053][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.559170][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.559321][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.559440][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.559564][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.559686][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.559806][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.559937][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.560055][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.560172][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.560290][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.560411][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.560534][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.560655][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.560774][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.560904][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.561023][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.561144][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.561262][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.561385][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.561509][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.561627][   T12]  kthread (kernel/kthread.c:436)
[   61.561716][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.561872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.561992][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.562109][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.562257][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.562375][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.562493][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.576065][   T12] ------------[ cut here ]------------
| [   61.576199][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.576430][   T12] Modules linked in:
| [   61.576787][   T12] Tainted: [W]=WARN
[   61.577314][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.577462][   T12] Workqueue: netns cleanup_net
[   61.577587][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.577739][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.578217][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.578365][   T12] RAX: 00000000ffffffa6 RBX: ff11000010264580 RCX: 1ff4000000018ed5
[   61.578541][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001026463c
[   61.578715][   T12] RBP: ff11000009b04000 R08: 1fe220000204c8c9 R09: ff11000001aed1d0
[   61.578900][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.579079][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.579255][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.579464][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.579614][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[   61.579794][   T12] PKRU: 55555554
[   61.579891][   T12] Call Trace:
[   61.579980][   T12]  <TASK>
[   61.580041][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.580194][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.580339][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.580456][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.580574][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.580728][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.580854][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.580978][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.581099][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.581223][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.581341][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.581458][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.581578][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.581697][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.581820][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.581944][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.582062][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.582181][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.582298][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.582416][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.582541][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.582657][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.582778][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.582910][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.583028][   T12]  kthread (kernel/kthread.c:436)
[   61.583116][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.583262][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.583383][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.583500][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.583654][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.583771][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.583908][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.619855][   T12] ------------[ cut here ]------------
| [   61.619994][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.620251][   T12] Modules linked in:
| [   61.620651][   T12] Tainted: [W]=WARN
[   61.620749][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.620926][   T12] Workqueue: netns cleanup_net
[   61.621061][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.621231][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.621707][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   61.621881][   T12] RAX: 00000000ffffffa6 RBX: ff11000010264e40 RCX: 1ff4000000018ebc
[   61.622078][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010264efc
[   61.622271][   T12] RBP: ff1100000a874000 R08: 1fe220000204c9e1 R09: ff11000001aed1d0
[   61.622468][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   61.622667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.622874][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.623102][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.623267][   T12] CR2: 00007f5a0910c668 CR3: 0000000009747001 CR4: 0000000000771ef0
[   61.623464][   T12] PKRU: 55555554
[   61.623566][   T12] Call Trace:
[   61.623663][   T12]  <TASK>
[   61.623733][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.623879][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.623978][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   61.624108][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   61.624242][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   61.624371][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   61.624501][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.624637][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   61.624767][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.624911][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   61.625041][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.625172][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   61.625303][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   61.625432][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   61.625567][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   61.625666][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.625795][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   61.625939][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.626071][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.626205][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.626337][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.626466][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.626599][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.626729][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.626862][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.627000][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.627128][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.627258][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.627387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.627520][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.627654][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.627784][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.627925][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.628061][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.628191][   T12]  kthread (kernel/kthread.c:436)
[   61.628290][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.628449][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.628584][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.628717][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.628892][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.629022][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.629152][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.631415][   T12] ------------[ cut here ]------------
| [   61.631548][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.631802][   T12] Modules linked in:
| [   61.632541][   T12] Tainted: [W]=WARN
[   61.632636][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.632796][   T12] Workqueue: netns cleanup_net
[   61.632942][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.633107][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.633563][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   61.633726][   T12] RAX: 00000000ffffffa6 RBX: ff11000010265e00 RCX: 1ff4000000018ec0
[   61.633927][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010265ebc
[   61.634122][   T12] RBP: ff1100000a874000 R08: 1fe220000204cbd9 R09: ff11000001aed1d0
[   61.634314][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   61.634508][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   61.634702][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.634937][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.635098][   T12] CR2: 00007f5a0910c668 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.635287][   T12] PKRU: 55555554
[   61.635382][   T12] Call Trace:
[   61.635476][   T12]  <TASK>
[   61.635546][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.635673][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   61.635803][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   61.635942][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   61.636072][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   61.636233][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[   61.636364][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.636491][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   61.636621][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   61.636777][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[   61.636950][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.637086][   T12]  del_nbp (net/bridge/br_if.c:363)
[   61.637184][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.637310][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.637437][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.637568][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.637693][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.637822][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.637963][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.638094][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.638221][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.638347][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.638475][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.638605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.638732][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.638874][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.639002][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.639134][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.639265][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.639391][   T12]  kthread (kernel/kthread.c:436)
[   61.639486][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.639643][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.639770][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.639907][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.640066][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.640191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.640318][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.642375][   T12] ------------[ cut here ]------------
| [   61.642500][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.642756][   T12] Modules linked in:
| [   61.643665][   T12] Tainted: [W]=WARN
[   61.643763][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.643995][   T12] Workqueue: netns cleanup_net
[   61.644128][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.644294][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.644759][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[   61.644984][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90040 RCX: 1ff4000000018ebc
[   61.645175][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe900fc
[   61.645366][   T12] RBP: ff11000008e64000 R08: 1fe2200001fd2021 R09: ff11000001aed1d0
[   61.645564][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   61.645757][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.646014][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   61.646238][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.646401][   T12] CR2: 00007f96f1a66800 CR3: 00000000107d2002 CR4: 0000000000771ef0
[   61.646598][   T12] PKRU: 55555554
[   61.646696][   T12] Call Trace:
[   61.646792][   T12]  <TASK>
[   61.646862][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.647048][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.647146][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   61.647276][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   61.647405][   T12]  ? netdev_notice (net/core/dev.c:13008)
[   61.647538][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   61.647668][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.647798][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   61.647989][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.648119][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[   61.648248][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   61.648378][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[   61.648509][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   61.648640][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   61.648771][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   61.648928][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.649057][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.649220][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.649352][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.649481][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.649614][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.649743][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.649929][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.650059][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.650188][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.650320][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.650449][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.650581][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.650710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.650847][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.651032][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.651160][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.651293][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.651428][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.651560][   T12]  kthread (kernel/kthread.c:436)
[   61.651659][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.651823][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.652009][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.652138][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.652299][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.652430][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.652564][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.655993][   T12] ------------[ cut here ]------------
| [   61.656135][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.656385][   T12] Modules linked in:
| [   61.656769][   T12] Tainted: [W]=WARN
[   61.656885][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.657043][   T12] Workqueue: netns cleanup_net
[   61.657174][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.657338][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.657786][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[   61.657955][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8c580 RCX: 1ff4000000018ec0
[   61.658144][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8c63c
[   61.658331][   T12] RBP: ff11000008e64000 R08: 1fe22000019518c9 R09: ff11000001aed1d0
[   61.658520][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   61.658707][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   61.658909][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   61.659128][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.659287][   T12] CR2: 000055dfefedb8f0 CR3: 0000000009c29002 CR4: 0000000000771ef0
[   61.659477][   T12] PKRU: 55555554
[   61.659575][   T12] Call Trace:
[   61.659669][   T12]  <TASK>
[   61.659735][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.659876][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   61.660003][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   61.660131][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   61.660259][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   61.660422][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   61.660550][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   61.660706][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   61.660838][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.660974][   T12]  del_nbp (net/bridge/br_if.c:363)
[   61.661072][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[   61.661199][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   61.661328][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[   61.661455][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.661583][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.661709][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.661844][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.661978][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.662104][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.662229][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.662359][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.662486][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.662615][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.662747][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.662882][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.663016][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.663146][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.663274][   T12]  kthread (kernel/kthread.c:436)
[   61.663369][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.663529][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.663655][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.663787][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.663959][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.664085][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.664211][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.666524][   T12] ------------[ cut here ]------------
| [   61.666650][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.667093][   T12] Modules linked in:
| [   61.667458][   T12] Tainted: [W]=WARN
[   61.667550][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.667701][   T12] Workqueue: netns cleanup_net
[   61.667833][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.667997][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.668424][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   61.668581][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8d380 RCX: 1ff4000000018ec7
[   61.668762][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d43c
[   61.669036][   T12] RBP: ff1100001006a000 R08: 1fe2200001951a89 R09: ff11000001aed1d0
[   61.669215][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   61.669410][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[   61.669596][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   61.669806][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.669967][   T12] CR2: 000055dfefedb8f0 CR3: 0000000009c29002 CR4: 0000000000771ef0
[   61.670152][   T12] PKRU: 55555554
[   61.670243][   T12] Call Trace:
[   61.670340][   T12]  <TASK>
[   61.670402][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.670528][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.670620][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.670743][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.670876][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.671027][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.671176][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.671298][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.671448][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.671572][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.671693][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.671820][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.671946][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.672070][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.672192][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.672311][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.672440][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.672568][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.672690][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.672816][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.672940][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.673061][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.673182][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.673303][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.673427][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.673548][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.673674][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.673799][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.673934][   T12]  kthread (kernel/kthread.c:436)
[   61.674026][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.674175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.674296][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.674416][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.674571][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.674692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.674818][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.678797][   T12] ------------[ cut here ]------------
| [   61.678935][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.679164][   T12] Modules linked in:
| [   61.679518][   T12] Tainted: [W]=WARN
[   61.679607][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.679756][   T12] Workqueue: netns cleanup_net
[   61.679888][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.680041][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.680459][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.680611][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04b1c0 RCX: 1ff4000000018eed
[   61.680786][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b27c
[   61.680967][   T12] RBP: ff11000010094000 R08: 1fe2200001809651 R09: ff11000001aed1d0
[   61.681140][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.681316][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.681492][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   61.681698][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.681853][   T12] CR2: 000055dfefedb8f0 CR3: 0000000009c29002 CR4: 0000000000771ef0
[   61.682037][   T12] PKRU: 55555554
[   61.682123][   T12] Call Trace:
[   61.682210][   T12]  <TASK>
[   61.682271][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.682421][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.682568][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.682684][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.682802][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.683016][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.683136][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.683259][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.683376][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.683491][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.683614][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.683732][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.683855][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.684062][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.684180][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.684300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.684418][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.684542][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.684657][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.684777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.684994][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.685199][   T12]  kthread (kernel/kthread.c:436)
[   61.685286][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.685431][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.685549][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.685665][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.685809][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.686018][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.686134][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.689265][   T12] ------------[ cut here ]------------
| [   61.689397][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.689628][   T12] Modules linked in:
| [   61.689998][   T12] Tainted: [W]=WARN
[   61.690085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.690228][   T12] Workqueue: netns cleanup_net
[   61.690347][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.690497][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.690922][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.691071][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04bc40 RCX: 1ff4000000018eed
[   61.691242][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04bcfc
[   61.691414][   T12] RBP: ff11000009c54000 R08: 1fe22000018097a1 R09: ff11000001aed1d0
[   61.691589][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.691759][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.691971][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.692177][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.692319][   T12] CR2: 00007f5a08d40574 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.692492][   T12] PKRU: 55555554
[   61.692582][   T12] Call Trace:
[   61.692667][   T12]  <TASK>
[   61.692728][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.692891][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.693035][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.693150][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.693266][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.693385][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.693506][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.693623][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.693738][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.693857][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.693980][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.694095][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.694212][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.694326][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.694442][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.694569][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.694686][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.694805][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.694934][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.695053][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.695177][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.695291][   T12]  kthread (kernel/kthread.c:436)
[   61.695377][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.695521][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.695640][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.695755][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.695910][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.696024][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.696139][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.698358][   T12] ------------[ cut here ]------------
| [   61.698488][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.698725][   T12] Modules linked in:
| [   61.699107][   T12] Tainted: [W]=WARN
[   61.699195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.699340][   T12] Workqueue: netns cleanup_net
[   61.699461][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.699615][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.700035][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.700180][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04a040 RCX: 1ff4000000018eed
[   61.700351][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a0fc
[   61.700526][   T12] RBP: ff1100001091c000 R08: 1fe2200001809421 R09: ff11000001aed1d0
[   61.700697][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.700879][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.701051][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.701251][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.701401][   T12] CR2: 00007f5a08d40574 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.701575][   T12] PKRU: 55555554
[   61.701662][   T12] Call Trace:
[   61.701747][   T12]  <TASK>
[   61.701808][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.701967][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.702115][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.702230][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.702347][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.702461][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.702582][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.702698][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.702817][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.702939][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.703055][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.703171][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.703285][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.703400][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.703519][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.703632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.703747][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.703879][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.703997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.704116][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.704236][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.704350][   T12]  kthread (kernel/kthread.c:436)
[   61.704437][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.704585][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.704701][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.704823][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.704971][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.705087][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.705201][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.707432][   T12] ------------[ cut here ]------------
| [   61.707641][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.707963][   T12] Modules linked in:
| [   61.708316][   T12] Tainted: [W]=WARN
[   61.708403][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.708557][   T12] Workqueue: netns cleanup_net
[   61.708677][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.708832][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.709353][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.709597][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04b8c0 RCX: 1ff4000000018eed
[   61.709772][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b97c
[   61.710041][   T12] RBP: ff11000005af1000 R08: 1fe2200001809731 R09: ff11000001aed1d0
[   61.710216][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.710385][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.710562][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.710765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.711005][   T12] CR2: 00007f5a08d40574 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.711175][   T12] PKRU: 55555554
[   61.711260][   T12] Call Trace:
[   61.711345][   T12]  <TASK>
[   61.711410][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.711561][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.711704][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.711824][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.712033][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.712148][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.712264][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.712380][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.712494][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.712612][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.712726][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.712850][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.713054][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.713167][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.713282][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.713396][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.713517][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.713636][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.713751][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.713951][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.714075][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.714190][   T12]  kthread (kernel/kthread.c:436)
[   61.714276][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.714418][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.714536][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.714651][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.714796][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.714924][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.715040][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.717053][   T12] ------------[ cut here ]------------
| [   61.717171][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.717404][   T12] Modules linked in:
| [   61.717759][   T12] Tainted: [W]=WARN
[   61.717855][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.718439][   T12] Workqueue: netns cleanup_net
[   61.718564][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.718715][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.719183][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.719329][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04ba80 RCX: 1ff4000000018eed
[   61.719501][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04bb3c
[   61.719678][   T12] RBP: ff11000009d11000 R08: 1fe2200001809769 R09: ff11000001aed1d0
[   61.719856][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.720077][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.720251][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   61.720455][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.720651][   T12] CR2: 00007f5a08d40574 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   61.720827][   T12] PKRU: 55555554
[   61.720960][   T12] Call Trace:
[   61.721046][   T12]  <TASK>
[   61.721107][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.721255][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.721397][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.721515][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.721631][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.721745][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.721915][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.722034][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.722153][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.722273][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.722391][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.722514][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.722633][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.722748][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.722915][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.723031][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.723149][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.723269][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.723390][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.723515][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.723634][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.723755][   T12]  kthread (kernel/kthread.c:436)
[   61.723849][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.724039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.724160][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.724277][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.724422][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.724542][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.724659][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.727488][   T12] ------------[ cut here ]------------
| [   61.727657][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.727958][   T12] Modules linked in:
| [   61.728406][   T12] Tainted: [W]=WARN
[   61.728549][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.728743][   T12] Workqueue: netns cleanup_net
[   61.728935][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.729135][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.729607][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.729840][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0200 RCX: 1ff4000000018eed
[   61.730083][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa02bc
[   61.730306][   T12] RBP: ff1100001006a000 R08: 1fe2200001954059 R09: ff11000001aed1d0
[   61.730530][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.730753][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.731062][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.731358][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.731601][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.731845][   T12] PKRU: 55555554
[   61.731989][   T12] Call Trace:
[   61.732123][   T12]  <TASK>
[   61.732232][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.732442][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.732643][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.732822][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.733004][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.733178][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.733375][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.733546][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.733711][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.733894][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.734065][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.734231][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.734396][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.734566][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.734736][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.734922][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.735090][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.735258][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.735424][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.735601][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.735770][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.735958][   T12]  kthread (kernel/kthread.c:436)
[   61.736095][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.736287][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.736454][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.736628][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.736829][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.737008][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.737173][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.751602][   T12] ------------[ cut here ]------------
| [   61.751775][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.752080][   T12] Modules linked in:
| [   61.752585][   T12] Tainted: [W]=WARN
[   61.752726][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.752950][   T12] Workqueue: netns cleanup_net
[   61.753135][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.753343][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.753842][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.754066][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01380 RCX: 1ff4000000018eaf
[   61.754299][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0143c
[   61.754533][   T12] RBP: ff1100000a874000 R08: 1fe2200001340289 R09: ff11000001aed1d0
[   61.754767][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.755023][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff79000
[   61.755258][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.755524][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.755728][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.755986][   T12] PKRU: 55555554
[   61.756124][   T12] Call Trace:
[   61.756264][   T12]  <TASK>
[   61.756375][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.756555][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.756697][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.756894][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.757066][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.757237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.757413][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.757591][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.757793][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.758043][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.758215][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.758416][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.758625][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.758797][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.759019][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.759194][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.759367][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.759571][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.759744][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.759939][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.760111][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.760281][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.760450][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.760659][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.760840][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.761024][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.761195][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.761366][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.761538][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.761711][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.761908][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.762080][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.762256][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.762443][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.762619][   T12]  kthread (kernel/kthread.c:436)
[   61.762759][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.762992][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.763165][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.763336][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.763540][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.763711][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.763906][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.766323][   T12] ------------[ cut here ]------------
| [   61.766493][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.766786][   T12] Modules linked in:
| [   61.767795][   T12] Tainted: [W]=WARN
[   61.768007][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.768255][   T12] Workqueue: netns cleanup_net
[   61.768478][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.768740][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.769300][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.769565][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe91540 RCX: 1ff4000000018eaf
[   61.769930][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe915fc
[   61.770235][   T12] RBP: ff1100000ff79000 R08: 1fe2200001fd22c1 R09: ff11000001aed1d0
[   61.770515][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.770821][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008e64000
[   61.771131][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.771439][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.771725][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.772043][   T12] PKRU: 55555554
[   61.772206][   T12] Call Trace:
[   61.772344][   T12]  <TASK>
[   61.772455][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.772633][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.772804][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.772968][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.773139][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.773312][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.773481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.773657][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.773836][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.774050][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.774252][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.774423][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.774661][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.774846][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.775034][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.775240][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.775414][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.775595][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.775767][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.775963][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.776141][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.776313][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.776484][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.776659][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.776838][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.777027][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.777199][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.777372][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.777549][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.777751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.777948][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.778128][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.778301][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.778478][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.778662][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.778840][   T12]  kthread (kernel/kthread.c:436)
[   61.778996][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.779198][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.779371][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.779548][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.779751][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.779948][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.780124][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.783324][   T12] ------------[ cut here ]------------
| [   61.783494][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.783793][   T12] Modules linked in:
| [   61.784453][   T12] Tainted: [W]=WARN
[   61.784677][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.784949][   T12] Workqueue: netns cleanup_net
[   61.785178][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.785437][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.786001][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.786263][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9c40 RCX: 1ff4000000018eaf
[   61.786550][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9cfc
[   61.786836][   T12] RBP: ff11000008e64000 R08: 1fe22000021373a1 R09: ff11000001aed1d0
[   61.787147][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.787433][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b19000
[   61.787721][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.788053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.788303][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.788588][   T12] PKRU: 55555554
[   61.788775][   T12] Call Trace:
[   61.788984][   T12]  <TASK>
[   61.789144][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.789366][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.789589][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.789780][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.790017][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.790236][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.790455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.790681][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.790926][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.791182][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.791433][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.791693][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.791967][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.792188][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.792435][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.792695][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.792945][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.793171][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.793391][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.793618][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.793850][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.794086][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.794310][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.794538][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.794758][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.795002][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.795249][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.795463][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.795643][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.795823][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.796015][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.796206][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.796377][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.796565][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.796740][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.796932][   T12]  kthread (kernel/kthread.c:436)
[   61.797073][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.797278][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.797449][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.797628][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.797836][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.798020][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.798193][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.800621][   T12] ------------[ cut here ]------------
| [   61.800784][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.801103][   T12] Modules linked in:
| [   61.801585][   T12] Tainted: [W]=WARN
[   61.801726][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.802086][   T12] Workqueue: netns cleanup_net
[   61.802313][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.802577][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.803134][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.803387][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d6580 RCX: 1ff4000000018eaf
[   61.803672][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d663c
[   61.803977][   T12] RBP: ff11000009b19000 R08: 1fe2200001adacc9 R09: ff11000001aed1d0
[   61.804265][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.804552][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef5c000
[   61.804842][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.805169][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.805416][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.805703][   T12] PKRU: 55555554
[   61.805911][   T12] Call Trace:
[   61.806100][   T12]  <TASK>
[   61.806259][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.806479][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.806709][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.806923][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.807176][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.807397][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.807625][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.807856][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.808090][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.808341][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.808603][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.808832][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.809093][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.809312][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.809537][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.809829][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.810065][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.810288][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.810511][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.810738][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.811023][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.811296][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.811518][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.811847][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.812052][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.812224][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.812401][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.812580][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.812754][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.812951][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.813125][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.813303][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.813479][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.813660][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.813845][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.814032][   T12]  kthread (kernel/kthread.c:436)
[   61.814174][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.814376][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.814556][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.814733][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.814958][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.815131][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.815302][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.818530][   T12] ------------[ cut here ]------------
| [   61.818698][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.819224][   T12] Modules linked in:
| [   61.819801][   T12] Tainted: [W]=WARN
[   61.820022][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.820272][   T12] Workqueue: netns cleanup_net
[   61.820499][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.820764][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.821327][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.821582][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d21a580 RCX: 1ff4000000018eaf
[   61.821883][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d21a63c
[   61.822163][   T12] RBP: ff1100000ef5c000 R08: 1fe2200001a434c9 R09: ff11000001aed1d0
[   61.822476][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.822761][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   61.823063][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.823376][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.823637][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.823939][   T12] PKRU: 55555554
[   61.824126][   T12] Call Trace:
[   61.824312][   T12]  <TASK>
[   61.824472][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.824699][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.824944][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.825139][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.825360][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.825582][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.825803][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.826045][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.826266][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.826523][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.826775][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.827021][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.827269][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.827490][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.827714][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.827987][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.828232][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.828479][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.828724][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.828951][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.829125][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.829301][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.829471][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.829649][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.829831][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.830015][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.830187][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.830356][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.830533][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.830705][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.830903][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.831082][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.831255][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.831461][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.831648][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.831833][   T12]  kthread (kernel/kthread.c:436)
[   61.831985][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.832184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.832357][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.832536][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.832737][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.832933][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.833107][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.835666][   T12] ------------[ cut here ]------------
| [   61.835887][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.836169][   T12] Modules linked in:
| [   61.836635][   T12] Tainted: [W]=WARN
[   61.836773][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.837432][   T12] Workqueue: netns cleanup_net
[   61.837663][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.837933][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.838452][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.838699][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d21b1c0 RCX: 1ff4000000018ed5
[   61.838988][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d21b27c
[   61.839261][   T12] RBP: ff1100000a874000 R08: 1fe2200001a43651 R09: ff11000001aed1d0
[   61.839575][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.839854][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.840136][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.840437][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.840702][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.841049][   T12] PKRU: 55555554
[   61.841228][   T12] Call Trace:
[   61.841406][   T12]  <TASK>
[   61.841567][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.841823][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.842078][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.842289][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.842497][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.842748][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.842981][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.843194][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.843408][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.843629][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.843988][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.844297][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.844608][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.844826][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.845021][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.845187][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.845356][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.845530][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.845727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.845920][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.846122][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.846287][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.846457][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.846638][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.846806][   T12]  kthread (kernel/kthread.c:436)
[   61.846964][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.847158][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.847324][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.847491][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.847691][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.847913][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.848083][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.858963][   T12] ------------[ cut here ]------------
| [   61.859130][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.859417][   T12] Modules linked in:
| [   61.860857][   T12] Tainted: [W]=WARN
[   61.861106][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.861337][   T12] Workqueue: netns cleanup_net
[   61.861508][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.861716][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.862205][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.862404][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d21be00 RCX: 1ff4000000018ed5
[   61.862634][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d21bebc
[   61.862880][   T12] RBP: ff1100000ff79000 R08: 1fe2200001a437d9 R09: ff11000001aed1d0
[   61.863104][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.863356][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.863590][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.863852][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.864063][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.864290][   T12] PKRU: 55555554
[   61.864430][   T12] Call Trace:
[   61.864573][   T12]  <TASK>
[   61.864682][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.864908][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.865101][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.865268][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.865434][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.865644][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.865851][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.866034][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.866203][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.866371][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.866541][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.866708][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.866900][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.867067][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.867235][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.867402][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.867574][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.867744][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.867930][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.868100][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.868271][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.868436][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.868617][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.868786][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.868975][   T12]  kthread (kernel/kthread.c:436)
[   61.869113][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.869308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.869478][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.869652][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.869857][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.870035][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.870201][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.872888][   T12] ------------[ cut here ]------------
| [   61.873050][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.873324][   T12] Modules linked in:
| [   61.873781][   T12] Tainted: [W]=WARN
[   61.874038][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.874229][   T12] Workqueue: netns cleanup_net
[   61.874398][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.874609][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.875098][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.875293][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9380 RCX: 1ff4000000018ed5
[   61.875518][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b943c
[   61.875772][   T12] RBP: ff11000008e64000 R08: 1fe2200002137289 R09: ff11000001aed1d0
[   61.876021][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.876241][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.876464][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.876725][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.876943][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.877167][   T12] PKRU: 55555554
[   61.877304][   T12] Call Trace:
[   61.877439][   T12]  <TASK>
[   61.877582][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.877785][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.877999][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.878167][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.878335][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.878537][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.878706][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.878894][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.879061][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.879229][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.879398][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.879570][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.879736][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.879926][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.880096][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.880263][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.880428][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.880604][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.880770][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.880960][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.881133][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.881299][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.881470][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.881649][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.881824][   T12]  kthread (kernel/kthread.c:436)
[   61.881974][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.882170][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.882339][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.882540][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.882738][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.882928][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.883099][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.887554][   T12] ------------[ cut here ]------------
| [   61.887722][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.888027][   T12] Modules linked in:
| [   61.888488][   T12] Tainted: [W]=WARN
[   61.888633][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.888835][   T12] Workqueue: netns cleanup_net
[   61.889077][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.889329][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.889882][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.890127][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc26c80 RCX: 1ff4000000018ed5
[   61.890396][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc26d3c
[   61.890669][   T12] RBP: ff11000009b19000 R08: 1fe2200001b84da9 R09: ff11000001aed1d0
[   61.890958][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.891231][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.891499][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.891804][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.892096][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.892371][   T12] PKRU: 55555554
[   61.892559][   T12] Call Trace:
[   61.892768][   T12]  <TASK>
[   61.892945][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.893191][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.893430][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.893652][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.893890][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.894136][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.894348][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.894568][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.894782][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.895016][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.895234][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.895449][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.895666][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.895901][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.896122][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.896334][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.896529][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.896701][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.896892][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.897063][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.897235][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.897431][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.897611][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.897784][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.898003][   T12]  kthread (kernel/kthread.c:436)
[   61.898144][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.898341][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.898509][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.898683][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.898903][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.899069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.899238][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.902071][   T12] ------------[ cut here ]------------
| [   61.902231][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.902512][   T12] Modules linked in:
| [   61.903101][   T12] Tainted: [W]=WARN
[   61.903343][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.903631][   T12] Workqueue: netns cleanup_net
[   61.903923][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.904223][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.904796][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.905106][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc26040 RCX: 1ff4000000018ed5
[   61.905429][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc260fc
[   61.905741][   T12] RBP: ff1100000ef5c000 R08: 1fe2200001b84c21 R09: ff11000001aed1d0
[   61.906036][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.906272][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.906493][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.906755][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.906975][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.907201][   T12] PKRU: 55555554
[   61.907338][   T12] Call Trace:
[   61.907472][   T12]  <TASK>
[   61.907587][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.907788][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.908002][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.908168][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.908333][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.908535][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.908703][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.908889][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.909054][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.909221][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.909388][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.909560][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.909724][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.909912][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   61.910081][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.910247][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.910440][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.910616][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.910820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.911004][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.911176][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.911341][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.911517][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.911693][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.911882][   T12]  kthread (kernel/kthread.c:436)
[   61.912023][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.912218][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.912386][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.912558][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.912752][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.912939][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.913141][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.943772][   T12] ------------[ cut here ]------------
| [   61.943951][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.944229][   T12] Modules linked in:
| [   61.944688][   T12] Tainted: [W]=WARN
[   61.944830][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.945036][   T12] Workqueue: netns cleanup_net
[   61.945207][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.945407][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.945893][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.946088][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee503c0 RCX: 1ff4000000018eed
[   61.946309][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5047c
[   61.946531][   T12] RBP: ff1100001046c000 R08: 1fe2200001dca091 R09: ff11000001aed1d0
[   61.946752][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.947000][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.947225][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.947476][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.947675][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.947924][   T12] PKRU: 55555554
[   61.948058][   T12] Call Trace:
[   61.948190][   T12]  <TASK>
[   61.948298][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.948498][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.948705][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.948895][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.949063][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.949229][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.949395][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.949570][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.949740][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.949928][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.950099][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.950265][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.950428][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.950604][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.950799][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.950987][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.951156][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.951324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.951497][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.951676][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.951846][   T12]  kthread (kernel/kthread.c:436)
[   61.951995][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.952187][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.952352][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.952519][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.952716][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.952903][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.953068][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.955677][   T12] ------------[ cut here ]------------
| [   61.955842][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.956622][   T12] Modules linked in:
| [   61.957234][   T12] Tainted: [W]=WARN
[   61.957367][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.957569][   T12] Workqueue: netns cleanup_net
[   61.957742][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.957960][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.958423][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.958623][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee50ac0 RCX: 1ff4000000018eed
[   61.958848][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50b7c
[   61.959086][   T12] RBP: ff1100000f3f9000 R08: 1fe2200001dca171 R09: ff11000001aed1d0
[   61.959318][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.959539][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.959766][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.960034][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.960232][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.960452][   T12] PKRU: 55555554
[   61.960592][   T12] Call Trace:
[   61.960725][   T12]  <TASK>
[   61.960840][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.961054][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.961246][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.961412][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.961585][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.961748][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.961933][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.962100][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.962266][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.962429][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.962608][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.962780][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.962964][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.963132][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.963296][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.963462][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.963638][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.963802][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.964007][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.964182][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.964345][   T12]  kthread (kernel/kthread.c:436)
[   61.964513][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.964712][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.964902][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.965069][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.965265][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.965458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.965630][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.968350][   T12] ------------[ cut here ]------------
| [   61.968514][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.968806][   T12] Modules linked in:
| [   61.969762][   T12] Tainted: [W]=WARN
[   61.969964][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.970212][   T12] Workqueue: netns cleanup_net
[   61.970429][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.970685][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.971217][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.971455][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee511c0 RCX: 1ff4000000018eed
[   61.971725][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5127c
[   61.972010][   T12] RBP: ff1100000d58c000 R08: 1fe2200001dca251 R09: ff11000001aed1d0
[   61.972278][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.972548][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.972823][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.973130][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.973370][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.973645][   T12] PKRU: 55555554
[   61.973831][   T12] Call Trace:
[   61.974034][   T12]  <TASK>
[   61.974240][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.974455][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.974652][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.974829][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.975009][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.975173][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.975338][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.975505][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.975681][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.975853][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.976035][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.976206][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.976368][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.976538][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.976704][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.976894][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.977066][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.977230][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.977402][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.977582][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.977748][   T12]  kthread (kernel/kthread.c:436)
[   61.977901][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.978094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.978260][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.978427][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.978628][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.978794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.978978][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.981394][   T12] ------------[ cut here ]------------
| [   61.981562][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.981841][   T12] Modules linked in:
| [   61.983148][   T12] Tainted: [W]=WARN
[   61.983327][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.983571][   T12] Workqueue: netns cleanup_net
[   61.983787][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.984054][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.984566][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.984808][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee50e40 RCX: 1ff4000000018eed
[   61.985094][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50efc
[   61.985356][   T12] RBP: ff1100001267c000 R08: 1fe2200001dca1e1 R09: ff11000001aed1d0
[   61.985628][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.985916][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.986181][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   61.986473][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.986718][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   61.987007][   T12] PKRU: 55555554
[   61.987185][   T12] Call Trace:
[   61.987362][   T12]  <TASK>
[   61.987517][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.987760][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.988019][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.988229][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.988436][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.988653][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.988884][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.989097][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.989309][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.989519][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.989781][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.990052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.990314][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.990580][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.990842][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.991101][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.991265][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.991427][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.991603][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.991772][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.991955][   T12]  kthread (kernel/kthread.c:436)
[   61.992093][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.992286][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.992449][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.992619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.992819][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.992998][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.993161][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.995573][   T12] ------------[ cut here ]------------
| [   61.995729][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.996585][   T12] Modules linked in:
| [   61.997144][   T12] Tainted: [W]=WARN
[   61.997323][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.997565][   T12] Workqueue: netns cleanup_net
[   61.997777][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.998046][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.998554][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.998791][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee51000 RCX: 1ff4000000018eed
[   61.999077][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee510bc
[   61.999341][   T12] RBP: ff1100000a379000 R08: 1fe2200001dca219 R09: ff11000001aed1d0
[   61.999608][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.999893][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.000160][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.000450][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.000692][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.000975][   T12] PKRU: 55555554
[   62.001151][   T12] Call Trace:
[   62.001326][   T12]  <TASK>
[   62.001477][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.001723][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.001980][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   62.002189][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   62.002456][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.002702][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   62.002929][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.003095][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   62.003266][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.003427][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.003600][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.003764][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.003944][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.004110][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.004272][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.004437][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.004614][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.004776][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.004967][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.005136][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.005298][   T12]  kthread (kernel/kthread.c:436)
[   62.005433][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.005631][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.005797][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.005980][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.006170][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.006333][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.006495][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.009117][   T12] ------------[ cut here ]------------
| [   62.009275][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.009554][   T12] Modules linked in:
| [   62.010310][   T12] Tainted: [W]=WARN
[   62.010544][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.010831][   T12] Workqueue: netns cleanup_net
[   62.011096][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.011344][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.011860][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   62.012149][   T12] RAX: 00000000ffffffa6 RBX: ff110000126bf380 RCX: 1ff4000000018eed
[   62.012411][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf43c
[   62.012680][   T12] RBP: ff11000009434000 R08: 1fe22000024d7e89 R09: ff11000001aed1d0
[   62.012962][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.013225][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.013487][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.013784][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.014040][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.014303][   T12] PKRU: 55555554
[   62.014476][   T12] Call Trace:
[   62.014659][   T12]  <TASK>
[   62.014810][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.015073][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.015306][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   62.015520][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   62.015731][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.015962][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   62.016169][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.016377][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   62.016590][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.016795][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.017027][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.017238][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.017443][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.017659][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.017885][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.018097][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.018309][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.018519][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.018737][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.018972][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.019183][   T12]  kthread (kernel/kthread.c:436)
[   62.019360][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.019599][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.019807][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.020037][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.020273][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.020469][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.020638][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.023231][   T12] ------------[ cut here ]------------
| [   62.023390][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.023669][   T12] Modules linked in:
| [   62.024433][   T12] Tainted: [W]=WARN
[   62.024665][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.024967][   T12] Workqueue: netns cleanup_net
[   62.025325][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.025620][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.026153][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   62.026386][   T12] RAX: 00000000ffffffa6 RBX: ff110000126beac0 RCX: 1ff4000000018eed
[   62.026655][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126beb7c
[   62.026936][   T12] RBP: ff110000100c1000 R08: 1fe22000024d7d71 R09: ff11000001aed1d0
[   62.027197][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.027460][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.027728][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.028044][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.028280][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.028555][   T12] PKRU: 55555554
[   62.028731][   T12] Call Trace:
[   62.028928][   T12]  <TASK>
[   62.029080][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.029321][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.029561][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   62.029768][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   62.030001][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.030210][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   62.030419][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.030633][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   62.030850][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.031069][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.031279][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.031485][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.031694][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.031926][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.032137][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.032347][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.032565][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.032770][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.033007][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.033221][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.033450][   T12]  kthread (kernel/kthread.c:436)
[   62.033681][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.033995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.034249][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.034500][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.034790][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.035065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.035318][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.046738][   T12] ------------[ cut here ]------------
| [   62.046940][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.047215][   T12] Modules linked in:
| [   62.047669][   T12] Tainted: [W]=WARN
[   62.047807][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.048019][   T12] Workqueue: netns cleanup_net
[   62.048190][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.048390][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.048880][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   62.049075][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d6c80 RCX: 1ff4000000018eed
[   62.049292][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6d3c
[   62.049514][   T12] RBP: ff11000008edc000 R08: 1fe2200001adada9 R09: ff11000001aed1d0
[   62.049737][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.049981][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.050204][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.050453][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.050652][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.050898][   T12] PKRU: 55555554
[   62.051032][   T12] Call Trace:
[   62.051165][   T12]  <TASK>
[   62.051272][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.051468][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.051668][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   62.051841][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   62.052020][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.052188][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   62.052352][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.052523][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   62.052695][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.052880][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.053052][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.053220][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.053383][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.053558][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.053722][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.053911][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.054085][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.054249][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.054417][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.054592][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.054759][   T12]  kthread (kernel/kthread.c:436)
[   62.054917][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.055113][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.055277][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.055441][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.055640][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.055806][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.055994][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.058383][   T12] ------------[ cut here ]------------
| [   62.058544][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.058824][   T12] Modules linked in:
| [   62.059279][   T12] Tainted: [W]=WARN
[   62.059413][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.059611][   T12] Workqueue: netns cleanup_net
[   62.059783][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.060002][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.060456][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   62.060656][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d6ac0 RCX: 1ff4000000018eed
[   62.060897][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6b7c
[   62.061115][   T12] RBP: ff1100000ef8c000 R08: 1fe2200001adad71 R09: ff11000001aed1d0
[   62.061331][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.061555][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.061781][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.062047][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.062239][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.062460][   T12] PKRU: 55555554
[   62.062601][   T12] Call Trace:
[   62.062736][   T12]  <TASK>
[   62.062854][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.063066][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.063258][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   62.063422][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   62.063594][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.063758][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   62.063944][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.064110][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   62.064277][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.064439][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.064614][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.064779][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.064963][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.065129][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.065292][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.065461][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.065637][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.065800][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.065988][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.066158][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.066322][   T12]  kthread (kernel/kthread.c:436)
[   62.066457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.066654][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.066829][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.067012][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.067203][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.067367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.067533][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.069945][   T12] ------------[ cut here ]------------
| [   62.070104][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.070377][   T12] Modules linked in:
| [   62.070845][   T12] Tainted: [W]=WARN
[   62.070993][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.071182][   T12] Workqueue: netns cleanup_net
[   62.071350][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.071554][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.072035][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   62.072230][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d6740 RCX: 1ff4000000018eed
[   62.072450][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d67fc
[   62.072680][   T12] RBP: ff110000098ac000 R08: 1fe2200001adad01 R09: ff11000001aed1d0
[   62.072917][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.073135][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.073354][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.073614][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.073807][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.074048][   T12] PKRU: 55555554
[   62.074181][   T12] Call Trace:
[   62.074314][   T12]  <TASK>
[   62.074421][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.074624][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.074825][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   62.075003][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   62.075168][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.075330][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   62.075495][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.075667][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   62.075841][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.076015][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.076185][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.076350][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.076513][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.076683][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.076855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.077032][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.077204][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.077366][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.077539][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.077707][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.077893][   T12]  kthread (kernel/kthread.c:436)
[   62.078030][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.078225][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.078390][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.078560][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.078757][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.078943][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.079107][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.094335][ T1095] ------------[ cut here ]------------
| [   62.094483][ T1095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1095
| [   62.094739][ T1095] Modules linked in:
| [   62.095123][ T1095] Tainted: [W]=WARN
[   62.095223][ T1095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.095388][ T1095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.095563][ T1095] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.096037][ T1095] RSP: 0018:ffa0000003327a80 EFLAGS: 00010286
[   62.096203][ T1095] RAX: 00000000ffffffa6 RBX: ff1100000a16a900 RCX: 1ff4000000664f16
[   62.096399][ T1095] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a9bc
[   62.096598][ T1095] RBP: ff11000007f5c000 R08: 1fe220000142d539 R09: ff11000012562e80
[   62.096795][ T1095] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.097003][ T1095] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f5c000
[   62.097200][ T1095] FS:  00007f1e170d8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   62.097431][ T1095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.097601][ T1095] CR2: 00007f1e172e27d0 CR3: 000000000fef0003 CR4: 0000000000771ef0
[   62.097797][ T1095] PKRU: 55555554
[   62.097906][ T1095] Call Trace:
[   62.098003][ T1095]  <TASK>
[   62.098073][ T1095]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.098205][ T1095]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.098337][ T1095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.098437][ T1095]  register_netdevice (net/core/dev.c:11488)
[   62.098575][ T1095]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.098738][ T1095]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.098882][ T1095]  register_netdev (net/core/dev.c:11552)
[   62.099015][ T1095]  loopback_net_init (drivers/net/loopback.c:218)
[   62.099148][ T1095]  ops_init (net/core/net_namespace.c:137)
[   62.099249][ T1095]  setup_net (net/core/net_namespace.c:446)
[   62.099348][ T1095]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.099478][ T1095]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.099613][ T1095]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.099750][ T1095]  copy_net_ns (net/core/net_namespace.c:579)
[   62.099894][ T1095]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.100028][ T1095]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.100160][ T1095]  ksys_unshare (kernel/fork.c:3243)
[   62.100290][ T1095]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.100420][ T1095]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.100552][ T1095]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.100686][ T1095]  ? __ia32_sys_open (fs/open.c:1374)
[   62.100823][ T1095]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.100960][ T1095]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.101089][ T1095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.101217][ T1095]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.101348][ T1095]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.101477][ T1095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.101642][ T1095] RIP: 0033:0x7f1e1739abcb
[   62.101780][ T1095] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.102252][ T1095] RSP: 002b:00007ffee10e50b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.102451][ T1095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e1739abcb
[   62.102648][ T1095] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.102850][ T1095] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.103052][ T1095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee10e72e0
[   62.103246][ T1095] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee10e8847
| [   62.107466][ T1095] ------------[ cut here ]------------
| [   62.107607][ T1095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1095
| [   62.107879][ T1095] Modules linked in:
| [   62.108242][ T1095] Tainted: [W]=WARN
[   62.108340][ T1095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.108502][ T1095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.108674][ T1095] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.109147][ T1095] RSP: 0018:ffa0000003327918 EFLAGS: 00010286
[   62.109311][ T1095] RAX: 00000000ffffffa6 RBX: ff11000008dc71c0 RCX: 1ff4000000664ee9
[   62.109505][ T1095] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc727c
[   62.109701][ T1095] RBP: ff1100000a844000 R08: 1fe22000011b8e51 R09: ff11000012562e80
[   62.109905][ T1095] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.110097][ T1095] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a844000
[   62.110292][ T1095] FS:  00007f1e170d8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   62.110522][ T1095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.110684][ T1095] CR2: 00007f1e172e27d0 CR3: 000000000fef0003 CR4: 0000000000771ef0
[   62.110892][ T1095] PKRU: 55555554
[   62.110991][ T1095] Call Trace:
[   62.111088][ T1095]  <TASK>
[   62.111155][ T1095]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.111285][ T1095]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.111418][ T1095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.111520][ T1095]  register_netdevice (net/core/dev.c:11488)
[   62.111652][ T1095]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.111819][ T1095]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.111958][ T1095]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.112088][ T1095]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.112221][ T1095]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.112354][ T1095]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.112487][ T1095]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.112621][ T1095]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   62.112754][ T1095]  ops_init (net/core/net_namespace.c:137)
[   62.112861][ T1095]  setup_net (net/core/net_namespace.c:446)
[   62.112967][ T1095]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.113097][ T1095]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.113228][ T1095]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.113360][ T1095]  copy_net_ns (net/core/net_namespace.c:579)
[   62.113491][ T1095]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.113629][ T1095]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.113761][ T1095]  ksys_unshare (kernel/fork.c:3243)
[   62.113899][ T1095]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.114030][ T1095]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.114161][ T1095]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.114292][ T1095]  ? __ia32_sys_open (fs/open.c:1374)
[   62.114425][ T1095]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.114558][ T1095]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.114687][ T1095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.114821][ T1095]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.114956][ T1095]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.115084][ T1095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.115245][ T1095] RIP: 0033:0x7f1e1739abcb
[   62.115380][ T1095] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.115854][ T1095] RSP: 002b:00007ffee10e50b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.116057][ T1095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e1739abcb
[   62.116251][ T1095] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.116444][ T1095] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.116640][ T1095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee10e72e0
[   62.116839][ T1095] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee10e8847
| [   62.120668][ T1095] ------------[ cut here ]------------
| [   62.120803][ T1095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1095
| [   62.121077][ T1095] Modules linked in:
| [   62.121442][ T1095] Tainted: [W]=WARN
[   62.121545][ T1095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.121709][ T1095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.121894][ T1095] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.122366][ T1095] RSP: 0018:ffa00000033278f8 EFLAGS: 00010286
[   62.122535][ T1095] RAX: 00000000ffffffa6 RBX: ff1100000a8cf000 RCX: 1ff4000000664ee5
[   62.122733][ T1095] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf0bc
[   62.122940][ T1095] RBP: ff110000103c9000 R08: 1fe2200001519e19 R09: ff11000012562e80
[   62.123135][ T1095] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.123329][ T1095] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103c9000
[   62.123530][ T1095] FS:  00007f1e170d8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   62.123762][ T1095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.123939][ T1095] CR2: 00007f1e172e27d0 CR3: 000000000fef0003 CR4: 0000000000771ef0
[   62.124137][ T1095] PKRU: 55555554
[   62.124235][ T1095] Call Trace:
[   62.124332][ T1095]  <TASK>
[   62.124401][ T1095]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.124538][ T1095]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.124672][ T1095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.124773][ T1095]  register_netdevice (net/core/dev.c:11488)
[   62.124916][ T1095]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.125080][ T1095]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.125214][ T1095]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.125346][ T1095]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.125480][ T1095]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.125618][ T1095]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.125750][ T1095]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.125896][ T1095]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   62.126029][ T1095]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.126163][ T1095]  vti_init_net (net/ipv4/ip_vti.c:517)
[   62.126295][ T1095]  ops_init (net/core/net_namespace.c:137)
[   62.126396][ T1095]  setup_net (net/core/net_namespace.c:446)
[   62.126496][ T1095]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.126631][ T1095]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.126763][ T1095]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.126908][ T1095]  copy_net_ns (net/core/net_namespace.c:579)
[   62.127042][ T1095]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.127178][ T1095]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.127312][ T1095]  ksys_unshare (kernel/fork.c:3243)
[   62.127445][ T1095]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.127581][ T1095]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.127712][ T1095]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.127850][ T1095]  ? __ia32_sys_open (fs/open.c:1374)
[   62.127990][ T1095]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.128122][ T1095]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.128254][ T1095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.128387][ T1095]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.128523][ T1095]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.128653][ T1095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.128820][ T1095] RIP: 0033:0x7f1e1739abcb
[   62.128965][ T1095] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.129436][ T1095] RSP: 002b:00007ffee10e50b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.129639][ T1095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e1739abcb
[   62.129842][ T1095] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.130044][ T1095] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.130240][ T1095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee10e72e0
[   62.130437][ T1095] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee10e8847
| [   62.134527][ T1095] ------------[ cut here ]------------
| [   62.134666][ T1095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1095
| [   62.135425][ T1095] Modules linked in:
| [   62.135796][ T1095] Tainted: [W]=WARN
[   62.135958][ T1095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.136124][ T1095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.136294][ T1095] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.136761][ T1095] RSP: 0018:ffa0000003327a78 EFLAGS: 00010286
[   62.136992][ T1095] RAX: 00000000ffffffa6 RBX: ff110000105f2580 RCX: 1ff4000000664f15
[   62.137190][ T1095] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f263c
[   62.137387][ T1095] RBP: ff110000100c4000 R08: 1fe22000020be4c9 R09: ff11000012562e80
[   62.137641][ T1095] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.137845][ T1095] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100c4000
[   62.138097][ T1095] FS:  00007f1e170d8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   62.138328][ T1095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.138492][ T1095] CR2: 00007f1e172e27d0 CR3: 000000000fef0003 CR4: 0000000000771ef0
[   62.138694][ T1095] PKRU: 55555554
[   62.138792][ T1095] Call Trace:
[   62.138949][ T1095]  <TASK>
[   62.139017][ T1095]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.139147][ T1095]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.139277][ T1095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.139377][ T1095]  register_netdevice (net/core/dev.c:11488)
[   62.139513][ T1095]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.139675][ T1095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.139809][ T1095]  register_netdev (net/core/dev.c:11552)
[   62.140007][ T1095]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   62.140139][ T1095]  ops_init (net/core/net_namespace.c:137)
[   62.140239][ T1095]  setup_net (net/core/net_namespace.c:446)
[   62.140339][ T1095]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.140468][ T1095]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.140603][ T1095]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.140736][ T1095]  copy_net_ns (net/core/net_namespace.c:579)
[   62.140934][ T1095]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.141067][ T1095]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.141197][ T1095]  ksys_unshare (kernel/fork.c:3243)
[   62.141328][ T1095]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.141458][ T1095]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.141594][ T1095]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.141725][ T1095]  ? __ia32_sys_open (fs/open.c:1374)
[   62.141862][ T1095]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.142051][ T1095]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.142181][ T1095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.142309][ T1095]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.142439][ T1095]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.142573][ T1095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.142733][ T1095] RIP: 0033:0x7f1e1739abcb
[   62.142933][ T1095] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.143391][ T1095] RSP: 002b:00007ffee10e50b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.143588][ T1095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e1739abcb
[   62.143784][ T1095] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.144041][ T1095] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.144234][ T1095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee10e72e0
[   62.144427][ T1095] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee10e8847
| [   62.149310][   T12] ------------[ cut here ]------------
| [   62.149483][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.149780][   T12] Modules linked in:
| [   62.150778][   T12] Tainted: [W]=WARN
[   62.150990][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.151243][   T12] Workqueue: netns cleanup_net
[   62.151477][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.151741][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.152295][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   62.152554][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d132200 RCX: 1ff4000000018eaf
[   62.152844][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1322bc
[   62.153134][   T12] RBP: ff1100000a38c000 R08: 1fe2200001a26459 R09: ff11000001aed1d0
[   62.153410][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   62.153694][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009afc000
[   62.153994][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.154304][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.154559][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.154849][   T12] PKRU: 55555554
[   62.155046][   T12] Call Trace:
[   62.155232][   T12]  <TASK>
[   62.155389][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.155619][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.155811][   T12]  netif_close_many (net/core/dev.c:1804)
[   62.156059][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   62.156278][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   62.156532][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.156750][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   62.156994][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   62.157249][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.157501][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.157729][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.157970][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.158191][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.158410][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.158636][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.158863][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.159146][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.159364][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.159586][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.159805][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.160044][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.160262][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.160469][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.160647][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.160828][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.161010][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.161183][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.161356][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.161529][   T12]  kthread (kernel/kthread.c:436)
[   62.161669][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.161891][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.162067][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.162239][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.162437][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.162616][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.162787][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.173085][   T12] ------------[ cut here ]------------
| [   62.173261][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.173552][   T12] Modules linked in:
| [   62.174038][   T12] Tainted: [W]=WARN
[   62.174177][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.174375][   T12] Workqueue: netns cleanup_net
[   62.174553][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.174758][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.175263][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   62.175463][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d132900 RCX: 1ff4000000018eaf
[   62.175698][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1329bc
[   62.175946][   T12] RBP: ff11000009afc000 R08: 1fe2200001a26539 R09: ff11000001aed1d0
[   62.176173][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   62.176401][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d589000
[   62.176640][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.176919][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.177118][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.177347][   T12] PKRU: 55555554
[   62.177487][   T12] Call Trace:
[   62.177628][   T12]  <TASK>
[   62.177739][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.177951][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.178121][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.178262][   T12]  netif_close_many (net/core/dev.c:1804)
[   62.178433][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   62.178612][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   62.178812][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.179002][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   62.179173][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   62.179374][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.179583][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.179753][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.179948][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.180120][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.180288][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.180457][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.180638][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.180809][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.180998][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.181171][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.181344][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.181513][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.181687][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.181861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.182047][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.182222][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.182393][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.182578][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.182752][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.182942][   T12]  kthread (kernel/kthread.c:436)
[   62.183083][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.183281][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.183450][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.183625][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.183833][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.184013][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.184183][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.186611][   T12] ------------[ cut here ]------------
| [   62.186776][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.187086][   T12] Modules linked in:
| [   62.187550][   T12] Tainted: [W]=WARN
[   62.187688][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.188145][   T12] Workqueue: netns cleanup_net
[   62.188321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.188530][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.189029][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   62.189229][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1331c0 RCX: 1ff4000000018eaf
[   62.189455][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d13327c
[   62.189692][   T12] RBP: ff1100000d589000 R08: 1fe2200001a26651 R09: ff11000001aed1d0
[   62.189941][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   62.190171][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff61000
[   62.190400][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.190669][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.190887][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.191119][   T12] PKRU: 55555554
[   62.191257][   T12] Call Trace:
[   62.191394][   T12]  <TASK>
[   62.191503][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.191682][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.191860][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.192015][   T12]  netif_close_many (net/core/dev.c:1804)
[   62.192187][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   62.192357][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   62.192563][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.192731][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   62.192923][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   62.193126][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.193327][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.193496][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.193678][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.193858][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.194042][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.194212][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.194382][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.194560][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.194729][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.194922][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.195093][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.195260][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.195430][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.195608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.195779][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.195970][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.196139][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.196313][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.196486][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.196659][   T12]  kthread (kernel/kthread.c:436)
[   62.196798][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.197017][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.197187][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.197359][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.197569][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.197739][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.197931][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.200064][   T12] ------------[ cut here ]------------
| [   62.200224][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.200508][   T12] Modules linked in:
| [   62.200998][   T12] Tainted: [W]=WARN
[   62.201138][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.201336][   T12] Workqueue: netns cleanup_net
[   62.201512][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.201723][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.202225][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   62.202424][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d133a80 RCX: 1ff4000000018eaf
[   62.202658][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d133b3c
[   62.202903][   T12] RBP: ff1100000ff61000 R08: 1fe2200001a26769 R09: ff11000001aed1d0
[   62.203130][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   62.203359][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   62.203595][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.203861][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.204073][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.204305][   T12] PKRU: 55555554
[   62.204442][   T12] Call Trace:
[   62.204586][   T12]  <TASK>
[   62.204695][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.204886][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.205058][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.205200][   T12]  netif_close_many (net/core/dev.c:1804)
[   62.205371][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   62.205550][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   62.205747][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.205932][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   62.206104][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   62.206306][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.206504][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.206684][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.206863][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.207048][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.207218][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.207386][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.207563][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.207736][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.207924][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.208100][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.208271][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.208438][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.208618][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.208788][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.208980][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.209155][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.209326][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.209500][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.209682][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.209861][   T12]  kthread (kernel/kthread.c:436)
[   62.210014][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.210213][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.210383][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.210564][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.210763][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.210955][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.211127][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.213701][   T12] ------------[ cut here ]------------
| [   62.213889][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.214168][   T12] Modules linked in:
| [   62.214629][   T12] Tainted: [W]=WARN
[   62.214765][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.215460][   T12] Workqueue: netns cleanup_net
[   62.215688][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.215953][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.216463][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   62.216714][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31ae40 RCX: 1ff4000000018ed5
[   62.217003][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31aefc
[   62.217271][   T12] RBP: ff1100000a38c000 R08: 1fe2200001a635e1 R09: ff11000001aed1d0
[   62.217549][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.217886][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.218156][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.218452][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.218698][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.218990][   T12] PKRU: 55555554
[   62.219170][   T12] Call Trace:
[   62.219349][   T12]  <TASK>
[   62.219503][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.219754][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.220019][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.220231][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.220446][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.220663][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.220896][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.221109][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.221370][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.221621][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.221835][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.222015][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.222183][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.222347][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.222519][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.222691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.222882][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.223058][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.223224][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.223398][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.223577][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.223743][   T12]  kthread (kernel/kthread.c:436)
[   62.223901][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.224094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.224260][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.224428][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.224635][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.224802][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.224990][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.227737][   T12] ------------[ cut here ]------------
| [   62.228315][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   62.228649][   T12] Modules linked in:
| [   62.229218][   T12] Tainted: [W]=WARN
[   62.229402][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.229648][   T12] Workqueue: netns cleanup_net
[   62.229885][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.230137][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.230658][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   62.230923][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8cfe00 RCX: 1ff4000000018ed5
[   62.231188][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cfebc
[   62.231453][   T12] RBP: ff11000009afc000 R08: 1fe2200001519fd9 R09: ff11000001aed1d0
[   62.231725][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.232016][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.232285][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.232582][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.232831][   T12] CR2: 00007f09f226f000 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   62.233116][   T12] PKRU: 55555554
[   62.233295][   T12] Call Trace:
[   62.233474][   T12]  <TASK>
[   62.233655][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.233969][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.234233][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.234442][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.234666][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.234900][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.235115][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.235325][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.235544][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.235756][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.235990][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.236203][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.236416][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.236631][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.236850][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.237074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.237285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.237500][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.237718][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.237955][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.238168][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.238377][   T12]  kthread (kernel/kthread.c:436)
[   62.238564][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.238803][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.239037][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.239248][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.239491][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.239706][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.239941][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.249261][   T12] ------------[ cut here ]------------
| [   62.249397][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   62.249631][   T12] Modules linked in:
| [   62.250005][   T12] Tainted: [W]=WARN
[   62.250095][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.250243][   T12] Workqueue: netns cleanup_net
[   62.250366][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.250523][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.250960][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   62.251109][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8cfa80 RCX: 1ff4000000018ed5
[   62.251287][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cfb3c
[   62.251463][   T12] RBP: ff1100000d589000 R08: 1fe2200001519f69 R09: ff11000001aed1d0
[   62.251647][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.251824][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.252008][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   62.252218][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.252365][   T12] CR2: 00007f3cad2c8574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   62.252549][   T12] PKRU: 55555554
[   62.252638][   T12] Call Trace:
[   62.252726][   T12]  <TASK>
[   62.252788][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.252952][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.253101][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.253219][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.253341][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.253460][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.253581][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.253699][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.253828][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.253953][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.254071][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.254194][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.254313][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.254430][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.254552][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.254670][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.254790][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.254921][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.255039][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.255164][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.255288][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.255407][   T12]  kthread (kernel/kthread.c:436)
[   62.255501][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.255652][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.255771][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.255905][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.256058][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.256177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.256299][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.264825][   T12] ------------[ cut here ]------------
| [   62.264957][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   62.265189][   T12] Modules linked in:
| [   62.265548][   T12] Tainted: [W]=WARN
[   62.265637][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.265785][   T12] Workqueue: netns cleanup_net
[   62.265920][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.266072][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.266493][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   62.266650][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b727a80 RCX: 1ff4000000018ed5
[   62.266834][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b727b3c
[   62.267016][   T12] RBP: ff1100000ff61000 R08: 1fe22000016e4f69 R09: ff11000001aed1d0
[   62.267193][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.267370][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.267550][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   62.267760][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.267919][   T12] CR2: 00007f3cad2c8574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   62.268097][   T12] PKRU: 55555554
[   62.268186][   T12] Call Trace:
[   62.268274][   T12]  <TASK>
[   62.268336][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.268487][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.268636][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   62.268755][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.268884][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.269004][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.269128][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.269247][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.269371][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.269491][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.269612][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.269733][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.269857][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.269979][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.270098][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.270216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.270334][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.270457][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.270576][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.270700][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.270831][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.270955][   T12]  kthread (kernel/kthread.c:436)
[   62.271044][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.271192][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.271314][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.271432][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.271585][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.271702][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.271826][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.276988][ T1095] ------------[ cut here ]------------
| [   62.277130][ T1095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1095
| [   62.277390][ T1095] Modules linked in:
| [   62.277759][ T1095] Tainted: [W]=WARN
[   62.277861][ T1095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.278038][ T1095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.278209][ T1095] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.278673][ T1095] RSP: 0018:ffa0000003327a68 EFLAGS: 00010286
[   62.278845][ T1095] RAX: 00000000ffffffa6 RBX: ff1100000b726900 RCX: 1ff4000000664f13
[   62.279045][ T1095] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7269bc
[   62.279240][ T1095] RBP: ff1100000ecdc000 R08: 1fe22000016e4d39 R09: ff11000012562e80
[   62.279432][ T1095] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.279628][ T1095] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ecdc000
[   62.279829][ T1095] FS:  00007f1e170d8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   62.280066][ T1095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.280229][ T1095] CR2: 00007f1e172e27d0 CR3: 000000000fef0003 CR4: 0000000000771ef0
[   62.280427][ T1095] PKRU: 55555554
[   62.280526][ T1095] Call Trace:
[   62.280623][ T1095]  <TASK>
[   62.280690][ T1095]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.280827][ T1095]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.280965][ T1095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.281065][ T1095]  register_netdevice (net/core/dev.c:11488)
[   62.281197][ T1095]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.281362][ T1095]  register_netdev (net/core/dev.c:11552)
[   62.281491][ T1095]  sit_init_net (net/ipv6/sit.c:1860)
[   62.281627][ T1095]  ops_init (net/core/net_namespace.c:137)
[   62.281729][ T1095]  setup_net (net/core/net_namespace.c:446)
[   62.281831][ T1095]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.281968][ T1095]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.282097][ T1095]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.282229][ T1095]  copy_net_ns (net/core/net_namespace.c:579)
[   62.282360][ T1095]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.282493][ T1095]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.282629][ T1095]  ksys_unshare (kernel/fork.c:3243)
[   62.282759][ T1095]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.282899][ T1095]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.283029][ T1095]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.283160][ T1095]  ? __ia32_sys_open (fs/open.c:1374)
[   62.283292][ T1095]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.283423][ T1095]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.283553][ T1095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.283682][ T1095]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.283810][ T1095]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.283954][ T1095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.284115][ T1095] RIP: 0033:0x7f1e1739abcb
[   62.284250][ T1095] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.284716][ T1095] RSP: 002b:00007ffee10e50b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.284925][ T1095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e1739abcb
[   62.285118][ T1095] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.285310][ T1095] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.285505][ T1095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee10e72e0
[   62.285701][ T1095] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee10e8847
| [   62.290358][ T1095] ------------[ cut here ]------------
| [   62.290493][ T1095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1095
| [   62.290754][ T1095] Modules linked in:
| [   62.291132][ T1095] Tainted: [W]=WARN
[   62.291232][ T1095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.291394][ T1095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.291565][ T1095] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.292040][ T1095] RSP: 0018:ffa0000003327a78 EFLAGS: 00010286
[   62.292204][ T1095] RAX: 00000000ffffffa6 RBX: ff1100000c2db380 RCX: 1ff4000000664f15
[   62.292396][ T1095] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2db43c
[   62.292592][ T1095] RBP: ff1100001089c000 R08: 1fe220000185b689 R09: ff11000012562e80
[   62.292787][ T1095] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.292995][ T1095] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001089c000
[   62.293191][ T1095] FS:  00007f1e170d8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   62.293418][ T1095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.293584][ T1095] CR2: 00007f1e172e27d0 CR3: 000000000fef0003 CR4: 0000000000771ef0
[   62.293782][ T1095] PKRU: 55555554
[   62.293889][ T1095] Call Trace:
[   62.293986][ T1095]  <TASK>
[   62.294053][ T1095]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.294183][ T1095]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.294314][ T1095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.294413][ T1095]  register_netdevice (net/core/dev.c:11488)
[   62.294547][ T1095]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.294710][ T1095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.294849][ T1095]  register_netdev (net/core/dev.c:11552)
[   62.294986][ T1095]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   62.295117][ T1095]  ops_init (net/core/net_namespace.c:137)
[   62.295216][ T1095]  setup_net (net/core/net_namespace.c:446)
[   62.295316][ T1095]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.295444][ T1095]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.295579][ T1095]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.295712][ T1095]  copy_net_ns (net/core/net_namespace.c:579)
[   62.295848][ T1095]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.295986][ T1095]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.296117][ T1095]  ksys_unshare (kernel/fork.c:3243)
[   62.296246][ T1095]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.296376][ T1095]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.296509][ T1095]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.296641][ T1095]  ? __ia32_sys_open (fs/open.c:1374)
[   62.296774][ T1095]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.296913][ T1095]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.297042][ T1095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.297172][ T1095]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.297302][ T1095]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.297432][ T1095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.297597][ T1095] RIP: 0033:0x7f1e1739abcb
[   62.297731][ T1095] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.298204][ T1095] RSP: 002b:00007ffee10e50b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.298402][ T1095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e1739abcb
[   62.298599][ T1095] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.298793][ T1095] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.299000][ T1095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee10e72e0
[   62.299195][ T1095] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee10e8847
| [   62.323599][ T1096] ------------[ cut here ]------------
| [   62.323780][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   62.324103][ T1096] Modules linked in:
| [   62.324568][ T1096] Tainted: [W]=WARN
[   62.324716][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.324954][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.325171][ T1096] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.325693][ T1096] RSP: 0018:ffa0000003327020 EFLAGS: 00010286
[   62.325937][ T1096] RAX: 00000000ffffffa6 RBX: ff110000026e5000 RCX: 1ff4000000664dca
[   62.326178][ T1096] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000026e50bc
[   62.326417][ T1096] RBP: ff11000007f5c000 R08: 1fe22000004dca19 R09: ff11000012565158
[   62.326665][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   62.326929][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.327179][ T1096] FS:  00007f3ee3ba7840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.327450][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.327666][ T1096] CR2: 00000000059d9988 CR3: 00000000125c7004 CR4: 0000000000771ef0
[   62.328018][ T1096] PKRU: 55555554
[   62.328226][ T1096] Call Trace:
[   62.328434][ T1096]  <TASK>
[   62.328625][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.328902][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.329065][ T1096]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.329240][ T1096]  __dev_notify_flags (net/core/dev.c:9787)
[   62.329431][ T1096]  ? netif_change_name (net/core/dev.c:1495)
[   62.329618][ T1096]  ? __dev_change_flags (net/core/dev.c:9752)
[   62.329798][ T1096]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   62.329995][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.330176][ T1096]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   62.330356][ T1096]  netif_change_flags (net/core/dev.c:9820)
[   62.330538][ T1096]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.330715][ T1096]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   62.330919][ T1096]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   62.331100][ T1096]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   62.331315][ T1096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.331491][ T1096]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.331678][ T1096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.331863][ T1096]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.332055][ T1096]  ? __kernel_text_address (kernel/extable.c:79)
[   62.332235][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.332415][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.332600][ T1096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.332780][ T1096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.332975][ T1096]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.333153][ T1096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.333331][ T1096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.333512][ T1096]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.333698][ T1096]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   62.333896][ T1096]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   62.334076][ T1096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.334255][ T1096]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   62.334436][ T1096]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   62.334624][ T1096]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.334806][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.335007][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.335185][ T1096]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.335360][ T1096]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.335540][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.335720][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.335917][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.336097][ T1096]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.336275][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.336456][ T1096]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.336643][ T1096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.336827][ T1096]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.337017][ T1096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.337194][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.337375][ T1096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.337559][ T1096]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.337738][ T1096]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.337938][ T1096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.338117][ T1096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.338299][ T1096]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.338476][ T1096]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.338661][ T1096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.338849][ T1096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.339039][ T1096]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.339223][ T1096]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.339403][ T1096]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.339590][ T1096]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.339770][ T1096]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.339971][ T1096]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.340147][ T1096]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.340354][ T1096]  ? move_addr_to_kernel (net/socket.c:258)
[   62.340538][ T1096]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.340718][ T1096]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.340920][ T1096]  ___sys_sendmsg (net/socket.c:2752)
[   62.341100][ T1096]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.341309][ T1096]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.341497][ T1096]  __sys_sendmsg (net/socket.c:2784)
[   62.341684][ T1096]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.341882][ T1096]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.342100][ T1096]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.342280][ T1096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.342458][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.342644][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.342826][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.343018][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.343227][ T1096] RIP: 0033:0x7f3ee3de108e
[   62.343413][ T1096] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.343946][ T1096] RSP: 002b:00007ffc0d4e4780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.344188][ T1096] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3ee3de108e
[   62.344432][ T1096] RDX: 0000000000000000 RSI: 00007ffc0d4e4830 RDI: 0000000000000005
[   62.344681][ T1096] RBP: 00007ffc0d4e4790 R08: 0000000000000000 R09: 0000000000000000
[   62.344938][ T1096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2a
[   62.345180][ T1096] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0d4e4f00
| [   62.547074][ T1104] ------------[ cut here ]------------
| [   62.547231][ T1104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1104
| [   62.547496][ T1104] Modules linked in:
| [   62.547882][ T1104] Tainted: [W]=WARN
[   62.547984][ T1104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.548149][ T1104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.548321][ T1104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.548787][ T1104] RSP: 0018:ffa0000003387a80 EFLAGS: 00010286
[   62.549470][ T1104] RAX: 00000000ffffffa6 RBX: ff1100000516ce40 RCX: 1ff4000000670f16
[   62.549672][ T1104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000516cefc
[   62.549878][ T1104] RBP: ff11000010bfc000 R08: 1fe2200000a2d9e1 R09: ff11000006198b80
[   62.550074][ T1104] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.550269][ T1104] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bfc000
[   62.550469][ T1104] FS:  00007ff0d4433840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   62.550700][ T1104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.550875][ T1104] CR2: 00007ff0d463a430 CR3: 000000000bbc0003 CR4: 0000000000771ef0
[   62.551071][ T1104] PKRU: 55555554
[   62.551169][ T1104] Call Trace:
[   62.551266][ T1104]  <TASK>
[   62.551335][ T1104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.551466][ T1104]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.551601][ T1104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.551701][ T1104]  register_netdevice (net/core/dev.c:11488)
[   62.551839][ T1104]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.552007][ T1104]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.552139][ T1104]  register_netdev (net/core/dev.c:11552)
[   62.552269][ T1104]  loopback_net_init (drivers/net/loopback.c:218)
[   62.552401][ T1104]  ops_init (net/core/net_namespace.c:137)
[   62.552502][ T1104]  setup_net (net/core/net_namespace.c:446)
[   62.552606][ T1104]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.552737][ T1104]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.552878][ T1104]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.553012][ T1104]  copy_net_ns (net/core/net_namespace.c:579)
[   62.553143][ T1104]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.553276][ T1104]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.553406][ T1104]  ksys_unshare (kernel/fork.c:3243)
[   62.553541][ T1104]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.553671][ T1104]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.553801][ T1104]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.553942][ T1104]  ? __ia32_sys_open (fs/open.c:1374)
[   62.554075][ T1104]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.554204][ T1104]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.554334][ T1104]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.554462][ T1104]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.554597][ T1104]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.554726][ T1104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.554897][ T1104] RIP: 0033:0x7ff0d46f5bcb
[   62.555034][ T1104] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.555495][ T1104] RSP: 002b:00007ffc19b84c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.555694][ T1104] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff0d46f5bcb
[   62.555898][ T1104] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.556093][ T1104] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.556289][ T1104] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc19b86e50
[   62.556483][ T1104] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc19b88847
| [   62.560672][ T1104] ------------[ cut here ]------------
| [   62.560809][ T1104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1104
| [   62.561083][ T1104] Modules linked in:
| [   62.561448][ T1104] Tainted: [W]=WARN
[   62.561550][ T1104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.561714][ T1104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.561893][ T1104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.562355][ T1104] RSP: 0018:ffa0000003387918 EFLAGS: 00010286
[   62.562521][ T1104] RAX: 00000000ffffffa6 RBX: ff1100000f1b63c0 RCX: 1ff4000000670ee9
[   62.562716][ T1104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b647c
[   62.562922][ T1104] RBP: ff1100000fd64000 R08: 1fe2200001e36c91 R09: ff11000006198b80
[   62.563116][ T1104] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.563312][ T1104] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd64000
[   62.563510][ T1104] FS:  00007ff0d4433840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   62.563739][ T1104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.563912][ T1104] CR2: 00007ff0d463a430 CR3: 000000000bbc0003 CR4: 0000000000771ef0
[   62.564107][ T1104] PKRU: 55555554
[   62.564206][ T1104] Call Trace:
[   62.564302][ T1104]  <TASK>
[   62.564370][ T1104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.564500][ T1104]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.564634][ T1104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.564734][ T1104]  register_netdevice (net/core/dev.c:11488)
[   62.564875][ T1104]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.565038][ T1104]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.565173][ T1104]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.565304][ T1104]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.565434][ T1104]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.565569][ T1104]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.565699][ T1104]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.565834][ T1104]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   62.565975][ T1104]  ops_init (net/core/net_namespace.c:137)
[   62.566076][ T1104]  setup_net (net/core/net_namespace.c:446)
[   62.566175][ T1104]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.566305][ T1104]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.566435][ T1104]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.566570][ T1104]  copy_net_ns (net/core/net_namespace.c:579)
[   62.566701][ T1104]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.566838][ T1104]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.566974][ T1104]  ksys_unshare (kernel/fork.c:3243)
[   62.567104][ T1104]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.567234][ T1104]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.567364][ T1104]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.567494][ T1104]  ? __ia32_sys_open (fs/open.c:1374)
[   62.567629][ T1104]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.567758][ T1104]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.567896][ T1104]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.568028][ T1104]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.568157][ T1104]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.568287][ T1104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.568449][ T1104] RIP: 0033:0x7ff0d46f5bcb
[   62.568586][ T1104] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.569062][ T1104] RSP: 002b:00007ffc19b84c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.569257][ T1104] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff0d46f5bcb
[   62.569449][ T1104] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.569644][ T1104] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.569845][ T1104] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc19b86e50
[   62.570040][ T1104] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc19b88847
| [   62.573829][ T1104] ------------[ cut here ]------------
| [   62.573973][ T1104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1104
| [   62.574234][ T1104] Modules linked in:
| [   62.574606][ T1104] Tainted: [W]=WARN
[   62.574706][ T1104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.574881][ T1104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.575052][ T1104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.575521][ T1104] RSP: 0018:ffa00000033878f8 EFLAGS: 00010286
[   62.575689][ T1104] RAX: 00000000ffffffa6 RBX: ff1100000f1b6200 RCX: 1ff4000000670ee5
[   62.575898][ T1104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b62bc
[   62.576096][ T1104] RBP: ff110000103bc000 R08: 1fe2200001e36c59 R09: ff11000006198b80
[   62.576293][ T1104] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.576492][ T1104] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103bc000
[   62.576696][ T1104] FS:  00007ff0d4433840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   62.576936][ T1104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.577100][ T1104] CR2: 00007ff0d463a430 CR3: 000000000bbc0003 CR4: 0000000000771ef0
[   62.577299][ T1104] PKRU: 55555554
[   62.577399][ T1104] Call Trace:
[   62.577497][ T1104]  <TASK>
[   62.577568][ T1104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.577702][ T1104]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.577839][ T1104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.577945][ T1104]  register_netdevice (net/core/dev.c:11488)
[   62.578080][ T1104]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.578245][ T1104]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.578380][ T1104]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.578516][ T1104]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.578649][ T1104]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.578784][ T1104]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.578928][ T1104]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.579062][ T1104]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   62.579197][ T1104]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.579331][ T1104]  vti_init_net (net/ipv4/ip_vti.c:517)
[   62.579464][ T1104]  ops_init (net/core/net_namespace.c:137)
[   62.579570][ T1104]  setup_net (net/core/net_namespace.c:446)
[   62.579670][ T1104]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.579802][ T1104]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.579945][ T1104]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.580080][ T1104]  copy_net_ns (net/core/net_namespace.c:579)
[   62.580214][ T1104]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.580351][ T1104]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.580484][ T1104]  ksys_unshare (kernel/fork.c:3243)
[   62.580617][ T1104]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.580749][ T1104]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.580893][ T1104]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.581026][ T1104]  ? __ia32_sys_open (fs/open.c:1374)
[   62.581159][ T1104]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.581293][ T1104]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.581423][ T1104]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.581556][ T1104]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.581777][ T1104]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.581919][ T1104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.582082][ T1104] RIP: 0033:0x7ff0d46f5bcb
[   62.582220][ T1104] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.582783][ T1104] RSP: 002b:00007ffc19b84c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.583079][ T1104] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff0d46f5bcb
[   62.583274][ T1104] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.583470][ T1104] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.583758][ T1104] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc19b86e50
[   62.583964][ T1104] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc19b88847
| [   62.588170][ T1104] ------------[ cut here ]------------
| [   62.588390][ T1104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1104
| [   62.588651][ T1104] Modules linked in:
| [   62.589111][ T1104] Tainted: [W]=WARN
[   62.589209][ T1104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.589372][ T1104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.589638][ T1104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.590204][ T1104] RSP: 0018:ffa0000003387a78 EFLAGS: 00010286
[   62.590368][ T1104] RAX: 00000000ffffffa6 RBX: ff1100000efa0c80 RCX: 1ff4000000670f15
[   62.590566][ T1104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa0d3c
[   62.590854][ T1104] RBP: ff11000009681000 R08: 1fe2200001df41a9 R09: ff11000006198b80
[   62.591053][ T1104] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.591247][ T1104] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009681000
[   62.591534][ T1104] FS:  00007ff0d4433840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   62.591761][ T1104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.591935][ T1104] CR2: 00007ff0d463a430 CR3: 000000000bbc0003 CR4: 0000000000771ef0
[   62.592132][ T1104] PKRU: 55555554
[   62.592229][ T1104] Call Trace:
[   62.592326][ T1104]  <TASK>
[   62.592393][ T1104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.592613][ T1104]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.592743][ T1104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.592849][ T1104]  register_netdevice (net/core/dev.c:11488)
[   62.592988][ T1104]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.593235][ T1104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.593367][ T1104]  register_netdev (net/core/dev.c:11552)
[   62.593499][ T1104]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   62.593634][ T1104]  ops_init (net/core/net_namespace.c:137)
[   62.593824][ T1104]  setup_net (net/core/net_namespace.c:446)
[   62.593928][ T1104]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.594058][ T1104]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.594187][ T1104]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.594406][ T1104]  copy_net_ns (net/core/net_namespace.c:579)
[   62.594541][ T1104]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.594673][ T1104]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.594803][ T1104]  ksys_unshare (kernel/fork.c:3243)
[   62.595028][ T1104]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.595160][ T1104]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.595288][ T1104]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.595419][ T1104]  ? __ia32_sys_open (fs/open.c:1374)
[   62.595639][ T1104]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.595768][ T1104]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.595909][ T1104]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.596038][ T1104]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.596254][ T1104]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.596383][ T1104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.596547][ T1104] RIP: 0033:0x7ff0d46f5bcb
[   62.596683][ T1104] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.597246][ T1104] RSP: 002b:00007ffc19b84c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.597536][ T1104] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff0d46f5bcb
[   62.597731][ T1104] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.597935][ T1104] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.598219][ T1104] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc19b86e50
[   62.598413][ T1104] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc19b88847
| [   62.603052][ T1104] ------------[ cut here ]------------
| [   62.603188][ T1104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1104
| [   62.603447][ T1104] Modules linked in:
| [   62.603813][ T1104] Tainted: [W]=WARN
[   62.603924][ T1104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.604089][ T1104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.604258][ T1104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.604822][ T1104] RSP: 0018:ffa0000003387a68 EFLAGS: 00010286
[   62.604994][ T1104] RAX: 00000000ffffffa6 RBX: ff11000010abae40 RCX: 1ff4000000670f13
[   62.605278][ T1104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abaefc
[   62.605471][ T1104] RBP: ff11000012409000 R08: 1fe22000021575e1 R09: ff11000006198b80
[   62.605670][ T1104] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.605961][ T1104] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012409000
[   62.606159][ T1104] FS:  00007ff0d4433840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   62.606475][ T1104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.606642][ T1104] CR2: 00007ff0d463a430 CR3: 000000000bbc0003 CR4: 0000000000771ef0
[   62.606844][ T1104] PKRU: 55555554
[   62.607534][ T1104] Call Trace:
[   62.607635][ T1104]  <TASK>
[   62.607704][ T1104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.607838][ T1104]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.608025][ T1104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.608125][ T1104]  register_netdevice (net/core/dev.c:11488)
[   62.608257][ T1104]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.608422][ T1104]  register_netdev (net/core/dev.c:11552)
[   62.608553][ T1104]  sit_init_net (net/ipv6/sit.c:1860)
[   62.608686][ T1104]  ops_init (net/core/net_namespace.c:137)
[   62.608787][ T1104]  setup_net (net/core/net_namespace.c:446)
[   62.608948][ T1104]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.609077][ T1104]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.609208][ T1104]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.609342][ T1104]  copy_net_ns (net/core/net_namespace.c:579)
[   62.609475][ T1104]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.609613][ T1104]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.609800][ T1104]  ksys_unshare (kernel/fork.c:3243)
[   62.609992][ T1104]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.610122][ T1104]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.610253][ T1104]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.610385][ T1104]  ? __ia32_sys_open (fs/open.c:1374)
[   62.610521][ T1104]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.610651][ T1104]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.610782][ T1104]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.610972][ T1104]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.611103][ T1104]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.611234][ T1104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.611395][ T1104] RIP: 0033:0x7ff0d46f5bcb
[   62.611534][ T1104] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.612065][ T1104] RSP: 002b:00007ffc19b84c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.612261][ T1104] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff0d46f5bcb
[   62.612455][ T1104] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.612653][ T1104] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.612853][ T1104] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc19b86e50
[   62.613105][ T1104] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc19b88847
| [   62.623521][ T1104] ------------[ cut here ]------------
| [   62.623669][ T1104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1104
| [   62.624202][ T1104] Modules linked in:
| [   62.624573][ T1104] Tainted: [W]=WARN
[   62.624671][ T1104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.624838][ T1104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.625014][ T1104] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.625477][ T1104] RSP: 0018:ffa0000003387a78 EFLAGS: 00010286
[   62.625646][ T1104] RAX: 00000000ffffffa6 RBX: ff110000105f2c80 RCX: 1ff4000000670f15
[   62.625848][ T1104] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2d3c
[   62.626048][ T1104] RBP: ff11000001dd4000 R08: 1fe22000020be5a9 R09: ff11000006198b80
[   62.626246][ T1104] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   62.626441][ T1104] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd4000
[   62.626641][ T1104] FS:  00007ff0d4433840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   62.626882][ T1104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.627048][ T1104] CR2: 000055dfefec9870 CR3: 000000000bbc0006 CR4: 0000000000771ef0
[   62.627245][ T1104] PKRU: 55555554
[   62.627342][ T1104] Call Trace:
[   62.627440][ T1104]  <TASK>
[   62.627511][ T1104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.627643][ T1104]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.627774][ T1104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.627885][ T1104]  register_netdevice (net/core/dev.c:11488)
[   62.628019][ T1104]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.628182][ T1104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.628317][ T1104]  register_netdev (net/core/dev.c:11552)
[   62.628449][ T1104]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   62.628584][ T1104]  ops_init (net/core/net_namespace.c:137)
[   62.628684][ T1104]  setup_net (net/core/net_namespace.c:446)
[   62.628785][ T1104]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.628929][ T1104]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.629061][ T1104]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.629194][ T1104]  copy_net_ns (net/core/net_namespace.c:579)
[   62.629327][ T1104]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.629462][ T1104]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.629598][ T1104]  ksys_unshare (kernel/fork.c:3243)
[   62.629730][ T1104]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.629873][ T1104]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.630005][ T1104]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.630136][ T1104]  ? __ia32_sys_open (fs/open.c:1374)
[   62.630270][ T1104]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.630400][ T1104]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.630533][ T1104]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.630662][ T1104]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.630794][ T1104]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.630937][ T1104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.631099][ T1104] RIP: 0033:0x7ff0d46f5bcb
[   62.631235][ T1104] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.631703][ T1104] RSP: 002b:00007ffc19b84c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.631913][ T1104] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff0d46f5bcb
[   62.632107][ T1104] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.632300][ T1104] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.632493][ T1104] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc19b86e50
[   62.632691][ T1104] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc19b88847
| [   62.656377][ T1105] ------------[ cut here ]------------
| [   62.656528][ T1105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1105
| [   62.656794][ T1105] Modules linked in:
| [   62.657171][ T1105] Tainted: [W]=WARN
[   62.657270][ T1105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.657433][ T1105] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.657606][ T1105] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.658081][ T1105] RSP: 0018:ffa0000003397020 EFLAGS: 00010286
[   62.658243][ T1105] RAX: 00000000ffffffa6 RBX: ff1100000b726040 RCX: 1ff4000000672dca
[   62.658438][ T1105] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7260fc
[   62.658638][ T1105] RBP: ff11000010bfc000 R08: 1fe22000016e4c21 R09: ff11000010240b58
[   62.658836][ T1105] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   62.659037][ T1105] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.659233][ T1105] FS:  00007fa21d714840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   62.659460][ T1105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.659628][ T1105] CR2: 0000000014269988 CR3: 000000000cfff005 CR4: 0000000000771ef0
[   62.659827][ T1105] PKRU: 55555554
[   62.659933][ T1105] Call Trace:
[   62.660032][ T1105]  <TASK>
[   62.660099][ T1105]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.660232][ T1105]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.660334][ T1105]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.660463][ T1105]  __dev_notify_flags (net/core/dev.c:9787)
[   62.660598][ T1105]  ? netif_change_name (net/core/dev.c:1495)
[   62.660729][ T1105]  ? __dev_change_flags (net/core/dev.c:9752)
[   62.660864][ T1105]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   62.661000][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.661131][ T1105]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   62.661265][ T1105]  netif_change_flags (net/core/dev.c:9820)
[   62.661396][ T1105]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.661531][ T1105]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   62.661664][ T1105]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   62.661795][ T1105]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   62.661971][ T1105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.662102][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.662231][ T1105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.662361][ T1105]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.662492][ T1105]  ? __kernel_text_address (kernel/extable.c:79)
[   62.662627][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.662759][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.662897][ T1105]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.663030][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.663160][ T1105]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.663290][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.663420][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.663552][ T1105]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.663682][ T1105]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   62.663811][ T1105]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   62.663953][ T1105]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.664086][ T1105]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   62.664219][ T1105]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   62.664353][ T1105]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.664485][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.664615][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.664744][ T1105]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.664882][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.665012][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.665145][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.665275][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.665404][ T1105]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.665538][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.665670][ T1105]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.665799][ T1105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.665941][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.666070][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.666202][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.666332][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.666461][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.666594][ T1105]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.666725][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.666860][ T1105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.667000][ T1105]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.667130][ T1105]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.667261][ T1105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.667393][ T1105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.667527][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.667658][ T1105]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.667788][ T1105]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.667931][ T1105]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.668063][ T1105]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.668197][ T1105]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.668327][ T1105]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.668486][ T1105]  ? move_addr_to_kernel (net/socket.c:258)
[   62.668618][ T1105]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.668748][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.668888][ T1105]  ___sys_sendmsg (net/socket.c:2752)
[   62.669019][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.669181][ T1105]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.669322][ T1105]  __sys_sendmsg (net/socket.c:2784)
[   62.669452][ T1105]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.669583][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.669748][ T1105]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.669887][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.670018][ T1105]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.670150][ T1105]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.670279][ T1105]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.670408][ T1105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.670572][ T1105] RIP: 0033:0x7fa21d94e08e
[   62.670708][ T1105] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.671186][ T1105] RSP: 002b:00007ffcf0d95200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.671381][ T1105] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa21d94e08e
[   62.671579][ T1105] RDX: 0000000000000000 RSI: 00007ffcf0d952b0 RDI: 0000000000000005
[   62.671771][ T1105] RBP: 00007ffcf0d95210 R08: 0000000000000000 R09: 0000000000000000
[   62.671978][ T1105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2a
[   62.672171][ T1105] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf0d95980
| [   62.876847][ T1113] ------------[ cut here ]------------
| [   62.877345][ T1113] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1113
| [   62.877663][ T1113] Modules linked in:
| [   62.878150][ T1113] Tainted: [W]=WARN
[   62.878296][ T1113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.878507][ T1113] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.878733][ T1113] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.879271][ T1113] RSP: 0018:ffa00000033d7a80 EFLAGS: 00010286
[   62.879487][ T1113] RAX: 00000000ffffffa6 RBX: ff1100000d52f000 RCX: 1ff400000067af16
[   62.879738][ T1113] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f0bc
[   62.880017][ T1113] RBP: ff1100000ef0c000 R08: 1fe2200001aa5e19 R09: ff1100000fc32e80
[   62.880261][ T1113] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.880506][ T1113] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef0c000
[   62.880761][ T1113] FS:  00007f101d596840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.881063][ T1113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.881275][ T1113] CR2: 00007f101d90f493 CR3: 000000000f1cf005 CR4: 0000000000771ef0
[   62.881532][ T1113] PKRU: 55555554
[   62.881678][ T1113] Call Trace:
[   62.881832][ T1113]  <TASK>
[   62.881958][ T1113]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.882139][ T1113]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.882322][ T1113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.882481][ T1113]  register_netdevice (net/core/dev.c:11488)
[   62.882666][ T1113]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.882964][ T1113]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.883200][ T1113]  register_netdev (net/core/dev.c:11552)
[   62.883421][ T1113]  loopback_net_init (drivers/net/loopback.c:218)
[   62.883618][ T1113]  ops_init (net/core/net_namespace.c:137)
[   62.883770][ T1113]  setup_net (net/core/net_namespace.c:446)
[   62.883941][ T1113]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.884118][ T1113]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.884299][ T1113]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.884479][ T1113]  copy_net_ns (net/core/net_namespace.c:579)
[   62.884666][ T1113]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.884852][ T1113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.885050][ T1113]  ksys_unshare (kernel/fork.c:3243)
[   62.885230][ T1113]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.885410][ T1113]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.885597][ T1113]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.885779][ T1113]  ? __ia32_sys_open (fs/open.c:1374)
[   62.885979][ T1113]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.886157][ T1113]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.886335][ T1113]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.886520][ T1113]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.886704][ T1113]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.886904][ T1113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.887114][ T1113] RIP: 0033:0x7f101d858bcb
[   62.887299][ T1113] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.887825][ T1113] RSP: 002b:00007ffdbd9baa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.888082][ T1113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f101d858bcb
[   62.888322][ T1113] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.888570][ T1113] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.888814][ T1113] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbd9bcc90
[   62.889074][ T1113] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbd9be847
| [   62.898994][ T1113] ------------[ cut here ]------------
| [   62.899172][ T1113] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1113
| [   62.899476][ T1113] Modules linked in:
| [   62.899955][ T1113] Tainted: [W]=WARN
[   62.900101][ T1113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.900310][ T1113] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.900538][ T1113] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.901071][ T1113] RSP: 0018:ffa00000033d7918 EFLAGS: 00010286
[   62.901282][ T1113] RAX: 00000000ffffffa6 RBX: ff1100000d636740 RCX: 1ff400000067aee9
[   62.901524][ T1113] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6367fc
[   62.901771][ T1113] RBP: ff110000020bc000 R08: 1fe2200001ac6d01 R09: ff1100000fc32e80
[   62.902098][ T1113] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.902376][ T1113] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000020bc000
[   62.902625][ T1113] FS:  00007f101d596840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.902923][ T1113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.903133][ T1113] CR2: 00007f101d90f493 CR3: 000000000f1cf005 CR4: 0000000000771ef0
[   62.903386][ T1113] PKRU: 55555554
[   62.903533][ T1113] Call Trace:
[   62.903679][ T1113]  <TASK>
[   62.903794][ T1113]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.903993][ T1113]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.904172][ T1113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.904319][ T1113]  register_netdevice (net/core/dev.c:11488)
[   62.904498][ T1113]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.904714][ T1113]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.904913][ T1113]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.905092][ T1113]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.905269][ T1113]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.905450][ T1113]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.905635][ T1113]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.905823][ T1113]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   62.906015][ T1113]  ops_init (net/core/net_namespace.c:137)
[   62.906163][ T1113]  setup_net (net/core/net_namespace.c:446)
[   62.906308][ T1113]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.906484][ T1113]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.906670][ T1113]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.906857][ T1113]  copy_net_ns (net/core/net_namespace.c:579)
[   62.907048][ T1113]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.907228][ T1113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.907406][ T1113]  ksys_unshare (kernel/fork.c:3243)
[   62.907592][ T1113]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.907769][ T1113]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.907969][ T1113]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.908147][ T1113]  ? __ia32_sys_open (fs/open.c:1374)
[   62.908326][ T1113]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.908503][ T1113]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.908687][ T1113]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.908888][ T1113]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.909070][ T1113]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.909250][ T1113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.909461][ T1113] RIP: 0033:0x7f101d858bcb
[   62.909652][ T1113] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.910177][ T1113] RSP: 002b:00007ffdbd9baa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.910420][ T1113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f101d858bcb
[   62.910670][ T1113] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.910931][ T1113] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.911170][ T1113] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbd9bcc90
[   62.911408][ T1113] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbd9be847
| [   62.916041][ T1113] ------------[ cut here ]------------
| [   62.916219][ T1113] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1113
| [   62.916531][ T1113] Modules linked in:
| [   62.917034][ T1113] Tainted: [W]=WARN
[   62.917181][ T1113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.917397][ T1113] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.917626][ T1113] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.918704][ T1113] RSP: 0018:ffa00000033d78f8 EFLAGS: 00010286
[   62.918993][ T1113] RAX: 00000000ffffffa6 RBX: ff1100000d6371c0 RCX: 1ff400000067aee5
[   62.919299][ T1113] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63727c
[   62.919604][ T1113] RBP: ff1100000a881000 R08: 1fe2200001ac6e51 R09: ff1100000fc32e80
[   62.919920][ T1113] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.920217][ T1113] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a881000
[   62.920520][ T1113] FS:  00007f101d596840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.920925][ T1113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.921192][ T1113] CR2: 00007f101d90f493 CR3: 000000000f1cf005 CR4: 0000000000771ef0
[   62.921489][ T1113] PKRU: 55555554
[   62.921694][ T1113] Call Trace:
[   62.921915][ T1113]  <TASK>
[   62.922086][ T1113]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.922322][ T1113]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.922563][ T1113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.922764][ T1113]  register_netdevice (net/core/dev.c:11488)
[   62.922985][ T1113]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.923196][ T1113]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.923376][ T1113]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.923563][ T1113]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.923751][ T1113]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.923955][ T1113]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.924137][ T1113]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.924319][ T1113]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   62.924500][ T1113]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.924690][ T1113]  vti_init_net (net/ipv4/ip_vti.c:517)
[   62.924894][ T1113]  ops_init (net/core/net_namespace.c:137)
[   62.925045][ T1113]  setup_net (net/core/net_namespace.c:446)
[   62.925197][ T1113]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.925376][ T1113]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.925564][ T1113]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.925747][ T1113]  copy_net_ns (net/core/net_namespace.c:579)
[   62.925947][ T1113]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.926130][ T1113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.926310][ T1113]  ksys_unshare (kernel/fork.c:3243)
[   62.926492][ T1113]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.926679][ T1113]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.926880][ T1113]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.927062][ T1113]  ? __ia32_sys_open (fs/open.c:1374)
[   62.927242][ T1113]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.927421][ T1113]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.927608][ T1113]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.927788][ T1113]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.928001][ T1113]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.928181][ T1113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.928390][ T1113] RIP: 0033:0x7f101d858bcb
[   62.928582][ T1113] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.929118][ T1113] RSP: 002b:00007ffdbd9baa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.929364][ T1113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f101d858bcb
[   62.929614][ T1113] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.929878][ T1113] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.930132][ T1113] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbd9bcc90
[   62.930373][ T1113] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbd9be847
| [   62.935005][ T1113] ------------[ cut here ]------------
| [   62.935182][ T1113] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1113
| [   62.935486][ T1113] Modules linked in:
| [   62.935972][ T1113] Tainted: [W]=WARN
[   62.936121][ T1113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.936331][ T1113] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.936554][ T1113] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.937086][ T1113] RSP: 0018:ffa00000033d7a78 EFLAGS: 00010286
[   62.937299][ T1113] RAX: 00000000ffffffa6 RBX: ff1100000d52e580 RCX: 1ff400000067af15
[   62.937546][ T1113] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e63c
[   62.937789][ T1113] RBP: ff1100000fca4000 R08: 1fe2200001aa5cc9 R09: ff1100000fc32e80
[   62.938563][ T1113] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.938883][ T1113] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fca4000
[   62.939180][ T1113] FS:  00007f101d596840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.939507][ T1113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.939778][ T1113] CR2: 00007f101d90f493 CR3: 000000000f1cf005 CR4: 0000000000771ef0
[   62.940100][ T1113] PKRU: 55555554
[   62.940297][ T1113] Call Trace:
[   62.940494][ T1113]  <TASK>
[   62.940680][ T1113]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.940934][ T1113]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.941164][ T1113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.941363][ T1113]  register_netdevice (net/core/dev.c:11488)
[   62.941602][ T1113]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.941890][ T1113]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.942125][ T1113]  register_netdev (net/core/dev.c:11552)
[   62.942356][ T1113]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   62.942593][ T1113]  ops_init (net/core/net_namespace.c:137)
[   62.942795][ T1113]  setup_net (net/core/net_namespace.c:446)
[   62.943017][ T1113]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.943248][ T1113]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.943482][ T1113]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.943720][ T1113]  copy_net_ns (net/core/net_namespace.c:579)
[   62.943975][ T1113]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.944212][ T1113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.944433][ T1113]  ksys_unshare (kernel/fork.c:3243)
[   62.944619][ T1113]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.944797][ T1113]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.944998][ T1113]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.945177][ T1113]  ? __ia32_sys_open (fs/open.c:1374)
[   62.945354][ T1113]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.945532][ T1113]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.945708][ T1113]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.945910][ T1113]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.946088][ T1113]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.946266][ T1113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.946476][ T1113] RIP: 0033:0x7f101d858bcb
[   62.946663][ T1113] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.947188][ T1113] RSP: 002b:00007ffdbd9baa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.947431][ T1113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f101d858bcb
[   62.947680][ T1113] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.947937][ T1113] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.948176][ T1113] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbd9bcc90
[   62.948414][ T1113] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbd9be847
| [   62.953069][ T1113] ------------[ cut here ]------------
| [   62.953247][ T1113] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1113
| [   62.953563][ T1113] Modules linked in:
| [   62.954040][ T1113] Tainted: [W]=WARN
[   62.954186][ T1113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.954396][ T1113] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.954623][ T1113] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.955149][ T1113] RSP: 0018:ffa00000033d7a68 EFLAGS: 00010286
[   62.955362][ T1113] RAX: 00000000ffffffa6 RBX: ff1100000e441380 RCX: 1ff400000067af13
[   62.955616][ T1113] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44143c
[   62.955863][ T1113] RBP: ff11000012701000 R08: 1fe2200001c88289 R09: ff1100000fc32e80
[   62.956120][ T1113] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.956363][ T1113] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012701000
[   62.956614][ T1113] FS:  00007f101d596840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.957419][ T1113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.957692][ T1113] CR2: 00007f101d90f493 CR3: 000000000f1cf005 CR4: 0000000000771ef0
[   62.958010][ T1113] PKRU: 55555554
[   62.958209][ T1113] Call Trace:
[   62.958407][ T1113]  <TASK>
[   62.958580][ T1113]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.958824][ T1113]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.959069][ T1113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.959269][ T1113]  register_netdevice (net/core/dev.c:11488)
[   62.959500][ T1113]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.959773][ T1113]  register_netdev (net/core/dev.c:11552)
[   62.960029][ T1113]  sit_init_net (net/ipv6/sit.c:1860)
[   62.960266][ T1113]  ops_init (net/core/net_namespace.c:137)
[   62.960466][ T1113]  setup_net (net/core/net_namespace.c:446)
[   62.960677][ T1113]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.960930][ T1113]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.961163][ T1113]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.961393][ T1113]  copy_net_ns (net/core/net_namespace.c:579)
[   62.961633][ T1113]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.961886][ T1113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.962125][ T1113]  ksys_unshare (kernel/fork.c:3243)
[   62.962355][ T1113]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.962567][ T1113]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.962744][ T1113]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.962942][ T1113]  ? __ia32_sys_open (fs/open.c:1374)
[   62.963122][ T1113]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.963298][ T1113]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.963475][ T1113]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.963658][ T1113]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.963841][ T1113]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.964035][ T1113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.964241][ T1113] RIP: 0033:0x7f101d858bcb
[   62.964422][ T1113] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.964958][ T1113] RSP: 002b:00007ffdbd9baa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.965201][ T1113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f101d858bcb
[   62.965440][ T1113] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.965685][ T1113] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.965949][ T1113] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbd9bcc90
[   62.966186][ T1113] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbd9be847
| [   62.971333][ T1113] ------------[ cut here ]------------
| [   62.971511][ T1113] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1113
| [   62.971826][ T1113] Modules linked in:
| [   62.972297][ T1113] Tainted: [W]=WARN
[   62.972445][ T1113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.972659][ T1113] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.972898][ T1113] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   62.973403][ T1113] RSP: 0018:ffa00000033d7a78 EFLAGS: 00010286
[   62.973623][ T1113] RAX: 00000000ffffffa6 RBX: ff1100000d31a740 RCX: 1ff400000067af15
[   62.974391][ T1113] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a7fc
[   62.974697][ T1113] RBP: ff1100000d0c4000 R08: 1fe2200001a63501 R09: ff1100000fc32e80
[   62.975024][ T1113] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.975322][ T1113] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d0c4000
[   62.975625][ T1113] FS:  00007f101d596840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   62.975972][ T1113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.976235][ T1113] CR2: 00007f101d90f493 CR3: 000000000f1cf005 CR4: 0000000000771ef0
[   62.976542][ T1113] PKRU: 55555554
[   62.976739][ T1113] Call Trace:
[   62.976956][ T1113]  <TASK>
[   62.977124][ T1113]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.977352][ T1113]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.977584][ T1113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.977783][ T1113]  register_netdevice (net/core/dev.c:11488)
[   62.978033][ T1113]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.978298][ T1113]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.978539][ T1113]  register_netdev (net/core/dev.c:11552)
[   62.978770][ T1113]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   62.979026][ T1113]  ops_init (net/core/net_namespace.c:137)
[   62.979227][ T1113]  setup_net (net/core/net_namespace.c:446)
[   62.979427][ T1113]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.979665][ T1113]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.979917][ T1113]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.980116][ T1113]  copy_net_ns (net/core/net_namespace.c:579)
[   62.980294][ T1113]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.980475][ T1113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.980657][ T1113]  ksys_unshare (kernel/fork.c:3243)
[   62.980842][ T1113]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.981034][ T1113]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.981215][ T1113]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.981392][ T1113]  ? __ia32_sys_open (fs/open.c:1374)
[   62.981580][ T1113]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.981756][ T1113]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.981952][ T1113]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.982130][ T1113]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.982309][ T1113]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.982485][ T1113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.982702][ T1113] RIP: 0033:0x7f101d858bcb
[   62.982905][ T1113] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   62.983410][ T1113] RSP: 002b:00007ffdbd9baa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.983657][ T1113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f101d858bcb
[   62.983918][ T1113] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.984157][ T1113] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.984395][ T1113] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdbd9bcc90
[   62.984642][ T1113] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdbd9be847
| [   63.014394][ T1114] ------------[ cut here ]------------
| [   63.014546][ T1114] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1114
| [   63.014802][ T1114] Modules linked in:
| [   63.015179][ T1114] Tainted: [W]=WARN
[   63.015276][ T1114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.015439][ T1114] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.015611][ T1114] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.016086][ T1114] RSP: 0018:ffa0000002e37020 EFLAGS: 00010286
[   63.016248][ T1114] RAX: 00000000ffffffa6 RBX: ff110000109b8740 RCX: 1ff40000005c6dca
[   63.016441][ T1114] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b87fc
[   63.016637][ T1114] RBP: ff1100000ef0c000 R08: 1fe2200002137101 R09: ff1100000fc30b58
[   63.016833][ T1114] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   63.017032][ T1114] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.017225][ T1114] FS:  00007fe94979b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   63.017451][ T1114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.017618][ T1114] CR2: 000000000d005988 CR3: 000000000e700001 CR4: 0000000000771ef0
[   63.017812][ T1114] PKRU: 55555554
[   63.017921][ T1114] Call Trace:
[   63.018018][ T1114]  <TASK>
[   63.018084][ T1114]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.018215][ T1114]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.018312][ T1114]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.018440][ T1114]  __dev_notify_flags (net/core/dev.c:9787)
[   63.018577][ T1114]  ? netif_change_name (net/core/dev.c:1495)
[   63.018706][ T1114]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.018840][ T1114]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.019646][ T1114]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.019781][ T1114]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.019967][ T1114]  netif_change_flags (net/core/dev.c:9820)
[   63.020097][ T1114]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.020226][ T1114]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.020357][ T1114]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.020486][ T1114]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.020652][ T1114]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.020781][ T1114]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.020920][ T1114]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.021050][ T1114]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.021182][ T1114]  ? __kernel_text_address (kernel/extable.c:79)
[   63.021311][ T1114]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.021441][ T1114]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.021572][ T1114]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.021702][ T1114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.021834][ T1114]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.021969][ T1114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.022097][ T1114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.022226][ T1114]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.022355][ T1114]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.022484][ T1114]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.022615][ T1114]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.022745][ T1114]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.022887][ T1114]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.023019][ T1114]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.023148][ T1114]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.023276][ T1114]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.023404][ T1114]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.023536][ T1114]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.023663][ T1114]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.023795][ T1114]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.023933][ T1114]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.024063][ T1114]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.024192][ T1114]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.024321][ T1114]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.024451][ T1114]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.024582][ T1114]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.024711][ T1114]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.024846][ T1114]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.024979][ T1114]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.025107][ T1114]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.025237][ T1114]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.025366][ T1114]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.025496][ T1114]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.025631][ T1114]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.025760][ T1114]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.025902][ T1114]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.026032][ T1114]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.026161][ T1114]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.026291][ T1114]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.026424][ T1114]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.026555][ T1114]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.026686][ T1114]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.026821][ T1114]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.026957][ T1114]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.027117][ T1114]  ? move_addr_to_kernel (net/socket.c:258)
[   63.027246][ T1114]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.027375][ T1114]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.027509][ T1114]  ___sys_sendmsg (net/socket.c:2752)
[   63.027638][ T1114]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.027799][ T1114]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.027951][ T1114]  __sys_sendmsg (net/socket.c:2784)
[   63.028081][ T1114]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.028210][ T1114]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.028372][ T1114]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.028503][ T1114]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.028636][ T1114]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.028767][ T1114]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.028908][ T1114]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.029037][ T1114]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.029198][ T1114] RIP: 0033:0x7fe9499d508e
[   63.029334][ T1114] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.029801][ T1114] RSP: 002b:00007ffde8262ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.030010][ T1114] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe9499d508e
[   63.030203][ T1114] RDX: 0000000000000000 RSI: 00007ffde8262fa0 RDI: 0000000000000005
[   63.030396][ T1114] RBP: 00007ffde8262f00 R08: 0000000000000000 R09: 0000000000000000
[   63.030593][ T1114] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.030787][ T1114] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde8263670
| [   63.400096][ T1129] ------------[ cut here ]------------
| [   63.400264][ T1129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1129
| [   63.400544][ T1129] Modules linked in:
| [   63.400941][ T1129] Tainted: [W]=WARN
[   63.401044][ T1129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.401214][ T1129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.401393][ T1129] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.401884][ T1129] RSP: 0018:ffa00000034a6e30 EFLAGS: 00010286
[   63.402056][ T1129] RAX: 00000000ffffffa6 RBX: ff11000009a01000 RCX: 1ff4000000694d8c
[   63.402259][ T1129] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a010bc
[   63.402461][ T1129] RBP: ff11000010619000 R08: 1fe2200001340219 R09: ff11000008d48b80
[   63.402666][ T1129] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.402878][ T1129] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d549200
[   63.403085][ T1129] FS:  00007f770ea10840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.403320][ T1129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.403487][ T1129] CR2: 000000000042ebe0 CR3: 000000000d7c1004 CR4: 0000000000771ef0
[   63.403693][ T1129] PKRU: 55555554
[   63.403794][ T1129] Call Trace:
[   63.403906][ T1129]  <TASK>
[   63.403977][ T1129]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.404113][ T1129]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.404216][ T1129]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   63.404387][ T1129]  __dev_notify_flags (net/core/dev.c:9787)
[   63.404524][ T1129]  ? netif_change_name (net/core/dev.c:1495)
[   63.404662][ T1129]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.404796][ T1129]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.404941][ T1129]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.405076][ T1129]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   63.405212][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.405348][ T1129]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.405483][ T1129]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   63.405618][ T1129]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.405753][ T1129]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   63.405956][ T1129]  veth_newlink (drivers/net/veth.c:1871)
[   63.406091][ T1129]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   63.406224][ T1129]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.406357][ T1129]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.406489][ T1129]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.406642][ T1129]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   63.406776][ T1129]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   63.406999][ T1129]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   63.407133][ T1129]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.407269][ T1129]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   63.407404][ T1129]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   63.407543][ T1129]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   63.407678][ T1129]  ? __dev_get_by_name (net/core/dev.c:883)
[   63.407811][ T1129]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   63.408040][ T1129]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   63.408178][ T1129]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.408313][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.408446][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.408585][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.408718][ T1129]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.408859][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.409100][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.409236][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.409369][ T1129]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.409502][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.409639][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.409771][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.409977][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.410111][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.410248][ T1129]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.410381][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.410517][ T1129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.410657][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.410793][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.411013][ T1129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.411149][ T1129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.411285][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.411420][ T1129]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.411555][ T1129]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.411690][ T1129]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.411833][ T1129]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.412116][ T1129]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.412250][ T1129]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.412418][ T1129]  ? move_addr_to_kernel (net/socket.c:258)
[   63.412560][ T1129]  ___sys_sendmsg (net/socket.c:2752)
[   63.412696][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.412832][ T1129]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.413054][ T1129]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   63.413191][ T1129]  __sys_sendmsg (net/socket.c:2784)
[   63.413325][ T1129]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.413463][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.413601][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.413736][ T1129]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.413885][ T1129]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.414019][ T1129]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.414153][ T1129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.414319][ T1129] RIP: 0033:0x7f770ec4a08e
[   63.414462][ T1129] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.414953][ T1129] RSP: 002b:00007ffc150f5b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.415156][ T1129] RAX: ffffffffffffffda RBX: 00007ffc150f62c8 RCX: 00007f770ec4a08e
[   63.415356][ T1129] RDX: 0000000000000000 RSI: 00007ffc150f5bd0 RDI: 0000000000000005
[   63.415556][ T1129] RBP: 00007ffc150f5b30 R08: 0000000000000000 R09: 0000000000000000
[   63.415755][ T1129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.415969][ T1129] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc150f62a0
| [   63.429171][ T1129] ------------[ cut here ]------------
| [   63.429313][ T1129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1129
| [   63.429579][ T1129] Modules linked in:
| [   63.429958][ T1129] Tainted: [W]=WARN
[   63.430057][ T1129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.430220][ T1129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.430389][ T1129] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.430863][ T1129] RSP: 0018:ffa00000034a71b0 EFLAGS: 00010286
[   63.431032][ T1129] RAX: 00000000ffffffa6 RBX: ff1100000a16b540 RCX: 1ff4000000694dfc
[   63.431227][ T1129] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b5fc
[   63.431421][ T1129] RBP: ff11000008bac000 R08: 1fe220000142d6c1 R09: ff11000008d48b80
[   63.431618][ T1129] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.431813][ T1129] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   63.432024][ T1129] FS:  00007f770ea10840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.432254][ T1129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.432419][ T1129] CR2: 000000000042ebe0 CR3: 000000000d7c1004 CR4: 0000000000771ef0
[   63.432618][ T1129] PKRU: 55555554
[   63.432718][ T1129] Call Trace:
[   63.432821][ T1129]  <TASK>
[   63.432895][ T1129]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.433030][ T1129]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.433130][ T1129]  __dev_notify_flags (net/core/dev.c:9787)
[   63.433263][ T1129]  ? netif_change_name (net/core/dev.c:1495)
[   63.433398][ T1129]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   63.433535][ T1129]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.433669][ T1129]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   63.433805][ T1129]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   63.433947][ T1129]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   63.434080][ T1129]  ? __dev_get_by_name (net/core/dev.c:883)
[   63.434212][ T1129]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   63.434349][ T1129]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   63.434485][ T1129]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.434620][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.434751][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.434891][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.435023][ T1129]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.435154][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.435290][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.435422][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.435557][ T1129]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.435689][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.435826][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.435965][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.436099][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.436230][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.436362][ T1129]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.436493][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.436630][ T1129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.436764][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.437420][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.437558][ T1129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.437692][ T1129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.437831][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.437971][ T1129]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.438103][ T1129]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.438236][ T1129]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.438371][ T1129]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.438503][ T1129]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.438639][ T1129]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.438804][ T1129]  ? move_addr_to_kernel (net/socket.c:258)
[   63.438950][ T1129]  ___sys_sendmsg (net/socket.c:2752)
[   63.439082][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.439215][ T1129]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.439357][ T1129]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   63.439493][ T1129]  __sys_sendmsg (net/socket.c:2784)
[   63.439630][ T1129]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.439766][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.439909][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.440042][ T1129]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.440174][ T1129]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.440306][ T1129]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.440438][ T1129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.440605][ T1129] RIP: 0033:0x7f770ec4a08e
[   63.440744][ T1129] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.441222][ T1129] RSP: 002b:00007ffc150f5b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.441423][ T1129] RAX: ffffffffffffffda RBX: 00007ffc150f62c8 RCX: 00007f770ec4a08e
[   63.441621][ T1129] RDX: 0000000000000000 RSI: 00007ffc150f5bd0 RDI: 0000000000000005
[   63.441824][ T1129] RBP: 00007ffc150f5b30 R08: 0000000000000000 R09: 0000000000000000
[   63.442025][ T1129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.442224][ T1129] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc150f62a0
| [   63.480029][ T1130] ------------[ cut here ]------------
| [   63.480175][ T1130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1130
| [   63.480429][ T1130] Modules linked in:
| [   63.480786][ T1130] Tainted: [W]=WARN
[   63.480896][ T1130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.481055][ T1130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.481220][ T1130] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.481672][ T1130] RSP: 0018:ffa00000034a6ff8 EFLAGS: 00010286
[   63.481834][ T1130] RAX: 00000000ffffffa6 RBX: ff1100000f1b4c80 RCX: 1ff4000000694dc5
[   63.482029][ T1130] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b4d3c
[   63.482215][ T1130] RBP: ff11000010619000 R08: 1fe2200001e369a9 R09: ff110000095e5158
[   63.482404][ T1130] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   63.482593][ T1130] R13: 0000000000000000 R14: ffa00000034a7140 R15: ff11000004f8d1d0
[   63.482780][ T1130] FS:  00007f9188359840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   63.483011][ T1130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.483169][ T1130] CR2: 000000001866e988 CR3: 000000000f027002 CR4: 0000000000771ef0
[   63.483359][ T1130] PKRU: 55555554
[   63.483452][ T1130] Call Trace:
[   63.483549][ T1130]  <TASK>
[   63.483614][ T1130]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   63.483742][ T1130]  __dev_change_net_namespace (net/core/dev.c:12635)
[   63.483913][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.484039][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.484167][ T1130]  ? default_device_exit_batch (net/core/dev.c:13091)
[   63.484323][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.484449][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.484578][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.484705][ T1130]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.484835][ T1130]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.484970][ T1130]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   63.485100][ T1130]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.485227][ T1130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.485386][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.485515][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.485641][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.485766][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.485905][ T1130]  ? __kernel_text_address (kernel/extable.c:79)
[   63.486032][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.486160][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.486285][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.486411][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.486542][ T1130]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.486668][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.486792][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.486998][ T1130]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.487128][ T1130]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.487254][ T1130]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.487380][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.487515][ T1130]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.487644][ T1130]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.487774][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.487914][ T1130]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.488043][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.488169][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.488293][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.488418][ T1130]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.488546][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.488675][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.488799][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.488935][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.489061][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.489186][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.489310][ T1130]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.489435][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.489565][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.489689][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.489816][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.489951][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.490080][ T1130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.490205][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.490331][ T1130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.490459][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.490585][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.490711][ T1130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.490844][ T1130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.490977][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.491103][ T1130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.491230][ T1130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.491356][ T1130]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.491482][ T1130]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.491610][ T1130]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.491736][ T1130]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.491899][ T1130]  ? move_addr_to_kernel (net/socket.c:258)
[   63.492030][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.492155][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.492281][ T1130]  ___sys_sendmsg (net/socket.c:2752)
[   63.492405][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.492565][ T1130]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.492702][ T1130]  __sys_sendmsg (net/socket.c:2784)
[   63.492832][ T1130]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.492965][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.493124][ T1130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.493248][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.493374][ T1130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.493500][ T1130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.493628][ T1130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.493755][ T1130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.493926][ T1130] RIP: 0033:0x7f918859308e
[   63.494059][ T1130] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.494506][ T1130] RSP: 002b:00007ffd38d406e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.494697][ T1130] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f918859308e
[   63.494895][ T1130] RDX: 0000000000000000 RSI: 00007ffd38d40790 RDI: 0000000000000005
[   63.495085][ T1130] RBP: 00007ffd38d406f0 R08: 0000000000000000 R09: 0000000000000000
[   63.495271][ T1130] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.495456][ T1130] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd38d40e60
| [   63.498001][ T1130] ------------[ cut here ]------------
| [   63.498131][ T1130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1130
| [   63.498384][ T1130] Modules linked in:
| [   63.498740][ T1130] Tainted: [W]=WARN
[   63.498841][ T1130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.499007][ T1130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.499174][ T1130] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.499629][ T1130] RSP: 0018:ffa00000034a6fc0 EFLAGS: 00010286
[   63.499790][ T1130] RAX: 00000000ffffffa6 RBX: ff1100000b7d43c0 RCX: 1ff4000000694dbe
[   63.499992][ T1130] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d447c
[   63.500185][ T1130] RBP: ff11000010619000 R08: 1fe22000016fa891 R09: ff110000095e5158
[   63.500375][ T1130] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   63.500569][ T1130] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f8d1d0
[   63.500761][ T1130] FS:  00007f9188359840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   63.500999][ T1130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.501158][ T1130] CR2: 000000001866e988 CR3: 000000000f027002 CR4: 0000000000771ef0
[   63.501351][ T1130] PKRU: 55555554
[   63.501447][ T1130] Call Trace:
[   63.501546][ T1130]  <TASK>
[   63.501613][ T1130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.501743][ T1130]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.501881][ T1130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.501979][ T1130]  __dev_change_net_namespace (net/core/dev.c:12695)
[   63.502139][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.502267][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.502397][ T1130]  ? default_device_exit_batch (net/core/dev.c:13091)
[   63.502559][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.502688][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.502816][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.502956][ T1130]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.503085][ T1130]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.503214][ T1130]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   63.503345][ T1130]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.503474][ T1130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.503640][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.503766][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.503902][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.504034][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.504161][ T1130]  ? __kernel_text_address (kernel/extable.c:79)
[   63.504289][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.504420][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.504552][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.504682][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.504811][ T1130]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.504950][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.505078][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.505206][ T1130]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.505335][ T1130]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.505464][ T1130]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.505599][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.505728][ T1130]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.505861][ T1130]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.505998][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.506129][ T1130]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.506262][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.506389][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.506520][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.506649][ T1130]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.506779][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.506918][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.507046][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.507176][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.507305][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.507434][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.507568][ T1130]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.507698][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.507832][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.507966][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.508096][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.508222][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.508350][ T1130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.508477][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.508609][ T1130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.508741][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.508879][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.509009][ T1130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.509139][ T1130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.509268][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.509397][ T1130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.509528][ T1130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.509657][ T1130]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.509786][ T1130]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.509926][ T1130]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.510056][ T1130]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.510215][ T1130]  ? move_addr_to_kernel (net/socket.c:258)
[   63.510344][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.510473][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.510605][ T1130]  ___sys_sendmsg (net/socket.c:2752)
[   63.510733][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.510900][ T1130]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.511041][ T1130]  __sys_sendmsg (net/socket.c:2784)
[   63.511169][ T1130]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.511296][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.511458][ T1130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.511589][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.511718][ T1130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.511854][ T1130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.511987][ T1130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.512116][ T1130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.512273][ T1130] RIP: 0033:0x7f918859308e
[   63.512407][ T1130] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.512880][ T1130] RSP: 002b:00007ffd38d406e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.513074][ T1130] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f918859308e
[   63.513266][ T1130] RDX: 0000000000000000 RSI: 00007ffd38d40790 RDI: 0000000000000005
[   63.513457][ T1130] RBP: 00007ffd38d406f0 R08: 0000000000000000 R09: 0000000000000000
[   63.513647][ T1130] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.513842][ T1130] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd38d40e60
| [   63.520568][ T1130] ------------[ cut here ]------------
| [   63.520699][ T1130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1130
| [   63.520963][ T1130] Modules linked in:
| [   63.521320][ T1130] Tainted: [W]=WARN
[   63.521417][ T1130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.521582][ T1130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.521747][ T1130] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.522211][ T1130] RSP: 0018:ffa00000034a7038 EFLAGS: 00010286
[   63.522372][ T1130] RAX: 00000000ffffffa6 RBX: ff1100000b7d4200 RCX: 1ff4000000694dcd
[   63.522565][ T1130] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d42bc
[   63.522755][ T1130] RBP: ff11000010619000 R08: 1fe22000016fa859 R09: ff110000095e5158
[   63.522955][ T1130] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   63.523146][ T1130] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   63.523339][ T1130] FS:  00007f9188359840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   63.523567][ T1130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.523815][ T1130] CR2: 000000001866e988 CR3: 000000000f027002 CR4: 0000000000771ef0
[   63.524026][ T1130] PKRU: 55555554
[   63.524121][ T1130] Call Trace:
[   63.524216][ T1130]  <TASK>
[   63.524366][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.524496][ T1130]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   63.524629][ T1130]  notifier_call_chain (kernel/notifier.c:85)
[   63.524758][ T1130]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   63.524896][ T1130]  ? default_device_exit_batch (net/core/dev.c:13091)
[   63.525057][ T1130]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   63.525216][ T1130]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.525347][ T1130]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.525565][ T1130]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   63.525696][ T1130]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.525830][ T1130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.526576][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.526706][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.526835][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.527019][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.527148][ T1130]  ? __kernel_text_address (kernel/extable.c:79)
[   63.527275][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.527403][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.527534][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.527662][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.527789][ T1130]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.527979][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.528165][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.528293][ T1130]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.528421][ T1130]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.528551][ T1130]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.528678][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.528807][ T1130]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.528994][ T1130]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.529127][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.529258][ T1130]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.529388][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.529516][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.529644][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.529771][ T1130]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.529960][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.530093][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.530219][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.530346][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.530475][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.530607][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.530737][ T1130]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.530924][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.531052][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.531181][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.531310][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.531437][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.531569][ T1130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.531698][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.531832][ T1130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.532020][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.532149][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.532279][ T1130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.532409][ T1130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.532541][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.532669][ T1130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.532798][ T1130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.532990][ T1130]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.533120][ T1130]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.533249][ T1130]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.533377][ T1130]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.533624][ T1130]  ? move_addr_to_kernel (net/socket.c:258)
[   63.533753][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.533940][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.534071][ T1130]  ___sys_sendmsg (net/socket.c:2752)
[   63.534197][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.534356][ T1130]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.534586][ T1130]  __sys_sendmsg (net/socket.c:2784)
[   63.534714][ T1130]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.534849][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.535148][ T1130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.535276][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.535405][ T1130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.535537][ T1130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.535664][ T1130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.535791][ T1130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.536098][ T1130] RIP: 0033:0x7f918859308e
[   63.536232][ T1130] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.536688][ T1130] RSP: 002b:00007ffd38d406e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.536943][ T1130] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f918859308e
[   63.537133][ T1130] RDX: 0000000000000000 RSI: 00007ffd38d40790 RDI: 0000000000000005
[   63.537323][ T1130] RBP: 00007ffd38d406f0 R08: 0000000000000000 R09: 0000000000000000
[   63.537602][ T1130] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.537792][ T1130] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd38d40e60
| [   63.540644][ T1130] ------------[ cut here ]------------
| [   63.540782][ T1130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1130
| [   63.541057][ T1130] Modules linked in:
| [   63.541417][ T1130] Tainted: [W]=WARN
[   63.541519][ T1130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.541680][ T1130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.541854][ T1130] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.542318][ T1130] RSP: 0018:ffa00000034a7020 EFLAGS: 00010286
[   63.542482][ T1130] RAX: 00000000ffffffa6 RBX: ff1100000b7d4c80 RCX: 1ff4000000694dca
[   63.542677][ T1130] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4d3c
[   63.542879][ T1130] RBP: ff11000010619000 R08: 1fe22000016fa9a9 R09: ff110000095e5158
[   63.543072][ T1130] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   63.543265][ T1130] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.543458][ T1130] FS:  00007f9188359840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.543687][ T1130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.543855][ T1130] CR2: 000055dfdb5e2d5c CR3: 000000000f027006 CR4: 0000000000771ef0
[   63.544057][ T1130] PKRU: 55555554
[   63.544154][ T1130] Call Trace:
[   63.544250][ T1130]  <TASK>
[   63.544317][ T1130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.544448][ T1130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.544550][ T1130]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.544678][ T1130]  __dev_notify_flags (net/core/dev.c:9787)
[   63.544808][ T1130]  ? netif_change_name (net/core/dev.c:1495)
[   63.544946][ T1130]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.545078][ T1130]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.545208][ T1130]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   63.545370][ T1130]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.545501][ T1130]  netif_change_flags (net/core/dev.c:9820)
[   63.545635][ T1130]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.545766][ T1130]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.545907][ T1130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.546067][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.546195][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.546324][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.546452][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.546582][ T1130]  ? __kernel_text_address (kernel/extable.c:79)
[   63.546711][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.546850][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.546985][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.547114][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.547244][ T1130]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.547373][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.547501][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.547633][ T1130]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.547762][ T1130]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.547904][ T1130]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.548034][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.548163][ T1130]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.548294][ T1130]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.548425][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.548560][ T1130]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.548692][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.548825][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.548962][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.549092][ T1130]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.549221][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.549353][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.549482][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.549612][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.549741][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.549882][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.550012][ T1130]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.550140][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.550269][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.550398][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.550531][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.550660][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.550790][ T1130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.550932][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.551062][ T1130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.551194][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.551322][ T1130]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.551453][ T1130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.551585][ T1130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.551715][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.551853][ T1130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.551988][ T1130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.552117][ T1130]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.552248][ T1130]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.552377][ T1130]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.552508][ T1130]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.552669][ T1130]  ? move_addr_to_kernel (net/socket.c:258)
[   63.552800][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.552938][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.553068][ T1130]  ___sys_sendmsg (net/socket.c:2752)
[   63.553196][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.553356][ T1130]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.553498][ T1130]  __sys_sendmsg (net/socket.c:2784)
[   63.553631][ T1130]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.553758][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.553933][ T1130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.554063][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.554195][ T1130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.554324][ T1130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.554451][ T1130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.554583][ T1130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.554742][ T1130] RIP: 0033:0x7f918859308e
[   63.554891][ T1130] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.555352][ T1130] RSP: 002b:00007ffd38d406e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.555550][ T1130] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f918859308e
[   63.555743][ T1130] RDX: 0000000000000000 RSI: 00007ffd38d40790 RDI: 0000000000000005
[   63.555945][ T1130] RBP: 00007ffd38d406f0 R08: 0000000000000000 R09: 0000000000000000
[   63.556137][ T1130] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.556329][ T1130] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd38d40e60
| [   63.594659][ T1131] ------------[ cut here ]------------
| [   63.594849][ T1131] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1131
| [   63.595177][ T1131] Modules linked in:
| [   63.595651][ T1131] Tainted: [W]=WARN
[   63.595798][ T1131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.596030][ T1131] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.596249][ T1131] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.596769][ T1131] RSP: 0018:ffa00000034a6e30 EFLAGS: 00010286
[   63.597004][ T1131] RAX: 00000000ffffffa6 RBX: ff1100000b7d5700 RCX: 1ff4000000694d8c
[   63.597250][ T1131] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d57bc
[   63.597493][ T1131] RBP: ff1100000b4d4000 R08: 1fe22000016faaf9 R09: ff110000095e2e80
[   63.597744][ T1131] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.598006][ T1131] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f34fc00
[   63.598252][ T1131] FS:  00007f57f0f13840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   63.598531][ T1131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.598747][ T1131] CR2: 000000000042ebe0 CR3: 0000000010afd006 CR4: 0000000000771ef0
[   63.599012][ T1131] PKRU: 55555554
[   63.599157][ T1131] Call Trace:
[   63.599301][ T1131]  <TASK>
[   63.599416][ T1131]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.599605][ T1131]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.599755][ T1131]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   63.599984][ T1131]  __dev_notify_flags (net/core/dev.c:9787)
[   63.600167][ T1131]  ? netif_change_name (net/core/dev.c:1495)
[   63.600347][ T1131]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.600530][ T1131]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.600710][ T1131]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.600911][ T1131]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   63.601092][ T1131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.601271][ T1131]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.601451][ T1131]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   63.601642][ T1131]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.601828][ T1131]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   63.602021][ T1131]  veth_newlink (drivers/net/veth.c:1871)
[   63.602202][ T1131]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   63.602378][ T1131]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.602563][ T1131]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.602741][ T1131]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.602959][ T1131]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   63.603138][ T1131]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   63.603319][ T1131]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   63.603497][ T1131]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.603687][ T1131]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   63.603891][ T1131]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   63.604073][ T1131]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   63.604256][ T1131]  ? __dev_get_by_name (net/core/dev.c:883)
[   63.604435][ T1131]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   63.604627][ T1131]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   63.604811][ T1131]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.605019][ T1131]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.605197][ T1131]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.605376][ T1131]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.605561][ T1131]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.605742][ T1131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.605945][ T1131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.606125][ T1131]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.606305][ T1131]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.606485][ T1131]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.606668][ T1131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.606854][ T1131]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.607048][ T1131]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.607231][ T1131]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.607413][ T1131]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.607599][ T1131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.607782][ T1131]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.607984][ T1131]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.608164][ T1131]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.608346][ T1131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.608534][ T1131]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.608716][ T1131]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.608913][ T1131]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.609096][ T1131]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.609276][ T1131]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.609457][ T1131]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.609646][ T1131]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.609832][ T1131]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.610059][ T1131]  ? move_addr_to_kernel (net/socket.c:258)
[   63.610246][ T1131]  ___sys_sendmsg (net/socket.c:2752)
[   63.610426][ T1131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.610616][ T1131]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.610804][ T1131]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   63.611009][ T1131]  __sys_sendmsg (net/socket.c:2784)
[   63.611193][ T1131]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.611378][ T1131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.611565][ T1131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.611748][ T1131]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.611946][ T1131]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.612126][ T1131]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.612308][ T1131]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.612520][ T1131] RIP: 0033:0x7f57f114d08e
[   63.612709][ T1131] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.613246][ T1131] RSP: 002b:00007fff46480ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.613493][ T1131] RAX: ffffffffffffffda RBX: 00007fff46481448 RCX: 00007f57f114d08e
[   63.613747][ T1131] RDX: 0000000000000000 RSI: 00007fff46480d50 RDI: 0000000000000005
[   63.614009][ T1131] RBP: 00007fff46480cb0 R08: 0000000000000000 R09: 0000000000000000
[   63.614254][ T1131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.614499][ T1131] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff46481420
| [   63.622644][ T1131] ------------[ cut here ]------------
| [   63.622829][ T1131] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1131
| [   63.623143][ T1131] Modules linked in:
| [   63.623611][ T1131] Tainted: [W]=WARN
[   63.623757][ T1131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.623986][ T1131] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.624205][ T1131] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.624727][ T1131] RSP: 0018:ffa00000034a71b0 EFLAGS: 00010286
[   63.624961][ T1131] RAX: 00000000ffffffa6 RBX: ff11000008dc7380 RCX: 1ff4000000694dfc
[   63.625206][ T1131] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc743c
[   63.625450][ T1131] RBP: ff110000086a9000 R08: 1fe22000011b8e89 R09: ff110000095e2e80
[   63.625700][ T1131] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.625964][ T1131] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   63.626209][ T1131] FS:  00007f57f0f13840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   63.626485][ T1131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.626706][ T1131] CR2: 000000000042ebe0 CR3: 0000000010afd006 CR4: 0000000000771ef0
[   63.626972][ T1131] PKRU: 55555554
[   63.627118][ T1131] Call Trace:
[   63.627264][ T1131]  <TASK>
[   63.627379][ T1131]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.627567][ T1131]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.627716][ T1131]  __dev_notify_flags (net/core/dev.c:9787)
[   63.627920][ T1131]  ? netif_change_name (net/core/dev.c:1495)
[   63.628100][ T1131]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   63.628279][ T1131]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.628460][ T1131]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   63.628649][ T1131]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   63.628836][ T1131]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   63.629025][ T1131]  ? __dev_get_by_name (net/core/dev.c:883)
[   63.629206][ T1131]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   63.629390][ T1131]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   63.629583][ T1131]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.629764][ T1131]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.629963][ T1131]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.630144][ T1131]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.630320][ T1131]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.630498][ T1131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.630693][ T1131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.630895][ T1131]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.631078][ T1131]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.631261][ T1131]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.631439][ T1131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.631625][ T1131]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.631806][ T1131]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.632008][ T1131]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.632188][ T1131]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.632366][ T1131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.632552][ T1131]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.632734][ T1131]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.632935][ T1131]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.633118][ T1131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.633297][ T1131]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.633479][ T1131]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.633663][ T1131]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.633853][ T1131]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.634047][ T1131]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.634228][ T1131]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.634406][ T1131]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.634592][ T1131]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.634804][ T1131]  ? move_addr_to_kernel (net/socket.c:258)
[   63.635008][ T1131]  ___sys_sendmsg (net/socket.c:2752)
[   63.635185][ T1131]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.635363][ T1131]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.635556][ T1131]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   63.635738][ T1131]  __sys_sendmsg (net/socket.c:2784)
[   63.635941][ T1131]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.636126][ T1131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.636304][ T1131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.636484][ T1131]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.636666][ T1131]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.636851][ T1131]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.637045][ T1131]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.637254][ T1131] RIP: 0033:0x7f57f114d08e
[   63.637439][ T1131] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.637977][ T1131] RSP: 002b:00007fff46480ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.638222][ T1131] RAX: ffffffffffffffda RBX: 00007fff46481448 RCX: 00007f57f114d08e
[   63.638463][ T1131] RDX: 0000000000000000 RSI: 00007fff46480d50 RDI: 0000000000000005
[   63.638717][ T1131] RBP: 00007fff46480cb0 R08: 0000000000000000 R09: 0000000000000000
[   63.638982][ T1131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.639225][ T1131] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff46481420
| [   63.683231][ T1132] ------------[ cut here ]------------
| [   63.683374][ T1132] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1132
| [   63.683628][ T1132] Modules linked in:
| [   63.683994][ T1132] Tainted: [W]=WARN
[   63.684089][ T1132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.684247][ T1132] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.684410][ T1132] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.684871][ T1132] RSP: 0018:ffa00000034b6ff8 EFLAGS: 00010286
[   63.685031][ T1132] RAX: 00000000ffffffa6 RBX: ff11000008dc78c0 RCX: 1ff4000000696dc5
[   63.685217][ T1132] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc797c
[   63.685404][ T1132] RBP: ff1100000b4d4000 R08: 1fe22000011b8f31 R09: ff110000095e0b58
[   63.685595][ T1132] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.685782][ T1132] R13: 0000000000000000 R14: ffa00000034b7140 R15: ff1100000fc8bbd0
[   63.685984][ T1132] FS:  00007f8dbc652840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.686205][ T1132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.686363][ T1132] CR2: 00007f8dbc9221a0 CR3: 0000000009ccf003 CR4: 0000000000771ef0
[   63.686553][ T1132] PKRU: 55555554
[   63.686648][ T1132] Call Trace:
[   63.686742][ T1132]  <TASK>
[   63.686809][ T1132]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   63.686948][ T1132]  __dev_change_net_namespace (net/core/dev.c:12635)
[   63.687107][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.687233][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.687360][ T1132]  ? default_device_exit_batch (net/core/dev.c:13091)
[   63.687518][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.687644][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.687771][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.687909][ T1132]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.688036][ T1132]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.688170][ T1132]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   63.688300][ T1132]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.688428][ T1132]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.688590][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.688717][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.688850][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.688982][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.689109][ T1132]  ? __kernel_text_address (kernel/extable.c:79)
[   63.689237][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.689365][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.689491][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.689623][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.689752][ T1132]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.689891][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.690019][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.690144][ T1132]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.690272][ T1132]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.690399][ T1132]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.690530][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.690658][ T1132]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.690784][ T1132]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.690929][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.691059][ T1132]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.691188][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.691314][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.691443][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.691574][ T1132]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.691700][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.691834][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.692043][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.692170][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.692298][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.692425][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.692551][ T1132]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.692676][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.692800][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.692939][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.693066][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.693191][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.693319][ T1132]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.693446][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.693576][ T1132]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.693706][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.693834][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.693971][ T1132]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.694099][ T1132]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.694225][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.694352][ T1132]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.694479][ T1132]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.694610][ T1132]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.694738][ T1132]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.694876][ T1132]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.695005][ T1132]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.695161][ T1132]  ? move_addr_to_kernel (net/socket.c:258)
[   63.695289][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.695415][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.695546][ T1132]  ___sys_sendmsg (net/socket.c:2752)
[   63.695671][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.695833][ T1132]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.695978][ T1132]  __sys_sendmsg (net/socket.c:2784)
[   63.696103][ T1132]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.696227][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.696384][ T1132]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.696514][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.696644][ T1132]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.696773][ T1132]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.696910][ T1132]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.697036][ T1132]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.697193][ T1132] RIP: 0033:0x7f8dbc88c08e
[   63.697325][ T1132] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.697776][ T1132] RSP: 002b:00007ffdab996020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.697985][ T1132] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8dbc88c08e
[   63.698172][ T1132] RDX: 0000000000000000 RSI: 00007ffdab9960d0 RDI: 0000000000000005
[   63.698364][ T1132] RBP: 00007ffdab996030 R08: 0000000000000000 R09: 0000000000000000
[   63.698552][ T1132] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.698741][ T1132] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab9967a0
| [   63.701274][ T1132] ------------[ cut here ]------------
| [   63.701403][ T1132] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1132
| [   63.701658][ T1132] Modules linked in:
| [   63.702340][ T1132] Tainted: [W]=WARN
[   63.702436][ T1132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.702599][ T1132] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.702763][ T1132] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.703225][ T1132] RSP: 0018:ffa00000034b6fc0 EFLAGS: 00010286
[   63.703385][ T1132] RAX: 00000000ffffffa6 RBX: ff110000102651c0 RCX: 1ff4000000696dbe
[   63.703577][ T1132] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001026527c
[   63.703767][ T1132] RBP: ff1100000b4d4000 R08: 1fe220000204ca51 R09: ff110000095e0b58
[   63.703967][ T1132] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.704158][ T1132] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc8bbd0
[   63.704349][ T1132] FS:  00007f8dbc652840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.704575][ T1132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.704733][ T1132] CR2: 00007f8dbc9221a0 CR3: 0000000009ccf003 CR4: 0000000000771ef0
[   63.704936][ T1132] PKRU: 55555554
[   63.705032][ T1132] Call Trace:
[   63.705127][ T1132]  <TASK>
[   63.705193][ T1132]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.705321][ T1132]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.705449][ T1132]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.705550][ T1132]  __dev_change_net_namespace (net/core/dev.c:12695)
[   63.705711][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.705846][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.705978][ T1132]  ? default_device_exit_batch (net/core/dev.c:13091)
[   63.706136][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.706263][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.706390][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.706520][ T1132]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.706647][ T1132]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.706776][ T1132]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   63.706913][ T1132]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.707042][ T1132]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.707200][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.707325][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.707451][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.707580][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.707707][ T1132]  ? __kernel_text_address (kernel/extable.c:79)
[   63.707838][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.707972][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.708098][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.708225][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.708352][ T1132]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.708478][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.708609][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.708735][ T1132]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.708870][ T1132]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.708997][ T1132]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.709123][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.709252][ T1132]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.709378][ T1132]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.709511][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.709643][ T1132]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.709773][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.709911][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.710038][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.710164][ T1132]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.710291][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.710420][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.710549][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.710676][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.710803][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.710942][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.711070][ T1132]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.711199][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.711326][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.711453][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.711585][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.711712][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.711845][ T1132]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.711977][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.712104][ T1132]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.712235][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.712362][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.712491][ T1132]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.712623][ T1132]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.712750][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.712887][ T1132]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.713015][ T1132]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.713144][ T1132]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.713273][ T1132]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.713401][ T1132]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.713533][ T1132]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.713690][ T1132]  ? move_addr_to_kernel (net/socket.c:258)
[   63.713825][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.713959][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.714087][ T1132]  ___sys_sendmsg (net/socket.c:2752)
[   63.714214][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.714371][ T1132]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.714516][ T1132]  __sys_sendmsg (net/socket.c:2784)
[   63.714643][ T1132]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.714769][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.714940][ T1132]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.715067][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.715196][ T1132]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.715323][ T1132]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.715451][ T1132]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.715581][ T1132]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.715737][ T1132] RIP: 0033:0x7f8dbc88c08e
[   63.715879][ T1132] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.716331][ T1132] RSP: 002b:00007ffdab996020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.716528][ T1132] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8dbc88c08e
[   63.716717][ T1132] RDX: 0000000000000000 RSI: 00007ffdab9960d0 RDI: 0000000000000005
[   63.716915][ T1132] RBP: 00007ffdab996030 R08: 0000000000000000 R09: 0000000000000000
[   63.717104][ T1132] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.717294][ T1132] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab9967a0
| [   63.719143][ T1132] ------------[ cut here ]------------
| [   63.719268][ T1132] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1132
| [   63.719518][ T1132] Modules linked in:
| [   63.720379][ T1132] Tainted: [W]=WARN
[   63.720476][ T1132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.720638][ T1132] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.720804][ T1132] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.721317][ T1132] RSP: 0018:ffa00000034b7038 EFLAGS: 00010286
[   63.721478][ T1132] RAX: 00000000ffffffa6 RBX: ff11000010264e40 RCX: 1ff4000000696dcd
[   63.721672][ T1132] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010264efc
[   63.721928][ T1132] RBP: ff1100000b4d4000 R08: 1fe220000204c9e1 R09: ff110000095e0b58
[   63.722118][ T1132] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   63.722308][ T1132] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   63.722498][ T1132] FS:  00007f8dbc652840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.722726][ T1132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.722946][ T1132] CR2: 00007f8dbc9221a0 CR3: 0000000009ccf003 CR4: 0000000000771ef0
[   63.723138][ T1132] PKRU: 55555554
[   63.723234][ T1132] Call Trace:
[   63.723329][ T1132]  <TASK>
[   63.723394][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.723522][ T1132]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   63.723649][ T1132]  notifier_call_chain (kernel/notifier.c:85)
[   63.723777][ T1132]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   63.723964][ T1132]  ? default_device_exit_batch (net/core/dev.c:13091)
[   63.724124][ T1132]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   63.724284][ T1132]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.724413][ T1132]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.724546][ T1132]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   63.724676][ T1132]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.724804][ T1132]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.725022][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.725150][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.725279][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.725406][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.725537][ T1132]  ? __kernel_text_address (kernel/extable.c:79)
[   63.725666][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.725795][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.725980][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.726109][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.726240][ T1132]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.726367][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.726493][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.726624][ T1132]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.726752][ T1132]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.726939][ T1132]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.727067][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.727196][ T1132]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.727324][ T1132]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.727453][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.727585][ T1132]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.727715][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.727847][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.728028][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.728155][ T1132]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.728281][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.728412][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.728541][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.728668][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.728795][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.728983][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.729111][ T1132]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.729237][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.729366][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.729492][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.729625][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.729751][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.729939][ T1132]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.730066][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.730194][ T1132]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.730324][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.730452][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.730583][ T1132]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.730710][ T1132]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.730845][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.731026][ T1132]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.731154][ T1132]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.731282][ T1132]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.731414][ T1132]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.731544][ T1132]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.731672][ T1132]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.731833][ T1132]  ? move_addr_to_kernel (net/socket.c:258)
[   63.732018][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.732145][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.732274][ T1132]  ___sys_sendmsg (net/socket.c:2752)
[   63.732402][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.732563][ T1132]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.732702][ T1132]  __sys_sendmsg (net/socket.c:2784)
[   63.732834][ T1132]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.733021][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.733182][ T1132]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.733310][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.733439][ T1132]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.733570][ T1132]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.733698][ T1132]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.733831][ T1132]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.734045][ T1132] RIP: 0033:0x7f8dbc88c08e
[   63.734178][ T1132] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.734635][ T1132] RSP: 002b:00007ffdab996020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.734831][ T1132] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8dbc88c08e
[   63.735078][ T1132] RDX: 0000000000000000 RSI: 00007ffdab9960d0 RDI: 0000000000000005
[   63.735268][ T1132] RBP: 00007ffdab996030 R08: 0000000000000000 R09: 0000000000000000
[   63.735460][ T1132] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.735652][ T1132] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab9967a0
| [   63.744602][ T1132] ------------[ cut here ]------------
| [   63.744744][ T1132] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1132
| [   63.745011][ T1132] Modules linked in:
| [   63.745372][ T1132] Tainted: [W]=WARN
[   63.745470][ T1132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.745635][ T1132] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.745803][ T1132] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.746275][ T1132] RSP: 0018:ffa00000034b7020 EFLAGS: 00010286
[   63.746438][ T1132] RAX: 00000000ffffffa6 RBX: ff110000105f3000 RCX: 1ff4000000696dca
[   63.746633][ T1132] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f30bc
[   63.746829][ T1132] RBP: ff1100000b4d4000 R08: 1fe22000020be619 R09: ff110000095e0b58
[   63.747029][ T1132] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   63.747220][ T1132] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.747414][ T1132] FS:  00007f8dbc652840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   63.747643][ T1132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.747803][ T1132] CR2: 000055dfefee0a78 CR3: 0000000009ccf001 CR4: 0000000000771ef0
[   63.748010][ T1132] PKRU: 55555554
[   63.748106][ T1132] Call Trace:
[   63.748202][ T1132]  <TASK>
[   63.748269][ T1132]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.748405][ T1132]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.748503][ T1132]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.748634][ T1132]  __dev_notify_flags (net/core/dev.c:9787)
[   63.748764][ T1132]  ? netif_change_name (net/core/dev.c:1495)
[   63.748901][ T1132]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.749035][ T1132]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.749163][ T1132]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   63.749323][ T1132]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.749454][ T1132]  netif_change_flags (net/core/dev.c:9820)
[   63.749585][ T1132]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.749716][ T1132]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.749852][ T1132]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.750019][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.750147][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.750276][ T1132]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.750405][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.750538][ T1132]  ? __kernel_text_address (kernel/extable.c:79)
[   63.750668][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.750799][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.750938][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.751068][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.751196][ T1132]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.751324][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.751452][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.751583][ T1132]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.751713][ T1132]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.751849][ T1132]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.751984][ T1132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.752114][ T1132]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.752243][ T1132]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.752374][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.752508][ T1132]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.752639][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.752768][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.752909][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.753037][ T1132]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.753165][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.753297][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.753425][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.753555][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.753686][ T1132]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.753816][ T1132]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.753957][ T1132]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.754087][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.754216][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.754344][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.754474][ T1132]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.754605][ T1132]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.754735][ T1132]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.754876][ T1132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.755005][ T1132]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.755137][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.755266][ T1132]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.755396][ T1132]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.755530][ T1132]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.755661][ T1132]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.755792][ T1132]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.755935][ T1132]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.756065][ T1132]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.756196][ T1132]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.756325][ T1132]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.756455][ T1132]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.756618][ T1132]  ? move_addr_to_kernel (net/socket.c:258)
[   63.756748][ T1132]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.756889][ T1132]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.757020][ T1132]  ___sys_sendmsg (net/socket.c:2752)
[   63.757148][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.757308][ T1132]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.757451][ T1132]  __sys_sendmsg (net/socket.c:2784)
[   63.757583][ T1132]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.757712][ T1132]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.757885][ T1132]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.758014][ T1132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.758144][ T1132]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.758272][ T1132]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.758402][ T1132]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.758536][ T1132]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.758695][ T1132] RIP: 0033:0x7f8dbc88c08e
[   63.758834][ T1132] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.759302][ T1132] RSP: 002b:00007ffdab996020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.759497][ T1132] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8dbc88c08e
[   63.759693][ T1132] RDX: 0000000000000000 RSI: 00007ffdab9960d0 RDI: 0000000000000005
[   63.759900][ T1132] RBP: 00007ffdab996030 R08: 0000000000000000 R09: 0000000000000000
[   63.760092][ T1132] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2b
[   63.760284][ T1132] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdab9967a0
| [   63.850227][ T1135] ------------[ cut here ]------------
| [   63.850408][ T1135] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1135
| [   63.850717][ T1135] Modules linked in:
| [   63.851644][ T1135] Tainted: [W]=WARN
[   63.851807][ T1135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.852032][ T1135] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.852246][ T1135] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.852749][ T1135] RSP: 0018:ffa00000034e7020 EFLAGS: 00010286
[   63.852977][ T1135] RAX: 00000000ffffffa6 RBX: ff1100000fe90740 RCX: 1ff400000069cdca
[   63.853215][ T1135] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe907fc
[   63.853458][ T1135] RBP: ff11000008bac000 R08: 1fe2200001fd2101 R09: ff11000012460b58
[   63.853704][ T1135] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   63.853963][ T1135] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.854205][ T1135] FS:  00007f279a92a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   63.854476][ T1135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.854687][ T1135] CR2: 0000000018f9c988 CR3: 00000000107fb004 CR4: 0000000000771ef0
[   63.854943][ T1135] PKRU: 55555554
[   63.855085][ T1135] Call Trace:
[   63.855230][ T1135]  <TASK>
[   63.855343][ T1135]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.855525][ T1135]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.855671][ T1135]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.855853][ T1135]  __dev_notify_flags (net/core/dev.c:9787)
[   63.856045][ T1135]  ? netif_change_name (net/core/dev.c:1495)
[   63.856221][ T1135]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.856397][ T1135]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.856583][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.856760][ T1135]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   63.856958][ T1135]  netif_change_flags (net/core/dev.c:9820)
[   63.857136][ T1135]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.857312][ T1135]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.857490][ T1135]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.857677][ T1135]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.857904][ T1135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.858079][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.858254][ T1135]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.858429][ T1135]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.858616][ T1135]  ? __kernel_text_address (kernel/extable.c:79)
[   63.858793][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.858996][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.859171][ T1135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.859347][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.859528][ T1135]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.859705][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.859901][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.860079][ T1135]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.860257][ T1135]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   63.860432][ T1135]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.860617][ T1135]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.860794][ T1135]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.860994][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.861173][ T1135]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.861351][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.861530][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.861711][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.861908][ T1135]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.862082][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.862259][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.862432][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.862617][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.862793][ T1135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.862991][ T1135]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.863169][ T1135]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.863346][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.863525][ T1135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.863703][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.863901][ T1135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.864074][ T1135]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.864250][ T1135]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.864425][ T1135]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.864616][ T1135]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.864796][ T1135]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.864991][ T1135]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.865170][ T1135]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.865346][ T1135]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.865526][ T1135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.865704][ T1135]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.865904][ T1135]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.866082][ T1135]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.866258][ T1135]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.866433][ T1135]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.866615][ T1135]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.866827][ T1135]  ? move_addr_to_kernel (net/socket.c:258)
[   63.867016][ T1135]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.867196][ T1135]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.867372][ T1135]  ___sys_sendmsg (net/socket.c:2752)
[   63.867552][ T1135]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.867759][ T1135]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.867963][ T1135]  __sys_sendmsg (net/socket.c:2784)
[   63.868143][ T1135]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.868319][ T1135]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.868534][ T1135]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.868710][ T1135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.868909][ T1135]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.869086][ T1135]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.869262][ T1135]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.869439][ T1135]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.869650][ T1135] RIP: 0033:0x7f279ab6408e
[   63.869837][ T1135] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.870352][ T1135] RSP: 002b:00007ffdc5055260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.870598][ T1135] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f279ab6408e
[   63.870842][ T1135] RDX: 0000000000000000 RSI: 00007ffdc5055310 RDI: 0000000000000005
[   63.871096][ T1135] RBP: 00007ffdc5055270 R08: 0000000000000000 R09: 0000000000000000
[   63.871334][ T1135] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   63.871581][ T1135] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc50559e0
| [   63.874651][   T38] ------------[ cut here ]------------
| [   63.874780][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   63.875044][   T38] Modules linked in:
| [   63.875408][   T38] Tainted: [W]=WARN
[   63.875496][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.875656][   T38] Workqueue: events_unbound linkwatch_event
[   63.875810][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.875975][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.876398][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   63.876549][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c04a580 RCX: 1ff4000000055f02
[   63.876724][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a63c
[   63.876928][   T38] RBP: ff11000008bac000 R08: 1fe22000018094c9 R09: ff11000001da2ea8
[   63.877102][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   63.877279][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   63.877454][   T38] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.877670][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.877821][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29005 CR4: 0000000000771ef0
[   63.878010][   T38] PKRU: 55555554
[   63.878098][   T38] Call Trace:
[   63.878191][   T38]  <TASK>
[   63.878254][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.878373][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.878493][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.878591][   T38]  netif_state_change (net/core/dev.c:1605)
[   63.878711][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   63.878864][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   63.878990][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   63.879113][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.879232][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   63.879350][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   63.879468][   T38]  process_one_work (kernel/workqueue.c:3314)
[   63.879594][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   63.879712][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.879841][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   63.879969][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   63.880086][   T38]  kthread (kernel/kthread.c:436)
[   63.880184][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   63.880328][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   63.880450][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   63.880573][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   63.880720][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   63.880843][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   63.880966][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   63.882791][   T38] ------------[ cut here ]------------
| [   63.882923][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   63.883166][   T38] Modules linked in:
| [   63.883528][   T38] Tainted: [W]=WARN
[   63.883617][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.883766][   T38] Workqueue: events_unbound linkwatch_event
[   63.883929][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.884085][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   63.884519][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   63.884669][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c04ae40 RCX: 1ff4000000055f02
[   63.884852][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04aefc
[   63.885041][   T38] RBP: ff11000010619000 R08: 1fe22000018095e1 R09: ff11000001da2ea8
[   63.885219][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   63.885400][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   63.885580][   T38] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   63.885786][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.885945][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29005 CR4: 0000000000771ef0
[   63.886125][   T38] PKRU: 55555554
[   63.886215][   T38] Call Trace:
[   63.886303][   T38]  <TASK>
[   63.886366][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.886486][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.886605][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.886702][   T38]  netif_state_change (net/core/dev.c:1605)
[   63.886826][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   63.886979][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   63.887098][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   63.887217][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.887339][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   63.887459][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   63.887584][   T38]  process_one_work (kernel/workqueue.c:3314)
[   63.887706][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   63.887830][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.887960][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   63.888083][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   63.888203][   T38]  kthread (kernel/kthread.c:436)
[   63.888292][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   63.888439][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   63.888562][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   63.888680][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   63.888833][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   63.888959][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   63.889080][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.009711][ T1140] ------------[ cut here ]------------
| [   64.009913][ T1140] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1140
| [   64.010216][ T1140] Modules linked in:
| [   64.010678][ T1140] Tainted: [W]=WARN
[   64.010839][ T1140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.011159][ T1140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.011465][ T1140] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.012079][ T1140] RSP: 0018:ffa0000003507020 EFLAGS: 00010286
[   64.012376][ T1140] RAX: 00000000ffffffa6 RBX: ff1100000fc4a900 RCX: 1ff40000006a0dca
[   64.012709][ T1140] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a9bc
[   64.013035][ T1140] RBP: ff110000086a9000 R08: 1fe2200001f89539 R09: ff11000010480b58
[   64.013295][ T1140] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   64.013534][ T1140] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.013777][ T1140] FS:  00007fc8bd87e840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   64.014071][ T1140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.014281][ T1140] CR2: 0000000019262988 CR3: 00000000107fb005 CR4: 0000000000771ef0
[   64.014522][ T1140] PKRU: 55555554
[   64.014667][ T1140] Call Trace:
[   64.014810][ T1140]  <TASK>
[   64.014944][ T1140]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.015125][ T1140]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.015271][ T1140]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.015446][ T1140]  __dev_notify_flags (net/core/dev.c:9787)
[   64.015630][ T1140]  ? netif_change_name (net/core/dev.c:1495)
[   64.015807][ T1140]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.016010][ T1140]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.016186][ T1140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.016363][ T1140]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   64.016546][ T1140]  netif_change_flags (net/core/dev.c:9820)
[   64.016724][ T1140]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.016918][ T1140]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.017101][ T1140]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.017279][ T1140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.017486][ T1140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.017667][ T1140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.017849][ T1140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.018038][ T1140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.018215][ T1140]  ? __kernel_text_address (kernel/extable.c:79)
[   64.018391][ T1140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.018578][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.018754][ T1140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.018952][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.019131][ T1140]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.019305][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.019481][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.019665][ T1140]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.019847][ T1140]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   64.020038][ T1140]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.020216][ T1140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.020396][ T1140]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.020584][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.020763][ T1140]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.020962][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.021138][ T1140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.021317][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.021494][ T1140]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.021680][ T1140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.021883][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.022061][ T1140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.022239][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.022417][ T1140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.022601][ T1140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.022778][ T1140]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.022975][ T1140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.023151][ T1140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.023325][ T1140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.023502][ T1140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.023685][ T1140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.023883][ T1140]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.024060][ T1140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.024235][ T1140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.024413][ T1140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.024594][ T1140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.024773][ T1140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.024972][ T1140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.025151][ T1140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.025327][ T1140]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.025505][ T1140]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.025688][ T1140]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.025885][ T1140]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.026062][ T1140]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.026237][ T1140]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.026441][ T1140]  ? move_addr_to_kernel (net/socket.c:258)
[   64.026627][ T1140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.026803][ T1140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.027004][ T1140]  ___sys_sendmsg (net/socket.c:2752)
[   64.027177][ T1140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.027385][ T1140]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.027580][ T1140]  __sys_sendmsg (net/socket.c:2784)
[   64.027759][ T1140]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.027960][ T1140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.028173][ T1140]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.028349][ T1140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.028530][ T1140]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.028706][ T1140]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.028901][ T1140]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.029080][ T1140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.029288][ T1140] RIP: 0033:0x7fc8bdab808e
[   64.029468][ T1140] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.029992][ T1140] RSP: 002b:00007ffee4c78ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.030232][ T1140] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc8bdab808e
[   64.030471][ T1140] RDX: 0000000000000000 RSI: 00007ffee4c78f90 RDI: 0000000000000005
[   64.030714][ T1140] RBP: 00007ffee4c78ef0 R08: 0000000000000000 R09: 0000000000000000
[   64.030973][ T1140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   64.031209][ T1140] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee4c79660
| [   64.034211][   T38] ------------[ cut here ]------------
| [   64.034343][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [   64.034580][   T38] Modules linked in:
| [   64.034957][   T38] Tainted: [W]=WARN
[   64.035047][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.035194][   T38] Workqueue: events_unbound linkwatch_event
[   64.035348][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.035501][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.035956][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   64.036106][   T38] RAX: 00000000ffffffa6 RBX: ff110000126be040 RCX: 1ff4000000055f02
[   64.036285][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126be0fc
[   64.036461][   T38] RBP: ff1100000b4d4000 R08: 1fe22000024d7c21 R09: ff11000001da2ea8
[   64.036639][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   64.036815][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.037007][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   64.037214][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.037362][   T38] CR2: 00007f1d2b1ba310 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   64.037543][   T38] PKRU: 55555554
[   64.037631][   T38] Call Trace:
[   64.037719][   T38]  <TASK>
[   64.037782][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.037912][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   64.038036][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.038127][   T38]  netif_state_change (net/core/dev.c:1605)
[   64.038246][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   64.038395][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   64.038517][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   64.038638][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.038759][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   64.038887][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   64.039006][   T38]  process_one_work (kernel/workqueue.c:3314)
[   64.039128][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   64.039246][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.039367][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.039491][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.039611][   T38]  kthread (kernel/kthread.c:436)
[   64.039700][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.039850][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.039974][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.040094][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   64.040241][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.040365][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.040483][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.081740][ T1141] ------------[ cut here ]------------
| [   64.081900][ T1141] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1141
| [   64.082154][ T1141] Modules linked in:
| [   64.082520][ T1141] Tainted: [W]=WARN
[   64.082617][ T1141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.082779][ T1141] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.082963][ T1141] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.083420][ T1141] RSP: 0018:ffa0000003397150 EFLAGS: 00010286
[   64.083584][ T1141] RAX: 00000000ffffffa6 RBX: ff110000126bf1c0 RCX: 1ff4000000672df0
[   64.083774][ T1141] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf27c
[   64.083991][ T1141] RBP: ff110000086a9000 R08: 1fe22000024d7e51 R09: ff11000010485158
[   64.084183][ T1141] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   64.084376][ T1141] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc6bbc0
[   64.084577][ T1141] FS:  00007fdc28059840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   64.084801][ T1141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.084977][ T1141] CR2: 00000000004eba70 CR3: 0000000010af3006 CR4: 0000000000771ef0
[   64.085175][ T1141] PKRU: 55555554
[   64.085272][ T1141] Call Trace:
[   64.085369][ T1141]  <TASK>
[   64.085435][ T1141]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.085569][ T1141]  ? notifier_call_chain (kernel/notifier.c:85)
[   64.085699][ T1141]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.085797][ T1141]  netif_state_change (net/core/dev.c:1605)
[   64.085939][ T1141]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   64.086099][ T1141]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   64.086260][ T1141]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   64.086387][ T1141]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   64.086520][ T1141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.086649][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.086777][ T1141]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   64.086914][ T1141]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.087043][ T1141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.087172][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.087317][ T1141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.087451][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.087582][ T1141]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.087708][ T1141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.087839][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.087977][ T1141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.088108][ T1141]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   64.088235][ T1141]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.088363][ T1141]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.088493][ T1141]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.088625][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.088757][ T1141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.088977][ T1141]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.089108][ T1141]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.089238][ T1141]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.089366][ T1141]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.089498][ T1141]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.089630][ T1141]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.089759][ T1141]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.089961][ T1141]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.090144][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.090276][ T1141]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.090407][ T1141]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.090541][ T1141]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.090672][ T1141]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.090801][ T1141]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.091013][ T1141]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.091174][ T1141]  ? move_addr_to_kernel (net/socket.c:258)
[   64.091302][ T1141]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.091432][ T1141]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.091599][ T1141]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.091727][ T1141]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.091979][ T1141]  ___sys_sendmsg (net/socket.c:2752)
[   64.092109][ T1141]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.092238][ T1141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.092374][ T1141]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   64.092501][ T1141]  ? do_getsockname (net/socket.c:2192)
[   64.092637][ T1141]  __sys_sendmsg (net/socket.c:2784)
[   64.092766][ T1141]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.092977][ T1141]  ? __sys_getsockname (net/socket.c:2210)
[   64.093106][ T1141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.093236][ T1141]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.093366][ T1141]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.093497][ T1141]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.093630][ T1141]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.093791][ T1141] RIP: 0033:0x7fdc2829308e
[   64.094005][ T1141] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.094466][ T1141] RSP: 002b:00007ffe34a186e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.094663][ T1141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc2829308e
[   64.094860][ T1141] RDX: 0000000000000000 RSI: 00007ffe34a18790 RDI: 0000000000000006
[   64.095061][ T1141] RBP: 00007ffe34a186f0 R08: 0000000000000000 R09: 0000000000000000
[   64.095252][ T1141] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   64.095443][ T1141] R13: 00007ffe34a18840 R14: 00007ffe34a1c84c R15: 0000000000000000
| [   64.265972][ T1147] ------------[ cut here ]------------
| [   64.266166][ T1147] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1147
| [   64.266482][ T1147] Modules linked in:
| [   64.266977][ T1147] Tainted: [W]=WARN
[   64.267127][ T1147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.267343][ T1147] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.267575][ T1147] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.268115][ T1147] RSP: 0018:ffa00000035371b0 EFLAGS: 00010286
[   64.268334][ T1147] RAX: 00000000ffffffa6 RBX: ff1100000c04a900 RCX: 1ff40000006a6dfc
[   64.268590][ T1147] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a9bc
[   64.268842][ T1147] RBP: ff11000010111000 R08: 1fe2200001809539 R09: ff11000012502e80
[   64.269102][ T1147] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   64.269347][ T1147] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   64.269604][ T1147] FS:  00007f669e8c2840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   64.269907][ T1147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.270122][ T1147] CR2: 00000000004a2860 CR3: 00000000107fb003 CR4: 0000000000771ef0
[   64.270371][ T1147] PKRU: 55555554
[   64.270522][ T1147] Call Trace:
[   64.270673][ T1147]  <TASK>
[   64.270791][ T1147]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.270998][ T1147]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.271149][ T1147]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   64.271333][ T1147]  __dev_notify_flags (net/core/dev.c:9787)
[   64.271520][ T1147]  ? netif_change_name (net/core/dev.c:1495)
[   64.271705][ T1147]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   64.271910][ T1147]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   64.272095][ T1147]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.272279][ T1147]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   64.272463][ T1147]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   64.272656][ T1147]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.272846][ T1147]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   64.273044][ T1147]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   64.273229][ T1147]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.273411][ T1147]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.273601][ T1147]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.273790][ T1147]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.273997][ T1147]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.274184][ T1147]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.274364][ T1147]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.274555][ T1147]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.274738][ T1147]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.274943][ T1147]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.275131][ T1147]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.275315][ T1147]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.275499][ T1147]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.275691][ T1147]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.275895][ T1147]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.276080][ T1147]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.276267][ T1147]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.276448][ T1147]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.276639][ T1147]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.276831][ T1147]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.277025][ T1147]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.277212][ T1147]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.277394][ T1147]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.277589][ T1147]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.277775][ T1147]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.277982][ T1147]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.278169][ T1147]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.278356][ T1147]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.278545][ T1147]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.278731][ T1147]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.278939][ T1147]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.279126][ T1147]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.279342][ T1147]  ? move_addr_to_kernel (net/socket.c:258)
[   64.279534][ T1147]  ___sys_sendmsg (net/socket.c:2752)
[   64.279720][ T1147]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.279925][ T1147]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.280151][ T1147]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   64.280338][ T1147]  __sys_sendmsg (net/socket.c:2784)
[   64.280526][ T1147]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.280717][ T1147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.280917][ T1147]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.281101][ T1147]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.281284][ T1147]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.281467][ T1147]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.281691][ T1147] RIP: 0033:0x7f669eafc08e
[   64.281902][ T1147] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.282424][ T1147] RSP: 002b:00007ffd59e84270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.282685][ T1147] RAX: ffffffffffffffda RBX: 00007ffd59e84a18 RCX: 00007f669eafc08e
[   64.282952][ T1147] RDX: 0000000000000000 RSI: 00007ffd59e84320 RDI: 0000000000000005
[   64.283201][ T1147] RBP: 00007ffd59e84280 R08: 0000000000000000 R09: 0000000000000000
[   64.283448][ T1147] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   64.283714][ T1147] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd59e849f0
| [   64.309305][ T1148] ------------[ cut here ]------------
| [   64.309453][ T1148] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1148
| [   64.309724][ T1148] Modules linked in:
| [   64.310101][ T1148] Tainted: [W]=WARN
[   64.310200][ T1148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.310363][ T1148] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.310537][ T1148] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.311013][ T1148] RSP: 0018:ffa0000003547020 EFLAGS: 00010286
[   64.311178][ T1148] RAX: 00000000ffffffa6 RBX: ff110000109b9700 RCX: 1ff40000006a8dca
[   64.311372][ T1148] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b97bc
[   64.311570][ T1148] RBP: ff11000010111000 R08: 1fe22000021372f9 R09: ff11000012505158
[   64.311765][ T1148] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   64.311968][ T1148] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.312163][ T1148] FS:  00007f5dc3e38840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   64.312389][ T1148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.312555][ T1148] CR2: 000000001a3f2988 CR3: 00000000107fb005 CR4: 0000000000771ef0
[   64.312753][ T1148] PKRU: 55555554
[   64.312857][ T1148] Call Trace:
[   64.312962][ T1148]  <TASK>
[   64.313029][ T1148]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.313161][ T1148]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.313260][ T1148]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.313390][ T1148]  __dev_notify_flags (net/core/dev.c:9787)
[   64.313522][ T1148]  ? netif_change_name (net/core/dev.c:1495)
[   64.313655][ T1148]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.313789][ T1148]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.313931][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.314061][ T1148]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   64.314193][ T1148]  netif_change_flags (net/core/dev.c:9820)
[   64.314324][ T1148]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.314457][ T1148]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.314595][ T1148]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.314727][ T1148]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.314901][ T1148]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.315030][ T1148]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.315159][ T1148]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.315288][ T1148]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.315420][ T1148]  ? __kernel_text_address (kernel/extable.c:79)
[   64.315553][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.315684][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.315814][ T1148]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.316439][ T1148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.316575][ T1148]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.316705][ T1148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.316837][ T1148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.316976][ T1148]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.317107][ T1148]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   64.317237][ T1148]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.317368][ T1148]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.317500][ T1148]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.317637][ T1148]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.317772][ T1148]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.317914][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.318045][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.318175][ T1148]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.318305][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.318433][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.318570][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.318699][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.318834][ T1148]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.318975][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.319106][ T1148]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.319236][ T1148]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.319366][ T1148]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.319495][ T1148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.319627][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.319761][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.319901][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.320033][ T1148]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.320162][ T1148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.320291][ T1148]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.320425][ T1148]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.320557][ T1148]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.320690][ T1148]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.320826][ T1148]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.320963][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.321095][ T1148]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.321226][ T1148]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.321358][ T1148]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.321489][ T1148]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.321622][ T1148]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.321752][ T1148]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.321924][ T1148]  ? move_addr_to_kernel (net/socket.c:258)
[   64.322055][ T1148]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.322186][ T1148]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.322318][ T1148]  ___sys_sendmsg (net/socket.c:2752)
[   64.322448][ T1148]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.322613][ T1148]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.322755][ T1148]  __sys_sendmsg (net/socket.c:2784)
[   64.322896][ T1148]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.323029][ T1148]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.323192][ T1148]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.323322][ T1148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.323452][ T1148]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.323582][ T1148]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.323711][ T1148]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.323987][ T1148]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.324151][ T1148] RIP: 0033:0x7f5dc407208e
[   64.324286][ T1148] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.324749][ T1148] RSP: 002b:00007ffecf718500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.324954][ T1148] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5dc407208e
[   64.325146][ T1148] RDX: 0000000000000000 RSI: 00007ffecf7185b0 RDI: 0000000000000005
[   64.325340][ T1148] RBP: 00007ffecf718510 R08: 0000000000000000 R09: 0000000000000000
[   64.325542][ T1148] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   64.325737][ T1148] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecf718c80
| [   64.473318][ T1153] ------------[ cut here ]------------
| [   64.473470][ T1153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1153
| [   64.473745][ T1153] Modules linked in:
| [   64.474130][ T1153] Tainted: [W]=WARN
[   64.474232][ T1153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.474399][ T1153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.474577][ T1153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.475066][ T1153] RSP: 0018:ffa00000035971b0 EFLAGS: 00010286
[   64.475233][ T1153] RAX: 00000000ffffffa6 RBX: ff1100000ee50040 RCX: 1ff40000006b2dfc
[   64.475433][ T1153] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee500fc
[   64.475637][ T1153] RBP: ff11000005821000 R08: 1fe2200001dca021 R09: ff1100000ec3d180
[   64.475838][ T1153] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   64.476041][ T1153] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   64.476242][ T1153] FS:  00007f56023d7840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   64.476476][ T1153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.476647][ T1153] CR2: 00007f560274c040 CR3: 000000000ef8f005 CR4: 0000000000771ef0
[   64.476852][ T1153] PKRU: 55555554
[   64.476957][ T1153] Call Trace:
[   64.477056][ T1153]  <TASK>
[   64.477125][ T1153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.477261][ T1153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.477363][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.477497][ T1153]  __dev_notify_flags (net/core/dev.c:9787)
[   64.477635][ T1153]  ? netif_change_name (net/core/dev.c:1495)
[   64.477768][ T1153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.477913][ T1153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.478048][ T1153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.478181][ T1153]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.478315][ T1153]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   64.478451][ T1153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.478587][ T1153]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   64.478721][ T1153]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   64.478862][ T1153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.479001][ T1153]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.479134][ T1153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.479272][ T1153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.479409][ T1153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.479549][ T1153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.479681][ T1153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.479817][ T1153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.479959][ T1153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.480090][ T1153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.480226][ T1153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.480360][ T1153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.480494][ T1153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.480629][ T1153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.480762][ T1153]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.480904][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.481038][ T1153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.481169][ T1153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.481302][ T1153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.481435][ T1153]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.481571][ T1153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.481707][ T1153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.481846][ T1153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.481984][ T1153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.482117][ T1153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.482250][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.482384][ T1153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.482521][ T1153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.482654][ T1153]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.482788][ T1153]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.482934][ T1153]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.483068][ T1153]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.483231][ T1153]  ? move_addr_to_kernel (net/socket.c:258)
[   64.483368][ T1153]  ___sys_sendmsg (net/socket.c:2752)
[   64.483499][ T1153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.483634][ T1153]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.483776][ T1153]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   64.483923][ T1153]  __sys_sendmsg (net/socket.c:2784)
[   64.484057][ T1153]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.484192][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.484326][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.484461][ T1153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.484597][ T1153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.484730][ T1153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.484874][ T1153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.485039][ T1153] RIP: 0033:0x7f560261108e
[   64.485179][ T1153] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.485655][ T1153] RSP: 002b:00007ffc951d2810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.485861][ T1153] RAX: ffffffffffffffda RBX: 00007ffc951d2fb8 RCX: 00007f560261108e
[   64.486066][ T1153] RDX: 0000000000000000 RSI: 00007ffc951d28c0 RDI: 0000000000000005
[   64.486265][ T1153] RBP: 00007ffc951d2820 R08: 0000000000000000 R09: 0000000000000000
[   64.486463][ T1153] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   64.486675][ T1153] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc951d2f90
| [   64.514862][ T1154] ------------[ cut here ]------------
| [   64.515054][ T1154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1154
| [   64.515356][ T1154] Modules linked in:
| [   64.515819][ T1154] Tainted: [W]=WARN
[   64.516408][ T1154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.516621][ T1154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.516843][ T1154] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.517360][ T1154] RSP: 0018:ffa00000035a7020 EFLAGS: 00010286
[   64.517579][ T1154] RAX: 00000000ffffffa6 RBX: ff1100000a16a3c0 RCX: 1ff40000006b4dca
[   64.517818][ T1154] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a47c
[   64.518080][ T1154] RBP: ff11000005821000 R08: 1fe220000142d491 R09: ff11000012565158
[   64.518318][ T1154] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   64.518564][ T1154] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.518804][ T1154] FS:  00007f0ce94ef840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   64.519097][ T1154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.519304][ T1154] CR2: 000000001f341988 CR3: 0000000010af3002 CR4: 0000000000771ef0
[   64.519552][ T1154] PKRU: 55555554
[   64.519696][ T1154] Call Trace:
[   64.519846][ T1154]  <TASK>
[   64.519975][ T1154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.520154][ T1154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.520302][ T1154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.520477][ T1154]  __dev_notify_flags (net/core/dev.c:9787)
[   64.520663][ T1154]  ? netif_change_name (net/core/dev.c:1495)
[   64.520849][ T1154]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.521040][ T1154]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.521216][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.521393][ T1154]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   64.521579][ T1154]  netif_change_flags (net/core/dev.c:9820)
[   64.521757][ T1154]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.521954][ T1154]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.522141][ T1154]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.522319][ T1154]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.522530][ T1154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.522707][ T1154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.522906][ T1154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.523086][ T1154]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.523266][ T1154]  ? __kernel_text_address (kernel/extable.c:79)
[   64.523443][ T1154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.523628][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.523805][ T1154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.524003][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.524180][ T1154]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.524355][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.524534][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.524715][ T1154]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.524915][ T1154]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   64.525092][ T1154]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.525269][ T1154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.525446][ T1154]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.525631][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.525812][ T1154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.526011][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.526188][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.526364][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.526544][ T1154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.526719][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.526916][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.527092][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.527269][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.527449][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.527634][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.527811][ T1154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.528011][ T1154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.528189][ T1154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.528365][ T1154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.528549][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.528724][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.528929][ T1154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.529108][ T1154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.529285][ T1154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.529464][ T1154]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.529648][ T1154]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.529834][ T1154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.530023][ T1154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.530203][ T1154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.530381][ T1154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.530565][ T1154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.530742][ T1154]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.530943][ T1154]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.531122][ T1154]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.531296][ T1154]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.531502][ T1154]  ? move_addr_to_kernel (net/socket.c:258)
[   64.531688][ T1154]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.531883][ T1154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.532062][ T1154]  ___sys_sendmsg (net/socket.c:2752)
[   64.532238][ T1154]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.532444][ T1154]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.532638][ T1154]  __sys_sendmsg (net/socket.c:2784)
[   64.532815][ T1154]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.533015][ T1154]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.533225][ T1154]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.533401][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.533587][ T1154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.533763][ T1154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.533961][ T1154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.534138][ T1154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.534347][ T1154] RIP: 0033:0x7f0ce972908e
[   64.534530][ T1154] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.535058][ T1154] RSP: 002b:00007ffdb836f7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.535300][ T1154] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0ce972908e
[   64.535548][ T1154] RDX: 0000000000000000 RSI: 00007ffdb836f880 RDI: 0000000000000005
[   64.535789][ T1154] RBP: 00007ffdb836f7e0 R08: 0000000000000000 R09: 0000000000000000
[   64.536043][ T1154] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   64.536280][ T1154] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb836ff50
| [   64.682374][ T1159] ------------[ cut here ]------------
| [   64.682523][ T1159] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1159
| [   64.682778][ T1159] Modules linked in:
| [   64.683151][ T1159] Tainted: [W]=WARN
[   64.683247][ T1159] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.683407][ T1159] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.683577][ T1159] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.684040][ T1159] RSP: 0018:ffa00000035d7060 EFLAGS: 00010286
[   64.684202][ T1159] RAX: 00000000ffffffa6 RBX: ff1100000a8cf1c0 RCX: 1ff40000006badd2
[   64.684392][ T1159] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf27c
[   64.684582][ T1159] RBP: ff1100000b4d4000 R08: 1fe2200001519e51 R09: ff11000009652e58
[   64.684770][ T1159] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   64.684969][ T1159] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   64.685162][ T1159] FS:  00007fb997a39840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   64.685386][ T1159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.685549][ T1159] CR2: 000000001a6e4988 CR3: 00000000127ea006 CR4: 0000000000771ef0
[   64.685741][ T1159] PKRU: 55555554
[   64.685840][ T1159] Call Trace:
[   64.685941][ T1159]  <TASK>
[   64.686007][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.686137][ T1159]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   64.686266][ T1159]  notifier_call_chain (kernel/notifier.c:85)
[   64.686396][ T1159]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   64.686528][ T1159]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   64.686656][ T1159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.686787][ T1159]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   64.686926][ T1159]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   64.687057][ T1159]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   64.687188][ T1159]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.687316][ T1159]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.687476][ T1159]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.687608][ T1159]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.687738][ T1159]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.687871][ T1159]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.687999][ T1159]  ? __kernel_text_address (kernel/extable.c:79)
[   64.688128][ T1159]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.688257][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.688384][ T1159]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.688517][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.688646][ T1159]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.688773][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.688912][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.689038][ T1159]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.689167][ T1159]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   64.689293][ T1159]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.689420][ T1159]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.689551][ T1159]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.689679][ T1159]  ? nla_get_range_signed (lib/nlattr.c:270)
[   64.689810][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.689954][ T1159]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.690083][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.690210][ T1159]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.690338][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.690464][ T1159]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.690595][ T1159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.690724][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.690855][ T1159]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.690988][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.691114][ T1159]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.691241][ T1159]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.691369][ T1159]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.691496][ T1159]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.691627][ T1159]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.691754][ T1159]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.691893][ T1159]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.692021][ T1159]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.692148][ T1159]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.692274][ T1159]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.692401][ T1159]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.692535][ T1159]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.692664][ T1159]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.692793][ T1159]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.692932][ T1159]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.693060][ T1159]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.693190][ T1159]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.693318][ T1159]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.693447][ T1159]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.693580][ T1159]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.693708][ T1159]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.693838][ T1159]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.694003][ T1159]  ? move_addr_to_kernel (net/socket.c:258)
[   64.694131][ T1159]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.694257][ T1159]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.694386][ T1159]  ___sys_sendmsg (net/socket.c:2752)
[   64.694517][ T1159]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.694675][ T1159]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.694815][ T1159]  __sys_sendmsg (net/socket.c:2784)
[   64.694952][ T1159]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.695079][ T1159]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.695239][ T1159]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.695366][ T1159]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.695494][ T1159]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.695624][ T1159]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.695751][ T1159]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.695889][ T1159]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.696047][ T1159] RIP: 0033:0x7fb997c7308e
[   64.696181][ T1159] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.696640][ T1159] RSP: 002b:00007ffd818b2f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.696836][ T1159] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb997c7308e
[   64.697040][ T1159] RDX: 0000000000000000 RSI: 00007ffd818b2ff0 RDI: 0000000000000005
[   64.697231][ T1159] RBP: 00007ffd818b2f50 R08: 0000000000000000 R09: 0000000000000000
[   64.697421][ T1159] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2c
[   64.697612][ T1159] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd818b36c0
| [   66.343015][   T12] ------------[ cut here ]------------
| [   66.343184][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.343422][   T12] Modules linked in:
| [   66.343787][   T12] Tainted: [W]=WARN
[   66.343890][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.344035][   T12] Workqueue: netns cleanup_net
[   66.344158][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.344313][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.344731][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.344893][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52fa80 RCX: 1ff4000000018eed
[   66.345070][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52fb3c
[   66.345244][   T12] RBP: ff1100001089c000 R08: 1fe2200001aa5f69 R09: ff11000001aed1d0
[   66.345422][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.345603][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.345780][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.346003][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.346149][   T12] CR2: 00007f336ce7c8f4 CR3: 000000000f376002 CR4: 0000000000771ef0
[   66.346324][   T12] PKRU: 55555554
[   66.346411][   T12] Call Trace:
[   66.346498][   T12]  <TASK>
[   66.346564][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.346718][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.346875][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.346996][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.347120][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.347236][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.347354][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.347474][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.347595][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.347712][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.347834][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.347961][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.348079][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.348198][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.348316][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.348435][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.348555][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.348676][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.348798][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.348929][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.349051][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.349175][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.349293][   T12]  kthread (kernel/kthread.c:436)
[   66.349384][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.349535][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.349652][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.349772][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.349932][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.350051][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.350170][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.352415][   T12] ------------[ cut here ]------------
| [   66.352537][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.352763][   T12] Modules linked in:
| [   66.353213][   T12] Tainted: [W]=WARN
[   66.353305][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.353452][   T12] Workqueue: netns cleanup_net
[   66.353575][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.353729][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.354173][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.354322][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e441e00 RCX: 1ff4000000018eed
[   66.354494][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e441ebc
[   66.354677][   T12] RBP: ff1100000ecdc000 R08: 1fe2200001c883d9 R09: ff11000001aed1d0
[   66.354859][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.355041][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.355217][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.355433][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.355582][   T12] CR2: 00007f336ce7c8f4 CR3: 000000000f376002 CR4: 0000000000771ef0
[   66.355760][   T12] PKRU: 55555554
[   66.355854][   T12] Call Trace:
[   66.355949][   T12]  <TASK>
[   66.356050][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.356211][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.356357][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.356477][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.356600][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.356718][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.356839][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.356966][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.357089][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.357213][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.357330][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.357449][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.357572][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.357692][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.357809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.357938][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.358057][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.358177][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.358299][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.358417][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.358542][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.358664][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.358782][   T12]  kthread (kernel/kthread.c:436)
[   66.358882][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.359032][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.359151][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.359269][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.359417][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.359540][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.359664][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.362040][   T12] ------------[ cut here ]------------
| [   66.362164][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.362470][   T12] Modules linked in:
| [   66.362835][   T12] Tainted: [W]=WARN
[   66.363395][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.363546][   T12] Workqueue: netns cleanup_net
[   66.363668][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.363821][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.364299][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.364448][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e4418c0 RCX: 1ff4000000018eed
[   66.364628][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44197c
[   66.364808][   T12] RBP: ff110000100c4000 R08: 1fe2200001c88331 R09: ff11000001aed1d0
[   66.365038][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.365215][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.365392][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.365650][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.365802][   T12] CR2: 00007f336ce7c8f4 CR3: 000000000f376002 CR4: 0000000000771ef0
[   66.366035][   T12] PKRU: 55555554
[   66.366123][   T12] Call Trace:
[   66.366211][   T12]  <TASK>
[   66.366272][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.366423][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.366576][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.366701][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.366820][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.366989][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.367106][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.367225][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.367344][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.367460][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.367579][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.367698][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.367818][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.367988][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.368103][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.368221][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.368339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.368458][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.368581][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.368699][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.368825][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.369001][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.369118][   T12]  kthread (kernel/kthread.c:436)
[   66.369206][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.369352][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.369471][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.369593][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.369744][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.369915][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.370034][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.372557][   T12] ------------[ cut here ]------------
| [   66.372717][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   66.373023][   T12] Modules linked in:
| [   66.373475][   T12] Tainted: [W]=WARN
[   66.373615][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.373820][   T12] Workqueue: netns cleanup_net
[   66.374009][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.374211][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.374681][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.374896][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e441540 RCX: 1ff4000000018eed
[   66.375120][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4415fc
[   66.375345][   T12] RBP: ff110000103c9000 R08: 1fe2200001c882c1 R09: ff11000001aed1d0
[   66.375575][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   66.375798][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.376035][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   66.376290][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.376484][   T12] CR2: 00007f5b47041574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.376740][   T12] PKRU: 55555554
[   66.376895][   T12] Call Trace:
[   66.377031][   T12]  <TASK>
[   66.377138][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.377338][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.377536][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.377706][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.377892][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.378056][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.378222][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.378390][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.378565][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.378736][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.378917][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.379086][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.379255][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.379423][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.379595][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.379763][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.379947][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.380116][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.380287][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.380484][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.380659][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.380837][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.381014][   T12]  kthread (kernel/kthread.c:436)
[   66.381154][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.381348][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.381517][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.381687][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.381979][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.382143][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.382309][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.385368][   T12] ------------[ cut here ]------------
| [   66.385605][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   66.385983][   T12] Modules linked in:
| [   66.386432][   T12] Tainted: [W]=WARN
[   66.386575][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.386767][   T12] Workqueue: netns cleanup_net
[   66.386962][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.387166][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.387641][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.387842][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637a80 RCX: 1ff4000000018eed
[   66.388083][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637b3c
[   66.388311][   T12] RBP: ff1100000a844000 R08: 1fe2200001ac6f69 R09: ff11000001aed1d0
[   66.388535][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   66.388758][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.389005][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   66.389257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.389451][   T12] CR2: 00007f5b47041574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.389681][   T12] PKRU: 55555554
[   66.389815][   T12] Call Trace:
[   66.389974][   T12]  <TASK>
[   66.390085][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.390285][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.390478][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.390648][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.390817][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.391033][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.391207][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.391379][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.391553][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.391719][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.391905][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.392074][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.392242][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.392408][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.392579][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.392750][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.392938][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.393109][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.393280][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.393445][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.393634][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.393806][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.394030][   T12]  kthread (kernel/kthread.c:436)
[   66.394167][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.394435][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.394610][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.394777][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.395064][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.395230][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.395400][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.419451][   T12] ------------[ cut here ]------------
| [   66.419593][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.419848][   T12] Modules linked in:
| [   66.420230][   T12] Tainted: [W]=WARN
[   66.420325][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.420486][   T12] Workqueue: netns cleanup_net
[   66.420615][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.420774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.421220][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.421377][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637540 RCX: 1ff4000000018eaf
[   66.421565][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6375fc
[   66.421747][   T12] RBP: ff11000008bac000 R08: 1fe2200001ac6ec1 R09: ff11000001aed1d0
[   66.422016][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   66.422199][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010619000
[   66.422384][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   66.422601][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.422755][   T12] CR2: 000055c317df52b8 CR3: 000000001043a002 CR4: 0000000000771ef0
[   66.422997][   T12] PKRU: 55555554
[   66.423089][   T12] Call Trace:
[   66.423182][   T12]  <TASK>
[   66.423247][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.423422][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.423519][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.423641][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.423763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.423942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.424064][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.424190][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.424344][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.424498][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.424625][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.424777][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.424954][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.425077][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.425230][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.425357][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.425485][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.425611][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.425734][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.425864][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.426037][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.426161][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.426287][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.426410][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.426538][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.426662][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.426783][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.426956][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.427081][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.427207][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.427334][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.427458][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.427587][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.427714][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.427843][   T12]  kthread (kernel/kthread.c:436)
[   66.427940][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.428094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.428216][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.428339][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.428492][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.428619][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.428743][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.431219][   T12] ------------[ cut here ]------------
| [   66.431341][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.431586][   T12] Modules linked in:
| [   66.432218][   T12] Tainted: [W]=WARN
[   66.432317][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.432471][   T12] Workqueue: netns cleanup_net
[   66.432601][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.432759][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.433209][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.433363][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31bc40 RCX: 1ff4000000018eaf
[   66.433548][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bcfc
[   66.433732][   T12] RBP: ff11000010619000 R08: 1fe2200001a637a1 R09: ff11000001aed1d0
[   66.433927][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   66.434111][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f5c000
[   66.434294][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   66.434512][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.434667][   T12] CR2: 000055c317df52b8 CR3: 000000001043a002 CR4: 0000000000771ef0
[   66.434858][   T12] PKRU: 55555554
[   66.434956][   T12] Call Trace:
[   66.435047][   T12]  <TASK>
[   66.435112][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.435235][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.435368][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.435463][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.435590][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.435713][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.435843][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.435972][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.436096][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.436249][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.436405][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.436531][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.436682][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.436806][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.436939][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.437092][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.437219][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.437345][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.437469][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.437595][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.437720][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.437848][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.437975][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.438097][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.438221][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.438346][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.438469][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.438594][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.438718][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.438845][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.438972][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.439101][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.439224][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.439352][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.439478][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.439604][   T12]  kthread (kernel/kthread.c:436)
[   66.439697][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.439855][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.439982][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.440105][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.440260][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.440381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.440506][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.444644][   T12] ------------[ cut here ]------------
| [   66.444771][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   66.445025][   T12] Modules linked in:
| [   66.445395][   T12] Tainted: [W]=WARN
[   66.445489][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.445653][   T12] Workqueue: netns cleanup_net
[   66.445780][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.445957][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.446394][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.446551][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceec580 RCX: 1ff4000000018eaf
[   66.446734][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec63c
[   66.446932][   T12] RBP: ff11000007f5c000 R08: 1fe22000019dd8c9 R09: ff11000001aed1d0
[   66.447115][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   66.447302][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   66.447487][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   66.447704][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.447865][   T12] CR2: 000055c317df52b8 CR3: 000000001043a002 CR4: 0000000000771ef0
[   66.448188][   T12] PKRU: 55555554
[   66.448281][   T12] Call Trace:
[   66.448376][   T12]  <TASK>
[   66.448443][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.448573][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.448700][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.448794][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.448974][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.449146][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.449269][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.449391][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.449518][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.449673][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.449833][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.450008][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.450159][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.450282][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.450404][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.450565][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.450693][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.450818][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.450998][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.451121][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.451245][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.451369][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.451491][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.451617][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.451741][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.451919][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.452043][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.452165][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.452289][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.452411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.452539][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.452666][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.452789][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.452973][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.453100][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.453222][   T12]  kthread (kernel/kthread.c:436)
[   66.453316][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.453481][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.453606][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.453729][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.453941][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.454064][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.454189][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.456761][   T12] ------------[ cut here ]------------
| [   66.456911][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.457146][   T12] Modules linked in:
| [   66.457514][   T12] Tainted: [W]=WARN
[   66.457603][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.457751][   T12] Workqueue: netns cleanup_net
[   66.457887][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.458042][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.458476][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.458628][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceed700 RCX: 1ff4000000018ed5
[   66.458805][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed7bc
[   66.458993][   T12] RBP: ff11000008bac000 R08: 1fe22000019ddaf9 R09: ff11000001aed1d0
[   66.459169][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.459343][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.459522][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.459728][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.459887][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.460066][   T12] PKRU: 55555554
[   66.460154][   T12] Call Trace:
[   66.460242][   T12]  <TASK>
[   66.460304][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.460457][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.460605][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.460722][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.460851][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.461007][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.461128][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.461251][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.461369][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.461488][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.461607][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.461726][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.461853][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.461977][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.462095][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.462213][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.462330][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.462450][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.462570][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.462691][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.462816][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.462946][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.463069][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.463192][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.463311][   T12]  kthread (kernel/kthread.c:436)
[   66.463400][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.463547][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.463667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.463785][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.463941][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.464060][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.464178][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.466596][   T12] ------------[ cut here ]------------
| [   66.466713][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.467288][   T12] Modules linked in:
| [   66.467654][   T12] Tainted: [W]=WARN
[   66.467746][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.467903][   T12] Workqueue: netns cleanup_net
[   66.468027][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.468182][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.468609][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.468758][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a018c0 RCX: 1ff4000000018ed5
[   66.468945][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0197c
[   66.469122][   T12] RBP: ff11000010619000 R08: 1fe2200001340331 R09: ff11000001aed1d0
[   66.469298][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.469476][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.469658][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.469874][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.470021][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.470199][   T12] PKRU: 55555554
[   66.470288][   T12] Call Trace:
[   66.470377][   T12]  <TASK>
[   66.470439][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.470593][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.470745][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.470874][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.470992][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.471146][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.471267][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.471385][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.471504][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.471627][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.471748][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.471876][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.471995][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.472117][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.472238][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.472356][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.472474][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.472597][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.472716][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.472843][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.472971][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.473088][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.473210][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.473333][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.473450][   T12]  kthread (kernel/kthread.c:436)
[   66.473543][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.473690][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.473810][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.473938][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.474085][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.474204][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.474323][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.476989][   T12] ------------[ cut here ]------------
| [   66.477112][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.477349][   T12] Modules linked in:
| [   66.477713][   T12] Tainted: [W]=WARN
[   66.477806][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.477966][   T12] Workqueue: netns cleanup_net
[   66.478089][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.478243][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.478665][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.478815][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01700 RCX: 1ff4000000018ed5
[   66.479005][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a017bc
[   66.479185][   T12] RBP: ff11000007f5c000 R08: 1fe22000013402f9 R09: ff11000001aed1d0
[   66.479364][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.479544][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.479721][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.479937][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.480084][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.480261][   T12] PKRU: 55555554
[   66.480351][   T12] Call Trace:
[   66.480439][   T12]  <TASK>
[   66.480501][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.480659][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.480805][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.480932][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.481049][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.481201][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.481324][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.481447][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.481568][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.481687][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.481806][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.481933][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.482050][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.482169][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.482289][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.482408][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.482528][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.482648][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.482771][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.482900][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.483023][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.483142][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.483265][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.483386][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.483506][   T12]  kthread (kernel/kthread.c:436)
[   66.483597][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.483742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.483871][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.483991][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.484139][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.484256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.484375][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.524214][   T12] ------------[ cut here ]------------
| [   66.524349][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.524590][   T12] Modules linked in:
| [   66.525230][   T12] Tainted: [W]=WARN
[   66.525321][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.525467][   T12] Workqueue: netns cleanup_net
[   66.525591][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.525746][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.526173][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.526323][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b71c0 RCX: 1ff4000000018eed
[   66.526497][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b727c
[   66.526679][   T12] RBP: ff11000001dd4000 R08: 1fe2200001e36e51 R09: ff11000001aed1d0
[   66.526858][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.527040][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.527214][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.527420][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.527574][   T12] CR2: 00007f5853ea1690 CR3: 000000000fead001 CR4: 0000000000771ef0
[   66.527749][   T12] PKRU: 55555554
[   66.527841][   T12] Call Trace:
[   66.527935][   T12]  <TASK>
[   66.527998][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.528147][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.528293][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.528410][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.528532][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.528649][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.528771][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.528902][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.529026][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.529143][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.529260][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.529377][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.529496][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.529618][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.529734][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.529859][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.529981][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.530098][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.530219][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.530387][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.530534][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.530657][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.530773][   T12]  kthread (kernel/kthread.c:436)
[   66.530881][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.531034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.531151][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.531268][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.531413][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.531533][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.531651][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.534069][   T12] ------------[ cut here ]------------
| [   66.534188][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.534412][   T12] Modules linked in:
| [   66.534766][   T12] Tainted: [W]=WARN
[   66.534861][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.535066][   T12] Workqueue: netns cleanup_net
[   66.535187][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.535336][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.535747][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.535950][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27540 RCX: 1ff4000000018eed
[   66.536166][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc275fc
[   66.536338][   T12] RBP: ff11000012409000 R08: 1fe2200001b84ec1 R09: ff11000001aed1d0
[   66.536513][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.536687][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.536946][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.537267][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.537427][   T12] CR2: 00007f5853ea1690 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.537610][   T12] PKRU: 55555554
[   66.537698][   T12] Call Trace:
[   66.537785][   T12]  <TASK>
[   66.537853][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.538085][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.538296][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.538418][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.538540][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.538656][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.538773][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.538958][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.539076][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.539192][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.539307][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.539423][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.539544][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.539666][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.539780][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.539956][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.540071][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.540189][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.540308][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.540424][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.540548][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.540667][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.540782][   T12]  kthread (kernel/kthread.c:436)
[   66.540937][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.541081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.541198][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.541316][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.541460][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.541577][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.541694][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.545605][   T12] ------------[ cut here ]------------
| [   66.545732][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.545981][   T12] Modules linked in:
| [   66.546342][   T12] Tainted: [W]=WARN
[   66.546435][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.546592][   T12] Workqueue: netns cleanup_net
[   66.546714][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.546882][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.547303][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.547454][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b963a80 RCX: 1ff4000000018eed
[   66.547633][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b963b3c
[   66.547806][   T12] RBP: ff11000009681000 R08: 1fe220000172c769 R09: ff11000001aed1d0
[   66.547993][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.548167][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.548342][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.548548][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.548701][   T12] CR2: 00007f5853d62574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.548899][   T12] PKRU: 55555554
[   66.548989][   T12] Call Trace:
[   66.549080][   T12]  <TASK>
[   66.549141][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.549293][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.549438][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.549558][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.549677][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.549793][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.549925][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.550045][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.550164][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.550281][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.550397][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.550518][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.550637][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.550755][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.550882][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.551001][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.551117][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.551234][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.551354][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.551470][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.551595][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.551717][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.551839][   T12]  kthread (kernel/kthread.c:436)
[   66.551937][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.552082][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.552204][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.552327][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.552475][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.552595][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.552714][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.554709][   T12] ------------[ cut here ]------------
| [   66.554825][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.555071][   T12] Modules linked in:
| [   66.555423][   T12] Tainted: [W]=WARN
[   66.555515][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.555664][   T12] Workqueue: netns cleanup_net
[   66.555785][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.556043][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.556557][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.556705][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b963000 RCX: 1ff4000000018eed
[   66.556992][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9630bc
[   66.557171][   T12] RBP: ff110000103bc000 R08: 1fe220000172c619 R09: ff11000001aed1d0
[   66.557345][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.557520][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.557696][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.557997][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.558145][   T12] CR2: 00007f5853d62574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.558322][   T12] PKRU: 55555554
[   66.558409][   T12] Call Trace:
[   66.558497][   T12]  <TASK>
[   66.558562][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.558711][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.558862][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.559074][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.559192][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.559309][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.559426][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.559547][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.559667][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.559785][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.560004][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.560123][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.560243][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.560363][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.560478][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.560606][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.560724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.560846][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.561057][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.561173][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.561296][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.561417][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.561536][   T12]  kthread (kernel/kthread.c:436)
[   66.561625][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.561771][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.561995][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.562114][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.562261][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.562377][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.562494][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.565651][   T12] ------------[ cut here ]------------
| [   66.565780][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.566080][   T12] Modules linked in:
| [   66.566449][   T12] Tainted: [W]=WARN
[   66.566549][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.566694][   T12] Workqueue: netns cleanup_net
[   66.566814][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.567020][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.567443][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.567595][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962e40 RCX: 1ff4000000018eed
[   66.567768][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962efc
[   66.567955][   T12] RBP: ff1100000fd64000 R08: 1fe220000172c5e1 R09: ff11000001aed1d0
[   66.568139][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.568312][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.568488][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.568692][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.568841][   T12] CR2: 00007f5853ea1690 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.569022][   T12] PKRU: 55555554
[   66.569109][   T12] Call Trace:
[   66.569195][   T12]  <TASK>
[   66.569256][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.569405][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.569550][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.569667][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.569784][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.569915][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.570030][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.570148][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.570270][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.570391][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.570508][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.570626][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.570750][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.570878][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.570993][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.571109][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.571223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.571341][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.571460][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.571577][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.571700][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.571820][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.571947][   T12]  kthread (kernel/kthread.c:436)
[   66.572034][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.572182][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.572298][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.572414][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.572563][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.572678][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.572794][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.593389][   T12] ------------[ cut here ]------------
| [   66.593533][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.593784][   T12] Modules linked in:
| [   66.594190][   T12] Tainted: [W]=WARN
[   66.594283][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.594485][   T12] Workqueue: netns cleanup_net
[   66.594639][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.594799][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.595261][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.595422][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4b8c0 RCX: 1ff4000000018eaf
[   66.595606][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b97c
[   66.595789][   T12] RBP: ff110000086a9000 R08: 1fe2200001f89731 R09: ff11000001aed1d0
[   66.595982][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   66.596164][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4d4000
[   66.596347][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.596566][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.596719][   T12] CR2: 00007f5853ea1690 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.596911][   T12] PKRU: 55555554
[   66.597003][   T12] Call Trace:
[   66.597095][   T12]  <TASK>
[   66.597159][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.597283][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.597376][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.597498][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.597624][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.597746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.597928][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.598053][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.598207][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.598361][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.598483][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.598636][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.598759][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.598936][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.599094][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.599220][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.599343][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.599467][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.599594][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.599717][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.599844][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.599972][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.600095][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.600218][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.600341][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.600464][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.600589][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.600712][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.600842][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.600980][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.601107][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.601229][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.601365][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.601492][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.601618][   T12]  kthread (kernel/kthread.c:436)
[   66.601711][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.601873][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.601996][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.602122][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.602275][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.602398][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.602520][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.606134][   T12] ------------[ cut here ]------------
| [   66.606267][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.606515][   T12] Modules linked in:
| [   66.606914][   T12] Tainted: [W]=WARN
[   66.607011][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.607166][   T12] Workqueue: netns cleanup_net
[   66.607296][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.607455][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.607914][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.608073][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b5700 RCX: 1ff4000000018eaf
[   66.608258][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b57bc
[   66.608442][   T12] RBP: ff1100000b4d4000 R08: 1fe2200001e36af9 R09: ff11000001aed1d0
[   66.608630][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   66.608813][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bfc000
[   66.609011][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.609230][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.609387][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.609583][   T12] PKRU: 55555554
[   66.609677][   T12] Call Trace:
[   66.609772][   T12]  <TASK>
[   66.609840][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.609971][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.610097][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.610194][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.610319][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.610457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.610582][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.610707][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.610837][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.611001][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.611159][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.611284][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.611437][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.611563][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.611686][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.611843][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.611976][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.612101][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.612226][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.612350][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.612476][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.612604][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.612728][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.612857][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.612985][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.613109][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.613234][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.613358][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.613487][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.613614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.613740][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.613878][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.614002][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.614131][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.614262][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.614385][   T12]  kthread (kernel/kthread.c:436)
[   66.614478][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.614635][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.614759][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.614894][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.615050][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.615176][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.615300][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.617984][   T12] ------------[ cut here ]------------
| [   66.618129][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.618384][   T12] Modules linked in:
| [   66.618773][   T12] Tainted: [W]=WARN
[   66.618879][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.619034][   T12] Workqueue: netns cleanup_net
[   66.619163][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.619324][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.619769][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.619937][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16ba80 RCX: 1ff4000000018eaf
[   66.620123][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bb3c
[   66.620326][   T12] RBP: ff11000010bfc000 R08: 1fe220000142d769 R09: ff11000001aed1d0
[   66.620514][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   66.620701][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   66.620896][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.621112][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.621267][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.621483][   T12] PKRU: 55555554
[   66.621578][   T12] Call Trace:
[   66.621670][   T12]  <TASK>
[   66.621734][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.621862][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.621995][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.622091][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.622217][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.622339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.622464][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.622591][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.622716][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.622882][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.623037][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.623162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.623318][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.623441][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.623568][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.623724][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   66.623858][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.623994][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.624120][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.624246][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.624372][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.624499][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.624626][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.624751][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.624885][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.625010][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.625136][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.625260][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.625386][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.625512][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.625636][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.625764][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.625900][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.626029][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.626160][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.626285][   T12]  kthread (kernel/kthread.c:436)
[   66.626383][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.626540][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.626665][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.626788][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.626955][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.627079][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.627204][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.629416][   T12] ------------[ cut here ]------------
| [   66.629543][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.629777][   T12] Modules linked in:
| [   66.630587][   T12] Tainted: [W]=WARN
[   66.630677][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.630833][   T12] Workqueue: netns cleanup_net
[   66.631016][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.631170][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.631595][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.631744][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e441000 RCX: 1ff4000000018ed5
[   66.631975][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4410bc
[   66.632151][   T12] RBP: ff110000086a9000 R08: 1fe2200001c88219 R09: ff11000001aed1d0
[   66.632331][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.632510][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.632690][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.632955][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.633151][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.633332][   T12] PKRU: 55555554
[   66.633420][   T12] Call Trace:
[   66.633510][   T12]  <TASK>
[   66.633573][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.633724][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.633922][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.634042][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.634160][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.634312][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.634438][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.634563][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.634681][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.634800][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.634974][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.635091][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.635209][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.635328][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.635447][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.635569][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.635687][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.635806][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.635981][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.636101][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.636222][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.636341][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.636464][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.636589][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.636707][   T12]  kthread (kernel/kthread.c:436)
[   66.636796][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.636997][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.637115][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.637236][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.637383][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.637500][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.637626][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.647761][   T12] ------------[ cut here ]------------
| [   66.647899][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.648133][   T12] Modules linked in:
| [   66.648491][   T12] Tainted: [W]=WARN
[   66.648584][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.648732][   T12] Workqueue: netns cleanup_net
[   66.648861][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.649021][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.649443][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.649595][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52e900 RCX: 1ff4000000018ed5
[   66.649771][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e9bc
[   66.650060][   T12] RBP: ff1100000b4d4000 R08: 1fe2200001aa5d39 R09: ff11000001aed1d0
[   66.650236][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.650411][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.650591][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.650801][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.651035][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.651213][   T12] PKRU: 55555554
[   66.651300][   T12] Call Trace:
[   66.651388][   T12]  <TASK>
[   66.651450][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.651604][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.651755][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.651962][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.652079][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.652274][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.652394][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.652516][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.652633][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.652753][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.652924][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.653043][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.653161][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.653278][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.653403][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.653523][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.653645][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.653765][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.653935][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.654053][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.654174][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.654292][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.654414][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.654541][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.654662][   T12]  kthread (kernel/kthread.c:436)
[   66.654751][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.654949][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.655069][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.655188][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.655334][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.655453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.655577][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.658379][   T12] ------------[ cut here ]------------
| [   66.658500][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.658735][   T12] Modules linked in:
| [   66.659106][   T12] Tainted: [W]=WARN
[   66.659195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.659343][   T12] Workqueue: netns cleanup_net
[   66.659466][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.659622][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.660054][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.660205][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f3e00 RCX: 1ff4000000018ed5
[   66.660380][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f3ebc
[   66.660563][   T12] RBP: ff11000010bfc000 R08: 1fe22000020be7d9 R09: ff11000001aed1d0
[   66.660739][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.660926][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.661103][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.661309][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.661457][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.661638][   T12] PKRU: 55555554
[   66.661731][   T12] Call Trace:
[   66.661820][   T12]  <TASK>
[   66.661976][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.662127][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.662322][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.662440][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.662562][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   66.662712][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.662838][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.663007][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.663125][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.663245][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.663364][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.663482][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.663602][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.663723][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.663846][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.664013][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.664131][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.664254][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.664371][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.664491][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.664616][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.664737][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.664917][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.665040][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.665157][   T12]  kthread (kernel/kthread.c:436)
[   66.665247][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.665393][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.665515][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.665639][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.665786][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.665958][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.666078][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.701909][   T12] ------------[ cut here ]------------
| [   66.702038][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.702269][   T12] Modules linked in:
| [   66.702629][   T12] Tainted: [W]=WARN
[   66.702719][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.702877][   T12] Workqueue: netns cleanup_net
[   66.703008][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.703163][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.703578][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.703726][   T12] RAX: 00000000ffffffa6 RBX: ff11000008dc6580 RCX: 1ff4000000018eed
[   66.703958][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc663c
[   66.704132][   T12] RBP: ff1100000d0c4000 R08: 1fe22000011b8cc9 R09: ff11000001aed1d0
[   66.704305][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.704477][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.704656][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.704864][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.705056][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.705231][   T12] PKRU: 55555554
[   66.705318][   T12] Call Trace:
[   66.705404][   T12]  <TASK>
[   66.705466][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.705619][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.705768][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.705940][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.706060][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.706176][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.706295][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.706412][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.706535][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.706650][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.706769][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.706933][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.707050][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.707167][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.707284][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.707403][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.707527][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.707644][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.707767][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.707903][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.708021][   T12]  kthread (kernel/kthread.c:436)
[   66.708111][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.708256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.708379][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.708498][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.708647][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.708765][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.708895][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.711090][   T12] ------------[ cut here ]------------
| [   66.711207][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.711432][   T12] Modules linked in:
| [   66.711787][   T12] Tainted: [W]=WARN
[   66.712240][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.712397][   T12] Workqueue: netns cleanup_net
[   66.712519][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.712670][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.713104][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.713252][   T12] RAX: 00000000ffffffa6 RBX: ff11000008dc7540 RCX: 1ff4000000018eed
[   66.713429][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc75fc
[   66.713604][   T12] RBP: ff11000012701000 R08: 1fe22000011b8ec1 R09: ff11000001aed1d0
[   66.713777][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.713961][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.714137][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.714341][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.714488][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.714664][   T12] PKRU: 55555554
[   66.714750][   T12] Call Trace:
[   66.714841][   T12]  <TASK>
[   66.714909][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.715057][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.715205][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.715327][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.715446][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.715567][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.715687][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.715805][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.715935][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.716051][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.716168][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.716285][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.716401][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.716521][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.716637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.716753][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.716886][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.717003][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.717129][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.717250][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.717366][   T12]  kthread (kernel/kthread.c:436)
[   66.717454][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.717602][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.717723][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.717844][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.717999][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.718123][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.718243][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.720393][   T12] ------------[ cut here ]------------
| [   66.720514][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.720741][   T12] Modules linked in:
| [   66.721531][   T12] Tainted: [W]=WARN
[   66.721622][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.721768][   T12] Workqueue: netns cleanup_net
[   66.721943][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.722097][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.722519][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.722667][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7d43c0 RCX: 1ff4000000018eed
[   66.722843][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d447c
[   66.723062][   T12] RBP: ff1100000fca4000 R08: 1fe22000016fa891 R09: ff11000001aed1d0
[   66.723281][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.723459][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.723634][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.723843][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.724035][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.724212][   T12] PKRU: 55555554
[   66.724300][   T12] Call Trace:
[   66.724386][   T12]  <TASK>
[   66.724447][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.724604][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.724753][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.724920][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.725039][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.725156][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.725275][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.725393][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.725515][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.725631][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.725750][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.725922][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.726040][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.726157][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.726276][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.726398][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.726521][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.726640][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.726762][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.726934][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.727053][   T12]  kthread (kernel/kthread.c:436)
[   66.727141][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.727285][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.727403][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.727520][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.727668][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.727786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.727955][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.730177][   T12] ------------[ cut here ]------------
| [   66.730312][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.730546][   T12] Modules linked in:
| [   66.730913][   T12] Tainted: [W]=WARN
[   66.731000][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.731154][   T12] Workqueue: netns cleanup_net
[   66.731275][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.731426][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.731850][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.732004][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f3000 RCX: 1ff4000000018eed
[   66.732177][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f30bc
[   66.732349][   T12] RBP: ff1100000a881000 R08: 1fe22000020be619 R09: ff11000001aed1d0
[   66.732530][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.732704][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.732899][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.733103][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.733248][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.733426][   T12] PKRU: 55555554
[   66.733517][   T12] Call Trace:
[   66.733604][   T12]  <TASK>
[   66.733665][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.733813][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.733973][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.734089][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.734205][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.734319][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.734441][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.734562][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.734681][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.734801][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.734932][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.735049][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.735164][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.735286][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.735405][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.735522][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.735642][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.735757][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.735887][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.736008][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.736124][   T12]  kthread (kernel/kthread.c:436)
[   66.736212][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.736360][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.736481][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.736600][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.736744][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.736872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.736990][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.739311][   T12] ------------[ cut here ]------------
| [   66.739438][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.739748][   T12] Modules linked in:
| [   66.740183][   T12] Tainted: [W]=WARN
[   66.740275][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.740418][   T12] Workqueue: netns cleanup_net
[   66.740550][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.740704][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.741172][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   66.741317][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90e40 RCX: 1ff4000000018eed
[   66.741540][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe90efc
[   66.741711][   T12] RBP: ff110000020bc000 R08: 1fe2200001fd21e1 R09: ff11000001aed1d0
[   66.741893][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.742066][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.742240][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.742445][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.742592][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.742765][   T12] PKRU: 55555554
[   66.742858][   T12] Call Trace:
[   66.742949][   T12]  <TASK>
[   66.743010][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.743163][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.743307][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   66.743423][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   66.743543][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.743658][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   66.743774][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.743904][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   66.744026][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.744141][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.744260][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.744379][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.744493][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.744614][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.744728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.744851][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.744979][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.745094][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.745215][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.745335][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.745450][   T12]  kthread (kernel/kthread.c:436)
[   66.745540][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.745683][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.745799][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.745929][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.746074][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.746190][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.746306][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.759897][   T12] ------------[ cut here ]------------
| [   66.760029][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.760273][   T12] Modules linked in:
| [   66.760695][   T12] Tainted: [W]=WARN
[   66.760804][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.760982][   T12] Workqueue: netns cleanup_net
[   66.761111][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.761270][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.761708][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.761875][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90580 RCX: 1ff4000000018eaf
[   66.762055][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9063c
[   66.762235][   T12] RBP: ff11000005821000 R08: 1fe2200001fd20c9 R09: ff11000001aed1d0
[   66.762415][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   66.762600][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010111000
[   66.762781][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.763003][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.763155][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.763337][   T12] PKRU: 55555554
[   66.763427][   T12] Call Trace:
[   66.763519][   T12]  <TASK>
[   66.763583][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.763706][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.763800][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.763935][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.764057][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.764205][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.764325][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   66.764453][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.764622][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.764773][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   66.764912][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.765035][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.765156][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.765278][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.765399][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.765521][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.765646][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.765767][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.765902][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.766023][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.766143][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.766269][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.766389][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.766515][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.766639][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.766760][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.766897][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.767025][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.767145][   T12]  kthread (kernel/kthread.c:436)
[   66.767236][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.767389][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.767513][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.767635][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.767785][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.767917][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.768039][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.769979][   T12] ------------[ cut here ]------------
| [   66.770159][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.770414][   T12] Modules linked in:
| [   66.770792][   T12] Tainted: [W]=WARN
[   66.770905][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.771054][   T12] Workqueue: netns cleanup_net
[   66.771180][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.771337][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.771779][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.771946][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe91000 RCX: 1ff4000000018eaf
[   66.772128][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe910bc
[   66.772317][   T12] RBP: ff11000010111000 R08: 1fe2200001fd2219 R09: ff11000001aed1d0
[   66.772513][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   66.772694][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef0c000
[   66.772950][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.773210][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.773364][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.773551][   T12] PKRU: 55555554
[   66.773641][   T12] Call Trace:
[   66.773730][   T12]  <TASK>
[   66.773794][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.773974][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.774096][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.774188][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.774310][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.774433][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.774590][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.774712][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   66.774841][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.775045][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.775197][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   66.775320][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.775445][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.775572][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.775695][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.775817][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.775996][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.776123][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.776244][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.776370][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.776493][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.776618][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.776742][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.776920][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.777044][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.777171][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.777295][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.777422][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.777551][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.777673][   T12]  kthread (kernel/kthread.c:436)
[   66.777765][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.777973][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.778095][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.778217][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.778373][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.778494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.778623][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.782079][   T12] ------------[ cut here ]------------
| [   66.782218][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.782508][   T12] Modules linked in:
| [   66.782919][   T12] Tainted: [W]=WARN
[   66.783011][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.783161][   T12] Workqueue: netns cleanup_net
[   66.783288][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.783445][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.783894][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   66.784052][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90740 RCX: 1ff4000000018eaf
[   66.784234][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe907fc
[   66.784415][   T12] RBP: ff1100000ef0c000 R08: 1fe2200001fd2101 R09: ff11000001aed1d0
[   66.784603][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   66.784782][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   66.784974][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.785185][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.785337][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.785522][   T12] PKRU: 55555554
[   66.785613][   T12] Call Trace:
[   66.785702][   T12]  <TASK>
[   66.785766][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   66.785901][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   66.786065][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   66.786159][   T12]  netif_close_many (net/core/dev.c:1804)
[   66.786284][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   66.786406][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   66.786562][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   66.786683][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   66.786805][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   66.786972][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.787124][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   66.787248][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.787380][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.787506][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.787632][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.787753][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.787888][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.788012][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.788133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.788257][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.788379][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.788499][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.788625][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.788746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.788954][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.789086][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.789213][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.789338][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.789463][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.789588][   T12]  kthread (kernel/kthread.c:436)
[   66.789680][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.789838][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.790010][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.790135][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.790286][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.790407][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.790531][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.793904][   T12] ------------[ cut here ]------------
| [   66.794038][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.794348][   T12] Modules linked in:
| [   66.794730][   T12] Tainted: [W]=WARN
[   66.794819][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.794984][   T12] Workqueue: netns cleanup_net
[   66.795107][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.795260][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.795680][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.795837][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04ac80 RCX: 1ff4000000018ed5
[   66.796020][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04ad3c
[   66.796192][   T12] RBP: ff11000005821000 R08: 1fe22000018095a9 R09: ff11000001aed1d0
[   66.796371][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.796545][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.796719][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.796985][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.797134][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.797308][   T12] PKRU: 55555554
[   66.797396][   T12] Call Trace:
[   66.797482][   T12]  <TASK>
[   66.797547][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.797696][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.797847][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   66.798016][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.798182][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.798304][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.798425][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.798549][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.798673][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.798794][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.798966][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.799089][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.799207][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.799322][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.799440][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.799560][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.799677][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.799801][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.799990][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.800112][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.800233][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.800349][   T12]  kthread (kernel/kthread.c:436)
[   66.800441][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.800589][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.800706][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.800822][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.800979][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.801095][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.801210][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.803903][   T12] ------------[ cut here ]------------
| [   66.804035][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   66.804271][   T12] Modules linked in:
| [   66.804726][   T12] Tainted: [W]=WARN
[   66.804814][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.805030][   T12] Workqueue: netns cleanup_net
[   66.805154][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.805305][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.805808][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.806025][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0c80 RCX: 1ff4000000018ed5
[   66.806204][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0d3c
[   66.806376][   T12] RBP: ff11000010111000 R08: 1fe22000019541a9 R09: ff11000001aed1d0
[   66.806554][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   66.806727][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.806952][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   66.807178][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.807326][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   66.807501][   T12] PKRU: 55555554
[   66.807591][   T12] Call Trace:
[   66.807678][   T12]  <TASK>
[   66.807739][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.807947][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.808097][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   66.808215][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.808339][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.808457][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.808576][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.808693][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.808812][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.808982][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.809105][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.809224][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.809340][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.809455][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.809575][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.809691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.809810][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.809979][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.810097][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.810217][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.810341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.810456][   T12]  kthread (kernel/kthread.c:436)
[   66.810545][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.810690][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.810808][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.810977][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.811123][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.811240][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.811356][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.819619][   T12] ------------[ cut here ]------------
| [   66.819743][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   66.819993][   T12] Modules linked in:
| [   66.820353][   T12] Tainted: [W]=WARN
[   66.820445][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.820597][   T12] Workqueue: netns cleanup_net
[   66.820721][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   66.820890][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   66.821319][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   66.821469][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0200 RCX: 1ff4000000018ed5
[   66.821651][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa02bc
[   66.821828][   T12] RBP: ff1100000ef0c000 R08: 1fe2200001954059 R09: ff11000001aed1d0
[   66.822020][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   66.822198][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   66.822382][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   66.822599][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.822750][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   66.822940][   T12] PKRU: 55555554
[   66.823029][   T12] Call Trace:
[   66.823119][   T12]  <TASK>
[   66.823183][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   66.823337][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   66.823486][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   66.823609][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.823730][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   66.823857][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   66.823983][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   66.824107][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   66.824226][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   66.824346][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   66.824464][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   66.824590][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   66.824717][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.824841][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   66.824970][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   66.825089][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   66.825210][   T12]  process_one_work (kernel/workqueue.c:3314)
[   66.825339][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   66.825458][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   66.825586][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   66.825711][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   66.825838][   T12]  kthread (kernel/kthread.c:436)
[   66.825935][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.826085][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.826207][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.826330][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   66.826479][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.826612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   66.826730][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   67.038884][ T1206] ------------[ cut here ]------------
| [   67.039045][ T1206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1206
| [   67.039308][ T1206] Modules linked in:
| [   67.039682][ T1206] Tainted: [W]=WARN
[   67.039781][ T1206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.039957][ T1206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.040129][ T1206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.040602][ T1206] RSP: 0018:ffa00000037d7a80 EFLAGS: 00010286
[   67.040766][ T1206] RAX: 00000000ffffffa6 RBX: ff1100000fc4a900 RCX: 1ff40000006faf16
[   67.040973][ T1206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a9bc
[   67.041169][ T1206] RBP: ff1100001271c000 R08: 1fe2200001f89539 R09: ff110000107c8b80
[   67.041364][ T1206] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   67.041562][ T1206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001271c000
[   67.041757][ T1206] FS:  00007f6d1cad4840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   67.042001][ T1206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.042167][ T1206] CR2: 00007f6d1cce0690 CR3: 000000000c0a2001 CR4: 0000000000771ef0
[   67.042362][ T1206] PKRU: 55555554
[   67.042460][ T1206] Call Trace:
[   67.042562][ T1206]  <TASK>
[   67.042629][ T1206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.042761][ T1206]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.042905][ T1206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.043005][ T1206]  register_netdevice (net/core/dev.c:11488)
[   67.043138][ T1206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.043300][ T1206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.043431][ T1206]  register_netdev (net/core/dev.c:11552)
[   67.043565][ T1206]  loopback_net_init (drivers/net/loopback.c:218)
[   67.043695][ T1206]  ops_init (net/core/net_namespace.c:137)
[   67.043795][ T1206]  setup_net (net/core/net_namespace.c:446)
[   67.043904][ T1206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.044036][ T1206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.044168][ T1206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.044303][ T1206]  copy_net_ns (net/core/net_namespace.c:579)
[   67.044437][ T1206]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.044576][ T1206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.044707][ T1206]  ksys_unshare (kernel/fork.c:3243)
[   67.044841][ T1206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.044980][ T1206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.045110][ T1206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.045245][ T1206]  ? __ia32_sys_open (fs/open.c:1374)
[   67.045377][ T1206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.045510][ T1206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.045641][ T1206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.045770][ T1206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.045911][ T1206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.046045][ T1206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.046210][ T1206] RIP: 0033:0x7f6d1cd96bcb
[   67.046349][ T1206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.046817][ T1206] RSP: 002b:00007ffd7a033b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.047025][ T1206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d1cd96bcb
[   67.047218][ T1206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.047414][ T1206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.047613][ T1206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7a035d80
[   67.047807][ T1206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7a036847
| [   67.052010][ T1206] ------------[ cut here ]------------
| [   67.052145][ T1206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1206
| [   67.052401][ T1206] Modules linked in:
| [   67.052765][ T1206] Tainted: [W]=WARN
[   67.052874][ T1206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.053040][ T1206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.053208][ T1206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.053674][ T1206] RSP: 0018:ffa00000037d7918 EFLAGS: 00010286
[   67.053840][ T1206] RAX: 00000000ffffffa6 RBX: ff110000126bfa80 RCX: 1ff40000006faee9
[   67.054071][ T1206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bfb3c
[   67.054262][ T1206] RBP: ff1100000ff19000 R08: 1fe22000024d7f69 R09: ff110000107c8b80
[   67.054454][ T1206] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   67.054646][ T1206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff19000
[   67.054846][ T1206] FS:  00007f6d1cad4840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   67.055075][ T1206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.055237][ T1206] CR2: 00007f6d1cce0690 CR3: 000000000c0a2001 CR4: 0000000000771ef0
[   67.055432][ T1206] PKRU: 55555554
[   67.055531][ T1206] Call Trace:
[   67.055627][ T1206]  <TASK>
[   67.055693][ T1206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.055823][ T1206]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.055971][ T1206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.056070][ T1206]  register_netdevice (net/core/dev.c:11488)
[   67.056205][ T1206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.056364][ T1206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.056494][ T1206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   67.056627][ T1206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   67.056755][ T1206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   67.056899][ T1206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   67.057029][ T1206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   67.057160][ T1206]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   67.057289][ T1206]  ops_init (net/core/net_namespace.c:137)
[   67.057388][ T1206]  setup_net (net/core/net_namespace.c:446)
[   67.057485][ T1206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.057615][ T1206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.057743][ T1206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.057883][ T1206]  copy_net_ns (net/core/net_namespace.c:579)
[   67.058013][ T1206]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.058145][ T1206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.058274][ T1206]  ksys_unshare (kernel/fork.c:3243)
[   67.058402][ T1206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.058534][ T1206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.058662][ T1206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.058791][ T1206]  ? __ia32_sys_open (fs/open.c:1374)
[   67.058932][ T1206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.059060][ T1206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.059187][ T1206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.059316][ T1206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.059444][ T1206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.059576][ T1206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.059735][ T1206] RIP: 0033:0x7f6d1cd96bcb
[   67.059880][ T1206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.060338][ T1206] RSP: 002b:00007ffd7a033b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.060534][ T1206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d1cd96bcb
[   67.060727][ T1206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.060931][ T1206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.061122][ T1206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7a035d80
[   67.061314][ T1206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7a036847
| [   67.071638][ T1206] ------------[ cut here ]------------
| [   67.071785][ T1206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1206
| [   67.072071][ T1206] Modules linked in:
| [   67.072438][ T1206] Tainted: [W]=WARN
[   67.072541][ T1206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.072704][ T1206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.072882][ T1206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.073346][ T1206] RSP: 0018:ffa00000037d78f8 EFLAGS: 00010286
[   67.073515][ T1206] RAX: 00000000ffffffa6 RBX: ff11000008ea8200 RCX: 1ff40000006faee5
[   67.073713][ T1206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008ea82bc
[   67.073916][ T1206] RBP: ff11000009b04000 R08: 1fe22000011d5059 R09: ff110000107c8b80
[   67.074115][ T1206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   67.074315][ T1206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b04000
[   67.074516][ T1206] FS:  00007f6d1cad4840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   67.074745][ T1206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.074920][ T1206] CR2: 00007fdc0a8e3298 CR3: 000000000c0a2005 CR4: 0000000000771ef0
[   67.075116][ T1206] PKRU: 55555554
[   67.075214][ T1206] Call Trace:
[   67.075311][ T1206]  <TASK>
[   67.075379][ T1206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.075514][ T1206]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.075647][ T1206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.075747][ T1206]  register_netdevice (net/core/dev.c:11488)
[   67.075952][ T1206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.076117][ T1206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.076249][ T1206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   67.076381][ T1206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   67.076572][ T1206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   67.076706][ T1206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   67.076845][ T1206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   67.076989][ T1206]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   67.077122][ T1206]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.077261][ T1206]  vti_init_net (net/ipv4/ip_vti.c:517)
[   67.077391][ T1206]  ops_init (net/core/net_namespace.c:137)
[   67.077492][ T1206]  setup_net (net/core/net_namespace.c:446)
[   67.077596][ T1206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.077725][ T1206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.077862][ T1206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.078002][ T1206]  copy_net_ns (net/core/net_namespace.c:579)
[   67.078135][ T1206]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.078270][ T1206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.078402][ T1206]  ksys_unshare (kernel/fork.c:3243)
[   67.078537][ T1206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.078668][ T1206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.078800][ T1206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.078944][ T1206]  ? __ia32_sys_open (fs/open.c:1374)
[   67.079078][ T1206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.079208][ T1206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.079340][ T1206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.079470][ T1206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.079604][ T1206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.079735][ T1206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.079912][ T1206] RIP: 0033:0x7f6d1cd96bcb
[   67.080049][ T1206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.080517][ T1206] RSP: 002b:00007ffd7a033b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.080715][ T1206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d1cd96bcb
[   67.080923][ T1206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.081119][ T1206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.081320][ T1206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7a035d80
[   67.081517][ T1206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7a036847
| [   67.086069][ T1206] ------------[ cut here ]------------
| [   67.086210][ T1206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1206
| [   67.086466][ T1206] Modules linked in:
| [   67.086838][ T1206] Tainted: [W]=WARN
[   67.086944][ T1206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.087105][ T1206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.087279][ T1206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.087744][ T1206] RSP: 0018:ffa00000037d7a78 EFLAGS: 00010286
[   67.087921][ T1206] RAX: 00000000ffffffa6 RBX: ff1100000d6d6ac0 RCX: 1ff40000006faf15
[   67.088115][ T1206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6b7c
[   67.088309][ T1206] RBP: ff11000004d44000 R08: 1fe2200001adad71 R09: ff110000107c8b80
[   67.088503][ T1206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   67.088700][ T1206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d44000
[   67.088907][ T1206] FS:  00007f6d1cad4840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   67.089134][ T1206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.089296][ T1206] CR2: 00007fdc0a8e3298 CR3: 000000000c0a2005 CR4: 0000000000771ef0
[   67.089493][ T1206] PKRU: 55555554
[   67.089594][ T1206] Call Trace:
[   67.089691][ T1206]  <TASK>
[   67.089759][ T1206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.089953][ T1206]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.090083][ T1206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.090182][ T1206]  register_netdevice (net/core/dev.c:11488)
[   67.090315][ T1206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.090477][ T1206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.090614][ T1206]  register_netdev (net/core/dev.c:11552)
[   67.090743][ T1206]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   67.090933][ T1206]  ops_init (net/core/net_namespace.c:137)
[   67.091033][ T1206]  setup_net (net/core/net_namespace.c:446)
[   67.091131][ T1206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.091260][ T1206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.091389][ T1206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.091522][ T1206]  copy_net_ns (net/core/net_namespace.c:579)
[   67.091653][ T1206]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.091786][ T1206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.091976][ T1206]  ksys_unshare (kernel/fork.c:3243)
[   67.092159][ T1206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.092289][ T1206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.092418][ T1206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.092551][ T1206]  ? __ia32_sys_open (fs/open.c:1374)
[   67.092681][ T1206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.092808][ T1206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.092998][ T1206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.093127][ T1206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.093256][ T1206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.093386][ T1206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.093549][ T1206] RIP: 0033:0x7f6d1cd96bcb
[   67.093684][ T1206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.094209][ T1206] RSP: 002b:00007ffd7a033b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.094407][ T1206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d1cd96bcb
[   67.094605][ T1206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.094798][ T1206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.095053][ T1206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7a035d80
[   67.095247][ T1206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7a036847
| [   67.099559][ T1206] ------------[ cut here ]------------
| [   67.099736][ T1206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1206
| [   67.100075][ T1206] Modules linked in:
| [   67.100531][ T1206] Tainted: [W]=WARN
[   67.100676][ T1206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.100905][ T1206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.101129][ T1206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.101640][ T1206] RSP: 0018:ffa00000037d7a68 EFLAGS: 00010286
[   67.101857][ T1206] RAX: 00000000ffffffa6 RBX: ff11000008ea9e00 RCX: 1ff40000006faf13
[   67.102108][ T1206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008ea9ebc
[   67.102346][ T1206] RBP: ff11000010114000 R08: 1fe22000011d53d9 R09: ff110000107c8b80
[   67.102592][ T1206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   67.102829][ T1206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010114000
[   67.103094][ T1206] FS:  00007f6d1cad4840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   67.103368][ T1206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.103586][ T1206] CR2: 000055dfdb5e2d5c CR3: 000000000c0a2004 CR4: 0000000000771ef0
[   67.103828][ T1206] PKRU: 55555554
[   67.103990][ T1206] Call Trace:
[   67.104134][ T1206]  <TASK>
[   67.104248][ T1206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.104425][ T1206]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.104614][ T1206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.104761][ T1206]  register_netdevice (net/core/dev.c:11488)
[   67.104955][ T1206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.105165][ T1206]  register_netdev (net/core/dev.c:11552)
[   67.105342][ T1206]  sit_init_net (net/ipv6/sit.c:1860)
[   67.105531][ T1206]  ops_init (net/core/net_namespace.c:137)
[   67.105682][ T1206]  setup_net (net/core/net_namespace.c:446)
[   67.105841][ T1206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.106037][ T1206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.106214][ T1206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.106392][ T1206]  copy_net_ns (net/core/net_namespace.c:579)
[   67.106579][ T1206]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.106759][ T1206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.106956][ T1206]  ksys_unshare (kernel/fork.c:3243)
[   67.107135][ T1206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.107310][ T1206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.107485][ T1206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.107667][ T1206]  ? __ia32_sys_open (fs/open.c:1374)
[   67.107851][ T1206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.108039][ T1206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.108215][ T1206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.108393][ T1206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.108577][ T1206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.108753][ T1206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.108979][ T1206] RIP: 0033:0x7f6d1cd96bcb
[   67.109160][ T1206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.109684][ T1206] RSP: 002b:00007ffd7a033b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.109945][ T1206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d1cd96bcb
[   67.110183][ T1206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.110421][ T1206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.110668][ T1206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7a035d80
[   67.110919][ T1206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7a036847
| [   67.122393][ T1206] ------------[ cut here ]------------
| [   67.122575][ T1206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1206
| [   67.122947][ T1206] Modules linked in:
| [   67.123399][ T1206] Tainted: [W]=WARN
[   67.123549][ T1206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.123759][ T1206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.123992][ T1206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.124497][ T1206] RSP: 0018:ffa00000037d7a78 EFLAGS: 00010286
[   67.124718][ T1206] RAX: 00000000ffffffa6 RBX: ff1100000d512580 RCX: 1ff40000006faf15
[   67.124981][ T1206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51263c
[   67.125221][ T1206] RBP: ff11000005009000 R08: 1fe2200001aa24c9 R09: ff110000107c8b80
[   67.125459][ T1206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   67.125707][ T1206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005009000
[   67.125973][ T1206] FS:  00007f6d1cad4840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   67.126246][ T1206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.126453][ T1206] CR2: 000055dfdb5e2d5c CR3: 000000000c0a2004 CR4: 0000000000771ef0
[   67.126701][ T1206] PKRU: 55555554
[   67.126851][ T1206] Call Trace:
[   67.127011][ T1206]  <TASK>
[   67.127125][ T1206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.127306][ T1206]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.127481][ T1206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.127632][ T1206]  register_netdevice (net/core/dev.c:11488)
[   67.127811][ T1206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.128038][ T1206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.128221][ T1206]  register_netdev (net/core/dev.c:11552)
[   67.128397][ T1206]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   67.128584][ T1206]  ops_init (net/core/net_namespace.c:137)
[   67.128730][ T1206]  setup_net (net/core/net_namespace.c:446)
[   67.128893][ T1206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.129068][ T1206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.129245][ T1206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.129426][ T1206]  copy_net_ns (net/core/net_namespace.c:579)
[   67.129612][ T1206]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.129790][ T1206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.129983][ T1206]  ksys_unshare (kernel/fork.c:3243)
[   67.130159][ T1206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.130335][ T1206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.130514][ T1206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.130700][ T1206]  ? __ia32_sys_open (fs/open.c:1374)
[   67.130894][ T1206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.131070][ T1206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.131245][ T1206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.131419][ T1206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.131601][ T1206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.131779][ T1206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.132005][ T1206] RIP: 0033:0x7f6d1cd96bcb
[   67.132189][ T1206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.132695][ T1206] RSP: 002b:00007ffd7a033b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.132951][ T1206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6d1cd96bcb
[   67.133191][ T1206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.133428][ T1206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.133674][ T1206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7a035d80
[   67.133932][ T1206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7a036847
| [   67.157531][ T1207] ------------[ cut here ]------------
| [   67.157680][ T1207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1207
| [   67.158534][ T1207] Modules linked in:
| [   67.159000][ T1207] Tainted: [W]=WARN
[   67.159098][ T1207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.159258][ T1207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.159426][ T1207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.159933][ T1207] RSP: 0018:ffa00000037d7020 EFLAGS: 00010286
[   67.160097][ T1207] RAX: 00000000ffffffa6 RBX: ff1100000dc26740 RCX: 1ff40000006fadca
[   67.160288][ T1207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc267fc
[   67.160480][ T1207] RBP: ff1100001271c000 R08: 1fe2200001b84d01 R09: ff110000107cae58
[   67.160675][ T1207] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   67.160882][ T1207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.161083][ T1207] FS:  00007ff03c510840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.161308][ T1207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.161470][ T1207] CR2: 00007ff03c7e01a0 CR3: 000000000de50003 CR4: 0000000000771ef0
[   67.161669][ T1207] PKRU: 55555554
[   67.161767][ T1207] Call Trace:
[   67.161874][ T1207]  <TASK>
[   67.161941][ T1207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.162072][ T1207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.162172][ T1207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.162301][ T1207]  __dev_notify_flags (net/core/dev.c:9787)
[   67.162434][ T1207]  ? netif_change_name (net/core/dev.c:1495)
[   67.162569][ T1207]  ? __dev_change_flags (net/core/dev.c:9752)
[   67.162700][ T1207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.162828][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.162970][ T1207]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.163103][ T1207]  netif_change_flags (net/core/dev.c:9820)
[   67.163234][ T1207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   67.163364][ T1207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.163497][ T1207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.163631][ T1207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.163795][ T1207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.163935][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.164065][ T1207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.164195][ T1207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.164328][ T1207]  ? __kernel_text_address (kernel/extable.c:79)
[   67.164458][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.164591][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.164719][ T1207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.164856][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.164994][ T1207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.165123][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.165252][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.165383][ T1207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.165516][ T1207]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.165646][ T1207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.165776][ T1207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.165998][ T1207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.166132][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.166264][ T1207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.166396][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.166529][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.166659][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.166787][ T1207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.166990][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.167123][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.167251][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.167379][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.167514][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.167646][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.167776][ T1207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.167963][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.168092][ T1207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.168220][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.168349][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.168478][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.168614][ T1207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.168744][ T1207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.168938][ T1207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.169072][ T1207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.169202][ T1207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.169335][ T1207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.169467][ T1207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.169603][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.169735][ T1207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.169947][ T1207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.170080][ T1207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.170214][ T1207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.170346][ T1207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.170476][ T1207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.170641][ T1207]  ? move_addr_to_kernel (net/socket.c:258)
[   67.170773][ T1207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.171048][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.171181][ T1207]  ___sys_sendmsg (net/socket.c:2752)
[   67.171310][ T1207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.171471][ T1207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.171617][ T1207]  __sys_sendmsg (net/socket.c:2784)
[   67.171748][ T1207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.171945][ T1207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.172107][ T1207]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.172238][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.172369][ T1207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.172498][ T1207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.172632][ T1207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.172761][ T1207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.172935][ T1207] RIP: 0033:0x7ff03c74a08e
[   67.173070][ T1207] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.173537][ T1207] RSP: 002b:00007fff30837ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.173733][ T1207] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff03c74a08e
[   67.173939][ T1207] RDX: 0000000000000000 RSI: 00007fff30837c50 RDI: 0000000000000005
[   67.174130][ T1207] RBP: 00007fff30837bb0 R08: 0000000000000000 R09: 0000000000000000
[   67.174324][ T1207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2f
[   67.174520][ T1207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30838320
| [   67.370578][ T1215] ------------[ cut here ]------------
| [   67.370736][ T1215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1215
| [   67.371006][ T1215] Modules linked in:
| [   67.371375][ T1215] Tainted: [W]=WARN
[   67.371474][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.371642][ T1215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.371812][ T1215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.372291][ T1215] RSP: 0018:ffa0000003857a80 EFLAGS: 00010286
[   67.372456][ T1215] RAX: 00000000ffffffa6 RBX: ff1100000d6d7c40 RCX: 1ff400000070af16
[   67.372654][ T1215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d7cfc
[   67.372853][ T1215] RBP: ff11000010be9000 R08: 1fe2200001adafa1 R09: ff11000012505180
[   67.373053][ T1215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.373246][ T1215] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010be9000
[   67.373441][ T1215] FS:  00007f8e0f4a0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.373673][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.373842][ T1215] CR2: 00007f8e0f6a7430 CR3: 000000000945c004 CR4: 0000000000771ef0
[   67.374042][ T1215] PKRU: 55555554
[   67.374141][ T1215] Call Trace:
[   67.374239][ T1215]  <TASK>
[   67.374308][ T1215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.374440][ T1215]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.374576][ T1215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.374675][ T1215]  register_netdevice (net/core/dev.c:11488)
[   67.374808][ T1215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.374985][ T1215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.375117][ T1215]  register_netdev (net/core/dev.c:11552)
[   67.375249][ T1215]  loopback_net_init (drivers/net/loopback.c:218)
[   67.375379][ T1215]  ops_init (net/core/net_namespace.c:137)
[   67.375479][ T1215]  setup_net (net/core/net_namespace.c:446)
[   67.375581][ T1215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.375711][ T1215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.375846][ T1215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.375984][ T1215]  copy_net_ns (net/core/net_namespace.c:579)
[   67.376117][ T1215]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.376250][ T1215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.376381][ T1215]  ksys_unshare (kernel/fork.c:3243)
[   67.376515][ T1215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.376645][ T1215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.376776][ T1215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.376915][ T1215]  ? __ia32_sys_open (fs/open.c:1374)
[   67.377047][ T1215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.377177][ T1215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.377306][ T1215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.377436][ T1215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.377569][ T1215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.377699][ T1215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.377872][ T1215] RIP: 0033:0x7f8e0f762bcb
[   67.378008][ T1215] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.378470][ T1215] RSP: 002b:00007ffd00cd1a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   67.378671][ T1215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e0f762bcb
[   67.378873][ T1215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.379067][ T1215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.379260][ T1215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd00cd3c40
[   67.379455][ T1215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00cd4847
| [   67.383657][ T1215] ------------[ cut here ]------------
| [   67.383791][ T1215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1215
| [   67.384063][ T1215] Modules linked in:
| [   67.384423][ T1215] Tainted: [W]=WARN
[   67.384522][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.384683][ T1215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.384856][ T1215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.385322][ T1215] RSP: 0018:ffa0000003857918 EFLAGS: 00010286
[   67.385485][ T1215] RAX: 00000000ffffffa6 RBX: ff1100000dc26ac0 RCX: 1ff400000070aee9
[   67.385679][ T1215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc26b7c
[   67.385881][ T1215] RBP: ff11000008341000 R08: 1fe2200001b84d71 R09: ff11000012505180
[   67.386073][ T1215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.386266][ T1215] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008341000
[   67.386460][ T1215] FS:  00007f8e0f4a0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.386691][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.386857][ T1215] CR2: 00007f8e0f6a7430 CR3: 000000000945c004 CR4: 0000000000771ef0
[   67.387057][ T1215] PKRU: 55555554
[   67.387153][ T1215] Call Trace:
[   67.387249][ T1215]  <TASK>
[   67.387315][ T1215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.387445][ T1215]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.387579][ T1215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.387678][ T1215]  register_netdevice (net/core/dev.c:11488)
[   67.387809][ T1215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.387980][ T1215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.388111][ T1215]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   67.388240][ T1215]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   67.388370][ T1215]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   67.388500][ T1215]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   67.388632][ T1215]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   67.388763][ T1215]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   67.388905][ T1215]  ops_init (net/core/net_namespace.c:137)
[   67.389005][ T1215]  setup_net (net/core/net_namespace.c:446)
[   67.389104][ T1215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.389232][ T1215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.389363][ T1215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.389495][ T1215]  copy_net_ns (net/core/net_namespace.c:579)
[   67.389629][ T1215]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.389762][ T1215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.389903][ T1215]  ksys_unshare (kernel/fork.c:3243)
[   67.390033][ T1215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.390164][ T1215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.390294][ T1215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.390423][ T1215]  ? __ia32_sys_open (fs/open.c:1374)
[   67.390644][ T1215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.390773][ T1215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.390917][ T1215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.391045][ T1215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.391258][ T1215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.391388][ T1215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.391550][ T1215] RIP: 0033:0x7f8e0f762bcb
[   67.391774][ T1215] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.392240][ T1215] RSP: 002b:00007ffd00cd1a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   67.392523][ T1215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e0f762bcb
[   67.392715][ T1215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.392915][ T1215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.393106][ T1215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd00cd3c40
[   67.393297][ T1215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00cd4847
| [   67.397516][ T1215] ------------[ cut here ]------------
| [   67.397653][ T1215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1215
| [   67.397915][ T1215] Modules linked in:
| [   67.398368][ T1215] Tainted: [W]=WARN
[   67.398468][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.398636][ T1215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.398806][ T1215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.399279][ T1215] RSP: 0018:ffa00000038578f8 EFLAGS: 00010286
[   67.399538][ T1215] RAX: 00000000ffffffa6 RBX: ff1100000ee51380 RCX: 1ff400000070aee5
[   67.399735][ T1215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5143c
[   67.399943][ T1215] RBP: ff1100001046c000 R08: 1fe2200001dca289 R09: ff11000012505180
[   67.400227][ T1215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.400423][ T1215] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001046c000
[   67.400622][ T1215] FS:  00007f8e0f4a0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.400947][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.401109][ T1215] CR2: 00007f8e0f6a7430 CR3: 000000000945c004 CR4: 0000000000771ef0
[   67.401395][ T1215] PKRU: 55555554
[   67.401494][ T1215] Call Trace:
[   67.401595][ T1215]  <TASK>
[   67.401663][ T1215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.401796][ T1215]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.401941][ T1215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.402041][ T1215]  register_netdevice (net/core/dev.c:11488)
[   67.402175][ T1215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.402338][ T1215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.402564][ T1215]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   67.402696][ T1215]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   67.402829][ T1215]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   67.402973][ T1215]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   67.403192][ T1215]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   67.403326][ T1215]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   67.403458][ T1215]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.403595][ T1215]  vti_init_net (net/ipv4/ip_vti.c:517)
[   67.403814][ T1215]  ops_init (net/core/net_namespace.c:137)
[   67.403925][ T1215]  setup_net (net/core/net_namespace.c:446)
[   67.404024][ T1215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.404155][ T1215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.404287][ T1215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.404511][ T1215]  copy_net_ns (net/core/net_namespace.c:579)
[   67.404645][ T1215]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.404779][ T1215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.404918][ T1215]  ksys_unshare (kernel/fork.c:3243)
[   67.405139][ T1215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.405270][ T1215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.405402][ T1215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.405539][ T1215]  ? __ia32_sys_open (fs/open.c:1374)
[   67.405762][ T1215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.405907][ T1215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.406038][ T1215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.406169][ T1215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.406389][ T1215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.406523][ T1215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.406686][ T1215] RIP: 0033:0x7f8e0f762bcb
[   67.406823][ T1215] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.407397][ T1215] RSP: 002b:00007ffd00cd1a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   67.407689][ T1215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e0f762bcb
[   67.407895][ T1215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.408093][ T1215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.408379][ T1215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd00cd3c40
[   67.408580][ T1215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00cd4847
| [   67.413170][ T1215] ------------[ cut here ]------------
| [   67.413305][ T1215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1215
| [   67.413567][ T1215] Modules linked in:
| [   67.414039][ T1215] Tainted: [W]=WARN
[   67.414138][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.414389][ T1215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.414562][ T1215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.415036][ T1215] RSP: 0018:ffa0000003857a78 EFLAGS: 00010286
[   67.415200][ T1215] RAX: 00000000ffffffa6 RBX: ff1100000ee50ac0 RCX: 1ff400000070af15
[   67.415394][ T1215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50b7c
[   67.415680][ T1215] RBP: ff11000010bd9000 R08: 1fe2200001dca171 R09: ff11000012505180
[   67.415881][ T1215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.416163][ T1215] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bd9000
[   67.416358][ T1215] FS:  00007f8e0f4a0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.416586][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.416840][ T1215] CR2: 00007f8e0f6a7430 CR3: 000000000945c004 CR4: 0000000000771ef0
[   67.417042][ T1215] PKRU: 55555554
[   67.417138][ T1215] Call Trace:
[   67.417237][ T1215]  <TASK>
[   67.417389][ T1215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.417521][ T1215]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.417651][ T1215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.417751][ T1215]  register_netdevice (net/core/dev.c:11488)
[   67.417895][ T1215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.418057][ T1215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.418190][ T1215]  register_netdev (net/core/dev.c:11552)
[   67.418321][ T1215]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   67.418544][ T1215]  ops_init (net/core/net_namespace.c:137)
[   67.418644][ T1215]  setup_net (net/core/net_namespace.c:446)
[   67.418743][ T1215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.418881][ T1215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.419012][ T1215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.419232][ T1215]  copy_net_ns (net/core/net_namespace.c:579)
[   67.419364][ T1215]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.419497][ T1215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.419631][ T1215]  ksys_unshare (kernel/fork.c:3243)
[   67.419851][ T1215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.419987][ T1215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.420119][ T1215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.420251][ T1215]  ? __ia32_sys_open (fs/open.c:1374)
[   67.420469][ T1215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.420602][ T1215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.420730][ T1215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.420870][ T1215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.421086][ T1215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.421216][ T1215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.421377][ T1215] RIP: 0033:0x7f8e0f762bcb
[   67.421516][ T1215] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.422078][ T1215] RSP: 002b:00007ffd00cd1a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   67.422360][ T1215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e0f762bcb
[   67.422556][ T1215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.422748][ T1215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.423039][ T1215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd00cd3c40
[   67.423231][ T1215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00cd4847
| [   67.427783][ T1215] ------------[ cut here ]------------
| [   67.427929][ T1215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1215
| [   67.428184][ T1215] Modules linked in:
| [   67.428639][ T1215] Tainted: [W]=WARN
[   67.428736][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.428910][ T1215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.429078][ T1215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.429638][ T1215] RSP: 0018:ffa0000003857a68 EFLAGS: 00010286
[   67.429802][ T1215] RAX: 00000000ffffffa6 RBX: ff1100000a16a900 RCX: 1ff400000070af13
[   67.430007][ T1215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a9bc
[   67.430289][ T1215] RBP: ff1100001061c000 R08: 1fe220000142d539 R09: ff11000012505180
[   67.430482][ T1215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.430765][ T1215] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001061c000
[   67.430973][ T1215] FS:  00007f8e0f4a0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.431201][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.431452][ T1215] CR2: 00007f8e0f6a7430 CR3: 000000000945c004 CR4: 0000000000771ef0
[   67.431649][ T1215] PKRU: 55555554
[   67.431746][ T1215] Call Trace:
[   67.431846][ T1215]  <TASK>
[   67.431917][ T1215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.432046][ T1215]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.432177][ T1215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.432277][ T1215]  register_netdevice (net/core/dev.c:11488)
[   67.432408][ T1215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.432662][ T1215]  register_netdev (net/core/dev.c:11552)
[   67.432792][ T1215]  sit_init_net (net/ipv6/sit.c:1860)
[   67.432934][ T1215]  ops_init (net/core/net_namespace.c:137)
[   67.433034][ T1215]  setup_net (net/core/net_namespace.c:446)
[   67.433219][ T1215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.433349][ T1215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.433478][ T1215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.433613][ T1215]  copy_net_ns (net/core/net_namespace.c:579)
[   67.433830][ T1215]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.433973][ T1215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.434103][ T1215]  ksys_unshare (kernel/fork.c:3243)
[   67.434233][ T1215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.434450][ T1215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.434581][ T1215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.434712][ T1215]  ? __ia32_sys_open (fs/open.c:1374)
[   67.434846][ T1215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.434980][ T1215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.435108][ T1215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.435238][ T1215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.435367][ T1215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.435588][ T1215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.435749][ T1215] RIP: 0033:0x7f8e0f762bcb
[   67.435891][ T1215] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.436444][ T1215] RSP: 002b:00007ffd00cd1a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   67.436644][ T1215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e0f762bcb
[   67.436936][ T1215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.437129][ T1215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.437410][ T1215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd00cd3c40
[   67.437607][ T1215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00cd4847
| [   67.442519][ T1215] ------------[ cut here ]------------
| [   67.442656][ T1215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1215
| [   67.442928][ T1215] Modules linked in:
| [   67.443290][ T1215] Tainted: [W]=WARN
[   67.443389][ T1215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.443643][ T1215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.443812][ T1215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.444379][ T1215] RSP: 0018:ffa0000003857a78 EFLAGS: 00010286
[   67.444548][ T1215] RAX: 00000000ffffffa6 RBX: ff1100000561fc40 RCX: 1ff400000070af15
[   67.444836][ T1215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000561fcfc
[   67.445038][ T1215] RBP: ff11000009afc000 R08: 1fe2200000ac3fa1 R09: ff11000012505180
[   67.445230][ T1215] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.445517][ T1215] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009afc000
[   67.445715][ T1215] FS:  00007f8e0f4a0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.445950][ T1215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.446114][ T1215] CR2: 00007f8e0f6a7430 CR3: 000000000945c004 CR4: 0000000000771ef0
[   67.446312][ T1215] PKRU: 55555554
[   67.446411][ T1215] Call Trace:
[   67.446598][ T1215]  <TASK>
[   67.446666][ T1215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.446798][ T1215]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.446941][ T1215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.447041][ T1215]  register_netdevice (net/core/dev.c:11488)
[   67.447261][ T1215]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.447425][ T1215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.447562][ T1215]  register_netdev (net/core/dev.c:11552)
[   67.447781][ T1215]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   67.447925][ T1215]  ops_init (net/core/net_namespace.c:137)
[   67.448026][ T1215]  setup_net (net/core/net_namespace.c:446)
[   67.448126][ T1215]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.448258][ T1215]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.448477][ T1215]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.448613][ T1215]  copy_net_ns (net/core/net_namespace.c:579)
[   67.448747][ T1215]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.448894][ T1215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.449115][ T1215]  ksys_unshare (kernel/fork.c:3243)
[   67.449245][ T1215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.449377][ T1215]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.449511][ T1215]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.449731][ T1215]  ? __ia32_sys_open (fs/open.c:1374)
[   67.449874][ T1215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.450007][ T1215]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.450138][ T1215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.450356][ T1215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.450486][ T1215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.450618][ T1215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.450780][ T1215] RIP: 0033:0x7f8e0f762bcb
[   67.451020][ T1215] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.451581][ T1215] RSP: 002b:00007ffd00cd1a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   67.451779][ T1215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e0f762bcb
[   67.451980][ T1215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.452266][ T1215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.452461][ T1215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd00cd3c40
[   67.452660][ T1215] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00cd4847
| [   67.490606][ T1216] ------------[ cut here ]------------
| [   67.490754][ T1216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1216
| [   67.491033][ T1216] Modules linked in:
| [   67.491403][ T1216] Tainted: [W]=WARN
[   67.491502][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.491672][ T1216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.491847][ T1216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.492316][ T1216] RSP: 0018:ffa0000003867020 EFLAGS: 00010286
[   67.492482][ T1216] RAX: 00000000ffffffa6 RBX: ff1100000d6d7e00 RCX: 1ff400000070cdca
[   67.492678][ T1216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d7ebc
[   67.492888][ T1216] RBP: ff11000010be9000 R08: 1fe2200001adafd9 R09: ff11000012502e58
[   67.493081][ T1216] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   67.493280][ T1216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.493475][ T1216] FS:  00007f74be469840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   67.493706][ T1216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.493881][ T1216] CR2: 0000000008ec6988 CR3: 000000000de50003 CR4: 0000000000771ef0
[   67.494078][ T1216] PKRU: 55555554
[   67.494175][ T1216] Call Trace:
[   67.494273][ T1216]  <TASK>
[   67.494340][ T1216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.494472][ T1216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.494575][ T1216]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.494706][ T1216]  __dev_notify_flags (net/core/dev.c:9787)
[   67.494842][ T1216]  ? netif_change_name (net/core/dev.c:1495)
[   67.494980][ T1216]  ? __dev_change_flags (net/core/dev.c:9752)
[   67.495113][ T1216]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.495243][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.495375][ T1216]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.495512][ T1216]  netif_change_flags (net/core/dev.c:9820)
[   67.495644][ T1216]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   67.495775][ T1216]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.495918][ T1216]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.496051][ T1216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.496216][ T1216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.496347][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.496479][ T1216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.496613][ T1216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.496745][ T1216]  ? __kernel_text_address (kernel/extable.c:79)
[   67.496886][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.497021][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.497151][ T1216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.497282][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.497413][ T1216]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.497545][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.497674][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.497804][ T1216]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.497951][ T1216]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.498083][ T1216]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.498214][ T1216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.498346][ T1216]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.498480][ T1216]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.498617][ T1216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.498750][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.498970][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.499100][ T1216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.499230][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.499359][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.499493][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.499627][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.499758][ T1216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.499961][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.500095][ T1216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.500227][ T1216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.500358][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.500488][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.500620][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.500752][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.500985][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.501177][ T1216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.501311][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.501442][ T1216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.501582][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.501712][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.501850][ T1216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.502060][ T1216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.502193][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.502326][ T1216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.502458][ T1216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.502596][ T1216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.502729][ T1216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.502897][ T1216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.503029][ T1216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.503190][ T1216]  ? move_addr_to_kernel (net/socket.c:258)
[   67.503323][ T1216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.503453][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.503587][ T1216]  ___sys_sendmsg (net/socket.c:2752)
[   67.503717][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.503889][ T1216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.504032][ T1216]  __sys_sendmsg (net/socket.c:2784)
[   67.504163][ T1216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.504295][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.504462][ T1216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.504597][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.504728][ T1216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.504862][ T1216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.504997][ T1216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.505127][ T1216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.505289][ T1216] RIP: 0033:0x7f74be6a308e
[   67.505426][ T1216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.505906][ T1216] RSP: 002b:00007ffdf7f342a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.506102][ T1216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f74be6a308e
[   67.506298][ T1216] RDX: 0000000000000000 RSI: 00007ffdf7f34350 RDI: 0000000000000005
[   67.506493][ T1216] RBP: 00007ffdf7f342b0 R08: 0000000000000000 R09: 0000000000000000
[   67.506691][ T1216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd2f
[   67.506896][ T1216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7f34a20
| [   67.695194][ T1224] ------------[ cut here ]------------
| [   67.695349][ T1224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1224
| [   67.695616][ T1224] Modules linked in:
| [   67.696004][ T1224] Tainted: [W]=WARN
[   67.696104][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.696270][ T1224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.696444][ T1224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.696925][ T1224] RSP: 0018:ffa00000038e7a80 EFLAGS: 00010286
[   67.697090][ T1224] RAX: 00000000ffffffa6 RBX: ff1100000561e740 RCX: 1ff400000071cf16
[   67.697285][ T1224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000561e7fc
[   67.697483][ T1224] RBP: ff1100000edfc000 R08: 1fe2200000ac3d01 R09: ff11000009652e80
[   67.697679][ T1224] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.697884][ T1224] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edfc000
[   67.698081][ T1224] FS:  00007fc9ae3e2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.698312][ T1224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.698475][ T1224] CR2: 00007fc9ae5e9430 CR3: 000000000d189002 CR4: 0000000000771ef0
[   67.698675][ T1224] PKRU: 55555554
[   67.698774][ T1224] Call Trace:
[   67.698880][ T1224]  <TASK>
[   67.698949][ T1224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.699081][ T1224]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.699214][ T1224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.699314][ T1224]  register_netdevice (net/core/dev.c:11488)
[   67.699448][ T1224]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.699617][ T1224]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.699749][ T1224]  register_netdev (net/core/dev.c:11552)
[   67.699888][ T1224]  loopback_net_init (drivers/net/loopback.c:218)
[   67.700023][ T1224]  ops_init (net/core/net_namespace.c:137)
[   67.700123][ T1224]  setup_net (net/core/net_namespace.c:446)
[   67.700223][ T1224]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.700352][ T1224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.700481][ T1224]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.700616][ T1224]  copy_net_ns (net/core/net_namespace.c:579)
[   67.700748][ T1224]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.700893][ T1224]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.701025][ T1224]  ksys_unshare (kernel/fork.c:3243)
[   67.701156][ T1224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.701288][ T1224]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.701419][ T1224]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.701554][ T1224]  ? __ia32_sys_open (fs/open.c:1374)
[   67.701688][ T1224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.701819][ T1224]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.701960][ T1224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.702090][ T1224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.702220][ T1224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.702350][ T1224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.702514][ T1224] RIP: 0033:0x7fc9ae6a4bcb
[   67.702652][ T1224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.703126][ T1224] RSP: 002b:00007fff61c7ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.703322][ T1224] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9ae6a4bcb
[   67.703519][ T1224] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.703715][ T1224] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.703916][ T1224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff61c7ce30
[   67.704111][ T1224] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff61c7d847
| [   67.713409][ T1224] ------------[ cut here ]------------
| [   67.713550][ T1224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1224
| [   67.713805][ T1224] Modules linked in:
| [   67.714176][ T1224] Tainted: [W]=WARN
[   67.714274][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.714438][ T1224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.714608][ T1224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.715084][ T1224] RSP: 0018:ffa00000038e7918 EFLAGS: 00010286
[   67.715248][ T1224] RAX: 00000000ffffffa6 RBX: ff110000054cde00 RCX: 1ff400000071cee9
[   67.715443][ T1224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000054cdebc
[   67.715640][ T1224] RBP: ff1100000973c000 R08: 1fe2200000a99bd9 R09: ff11000009652e80
[   67.715837][ T1224] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.716036][ T1224] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000973c000
[   67.716232][ T1224] FS:  00007fc9ae3e2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.716459][ T1224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.716624][ T1224] CR2: 00007fc9ae5e9430 CR3: 000000000d189002 CR4: 0000000000771ef0
[   67.716819][ T1224] PKRU: 55555554
[   67.716927][ T1224] Call Trace:
[   67.717024][ T1224]  <TASK>
[   67.717091][ T1224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.717222][ T1224]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.717353][ T1224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.717452][ T1224]  register_netdevice (net/core/dev.c:11488)
[   67.717586][ T1224]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.717749][ T1224]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.717892][ T1224]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   67.718024][ T1224]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   67.718154][ T1224]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   67.718286][ T1224]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   67.718417][ T1224]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   67.718554][ T1224]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   67.718686][ T1224]  ops_init (net/core/net_namespace.c:137)
[   67.718787][ T1224]  setup_net (net/core/net_namespace.c:446)
[   67.718899][ T1224]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.719030][ T1224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.719161][ T1224]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.719294][ T1224]  copy_net_ns (net/core/net_namespace.c:579)
[   67.719427][ T1224]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.719564][ T1224]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.719696][ T1224]  ksys_unshare (kernel/fork.c:3243)
[   67.719827][ T1224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.719968][ T1224]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.720098][ T1224]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.720230][ T1224]  ? __ia32_sys_open (fs/open.c:1374)
[   67.720363][ T1224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.720493][ T1224]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.720626][ T1224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.720756][ T1224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.720900][ T1224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.721031][ T1224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.721193][ T1224] RIP: 0033:0x7fc9ae6a4bcb
[   67.721328][ T1224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.721798][ T1224] RSP: 002b:00007fff61c7ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.722005][ T1224] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9ae6a4bcb
[   67.722199][ T1224] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.722393][ T1224] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.722591][ T1224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff61c7ce30
[   67.722785][ T1224] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff61c7d847
| [   67.727003][ T1224] ------------[ cut here ]------------
| [   67.727142][ T1224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1224
| [   67.727401][ T1224] Modules linked in:
| [   67.727768][ T1224] Tainted: [W]=WARN
[   67.727880][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.728045][ T1224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.728215][ T1224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.728684][ T1224] RSP: 0018:ffa00000038e78f8 EFLAGS: 00010286
[   67.728856][ T1224] RAX: 00000000ffffffa6 RBX: ff1100000a9a6040 RCX: 1ff400000071cee5
[   67.729058][ T1224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a60fc
[   67.729253][ T1224] RBP: ff1100000fd24000 R08: 1fe2200001534c21 R09: ff11000009652e80
[   67.729450][ T1224] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.729649][ T1224] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd24000
[   67.729851][ T1224] FS:  00007fc9ae3e2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.730086][ T1224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.730251][ T1224] CR2: 00007fc9ae5e9430 CR3: 000000000d189002 CR4: 0000000000771ef0
[   67.730449][ T1224] PKRU: 55555554
[   67.730551][ T1224] Call Trace:
[   67.730650][ T1224]  <TASK>
[   67.730719][ T1224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.730858][ T1224]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.730998][ T1224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.731099][ T1224]  register_netdevice (net/core/dev.c:11488)
[   67.731234][ T1224]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.731398][ T1224]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   67.731537][ T1224]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   67.731669][ T1224]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   67.731802][ T1224]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   67.731945][ T1224]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   67.732077][ T1224]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   67.732211][ T1224]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   67.732344][ T1224]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.732479][ T1224]  vti_init_net (net/ipv4/ip_vti.c:517)
[   67.732616][ T1224]  ops_init (net/core/net_namespace.c:137)
[   67.732718][ T1224]  setup_net (net/core/net_namespace.c:446)
[   67.732818][ T1224]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.732959][ T1224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.733089][ T1224]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.733223][ T1224]  copy_net_ns (net/core/net_namespace.c:579)
[   67.733356][ T1224]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.733492][ T1224]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.733628][ T1224]  ksys_unshare (kernel/fork.c:3243)
[   67.733761][ T1224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.733904][ T1224]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.734036][ T1224]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.734170][ T1224]  ? __ia32_sys_open (fs/open.c:1374)
[   67.734304][ T1224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.734435][ T1224]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.734571][ T1224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.734701][ T1224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.734837][ T1224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.734974][ T1224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.735137][ T1224] RIP: 0033:0x7fc9ae6a4bcb
[   67.735273][ T1224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.735747][ T1224] RSP: 002b:00007fff61c7ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.735952][ T1224] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9ae6a4bcb
[   67.736147][ T1224] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.736346][ T1224] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.736545][ T1224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff61c7ce30
[   67.736740][ T1224] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff61c7d847
| [   67.740817][ T1224] ------------[ cut here ]------------
| [   67.740965][ T1224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1224
| [   67.741221][ T1224] Modules linked in:
| [   67.741586][ T1224] Tainted: [W]=WARN
[   67.741684][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.741850][ T1224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.742026][ T1224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.742487][ T1224] RSP: 0018:ffa00000038e7a78 EFLAGS: 00010286
[   67.742653][ T1224] RAX: 00000000ffffffa6 RBX: ff11000008dc6900 RCX: 1ff400000071cf15
[   67.742853][ T1224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc69bc
[   67.743054][ T1224] RBP: ff11000009691000 R08: 1fe22000011b8d39 R09: ff11000009652e80
[   67.743250][ T1224] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.743445][ T1224] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009691000
[   67.743645][ T1224] FS:  00007fc9ae3e2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.743884][ T1224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.744047][ T1224] CR2: 00007fc9ae5e9430 CR3: 000000000d189002 CR4: 0000000000771ef0
[   67.744245][ T1224] PKRU: 55555554
[   67.744342][ T1224] Call Trace:
[   67.744440][ T1224]  <TASK>
[   67.744510][ T1224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.744642][ T1224]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.744771][ T1224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.744880][ T1224]  register_netdevice (net/core/dev.c:11488)
[   67.745013][ T1224]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.745176][ T1224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.745309][ T1224]  register_netdev (net/core/dev.c:11552)
[   67.745439][ T1224]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   67.745576][ T1224]  ops_init (net/core/net_namespace.c:137)
[   67.745675][ T1224]  setup_net (net/core/net_namespace.c:446)
[   67.745775][ T1224]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.745914][ T1224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.746048][ T1224]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.746181][ T1224]  copy_net_ns (net/core/net_namespace.c:579)
[   67.746314][ T1224]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.746449][ T1224]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.746583][ T1224]  ksys_unshare (kernel/fork.c:3243)
[   67.746714][ T1224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.746849][ T1224]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.746985][ T1224]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.747117][ T1224]  ? __ia32_sys_open (fs/open.c:1374)
[   67.747248][ T1224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.747379][ T1224]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.747513][ T1224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.747643][ T1224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.747773][ T1224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.747912][ T1224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.748074][ T1224] RIP: 0033:0x7fc9ae6a4bcb
[   67.748209][ T1224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.748677][ T1224] RSP: 002b:00007fff61c7ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.748882][ T1224] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9ae6a4bcb
[   67.749077][ T1224] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.749270][ T1224] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.749464][ T1224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff61c7ce30
[   67.749665][ T1224] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff61c7d847
| [   67.754812][ T1224] ------------[ cut here ]------------
| [   67.754963][ T1224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1224
| [   67.755220][ T1224] Modules linked in:
| [   67.755589][ T1224] Tainted: [W]=WARN
[   67.755688][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.755856][ T1224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.756034][ T1224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.756498][ T1224] RSP: 0018:ffa00000038e7a68 EFLAGS: 00010286
[   67.756665][ T1224] RAX: 00000000ffffffa6 RBX: ff1100000a8cf540 RCX: 1ff400000071cf13
[   67.756873][ T1224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf5fc
[   67.757070][ T1224] RBP: ff110000095e9000 R08: 1fe2200001519ec1 R09: ff11000009652e80
[   67.757265][ T1224] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   67.757459][ T1224] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000095e9000
[   67.757662][ T1224] FS:  00007fc9ae3e2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   67.757904][ T1224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.758068][ T1224] CR2: 00007fc9ae5e9430 CR3: 000000000d189002 CR4: 0000000000771ef0
[   67.758264][ T1224] PKRU: 55555554
[   67.758360][ T1224] Call Trace:
[   67.758458][ T1224]  <TASK>
[   67.758528][ T1224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.758662][ T1224]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.758793][ T1224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.758904][ T1224]  register_netdevice (net/core/dev.c:11488)
[   67.759036][ T1224]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.759202][ T1224]  register_netdev (net/core/dev.c:11552)
[   67.759332][ T1224]  sit_init_net (net/ipv6/sit.c:1860)
[   67.759465][ T1224]  ops_init (net/core/net_namespace.c:137)
[   67.759572][ T1224]  setup_net (net/core/net_namespace.c:446)
[   67.759670][ T1224]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.759800][ T1224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.759944][ T1224]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.760077][ T1224]  copy_net_ns (net/core/net_namespace.c:579)
[   67.760209][ T1224]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.760343][ T1224]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.760476][ T1224]  ksys_unshare (kernel/fork.c:3243)
[   67.760611][ T1224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.760741][ T1224]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.760882][ T1224]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.761016][ T1224]  ? __ia32_sys_open (fs/open.c:1374)
[   67.761149][ T1224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.761279][ T1224]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.761410][ T1224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.761542][ T1224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.761673][ T1224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.761805][ T1224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.762032][ T1224] RIP: 0033:0x7fc9ae6a4bcb
[   67.762170][ T1224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.762639][ T1224] RSP: 002b:00007fff61c7ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.762840][ T1224] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9ae6a4bcb
[   67.763093][ T1224] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.763289][ T1224] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.763485][ T1224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff61c7ce30
[   67.763682][ T1224] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff61c7d847
| [   67.769741][ T1224] ------------[ cut here ]------------
| [   67.769936][ T1224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1224
| [   67.770242][ T1224] Modules linked in:
| [   67.770714][ T1224] Tainted: [W]=WARN
[   67.770880][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.771094][ T1224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.771312][ T1224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.771827][ T1224] RSP: 0018:ffa00000038e7a78 EFLAGS: 00010286
[   67.772062][ T1224] RAX: 00000000ffffffa6 RBX: ff1100000ca8d700 RCX: 1ff400000071cf15
[   67.772303][ T1224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d7bc
[   67.772551][ T1224] RBP: ff1100001276c000 R08: 1fe2200001951af9 R09: ff11000009652e80
[   67.772792][ T1224] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   67.773060][ T1224] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001276c000
[   67.773305][ T1224] FS:  00007fc9ae3e2840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   67.773589][ T1224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.773801][ T1224] CR2: 000055dfdb5e2d5c CR3: 000000000d189005 CR4: 0000000000771ef0
[   67.774066][ T1224] PKRU: 55555554
[   67.774212][ T1224] Call Trace:
[   67.774358][ T1224]  <TASK>
[   67.774473][ T1224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.774659][ T1224]  ? notifier_call_chain (kernel/notifier.c:85)
[   67.774845][ T1224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.775009][ T1224]  register_netdevice (net/core/dev.c:11488)
[   67.775188][ T1224]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   67.775400][ T1224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.775590][ T1224]  register_netdev (net/core/dev.c:11552)
[   67.775772][ T1224]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   67.775987][ T1224]  ops_init (net/core/net_namespace.c:137)
[   67.776135][ T1224]  setup_net (net/core/net_namespace.c:446)
[   67.776283][ T1224]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   67.776460][ T1224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   67.776651][ T1224]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   67.776842][ T1224]  copy_net_ns (net/core/net_namespace.c:579)
[   67.777038][ T1224]  create_new_namespaces (kernel/nsproxy.c:132)
[   67.777221][ T1224]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   67.777401][ T1224]  ksys_unshare (kernel/fork.c:3243)
[   67.777588][ T1224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   67.777765][ T1224]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   67.777972][ T1224]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   67.778165][ T1224]  ? __ia32_sys_open (fs/open.c:1374)
[   67.778347][ T1224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   67.778527][ T1224]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   67.778706][ T1224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.778904][ T1224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.779085][ T1224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.779266][ T1224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.779479][ T1224] RIP: 0033:0x7fc9ae6a4bcb
[   67.779668][ T1224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   67.780197][ T1224] RSP: 002b:00007fff61c7ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   67.780444][ T1224] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9ae6a4bcb
[   67.780691][ T1224] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   67.780950][ T1224] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   67.781192][ T1224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff61c7ce30
[   67.781433][ T1224] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff61c7d847
| [   67.811565][ T1225] ------------[ cut here ]------------
| [   67.811711][ T1225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1225
| [   67.811988][ T1225] Modules linked in:
| [   67.812356][ T1225] Tainted: [W]=WARN
[   67.812457][ T1225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.812622][ T1225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.812791][ T1225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.813267][ T1225] RSP: 0018:ffa00000038e7020 EFLAGS: 00010286
[   67.813436][ T1225] RAX: 00000000ffffffa6 RBX: ff1100000d31ac80 RCX: 1ff400000071cdca
[   67.813636][ T1225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31ad3c
[   67.813831][ T1225] RBP: ff1100000edfc000 R08: 1fe2200001a635a9 R09: ff11000009650b58
[   67.814037][ T1225] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   67.814232][ T1225] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.814429][ T1225] FS:  00007fa3100c3840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   67.814662][ T1225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.814826][ T1225] CR2: 00000000025b7988 CR3: 00000000101dc004 CR4: 0000000000771ef0
[   67.815036][ T1225] PKRU: 55555554
[   67.815135][ T1225] Call Trace:
[   67.815232][ T1225]  <TASK>
[   67.815300][ T1225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.815432][ T1225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.815536][ T1225]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.815665][ T1225]  __dev_notify_flags (net/core/dev.c:9787)
[   67.815797][ T1225]  ? netif_change_name (net/core/dev.c:1495)
[   67.815940][ T1225]  ? __dev_change_flags (net/core/dev.c:9752)
[   67.816072][ T1225]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.816201][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.816333][ T1225]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.816466][ T1225]  netif_change_flags (net/core/dev.c:9820)
[   67.816601][ T1225]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   67.816732][ T1225]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.816877][ T1225]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.817009][ T1225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.817173][ T1225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.817304][ T1225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.817434][ T1225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.817567][ T1225]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.817698][ T1225]  ? __kernel_text_address (kernel/extable.c:79)
[   67.817831][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.817980][ T1225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.818109][ T1225]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.818240][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.818371][ T1225]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.818501][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.818635][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.818767][ T1225]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.818986][ T1225]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.819118][ T1225]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.819249][ T1225]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.819382][ T1225]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.819518][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.819651][ T1225]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.819783][ T1225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.819985][ T1225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.820116][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.820246][ T1225]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.820375][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.820512][ T1225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.820643][ T1225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.820773][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.820997][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.821218][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.821352][ T1225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.821484][ T1225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.821617][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.821747][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.821953][ T1225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.822083][ T1225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.822217][ T1225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.822349][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.822479][ T1225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.822616][ T1225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.822746][ T1225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.822935][ T1225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.823068][ T1225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.823200][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.823335][ T1225]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.823467][ T1225]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.823604][ T1225]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.823737][ T1225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.823927][ T1225]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.824058][ T1225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.824219][ T1225]  ? move_addr_to_kernel (net/socket.c:258)
[   67.824353][ T1225]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.824484][ T1225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.824618][ T1225]  ___sys_sendmsg (net/socket.c:2752)
[   67.824748][ T1225]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.824968][ T1225]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.825112][ T1225]  __sys_sendmsg (net/socket.c:2784)
[   67.825245][ T1225]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.825377][ T1225]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.825546][ T1225]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.825678][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.825811][ T1225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.825960][ T1225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.826090][ T1225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.826220][ T1225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.826382][ T1225] RIP: 0033:0x7fa3102fd08e
[   67.826523][ T1225] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.827001][ T1225] RSP: 002b:00007fff92669430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.827197][ T1225] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa3102fd08e
[   67.827391][ T1225] RDX: 0000000000000000 RSI: 00007fff926694e0 RDI: 0000000000000005
[   67.827585][ T1225] RBP: 00007fff92669440 R08: 0000000000000000 R09: 0000000000000000
[   67.827777][ T1225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   67.827979][ T1225] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff92669bb0
| [   68.196250][ T1240] ------------[ cut here ]------------
| [   68.196417][ T1240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1240
| [   68.196695][ T1240] Modules linked in:
| [   68.197095][ T1240] Tainted: [W]=WARN
[   68.197200][ T1240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.197371][ T1240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.197554][ T1240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.198049][ T1240] RSP: 0018:ffa00000039c6e30 EFLAGS: 00010286
[   68.198220][ T1240] RAX: 00000000ffffffa6 RBX: ff11000010abba80 RCX: 1ff4000000738d8c
[   68.198423][ T1240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abbb3c
[   68.198646][ T1240] RBP: ff11000012419000 R08: 1fe2200002157769 R09: ff11000010888b80
[   68.198850][ T1240] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.199059][ T1240] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2fa700
[   68.199262][ T1240] FS:  00007f2aa69b0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   68.199502][ T1240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.199677][ T1240] CR2: 000000000042ebe0 CR3: 000000000de4e004 CR4: 0000000000771ef0
[   68.199891][ T1240] PKRU: 55555554
[   68.199996][ T1240] Call Trace:
[   68.200098][ T1240]  <TASK>
[   68.200168][ T1240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.200306][ T1240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.200409][ T1240]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   68.200583][ T1240]  __dev_notify_flags (net/core/dev.c:9787)
[   68.200721][ T1240]  ? netif_change_name (net/core/dev.c:1495)
[   68.200863][ T1240]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.201004][ T1240]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.201138][ T1240]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.201274][ T1240]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   68.201411][ T1240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.201553][ T1240]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.201690][ T1240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   68.201828][ T1240]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   68.201976][ T1240]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   68.202113][ T1240]  veth_newlink (drivers/net/veth.c:1871)
[   68.202250][ T1240]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   68.202386][ T1240]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.202522][ T1240]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.202659][ T1240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.202810][ T1240]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   68.202954][ T1240]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   68.203090][ T1240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   68.203226][ T1240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   68.203364][ T1240]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   68.203502][ T1240]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   68.203642][ T1240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   68.203778][ T1240]  ? __dev_get_by_name (net/core/dev.c:883)
[   68.203923][ T1240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   68.204064][ T1240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   68.204202][ T1240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.204338][ T1240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.204473][ T1240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.204612][ T1240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.204748][ T1240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.204890][ T1240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.205030][ T1240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.205166][ T1240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.205302][ T1240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.205438][ T1240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.205577][ T1240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.205712][ T1240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.205853][ T1240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.205994][ T1240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.206129][ T1240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.206263][ T1240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.206397][ T1240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.206537][ T1240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.206669][ T1240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.206805][ T1240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.206949][ T1240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.207084][ T1240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.207219][ T1240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.207355][ T1240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.207493][ T1240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.207634][ T1240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.207769][ T1240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.207914][ T1240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.208080][ T1240]  ? move_addr_to_kernel (net/socket.c:258)
[   68.208219][ T1240]  ___sys_sendmsg (net/socket.c:2752)
[   68.208353][ T1240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.208487][ T1240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.208632][ T1240]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   68.208768][ T1240]  __sys_sendmsg (net/socket.c:2784)
[   68.208913][ T1240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.209051][ T1240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.209187][ T1240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.209323][ T1240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.209458][ T1240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.209598][ T1240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.209732][ T1240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.209910][ T1240] RIP: 0033:0x7f2aa6bea08e
[   68.210053][ T1240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.210538][ T1240] RSP: 002b:00007ffc072b1240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.210743][ T1240] RAX: ffffffffffffffda RBX: 00007ffc072b19e8 RCX: 00007f2aa6bea08e
[   68.210953][ T1240] RDX: 0000000000000000 RSI: 00007ffc072b12f0 RDI: 0000000000000005
[   68.211154][ T1240] RBP: 00007ffc072b1250 R08: 0000000000000000 R09: 0000000000000000
[   68.211355][ T1240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.211560][ T1240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc072b19c0
| [   68.219165][ T1240] ------------[ cut here ]------------
| [   68.219308][ T1240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1240
| [   68.219576][ T1240] Modules linked in:
| [   68.219960][ T1240] Tainted: [W]=WARN
[   68.220061][ T1240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.220228][ T1240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.220401][ T1240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.220887][ T1240] RSP: 0018:ffa00000039c71b0 EFLAGS: 00010286
[   68.221056][ T1240] RAX: 00000000ffffffa6 RBX: ff1100000f1b5c40 RCX: 1ff4000000738dfc
[   68.221255][ T1240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5cfc
[   68.221453][ T1240] RBP: ff110000056fc000 R08: 1fe2200001e36ba1 R09: ff11000010888b80
[   68.221652][ T1240] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.221857][ T1240] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   68.222065][ T1240] FS:  00007f2aa69b0840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   68.222301][ T1240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.222467][ T1240] CR2: 000000000042ebe0 CR3: 000000000de4e004 CR4: 0000000000771ef0
[   68.222671][ T1240] PKRU: 55555554
[   68.222770][ T1240] Call Trace:
[   68.222879][ T1240]  <TASK>
[   68.222949][ T1240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.223085][ T1240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.223186][ T1240]  __dev_notify_flags (net/core/dev.c:9787)
[   68.223321][ T1240]  ? netif_change_name (net/core/dev.c:1495)
[   68.223455][ T1240]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   68.223592][ T1240]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   68.223728][ T1240]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   68.223875][ T1240]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   68.224010][ T1240]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   68.224145][ T1240]  ? __dev_get_by_name (net/core/dev.c:883)
[   68.224277][ T1240]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   68.224417][ T1240]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   68.224556][ T1240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.224693][ T1240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.224825][ T1240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.224972][ T1240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.225105][ T1240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.225237][ T1240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.225375][ T1240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.225513][ T1240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.225647][ T1240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.225779][ T1240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.226435][ T1240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.226574][ T1240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.226709][ T1240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.226847][ T1240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.227038][ T1240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.227171][ T1240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.227304][ T1240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.227443][ T1240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.227580][ T1240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.227713][ T1240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.227853][ T1240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.228047][ T1240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.228182][ T1240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.228317][ T1240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.228452][ T1240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.228643][ T1240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.228778][ T1240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.228972][ T1240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.229142][ T1240]  ? move_addr_to_kernel (net/socket.c:258)
[   68.229284][ T1240]  ___sys_sendmsg (net/socket.c:2752)
[   68.229418][ T1240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.229553][ T1240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.229698][ T1240]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   68.229834][ T1240]  __sys_sendmsg (net/socket.c:2784)
[   68.230029][ T1240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.230169][ T1240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.230303][ T1240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.230436][ T1240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.230572][ T1240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.230704][ T1240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.230844][ T1240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.231063][ T1240] RIP: 0033:0x7f2aa6bea08e
[   68.231201][ T1240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.231678][ T1240] RSP: 002b:00007ffc072b1240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.231942][ T1240] RAX: ffffffffffffffda RBX: 00007ffc072b19e8 RCX: 00007f2aa6bea08e
[   68.232139][ T1240] RDX: 0000000000000000 RSI: 00007ffc072b12f0 RDI: 0000000000000005
[   68.232339][ T1240] RBP: 00007ffc072b1250 R08: 0000000000000000 R09: 0000000000000000
[   68.232540][ T1240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.232741][ T1240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc072b19c0
| [   68.277079][ T1241] ------------[ cut here ]------------
| [   68.277227][ T1241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1241
| [   68.277478][ T1241] Modules linked in:
| [   68.277843][ T1241] Tainted: [W]=WARN
[   68.277947][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.278107][ T1241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.278274][ T1241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.278733][ T1241] RSP: 0018:ffa00000039d6ff8 EFLAGS: 00010286
[   68.278907][ T1241] RAX: 00000000ffffffa6 RBX: ff1100000d52fc40 RCX: 1ff400000073adc5
[   68.279099][ T1241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52fcfc
[   68.279287][ T1241] RBP: ff11000012419000 R08: 1fe2200001aa5fa1 R09: ff11000009c98b58
[   68.279476][ T1241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   68.279667][ T1241] R13: 0000000000000000 R14: ffa00000039d7140 R15: ff1100000b54d8d0
[   68.279864][ T1241] FS:  00007f804fbf9840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   68.280095][ T1241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.280254][ T1241] CR2: 000000003993d988 CR3: 000000000f037001 CR4: 0000000000771ef0
[   68.280443][ T1241] PKRU: 55555554
[   68.280542][ T1241] Call Trace:
[   68.280637][ T1241]  <TASK>
[   68.280703][ T1241]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   68.280833][ T1241]  __dev_change_net_namespace (net/core/dev.c:12635)
[   68.281004][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.281132][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.281260][ T1241]  ? default_device_exit_batch (net/core/dev.c:13091)
[   68.281419][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.281548][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.281675][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.281801][ T1241]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.281943][ T1241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.282074][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   68.282206][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.282334][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.282493][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.282624][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.282752][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.282888][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.283020][ T1241]  ? __kernel_text_address (kernel/extable.c:79)
[   68.283148][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.283276][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.283402][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.283532][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.283659][ T1241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.283785][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.283925][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.284052][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.284181][ T1241]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.284310][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.284438][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.284570][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.284698][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.284830][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.285042][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.285173][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.285297][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.285424][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.285551][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.285678][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.285808][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.285944][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.286071][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.286199][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.286326][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.286452][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.286582][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.286709][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.286841][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.286981][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.287107][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.287236][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.287363][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.287490][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.287625][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.287751][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.287890][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.288020][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.288148][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.288276][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.288403][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.288535][ T1241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.288663][ T1241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.288789][ T1241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.288937][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.289096][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   68.289223][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.289351][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.289479][ T1241]  ___sys_sendmsg (net/socket.c:2752)
[   68.289609][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.289767][ T1241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.289920][ T1241]  __sys_sendmsg (net/socket.c:2784)
[   68.290049][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.290175][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.290335][ T1241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.290463][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.290595][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.290722][ T1241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.290856][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.290991][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.291149][ T1241] RIP: 0033:0x7f804fe3308e
[   68.291282][ T1241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.291738][ T1241] RSP: 002b:00007ffed98658e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.291943][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f804fe3308e
[   68.292134][ T1241] RDX: 0000000000000000 RSI: 00007ffed9865990 RDI: 0000000000000005
[   68.292324][ T1241] RBP: 00007ffed98658f0 R08: 0000000000000000 R09: 0000000000000000
[   68.292515][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.292705][ T1241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9866060
| [   68.295280][ T1241] ------------[ cut here ]------------
| [   68.295412][ T1241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1241
| [   68.295666][ T1241] Modules linked in:
| [   68.296037][ T1241] Tainted: [W]=WARN
[   68.296133][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.296296][ T1241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.296463][ T1241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.296938][ T1241] RSP: 0018:ffa00000039d6fc0 EFLAGS: 00010286
[   68.297102][ T1241] RAX: 00000000ffffffa6 RBX: ff1100000d52ee40 RCX: 1ff400000073adbe
[   68.297292][ T1241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52eefc
[   68.297484][ T1241] RBP: ff11000012419000 R08: 1fe2200001aa5de1 R09: ff11000009c98b58
[   68.297677][ T1241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   68.297876][ T1241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b54d8d0
[   68.298070][ T1241] FS:  00007f804fbf9840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   68.298293][ T1241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.298455][ T1241] CR2: 000000003993d988 CR3: 000000000f037001 CR4: 0000000000771ef0
[   68.298649][ T1241] PKRU: 55555554
[   68.298745][ T1241] Call Trace:
[   68.298849][ T1241]  <TASK>
[   68.298922][ T1241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.299052][ T1241]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.299182][ T1241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.299281][ T1241]  __dev_change_net_namespace (net/core/dev.c:12695)
[   68.299443][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.299575][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.299706][ T1241]  ? default_device_exit_batch (net/core/dev.c:13091)
[   68.299875][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.300003][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.300130][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.300258][ T1241]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.300388][ T1241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.300522][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   68.300654][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.300783][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.300953][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.301082][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.301212][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.301339][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.301469][ T1241]  ? __kernel_text_address (kernel/extable.c:79)
[   68.301605][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.301736][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.301874][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.302005][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.302134][ T1241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.302261][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.302389][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.302519][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.302649][ T1241]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.302777][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.302915][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.303044][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.303173][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.303304][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.303435][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.303570][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.303699][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.303828][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.303970][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.304098][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.304317][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.304444][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.304583][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.304715][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.304941][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.305070][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.305200][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.305329][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.305546][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.305677][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.305807][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.306032][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.306162][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.306291][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.306424][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.306553][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.306768][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.306915][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.307045][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.307175][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.307390][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.307521][ T1241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.307651][ T1241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.307780][ T1241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.308003][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.308163][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   68.308292][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.308505][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.308638][ T1241]  ___sys_sendmsg (net/socket.c:2752)
[   68.308766][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.308937][ T1241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.309162][ T1241]  __sys_sendmsg (net/socket.c:2784)
[   68.309291][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.309418][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.309582][ T1241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.309796][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.309937][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.310067][ T1241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.310196][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.310408][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.310571][ T1241] RIP: 0033:0x7f804fe3308e
[   68.310703][ T1241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.311263][ T1241] RSP: 002b:00007ffed98658e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.311457][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f804fe3308e
[   68.311737][ T1241] RDX: 0000000000000000 RSI: 00007ffed9865990 RDI: 0000000000000005
[   68.311939][ T1241] RBP: 00007ffed98658f0 R08: 0000000000000000 R09: 0000000000000000
[   68.312217][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.312408][ T1241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9866060
| [   68.314486][ T1241] ------------[ cut here ]------------
| [   68.314614][ T1241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1241
| [   68.314879][ T1241] Modules linked in:
| [   68.315322][ T1241] Tainted: [W]=WARN
[   68.315418][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.315669][ T1241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.315844][ T1241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.316565][ T1241] RSP: 0018:ffa00000039d7038 EFLAGS: 00010286
[   68.316725][ T1241] RAX: 00000000ffffffa6 RBX: ff1100000d52f380 RCX: 1ff400000073adcd
[   68.316979][ T1241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f43c
[   68.317168][ T1241] RBP: ff11000012419000 R08: 1fe2200001aa5e89 R09: ff11000009c98b58
[   68.317357][ T1241] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   68.317549][ T1241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   68.317742][ T1241] FS:  00007f804fbf9840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   68.318026][ T1241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.318187][ T1241] CR2: 000000003993d988 CR3: 000000000f037001 CR4: 0000000000771ef0
[   68.318379][ T1241] PKRU: 55555554
[   68.318474][ T1241] Call Trace:
[   68.318625][ T1241]  <TASK>
[   68.318691][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.318821][ T1241]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   68.318967][ T1241]  notifier_call_chain (kernel/notifier.c:85)
[   68.319183][ T1241]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   68.319314][ T1241]  ? default_device_exit_batch (net/core/dev.c:13091)
[   68.319476][ T1241]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   68.319640][ T1241]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.319858][ T1241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.319996][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   68.320127][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.320257][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.320500][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.320630][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.320758][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.320897][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.321026][ T1241]  ? __kernel_text_address (kernel/extable.c:79)
[   68.321154][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.321284][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.321411][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.321628][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.321756][ T1241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.321895][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.322026][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.322239][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.322367][ T1241]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.322495][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.322628][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.322849][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.322983][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.323116][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.323250][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.323467][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.323599][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.323727][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.323860][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.323995][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.324127][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.324255][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.324384][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.324602][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.324732][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.324871][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.325000][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.325211][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.325339][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.325472][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.325603][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.325818][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.325961][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.326090][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.326222][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.326433][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.326567][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.326697][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.326827][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.327054][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.327185][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.327314][ T1241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.327444][ T1241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.327662][ T1241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.327792][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.327964][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   68.328177][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.328307][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.328439][ T1241]  ___sys_sendmsg (net/socket.c:2752)
[   68.328570][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.328815][ T1241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.328965][ T1241]  __sys_sendmsg (net/socket.c:2784)
[   68.329093][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.329220][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.329467][ T1241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.329598][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.329728][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.329861][ T1241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.329997][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.330126][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.330287][ T1241] RIP: 0033:0x7f804fe3308e
[   68.330421][ T1241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.330982][ T1241] RSP: 002b:00007ffed98658e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.331262][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f804fe3308e
[   68.331469][ T1241] RDX: 0000000000000000 RSI: 00007ffed9865990 RDI: 0000000000000005
[   68.331663][ T1241] RBP: 00007ffed98658f0 R08: 0000000000000000 R09: 0000000000000000
[   68.331947][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.332142][ T1241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9866060
| [   68.334563][ T1241] ------------[ cut here ]------------
| [   68.334779][ T1241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1241
| [   68.335554][ T1241] Modules linked in:
| [   68.335978][ T1241] Tainted: [W]=WARN
[   68.336077][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.336240][ T1241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.336407][ T1241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.336935][ T1241] RSP: 0018:ffa00000039d7020 EFLAGS: 00010286
[   68.337099][ T1241] RAX: 00000000ffffffa6 RBX: ff1100000e4411c0 RCX: 1ff400000073adca
[   68.337293][ T1241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44127c
[   68.337486][ T1241] RBP: ff11000012419000 R08: 1fe2200001c88251 R09: ff11000009c98b58
[   68.337680][ T1241] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   68.337934][ T1241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   68.338130][ T1241] FS:  00007f804fbf9840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   68.338355][ T1241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.338519][ T1241] CR2: 000000003993d988 CR3: 000000000f037001 CR4: 0000000000771ef0
[   68.338712][ T1241] PKRU: 55555554
[   68.338809][ T1241] Call Trace:
[   68.338968][ T1241]  <TASK>
[   68.339036][ T1241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.339167][ T1241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.339266][ T1241]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.339396][ T1241]  __dev_notify_flags (net/core/dev.c:9787)
[   68.339531][ T1241]  ? netif_change_name (net/core/dev.c:1495)
[   68.339661][ T1241]  ? __dev_change_flags (net/core/dev.c:9752)
[   68.339792][ T1241]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   68.339987][ T1241]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   68.340149][ T1241]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.340280][ T1241]  netif_change_flags (net/core/dev.c:9820)
[   68.340412][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   68.340548][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.340679][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.340845][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.341119][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.341249][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.341378][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.341512][ T1241]  ? __kernel_text_address (kernel/extable.c:79)
[   68.341642][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.341774][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.341967][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.342097][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.342227][ T1241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.342442][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.342574][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.342705][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.342841][ T1241]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.343115][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.343247][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.343378][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.343508][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.343641][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.343774][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.343968][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.344096][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.344225][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.344443][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.344576][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.344708][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.344840][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.345112][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.345243][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.345375][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.345508][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.345639][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.345769][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.345965][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.346096][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.346224][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.346439][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.346572][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.346703][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.346839][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.347111][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.347243][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.347372][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.347502][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.347636][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.347767][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.347960][ T1241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.348090][ T1241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.348219][ T1241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.348434][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.348599][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   68.348729][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.348923][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.349054][ T1241]  ___sys_sendmsg (net/socket.c:2752)
[   68.349183][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.349428][ T1241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.349574][ T1241]  __sys_sendmsg (net/socket.c:2784)
[   68.349703][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.349832][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.350144][ T1241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.350276][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.350407][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.350541][ T1241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.350670][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.350800][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.351113][ T1241] RIP: 0033:0x7f804fe3308e
[   68.351248][ T1241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.351712][ T1241] RSP: 002b:00007ffed98658e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.351968][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f804fe3308e
[   68.352160][ T1241] RDX: 0000000000000000 RSI: 00007ffed9865990 RDI: 0000000000000005
[   68.352441][ T1241] RBP: 00007ffed98658f0 R08: 0000000000000000 R09: 0000000000000000
[   68.352638][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.352831][ T1241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9866060
| [   68.388642][ T1242] ------------[ cut here ]------------
| [   68.388792][ T1242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1242
| [   68.389576][ T1242] Modules linked in:
| [   68.389969][ T1242] Tainted: [W]=WARN
[   68.390071][ T1242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.390240][ T1242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.390416][ T1242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.390906][ T1242] RSP: 0018:ffa00000039e6e30 EFLAGS: 00010286
[   68.391078][ T1242] RAX: 00000000ffffffa6 RBX: ff1100000d636ac0 RCX: 1ff400000073cd8c
[   68.391281][ T1242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d636b7c
[   68.391483][ T1242] RBP: ff1100000fe11000 R08: 1fe2200001ac6d71 R09: ff11000010315180
[   68.391685][ T1242] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.391898][ T1242] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2f8b00
[   68.392103][ T1242] FS:  00007f2975c40840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   68.392340][ T1242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.392514][ T1242] CR2: 000000000042ebe0 CR3: 000000000273d001 CR4: 0000000000771ef0
[   68.392720][ T1242] PKRU: 55555554
[   68.392823][ T1242] Call Trace:
[   68.392937][ T1242]  <TASK>
[   68.393007][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.393141][ T1242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.393276][ T1242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.393378][ T1242]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   68.393516][ T1242]  __dev_notify_flags (net/core/dev.c:9787)
[   68.393650][ T1242]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   68.393786][ T1242]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   68.393930][ T1242]  ? netif_change_name (net/core/dev.c:1495)
[   68.394063][ T1242]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.394196][ T1242]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.394328][ T1242]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.394462][ T1242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.394600][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.394735][ T1242]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.394879][ T1242]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   68.395014][ T1242]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   68.395149][ T1242]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   68.395285][ T1242]  veth_newlink (drivers/net/veth.c:1871)
[   68.395422][ T1242]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   68.395556][ T1242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.395693][ T1242]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.395828][ T1242]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.395989][ T1242]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   68.396124][ T1242]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   68.396260][ T1242]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   68.396394][ T1242]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   68.396534][ T1242]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   68.396672][ T1242]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   68.396808][ T1242]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   68.396954][ T1242]  ? __dev_get_by_name (net/core/dev.c:883)
[   68.397091][ T1242]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   68.397232][ T1242]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   68.397371][ T1242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.397511][ T1242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.397644][ T1242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.397780][ T1242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.397922][ T1242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.398056][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.398194][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.398331][ T1242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.398466][ T1242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.398604][ T1242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.398740][ T1242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.398884][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.399019][ T1242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.399154][ T1242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.399290][ T1242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.399424][ T1242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.399562][ T1242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.399699][ T1242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.399840][ T1242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.399981][ T1242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.400116][ T1242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.400253][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.400390][ T1242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.400529][ T1242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.400665][ T1242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.400800][ T1242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.400947][ T1242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.401081][ T1242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.401246][ T1242]  ? move_addr_to_kernel (net/socket.c:258)
[   68.401385][ T1242]  ___sys_sendmsg (net/socket.c:2752)
[   68.401520][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.401654][ T1242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.401798][ T1242]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   68.401946][ T1242]  __sys_sendmsg (net/socket.c:2784)
[   68.402080][ T1242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.402217][ T1242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.402352][ T1242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.402487][ T1242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.402622][ T1242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.402756][ T1242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.402901][ T1242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.403068][ T1242] RIP: 0033:0x7f2975e7a08e
[   68.403208][ T1242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.403687][ T1242] RSP: 002b:00007ffe068cd070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.403902][ T1242] RAX: ffffffffffffffda RBX: 00007ffe068cd818 RCX: 00007f2975e7a08e
[   68.404102][ T1242] RDX: 0000000000000000 RSI: 00007ffe068cd120 RDI: 0000000000000005
[   68.404302][ T1242] RBP: 00007ffe068cd080 R08: 0000000000000000 R09: 0000000000000000
[   68.404502][ T1242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.404706][ T1242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe068cd7f0
| [   68.417070][ T1242] ------------[ cut here ]------------
| [   68.417211][ T1242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1242
| [   68.417473][ T1242] Modules linked in:
| [   68.417850][ T1242] Tainted: [W]=WARN
[   68.418477][ T1242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.418647][ T1242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.418890][ T1242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.419362][ T1242] RSP: 0018:ffa00000039e71b0 EFLAGS: 00010286
[   68.419532][ T1242] RAX: 00000000ffffffa6 RBX: ff11000009a003c0 RCX: 1ff400000073cdfc
[   68.419729][ T1242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0047c
[   68.419991][ T1242] RBP: ff11000009821000 R08: 1fe2200001340091 R09: ff11000010315180
[   68.420188][ T1242] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.420386][ T1242] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   68.420586][ T1242] FS:  00007f2975c40840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   68.420818][ T1242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.421050][ T1242] CR2: 000000000042ebe0 CR3: 000000000273d001 CR4: 0000000000771ef0
[   68.421248][ T1242] PKRU: 55555554
[   68.421347][ T1242] Call Trace:
[   68.421445][ T1242]  <TASK>
[   68.421517][ T1242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.421652][ T1242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.421753][ T1242]  __dev_notify_flags (net/core/dev.c:9787)
[   68.421950][ T1242]  ? netif_change_name (net/core/dev.c:1495)
[   68.422085][ T1242]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   68.422218][ T1242]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   68.422353][ T1242]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   68.422487][ T1242]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   68.422623][ T1242]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   68.422756][ T1242]  ? __dev_get_by_name (net/core/dev.c:883)
[   68.422952][ T1242]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   68.423091][ T1242]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   68.423229][ T1242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.423362][ T1242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.423495][ T1242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.423632][ T1242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.423764][ T1242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.423958][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.424095][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.424228][ T1242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.424361][ T1242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.424493][ T1242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.424627][ T1242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.424759][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.424954][ T1242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.425086][ T1242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.425219][ T1242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.425351][ T1242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.425484][ T1242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.425621][ T1242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.425751][ T1242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.425949][ T1242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.426083][ T1242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.426217][ T1242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.426352][ T1242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.426486][ T1242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.426623][ T1242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.426757][ T1242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.426954][ T1242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.427087][ T1242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.427251][ T1242]  ? move_addr_to_kernel (net/socket.c:258)
[   68.427389][ T1242]  ___sys_sendmsg (net/socket.c:2752)
[   68.427521][ T1242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.427654][ T1242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.427796][ T1242]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   68.427993][ T1242]  __sys_sendmsg (net/socket.c:2784)
[   68.428126][ T1242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.428265][ T1242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.428399][ T1242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.428536][ T1242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.428668][ T1242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.428799][ T1242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.428996][ T1242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.429161][ T1242] RIP: 0033:0x7f2975e7a08e
[   68.429300][ T1242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.429777][ T1242] RSP: 002b:00007ffe068cd070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.430036][ T1242] RAX: ffffffffffffffda RBX: 00007ffe068cd818 RCX: 00007f2975e7a08e
[   68.430235][ T1242] RDX: 0000000000000000 RSI: 00007ffe068cd120 RDI: 0000000000000005
[   68.430434][ T1242] RBP: 00007ffe068cd080 R08: 0000000000000000 R09: 0000000000000000
[   68.430634][ T1242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.430833][ T1242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe068cd7f0
| [   68.472176][ T1243] ------------[ cut here ]------------
| [   68.472318][ T1243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1243
| [   68.472578][ T1243] Modules linked in:
| [   68.472946][ T1243] Tainted: [W]=WARN
[   68.473043][ T1243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.473203][ T1243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.473368][ T1243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.473821][ T1243] RSP: 0018:ffa00000039f6ff8 EFLAGS: 00010286
[   68.473993][ T1243] RAX: 00000000ffffffa6 RBX: ff1100000f1b71c0 RCX: 1ff400000073edc5
[   68.474185][ T1243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b727c
[   68.474372][ T1243] RBP: ff1100000fe11000 R08: 1fe2200001e36e51 R09: ff1100000fc32e58
[   68.474564][ T1243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   68.474752][ T1243] R13: 0000000000000000 R14: ffa00000039f7140 R15: ff1100000dff5550
[   68.474948][ T1243] FS:  00007f5ff4a19840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   68.475168][ T1243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.475327][ T1243] CR2: 000000002eb61988 CR3: 000000000f037003 CR4: 0000000000771ef0
[   68.475519][ T1243] PKRU: 55555554
[   68.475613][ T1243] Call Trace:
[   68.475707][ T1243]  <TASK>
[   68.475773][ T1243]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   68.475914][ T1243]  __dev_change_net_namespace (net/core/dev.c:12635)
[   68.476073][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.476198][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.476325][ T1243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   68.476481][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.476609][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.476737][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.476874][ T1243]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.477001][ T1243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.477129][ T1243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   68.477258][ T1243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.477385][ T1243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.477545][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.477670][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.477794][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.477934][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.478060][ T1243]  ? __kernel_text_address (kernel/extable.c:79)
[   68.478185][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.478313][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.478439][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.478571][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.478698][ T1243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.478823][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.478963][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.479090][ T1243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.479218][ T1243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.479347][ T1243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.479477][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.479611][ T1243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.479737][ T1243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.479932][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.480063][ T1243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.480193][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.480320][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.480446][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.480576][ T1243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.480701][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.480830][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.480975][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.481100][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.481227][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.481355][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.481484][ T1243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.481613][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.481739][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.481879][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.482014][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.482139][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.482269][ T1243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.482397][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.482528][ T1243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.482659][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.482787][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.482928][ T1243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.483058][ T1243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.483187][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.483316][ T1243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.483443][ T1243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.483576][ T1243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.483704][ T1243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.483831][ T1243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.483970][ T1243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.484128][ T1243]  ? move_addr_to_kernel (net/socket.c:258)
[   68.484257][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.484386][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.484517][ T1243]  ___sys_sendmsg (net/socket.c:2752)
[   68.484647][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.484806][ T1243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.484955][ T1243]  __sys_sendmsg (net/socket.c:2784)
[   68.485083][ T1243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.485211][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.485373][ T1243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.485501][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.485633][ T1243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.485761][ T1243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.485902][ T1243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.486029][ T1243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.486185][ T1243] RIP: 0033:0x7f5ff4c5308e
[   68.486318][ T1243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.486775][ T1243] RSP: 002b:00007ffcf1ed47d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.486979][ T1243] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5ff4c5308e
[   68.487167][ T1243] RDX: 0000000000000000 RSI: 00007ffcf1ed4880 RDI: 0000000000000005
[   68.487357][ T1243] RBP: 00007ffcf1ed47e0 R08: 0000000000000000 R09: 0000000000000000
[   68.487549][ T1243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.487737][ T1243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf1ed4f50
| [   68.496519][ T1243] ------------[ cut here ]------------
| [   68.496657][ T1243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1243
| [   68.496917][ T1243] Modules linked in:
| [   68.497272][ T1243] Tainted: [W]=WARN
[   68.497368][ T1243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.497530][ T1243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.497698][ T1243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.498166][ T1243] RSP: 0018:ffa00000039f6fc0 EFLAGS: 00010286
[   68.498325][ T1243] RAX: 00000000ffffffa6 RBX: ff1100000d637000 RCX: 1ff400000073edbe
[   68.498519][ T1243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6370bc
[   68.498710][ T1243] RBP: ff1100000fe11000 R08: 1fe2200001ac6e19 R09: ff1100000fc32e58
[   68.498912][ T1243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   68.499104][ T1243] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dff5550
[   68.499298][ T1243] FS:  00007f5ff4a19840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   68.499522][ T1243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.499683][ T1243] CR2: 000000002eb61988 CR3: 000000000f037003 CR4: 0000000000771ef0
[   68.499882][ T1243] PKRU: 55555554
[   68.499978][ T1243] Call Trace:
[   68.500074][ T1243]  <TASK>
[   68.500143][ T1243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.500272][ T1243]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.500401][ T1243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.500499][ T1243]  __dev_change_net_namespace (net/core/dev.c:12695)
[   68.500663][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.500791][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.500933][ T1243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   68.501092][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.501220][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.501349][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.501478][ T1243]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.501611][ T1243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.501741][ T1243]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   68.501885][ T1243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.502016][ T1243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.502177][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.502304][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.502431][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.502563][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.502690][ T1243]  ? __kernel_text_address (kernel/extable.c:79)
[   68.502818][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.502958][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.503084][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.503214][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.503342][ T1243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.503470][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.503602][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.503730][ T1243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.503865][ T1243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.503999][ T1243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.504127][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.504257][ T1243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.504384][ T1243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.504517][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.504648][ T1243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.504779][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.504913][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.505042][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.505170][ T1243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.505298][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.505428][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.505559][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.505688][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.505816][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.505960][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.506088][ T1243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.506216][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.506343][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.506470][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.506603][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.506730][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.506865][ T1243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.507001][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.507130][ T1243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.507261][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.507389][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.507523][ T1243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.507652][ T1243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.507781][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.507922][ T1243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.508051][ T1243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.508180][ T1243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.508309][ T1243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.508437][ T1243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.508570][ T1243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.508728][ T1243]  ? move_addr_to_kernel (net/socket.c:258)
[   68.508863][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.508998][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.509128][ T1243]  ___sys_sendmsg (net/socket.c:2752)
[   68.509255][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.509417][ T1243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.509561][ T1243]  __sys_sendmsg (net/socket.c:2784)
[   68.509689][ T1243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.509815][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.509988][ T1243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.510116][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.510245][ T1243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.510375][ T1243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.510502][ T1243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.510633][ T1243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.510790][ T1243] RIP: 0033:0x7f5ff4c5308e
[   68.510936][ T1243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.511393][ T1243] RSP: 002b:00007ffcf1ed47d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.511591][ T1243] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5ff4c5308e
[   68.511779][ T1243] RDX: 0000000000000000 RSI: 00007ffcf1ed4880 RDI: 0000000000000005
[   68.511977][ T1243] RBP: 00007ffcf1ed47e0 R08: 0000000000000000 R09: 0000000000000000
[   68.512168][ T1243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.512358][ T1243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf1ed4f50
| [   68.514196][ T1243] ------------[ cut here ]------------
| [   68.514321][ T1243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1243
| [   68.514572][ T1243] Modules linked in:
| [   68.515442][ T1243] Tainted: [W]=WARN
[   68.515543][ T1243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.515700][ T1243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.515930][ T1243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.516440][ T1243] RSP: 0018:ffa00000039f7038 EFLAGS: 00010286
[   68.516605][ T1243] RAX: 00000000ffffffa6 RBX: ff1100000d636580 RCX: 1ff400000073edcd
[   68.516794][ T1243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63663c
[   68.517047][ T1243] RBP: ff1100000fe11000 R08: 1fe2200001ac6cc9 R09: ff1100000fc32e58
[   68.517236][ T1243] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   68.517426][ T1243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   68.517619][ T1243] FS:  00007f5ff4a19840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   68.517844][ T1243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.518064][ T1243] CR2: 000000002eb61988 CR3: 000000000f037003 CR4: 0000000000771ef0
[   68.518257][ T1243] PKRU: 55555554
[   68.518351][ T1243] Call Trace:
[   68.518446][ T1243]  <TASK>
[   68.518516][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.518644][ T1243]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   68.518771][ T1243]  notifier_call_chain (kernel/notifier.c:85)
[   68.518963][ T1243]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   68.519091][ T1243]  ? default_device_exit_batch (net/core/dev.c:13091)
[   68.519251][ T1243]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   68.519411][ T1243]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.519543][ T1243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.519672][ T1243]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   68.519800][ T1243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.520001][ T1243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.520160][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.520286][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.520413][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.520544][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.520671][ T1243]  ? __kernel_text_address (kernel/extable.c:79)
[   68.520799][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.520990][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.521117][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.521246][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.521374][ T1243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.521500][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.521630][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.521757][ T1243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.521945][ T1243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.522072][ T1243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.522200][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.522330][ T1243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.522456][ T1243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.522586][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.522716][ T1243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.522850][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.523033][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.523160][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.523287][ T1243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.523415][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.523550][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.523677][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.523804][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.523995][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.524124][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.524254][ T1243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.524385][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.524517][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.524645][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.524777][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.524965][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.525095][ T1243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.525224][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.525354][ T1243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.525490][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.525622][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.525753][ T1243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.525942][ T1243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.526072][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.526202][ T1243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.526333][ T1243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.526465][ T1243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.526599][ T1243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.526727][ T1243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.526860][ T1243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.527075][ T1243]  ? move_addr_to_kernel (net/socket.c:258)
[   68.527206][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.527335][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.527467][ T1243]  ___sys_sendmsg (net/socket.c:2752)
[   68.527598][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.527758][ T1243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.527961][ T1243]  __sys_sendmsg (net/socket.c:2784)
[   68.528091][ T1243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.528219][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.528383][ T1243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.528517][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.528649][ T1243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.528778][ T1243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.528967][ T1243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.529095][ T1243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.529253][ T1243] RIP: 0033:0x7f5ff4c5308e
[   68.529385][ T1243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.529850][ T1243] RSP: 002b:00007ffcf1ed47d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.530101][ T1243] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5ff4c5308e
[   68.530291][ T1243] RDX: 0000000000000000 RSI: 00007ffcf1ed4880 RDI: 0000000000000005
[   68.530484][ T1243] RBP: 00007ffcf1ed47e0 R08: 0000000000000000 R09: 0000000000000000
[   68.530676][ T1243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.530928][ T1243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf1ed4f50
| [   68.533176][ T1243] ------------[ cut here ]------------
| [   68.533316][ T1243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1243
| [   68.533573][ T1243] Modules linked in:
| [   68.533949][ T1243] Tainted: [W]=WARN
[   68.534046][ T1243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.534206][ T1243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.534373][ T1243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.534839][ T1243] RSP: 0018:ffa00000039f7020 EFLAGS: 00010286
[   68.535009][ T1243] RAX: 00000000ffffffa6 RBX: ff1100000c04b000 RCX: 1ff400000073edca
[   68.535200][ T1243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b0bc
[   68.535393][ T1243] RBP: ff1100000fe11000 R08: 1fe2200001809619 R09: ff1100000fc32e58
[   68.535587][ T1243] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   68.535778][ T1243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   68.535981][ T1243] FS:  00007f5ff4a19840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   68.536206][ T1243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.536367][ T1243] CR2: 000055dfefec9870 CR3: 000000000f037002 CR4: 0000000000771ef0
[   68.536566][ T1243] PKRU: 55555554
[   68.536662][ T1243] Call Trace:
[   68.536758][ T1243]  <TASK>
[   68.536825][ T1243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.536968][ T1243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.537067][ T1243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.537196][ T1243]  __dev_notify_flags (net/core/dev.c:9787)
[   68.537327][ T1243]  ? netif_change_name (net/core/dev.c:1495)
[   68.537459][ T1243]  ? __dev_change_flags (net/core/dev.c:9752)
[   68.537594][ T1243]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   68.537723][ T1243]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   68.537895][ T1243]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.538027][ T1243]  netif_change_flags (net/core/dev.c:9820)
[   68.538157][ T1243]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   68.538291][ T1243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.538421][ T1243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.538582][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.538711][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.538846][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.538984][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.539113][ T1243]  ? __kernel_text_address (kernel/extable.c:79)
[   68.539244][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.539375][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.539504][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.539637][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.539769][ T1243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.539908][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.540037][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.540168][ T1243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.540297][ T1243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.540426][ T1243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.540557][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.540689][ T1243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.540816][ T1243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.540959][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.541092][ T1243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.541225][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.541353][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.541481][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.541612][ T1243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.541740][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.541883][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.542012][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.542141][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.542270][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.542399][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.542530][ T1243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.542667][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.542796][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.542934][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.543063][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.543192][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.543321][ T1243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.543450][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.543581][ T1243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.543712][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.543845][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.543979][ T1243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.544108][ T1243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.544238][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.544368][ T1243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.544497][ T1243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.544630][ T1243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.544761][ T1243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.544902][ T1243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.545030][ T1243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.545191][ T1243]  ? move_addr_to_kernel (net/socket.c:258)
[   68.545320][ T1243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.545448][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.545581][ T1243]  ___sys_sendmsg (net/socket.c:2752)
[   68.545708][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.545877][ T1243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.546018][ T1243]  __sys_sendmsg (net/socket.c:2784)
[   68.546149][ T1243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.546278][ T1243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.546440][ T1243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.546572][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.546702][ T1243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.546829][ T1243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.546967][ T1243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.547095][ T1243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.547256][ T1243] RIP: 0033:0x7f5ff4c5308e
[   68.547390][ T1243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.547851][ T1243] RSP: 002b:00007ffcf1ed47d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.548052][ T1243] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5ff4c5308e
[   68.548243][ T1243] RDX: 0000000000000000 RSI: 00007ffcf1ed4880 RDI: 0000000000000005
[   68.548434][ T1243] RBP: 00007ffcf1ed47e0 R08: 0000000000000000 R09: 0000000000000000
[   68.548628][ T1243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.548821][ T1243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf1ed4f50
| [   68.631506][ T1246] ------------[ cut here ]------------
| [   68.631669][ T1246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1246
| [   68.631938][ T1246] Modules linked in:
| [   68.632299][ T1246] Tainted: [W]=WARN
[   68.632399][ T1246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.632565][ T1246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.632736][ T1246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.633208][ T1246] RSP: 0018:ffa0000003a17020 EFLAGS: 00010286
[   68.633374][ T1246] RAX: 00000000ffffffa6 RBX: ff1100000d31b700 RCX: 1ff4000000742dca
[   68.633573][ T1246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b7bc
[   68.633768][ T1246] RBP: ff110000056fc000 R08: 1fe2200001a636f9 R09: ff11000010270b58
[   68.633974][ T1246] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   68.634167][ T1246] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   68.634362][ T1246] FS:  00007fe164746840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   68.634592][ T1246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.634753][ T1246] CR2: 0000000033f4d988 CR3: 000000000f037003 CR4: 0000000000771ef0
[   68.634958][ T1246] PKRU: 55555554
[   68.635055][ T1246] Call Trace:
[   68.635153][ T1246]  <TASK>
[   68.635220][ T1246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.635352][ T1246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.635451][ T1246]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.635582][ T1246]  __dev_notify_flags (net/core/dev.c:9787)
[   68.635714][ T1246]  ? netif_change_name (net/core/dev.c:1495)
[   68.635850][ T1246]  ? __dev_change_flags (net/core/dev.c:9752)
[   68.635986][ T1246]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   68.636116][ T1246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.636247][ T1246]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.636380][ T1246]  netif_change_flags (net/core/dev.c:9820)
[   68.636515][ T1246]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   68.636646][ T1246]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   68.636778][ T1246]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.636919][ T1246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.637084][ T1246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.637213][ T1246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.637341][ T1246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.637471][ T1246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.637606][ T1246]  ? __kernel_text_address (kernel/extable.c:79)
[   68.637736][ T1246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.638376][ T1246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.638512][ T1246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.638641][ T1246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.638771][ T1246]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.638912][ T1246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.639041][ T1246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.639172][ T1246]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.639302][ T1246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.639433][ T1246]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.639567][ T1246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.639697][ T1246]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.639832][ T1246]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.639975][ T1246]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.640108][ T1246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.640236][ T1246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.640365][ T1246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.640497][ T1246]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.640630][ T1246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.640762][ T1246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.640905][ T1246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.641035][ T1246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.641166][ T1246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.641301][ T1246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.641433][ T1246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.641568][ T1246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.641699][ T1246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.641830][ T1246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.641975][ T1246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.642105][ T1246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.642236][ T1246]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.642365][ T1246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.642494][ T1246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.642631][ T1246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.642762][ T1246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.642906][ T1246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.643039][ T1246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.643169][ T1246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.643300][ T1246]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.643431][ T1246]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.643568][ T1246]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.643701][ T1246]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.643831][ T1246]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.643974][ T1246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.644134][ T1246]  ? move_addr_to_kernel (net/socket.c:258)
[   68.644267][ T1246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.644398][ T1246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.644534][ T1246]  ___sys_sendmsg (net/socket.c:2752)
[   68.644663][ T1246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.644824][ T1246]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.644981][ T1246]  __sys_sendmsg (net/socket.c:2784)
[   68.645114][ T1246]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.645244][ T1246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.645408][ T1246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.645543][ T1246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.645674][ T1246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.645804][ T1246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.645944][ T1246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.646075][ T1246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.646238][ T1246] RIP: 0033:0x7fe16498008e
[   68.646375][ T1246] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.646846][ T1246] RSP: 002b:00007ffc10fee3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.647047][ T1246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe16498008e
[   68.647240][ T1246] RDX: 0000000000000000 RSI: 00007ffc10fee480 RDI: 0000000000000005
[   68.647435][ T1246] RBP: 00007ffc10fee3e0 R08: 0000000000000000 R09: 0000000000000000
[   68.647633][ T1246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd30
[   68.647826][ T1246] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc10feeb50
| [   68.650246][   T71] ------------[ cut here ]------------
| [   68.650367][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/71
| [   68.650604][   T71] Modules linked in:
| [   68.651045][   T71] Tainted: [W]=WARN
[   68.651135][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.651284][   T71] Workqueue: events_unbound linkwatch_event
[   68.651438][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.651596][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.652042][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   68.652191][   T71] RAX: 00000000ffffffa6 RBX: ff110000109b8740 RCX: 1ff4000000098f02
[   68.652382][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b87fc
[   68.652565][   T71] RBP: ff110000056fc000 R08: 1fe2200002137101 R09: ff11000009d32ea8
[   68.652742][   T71] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   68.652931][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.653112][   T71] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   68.653320][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.653472][   T71] CR2: 0000000033f4d988 CR3: 000000000f037003 CR4: 0000000000771ef0
[   68.653657][   T71] PKRU: 55555554
[   68.653747][   T71] Call Trace:
[   68.653842][   T71]  <TASK>
[   68.653914][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.654035][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.654160][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.654253][   T71]  netif_state_change (net/core/dev.c:1605)
[   68.654374][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   68.654529][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   68.654649][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   68.654772][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.654907][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   68.655028][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   68.655148][   T71]  process_one_work (kernel/workqueue.c:3314)
[   68.655274][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.655394][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.655521][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.655645][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.655764][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   68.655895][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.656015][   T71]  kthread (kernel/kthread.c:436)
[   68.656105][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.656257][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.656376][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.656497][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.656652][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.656771][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.656903][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.658739][   T71] ------------[ cut here ]------------
| [   68.658865][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/71
| [   68.659112][   T71] Modules linked in:
| [   68.659472][   T71] Tainted: [W]=WARN
[   68.659567][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.659715][   T71] Workqueue: events_unbound linkwatch_event
[   68.659919][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.660073][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.660550][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   68.660698][   T71] RAX: 00000000ffffffa6 RBX: ff110000109b8900 RCX: 1ff4000000098f02
[   68.660940][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b89bc
[   68.661117][   T71] RBP: ff11000012419000 R08: 1fe2200002137139 R09: ff11000009d32ea8
[   68.661295][   T71] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   68.661472][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.661701][   T71] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   68.661963][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.662110][   T71] CR2: 0000000033f4d988 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   68.662288][   T71] PKRU: 55555554
[   68.662378][   T71] Call Trace:
[   68.662466][   T71]  <TASK>
[   68.662536][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.662659][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.662782][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.662926][   T71]  netif_state_change (net/core/dev.c:1605)
[   68.663046][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   68.663197][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   68.663315][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   68.663440][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.663566][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   68.663685][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   68.663804][   T71]  process_one_work (kernel/workqueue.c:3314)
[   68.663982][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.664103][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.664226][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.664347][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.664466][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   68.664589][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.664713][   T71]  kthread (kernel/kthread.c:436)
[   68.664802][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.665006][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.665126][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.665245][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.665392][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.665514][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.665637][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.813489][ T1251] ------------[ cut here ]------------
| [   68.813682][ T1251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1251
| [   68.814007][ T1251] Modules linked in:
| [   68.814478][ T1251] Tainted: [W]=WARN
[   68.814629][ T1251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.814845][ T1251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.815076][ T1251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.815590][ T1251] RSP: 0018:ffa0000003397020 EFLAGS: 00010286
[   68.815802][ T1251] RAX: 00000000ffffffa6 RBX: ff1100000f1b5700 RCX: 1ff4000000672dca
[   68.816073][ T1251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b57bc
[   68.816324][ T1251] RBP: ff11000009821000 R08: 1fe2200001e36af9 R09: ff110000102ed158
[   68.816576][ T1251] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   68.816817][ T1251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   68.817079][ T1251] FS:  00007fd3dbcda840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   68.817353][ T1251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.817570][ T1251] CR2: 00000000395c2988 CR3: 0000000010268002 CR4: 0000000000771ef0
[   68.817814][ T1251] PKRU: 55555554
[   68.817979][ T1251] Call Trace:
[   68.818124][ T1251]  <TASK>
[   68.818240][ T1251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.818421][ T1251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.818576][ T1251]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.818752][ T1251]  __dev_notify_flags (net/core/dev.c:9787)
[   68.818952][ T1251]  ? netif_change_name (net/core/dev.c:1495)
[   68.819130][ T1251]  ? __dev_change_flags (net/core/dev.c:9752)
[   68.819308][ T1251]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   68.819485][ T1251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.819671][ T1251]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.819864][ T1251]  netif_change_flags (net/core/dev.c:9820)
[   68.820060][ T1251]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   68.820237][ T1251]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   68.820419][ T1251]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.820605][ T1251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.820815][ T1251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.821099][ T1251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.821341][ T1251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.821590][ T1251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.821847][ T1251]  ? __kernel_text_address (kernel/extable.c:79)
[   68.822104][ T1251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.822313][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.822487][ T1251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.822672][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.822855][ T1251]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.823044][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.823232][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.823409][ T1251]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.823595][ T1251]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.823773][ T1251]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.823975][ T1251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.824157][ T1251]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.824338][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.824524][ T1251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.824707][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.824898][ T1251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.825077][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.825253][ T1251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.825430][ T1251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.825619][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.825796][ T1251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.825993][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.826172][ T1251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.826349][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.826531][ T1251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.826711][ T1251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.826908][ T1251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.827086][ T1251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.827266][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.827441][ T1251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.827626][ T1251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.827802][ T1251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.827998][ T1251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.828180][ T1251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.828355][ T1251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.828537][ T1251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.828718][ T1251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.828917][ T1251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.829097][ T1251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.829276][ T1251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.829470][ T1251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.829658][ T1251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.829844][ T1251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.830038][ T1251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.830246][ T1251]  ? move_addr_to_kernel (net/socket.c:258)
[   68.830427][ T1251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.830615][ T1251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.830797][ T1251]  ___sys_sendmsg (net/socket.c:2752)
[   68.830996][ T1251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.831205][ T1251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.831395][ T1251]  __sys_sendmsg (net/socket.c:2784)
[   68.831583][ T1251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.831760][ T1251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.831993][ T1251]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.832173][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.832352][ T1251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.832532][ T1251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.832711][ T1251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.832910][ T1251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.833121][ T1251] RIP: 0033:0x7fd3dbf1408e
[   68.833304][ T1251] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.833817][ T1251] RSP: 002b:00007ffc40f4bff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.834079][ T1251] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3dbf1408e
[   68.834318][ T1251] RDX: 0000000000000000 RSI: 00007ffc40f4c0a0 RDI: 0000000000000005
[   68.834567][ T1251] RBP: 00007ffc40f4c000 R08: 0000000000000000 R09: 0000000000000000
[   68.834808][ T1251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd31
[   68.835066][ T1251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc40f4c770
| [   68.837899][   T38] ------------[ cut here ]------------
| [   68.838032][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/38
| [   68.838268][   T38] Modules linked in:
| [   68.838648][   T38] Tainted: [W]=WARN
[   68.838739][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.838904][   T38] Workqueue: events_unbound linkwatch_event
[   68.839059][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.839213][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.839639][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   68.839789][   T38] RAX: 00000000ffffffa6 RBX: ff1100000b7d4e40 RCX: 1ff4000000055f02
[   68.840001][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4efc
[   68.840176][   T38] RBP: ff1100000fe11000 R08: 1fe22000016fa9e1 R09: ff11000001da2ea8
[   68.840354][   T38] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   68.840534][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.840711][   T38] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   68.840930][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.841077][   T38] CR2: 000055dfefee2158 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   68.841255][   T38] PKRU: 55555554
[   68.841344][   T38] Call Trace:
[   68.841437][   T38]  <TASK>
[   68.841500][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.841627][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.841747][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.841842][   T38]  netif_state_change (net/core/dev.c:1605)
[   68.841970][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   68.842120][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   68.842237][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   68.842356][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.842477][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   68.842598][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   68.842718][   T38]  process_one_work (kernel/workqueue.c:3314)
[   68.842847][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.842970][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.843093][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.843216][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.843334][   T38]  kthread (kernel/kthread.c:436)
[   68.843428][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.843582][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.843700][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.843818][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.843979][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.844097][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.844219][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.873744][ T1252] ------------[ cut here ]------------
| [   68.874339][ T1252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1252
| [   68.874646][ T1252] Modules linked in:
| [   68.875118][ T1252] Tainted: [W]=WARN
[   68.875263][ T1252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.875468][ T1252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.875691][ T1252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.876227][ T1252] RSP: 0018:ffa0000003a37150 EFLAGS: 00010286
[   68.876435][ T1252] RAX: 00000000ffffffa6 RBX: ff1100000a16b380 RCX: 1ff4000000746df0
[   68.876681][ T1252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b43c
[   68.876940][ T1252] RBP: ff11000009821000 R08: 1fe220000142d689 R09: ff110000102eae58
[   68.877177][ T1252] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   68.877423][ T1252] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d5a03c0
[   68.877674][ T1252] FS:  00007fb174a4b840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   68.877961][ T1252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.878167][ T1252] CR2: 00000000004eba70 CR3: 0000000010268005 CR4: 0000000000771ef0
[   68.878406][ T1252] PKRU: 55555554
[   68.878554][ T1252] Call Trace:
[   68.878698][ T1252]  <TASK>
[   68.878812][ T1252]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.879010][ T1252]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.879188][ T1252]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.879335][ T1252]  netif_state_change (net/core/dev.c:1605)
[   68.879514][ T1252]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   68.879726][ T1252]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   68.879959][ T1252]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   68.880135][ T1252]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   68.880312][ T1252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.880486][ T1252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.880668][ T1252]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   68.880850][ T1252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.881039][ T1252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.881216][ T1252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.881411][ T1252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.881593][ T1252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.881771][ T1252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.881965][ T1252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.882141][ T1252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.882319][ T1252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.882497][ T1252]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   68.882681][ T1252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.882863][ T1252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.883056][ T1252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.883232][ T1252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.883409][ T1252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.883590][ T1252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.883768][ T1252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.883962][ T1252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.884140][ T1252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.884319][ T1252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.884494][ T1252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.884681][ T1252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.884882][ T1252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.885060][ T1252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.885237][ T1252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.885415][ T1252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.885600][ T1252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.885779][ T1252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.885977][ T1252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.886153][ T1252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.886360][ T1252]  ? move_addr_to_kernel (net/socket.c:258)
[   68.886538][ T1252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.886717][ T1252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.886948][ T1252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.887127][ T1252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.887337][ T1252]  ___sys_sendmsg (net/socket.c:2752)
[   68.887517][ T1252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.887698][ T1252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.887904][ T1252]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   68.888080][ T1252]  ? do_getsockname (net/socket.c:2192)
[   68.888259][ T1252]  __sys_sendmsg (net/socket.c:2784)
[   68.888435][ T1252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.888622][ T1252]  ? __sys_getsockname (net/socket.c:2210)
[   68.888799][ T1252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.888999][ T1252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.889175][ T1252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.889350][ T1252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.889532][ T1252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.889738][ T1252] RIP: 0033:0x7fb174c8508e
[   68.889941][ T1252] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.890446][ T1252] RSP: 002b:00007ffe7cbd6680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.890694][ T1252] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb174c8508e
[   68.890951][ T1252] RDX: 0000000000000000 RSI: 00007ffe7cbd6730 RDI: 0000000000000006
[   68.891188][ T1252] RBP: 00007ffe7cbd6690 R08: 0000000000000000 R09: 0000000000000000
[   68.891423][ T1252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd31
[   68.891669][ T1252] R13: 00007ffe7cbd67e0 R14: 00007ffe7cbda84c R15: 0000000000000000
| [   69.058471][ T1258] ------------[ cut here ]------------
| [   69.058672][ T1258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1258
| [   69.059010][ T1258] Modules linked in:
| [   69.059472][ T1258] Tainted: [W]=WARN
[   69.059625][ T1258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.059845][ T1258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.060076][ T1258] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.060596][ T1258] RSP: 0018:ffa0000003a871b0 EFLAGS: 00010286
[   69.060810][ T1258] RAX: 00000000ffffffa6 RBX: ff11000008dc7700 RCX: 1ff4000000750dfc
[   69.061074][ T1258] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc77bc
[   69.061317][ T1258] RBP: ff110000124b9000 R08: 1fe22000011b8ef9 R09: ff110000124f8b80
[   69.061566][ T1258] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.061811][ T1258] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   69.062078][ T1258] FS:  00007fbfa6263840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   69.062356][ T1258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.062579][ T1258] CR2: 00000000004a2860 CR3: 00000000125c2002 CR4: 0000000000771ef0
[   69.062825][ T1258] PKRU: 55555554
[   69.062990][ T1258] Call Trace:
[   69.063136][ T1258]  <TASK>
[   69.063251][ T1258]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.063434][ T1258]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.063592][ T1258]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   69.063773][ T1258]  __dev_notify_flags (net/core/dev.c:9787)
[   69.063976][ T1258]  ? netif_change_name (net/core/dev.c:1495)
[   69.064157][ T1258]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   69.064342][ T1258]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   69.064526][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.064707][ T1258]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   69.064909][ T1258]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.065096][ T1258]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   69.065281][ T1258]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   69.065466][ T1258]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   69.065656][ T1258]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   69.065834][ T1258]  ? __dev_get_by_name (net/core/dev.c:883)
[   69.066035][ T1258]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   69.066220][ T1258]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   69.066404][ T1258]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.066593][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.066775][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.066978][ T1258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.067159][ T1258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.067338][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.067528][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.067709][ T1258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.067910][ T1258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.068093][ T1258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.068276][ T1258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.068454][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.068647][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.068826][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.069026][ T1258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.069205][ T1258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.069384][ T1258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.069574][ T1258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.069756][ T1258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.069956][ T1258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.070140][ T1258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.070319][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.070499][ T1258]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.070688][ T1258]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.070889][ T1258]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.071074][ T1258]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.071255][ T1258]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.071434][ T1258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.071651][ T1258]  ? move_addr_to_kernel (net/socket.c:258)
[   69.071836][ T1258]  ___sys_sendmsg (net/socket.c:2752)
[   69.072037][ T1258]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.072220][ T1258]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.072439][ T1258]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   69.072629][ T1258]  __sys_sendmsg (net/socket.c:2784)
[   69.072810][ T1258]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.073015][ T1258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.073197][ T1258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.073375][ T1258]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.073559][ T1258]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.073741][ T1258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.073979][ T1258] RIP: 0033:0x7fbfa649d08e
[   69.074165][ T1258] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.074688][ T1258] RSP: 002b:00007ffd345d3d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.074953][ T1258] RAX: ffffffffffffffda RBX: 00007ffd345d44d8 RCX: 00007fbfa649d08e
[   69.075199][ T1258] RDX: 0000000000000000 RSI: 00007ffd345d3de0 RDI: 0000000000000005
[   69.075442][ T1258] RBP: 00007ffd345d3d40 R08: 0000000000000000 R09: 0000000000000000
[   69.075691][ T1258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd31
[   69.075952][ T1258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd345d44b0
| [   69.112278][ T1259] ------------[ cut here ]------------
| [   69.112425][ T1259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1259
| [   69.112688][ T1259] Modules linked in:
| [   69.113629][ T1259] Tainted: [W]=WARN
[   69.113728][ T1259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.113903][ T1259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.114077][ T1259] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.114537][ T1259] RSP: 0018:ffa0000003a97020 EFLAGS: 00010286
[   69.114701][ T1259] RAX: 00000000ffffffa6 RBX: ff11000008dc6580 RCX: 1ff4000000752dca
[   69.114907][ T1259] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc663c
[   69.115101][ T1259] RBP: ff110000124b9000 R08: 1fe22000011b8cc9 R09: ff110000124fae58
[   69.115292][ T1259] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   69.115485][ T1259] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   69.115681][ T1259] FS:  00007f4363ad9840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   69.115918][ T1259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.116078][ T1259] CR2: 000000001b5de988 CR3: 0000000010268002 CR4: 0000000000771ef0
[   69.116272][ T1259] PKRU: 55555554
[   69.116368][ T1259] Call Trace:
[   69.116465][ T1259]  <TASK>
[   69.116536][ T1259]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.116669][ T1259]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.116767][ T1259]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   69.116908][ T1259]  __dev_notify_flags (net/core/dev.c:9787)
[   69.117038][ T1259]  ? netif_change_name (net/core/dev.c:1495)
[   69.117169][ T1259]  ? __dev_change_flags (net/core/dev.c:9752)
[   69.117299][ T1259]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   69.117428][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.117563][ T1259]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   69.117694][ T1259]  netif_change_flags (net/core/dev.c:9820)
[   69.117823][ T1259]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   69.117966][ T1259]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   69.118098][ T1259]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.118228][ T1259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.118389][ T1259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.118520][ T1259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.118648][ T1259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.118778][ T1259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.118918][ T1259]  ? __kernel_text_address (kernel/extable.c:79)
[   69.119049][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.119180][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.119310][ T1259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.119441][ T1259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.119573][ T1259]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.119701][ T1259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.119829][ T1259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.119971][ T1259]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.120101][ T1259]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   69.120232][ T1259]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.120361][ T1259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.120493][ T1259]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.120627][ T1259]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.120761][ T1259]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.120901][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.121029][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.121158][ T1259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.121286][ T1259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.121414][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.121550][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.121678][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.121805][ T1259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.121948][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.122078][ T1259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.122208][ T1259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.122338][ T1259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.122470][ T1259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.122601][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.122733][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.122872][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.123003][ T1259]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.123133][ T1259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.123263][ T1259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.123395][ T1259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.123529][ T1259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.123659][ T1259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.123789][ T1259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.123930][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.124061][ T1259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.124190][ T1259]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.124320][ T1259]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.124451][ T1259]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.124582][ T1259]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.124711][ T1259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.124883][ T1259]  ? move_addr_to_kernel (net/socket.c:258)
[   69.125015][ T1259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.125145][ T1259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.125275][ T1259]  ___sys_sendmsg (net/socket.c:2752)
[   69.125405][ T1259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.125570][ T1259]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.125711][ T1259]  __sys_sendmsg (net/socket.c:2784)
[   69.125850][ T1259]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.125985][ T1259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.126147][ T1259]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.126278][ T1259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.126409][ T1259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.126541][ T1259]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.126670][ T1259]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.126799][ T1259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.126976][ T1259] RIP: 0033:0x7f4363d1308e
[   69.127111][ T1259] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.127576][ T1259] RSP: 002b:00007ffed35de150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.127770][ T1259] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4363d1308e
[   69.127973][ T1259] RDX: 0000000000000000 RSI: 00007ffed35de200 RDI: 0000000000000005
[   69.128166][ T1259] RBP: 00007ffed35de160 R08: 0000000000000000 R09: 0000000000000000
[   69.128359][ T1259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd31
[   69.128552][ T1259] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed35de8d0
| [   69.264658][ T1264] ------------[ cut here ]------------
| [   69.264850][ T1264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1264
| [   69.265172][ T1264] Modules linked in:
| [   69.265653][ T1264] Tainted: [W]=WARN
[   69.265799][ T1264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.266032][ T1264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.266250][ T1264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.266771][ T1264] RSP: 0018:ffa0000003ae71b0 EFLAGS: 00010286
[   69.267017][ T1264] RAX: 00000000ffffffa6 RBX: ff1100000caa0040 RCX: 1ff400000075cdfc
[   69.267261][ T1264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa00fc
[   69.267503][ T1264] RBP: ff1100000601c000 R08: 1fe2200001954021 R09: ff11000010735180
[   69.267760][ T1264] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.268023][ T1264] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   69.268270][ T1264] FS:  00007fc006642840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   69.268554][ T1264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.268766][ T1264] CR2: 00000000004a2860 CR3: 00000000125c2003 CR4: 0000000000771ef0
[   69.269030][ T1264] PKRU: 55555554
[   69.269176][ T1264] Call Trace:
[   69.269322][ T1264]  <TASK>
[   69.269439][ T1264]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.269627][ T1264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.269774][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.269977][ T1264]  __dev_notify_flags (net/core/dev.c:9787)
[   69.270159][ T1264]  ? netif_change_name (net/core/dev.c:1495)
[   69.270338][ T1264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.270518][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.270701][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.270901][ T1264]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.271081][ T1264]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.271265][ T1264]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   69.271445][ T1264]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   69.271632][ T1264]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   69.271815][ T1264]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   69.272019][ T1264]  ? __dev_get_by_name (net/core/dev.c:883)
[   69.272199][ T1264]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   69.272383][ T1264]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   69.272573][ T1264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.272754][ T1264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.273025][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.273282][ T1264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.273519][ T1264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.273826][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.274117][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.274374][ T1264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.274646][ T1264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.274920][ T1264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.275106][ T1264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.275287][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.275471][ T1264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.275657][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.275845][ T1264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.276037][ T1264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.276219][ T1264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.276402][ T1264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.276587][ T1264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.276770][ T1264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.276978][ T1264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.277160][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.277340][ T1264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.277524][ T1264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.277707][ T1264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.277903][ T1264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.278083][ T1264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.278263][ T1264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.278475][ T1264]  ? move_addr_to_kernel (net/socket.c:258)
[   69.278664][ T1264]  ___sys_sendmsg (net/socket.c:2752)
[   69.278851][ T1264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.279047][ T1264]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.279262][ T1264]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   69.279442][ T1264]  __sys_sendmsg (net/socket.c:2784)
[   69.279627][ T1264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.279811][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.280013][ T1264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.280192][ T1264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.280371][ T1264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.280558][ T1264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.280768][ T1264] RIP: 0033:0x7fc00687c08e
[   69.280976][ T1264] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.281494][ T1264] RSP: 002b:00007fffe5e8dbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.281747][ T1264] RAX: ffffffffffffffda RBX: 00007fffe5e8e378 RCX: 00007fc00687c08e
[   69.282010][ T1264] RDX: 0000000000000000 RSI: 00007fffe5e8dc80 RDI: 0000000000000005
[   69.282256][ T1264] RBP: 00007fffe5e8dbe0 R08: 0000000000000000 R09: 0000000000000000
[   69.282497][ T1264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd31
[   69.282747][ T1264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe5e8e350
| [   69.312456][ T1265] ------------[ cut here ]------------
| [   69.312607][ T1265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1265
| [   69.312876][ T1265] Modules linked in:
| [   69.313240][ T1265] Tainted: [W]=WARN
[   69.313337][ T1265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.313497][ T1265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.313669][ T1265] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.314141][ T1265] RSP: 0018:ffa0000003af7020 EFLAGS: 00010286
[   69.314303][ T1265] RAX: 00000000ffffffa6 RBX: ff1100000caa0c80 RCX: 1ff400000075edca
[   69.314494][ T1265] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0d3c
[   69.314689][ T1265] RBP: ff1100000601c000 R08: 1fe22000019541a9 R09: ff11000010130b58
[   69.314892][ T1265] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   69.315085][ T1265] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   69.315281][ T1265] FS:  00007f639ef03840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   69.315508][ T1265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.315674][ T1265] CR2: 00000000016c2988 CR3: 0000000010268003 CR4: 0000000000771ef0
[   69.315878][ T1265] PKRU: 55555554
[   69.315977][ T1265] Call Trace:
[   69.316075][ T1265]  <TASK>
[   69.316143][ T1265]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.316274][ T1265]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.316373][ T1265]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   69.316501][ T1265]  __dev_notify_flags (net/core/dev.c:9787)
[   69.316635][ T1265]  ? netif_change_name (net/core/dev.c:1495)
[   69.316765][ T1265]  ? __dev_change_flags (net/core/dev.c:9752)
[   69.316906][ T1265]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   69.317035][ T1265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.317165][ T1265]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   69.317296][ T1265]  netif_change_flags (net/core/dev.c:9820)
[   69.317426][ T1265]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   69.317561][ T1265]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   69.317694][ T1265]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.317825][ T1265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.318004][ T1265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.318133][ T1265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.318263][ T1265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.318390][ T1265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.318523][ T1265]  ? __kernel_text_address (kernel/extable.c:79)
[   69.318655][ T1265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.318787][ T1265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.319329][ T1265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.319462][ T1265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.319595][ T1265]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.319725][ T1265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.319861][ T1265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.319997][ T1265]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.320127][ T1265]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   69.320255][ T1265]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.320385][ T1265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.320521][ T1265]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.320652][ T1265]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.320784][ T1265]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.320925][ T1265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.321054][ T1265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.321184][ T1265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.321313][ T1265]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.321444][ T1265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.321581][ T1265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.321711][ T1265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.321844][ T1265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.321979][ T1265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.322113][ T1265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.322245][ T1265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.322375][ T1265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.322505][ T1265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.322636][ T1265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.322767][ T1265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.322905][ T1265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.323035][ T1265]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.323164][ T1265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.323294][ T1265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.323426][ T1265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.323556][ T1265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.323688][ T1265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.323820][ T1265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.323962][ T1265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.324093][ T1265]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.324224][ T1265]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.324357][ T1265]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.324489][ T1265]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.324621][ T1265]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.324753][ T1265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.324925][ T1265]  ? move_addr_to_kernel (net/socket.c:258)
[   69.325057][ T1265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.325187][ T1265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.325319][ T1265]  ___sys_sendmsg (net/socket.c:2752)
[   69.325447][ T1265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.325612][ T1265]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.325753][ T1265]  __sys_sendmsg (net/socket.c:2784)
[   69.325891][ T1265]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.326021][ T1265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.326183][ T1265]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.326313][ T1265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.326442][ T1265]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.326576][ T1265]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.326706][ T1265]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.326834][ T1265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.327005][ T1265] RIP: 0033:0x7f639f13d08e
[   69.327141][ T1265] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.327609][ T1265] RSP: 002b:00007ffc23d00600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.327805][ T1265] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f639f13d08e
[   69.328008][ T1265] RDX: 0000000000000000 RSI: 00007ffc23d006b0 RDI: 0000000000000005
[   69.328203][ T1265] RBP: 00007ffc23d00610 R08: 0000000000000000 R09: 0000000000000000
[   69.328398][ T1265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd31
[   69.328595][ T1265] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc23d00d80
| [   69.467554][ T1270] ------------[ cut here ]------------
| [   69.467704][ T1270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1270
| [   69.467971][ T1270] Modules linked in:
| [   69.468333][ T1270] Tainted: [W]=WARN
[   69.468430][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.468594][ T1270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.468761][ T1270] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.469235][ T1270] RSP: 0018:ffa0000003397060 EFLAGS: 00010286
[   69.469396][ T1270] RAX: 00000000ffffffa6 RBX: ff110000126be580 RCX: 1ff4000000672dd2
[   69.469590][ T1270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126be63c
[   69.469780][ T1270] RBP: ff1100000fe11000 R08: 1fe22000024d7cc9 R09: ff11000008d4ae58
[   69.469981][ T1270] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   69.470171][ T1270] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   69.470367][ T1270] FS:  00007fb2be0e1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   69.470596][ T1270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.470758][ T1270] CR2: 00007fb2be3b11a0 CR3: 00000000096d0006 CR4: 0000000000771ef0
[   69.470961][ T1270] PKRU: 55555554
[   69.471058][ T1270] Call Trace:
[   69.471154][ T1270]  <TASK>
[   69.471220][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.471350][ T1270]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   69.471482][ T1270]  notifier_call_chain (kernel/notifier.c:85)
[   69.471617][ T1270]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   69.471746][ T1270]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   69.471901][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.472032][ T1270]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   69.472165][ T1270]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   69.472297][ T1270]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   69.472427][ T1270]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.472560][ T1270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.472720][ T1270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.472855][ T1270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.472990][ T1270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.473118][ T1270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.473246][ T1270]  ? __kernel_text_address (kernel/extable.c:79)
[   69.473374][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.473505][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.473638][ T1270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.473768][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.473908][ T1270]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.474040][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.474167][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.474297][ T1270]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.474429][ T1270]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   69.474561][ T1270]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.474691][ T1270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.474821][ T1270]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.474964][ T1270]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.475096][ T1270]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.475229][ T1270]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.475358][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.475485][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.475615][ T1270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.475744][ T1270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.475883][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.476015][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.476144][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.476272][ T1270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.476403][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.476537][ T1270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.476666][ T1270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.476796][ T1270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.476938][ T1270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.477065][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.477195][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.477323][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.477452][ T1270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.477582][ T1270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.477711][ T1270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.477850][ T1270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   69.477985][ T1270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   69.478116][ T1270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.478246][ T1270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.478376][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.478506][ T1270]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.478638][ T1270]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.478768][ T1270]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.478909][ T1270]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.479038][ T1270]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.479166][ T1270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.479327][ T1270]  ? move_addr_to_kernel (net/socket.c:258)
[   69.479459][ T1270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.479591][ T1270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.479722][ T1270]  ___sys_sendmsg (net/socket.c:2752)
[   69.479853][ T1270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.480021][ T1270]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.480164][ T1270]  __sys_sendmsg (net/socket.c:2784)
[   69.480295][ T1270]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.480424][ T1270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.480591][ T1270]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.480720][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.480853][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.480989][ T1270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.481119][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.481249][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.481408][ T1270] RIP: 0033:0x7fb2be31b08e
[   69.481548][ T1270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.482018][ T1270] RSP: 002b:00007ffe5441a220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.482215][ T1270] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb2be31b08e
[   69.482406][ T1270] RDX: 0000000000000000 RSI: 00007ffe5441a2d0 RDI: 0000000000000005
[   69.482604][ T1270] RBP: 00007ffe5441a230 R08: 0000000000000000 R09: 0000000000000000
[   69.482795][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd31
[   69.483000][ T1270] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5441a9a0
| [   71.172968][   T12] ------------[ cut here ]------------
| [   71.173128][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   71.173367][   T12] Modules linked in:
| [   71.173732][   T12] Tainted: [W]=WARN
[   71.173821][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.174068][   T12] Workqueue: netns cleanup_net
[   71.174193][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.174347][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.174776][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.174938][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d442200 RCX: 1ff4000000018eed
[   71.175114][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4422bc
[   71.175294][   T12] RBP: ff11000005009000 R08: 1fe2200001a88459 R09: ff11000001aed1d0
[   71.175469][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.175645][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.175822][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.176036][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.176183][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   71.176360][   T12] PKRU: 55555554
[   71.176449][   T12] Call Trace:
[   71.176541][   T12]  <TASK>
[   71.176603][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.176754][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.176932][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.177055][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.177175][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.177292][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.177412][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.177543][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.177663][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.177782][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.177912][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.178032][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.178151][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.178268][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.178386][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.178510][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.178627][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.178748][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.178880][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.179000][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.179124][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.179251][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.179368][   T12]  kthread (kernel/kthread.c:436)
[   71.179458][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.179607][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.179726][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.179855][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.180007][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.180127][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.180245][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.182510][   T12] ------------[ cut here ]------------
| [   71.182632][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   71.182977][   T12] Modules linked in:
| [   71.183355][   T12] Tainted: [W]=WARN
[   71.183444][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.183598][   T12] Workqueue: netns cleanup_net
[   71.183773][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.183949][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.184458][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.184682][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d442900 RCX: 1ff4000000018eed
[   71.184873][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4429bc
[   71.185050][   T12] RBP: ff11000010114000 R08: 1fe2200001a88539 R09: ff11000001aed1d0
[   71.185227][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.185407][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.185659][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.185873][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.186020][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   71.186269][   T12] PKRU: 55555554
[   71.186355][   T12] Call Trace:
[   71.186443][   T12]  <TASK>
[   71.186506][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.186662][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.186805][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.186937][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.187054][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.187243][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.187361][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.187480][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.187600][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.187718][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.187835][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.187970][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.188093][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.188285][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.188400][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.188520][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.188634][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.188821][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.188950][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.189070][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.189191][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.189383][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.189497][   T12]  kthread (kernel/kthread.c:436)
[   71.189588][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.189733][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.189933][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.190051][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.190552][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.190670][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.190863][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.195545][   T12] ------------[ cut here ]------------
| [   71.195692][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   71.195948][   T12] Modules linked in:
| [   71.196318][   T12] Tainted: [W]=WARN
[   71.196411][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.196573][   T12] Workqueue: netns cleanup_net
[   71.196705][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.196861][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.197286][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.197435][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d443000 RCX: 1ff4000000018eed
[   71.197611][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4430bc
[   71.197786][   T12] RBP: ff11000004d44000 R08: 1fe2200001a88619 R09: ff11000001aed1d0
[   71.198066][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.198242][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.198418][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.198627][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.198775][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   71.199058][   T12] PKRU: 55555554
[   71.199148][   T12] Call Trace:
[   71.199236][   T12]  <TASK>
[   71.199298][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.199448][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.199600][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.199717][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.199836][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.200052][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.200260][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.200378][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.200494][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.200616][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.200733][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.200856][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.201047][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.201168][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.201286][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.201402][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.201520][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.201639][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.201761][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.201968][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.202091][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.202215][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.202332][   T12]  kthread (kernel/kthread.c:436)
[   71.202421][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.202574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.202692][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.202814][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.203013][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.203133][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.203251][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.210855][   T12] ------------[ cut here ]------------
| [   71.211006][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.211250][   T12] Modules linked in:
| [   71.211613][   T12] Tainted: [W]=WARN
[   71.211703][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.211862][   T12] Workqueue: netns cleanup_net
[   71.211991][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.212143][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.212566][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.212719][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d443380 RCX: 1ff4000000018eed
[   71.212906][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d44343c
[   71.213079][   T12] RBP: ff11000009b04000 R08: 1fe2200001a88689 R09: ff11000001aed1d0
[   71.213253][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.213427][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.213605][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.213808][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.213966][   T12] CR2: 00007f02b27da8f4 CR3: 000000000f376004 CR4: 0000000000771ef0
[   71.214147][   T12] PKRU: 55555554
[   71.214233][   T12] Call Trace:
[   71.214319][   T12]  <TASK>
[   71.214381][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.214539][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.214685][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.214802][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.214934][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.215049][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.215165][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.215284][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.215402][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.215520][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.215636][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.215758][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.215887][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.216005][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.216125][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.216243][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.216360][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.216482][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.216604][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.216722][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.216842][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.216972][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.217090][   T12]  kthread (kernel/kthread.c:436)
[   71.217178][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.217322][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.217438][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.217559][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.217703][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.217822][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.217948][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.219928][   T12] ------------[ cut here ]------------
| [   71.220044][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.220269][   T12] Modules linked in:
| [   71.220623][   T12] Tainted: [W]=WARN
[   71.220711][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.220861][   T12] Workqueue: netns cleanup_net
[   71.220991][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.221141][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.221561][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.221709][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d443700 RCX: 1ff4000000018eed
[   71.221894][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4437bc
[   71.222072][   T12] RBP: ff1100000ff19000 R08: 1fe2200001a886f9 R09: ff11000001aed1d0
[   71.222243][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.222416][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.222593][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.222800][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.222957][   T12] CR2: 00007f02b27da8f4 CR3: 000000000f376004 CR4: 0000000000771ef0
[   71.223131][   T12] PKRU: 55555554
[   71.223219][   T12] Call Trace:
[   71.223305][   T12]  <TASK>
[   71.223366][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.223518][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.223660][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.223778][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.223906][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.224023][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.224142][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.224261][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.224380][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.224497][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.224617][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.224734][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.224854][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.224977][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.225098][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.225216][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.225332][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.225449][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.225572][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.225688][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.225807][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.225940][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.226060][   T12]  kthread (kernel/kthread.c:436)
[   71.226148][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.226290][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.226407][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.226526][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.226671][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.226788][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.226915][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.240782][   T12] ------------[ cut here ]------------
| [   71.240947][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.241191][   T12] Modules linked in:
| [   71.241564][   T12] Tainted: [W]=WARN
[   71.241656][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.241808][   T12] Workqueue: netns cleanup_net
[   71.241943][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.242102][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.242544][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.242699][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d4438c0 RCX: 1ff4000000018eaf
[   71.242891][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d44397c
[   71.243075][   T12] RBP: ff110000056fc000 R08: 1fe2200001a88731 R09: ff11000001aed1d0
[   71.243258][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   71.243453][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012419000
[   71.243639][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.243858][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.244017][   T12] CR2: 00007f02b27da8f4 CR3: 000000000f376004 CR4: 0000000000771ef0
[   71.244202][   T12] PKRU: 55555554
[   71.244295][   T12] Call Trace:
[   71.244385][   T12]  <TASK>
[   71.244449][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.244576][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.244670][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.244791][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.244925][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.245048][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.245174][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.245298][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.245451][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.245606][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.245728][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.245890][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.246014][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.246135][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.246288][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.246414][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.246540][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.246662][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.246786][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.246972][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.247142][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.247264][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.247384][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.247509][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.247635][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.247757][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.247933][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.248057][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.248177][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.248301][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.248427][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.248550][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.248677][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.248804][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.248982][   T12]  kthread (kernel/kthread.c:436)
[   71.249074][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.249225][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.249348][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.249470][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.249624][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.249746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.249924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.252490][   T12] ------------[ cut here ]------------
| [   71.252626][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   71.252887][   T12] Modules linked in:
| [   71.253272][   T12] Tainted: [W]=WARN
[   71.253364][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.253519][   T12] Workqueue: netns cleanup_net
[   71.253648][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.253808][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.254265][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.254420][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f7540 RCX: 1ff4000000018eaf
[   71.254607][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f75fc
[   71.254791][   T12] RBP: ff11000012419000 R08: 1fe22000020beec1 R09: ff11000001aed1d0
[   71.254993][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   71.255174][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001271c000
[   71.255360][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.255579][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.255734][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   71.255932][   T12] PKRU: 55555554
[   71.256024][   T12] Call Trace:
[   71.256115][   T12]  <TASK>
[   71.256181][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.256305][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.256431][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.256527][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.256651][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.256772][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.256906][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.257028][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.257157][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.257312][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.257468][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.257595][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.257747][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.257879][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.258004][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.258157][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.258284][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.258410][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.258537][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.258661][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.258785][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.258921][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.259044][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.259165][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.259290][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.259413][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.259539][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.259660][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.259784][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.259915][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.260040][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.260165][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.260289][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.260414][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.260544][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.260666][   T12]  kthread (kernel/kthread.c:436)
[   71.260759][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.260924][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.261047][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.261172][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.261324][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.261447][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.261577][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.264285][   T12] ------------[ cut here ]------------
| [   71.264418][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   71.264666][   T12] Modules linked in:
| [   71.265054][   T12] Tainted: [W]=WARN
[   71.265148][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.265301][   T12] Workqueue: netns cleanup_net
[   71.265427][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.265588][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.266148][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.266312][   T12] RAX: 00000000ffffffa6 RBX: ff11000008ea8e40 RCX: 1ff4000000018eaf
[   71.266510][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008ea8efc
[   71.266694][   T12] RBP: ff1100001271c000 R08: 1fe22000011d51e1 R09: ff11000001aed1d0
[   71.267074][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   71.267416][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   71.267606][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.267819][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.268121][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   71.268304][   T12] PKRU: 55555554
[   71.268400][   T12] Call Trace:
[   71.268493][   T12]  <TASK>
[   71.268561][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.268685][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.268813][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.268982][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.269106][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.269228][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.269351][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.269476][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.269602][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.269761][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.269969][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.270093][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.270247][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.270369][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.270491][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.270647][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.270774][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.270954][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.271077][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.271200][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.271326][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.271449][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.271575][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.271697][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.271819][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.272002][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.272127][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.272249][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.272372][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.272495][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.272622][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.272748][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.272924][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.273052][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.273178][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.273299][   T12]  kthread (kernel/kthread.c:436)
[   71.273391][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.273546][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.273670][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.273791][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.273999][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.274121][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.274242][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.276787][   T12] ------------[ cut here ]------------
| [   71.276945][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.277180][   T12] Modules linked in:
| [   71.277547][   T12] Tainted: [W]=WARN
[   71.277637][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.277787][   T12] Workqueue: netns cleanup_net
[   71.277925][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.278081][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.278514][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.278666][   T12] RAX: 00000000ffffffa6 RBX: ff11000004bbc200 RCX: 1ff4000000018ed5
[   71.278844][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004bbc2bc
[   71.279032][   T12] RBP: ff110000056fc000 R08: 1fe2200000977859 R09: ff11000001aed1d0
[   71.279210][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.279389][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.279585][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.279794][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.279962][   T12] CR2: 000055dfefed3b98 CR3: 0000000009c29001 CR4: 0000000000771ef0
[   71.280147][   T12] PKRU: 55555554
[   71.280241][   T12] Call Trace:
[   71.280330][   T12]  <TASK>
[   71.280392][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.280552][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.280701][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.280818][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.280949][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.281102][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.281224][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.281344][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.281463][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.281586][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.281707][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.281824][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.281954][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.282076][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.282197][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.282317][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.282436][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.282561][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.282680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.282805][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.282942][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.283064][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.283189][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.283312][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.283430][   T12]  kthread (kernel/kthread.c:436)
[   71.283522][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.283672][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.283791][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.283922][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.284070][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.284189][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.284328][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.286751][   T12] ------------[ cut here ]------------
| [   71.286892][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.287151][   T12] Modules linked in:
| [   71.287535][   T12] Tainted: [W]=WARN
[   71.287631][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.287789][   T12] Workqueue: netns cleanup_net
[   71.287934][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.288094][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.288522][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.288672][   T12] RAX: 00000000ffffffa6 RBX: ff11000004bbce40 RCX: 1ff4000000018ed5
[   71.288852][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004bbcefc
[   71.289036][   T12] RBP: ff11000012419000 R08: 1fe22000009779e1 R09: ff11000001aed1d0
[   71.289215][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.289392][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.289574][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.289785][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.289948][   T12] CR2: 000055dfefed3b98 CR3: 0000000009c29001 CR4: 0000000000771ef0
[   71.290129][   T12] PKRU: 55555554
[   71.290218][   T12] Call Trace:
[   71.290308][   T12]  <TASK>
[   71.290371][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.290528][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.290677][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.290797][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.290929][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.291082][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.291204][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.291328][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.291448][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.291576][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.291696][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.291817][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.291947][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.292067][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.292206][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.292326][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.292445][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.292570][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.292690][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.292812][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.292943][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.293062][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.293186][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.293310][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.293429][   T12]  kthread (kernel/kthread.c:436)
[   71.293527][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.293677][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.293798][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.293928][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.294077][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.294196][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.294315][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.296993][   T12] ------------[ cut here ]------------
| [   71.297117][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.297352][   T12] Modules linked in:
| [   71.297718][   T12] Tainted: [W]=WARN
[   71.297809][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.297969][   T12] Workqueue: netns cleanup_net
[   71.298094][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.298250][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.298682][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.298921][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d150040 RCX: 1ff4000000018ed5
[   71.299177][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1500fc
[   71.299361][   T12] RBP: ff1100001271c000 R08: 1fe2200001a2a021 R09: ff11000001aed1d0
[   71.299621][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.299799][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.299992][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.300280][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.300431][   T12] CR2: 000055dfefed3b98 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   71.300691][   T12] PKRU: 55555554
[   71.300780][   T12] Call Trace:
[   71.300957][   T12]  <TASK>
[   71.301020][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.301177][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.301336][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.301462][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.301585][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.301741][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.301876][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.301999][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.302122][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.302249][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.302372][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.302570][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.302692][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.302814][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.303023][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.303148][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.303268][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.303465][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.303589][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.303787][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.303923][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.304044][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.304172][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.304297][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.304419][   T12]  kthread (kernel/kthread.c:436)
[   71.304513][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.304668][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.304788][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.304921][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.305074][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.305270][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.305393][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.382222][   T12] ------------[ cut here ]------------
| [   71.382363][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.382599][   T12] Modules linked in:
| [   71.382981][   T12] Tainted: [W]=WARN
[   71.383071][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.383219][   T12] Workqueue: netns cleanup_net
[   71.383344][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.383499][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.383963][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.384119][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d151c40 RCX: 1ff4000000018eed
[   71.384300][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d151cfc
[   71.384477][   T12] RBP: ff11000009afc000 R08: 1fe2200001a2a3a1 R09: ff11000001aed1d0
[   71.384659][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.384839][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.385028][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.385239][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.385392][   T12] CR2: 000055dfefed3b98 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   71.385575][   T12] PKRU: 55555554
[   71.385664][   T12] Call Trace:
[   71.385751][   T12]  <TASK>
[   71.385814][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.385980][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.386127][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.386248][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.386369][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.386491][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.386614][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.386734][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.386855][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.386983][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.387099][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.387218][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.387338][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.387462][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.387583][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.387704][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.387827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.387962][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.388084][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.388204][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.388326][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.388448][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.388575][   T12]  kthread (kernel/kthread.c:436)
[   71.388665][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.388810][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.388938][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.389056][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.389203][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.389325][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.389443][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.391649][   T12] ------------[ cut here ]------------
| [   71.391767][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.392042][   T12] Modules linked in:
| [   71.392405][   T12] Tainted: [W]=WARN
[   71.392493][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.392646][   T12] Workqueue: netns cleanup_net
[   71.392768][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.392937][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.393359][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.393508][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8cf000 RCX: 1ff4000000018eed
[   71.393687][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf0bc
[   71.393880][   T12] RBP: ff1100001061c000 R08: 1fe2200001519e19 R09: ff11000001aed1d0
[   71.394059][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.394242][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.394424][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.394633][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.394781][   T12] CR2: 000055dfefed3b98 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   71.394968][   T12] PKRU: 55555554
[   71.395056][   T12] Call Trace:
[   71.395145][   T12]  <TASK>
[   71.395207][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.395359][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.395507][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.395627][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.395748][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.395876][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.395995][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.396114][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.396234][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.396352][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.396470][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.396594][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.396714][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.396831][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.396962][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.397083][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.397201][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.397320][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.397441][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.397562][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.397685][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.397808][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.397938][   T12]  kthread (kernel/kthread.c:436)
[   71.398027][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.398174][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.398297][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.398415][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.398567][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.398685][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.398803][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.400995][   T12] ------------[ cut here ]------------
| [   71.401113][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.401343][   T12] Modules linked in:
| [   71.401702][   T12] Tainted: [W]=WARN
[   71.401791][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.402426][   T12] Workqueue: netns cleanup_net
[   71.402550][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.402705][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.403176][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.403326][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b5c40 RCX: 1ff4000000018eed
[   71.403505][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5cfc
[   71.403681][   T12] RBP: ff11000010bd9000 R08: 1fe2200001e36ba1 R09: ff11000001aed1d0
[   71.403860][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.404081][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.404259][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.404470][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.404666][   T12] CR2: 000055dfefed3b98 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   71.404852][   T12] PKRU: 55555554
[   71.404986][   T12] Call Trace:
[   71.405074][   T12]  <TASK>
[   71.405136][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.405287][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.405432][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.405552][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.405675][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.405792][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.405961][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.406080][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.406203][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.406321][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.406437][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.406559][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.406678][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.406797][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.406974][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.407093][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.407214][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.407334][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.407455][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.407574][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.407695][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.407818][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.407992][   T12]  kthread (kernel/kthread.c:436)
[   71.408082][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.408232][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.408351][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.408468][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.408617][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.408737][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.408862][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.412258][   T12] ------------[ cut here ]------------
| [   71.412421][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   71.412705][   T12] Modules linked in:
| [   71.413184][   T12] Tainted: [W]=WARN
[   71.413321][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.413514][   T12] Workqueue: netns cleanup_net
[   71.413700][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.413920][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.414386][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.414587][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b4e40 RCX: 1ff4000000018eed
[   71.414810][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b4efc
[   71.415126][   T12] RBP: ff1100001046c000 R08: 1fe2200001e369e1 R09: ff11000001aed1d0
[   71.415412][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   71.415715][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.416027][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   71.416350][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.416610][   T12] CR2: 00007ffe367f3818 CR3: 000000000fe3a004 CR4: 0000000000771ef0
[   71.416926][   T12] PKRU: 55555554
[   71.417199][   T12] Call Trace:
[   71.417352][   T12]  <TASK>
[   71.417456][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.417660][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.417858][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.418038][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.418205][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.418371][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.418544][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.418714][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.418903][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.419068][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.419232][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.419398][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.419571][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.419741][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.419926][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.420094][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.420258][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.420426][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.420601][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.420765][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.420954][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.421126][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.421292][   T12]  kthread (kernel/kthread.c:436)
[   71.421427][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.421629][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.421794][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.421978][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.422172][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.422340][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.422504][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.425012][   T12] ------------[ cut here ]------------
| [   71.425176][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   71.425448][   T12] Modules linked in:
| [   71.426774][   T12] Tainted: [W]=WARN
[   71.427036][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.427265][   T12] Workqueue: netns cleanup_net
[   71.427431][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.427638][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.428127][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.428322][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b5e00 RCX: 1ff4000000018eed
[   71.428546][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5ebc
[   71.428764][   T12] RBP: ff11000008341000 R08: 1fe2200001e36bd9 R09: ff11000001aed1d0
[   71.429015][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   71.429234][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.429458][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   71.429718][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.430031][   T12] CR2: 00007ffe367f3818 CR3: 000000000fe3a004 CR4: 0000000000771ef0
[   71.430349][   T12] PKRU: 55555554
[   71.430580][   T12] Call Trace:
[   71.430799][   T12]  <TASK>
[   71.430968][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.431220][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.431460][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.431679][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.431911][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.432122][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.432335][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.432555][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.432766][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.432994][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.433207][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.433420][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.433637][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.433853][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.434075][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.434286][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.434493][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.434710][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.434946][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.435162][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.435376][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.435594][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.435804][   T12]  kthread (kernel/kthread.c:436)
[   71.436006][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.436245][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.436455][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.436674][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.436931][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.437141][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.437350][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.447055][   T12] ------------[ cut here ]------------
| [   71.447226][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   71.447523][   T12] Modules linked in:
| [   71.448024][   T12] Tainted: [W]=WARN
[   71.448166][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.448369][   T12] Workqueue: netns cleanup_net
[   71.448563][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.448772][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.449287][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.449491][   T12] RAX: 00000000ffffffa6 RBX: ff1100000efa0900 RCX: 1ff4000000018eaf
[   71.449726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa09bc
[   71.449977][   T12] RBP: ff11000009821000 R08: 1fe2200001df4139 R09: ff11000001aed1d0
[   71.450210][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   71.450444][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe11000
[   71.450683][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   71.450968][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.451170][   T12] CR2: 00007ffe367f3818 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   71.451403][   T12] PKRU: 55555554
[   71.451550][   T12] Call Trace:
[   71.451690][   T12]  <TASK>
[   71.451802][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.452002][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.452148][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.452350][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.452526][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.452701][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.452893][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.453066][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.453270][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.453474][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.453685][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.453905][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.454078][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.454250][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.454456][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.454640][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.454854][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.455038][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.455214][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.455388][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.455569][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.455740][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.455933][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.456106][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.456280][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.456452][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.456629][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.456835][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.457034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.457208][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.457386][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.457565][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.457743][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.457942][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.458114][   T12]  kthread (kernel/kthread.c:436)
[   71.458256][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.458458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.458652][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.458827][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.459050][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.459223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.459394][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.462434][   T12] ------------[ cut here ]------------
| [   71.462608][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   71.463289][   T12] Modules linked in:
| [   71.463897][   T12] Tainted: [W]=WARN
[   71.464086][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.464337][   T12] Workqueue: netns cleanup_net
[   71.464571][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.464831][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.465414][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.465674][   T12] RAX: 00000000ffffffa6 RBX: ff11000010abba80 RCX: 1ff4000000018eaf
[   71.465966][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abbb3c
[   71.466195][   T12] RBP: ff1100000fe11000 R08: 1fe2200002157769 R09: ff11000001aed1d0
[   71.466427][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   71.466667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010be9000
[   71.466920][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   71.467184][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.467386][   T12] CR2: 00007ffe367f3818 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   71.467629][   T12] PKRU: 55555554
[   71.467768][   T12] Call Trace:
[   71.467930][   T12]  <TASK>
[   71.468043][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.468218][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.468392][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.468538][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.468711][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.468902][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.469078][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.469253][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.469424][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.469636][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.469841][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.470038][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.470241][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.470414][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.470591][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.470795][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.470991][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.471168][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.471342][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.471519][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.471695][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.471886][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.472060][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.472229][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.472402][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.472588][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.472762][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.472954][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.473129][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.473303][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.473480][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.473662][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.473833][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.474033][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.474211][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.474382][   T12]  kthread (kernel/kthread.c:436)
[   71.474525][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.474728][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.474919][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.475096][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.475300][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.475473][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.475652][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.478792][   T12] ------------[ cut here ]------------
| [   71.479409][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   71.479761][   T12] Modules linked in:
| [   71.480349][   T12] Tainted: [W]=WARN
[   71.480546][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.480797][   T12] Workqueue: netns cleanup_net
[   71.481045][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.481306][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.481860][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.482168][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b9631c0 RCX: 1ff4000000018eaf
[   71.482460][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96327c
[   71.482754][   T12] RBP: ff11000010be9000 R08: 1fe220000172c651 R09: ff11000001aed1d0
[   71.483056][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   71.483340][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   71.483632][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   71.483959][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.484240][   T12] CR2: 00007ffe367f3818 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   71.484559][   T12] PKRU: 55555554
[   71.484748][   T12] Call Trace:
[   71.484957][   T12]  <TASK>
[   71.485117][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.485336][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.485566][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.485764][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.486061][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.486330][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.486600][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.486912][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.487253][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.487608][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.487830][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.488023][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.488225][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.488397][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.488578][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.488782][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   71.488980][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.489156][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.489332][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.489503][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.489683][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.489860][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.490048][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.490225][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.490395][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.490575][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.490746][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.490936][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.491109][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.491279][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.491452][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.491633][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.491803][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.492001][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.492177][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.492347][   T12]  kthread (kernel/kthread.c:436)
[   71.492489][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.492696][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.492888][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.493061][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.493263][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.493436][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.493617][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.504204][   T12] ------------[ cut here ]------------
| [   71.504340][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.504588][   T12] Modules linked in:
| [   71.504981][   T12] Tainted: [W]=WARN
[   71.505072][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.505220][   T12] Workqueue: netns cleanup_net
[   71.505345][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.505501][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.505948][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.506098][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52f380 RCX: 1ff4000000018ed5
[   71.506275][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f43c
[   71.506451][   T12] RBP: ff11000009821000 R08: 1fe2200001aa5e89 R09: ff11000001aed1d0
[   71.506635][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.506810][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.506999][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.507208][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.507358][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29005 CR4: 0000000000771ef0
[   71.507541][   T12] PKRU: 55555554
[   71.507631][   T12] Call Trace:
[   71.507724][   T12]  <TASK>
[   71.507787][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.507953][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.508101][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.508221][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.508340][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.508494][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.508617][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.508737][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.508862][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.508989][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.509109][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.509227][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.509346][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.509465][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.509589][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.509712][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.509830][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.509961][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.510079][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.510201][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.510326][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.510445][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.510573][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.510696][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.510815][   T12]  kthread (kernel/kthread.c:436)
[   71.510915][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.511063][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.511187][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.511307][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.511458][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.511579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.511699][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.514138][   T12] ------------[ cut here ]------------
| [   71.514265][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.514496][   T12] Modules linked in:
| [   71.514932][   T12] Tainted: [W]=WARN
[   71.515021][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.515173][   T12] Workqueue: netns cleanup_net
[   71.515296][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.515450][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.515885][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.516033][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52e040 RCX: 1ff4000000018ed5
[   71.516210][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e0fc
[   71.516387][   T12] RBP: ff1100000fe11000 R08: 1fe2200001aa5c21 R09: ff11000001aed1d0
[   71.516568][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.516745][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.516935][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.517140][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.517289][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   71.517469][   T12] PKRU: 55555554
[   71.517561][   T12] Call Trace:
[   71.517654][   T12]  <TASK>
[   71.517715][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.517878][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.518025][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.518147][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.518264][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.518416][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.518543][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.518663][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.518785][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.518913][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.519034][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.519156][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.519273][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.519395][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.519518][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.519637][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.519756][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.519886][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.520003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.520123][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.520245][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.520366][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.520489][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.520614][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.520737][   T12]  kthread (kernel/kthread.c:436)
[   71.520827][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.520984][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.521103][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.521221][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.521368][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.521487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.521606][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.523982][   T12] ------------[ cut here ]------------
| [   71.524109][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.524340][   T12] Modules linked in:
| [   71.524700][   T12] Tainted: [W]=WARN
[   71.524791][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.525445][   T12] Workqueue: netns cleanup_net
[   71.525575][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.525730][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.526205][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.526354][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e4418c0 RCX: 1ff4000000018ed5
[   71.526538][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44197c
[   71.526714][   T12] RBP: ff11000010be9000 R08: 1fe2200001c88331 R09: ff11000001aed1d0
[   71.526940][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.527115][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.527293][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.527500][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.527651][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   71.527828][   T12] PKRU: 55555554
[   71.527966][   T12] Call Trace:
[   71.528054][   T12]  <TASK>
[   71.528115][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.528270][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.528416][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.528537][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.528654][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   71.528804][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.528978][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.529097][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.529222][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.529341][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.529460][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.529580][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.529698][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.529817][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.529991][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.530112][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.530229][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.530348][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.530466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.530590][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.530717][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.530834][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.531011][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.531135][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.531252][   T12]  kthread (kernel/kthread.c:436)
[   71.531342][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.531488][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.531608][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.531727][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.531925][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.532043][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.532166][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.568678][   T12] ------------[ cut here ]------------
| [   71.568808][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.569051][   T12] Modules linked in:
| [   71.569413][   T12] Tainted: [W]=WARN
[   71.569502][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.569655][   T12] Workqueue: netns cleanup_net
[   71.569777][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.569939][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.570368][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.570517][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636740 RCX: 1ff4000000018eed
[   71.570692][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6367fc
[   71.570879][   T12] RBP: ff1100001276c000 R08: 1fe2200001ac6d01 R09: ff11000001aed1d0
[   71.571053][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.571235][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.571412][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.571620][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.571767][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   71.571953][   T12] PKRU: 55555554
[   71.572041][   T12] Call Trace:
[   71.572129][   T12]  <TASK>
[   71.572191][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.572340][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.572486][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.572605][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.572724][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.572840][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.572966][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.573084][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.573203][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.573320][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.573440][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.573567][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.573683][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.573802][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.573936][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.574056][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.574181][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.574300][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.574428][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.574552][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.574669][   T12]  kthread (kernel/kthread.c:436)
[   71.574757][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.574910][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.575029][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.575146][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.575299][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.575417][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.575537][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.577722][   T12] ------------[ cut here ]------------
| [   71.577842][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.578082][   T12] Modules linked in:
| [   71.578437][   T12] Tainted: [W]=WARN
[   71.578530][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.578677][   T12] Workqueue: netns cleanup_net
[   71.578799][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.578965][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.579381][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.579532][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637a80 RCX: 1ff4000000018eed
[   71.579706][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637b3c
[   71.579892][   T12] RBP: ff110000095e9000 R08: 1fe2200001ac6f69 R09: ff11000001aed1d0
[   71.580068][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.580243][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.580416][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.580623][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.580770][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   71.580954][   T12] PKRU: 55555554
[   71.581041][   T12] Call Trace:
[   71.581128][   T12]  <TASK>
[   71.581189][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.581340][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.581493][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.581617][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.581739][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.581859][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.581984][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.582102][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.582221][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.582337][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.582456][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.582576][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.582692][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.582810][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.582936][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.583055][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.583176][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.583293][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.583414][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.583539][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.583660][   T12]  kthread (kernel/kthread.c:436)
[   71.583748][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.583904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.584022][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.584139][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.584286][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.584402][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.584521][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.586678][   T12] ------------[ cut here ]------------
| [   71.586794][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.587032][   T12] Modules linked in:
| [   71.587384][   T12] Tainted: [W]=WARN
[   71.587472][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.587621][   T12] Workqueue: netns cleanup_net
[   71.587742][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.587906][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.588323][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.588471][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637380 RCX: 1ff4000000018eed
[   71.588657][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63743c
[   71.588830][   T12] RBP: ff11000009691000 R08: 1fe2200001ac6e89 R09: ff11000001aed1d0
[   71.589016][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.589190][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.589364][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.589570][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.589715][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   71.589902][   T12] PKRU: 55555554
[   71.589990][   T12] Call Trace:
[   71.590078][   T12]  <TASK>
[   71.590139][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.590287][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.590431][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.590548][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.590665][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.590780][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.590910][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.591027][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.591145][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.591259][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.591379][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.591496][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.591616][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.591733][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.591853][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.591978][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.592098][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.592214][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.592336][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.592456][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.592585][   T12]  kthread (kernel/kthread.c:436)
[   71.592674][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.592819][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.592947][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.593065][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.593209][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.593325][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.593441][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.595420][   T12] ------------[ cut here ]------------
| [   71.595542][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.595772][   T12] Modules linked in:
| [   71.596134][   T12] Tainted: [W]=WARN
[   71.596222][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.596368][   T12] Workqueue: netns cleanup_net
[   71.596489][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.596646][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.597079][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.597225][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6363c0 RCX: 1ff4000000018eed
[   71.597400][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63647c
[   71.597577][   T12] RBP: ff1100000fd24000 R08: 1fe2200001ac6c91 R09: ff11000001aed1d0
[   71.597752][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.597937][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.598129][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.598331][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.598477][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   71.598658][   T12] PKRU: 55555554
[   71.598747][   T12] Call Trace:
[   71.598835][   T12]  <TASK>
[   71.598908][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.599058][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.599205][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.599323][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.599439][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.599560][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.599678][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.599797][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.599934][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.600049][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.600171][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.600289][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.600406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.600527][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.600646][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.600766][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.600896][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.601015][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.601137][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.601260][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.601377][   T12]  kthread (kernel/kthread.c:436)
[   71.601466][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.601616][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.601735][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.601855][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.602018][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.602136][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.602254][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.604229][   T12] ------------[ cut here ]------------
| [   71.604347][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   71.604579][   T12] Modules linked in:
| [   71.604954][   T12] Tainted: [W]=WARN
[   71.605043][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.605189][   T12] Workqueue: netns cleanup_net
[   71.605310][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.605463][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.605892][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   71.606040][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d636040 RCX: 1ff4000000018eed
[   71.606217][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6360fc
[   71.606392][   T12] RBP: ff1100000973c000 R08: 1fe2200001ac6c21 R09: ff11000001aed1d0
[   71.606571][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   71.606747][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.606948][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.607153][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.607299][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d004 CR4: 0000000000771ef0
[   71.607478][   T12] PKRU: 55555554
[   71.607569][   T12] Call Trace:
[   71.607658][   T12]  <TASK>
[   71.607719][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.607878][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.608023][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   71.608141][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   71.608260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   71.608375][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   71.608492][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   71.608616][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   71.608733][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.608854][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.608980][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.609103][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.609219][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.609338][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.609610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.609730][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.609856][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.609980][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.610317][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.610444][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.610565][   T12]  kthread (kernel/kthread.c:436)
[   71.610653][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.610804][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.610931][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.611048][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.611195][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.611311][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.611430][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.627690][   T12] ------------[ cut here ]------------
| [   71.627827][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.628091][   T12] Modules linked in:
| [   71.628477][   T12] Tainted: [W]=WARN
[   71.628578][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.628735][   T12] Workqueue: netns cleanup_net
[   71.628875][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.629038][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.629501][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.629669][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceec580 RCX: 1ff4000000018eaf
[   71.629862][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec63c
[   71.630058][   T12] RBP: ff1100000601c000 R08: 1fe22000019dd8c9 R09: ff11000001aed1d0
[   71.630249][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   71.630436][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124b9000
[   71.630627][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.630852][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.631016][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   71.631207][   T12] PKRU: 55555554
[   71.631302][   T12] Call Trace:
[   71.631395][   T12]  <TASK>
[   71.631460][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.631593][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.631689][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.631817][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.631956][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.632114][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.632241][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   71.632371][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.632535][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.632694][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   71.632824][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.632964][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.633092][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.633218][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.633343][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.633475][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.633611][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.633736][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.633877][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.634003][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.634128][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.634256][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.634382][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.634514][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.634644][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.634770][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.634912][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.635048][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.635174][   T12]  kthread (kernel/kthread.c:436)
[   71.635269][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.635425][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.635552][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.635679][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.635843][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.636031][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.636159][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.638244][   T12] ------------[ cut here ]------------
| [   71.638368][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.638616][   T12] Modules linked in:
| [   71.639005][   T12] Tainted: [W]=WARN
[   71.639101][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.639257][   T12] Workqueue: netns cleanup_net
[   71.639384][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.639549][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.640014][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.640171][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceece40 RCX: 1ff4000000018eaf
[   71.640359][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceecefc
[   71.640552][   T12] RBP: ff110000124b9000 R08: 1fe22000019dd9e1 R09: ff11000001aed1d0
[   71.640742][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   71.640941][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edfc000
[   71.641129][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.641355][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.641518][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   71.641706][   T12] PKRU: 55555554
[   71.641799][   T12] Call Trace:
[   71.641904][   T12]  <TASK>
[   71.641970][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.642095][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.642221][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.642317][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.642444][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.642574][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.642730][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.642859][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   71.642995][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.643156][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.643313][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   71.643440][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.643569][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.643696][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.643822][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.643958][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.644085][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.644212][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.644335][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.644464][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.644593][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.644717][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.644844][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.645033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.645210][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.645339][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.645464][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.645597][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.645725][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.645856][   T12]  kthread (kernel/kthread.c:436)
[   71.646000][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.646156][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.646281][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.646405][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.646564][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.646689][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.646813][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.648832][   T12] ------------[ cut here ]------------
| [   71.649390][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.649634][   T12] Modules linked in:
| [   71.650080][   T12] Tainted: [W]=WARN
[   71.650174][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.650328][   T12] Workqueue: netns cleanup_net
[   71.650511][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.650673][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.651200][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   71.651357][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceed700 RCX: 1ff4000000018eaf
[   71.651545][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed7bc
[   71.651732][   T12] RBP: ff1100000edfc000 R08: 1fe22000019ddaf9 R09: ff11000001aed1d0
[   71.651973][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   71.652157][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   71.652344][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.652567][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.652723][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   71.652986][   T12] PKRU: 55555554
[   71.653080][   T12] Call Trace:
[   71.653172][   T12]  <TASK>
[   71.653237][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.653360][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.653486][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.653581][   T12]  netif_close_many (net/core/dev.c:1804)
[   71.653706][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   71.653831][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   71.654045][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.654168][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   71.654292][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   71.654449][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.654608][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   71.654731][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.654860][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.655037][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.655161][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.655285][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.655410][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.655540][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.655663][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.655788][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.655997][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.656118][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.656244][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.656366][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.656493][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.656623][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.656745][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.656940][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.657067][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.657190][   T12]  kthread (kernel/kthread.c:436)
[   71.657283][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.657438][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.657565][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.657688][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.657842][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.658053][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.658177][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.661024][   T12] ------------[ cut here ]------------
| [   71.661147][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.661381][   T12] Modules linked in:
| [   71.661753][   T12] Tainted: [W]=WARN
[   71.661843][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.662002][   T12] Workqueue: netns cleanup_net
[   71.662125][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.662280][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.662712][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.662874][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a00e40 RCX: 1ff4000000018ed5
[   71.663050][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a00efc
[   71.663229][   T12] RBP: ff1100000601c000 R08: 1fe22000013401e1 R09: ff11000001aed1d0
[   71.663404][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.663581][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.663757][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.663977][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.664126][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   71.664303][   T12] PKRU: 55555554
[   71.664391][   T12] Call Trace:
[   71.664484][   T12]  <TASK>
[   71.664547][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.664704][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.664862][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   71.664987][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.665105][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.665224][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.665347][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.665465][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.665587][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.665709][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.665830][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.665964][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.666082][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.666200][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.666319][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.666436][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.666560][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.666684][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.666802][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.666936][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.667059][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.667179][   T12]  kthread (kernel/kthread.c:436)
[   71.667270][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.667417][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.667541][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.667660][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.667812][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.667940][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.668059][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.670396][   T12] ------------[ cut here ]------------
| [   71.670518][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.670747][   T12] Modules linked in:
| [   71.671115][   T12] Tainted: [W]=WARN
[   71.671204][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.671351][   T12] Workqueue: netns cleanup_net
[   71.671473][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.671630][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.672062][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.672211][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01a80 RCX: 1ff4000000018ed5
[   71.672388][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a01b3c
[   71.672567][   T12] RBP: ff110000124b9000 R08: 1fe2200001340369 R09: ff11000001aed1d0
[   71.672742][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.672927][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.673104][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.673310][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.673460][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   71.673638][   T12] PKRU: 55555554
[   71.673726][   T12] Call Trace:
[   71.673813][   T12]  <TASK>
[   71.673886][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.674039][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.674188][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   71.674306][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.674426][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.674548][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.674667][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.674783][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.674912][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.675032][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.675152][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.675272][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.675390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.675512][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.675632][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.675750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.675881][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.676002][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.676122][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.676245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.676368][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.676490][   T12]  kthread (kernel/kthread.c:436)
[   71.676582][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.676728][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.676851][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.676977][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.677125][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.677243][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.677360][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.680679][   T12] ------------[ cut here ]------------
| [   71.680797][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   71.681046][   T12] Modules linked in:
| [   71.681410][   T12] Tainted: [W]=WARN
[   71.681503][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.681653][   T12] Workqueue: netns cleanup_net
[   71.681778][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.681944][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.682372][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   71.682521][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27380 RCX: 1ff4000000018ed5
[   71.682701][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2743c
[   71.682887][   T12] RBP: ff1100000edfc000 R08: 1fe2200001b84e89 R09: ff11000001aed1d0
[   71.683065][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.683243][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.683420][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   71.683631][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.683780][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   71.683969][   T12] PKRU: 55555554
[   71.684058][   T12] Call Trace:
[   71.684146][   T12]  <TASK>
[   71.684208][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   71.684361][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   71.684515][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   71.684636][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.684758][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   71.684891][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   71.685014][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   71.685133][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.685253][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   71.685374][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.685492][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.685617][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   71.685742][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.685864][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   71.685990][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.686110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.686230][   T12]  process_one_work (kernel/workqueue.c:3314)
[   71.686351][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.686469][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.686596][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.686719][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.686838][   T12]  kthread (kernel/kthread.c:436)
[   71.686942][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.687089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.687209][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.687328][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.687476][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.687599][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.687717][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.862218][ T1316] ------------[ cut here ]------------
| [   71.862381][ T1316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1316
| [   71.862644][ T1316] Modules linked in:
| [   71.863035][ T1316] Tainted: [W]=WARN
[   71.863133][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.863297][ T1316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.863466][ T1316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.863947][ T1316] RSP: 0018:ffa0000003697a80 EFLAGS: 00010286
[   71.864113][ T1316] RAX: 00000000ffffffa6 RBX: ff1100000d31b380 RCX: 1ff40000006d2f16
[   71.864310][ T1316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b43c
[   71.864507][ T1316] RBP: ff110000100c4000 R08: 1fe2200001a63689 R09: ff11000009a95180
[   71.864702][ T1316] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.864908][ T1316] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100c4000
[   71.865105][ T1316] FS:  00007f56c3782840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.865335][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.865500][ T1316] CR2: 000055dfdb5e2d5c CR3: 000000000d541005 CR4: 0000000000771ef0
[   71.865700][ T1316] PKRU: 55555554
[   71.865798][ T1316] Call Trace:
[   71.865909][ T1316]  <TASK>
[   71.865978][ T1316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.866109][ T1316]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.866242][ T1316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.866342][ T1316]  register_netdevice (net/core/dev.c:11488)
[   71.866478][ T1316]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.866645][ T1316]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.866777][ T1316]  register_netdev (net/core/dev.c:11552)
[   71.866917][ T1316]  loopback_net_init (drivers/net/loopback.c:218)
[   71.867048][ T1316]  ops_init (net/core/net_namespace.c:137)
[   71.867148][ T1316]  setup_net (net/core/net_namespace.c:446)
[   71.867247][ T1316]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.867376][ T1316]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.867507][ T1316]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.867641][ T1316]  copy_net_ns (net/core/net_namespace.c:579)
[   71.867771][ T1316]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.867916][ T1316]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.868048][ T1316]  ksys_unshare (kernel/fork.c:3243)
[   71.868180][ T1316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.868311][ T1316]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.868442][ T1316]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.868579][ T1316]  ? __ia32_sys_open (fs/open.c:1374)
[   71.868712][ T1316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.868841][ T1316]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.868984][ T1316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.869115][ T1316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.869248][ T1316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.869380][ T1316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.869545][ T1316] RIP: 0033:0x7f56c3a44bcb
[   71.869684][ T1316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   71.870163][ T1316] RSP: 002b:00007ffc81792ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.870362][ T1316] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56c3a44bcb
[   71.870560][ T1316] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.870755][ T1316] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.870964][ T1316] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81794cf0
[   71.871161][ T1316] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81795847
| [   71.875388][ T1316] ------------[ cut here ]------------
| [   71.875527][ T1316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1316
| [   71.875786][ T1316] Modules linked in:
| [   71.876160][ T1316] Tainted: [W]=WARN
[   71.876259][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.876420][ T1316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.876592][ T1316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.877064][ T1316] RSP: 0018:ffa0000003697918 EFLAGS: 00010286
[   71.877227][ T1316] RAX: 00000000ffffffa6 RBX: ff110000109b8c80 RCX: 1ff40000006d2ee9
[   71.877423][ T1316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8d3c
[   71.877620][ T1316] RBP: ff11000009b01000 R08: 1fe22000021371a9 R09: ff11000009a95180
[   71.877814][ T1316] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.878020][ T1316] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b01000
[   71.878218][ T1316] FS:  00007f56c3782840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.878448][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.878613][ T1316] CR2: 000055dfdb5e2d5c CR3: 000000000d541005 CR4: 0000000000771ef0
[   71.878809][ T1316] PKRU: 55555554
[   71.878916][ T1316] Call Trace:
[   71.879015][ T1316]  <TASK>
[   71.879082][ T1316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.879212][ T1316]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.879343][ T1316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.879442][ T1316]  register_netdevice (net/core/dev.c:11488)
[   71.879578][ T1316]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.879737][ T1316]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.879881][ T1316]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   71.880012][ T1316]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   71.880141][ T1316]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   71.880271][ T1316]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   71.880400][ T1316]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   71.880534][ T1316]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   71.880666][ T1316]  ops_init (net/core/net_namespace.c:137)
[   71.880766][ T1316]  setup_net (net/core/net_namespace.c:446)
[   71.880875][ T1316]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.881005][ T1316]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.881134][ T1316]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.881266][ T1316]  copy_net_ns (net/core/net_namespace.c:579)
[   71.881396][ T1316]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.881533][ T1316]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.881665][ T1316]  ksys_unshare (kernel/fork.c:3243)
[   71.881795][ T1316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.881936][ T1316]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.882065][ T1316]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.882198][ T1316]  ? __ia32_sys_open (fs/open.c:1374)
[   71.882330][ T1316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.882458][ T1316]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.882588][ T1316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.882718][ T1316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.882854][ T1316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.882989][ T1316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.883149][ T1316] RIP: 0033:0x7f56c3a44bcb
[   71.883282][ T1316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   71.883747][ T1316] RSP: 002b:00007ffc81792ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.883953][ T1316] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56c3a44bcb
[   71.884146][ T1316] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.884338][ T1316] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.884534][ T1316] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81794cf0
[   71.884726][ T1316] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81795847
| [   71.888524][ T1316] ------------[ cut here ]------------
| [   71.888659][ T1316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1316
| [   71.889059][ T1316] Modules linked in:
| [   71.889426][ T1316] Tainted: [W]=WARN
[   71.889531][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.889695][ T1316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.889877][ T1316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.890347][ T1316] RSP: 0018:ffa00000036978f8 EFLAGS: 00010286
[   71.890514][ T1316] RAX: 00000000ffffffa6 RBX: ff1100000c04b540 RCX: 1ff40000006d2ee5
[   71.890708][ T1316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b5fc
[   71.890914][ T1316] RBP: ff11000010619000 R08: 1fe22000018096c1 R09: ff11000009a95180
[   71.891110][ T1316] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.891307][ T1316] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010619000
[   71.891505][ T1316] FS:  00007f56c3782840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.891736][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.891915][ T1316] CR2: 000055dfdb5e2d5c CR3: 000000000d541005 CR4: 0000000000771ef0
[   71.892113][ T1316] PKRU: 55555554
[   71.892211][ T1316] Call Trace:
[   71.892309][ T1316]  <TASK>
[   71.892377][ T1316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.892513][ T1316]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.892643][ T1316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.892743][ T1316]  register_netdevice (net/core/dev.c:11488)
[   71.892884][ T1316]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.893047][ T1316]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.893180][ T1316]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   71.893311][ T1316]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   71.893445][ T1316]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   71.893582][ T1316]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   71.893714][ T1316]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   71.893846][ T1316]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   71.893991][ T1316]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.894125][ T1316]  vti_init_net (net/ipv4/ip_vti.c:517)
[   71.894259][ T1316]  ops_init (net/core/net_namespace.c:137)
[   71.894360][ T1316]  setup_net (net/core/net_namespace.c:446)
[   71.894458][ T1316]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.894593][ T1316]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.894724][ T1316]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.894864][ T1316]  copy_net_ns (net/core/net_namespace.c:579)
[   71.895002][ T1316]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.895135][ T1316]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.895267][ T1316]  ksys_unshare (kernel/fork.c:3243)
[   71.895400][ T1316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.895534][ T1316]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.895667][ T1316]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.895797][ T1316]  ? __ia32_sys_open (fs/open.c:1374)
[   71.895944][ T1316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.896073][ T1316]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.896203][ T1316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.896332][ T1316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.896464][ T1316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.896599][ T1316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.896762][ T1316] RIP: 0033:0x7f56c3a44bcb
[   71.896909][ T1316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   71.897376][ T1316] RSP: 002b:00007ffc81792ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.897576][ T1316] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56c3a44bcb
[   71.897769][ T1316] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.897976][ T1316] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.898171][ T1316] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81794cf0
[   71.898367][ T1316] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81795847
| [   71.902437][ T1316] ------------[ cut here ]------------
| [   71.902574][ T1316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1316
| [   71.902828][ T1316] Modules linked in:
| [   71.903200][ T1316] Tainted: [W]=WARN
[   71.903300][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.903460][ T1316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.903631][ T1316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.904103][ T1316] RSP: 0018:ffa0000003697a78 EFLAGS: 00010286
[   71.904268][ T1316] RAX: 00000000ffffffa6 RBX: ff1100000d31a040 RCX: 1ff40000006d2f15
[   71.904461][ T1316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a0fc
[   71.904658][ T1316] RBP: ff11000006001000 R08: 1fe2200001a63421 R09: ff11000009a95180
[   71.904855][ T1316] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.905053][ T1316] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006001000
[   71.905249][ T1316] FS:  00007f56c3782840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.905476][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.905643][ T1316] CR2: 000055dfdb5e2d5c CR3: 000000000d541005 CR4: 0000000000771ef0
[   71.905840][ T1316] PKRU: 55555554
[   71.905945][ T1316] Call Trace:
[   71.906042][ T1316]  <TASK>
[   71.906108][ T1316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.906238][ T1316]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.906368][ T1316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.906467][ T1316]  register_netdevice (net/core/dev.c:11488)
[   71.906602][ T1316]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.906763][ T1316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.906904][ T1316]  register_netdev (net/core/dev.c:11552)
[   71.907034][ T1316]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   71.907166][ T1316]  ops_init (net/core/net_namespace.c:137)
[   71.907265][ T1316]  setup_net (net/core/net_namespace.c:446)
[   71.907363][ T1316]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.907490][ T1316]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.907624][ T1316]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.907756][ T1316]  copy_net_ns (net/core/net_namespace.c:579)
[   71.907897][ T1316]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.908030][ T1316]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.908160][ T1316]  ksys_unshare (kernel/fork.c:3243)
[   71.908288][ T1316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.908416][ T1316]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.908549][ T1316]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.908679][ T1316]  ? __ia32_sys_open (fs/open.c:1374)
[   71.908811][ T1316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.908949][ T1316]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.909079][ T1316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.909208][ T1316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.909338][ T1316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.909466][ T1316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.909631][ T1316] RIP: 0033:0x7f56c3a44bcb
[   71.909765][ T1316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   71.910237][ T1316] RSP: 002b:00007ffc81792ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.910431][ T1316] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56c3a44bcb
[   71.910629][ T1316] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.910821][ T1316] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.911027][ T1316] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81794cf0
[   71.911219][ T1316] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81795847
| [   71.915279][ T1316] ------------[ cut here ]------------
| [   71.915414][ T1316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1316
| [   71.915674][ T1316] Modules linked in:
| [   71.916042][ T1316] Tainted: [W]=WARN
[   71.916140][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.916300][ T1316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.916466][ T1316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.916938][ T1316] RSP: 0018:ffa0000003697a68 EFLAGS: 00010286
[   71.917100][ T1316] RAX: 00000000ffffffa6 RBX: ff1100000ca8c580 RCX: 1ff40000006d2f13
[   71.917292][ T1316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8c63c
[   71.917485][ T1316] RBP: ff11000010471000 R08: 1fe22000019518c9 R09: ff11000009a95180
[   71.917678][ T1316] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.917880][ T1316] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010471000
[   71.918074][ T1316] FS:  00007f56c3782840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.918300][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.918462][ T1316] CR2: 000055dfdb5e2d5c CR3: 000000000d541005 CR4: 0000000000771ef0
[   71.918661][ T1316] PKRU: 55555554
[   71.918758][ T1316] Call Trace:
[   71.918859][ T1316]  <TASK>
[   71.918934][ T1316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.919063][ T1316]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.919194][ T1316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.919293][ T1316]  register_netdevice (net/core/dev.c:11488)
[   71.919423][ T1316]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.919588][ T1316]  register_netdev (net/core/dev.c:11552)
[   71.919717][ T1316]  sit_init_net (net/ipv6/sit.c:1860)
[   71.919854][ T1316]  ops_init (net/core/net_namespace.c:137)
[   71.919959][ T1316]  setup_net (net/core/net_namespace.c:446)
[   71.920058][ T1316]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.920187][ T1316]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.920317][ T1316]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.920448][ T1316]  copy_net_ns (net/core/net_namespace.c:579)
[   71.920582][ T1316]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.920714][ T1316]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.920844][ T1316]  ksys_unshare (kernel/fork.c:3243)
[   71.920989][ T1316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.921118][ T1316]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.921249][ T1316]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.921379][ T1316]  ? __ia32_sys_open (fs/open.c:1374)
[   71.921515][ T1316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.921645][ T1316]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.921774][ T1316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.921914][ T1316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.922043][ T1316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.922171][ T1316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.922329][ T1316] RIP: 0033:0x7f56c3a44bcb
[   71.922462][ T1316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   71.922939][ T1316] RSP: 002b:00007ffc81792ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.923135][ T1316] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56c3a44bcb
[   71.923327][ T1316] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.923521][ T1316] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.923716][ T1316] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81794cf0
[   71.923921][ T1316] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81795847
| [   71.928493][ T1316] ------------[ cut here ]------------
| [   71.928634][ T1316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1316
| [   71.928897][ T1316] Modules linked in:
| [   71.929257][ T1316] Tainted: [W]=WARN
[   71.929354][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.929519][ T1316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.929686][ T1316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.930153][ T1316] RSP: 0018:ffa0000003697a78 EFLAGS: 00010286
[   71.930317][ T1316] RAX: 00000000ffffffa6 RBX: ff1100000b962e40 RCX: 1ff40000006d2f15
[   71.930514][ T1316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962efc
[   71.930707][ T1316] RBP: ff1100000968c000 R08: 1fe220000172c5e1 R09: ff11000009a95180
[   71.930912][ T1316] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.931105][ T1316] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000968c000
[   71.931299][ T1316] FS:  00007f56c3782840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   71.931529][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.931690][ T1316] CR2: 000055dfdb5e2d5c CR3: 000000000d541005 CR4: 0000000000771ef0
[   71.931895][ T1316] PKRU: 55555554
[   71.931995][ T1316] Call Trace:
[   71.932091][ T1316]  <TASK>
[   71.932158][ T1316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.932287][ T1316]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.932416][ T1316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.932518][ T1316]  register_netdevice (net/core/dev.c:11488)
[   71.932650][ T1316]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.932808][ T1316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.932953][ T1316]  register_netdev (net/core/dev.c:11552)
[   71.933081][ T1316]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   71.933211][ T1316]  ops_init (net/core/net_namespace.c:137)
[   71.933309][ T1316]  setup_net (net/core/net_namespace.c:446)
[   71.933408][ T1316]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.933541][ T1316]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.933669][ T1316]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.933800][ T1316]  copy_net_ns (net/core/net_namespace.c:579)
[   71.933941][ T1316]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.934072][ T1316]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.934201][ T1316]  ksys_unshare (kernel/fork.c:3243)
[   71.934329][ T1316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.934457][ T1316]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.934588][ T1316]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.934719][ T1316]  ? __ia32_sys_open (fs/open.c:1374)
[   71.934854][ T1316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.934989][ T1316]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.935117][ T1316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.935245][ T1316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.935375][ T1316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.935505][ T1316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.935665][ T1316] RIP: 0033:0x7f56c3a44bcb
[   71.935799][ T1316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   71.936269][ T1316] RSP: 002b:00007ffc81792ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.936462][ T1316] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f56c3a44bcb
[   71.936659][ T1316] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.936855][ T1316] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.937051][ T1316] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc81794cf0
[   71.937243][ T1316] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc81795847
| [   71.975612][ T1317] ------------[ cut here ]------------
| [   71.975757][ T1317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1317
| [   71.976024][ T1317] Modules linked in:
| [   71.976385][ T1317] Tainted: [W]=WARN
[   71.976482][ T1317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.976646][ T1317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.976814][ T1317] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   71.977285][ T1317] RSP: 0018:ffa0000003ce7020 EFLAGS: 00010286
[   71.977449][ T1317] RAX: 00000000ffffffa6 RBX: ff1100000b7d4ac0 RCX: 1ff400000079cdca
[   71.977644][ T1317] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4b7c
[   71.977835][ T1317] RBP: ff110000100c4000 R08: 1fe22000016fa971 R09: ff11000010888b58
[   71.978040][ T1317] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   71.978233][ T1317] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   71.978427][ T1317] FS:  00007f90d78ed840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   71.978657][ T1317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.978820][ T1317] CR2: 0000000009d88988 CR3: 0000000010b10005 CR4: 0000000000771ef0
[   71.979028][ T1317] PKRU: 55555554
[   71.979124][ T1317] Call Trace:
[   71.979221][ T1317]  <TASK>
[   71.979288][ T1317]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.979421][ T1317]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.979521][ T1317]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.979650][ T1317]  __dev_notify_flags (net/core/dev.c:9787)
[   71.979782][ T1317]  ? netif_change_name (net/core/dev.c:1495)
[   71.979922][ T1317]  ? __dev_change_flags (net/core/dev.c:9752)
[   71.980051][ T1317]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   71.980180][ T1317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.980310][ T1317]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   71.980442][ T1317]  netif_change_flags (net/core/dev.c:9820)
[   71.980577][ T1317]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   71.980707][ T1317]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   71.980840][ T1317]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   71.980980][ T1317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   71.981144][ T1317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.981274][ T1317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.981403][ T1317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.981536][ T1317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.981668][ T1317]  ? __kernel_text_address (kernel/extable.c:79)
[   71.981798][ T1317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.981942][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.982070][ T1317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.982201][ T1317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.982331][ T1317]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.982460][ T1317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.982594][ T1317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.982723][ T1317]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   71.982858][ T1317]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   71.982995][ T1317]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   71.983124][ T1317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.983254][ T1317]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   71.983386][ T1317]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   71.983522][ T1317]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.983654][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.983783][ T1317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.983923][ T1317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.984052][ T1317]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.984182][ T1317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.984315][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.984443][ T1317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.984577][ T1317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.984707][ T1317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.984837][ T1317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.984976][ T1317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.985106][ T1317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.985238][ T1317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.985368][ T1317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.985501][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.985634][ T1317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.985765][ T1317]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.985903][ T1317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.986033][ T1317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.986166][ T1317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   71.986297][ T1317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   71.986429][ T1317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.986564][ T1317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.986694][ T1317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.986827][ T1317]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.986968][ T1317]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.987101][ T1317]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.987235][ T1317]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.987366][ T1317]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.987497][ T1317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.987662][ T1317]  ? move_addr_to_kernel (net/socket.c:258)
[   71.987795][ T1317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.987935][ T1317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.988065][ T1317]  ___sys_sendmsg (net/socket.c:2752)
[   71.988196][ T1317]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   71.988357][ T1317]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.988499][ T1317]  __sys_sendmsg (net/socket.c:2784)
[   71.988634][ T1317]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.988764][ T1317]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   71.988938][ T1317]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.989068][ T1317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.989201][ T1317]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.989330][ T1317]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.989459][ T1317]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.989593][ T1317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.989754][ T1317] RIP: 0033:0x7f90d7b2708e
[   71.989902][ T1317] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   71.990365][ T1317] RSP: 002b:00007ffd945f6330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.990565][ T1317] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f90d7b2708e
[   71.990759][ T1317] RDX: 0000000000000000 RSI: 00007ffd945f63e0 RDI: 0000000000000005
[   71.990965][ T1317] RBP: 00007ffd945f6340 R08: 0000000000000000 R09: 0000000000000000
[   71.991162][ T1317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd34
[   71.991355][ T1317] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd945f6ab0
| [   72.188007][ T1325] ------------[ cut here ]------------
| [   72.188181][ T1325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1325
| [   72.188442][ T1325] Modules linked in:
| [   72.188815][ T1325] Tainted: [W]=WARN
[   72.188924][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.189088][ T1325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.189257][ T1325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.189728][ T1325] RSP: 0018:ffa0000003d57a80 EFLAGS: 00010286
[   72.189903][ T1325] RAX: 00000000ffffffa6 RBX: ff1100000ceec040 RCX: 1ff40000007aaf16
[   72.190098][ T1325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec0fc
[   72.190297][ T1325] RBP: ff1100000ffe4000 R08: 1fe22000019dd821 R09: ff1100000dcf5180
[   72.190492][ T1325] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   72.190694][ T1325] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe4000
[   72.190902][ T1325] FS:  00007fc24ef5b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   72.191132][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.191294][ T1325] CR2: 00007fc24f15cc20 CR3: 0000000008cfd003 CR4: 0000000000771ef0
[   72.191493][ T1325] PKRU: 55555554
[   72.191595][ T1325] Call Trace:
[   72.191692][ T1325]  <TASK>
[   72.191760][ T1325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.191901][ T1325]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.192034][ T1325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.192134][ T1325]  register_netdevice (net/core/dev.c:11488)
[   72.192266][ T1325]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.192427][ T1325]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.192563][ T1325]  register_netdev (net/core/dev.c:11552)
[   72.192693][ T1325]  loopback_net_init (drivers/net/loopback.c:218)
[   72.192826][ T1325]  ops_init (net/core/net_namespace.c:137)
[   72.192939][ T1325]  setup_net (net/core/net_namespace.c:446)
[   72.193037][ T1325]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.193166][ T1325]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.193297][ T1325]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.193430][ T1325]  copy_net_ns (net/core/net_namespace.c:579)
[   72.193564][ T1325]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.193697][ T1325]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.193829][ T1325]  ksys_unshare (kernel/fork.c:3243)
[   72.193974][ T1325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.194105][ T1325]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.194235][ T1325]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.194367][ T1325]  ? __ia32_sys_open (fs/open.c:1374)
[   72.194499][ T1325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.194632][ T1325]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.194764][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.194903][ T1325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.195033][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.195163][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.195325][ T1325] RIP: 0033:0x7fc24f21dbcb
[   72.195461][ T1325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.195939][ T1325] RSP: 002b:00007ffd3cff9f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.196135][ T1325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc24f21dbcb
[   72.196327][ T1325] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.196522][ T1325] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.196715][ T1325] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3cffc190
[   72.196915][ T1325] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3cffc847
| [   72.201104][ T1325] ------------[ cut here ]------------
| [   72.201240][ T1325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1325
| [   72.201502][ T1325] Modules linked in:
| [   72.202068][ T1325] Tainted: [W]=WARN
[   72.202169][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.202333][ T1325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.202502][ T1325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.202978][ T1325] RSP: 0018:ffa0000003d57918 EFLAGS: 00010286
[   72.203143][ T1325] RAX: 00000000ffffffa6 RBX: ff110000105f3c40 RCX: 1ff40000007aaee9
[   72.203336][ T1325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f3cfc
[   72.203532][ T1325] RBP: ff110000057ac000 R08: 1fe22000020be7a1 R09: ff1100000dcf5180
[   72.203729][ T1325] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   72.203933][ T1325] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057ac000
[   72.204127][ T1325] FS:  00007fc24ef5b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   72.204351][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.204518][ T1325] CR2: 00007fc24f15cc20 CR3: 0000000008cfd003 CR4: 0000000000771ef0
[   72.204714][ T1325] PKRU: 55555554
[   72.204810][ T1325] Call Trace:
[   72.204917][ T1325]  <TASK>
[   72.204987][ T1325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.205119][ T1325]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.205250][ T1325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.205348][ T1325]  register_netdevice (net/core/dev.c:11488)
[   72.205479][ T1325]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.205642][ T1325]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.205773][ T1325]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   72.205914][ T1325]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   72.206045][ T1325]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   72.206176][ T1325]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   72.206306][ T1325]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   72.206437][ T1325]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   72.206572][ T1325]  ops_init (net/core/net_namespace.c:137)
[   72.206672][ T1325]  setup_net (net/core/net_namespace.c:446)
[   72.206771][ T1325]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.206915][ T1325]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.207044][ T1325]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.207175][ T1325]  copy_net_ns (net/core/net_namespace.c:579)
[   72.207306][ T1325]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.207439][ T1325]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.207575][ T1325]  ksys_unshare (kernel/fork.c:3243)
[   72.207704][ T1325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.207833][ T1325]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.207974][ T1325]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.208103][ T1325]  ? __ia32_sys_open (fs/open.c:1374)
[   72.208234][ T1325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.208363][ T1325]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.208492][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.208624][ T1325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.208753][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.208894][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.209057][ T1325] RIP: 0033:0x7fc24f21dbcb
[   72.209190][ T1325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.209650][ T1325] RSP: 002b:00007ffd3cff9f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.209847][ T1325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc24f21dbcb
[   72.210050][ T1325] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.210243][ T1325] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.210434][ T1325] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3cffc190
[   72.210631][ T1325] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3cffc847
| [   72.214415][ T1325] ------------[ cut here ]------------
| [   72.214551][ T1325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1325
| [   72.214814][ T1325] Modules linked in:
| [   72.215190][ T1325] Tainted: [W]=WARN
[   72.215289][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.215453][ T1325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.215623][ T1325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.216103][ T1325] RSP: 0018:ffa0000003d578f8 EFLAGS: 00010286
[   72.216268][ T1325] RAX: 00000000ffffffa6 RBX: ff1100000d6378c0 RCX: 1ff40000007aaee5
[   72.216462][ T1325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63797c
[   72.216662][ T1325] RBP: ff11000001dec000 R08: 1fe2200001ac6f31 R09: ff1100000dcf5180
[   72.216862][ T1325] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   72.217064][ T1325] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dec000
[   72.217260][ T1325] FS:  00007fc24ef5b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   72.217491][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.217658][ T1325] CR2: 00007fc24f15cc20 CR3: 0000000008cfd003 CR4: 0000000000771ef0
[   72.217861][ T1325] PKRU: 55555554
[   72.217965][ T1325] Call Trace:
[   72.218063][ T1325]  <TASK>
[   72.218130][ T1325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.218260][ T1325]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.218394][ T1325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.218495][ T1325]  register_netdevice (net/core/dev.c:11488)
[   72.218631][ T1325]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.218796][ T1325]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.218939][ T1325]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   72.219073][ T1325]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   72.219202][ T1325]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   72.219336][ T1325]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   72.219468][ T1325]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   72.219603][ T1325]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   72.219734][ T1325]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.219877][ T1325]  vti_init_net (net/ipv4/ip_vti.c:517)
[   72.220011][ T1325]  ops_init (net/core/net_namespace.c:137)
[   72.220111][ T1325]  setup_net (net/core/net_namespace.c:446)
[   72.220211][ T1325]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.220343][ T1325]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.220474][ T1325]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.220611][ T1325]  copy_net_ns (net/core/net_namespace.c:579)
[   72.220744][ T1325]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.220887][ T1325]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.221019][ T1325]  ksys_unshare (kernel/fork.c:3243)
[   72.221149][ T1325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.221283][ T1325]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.221415][ T1325]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.221550][ T1325]  ? __ia32_sys_open (fs/open.c:1374)
[   72.221683][ T1325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.221813][ T1325]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.221952][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.222083][ T1325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.222216][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.222347][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.222511][ T1325] RIP: 0033:0x7fc24f21dbcb
[   72.222648][ T1325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.223123][ T1325] RSP: 002b:00007ffd3cff9f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.223322][ T1325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc24f21dbcb
[   72.223519][ T1325] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.223714][ T1325] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.223926][ T1325] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3cffc190
[   72.224123][ T1325] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3cffc847
| [   72.229353][ T1325] ------------[ cut here ]------------
| [   72.229490][ T1325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1325
| [   72.229750][ T1325] Modules linked in:
| [   72.230122][ T1325] Tainted: [W]=WARN
[   72.230221][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.230387][ T1325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.230556][ T1325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.231026][ T1325] RSP: 0018:ffa0000003d57a78 EFLAGS: 00010286
[   72.231190][ T1325] RAX: 00000000ffffffa6 RBX: ff1100000e440040 RCX: 1ff40000007aaf15
[   72.231383][ T1325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4400fc
[   72.231579][ T1325] RBP: ff1100000fc99000 R08: 1fe2200001c88021 R09: ff1100000dcf5180
[   72.231772][ T1325] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   72.231977][ T1325] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc99000
[   72.232172][ T1325] FS:  00007fc24ef5b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   72.232400][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.232566][ T1325] CR2: 00007fc24f15cc20 CR3: 0000000008cfd003 CR4: 0000000000771ef0
[   72.232762][ T1325] PKRU: 55555554
[   72.232864][ T1325] Call Trace:
[   72.232967][ T1325]  <TASK>
[   72.233034][ T1325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.233163][ T1325]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.233293][ T1325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.233392][ T1325]  register_netdevice (net/core/dev.c:11488)
[   72.233526][ T1325]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.233686][ T1325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.233819][ T1325]  register_netdev (net/core/dev.c:11552)
[   72.234019][ T1325]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   72.234149][ T1325]  ops_init (net/core/net_namespace.c:137)
[   72.234249][ T1325]  setup_net (net/core/net_namespace.c:446)
[   72.234346][ T1325]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.234476][ T1325]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.234609][ T1325]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.234741][ T1325]  copy_net_ns (net/core/net_namespace.c:579)
[   72.234932][ T1325]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.235065][ T1325]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.235196][ T1325]  ksys_unshare (kernel/fork.c:3243)
[   72.235324][ T1325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.235454][ T1325]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.235585][ T1325]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.235716][ T1325]  ? __ia32_sys_open (fs/open.c:1374)
[   72.235846][ T1325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.236034][ T1325]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.236163][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.236292][ T1325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.236422][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.236553][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.236712][ T1325] RIP: 0033:0x7fc24f21dbcb
[   72.236846][ T1325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.237366][ T1325] RSP: 002b:00007ffd3cff9f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.237563][ T1325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc24f21dbcb
[   72.237756][ T1325] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.238014][ T1325] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.238207][ T1325] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3cffc190
[   72.238399][ T1325] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3cffc847
| [   72.243590][ T1325] ------------[ cut here ]------------
| [   72.243736][ T1325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1325
| [   72.244009][ T1325] Modules linked in:
| [   72.244373][ T1325] Tainted: [W]=WARN
[   72.244472][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.244638][ T1325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.244806][ T1325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.245280][ T1325] RSP: 0018:ffa0000003d57a68 EFLAGS: 00010286
[   72.245445][ T1325] RAX: 00000000ffffffa6 RBX: ff1100000fc4a3c0 RCX: 1ff40000007aaf13
[   72.245644][ T1325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a47c
[   72.245839][ T1325] RBP: ff110000089c1000 R08: 1fe2200001f89491 R09: ff1100000dcf5180
[   72.246042][ T1325] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   72.246235][ T1325] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089c1000
[   72.246433][ T1325] FS:  00007fc24ef5b840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   72.246666][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.246829][ T1325] CR2: 00007f0753d45000 CR3: 0000000008cfd002 CR4: 0000000000771ef0
[   72.247034][ T1325] PKRU: 55555554
[   72.247132][ T1325] Call Trace:
[   72.247228][ T1325]  <TASK>
[   72.247295][ T1325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.247426][ T1325]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.247562][ T1325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.247661][ T1325]  register_netdevice (net/core/dev.c:11488)
[   72.247792][ T1325]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.247970][ T1325]  register_netdev (net/core/dev.c:11552)
[   72.248099][ T1325]  sit_init_net (net/ipv6/sit.c:1860)
[   72.248229][ T1325]  ops_init (net/core/net_namespace.c:137)
[   72.248328][ T1325]  setup_net (net/core/net_namespace.c:446)
[   72.248428][ T1325]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.248561][ T1325]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.248690][ T1325]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.248821][ T1325]  copy_net_ns (net/core/net_namespace.c:579)
[   72.248964][ T1325]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.249097][ T1325]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.249227][ T1325]  ksys_unshare (kernel/fork.c:3243)
[   72.249358][ T1325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.249487][ T1325]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.249617][ T1325]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.249747][ T1325]  ? __ia32_sys_open (fs/open.c:1374)
[   72.249884][ T1325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.250012][ T1325]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.250140][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.250269][ T1325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.250401][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.250533][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.250695][ T1325] RIP: 0033:0x7fc24f21dbcb
[   72.250831][ T1325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.251303][ T1325] RSP: 002b:00007ffd3cff9f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.251500][ T1325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc24f21dbcb
[   72.251697][ T1325] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.251903][ T1325] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.252095][ T1325] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3cffc190
[   72.252287][ T1325] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3cffc847
| [   72.256486][ T1325] ------------[ cut here ]------------
| [   72.256627][ T1325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1325
| [   72.256894][ T1325] Modules linked in:
| [   72.257258][ T1325] Tainted: [W]=WARN
[   72.257357][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.257520][ T1325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.257689][ T1325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.258161][ T1325] RSP: 0018:ffa0000003d57a78 EFLAGS: 00010286
[   72.258326][ T1325] RAX: 00000000ffffffa6 RBX: ff1100000ca8cc80 RCX: 1ff40000007aaf15
[   72.258525][ T1325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8cd3c
[   72.258720][ T1325] RBP: ff1100000f3f4000 R08: 1fe22000019519a9 R09: ff1100000dcf5180
[   72.258929][ T1325] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   72.259122][ T1325] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3f4000
[   72.259318][ T1325] FS:  00007fc24ef5b840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   72.259548][ T1325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.259710][ T1325] CR2: 00007f0753d45000 CR3: 0000000008cfd002 CR4: 0000000000771ef0
[   72.259916][ T1325] PKRU: 55555554
[   72.260014][ T1325] Call Trace:
[   72.260112][ T1325]  <TASK>
[   72.260180][ T1325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.260313][ T1325]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.260442][ T1325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.260546][ T1325]  register_netdevice (net/core/dev.c:11488)
[   72.260678][ T1325]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.260838][ T1325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.260985][ T1325]  register_netdev (net/core/dev.c:11552)
[   72.261114][ T1325]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   72.261244][ T1325]  ops_init (net/core/net_namespace.c:137)
[   72.261343][ T1325]  setup_net (net/core/net_namespace.c:446)
[   72.261441][ T1325]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.261574][ T1325]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.261704][ T1325]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.261835][ T1325]  copy_net_ns (net/core/net_namespace.c:579)
[   72.261978][ T1325]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.262110][ T1325]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.262242][ T1325]  ksys_unshare (kernel/fork.c:3243)
[   72.262372][ T1325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.262503][ T1325]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.262637][ T1325]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.262770][ T1325]  ? __ia32_sys_open (fs/open.c:1374)
[   72.262916][ T1325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.263046][ T1325]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.263174][ T1325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.263305][ T1325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.263434][ T1325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.263568][ T1325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.263729][ T1325] RIP: 0033:0x7fc24f21dbcb
[   72.263872][ T1325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.264336][ T1325] RSP: 002b:00007ffd3cff9f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.264534][ T1325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc24f21dbcb
[   72.264728][ T1325] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.264933][ T1325] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.265126][ T1325] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3cffc190
[   72.265319][ T1325] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3cffc847
| [   72.294865][ T1326] ------------[ cut here ]------------
| [   72.295025][ T1326] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1326
| [   72.295284][ T1326] Modules linked in:
| [   72.295652][ T1326] Tainted: [W]=WARN
[   72.295753][ T1326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.295936][ T1326] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.296108][ T1326] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.296587][ T1326] RSP: 0018:ffa0000003d57020 EFLAGS: 00010286
[   72.296752][ T1326] RAX: 00000000ffffffa6 RBX: ff11000008dc7380 RCX: 1ff40000007aadca
[   72.296968][ T1326] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc743c
[   72.297166][ T1326] RBP: ff1100000ffe4000 R08: 1fe22000011b8e89 R09: ff1100000dcf2e58
[   72.297360][ T1326] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   72.297557][ T1326] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   72.297754][ T1326] FS:  00007f1028dc7840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   72.298000][ T1326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.298166][ T1326] CR2: 000000002ac03988 CR3: 000000000e5bc003 CR4: 0000000000771ef0
[   72.298364][ T1326] PKRU: 55555554
[   72.298463][ T1326] Call Trace:
[   72.298567][ T1326]  <TASK>
[   72.298636][ T1326]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.298772][ T1326]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.298882][ T1326]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.299014][ T1326]  __dev_notify_flags (net/core/dev.c:9787)
[   72.299147][ T1326]  ? netif_change_name (net/core/dev.c:1495)
[   72.299279][ T1326]  ? __dev_change_flags (net/core/dev.c:9752)
[   72.299411][ T1326]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   72.299548][ T1326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.299680][ T1326]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   72.299814][ T1326]  netif_change_flags (net/core/dev.c:9820)
[   72.299958][ T1326]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.300090][ T1326]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   72.300224][ T1326]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   72.300357][ T1326]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   72.300529][ T1326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.300661][ T1326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.300793][ T1326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.300938][ T1326]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.301072][ T1326]  ? __kernel_text_address (kernel/extable.c:79)
[   72.301205][ T1326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.301338][ T1326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.301470][ T1326]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.301607][ T1326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.301740][ T1326]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   72.301880][ T1326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.302012][ T1326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.302143][ T1326]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   72.302276][ T1326]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   72.302408][ T1326]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   72.302543][ T1326]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.302678][ T1326]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   72.302813][ T1326]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   72.302960][ T1326]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.303093][ T1326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.303224][ T1326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.303355][ T1326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.303484][ T1326]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.303616][ T1326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.303750][ T1326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.303891][ T1326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.304027][ T1326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.304158][ T1326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.304292][ T1326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.304423][ T1326]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.304558][ T1326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.304688][ T1326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.304820][ T1326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.304965][ T1326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.305096][ T1326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.305226][ T1326]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.305358][ T1326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.305489][ T1326]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.305626][ T1326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   72.305756][ T1326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   72.305903][ T1326]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.306035][ T1326]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.306166][ T1326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.306300][ T1326]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.306434][ T1326]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.306571][ T1326]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.306707][ T1326]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.306839][ T1326]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.306979][ T1326]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.307141][ T1326]  ? move_addr_to_kernel (net/socket.c:258)
[   72.307272][ T1326]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.307403][ T1326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.307539][ T1326]  ___sys_sendmsg (net/socket.c:2752)
[   72.307671][ T1326]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   72.307835][ T1326]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.307990][ T1326]  __sys_sendmsg (net/socket.c:2784)
[   72.308120][ T1326]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.308250][ T1326]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   72.308418][ T1326]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.308553][ T1326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.308685][ T1326]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.308815][ T1326]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.308958][ T1326]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.309089][ T1326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.309252][ T1326] RIP: 0033:0x7f102900108e
[   72.309388][ T1326] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   72.309862][ T1326] RSP: 002b:00007fff490b1460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.310064][ T1326] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f102900108e
[   72.310260][ T1326] RDX: 0000000000000000 RSI: 00007fff490b1510 RDI: 0000000000000005
[   72.310454][ T1326] RBP: 00007fff490b1470 R08: 0000000000000000 R09: 0000000000000000
[   72.310650][ T1326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd34
[   72.310844][ T1326] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff490b1be0
| [   72.511310][ T1334] ------------[ cut here ]------------
| [   72.511513][ T1334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1334
| [   72.511825][ T1334] Modules linked in:
| [   72.512305][ T1334] Tainted: [W]=WARN
[   72.512449][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.512666][ T1334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.512905][ T1334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.513416][ T1334] RSP: 0018:ffa0000003b77a80 EFLAGS: 00010286
[   72.513633][ T1334] RAX: 00000000ffffffa6 RBX: ff1100000c04be00 RCX: 1ff400000076ef16
[   72.513894][ T1334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04bebc
[   72.514138][ T1334] RBP: ff110000089c9000 R08: 1fe22000018097d9 R09: ff11000008db2e80
[   72.514377][ T1334] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   72.514624][ T1334] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089c9000
[   72.514888][ T1334] FS:  00007f60fe88c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   72.515163][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.515376][ T1334] CR2: 00007f60fea8dc20 CR3: 0000000005abb003 CR4: 0000000000771ef0
[   72.515625][ T1334] PKRU: 55555554
[   72.515771][ T1334] Call Trace:
[   72.515938][ T1334]  <TASK>
[   72.516054][ T1334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.516232][ T1334]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.516411][ T1334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.516568][ T1334]  register_netdevice (net/core/dev.c:11488)
[   72.516748][ T1334]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.516976][ T1334]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.517156][ T1334]  register_netdev (net/core/dev.c:11552)
[   72.517334][ T1334]  loopback_net_init (drivers/net/loopback.c:218)
[   72.517516][ T1334]  ops_init (net/core/net_namespace.c:137)
[   72.517667][ T1334]  setup_net (net/core/net_namespace.c:446)
[   72.517817][ T1334]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.518012][ T1334]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.518191][ T1334]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.518370][ T1334]  copy_net_ns (net/core/net_namespace.c:579)
[   72.518556][ T1334]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.518738][ T1334]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.518937][ T1334]  ksys_unshare (kernel/fork.c:3243)
[   72.519118][ T1334]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.519295][ T1334]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.519472][ T1334]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.519657][ T1334]  ? __ia32_sys_open (fs/open.c:1374)
[   72.519835][ T1334]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.520031][ T1334]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.520209][ T1334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.520390][ T1334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.520576][ T1334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.520755][ T1334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.520983][ T1334] RIP: 0033:0x7f60feb4ebcb
[   72.521166][ T1334] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.521681][ T1334] RSP: 002b:00007fff411ac258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.521943][ T1334] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f60feb4ebcb
[   72.522181][ T1334] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.522421][ T1334] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.522672][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff411ae480
[   72.522934][ T1334] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff411ae847
| [   72.527611][ T1334] ------------[ cut here ]------------
| [   72.527791][ T1334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1334
| [   72.528118][ T1334] Modules linked in:
| [   72.528579][ T1334] Tainted: [W]=WARN
[   72.528724][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.528952][ T1334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.529167][ T1334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.529679][ T1334] RSP: 0018:ffa0000003b77918 EFLAGS: 00010286
[   72.529910][ T1334] RAX: 00000000ffffffa6 RBX: ff110000109b9540 RCX: 1ff400000076eee9
[   72.530153][ T1334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b95fc
[   72.530392][ T1334] RBP: ff1100000ef7c000 R08: 1fe22000021372c1 R09: ff11000008db2e80
[   72.530642][ T1334] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   72.530902][ T1334] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef7c000
[   72.531148][ T1334] FS:  00007f60fe88c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   72.531422][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.531640][ T1334] CR2: 00007f60fea8dc20 CR3: 0000000005abb003 CR4: 0000000000771ef0
[   72.531902][ T1334] PKRU: 55555554
[   72.532047][ T1334] Call Trace:
[   72.532195][ T1334]  <TASK>
[   72.532310][ T1334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.532488][ T1334]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.532671][ T1334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.532818][ T1334]  register_netdevice (net/core/dev.c:11488)
[   72.533014][ T1334]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.533223][ T1334]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.533406][ T1334]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   72.533594][ T1334]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   72.533771][ T1334]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   72.533972][ T1334]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   72.534151][ T1334]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   72.534331][ T1334]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   72.534513][ T1334]  ops_init (net/core/net_namespace.c:137)
[   72.534665][ T1334]  setup_net (net/core/net_namespace.c:446)
[   72.534814][ T1334]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.535008][ T1334]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.535187][ T1334]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.535367][ T1334]  copy_net_ns (net/core/net_namespace.c:579)
[   72.535554][ T1334]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.535734][ T1334]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.535933][ T1334]  ksys_unshare (kernel/fork.c:3243)
[   72.536113][ T1334]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.536289][ T1334]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.536467][ T1334]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.536653][ T1334]  ? __ia32_sys_open (fs/open.c:1374)
[   72.536834][ T1334]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.537034][ T1334]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.537210][ T1334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.537391][ T1334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.537576][ T1334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.537755][ T1334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.537980][ T1334] RIP: 0033:0x7f60feb4ebcb
[   72.538165][ T1334] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.538680][ T1334] RSP: 002b:00007fff411ac258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.538943][ T1334] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f60feb4ebcb
[   72.539182][ T1334] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.539420][ T1334] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.539670][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff411ae480
[   72.539932][ T1334] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff411ae847
| [   72.550642][ T1334] ------------[ cut here ]------------
| [   72.550839][ T1334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1334
| [   72.551172][ T1334] Modules linked in:
| [   72.551649][ T1334] Tainted: [W]=WARN
[   72.551795][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.552089][ T1334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.552354][ T1334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.552892][ T1334] RSP: 0018:ffa0000003b778f8 EFLAGS: 00010286
[   72.553104][ T1334] RAX: 00000000ffffffa6 RBX: ff1100000caa1000 RCX: 1ff400000076eee5
[   72.553345][ T1334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa10bc
[   72.553596][ T1334] RBP: ff110000093a4000 R08: 1fe2200001954219 R09: ff11000008db2e80
[   72.553836][ T1334] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   72.554101][ T1334] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093a4000
[   72.554344][ T1334] FS:  00007f60fe88c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   72.554630][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.554842][ T1334] CR2: 00007f60fea8dc20 CR3: 0000000005abb003 CR4: 0000000000771ef0
[   72.555106][ T1334] PKRU: 55555554
[   72.555251][ T1334] Call Trace:
[   72.555396][ T1334]  <TASK>
[   72.555514][ T1334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.555698][ T1334]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.555898][ T1334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.556048][ T1334]  register_netdevice (net/core/dev.c:11488)
[   72.556230][ T1334]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.556441][ T1334]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.556627][ T1334]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   72.556807][ T1334]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   72.557011][ T1334]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   72.557194][ T1334]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   72.557374][ T1334]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   72.557560][ T1334]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   72.557742][ T1334]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.557943][ T1334]  vti_init_net (net/ipv4/ip_vti.c:517)
[   72.558124][ T1334]  ops_init (net/core/net_namespace.c:137)
[   72.558272][ T1334]  setup_net (net/core/net_namespace.c:446)
[   72.558419][ T1334]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.558608][ T1334]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.558788][ T1334]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.558990][ T1334]  copy_net_ns (net/core/net_namespace.c:579)
[   72.559175][ T1334]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.559357][ T1334]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.559540][ T1334]  ksys_unshare (kernel/fork.c:3243)
[   72.559724][ T1334]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.559921][ T1334]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.560102][ T1334]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.560281][ T1334]  ? __ia32_sys_open (fs/open.c:1374)
[   72.560461][ T1334]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.560647][ T1334]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.560826][ T1334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.561023][ T1334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.561206][ T1334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.561385][ T1334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.561604][ T1334] RIP: 0033:0x7f60feb4ebcb
[   72.561787][ T1334] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.562312][ T1334] RSP: 002b:00007fff411ac258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.562564][ T1334] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f60feb4ebcb
[   72.562807][ T1334] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.563073][ T1334] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.563313][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff411ae480
[   72.563565][ T1334] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff411ae847
| [   72.568213][ T1334] ------------[ cut here ]------------
| [   72.568387][ T1334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1334
| [   72.568699][ T1334] Modules linked in:
| [   72.569176][ T1334] Tainted: [W]=WARN
[   72.569323][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.569532][ T1334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.569748][ T1334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.570270][ T1334] RSP: 0018:ffa0000003b77a78 EFLAGS: 00010286
[   72.570483][ T1334] RAX: 00000000ffffffa6 RBX: ff1100000caa0580 RCX: 1ff400000076ef15
[   72.570727][ T1334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa063c
[   72.571492][ T1334] RBP: ff11000009c51000 R08: 1fe22000019540c9 R09: ff11000008db2e80
[   72.571796][ T1334] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   72.572118][ T1334] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c51000
[   72.572424][ T1334] FS:  00007f60fe88c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   72.572764][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.573050][ T1334] CR2: 00007f60fea8dc20 CR3: 0000000005abb003 CR4: 0000000000771ef0
[   72.573352][ T1334] PKRU: 55555554
[   72.573559][ T1334] Call Trace:
[   72.573756][ T1334]  <TASK>
[   72.573940][ T1334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.574173][ T1334]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.574404][ T1334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.574610][ T1334]  register_netdevice (net/core/dev.c:11488)
[   72.574844][ T1334]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.575130][ T1334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.575362][ T1334]  register_netdev (net/core/dev.c:11552)
[   72.575597][ T1334]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   72.575831][ T1334]  ops_init (net/core/net_namespace.c:137)
[   72.576053][ T1334]  setup_net (net/core/net_namespace.c:446)
[   72.576253][ T1334]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.576482][ T1334]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.576718][ T1334]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.576969][ T1334]  copy_net_ns (net/core/net_namespace.c:579)
[   72.577202][ T1334]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.577433][ T1334]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.577653][ T1334]  ksys_unshare (kernel/fork.c:3243)
[   72.577831][ T1334]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.578034][ T1334]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.578214][ T1334]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.578392][ T1334]  ? __ia32_sys_open (fs/open.c:1374)
[   72.578580][ T1334]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.578756][ T1334]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.578951][ T1334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.579130][ T1334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.579308][ T1334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.579487][ T1334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.579703][ T1334] RIP: 0033:0x7f60feb4ebcb
[   72.579907][ T1334] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.580413][ T1334] RSP: 002b:00007fff411ac258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.580661][ T1334] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f60feb4ebcb
[   72.580926][ T1334] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.581165][ T1334] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.581403][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff411ae480
[   72.581649][ T1334] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff411ae847
| [   72.586680][ T1334] ------------[ cut here ]------------
| [   72.586861][ T1334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1334
| [   72.587182][ T1334] Modules linked in:
| [   72.587648][ T1334] Tainted: [W]=WARN
[   72.587793][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.588025][ T1334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.588243][ T1334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.588757][ T1334] RSP: 0018:ffa0000003b77a68 EFLAGS: 00010286
[   72.589497][ T1334] RAX: 00000000ffffffa6 RBX: ff1100000fc4ae40 RCX: 1ff400000076ef13
[   72.589803][ T1334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4aefc
[   72.590134][ T1334] RBP: ff110000127cc000 R08: 1fe2200001f895e1 R09: ff11000008db2e80
[   72.590429][ T1334] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   72.590732][ T1334] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000127cc000
[   72.591049][ T1334] FS:  00007f60fe88c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   72.591380][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.591651][ T1334] CR2: 00007f60fea8dc20 CR3: 0000000005abb003 CR4: 0000000000771ef0
[   72.591968][ T1334] PKRU: 55555554
[   72.592164][ T1334] Call Trace:
[   72.592360][ T1334]  <TASK>
[   72.592535][ T1334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.592766][ T1334]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.593024][ T1334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.593226][ T1334]  register_netdevice (net/core/dev.c:11488)
[   72.593459][ T1334]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.593732][ T1334]  register_netdev (net/core/dev.c:11552)
[   72.593983][ T1334]  sit_init_net (net/ipv6/sit.c:1860)
[   72.594218][ T1334]  ops_init (net/core/net_namespace.c:137)
[   72.594420][ T1334]  setup_net (net/core/net_namespace.c:446)
[   72.594631][ T1334]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.594883][ T1334]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.595108][ T1334]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.595286][ T1334]  copy_net_ns (net/core/net_namespace.c:579)
[   72.595465][ T1334]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.595656][ T1334]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.595835][ T1334]  ksys_unshare (kernel/fork.c:3243)
[   72.596036][ T1334]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.596214][ T1334]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.596391][ T1334]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.596579][ T1334]  ? __ia32_sys_open (fs/open.c:1374)
[   72.596758][ T1334]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.596953][ T1334]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.597133][ T1334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.597314][ T1334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.597491][ T1334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.597677][ T1334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.597906][ T1334] RIP: 0033:0x7f60feb4ebcb
[   72.598091][ T1334] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.598611][ T1334] RSP: 002b:00007fff411ac258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.598861][ T1334] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f60feb4ebcb
[   72.599115][ T1334] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.599355][ T1334] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.599604][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff411ae480
[   72.599844][ T1334] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff411ae847
| [   72.605067][ T1334] ------------[ cut here ]------------
| [   72.605243][ T1334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1334
| [   72.605553][ T1334] Modules linked in:
| [   72.606032][ T1334] Tainted: [W]=WARN
[   72.606181][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.606389][ T1334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.606615][ T1334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.607680][ T1334] RSP: 0018:ffa0000003b77a78 EFLAGS: 00010286
[   72.607966][ T1334] RAX: 00000000ffffffa6 RBX: ff1100000ca8dc40 RCX: 1ff400000076ef15
[   72.608261][ T1334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8dcfc
[   72.608564][ T1334] RBP: ff110000098a9000 R08: 1fe2200001951ba1 R09: ff11000008db2e80
[   72.608930][ T1334] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   72.609241][ T1334] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098a9000
[   72.609550][ T1334] FS:  00007f60fe88c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   72.609902][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.610171][ T1334] CR2: 00007f60fea8dc20 CR3: 0000000005abb003 CR4: 0000000000771ef0
[   72.610468][ T1334] PKRU: 55555554
[   72.610677][ T1334] Call Trace:
[   72.610895][ T1334]  <TASK>
[   72.611066][ T1334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.611299][ T1334]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.611540][ T1334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.611742][ T1334]  register_netdevice (net/core/dev.c:11488)
[   72.611999][ T1334]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   72.612264][ T1334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.612501][ T1334]  register_netdev (net/core/dev.c:11552)
[   72.612743][ T1334]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   72.612999][ T1334]  ops_init (net/core/net_namespace.c:137)
[   72.613182][ T1334]  setup_net (net/core/net_namespace.c:446)
[   72.613330][ T1334]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   72.613510][ T1334]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   72.613696][ T1334]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   72.613899][ T1334]  copy_net_ns (net/core/net_namespace.c:579)
[   72.614080][ T1334]  create_new_namespaces (kernel/nsproxy.c:132)
[   72.614261][ T1334]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   72.614440][ T1334]  ksys_unshare (kernel/fork.c:3243)
[   72.614626][ T1334]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.614804][ T1334]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   72.615006][ T1334]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   72.615190][ T1334]  ? __ia32_sys_open (fs/open.c:1374)
[   72.615370][ T1334]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   72.615554][ T1334]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   72.615733][ T1334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.615942][ T1334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.616122][ T1334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.616301][ T1334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.616513][ T1334] RIP: 0033:0x7f60feb4ebcb
[   72.616704][ T1334] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   72.617235][ T1334] RSP: 002b:00007fff411ac258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   72.617478][ T1334] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f60feb4ebcb
[   72.617726][ T1334] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   72.617987][ T1334] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   72.618229][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff411ae480
[   72.618469][ T1334] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff411ae847
| [   72.647169][ T1335] ------------[ cut here ]------------
| [   72.647315][ T1335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1335
| [   72.647576][ T1335] Modules linked in:
| [   72.648470][ T1335] Tainted: [W]=WARN
[   72.648574][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.648738][ T1335] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.648918][ T1335] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   72.649379][ T1335] RSP: 0018:ffa0000003db7020 EFLAGS: 00010286
[   72.649550][ T1335] RAX: 00000000ffffffa6 RBX: ff1100000d513380 RCX: 1ff40000007b6dca
[   72.649745][ T1335] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51343c
[   72.649948][ T1335] RBP: ff110000089c9000 R08: 1fe2200001aa2689 R09: ff11000008db0b58
[   72.650141][ T1335] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   72.650335][ T1335] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   72.650534][ T1335] FS:  00007fc0b5b57840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   72.650760][ T1335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.650934][ T1335] CR2: 00000000304db988 CR3: 0000000010adb006 CR4: 0000000000771ef0
[   72.651128][ T1335] PKRU: 55555554
[   72.651226][ T1335] Call Trace:
[   72.651322][ T1335]  <TASK>
[   72.651389][ T1335]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.651522][ T1335]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.651622][ T1335]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.651752][ T1335]  __dev_notify_flags (net/core/dev.c:9787)
[   72.651893][ T1335]  ? netif_change_name (net/core/dev.c:1495)
[   72.652025][ T1335]  ? __dev_change_flags (net/core/dev.c:9752)
[   72.652157][ T1335]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   72.652288][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.652418][ T1335]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   72.652552][ T1335]  netif_change_flags (net/core/dev.c:9820)
[   72.652681][ T1335]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.652812][ T1335]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   72.652956][ T1335]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   72.653087][ T1335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   72.653251][ T1335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.653381][ T1335]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.653513][ T1335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.653641][ T1335]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.653771][ T1335]  ? __kernel_text_address (kernel/extable.c:79)
[   72.653914][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.654045][ T1335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.654173][ T1335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.654304][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.654434][ T1335]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   72.654567][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.654697][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.654827][ T1335]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   72.654969][ T1335]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   72.655099][ T1335]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   72.655230][ T1335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.655360][ T1335]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   72.655493][ T1335]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   72.655629][ T1335]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.655759][ T1335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.655897][ T1335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.656029][ T1335]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.656157][ T1335]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.656286][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.656416][ T1335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.656548][ T1335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.656677][ T1335]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.656808][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.656948][ T1335]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.657078][ T1335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.657207][ T1335]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.657335][ T1335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.657463][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.657598][ T1335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.657725][ T1335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.657861][ T1335]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.658000][ T1335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.658130][ T1335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.658264][ T1335]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   72.658394][ T1335]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   72.658528][ T1335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.658660][ T1335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.658789][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.658932][ T1335]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.659063][ T1335]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.659193][ T1335]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.659325][ T1335]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.659455][ T1335]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.659585][ T1335]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.659746][ T1335]  ? move_addr_to_kernel (net/socket.c:258)
[   72.659885][ T1335]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.660016][ T1335]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.660148][ T1335]  ___sys_sendmsg (net/socket.c:2752)
[   72.660278][ T1335]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   72.660439][ T1335]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.660587][ T1335]  __sys_sendmsg (net/socket.c:2784)
[   72.660717][ T1335]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.660846][ T1335]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   72.661022][ T1335]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.661152][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.661283][ T1335]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.661411][ T1335]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.661546][ T1335]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.661675][ T1335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.661836][ T1335] RIP: 0033:0x7fc0b5d9108e
[   72.661980][ T1335] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   72.662443][ T1335] RSP: 002b:00007fffe6b5aae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.662644][ T1335] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc0b5d9108e
[   72.662838][ T1335] RDX: 0000000000000000 RSI: 00007fffe6b5ab90 RDI: 0000000000000005
[   72.663041][ T1335] RBP: 00007fffe6b5aaf0 R08: 0000000000000000 R09: 0000000000000000
[   72.663234][ T1335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd34
[   72.663428][ T1335] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe6b5b260
| [   73.028295][ T1350] ------------[ cut here ]------------
| [   73.028468][ T1350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1350
| [   73.028746][ T1350] Modules linked in:
| [   73.029144][ T1350] Tainted: [W]=WARN
[   73.029248][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.029418][ T1350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.029600][ T1350] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.030093][ T1350] RSP: 0018:ffa0000003e86e30 EFLAGS: 00010286
[   73.030263][ T1350] RAX: 00000000ffffffa6 RBX: ff11000010abaac0 RCX: 1ff40000007d0d8c
[   73.030466][ T1350] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abab7c
[   73.030673][ T1350] RBP: ff11000010094000 R08: 1fe2200002157571 R09: ff11000010482e80
[   73.030886][ T1350] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   73.031088][ T1350] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf6b500
[   73.031291][ T1350] FS:  00007f0d3d95e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   73.031535][ T1350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.031705][ T1350] CR2: 000000000042ebe0 CR3: 000000000c168006 CR4: 0000000000771ef0
[   73.031919][ T1350] PKRU: 55555554
[   73.032021][ T1350] Call Trace:
[   73.032122][ T1350]  <TASK>
[   73.032194][ T1350]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.032331][ T1350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.032435][ T1350]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   73.032610][ T1350]  __dev_notify_flags (net/core/dev.c:9787)
[   73.032748][ T1350]  ? netif_change_name (net/core/dev.c:1495)
[   73.032896][ T1350]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.033035][ T1350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.033169][ T1350]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.033306][ T1350]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   73.033443][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.033584][ T1350]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.033719][ T1350]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.033856][ T1350]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   73.033999][ T1350]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   73.034136][ T1350]  veth_newlink (drivers/net/veth.c:1871)
[   73.034273][ T1350]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   73.034408][ T1350]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.034548][ T1350]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.034684][ T1350]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   73.034835][ T1350]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   73.034980][ T1350]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   73.035117][ T1350]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.035254][ T1350]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.035391][ T1350]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   73.035530][ T1350]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   73.035667][ T1350]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.035802][ T1350]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.035948][ T1350]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.036090][ T1350]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.036233][ T1350]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.036370][ T1350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.036505][ T1350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.036642][ T1350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.036776][ T1350]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.036918][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.037057][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.037194][ T1350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.037331][ T1350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.037465][ T1350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.037603][ T1350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.037735][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.037884][ T1350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.038018][ T1350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.038157][ T1350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.038294][ T1350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.038430][ T1350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.038572][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.038707][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.038844][ T1350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.038992][ T1350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.039127][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.039264][ T1350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.039401][ T1350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.039541][ T1350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.039679][ T1350]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.039814][ T1350]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.039963][ T1350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.040129][ T1350]  ? move_addr_to_kernel (net/socket.c:258)
[   73.040268][ T1350]  ___sys_sendmsg (net/socket.c:2752)
[   73.040404][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.040542][ T1350]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.040707][ T1350]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   73.040843][ T1350]  __sys_sendmsg (net/socket.c:2784)
[   73.040991][ T1350]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.041131][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.041267][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.041406][ T1350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.041545][ T1350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.041681][ T1350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.041815][ T1350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.041998][ T1350] RIP: 0033:0x7f0d3db9808e
[   73.042141][ T1350] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.042628][ T1350] RSP: 002b:00007ffe2686e680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.042835][ T1350] RAX: ffffffffffffffda RBX: 00007ffe2686ee28 RCX: 00007f0d3db9808e
[   73.043047][ T1350] RDX: 0000000000000000 RSI: 00007ffe2686e730 RDI: 0000000000000005
[   73.043249][ T1350] RBP: 00007ffe2686e690 R08: 0000000000000000 R09: 0000000000000000
[   73.043450][ T1350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.043657][ T1350] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2686ee00
| [   73.051653][ T1350] ------------[ cut here ]------------
| [   73.051794][ T1350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1350
| [   73.052576][ T1350] Modules linked in:
| [   73.053018][ T1350] Tainted: [W]=WARN
[   73.053120][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.053343][ T1350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.053520][ T1350] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.054063][ T1350] RSP: 0018:ffa0000003e871b0 EFLAGS: 00010286
[   73.054232][ T1350] RAX: 00000000ffffffa6 RBX: ff1100000ee50580 RCX: 1ff40000007d0dfc
[   73.054431][ T1350] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5063c
[   73.054635][ T1350] RBP: ff11000010184000 R08: 1fe2200001dca0c9 R09: ff11000010482e80
[   73.054835][ T1350] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   73.055094][ T1350] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   73.055293][ T1350] FS:  00007f0d3d95e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   73.055532][ T1350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.055702][ T1350] CR2: 000000000042ebe0 CR3: 000000000c168006 CR4: 0000000000771ef0
[   73.055966][ T1350] PKRU: 55555554
[   73.056068][ T1350] Call Trace:
[   73.056168][ T1350]  <TASK>
[   73.056237][ T1350]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.056372][ T1350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.056475][ T1350]  __dev_notify_flags (net/core/dev.c:9787)
[   73.056615][ T1350]  ? netif_change_name (net/core/dev.c:1495)
[   73.056750][ T1350]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.056948][ T1350]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.057084][ T1350]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.057220][ T1350]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   73.057356][ T1350]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.057491][ T1350]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.057627][ T1350]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.057767][ T1350]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.057967][ T1350]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.058102][ T1350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.058235][ T1350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.058368][ T1350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.058501][ T1350]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.058639][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.058778][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.058975][ T1350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.059108][ T1350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.059240][ T1350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.059374][ T1350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.059509][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.059646][ T1350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.059778][ T1350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.059976][ T1350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.060110][ T1350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.060244][ T1350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.060381][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.060519][ T1350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.060656][ T1350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.060793][ T1350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.060991][ T1350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.061126][ T1350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.061260][ T1350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.061395][ T1350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.061534][ T1350]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.061668][ T1350]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.061802][ T1350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.062030][ T1350]  ? move_addr_to_kernel (net/socket.c:258)
[   73.062169][ T1350]  ___sys_sendmsg (net/socket.c:2752)
[   73.062303][ T1350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.062438][ T1350]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.062585][ T1350]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   73.062722][ T1350]  __sys_sendmsg (net/socket.c:2784)
[   73.062863][ T1350]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.063064][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.063198][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.063332][ T1350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.063465][ T1350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.063603][ T1350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.063738][ T1350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.063966][ T1350] RIP: 0033:0x7f0d3db9808e
[   73.064108][ T1350] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.064584][ T1350] RSP: 002b:00007ffe2686e680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.064786][ T1350] RAX: ffffffffffffffda RBX: 00007ffe2686ee28 RCX: 00007f0d3db9808e
[   73.065054][ T1350] RDX: 0000000000000000 RSI: 00007ffe2686e730 RDI: 0000000000000005
[   73.065253][ T1350] RBP: 00007ffe2686e690 R08: 0000000000000000 R09: 0000000000000000
[   73.065451][ T1350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.065651][ T1350] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2686ee00
| [   73.105300][ T1351] ------------[ cut here ]------------
| [   73.105477][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1351
| [   73.105779][ T1351] Modules linked in:
| [   73.106248][ T1351] Tainted: [W]=WARN
[   73.106392][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.106606][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.106816][ T1351] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.107327][ T1351] RSP: 0018:ffa0000003e96ff8 EFLAGS: 00010286
[   73.107535][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000ee503c0 RCX: 1ff40000007d2dc5
[   73.107770][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5047c
[   73.108024][ T1351] RBP: ff11000010094000 R08: 1fe2200001dca091 R09: ff11000010485158
[   73.108259][ T1351] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   73.108493][ T1351] R13: 0000000000000000 R14: ffa0000003e97140 R15: ff1100000b4b8ad0
[   73.108739][ T1351] FS:  00007fc87c88a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.109080][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.109283][ T1351] CR2: 0000000014b10988 CR3: 000000000c45c003 CR4: 0000000000771ef0
[   73.109520][ T1351] PKRU: 55555554
[   73.109664][ T1351] Call Trace:
[   73.109805][ T1351]  <TASK>
[   73.109939][ T1351]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   73.110118][ T1351]  __dev_change_net_namespace (net/core/dev.c:12635)
[   73.110328][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.110501][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.110685][ T1351]  ? default_device_exit_batch (net/core/dev.c:13091)
[   73.110909][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.111083][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.111287][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.111464][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.111648][ T1351]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   73.111826][ T1351]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   73.112021][ T1351]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.112195][ T1351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.112403][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.112584][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.112760][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.112953][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.113128][ T1351]  ? __kernel_text_address (kernel/extable.c:79)
[   73.113302][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.113480][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.113658][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.113832][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.114029][ T1351]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.114202][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.114374][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.114553][ T1351]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.114730][ T1351]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.114925][ T1351]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.115103][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.115280][ T1351]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.115455][ T1351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.115641][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.115818][ T1351]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.116011][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.116183][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.116356][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.116531][ T1351]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.116705][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.116904][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.117077][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.117251][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.117425][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.117610][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.117785][ T1351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.117976][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.118151][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.118323][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.118498][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.118677][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.118859][ T1351]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.119047][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.119221][ T1351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.119399][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.119584][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.119761][ T1351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.119956][ T1351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.120133][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.120309][ T1351]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.120487][ T1351]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.120666][ T1351]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.120842][ T1351]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.121040][ T1351]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.121212][ T1351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.121413][ T1351]  ? move_addr_to_kernel (net/socket.c:258)
[   73.121595][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.121768][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.121965][ T1351]  ___sys_sendmsg (net/socket.c:2752)
[   73.122140][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.122349][ T1351]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.122539][ T1351]  __sys_sendmsg (net/socket.c:2784)
[   73.122714][ T1351]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.122909][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.123120][ T1351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.123295][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.123470][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.123652][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.123826][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.124019][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.124222][ T1351] RIP: 0033:0x7fc87cac408e
[   73.124400][ T1351] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.124923][ T1351] RSP: 002b:00007ffd15f45c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.125159][ T1351] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc87cac408e
[   73.125392][ T1351] RDX: 0000000000000000 RSI: 00007ffd15f45ce0 RDI: 0000000000000005
[   73.125633][ T1351] RBP: 00007ffd15f45c40 R08: 0000000000000000 R09: 0000000000000000
[   73.125889][ T1351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.126124][ T1351] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15f463b0
| [   73.129109][ T1351] ------------[ cut here ]------------
| [   73.129282][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1351
| [   73.129586][ T1351] Modules linked in:
| [   73.130054][ T1351] Tainted: [W]=WARN
[   73.130200][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.130407][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.130629][ T1351] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.131147][ T1351] RSP: 0018:ffa0000003e96fc0 EFLAGS: 00010286
[   73.131355][ T1351] RAX: 00000000ffffffa6 RBX: ff110000105f2e40 RCX: 1ff40000007d2dbe
[   73.131598][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2efc
[   73.131835][ T1351] RBP: ff11000010094000 R08: 1fe22000020be5e1 R09: ff11000010485158
[   73.132094][ T1351] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   73.132332][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4b8ad0
[   73.132580][ T1351] FS:  00007fc87c88a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.132849][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.133077][ T1351] CR2: 0000000014b10988 CR3: 000000000c45c003 CR4: 0000000000771ef0
[   73.133319][ T1351] PKRU: 55555554
[   73.133461][ T1351] Call Trace:
[   73.133612][ T1351]  <TASK>
[   73.133725][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.133922][ T1351]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.134102][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.134250][ T1351]  __dev_change_net_namespace (net/core/dev.c:12695)
[   73.134460][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.134645][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.134822][ T1351]  ? default_device_exit_batch (net/core/dev.c:13091)
[   73.135047][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.135221][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.135397][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.135581][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.135757][ T1351]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   73.135958][ T1351]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   73.136139][ T1351]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.136314][ T1351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.136523][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.136700][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.136894][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.137070][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.137248][ T1351]  ? __kernel_text_address (kernel/extable.c:79)
[   73.137424][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.137611][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.137786][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.137980][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.138156][ T1351]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.138330][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.138509][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.138690][ T1351]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.138886][ T1351]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.139148][ T1351]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.139324][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.139503][ T1351]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.139686][ T1351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.139972][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.140156][ T1351]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.140335][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.140509][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.140774][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.140975][ T1351]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.141153][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.141331][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.141601][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.141778][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.141979][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.142155][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.142413][ T1351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.142595][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.142771][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.142972][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.143239][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.143413][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.143596][ T1351]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.143770][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.143972][ T1351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.144152][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.144326][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.144504][ T1351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.144774][ T1351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.144976][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.145157][ T1351]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.145334][ T1351]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.145602][ T1351]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.145779][ T1351]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.145977][ T1351]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.146156][ T1351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.146443][ T1351]  ? move_addr_to_kernel (net/socket.c:258)
[   73.146625][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.146800][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.147000][ T1351]  ___sys_sendmsg (net/socket.c:2752)
[   73.147259][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.147465][ T1351]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.147664][ T1351]  __sys_sendmsg (net/socket.c:2784)
[   73.147840][ T1351]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.148036][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.148245][ T1351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.148419][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.148686][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.148880][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.149057][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.149235][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.149527][ T1351] RIP: 0033:0x7fc87cac408e
[   73.149707][ T1351] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.150316][ T1351] RSP: 002b:00007ffd15f45c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.150564][ T1351] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc87cac408e
[   73.150801][ T1351] RDX: 0000000000000000 RSI: 00007ffd15f45ce0 RDI: 0000000000000005
[   73.151144][ T1351] RBP: 00007ffd15f45c40 R08: 0000000000000000 R09: 0000000000000000
[   73.151381][ T1351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.151713][ T1351] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15f463b0
| [   73.154297][ T1351] ------------[ cut here ]------------
| [   73.154558][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1351
| [   73.154862][ T1351] Modules linked in:
| [   73.155491][ T1351] Tainted: [W]=WARN
[   73.155692][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.155974][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.156239][ T1351] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.156752][ T1351] RSP: 0018:ffa0000003e97038 EFLAGS: 00010286
[   73.156979][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000d6d6900 RCX: 1ff40000007d2dcd
[   73.157221][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d69bc
[   73.157456][ T1351] RBP: ff11000010094000 R08: 1fe2200001adad39 R09: ff11000010485158
[   73.157700][ T1351] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   73.158042][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   73.158284][ T1351] FS:  00007fc87c88a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.158558][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.158849][ T1351] CR2: 0000000014b10988 CR3: 000000000c45c003 CR4: 0000000000771ef0
[   73.159109][ T1351] PKRU: 55555554
[   73.159251][ T1351] Call Trace:
[   73.159396][ T1351]  <TASK>
[   73.159600][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.159776][ T1351]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   73.159975][ T1351]  notifier_call_chain (kernel/notifier.c:85)
[   73.160154][ T1351]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   73.160411][ T1351]  ? default_device_exit_batch (net/core/dev.c:13091)
[   73.160628][ T1351]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   73.160836][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.161037][ T1351]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   73.161297][ T1351]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   73.161473][ T1351]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.161657][ T1351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.161885][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.162061][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.162235][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.162413][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.162596][ T1351]  ? __kernel_text_address (kernel/extable.c:79)
[   73.162772][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.162974][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.163151][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.163328][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.163592][ T1351]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.163770][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.163966][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.164144][ T1351]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.164402][ T1351]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.164585][ T1351]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.164762][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.165046][ T1351]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.165223][ T1351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.165405][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.165591][ T1351]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.165768][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.166047][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.166223][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.166396][ T1351]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.166598][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.166883][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.167060][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.167238][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.167413][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.167682][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.167881][ T1351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.168058][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.168232][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.168494][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.168678][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.168861][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.169052][ T1351]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.169311][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.169486][ T1351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.169669][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.169842][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.170043][ T1351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.170222][ T1351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.170397][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.170583][ T1351]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.170845][ T1351]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.171049][ T1351]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.171225][ T1351]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.171405][ T1351]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.171672][ T1351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.171896][ T1351]  ? move_addr_to_kernel (net/socket.c:258)
[   73.172073][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.172330][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.172511][ T1351]  ___sys_sendmsg (net/socket.c:2752)
[   73.172691][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.172921][ T1351]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.173193][ T1351]  __sys_sendmsg (net/socket.c:2784)
[   73.173372][ T1351]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.173552][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.173762][ T1351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.174045][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.174227][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.174406][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.174588][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.174847][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.175073][ T1351] RIP: 0033:0x7fc87cac408e
[   73.175254][ T1351] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.175863][ T1351] RSP: 002b:00007ffd15f45c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.176117][ T1351] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc87cac408e
[   73.176438][ T1351] RDX: 0000000000000000 RSI: 00007ffd15f45ce0 RDI: 0000000000000005
[   73.176684][ T1351] RBP: 00007ffd15f45c40 R08: 0000000000000000 R09: 0000000000000000
[   73.177031][ T1351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.177270][ T1351] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15f463b0
| [   73.180220][ T1351] ------------[ cut here ]------------
| [   73.180392][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1351
| [   73.180786][ T1351] Modules linked in:
| [   73.181845][ T1351] Tainted: [W]=WARN
[   73.182069][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.182330][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.182609][ T1351] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.183194][ T1351] RSP: 0018:ffa0000003e97020 EFLAGS: 00010286
[   73.183459][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000d6d6e40 RCX: 1ff40000007d2dca
[   73.183758][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6efc
[   73.184068][ T1351] RBP: ff11000010094000 R08: 1fe2200001adade1 R09: ff11000010485158
[   73.184360][ T1351] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   73.184662][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.184971][ T1351] FS:  00007fc87c88a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.185296][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.185566][ T1351] CR2: 0000000014b10988 CR3: 000000000c45c003 CR4: 0000000000771ef0
[   73.185931][ T1351] PKRU: 55555554
[   73.186132][ T1351] Call Trace:
[   73.186329][ T1351]  <TASK>
[   73.186497][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.186736][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.186953][ T1351]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.187184][ T1351]  __dev_notify_flags (net/core/dev.c:9787)
[   73.187414][ T1351]  ? netif_change_name (net/core/dev.c:1495)
[   73.187649][ T1351]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.187903][ T1351]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.188133][ T1351]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   73.188395][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.188634][ T1351]  netif_change_flags (net/core/dev.c:9820)
[   73.188884][ T1351]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.189118][ T1351]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.189347][ T1351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.189615][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.189844][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.190092][ T1351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.190319][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.190557][ T1351]  ? __kernel_text_address (kernel/extable.c:79)
[   73.190786][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.191038][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.191267][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.191496][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.191734][ T1351]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.191983][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.192214][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.192443][ T1351]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.192678][ T1351]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.192930][ T1351]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.193162][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.193391][ T1351]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.193628][ T1351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.193928][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.194161][ T1351]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.194391][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.194625][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.194864][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.195158][ T1351]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.195385][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.195623][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.195851][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.196158][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.196389][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.196632][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.196881][ T1351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.197111][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.197339][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.197571][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.197802][ T1351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.198054][ T1351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.198288][ T1351]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.198525][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.198755][ T1351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.199006][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.199235][ T1351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.199465][ T1351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.199706][ T1351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.199952][ T1351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.200189][ T1351]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.200421][ T1351]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.200658][ T1351]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.200910][ T1351]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.201140][ T1351]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.201370][ T1351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.201639][ T1351]  ? move_addr_to_kernel (net/socket.c:258)
[   73.201891][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.202123][ T1351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.202351][ T1351]  ___sys_sendmsg (net/socket.c:2752)
[   73.202583][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.202842][ T1351]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.203104][ T1351]  __sys_sendmsg (net/socket.c:2784)
[   73.203334][ T1351]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.203571][ T1351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.203837][ T1351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.204087][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.204316][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.204554][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.204757][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.204951][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.205160][ T1351] RIP: 0033:0x7fc87cac408e
[   73.205345][ T1351] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.205848][ T1351] RSP: 002b:00007ffd15f45c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.206111][ T1351] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc87cac408e
[   73.206351][ T1351] RDX: 0000000000000000 RSI: 00007ffd15f45ce0 RDI: 0000000000000005
[   73.206594][ T1351] RBP: 00007ffd15f45c40 R08: 0000000000000000 R09: 0000000000000000
[   73.206833][ T1351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.207092][ T1351] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15f463b0
| [   73.248305][ T1352] ------------[ cut here ]------------
| [   73.248458][ T1352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1352
| [   73.248730][ T1352] Modules linked in:
| [   73.249115][ T1352] Tainted: [W]=WARN
[   73.249217][ T1352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.249386][ T1352] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.249564][ T1352] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.250112][ T1352] RSP: 0018:ffa0000003ea6e30 EFLAGS: 00010286
[   73.250282][ T1352] RAX: 00000000ffffffa6 RBX: ff1100000ca8d700 RCX: 1ff40000007d4d8c
[   73.250483][ T1352] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d7bc
[   73.250687][ T1352] RBP: ff110000124ec000 R08: 1fe2200001951af9 R09: ff11000010480b80
[   73.250954][ T1352] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   73.251153][ T1352] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ddb880
[   73.251411][ T1352] FS:  00007fed0b706840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   73.251648][ T1352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.251816][ T1352] CR2: 000000000042ebe0 CR3: 00000000127b0002 CR4: 0000000000771ef0
[   73.252083][ T1352] PKRU: 55555554
[   73.252185][ T1352] Call Trace:
[   73.252284][ T1352]  <TASK>
[   73.252355][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.252488][ T1352]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.252626][ T1352]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.252728][ T1352]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   73.252924][ T1352]  __dev_notify_flags (net/core/dev.c:9787)
[   73.253058][ T1352]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   73.253191][ T1352]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   73.253326][ T1352]  ? netif_change_name (net/core/dev.c:1495)
[   73.253458][ T1352]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.253595][ T1352]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.253726][ T1352]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.253863][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.254055][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.254188][ T1352]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.254326][ T1352]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.254459][ T1352]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   73.254595][ T1352]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   73.254732][ T1352]  veth_newlink (drivers/net/veth.c:1871)
[   73.254961][ T1352]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   73.255094][ T1352]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.255228][ T1352]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.255363][ T1352]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   73.255516][ T1352]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   73.255650][ T1352]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   73.255787][ T1352]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.256017][ T1352]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.256154][ T1352]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   73.256290][ T1352]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   73.256426][ T1352]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.256564][ T1352]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.256697][ T1352]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.256837][ T1352]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.257056][ T1352]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.257193][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.257326][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.257462][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.257601][ T1352]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.257734][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.257954][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.258089][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.258222][ T1352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.258355][ T1352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.258487][ T1352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.258620][ T1352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.258757][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.258951][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.259085][ T1352]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.259217][ T1352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.259351][ T1352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.259489][ T1352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.259624][ T1352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.259763][ T1352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.259960][ T1352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.260094][ T1352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.260230][ T1352]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.260364][ T1352]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.260500][ T1352]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.260638][ T1352]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.260772][ T1352]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.260922][ T1352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.261088][ T1352]  ? move_addr_to_kernel (net/socket.c:258)
[   73.261227][ T1352]  ___sys_sendmsg (net/socket.c:2752)
[   73.261359][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.261492][ T1352]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.261638][ T1352]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   73.261777][ T1352]  __sys_sendmsg (net/socket.c:2784)
[   73.261919][ T1352]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.262056][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.262189][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.262324][ T1352]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.262457][ T1352]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.262594][ T1352]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.262728][ T1352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.262907][ T1352] RIP: 0033:0x7fed0b94008e
[   73.263048][ T1352] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.263530][ T1352] RSP: 002b:00007ffc6b5f6240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.263732][ T1352] RAX: ffffffffffffffda RBX: 00007ffc6b5f69e8 RCX: 00007fed0b94008e
[   73.263941][ T1352] RDX: 0000000000000000 RSI: 00007ffc6b5f62f0 RDI: 0000000000000005
[   73.264140][ T1352] RBP: 00007ffc6b5f6250 R08: 0000000000000000 R09: 0000000000000000
[   73.264337][ T1352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.264539][ T1352] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6b5f69c0
| [   73.271851][ T1352] ------------[ cut here ]------------
| [   73.272013][ T1352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1352
| [   73.272277][ T1352] Modules linked in:
| [   73.272648][ T1352] Tainted: [W]=WARN
[   73.272748][ T1352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.272926][ T1352] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.273099][ T1352] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.273573][ T1352] RSP: 0018:ffa0000003ea71b0 EFLAGS: 00010286
[   73.273740][ T1352] RAX: 00000000ffffffa6 RBX: ff1100000f1b6740 RCX: 1ff40000007d4dfc
[   73.273947][ T1352] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b67fc
[   73.274144][ T1352] RBP: ff1100000a83c000 R08: 1fe2200001e36d01 R09: ff11000010480b80
[   73.274341][ T1352] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   73.274540][ T1352] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   73.274738][ T1352] FS:  00007fed0b706840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   73.274981][ T1352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.275146][ T1352] CR2: 000055dfdb5e2d5c CR3: 00000000127b0003 CR4: 0000000000771ef0
[   73.275343][ T1352] PKRU: 55555554
[   73.275441][ T1352] Call Trace:
[   73.275543][ T1352]  <TASK>
[   73.275611][ T1352]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.275745][ T1352]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.275846][ T1352]  __dev_notify_flags (net/core/dev.c:9787)
[   73.275991][ T1352]  ? netif_change_name (net/core/dev.c:1495)
[   73.276124][ T1352]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.276255][ T1352]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.276391][ T1352]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.276525][ T1352]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   73.276659][ T1352]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.276792][ T1352]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.276937][ T1352]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.277075][ T1352]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.277212][ T1352]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.277346][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.277477][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.277612][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.277743][ T1352]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.277887][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.278022][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.278156][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.278289][ T1352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.278422][ T1352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.278554][ T1352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.278685][ T1352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.278820][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.278965][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.279098][ T1352]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.279229][ T1352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.279360][ T1352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.279497][ T1352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.279633][ T1352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.279766][ T1352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.279911][ T1352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.280042][ T1352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.280175][ T1352]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.280309][ T1352]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.280443][ T1352]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.280580][ T1352]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.280711][ T1352]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.280845][ T1352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.281018][ T1352]  ? move_addr_to_kernel (net/socket.c:258)
[   73.281155][ T1352]  ___sys_sendmsg (net/socket.c:2752)
[   73.281286][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.281417][ T1352]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.281561][ T1352]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   73.281695][ T1352]  __sys_sendmsg (net/socket.c:2784)
[   73.281828][ T1352]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.281975][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.282109][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.282241][ T1352]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.282373][ T1352]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.282506][ T1352]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.282640][ T1352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.282803][ T1352] RIP: 0033:0x7fed0b94008e
[   73.282952][ T1352] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.283419][ T1352] RSP: 002b:00007ffc6b5f6240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.283617][ T1352] RAX: ffffffffffffffda RBX: 00007ffc6b5f69e8 RCX: 00007fed0b94008e
[   73.283815][ T1352] RDX: 0000000000000000 RSI: 00007ffc6b5f62f0 RDI: 0000000000000005
[   73.284023][ T1352] RBP: 00007ffc6b5f6250 R08: 0000000000000000 R09: 0000000000000000
[   73.284218][ T1352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.284412][ T1352] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6b5f69c0
| [   73.324166][ T1353] ------------[ cut here ]------------
| [   73.324309][ T1353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1353
| [   73.324565][ T1353] Modules linked in:
| [   73.324933][ T1353] Tainted: [W]=WARN
[   73.325029][ T1353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.325187][ T1353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.325352][ T1353] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.325803][ T1353] RSP: 0018:ffa0000003ea6ff8 EFLAGS: 00010286
[   73.325975][ T1353] RAX: 00000000ffffffa6 RBX: ff1100000f1b7c40 RCX: 1ff40000007d4dc5
[   73.326163][ T1353] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b7cfc
[   73.326354][ T1353] RBP: ff110000124ec000 R08: 1fe2200001e36fa1 R09: ff1100000993ae58
[   73.326544][ T1353] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   73.326732][ T1353] R13: 0000000000000000 R14: ffa0000003ea7140 R15: ff1100000ffa7bd0
[   73.326935][ T1353] FS:  00007f5c59fef840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   73.327155][ T1353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.327311][ T1353] CR2: 000000001ffe0988 CR3: 00000000127b0005 CR4: 0000000000771ef0
[   73.327501][ T1353] PKRU: 55555554
[   73.327598][ T1353] Call Trace:
[   73.327691][ T1353]  <TASK>
[   73.327757][ T1353]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   73.327902][ T1353]  __dev_change_net_namespace (net/core/dev.c:12635)
[   73.328058][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.328184][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.328311][ T1353]  ? default_device_exit_batch (net/core/dev.c:13091)
[   73.328466][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.328595][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.328722][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.328850][ T1353]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.328993][ T1353]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   73.329121][ T1353]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   73.329250][ T1353]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.329377][ T1353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.329537][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.329663][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.329790][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.329930][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.330055][ T1353]  ? __kernel_text_address (kernel/extable.c:79)
[   73.330181][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.330308][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.330433][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.330565][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.330692][ T1353]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.330816][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.330955][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.331081][ T1353]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.331207][ T1353]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.331333][ T1353]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.331458][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.331589][ T1353]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.331716][ T1353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.331844][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.332069][ T1353]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.332200][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.332326][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.332451][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.332579][ T1353]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.332705][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.332835][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.332972][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.333097][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.333225][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.333357][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.333483][ T1353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.333613][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.333742][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.333880][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.334013][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.334139][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.334267][ T1353]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.334393][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.334522][ T1353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.334651][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.334779][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.334918][ T1353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.335045][ T1353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.335171][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.335298][ T1353]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.335424][ T1353]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.335554][ T1353]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.335684][ T1353]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.335810][ T1353]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.335946][ T1353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.336102][ T1353]  ? move_addr_to_kernel (net/socket.c:258)
[   73.336230][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.336357][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.336486][ T1353]  ___sys_sendmsg (net/socket.c:2752)
[   73.336614][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.336770][ T1353]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.336918][ T1353]  __sys_sendmsg (net/socket.c:2784)
[   73.337045][ T1353]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.337171][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.337333][ T1353]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.337460][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.337593][ T1353]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.337719][ T1353]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.337846][ T1353]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.337985][ T1353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.338142][ T1353] RIP: 0033:0x7f5c5a22908e
[   73.338276][ T1353] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.338731][ T1353] RSP: 002b:00007fffda2e3750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.338934][ T1353] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c5a22908e
[   73.339124][ T1353] RDX: 0000000000000000 RSI: 00007fffda2e3800 RDI: 0000000000000005
[   73.339313][ T1353] RBP: 00007fffda2e3760 R08: 0000000000000000 R09: 0000000000000000
[   73.339501][ T1353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.339695][ T1353] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffda2e3ed0
| [   73.347089][ T1353] ------------[ cut here ]------------
| [   73.347223][ T1353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1353
| [   73.347475][ T1353] Modules linked in:
| [   73.347835][ T1353] Tainted: [W]=WARN
[   73.347947][ T1353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.348123][ T1353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.348290][ T1353] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.348745][ T1353] RSP: 0018:ffa0000003ea6fc0 EFLAGS: 00010286
[   73.348914][ T1353] RAX: 00000000ffffffa6 RBX: ff1100000d150e40 RCX: 1ff40000007d4dbe
[   73.349106][ T1353] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d150efc
[   73.349295][ T1353] RBP: ff110000124ec000 R08: 1fe2200001a2a1e1 R09: ff1100000993ae58
[   73.349485][ T1353] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   73.349679][ T1353] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffa7bd0
[   73.349883][ T1353] FS:  00007f5c59fef840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   73.350109][ T1353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.350269][ T1353] CR2: 000000001ffe0988 CR3: 00000000127b0005 CR4: 0000000000771ef0
[   73.350461][ T1353] PKRU: 55555554
[   73.350562][ T1353] Call Trace:
[   73.350658][ T1353]  <TASK>
[   73.350725][ T1353]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.350858][ T1353]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.350995][ T1353]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.351093][ T1353]  __dev_change_net_namespace (net/core/dev.c:12695)
[   73.351254][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.351382][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.351514][ T1353]  ? default_device_exit_batch (net/core/dev.c:13091)
[   73.351674][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.351802][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.351941][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.352069][ T1353]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.352197][ T1353]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   73.352325][ T1353]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   73.352455][ T1353]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.352586][ T1353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.352747][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.352883][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.353011][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.353138][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.353266][ T1353]  ? __kernel_text_address (kernel/extable.c:79)
[   73.353395][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.353526][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.353656][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.353785][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.353923][ T1353]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.354051][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.354179][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.354306][ T1353]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.354436][ T1353]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.354569][ T1353]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.354700][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.354829][ T1353]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.354967][ T1353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.355098][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.355232][ T1353]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.355362][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.355489][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.355621][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.355749][ T1353]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.355884][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.356016][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.356145][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.356278][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.356408][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.356542][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.356671][ T1353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.356799][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.356938][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.357066][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.357197][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.357325][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.357453][ T1353]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.357584][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.357713][ T1353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.357844][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.357982][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.358113][ T1353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.358243][ T1353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.358371][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.358500][ T1353]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.358634][ T1353]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.358763][ T1353]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.358904][ T1353]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.359032][ T1353]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.359161][ T1353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.359318][ T1353]  ? move_addr_to_kernel (net/socket.c:258)
[   73.359447][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.359580][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.359710][ T1353]  ___sys_sendmsg (net/socket.c:2752)
[   73.359837][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.360016][ T1353]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.360157][ T1353]  __sys_sendmsg (net/socket.c:2784)
[   73.360285][ T1353]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.360412][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.360579][ T1353]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.360707][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.360836][ T1353]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.360976][ T1353]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.361104][ T1353]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.361234][ T1353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.361394][ T1353] RIP: 0033:0x7f5c5a22908e
[   73.361532][ T1353] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.362002][ T1353] RSP: 002b:00007fffda2e3750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.362199][ T1353] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c5a22908e
[   73.362391][ T1353] RDX: 0000000000000000 RSI: 00007fffda2e3800 RDI: 0000000000000005
[   73.362584][ T1353] RBP: 00007fffda2e3760 R08: 0000000000000000 R09: 0000000000000000
[   73.362774][ T1353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.362976][ T1353] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffda2e3ed0
| [   73.364831][ T1353] ------------[ cut here ]------------
| [   73.364972][ T1353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1353
| [   73.365223][ T1353] Modules linked in:
| [   73.365582][ T1353] Tainted: [W]=WARN
[   73.365679][ T1353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.365839][ T1353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.366312][ T1353] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.366771][ T1353] RSP: 0018:ffa0000003ea7038 EFLAGS: 00010286
[   73.366941][ T1353] RAX: 00000000ffffffa6 RBX: ff1100000d150ac0 RCX: 1ff40000007d4dcd
[   73.367130][ T1353] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d150b7c
[   73.367322][ T1353] RBP: ff110000124ec000 R08: 1fe2200001a2a171 R09: ff1100000993ae58
[   73.367513][ T1353] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   73.367703][ T1353] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   73.367904][ T1353] FS:  00007f5c59fef840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   73.368128][ T1353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.368287][ T1353] CR2: 000000001ffe0988 CR3: 00000000127b0005 CR4: 0000000000771ef0
[   73.368478][ T1353] PKRU: 55555554
[   73.368577][ T1353] Call Trace:
[   73.368671][ T1353]  <TASK>
[   73.368737][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.368873][ T1353]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   73.369004][ T1353]  notifier_call_chain (kernel/notifier.c:85)
[   73.369133][ T1353]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   73.369261][ T1353]  ? default_device_exit_batch (net/core/dev.c:13091)
[   73.369420][ T1353]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   73.369582][ T1353]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.369711][ T1353]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   73.369841][ T1353]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   73.369983][ T1353]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.370111][ T1353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.370271][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.370398][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.370529][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.370657][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.370785][ T1353]  ? __kernel_text_address (kernel/extable.c:79)
[   73.370925][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.371056][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.371184][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.371313][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.371441][ T1353]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.371573][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.371700][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.371829][ T1353]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.371970][ T1353]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.372099][ T1353]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.372228][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.372358][ T1353]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.372488][ T1353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.372621][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.372752][ T1353]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.372895][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.373024][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.373151][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.373279][ T1353]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.373406][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.373541][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.373669][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.373796][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.373936][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.374065][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.374195][ T1353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.374322][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.374449][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.374581][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.374711][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.374841][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.374980][ T1353]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.375108][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.375236][ T1353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.375368][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.375495][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.375629][ T1353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.375759][ T1353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.375901][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.376031][ T1353]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.376161][ T1353]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.376291][ T1353]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.376420][ T1353]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.376550][ T1353]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.376678][ T1353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.376838][ T1353]  ? move_addr_to_kernel (net/socket.c:258)
[   73.376978][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.377106][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.377236][ T1353]  ___sys_sendmsg (net/socket.c:2752)
[   73.377364][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.377527][ T1353]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.377667][ T1353]  __sys_sendmsg (net/socket.c:2784)
[   73.377798][ T1353]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.377938][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.378099][ T1353]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.378227][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.378355][ T1353]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.378482][ T1353]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.378611][ T1353]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.378739][ T1353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.378907][ T1353] RIP: 0033:0x7f5c5a22908e
[   73.379043][ T1353] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.379499][ T1353] RSP: 002b:00007fffda2e3750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.379698][ T1353] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c5a22908e
[   73.379902][ T1353] RDX: 0000000000000000 RSI: 00007fffda2e3800 RDI: 0000000000000005
[   73.380095][ T1353] RBP: 00007fffda2e3760 R08: 0000000000000000 R09: 0000000000000000
[   73.380286][ T1353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.380476][ T1353] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffda2e3ed0
| [   73.382635][ T1353] ------------[ cut here ]------------
| [   73.382763][ T1353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1353
| [   73.383032][ T1353] Modules linked in:
| [   73.383389][ T1353] Tainted: [W]=WARN
[   73.383487][ T1353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.383649][ T1353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.383818][ T1353] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.384287][ T1353] RSP: 0018:ffa0000003ea7020 EFLAGS: 00010286
[   73.384449][ T1353] RAX: 00000000ffffffa6 RBX: ff1100000d150200 RCX: 1ff40000007d4dca
[   73.384646][ T1353] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1502bc
[   73.384838][ T1353] RBP: ff110000124ec000 R08: 1fe2200001a2a059 R09: ff1100000993ae58
[   73.385040][ T1353] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   73.385233][ T1353] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.385427][ T1353] FS:  00007f5c59fef840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   73.385659][ T1353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.385819][ T1353] CR2: 000000001ffe0988 CR3: 00000000127b0005 CR4: 0000000000771ef0
[   73.386027][ T1353] PKRU: 55555554
[   73.386124][ T1353] Call Trace:
[   73.386221][ T1353]  <TASK>
[   73.386288][ T1353]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.386421][ T1353]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.386521][ T1353]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.386652][ T1353]  __dev_notify_flags (net/core/dev.c:9787)
[   73.386782][ T1353]  ? netif_change_name (net/core/dev.c:1495)
[   73.386925][ T1353]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.387056][ T1353]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.387186][ T1353]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   73.387350][ T1353]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.387480][ T1353]  netif_change_flags (net/core/dev.c:9820)
[   73.387614][ T1353]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.387745][ T1353]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.387931][ T1353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.388093][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.388222][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.388353][ T1353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.388481][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.388613][ T1353]  ? __kernel_text_address (kernel/extable.c:79)
[   73.388743][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.388883][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.389013][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.389142][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.389272][ T1353]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.389400][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.389534][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.389664][ T1353]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.389794][ T1353]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.389936][ T1353]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.390065][ T1353]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.390196][ T1353]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.390325][ T1353]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.390457][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.390591][ T1353]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.390722][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.390850][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.390991][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.391120][ T1353]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.391250][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.391381][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.391600][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.391728][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.391862][ T1353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.392000][ T1353]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.392213][ T1353]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.392341][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.392471][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.392604][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.392822][ T1353]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.392962][ T1353]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.393091][ T1353]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.393219][ T1353]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.393434][ T1353]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.393570][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.393699][ T1353]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.393831][ T1353]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.393971][ T1353]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.394100][ T1353]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.394230][ T1353]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.394361][ T1353]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.394580][ T1353]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.394713][ T1353]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.394842][ T1353]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.394980][ T1353]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.395228][ T1353]  ? move_addr_to_kernel (net/socket.c:258)
[   73.395360][ T1353]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.395490][ T1353]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.395625][ T1353]  ___sys_sendmsg (net/socket.c:2752)
[   73.395840][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.396010][ T1353]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.396152][ T1353]  __sys_sendmsg (net/socket.c:2784)
[   73.396282][ T1353]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.396496][ T1353]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.396662][ T1353]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.396793][ T1353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.396937][ T1353]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.397066][ T1353]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.397193][ T1353]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.397321][ T1353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.397570][ T1353] RIP: 0033:0x7f5c5a22908e
[   73.397704][ T1353] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.398268][ T1353] RSP: 002b:00007fffda2e3750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.398462][ T1353] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c5a22908e
[   73.398657][ T1353] RDX: 0000000000000000 RSI: 00007fffda2e3800 RDI: 0000000000000005
[   73.398946][ T1353] RBP: 00007fffda2e3760 R08: 0000000000000000 R09: 0000000000000000
[   73.399141][ T1353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.399421][ T1353] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffda2e3ed0
| [   73.495693][ T1356] ------------[ cut here ]------------
| [   73.495893][ T1356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1356
| [   73.496200][ T1356] Modules linked in:
| [   73.496660][ T1356] Tainted: [W]=WARN
[   73.496830][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.497155][ T1356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.497451][ T1356] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.498063][ T1356] RSP: 0018:ffa0000003ed7020 EFLAGS: 00010286
[   73.498370][ T1356] RAX: 00000000ffffffa6 RBX: ff1100000efa1380 RCX: 1ff40000007dadca
[   73.498694][ T1356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa143c
[   73.499016][ T1356] RBP: ff11000010184000 R08: 1fe2200001df4289 R09: ff11000012505158
[   73.499317][ T1356] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   73.499563][ T1356] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.499805][ T1356] FS:  00007f2d31d19840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.500099][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.500306][ T1356] CR2: 00000000144e1988 CR3: 000000001029e001 CR4: 0000000000771ef0
[   73.500554][ T1356] PKRU: 55555554
[   73.500699][ T1356] Call Trace:
[   73.500842][ T1356]  <TASK>
[   73.500976][ T1356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.501155][ T1356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.501301][ T1356]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.501475][ T1356]  __dev_notify_flags (net/core/dev.c:9787)
[   73.501657][ T1356]  ? netif_change_name (net/core/dev.c:1495)
[   73.501833][ T1356]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.502031][ T1356]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.502207][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.502384][ T1356]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.502569][ T1356]  netif_change_flags (net/core/dev.c:9820)
[   73.502747][ T1356]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.502942][ T1356]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.503122][ T1356]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.503300][ T1356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.503509][ T1356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.503690][ T1356]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.503883][ T1356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.504060][ T1356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.504237][ T1356]  ? __kernel_text_address (kernel/extable.c:79)
[   73.504414][ T1356]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.504599][ T1356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.504774][ T1356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.504973][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.505148][ T1356]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.505323][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.505497][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.505683][ T1356]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.505880][ T1356]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.506057][ T1356]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.506233][ T1356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.506411][ T1356]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.506595][ T1356]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.506773][ T1356]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.506973][ T1356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.507151][ T1356]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.507326][ T1356]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.507501][ T1356]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.507683][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.507882][ T1356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.508059][ T1356]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.508236][ T1356]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.508412][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.508597][ T1356]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.508775][ T1356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.508976][ T1356]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.509154][ T1356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.509328][ T1356]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.509509][ T1356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.509688][ T1356]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.509885][ T1356]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.510063][ T1356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.510238][ T1356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.510417][ T1356]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.510597][ T1356]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.510776][ T1356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.510977][ T1356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.511155][ T1356]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.511332][ T1356]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.511511][ T1356]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.511692][ T1356]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.511888][ T1356]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.512065][ T1356]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.512239][ T1356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.512443][ T1356]  ? move_addr_to_kernel (net/socket.c:258)
[   73.512627][ T1356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.512803][ T1356]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.513004][ T1356]  ___sys_sendmsg (net/socket.c:2752)
[   73.513180][ T1356]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.513386][ T1356]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.513580][ T1356]  __sys_sendmsg (net/socket.c:2784)
[   73.513759][ T1356]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.513950][ T1356]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.514163][ T1356]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.514339][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.514519][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.514697][ T1356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.514892][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.515069][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.515276][ T1356] RIP: 0033:0x7f2d31f5308e
[   73.515459][ T1356] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.515985][ T1356] RSP: 002b:00007ffdd321b380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.516226][ T1356] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2d31f5308e
[   73.516462][ T1356] RDX: 0000000000000000 RSI: 00007ffdd321b430 RDI: 0000000000000005
[   73.516709][ T1356] RBP: 00007ffdd321b390 R08: 0000000000000000 R09: 0000000000000000
[   73.516968][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.517205][ T1356] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd321bb00
| [   73.520235][  T225] ------------[ cut here ]------------
| [   73.520366][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/225
| [   73.520603][  T225] Modules linked in:
| [   73.520979][  T225] Tainted: [W]=WARN
[   73.521069][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.521220][  T225] Workqueue: events_unbound linkwatch_event
[   73.521378][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.521535][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.521985][  T225] RSP: 0018:ffa0000000b079e0 EFLAGS: 00010286
[   73.522134][  T225] RAX: 00000000ffffffa6 RBX: ff1100000a8cf1c0 RCX: 1ff4000000160f02
[   73.522312][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf27c
[   73.522491][  T225] RBP: ff11000010184000 R08: 1fe2200001519e51 R09: ff11000010272ea8
[   73.522673][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   73.522846][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.523034][  T225] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   73.523240][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.523387][  T225] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[   73.523587][  T225] PKRU: 55555554
[   73.523676][  T225] Call Trace:
[   73.523763][  T225]  <TASK>
[   73.523825][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.523957][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.524080][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.524169][  T225]  netif_state_change (net/core/dev.c:1605)
[   73.524287][  T225]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.524435][  T225]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   73.524554][  T225]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   73.524672][  T225]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.524793][  T225]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   73.524922][  T225]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   73.525039][  T225]  process_one_work (kernel/workqueue.c:3314)
[   73.525166][  T225]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.525284][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.525407][  T225]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.525531][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.525653][  T225]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.525777][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.525902][  T225]  kthread (kernel/kthread.c:436)
[   73.525991][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.526139][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.526258][  T225]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.526378][  T225]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.526530][  T225]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.526648][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.526767][  T225]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.528596][  T225] ------------[ cut here ]------------
| [   73.528714][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/225
| [   73.528971][  T225] Modules linked in:
| [   73.529330][  T225] Tainted: [W]=WARN
[   73.529419][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.529575][  T225] Workqueue: events_unbound linkwatch_event
[   73.529727][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.529909][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.530338][  T225] RSP: 0018:ffa0000000b079e0 EFLAGS: 00010286
[   73.530490][  T225] RAX: 00000000ffffffa6 RBX: ff1100000a8ceac0 RCX: 1ff4000000160f02
[   73.530669][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8ceb7c
[   73.530846][  T225] RBP: ff11000010094000 R08: 1fe2200001519d71 R09: ff11000010272ea8
[   73.531040][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   73.531216][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.531396][  T225] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   73.531606][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.531755][  T225] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[   73.531942][  T225] PKRU: 55555554
[   73.532033][  T225] Call Trace:
[   73.532121][  T225]  <TASK>
[   73.532183][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.532302][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.532422][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.532518][  T225]  netif_state_change (net/core/dev.c:1605)
[   73.532638][  T225]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.532788][  T225]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   73.532916][  T225]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   73.533036][  T225]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.533158][  T225]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   73.533278][  T225]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   73.533403][  T225]  process_one_work (kernel/workqueue.c:3314)
[   73.533529][  T225]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.533648][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.533773][  T225]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.533909][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.534028][  T225]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.534147][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.534265][  T225]  kthread (kernel/kthread.c:436)
[   73.534355][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.534501][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.534624][  T225]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.534742][  T225]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.534901][  T225]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.535020][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.535140][  T225]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.658734][ T1361] ------------[ cut here ]------------
| [   73.658931][ T1361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1361
| [   73.659238][ T1361] Modules linked in:
| [   73.659709][ T1361] Tainted: [W]=WARN
[   73.659853][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.660081][ T1361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.660296][ T1361] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.660806][ T1361] RSP: 0018:ffa0000003ee7020 EFLAGS: 00010286
[   73.661040][ T1361] RAX: 00000000ffffffa6 RBX: ff1100000d52e040 RCX: 1ff40000007dcdca
[   73.661279][ T1361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e0fc
[   73.661518][ T1361] RBP: ff1100000a83c000 R08: 1fe2200001aa5c21 R09: ff11000009652e58
[   73.661760][ T1361] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   73.662016][ T1361] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.662258][ T1361] FS:  00007f0e6ea23840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.662532][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.662743][ T1361] CR2: 0000000011ab7988 CR3: 000000001029e004 CR4: 0000000000771ef0
[   73.663008][ T1361] PKRU: 55555554
[   73.663155][ T1361] Call Trace:
[   73.663299][ T1361]  <TASK>
[   73.663414][ T1361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.663600][ T1361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.663749][ T1361]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.663945][ T1361]  __dev_notify_flags (net/core/dev.c:9787)
[   73.664127][ T1361]  ? netif_change_name (net/core/dev.c:1495)
[   73.664305][ T1361]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.664484][ T1361]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.664667][ T1361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.664847][ T1361]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.665046][ T1361]  netif_change_flags (net/core/dev.c:9820)
[   73.665224][ T1361]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.665404][ T1361]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.665592][ T1361]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.665771][ T1361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.666002][ T1361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.666180][ T1361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.666355][ T1361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.666533][ T1361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.666711][ T1361]  ? __kernel_text_address (kernel/extable.c:79)
[   73.666908][ T1361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.667089][ T1361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.667267][ T1361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.667445][ T1361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.667630][ T1361]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.667807][ T1361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.668004][ T1361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.668183][ T1361]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.668361][ T1361]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.668544][ T1361]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.668722][ T1361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.668918][ T1361]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.669100][ T1361]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.669284][ T1361]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.669463][ T1361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.669648][ T1361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.669826][ T1361]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.670022][ T1361]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.670198][ T1361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.670377][ T1361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.670558][ T1361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.670733][ T1361]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.670931][ T1361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.671109][ T1361]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.671286][ T1361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.671463][ T1361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.671647][ T1361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.671823][ T1361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.672016][ T1361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.672193][ T1361]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.672372][ T1361]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.672556][ T1361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.672735][ T1361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.672934][ T1361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.673109][ T1361]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.673287][ T1361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.673466][ T1361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.673652][ T1361]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.673831][ T1361]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.674032][ T1361]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.674211][ T1361]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.674391][ T1361]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.674579][ T1361]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.674755][ T1361]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.674977][ T1361]  ? move_addr_to_kernel (net/socket.c:258)
[   73.675158][ T1361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.675335][ T1361]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.675521][ T1361]  ___sys_sendmsg (net/socket.c:2752)
[   73.675701][ T1361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.675933][ T1361]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.676124][ T1361]  __sys_sendmsg (net/socket.c:2784)
[   73.676304][ T1361]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.676479][ T1361]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.676696][ T1361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.676895][ T1361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.677076][ T1361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.677252][ T1361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.677427][ T1361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.677617][ T1361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.677825][ T1361] RIP: 0033:0x7f0e6ec5d08e
[   73.678026][ T1361] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.678533][ T1361] RSP: 002b:00007ffdc324d340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.678781][ T1361] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0e6ec5d08e
[   73.679043][ T1361] RDX: 0000000000000000 RSI: 00007ffdc324d3f0 RDI: 0000000000000005
[   73.679282][ T1361] RBP: 00007ffdc324d350 R08: 0000000000000000 R09: 0000000000000000
[   73.679521][ T1361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.679764][ T1361] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc324dac0
| [   73.682568][  T225] ------------[ cut here ]------------
| [   73.682696][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/225
| [   73.682941][  T225] Modules linked in:
| [   73.683301][  T225] Tainted: [W]=WARN
[   73.683391][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.683546][  T225] Workqueue: events_unbound linkwatch_event
[   73.683697][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.683861][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.684290][  T225] RSP: 0018:ffa0000000b079e0 EFLAGS: 00010286
[   73.684439][  T225] RAX: 00000000ffffffa6 RBX: ff1100000d52ec80 RCX: 1ff4000000160f02
[   73.684620][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52ed3c
[   73.684794][  T225] RBP: ff110000124ec000 R08: 1fe2200001aa5da9 R09: ff11000010272ea8
[   73.684994][  T225] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   73.685171][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.685348][  T225] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   73.685555][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.685702][  T225] CR2: 00007f66fb6ad574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   73.685890][  T225] PKRU: 55555554
[   73.685978][  T225] Call Trace:
[   73.686067][  T225]  <TASK>
[   73.686129][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.686251][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.686369][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.686461][  T225]  netif_state_change (net/core/dev.c:1605)
[   73.686583][  T225]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.686733][  T225]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   73.686851][  T225]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   73.686985][  T225]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.687108][  T225]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   73.687225][  T225]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   73.687344][  T225]  process_one_work (kernel/workqueue.c:3314)
[   73.687468][  T225]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.687588][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.687710][  T225]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.687829][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.687961][  T225]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.688083][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.688202][  T225]  kthread (kernel/kthread.c:436)
[   73.688290][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.688436][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.688558][  T225]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.688675][  T225]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.688821][  T225]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.688950][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.689070][  T225]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.716606][ T1362] ------------[ cut here ]------------
| [   73.716789][ T1362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1362
| [   73.717576][ T1362] Modules linked in:
| [   73.718045][ T1362] Tainted: [W]=WARN
[   73.718188][ T1362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.718394][ T1362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.718618][ T1362] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.719155][ T1362] RSP: 0018:ffa0000003ed7150 EFLAGS: 00010286
[   73.719362][ T1362] RAX: 00000000ffffffa6 RBX: ff1100000cf18040 RCX: 1ff40000007dadf0
[   73.719609][ T1362] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf180fc
[   73.719847][ T1362] RBP: ff1100000a83c000 R08: 1fe22000019e3021 R09: ff11000009650b58
[   73.720104][ T1362] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   73.720351][ T1362] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c7fdfc0
[   73.720598][ T1362] FS:  00007fef246eb840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.720888][ T1362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.721097][ T1362] CR2: 00000000004eba70 CR3: 000000001029e006 CR4: 0000000000771ef0
[   73.721339][ T1362] PKRU: 55555554
[   73.721483][ T1362] Call Trace:
[   73.721631][ T1362]  <TASK>
[   73.721744][ T1362]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.721941][ T1362]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.722119][ T1362]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.722264][ T1362]  netif_state_change (net/core/dev.c:1605)
[   73.722441][ T1362]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.722654][ T1362]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   73.722886][ T1362]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   73.723065][ T1362]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   73.723241][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.723414][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.723597][ T1362]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   73.723772][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.723968][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.724148][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.724340][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.724516][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.724696][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.724888][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.725064][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.725242][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.725421][ T1362]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   73.725605][ T1362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.725780][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.725977][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.726152][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.726330][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.726505][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.726688][ T1362]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.726885][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.727064][ T1362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.727241][ T1362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.727414][ T1362]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.727599][ T1362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.727774][ T1362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.727974][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.728156][ T1362]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.728333][ T1362]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.728511][ T1362]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.728693][ T1362]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.728887][ T1362]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.729064][ T1362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.729267][ T1362]  ? move_addr_to_kernel (net/socket.c:258)
[   73.729440][ T1362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.729625][ T1362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.729830][ T1362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.730026][ T1362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.730232][ T1362]  ___sys_sendmsg (net/socket.c:2752)
[   73.730407][ T1362]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.730588][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.730773][ T1362]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   73.730969][ T1362]  ? do_getsockname (net/socket.c:2192)
[   73.731148][ T1362]  __sys_sendmsg (net/socket.c:2784)
[   73.731323][ T1362]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.731500][ T1362]  ? __sys_getsockname (net/socket.c:2210)
[   73.731682][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.731878][ T1362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.732053][ T1362]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.732227][ T1362]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.732405][ T1362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.732617][ T1362] RIP: 0033:0x7fef2492508e
[   73.732796][ T1362] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.733356][ T1362] RSP: 002b:00007ffe4f27e4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.733627][ T1362] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fef2492508e
[   73.733889][ T1362] RDX: 0000000000000000 RSI: 00007ffe4f27e5a0 RDI: 0000000000000006
[   73.734132][ T1362] RBP: 00007ffe4f27e500 R08: 0000000000000000 R09: 0000000000000000
[   73.734373][ T1362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd35
[   73.734627][ T1362] R13: 00007ffe4f27e650 R14: 00007ffe4f28184c R15: 0000000000000000
| [   73.911270][ T1368] ------------[ cut here ]------------
| [   73.911472][ T1368] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1368
| [   73.911791][ T1368] Modules linked in:
| [   73.913218][ T1368] Tainted: [W]=WARN
[   73.913446][ T1368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.913745][ T1368] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.914010][ T1368] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.914527][ T1368] RSP: 0018:ffa0000003f171b0 EFLAGS: 00010286
[   73.914760][ T1368] RAX: 00000000ffffffa6 RBX: ff1100000ceed700 RCX: 1ff40000007e2dfc
[   73.915038][ T1368] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed7bc
[   73.915286][ T1368] RBP: ff11000008d3c000 R08: 1fe22000019ddaf9 R09: ff11000012562e80
[   73.915533][ T1368] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   73.915782][ T1368] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   73.916048][ T1368] FS:  00007f5360603840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.916330][ T1368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.916552][ T1368] CR2: 00000000004a2860 CR3: 000000000ef87003 CR4: 0000000000771ef0
[   73.916804][ T1368] PKRU: 55555554
[   73.917057][ T1368] Call Trace:
[   73.917277][ T1368]  <TASK>
[   73.917449][ T1368]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.917700][ T1368]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.917868][ T1368]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   73.918064][ T1368]  __dev_notify_flags (net/core/dev.c:9787)
[   73.918248][ T1368]  ? netif_change_name (net/core/dev.c:1495)
[   73.918430][ T1368]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   73.918622][ T1368]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   73.918805][ T1368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.919011][ T1368]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   73.919199][ T1368]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   73.919382][ T1368]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.919575][ T1368]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   73.919757][ T1368]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   73.919961][ T1368]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.920146][ T1368]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.920329][ T1368]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.920522][ T1368]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.920711][ T1368]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.920917][ T1368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.921098][ T1368]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.921277][ T1368]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.921459][ T1368]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.921649][ T1368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.921835][ T1368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.922039][ T1368]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.922222][ T1368]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.922402][ T1368]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.922589][ T1368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.922769][ T1368]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.922975][ T1368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.923158][ T1368]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.923340][ T1368]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.923527][ T1368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.923712][ T1368]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.923917][ T1368]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.924099][ T1368]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.924285][ T1368]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.924469][ T1368]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.924659][ T1368]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.924841][ T1368]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.925078][ T1368]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.925265][ T1368]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.925452][ T1368]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.925645][ T1368]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.925835][ T1368]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.926073][ T1368]  ? move_addr_to_kernel (net/socket.c:258)
[   73.926259][ T1368]  ___sys_sendmsg (net/socket.c:2752)
[   73.926440][ T1368]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.926633][ T1368]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.926852][ T1368]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   73.927057][ T1368]  __sys_sendmsg (net/socket.c:2784)
[   73.927239][ T1368]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.927423][ T1368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.927618][ T1368]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.927801][ T1368]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.928005][ T1368]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.928189][ T1368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.928400][ T1368] RIP: 0033:0x7f536083d08e
[   73.928594][ T1368] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.929135][ T1368] RSP: 002b:00007ffc2cb00630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.929381][ T1368] RAX: ffffffffffffffda RBX: 00007ffc2cb00dd8 RCX: 00007f536083d08e
[   73.929638][ T1368] RDX: 0000000000000000 RSI: 00007ffc2cb006e0 RDI: 0000000000000005
[   73.929905][ T1368] RBP: 00007ffc2cb00640 R08: 0000000000000000 R09: 0000000000000000
[   73.930151][ T1368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd36
[   73.930394][ T1368] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2cb00db0
| [   73.964704][ T1369] ------------[ cut here ]------------
| [   73.965499][ T1369] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1369
| [   73.965920][ T1369] Modules linked in:
| [   73.966514][ T1369] Tainted: [W]=WARN
[   73.966713][ T1369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.966950][ T1369] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.967164][ T1369] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   73.967674][ T1369] RSP: 0018:ffa0000003f27020 EFLAGS: 00010286
[   73.967901][ T1369] RAX: 00000000ffffffa6 RBX: ff1100000ceecac0 RCX: 1ff40000007e4dca
[   73.968140][ T1369] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceecb7c
[   73.968375][ T1369] RBP: ff11000008d3c000 R08: 1fe22000019dd971 R09: ff11000012560b58
[   73.968620][ T1369] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   73.968862][ T1369] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.969116][ T1369] FS:  00007f104085c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   73.969388][ T1369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.969603][ T1369] CR2: 000000000e186988 CR3: 00000000108a5006 CR4: 0000000000771ef0
[   73.969846][ T1369] PKRU: 55555554
[   73.970011][ T1369] Call Trace:
[   73.970153][ T1369]  <TASK>
[   73.970265][ T1369]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.970442][ T1369]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.970595][ T1369]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.970769][ T1369]  __dev_notify_flags (net/core/dev.c:9787)
[   73.970969][ T1369]  ? netif_change_name (net/core/dev.c:1495)
[   73.971148][ T1369]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.971323][ T1369]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.971497][ T1369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.971682][ T1369]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   73.971880][ T1369]  netif_change_flags (net/core/dev.c:9820)
[   73.972059][ T1369]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.972234][ T1369]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.972413][ T1369]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.972599][ T1369]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.972807][ T1369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.973005][ T1369]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.973183][ T1369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.973356][ T1369]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.973533][ T1369]  ? __kernel_text_address (kernel/extable.c:79)
[   73.973709][ T1369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.973907][ T1369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.974084][ T1369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.974261][ T1369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.974435][ T1369]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.974617][ T1369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.974792][ T1369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.974987][ T1369]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.975166][ T1369]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   73.975339][ T1369]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.975518][ T1369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.975698][ T1369]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.975895][ T1369]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.976077][ T1369]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.976254][ T1369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.976427][ T1369]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.976613][ T1369]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.976789][ T1369]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.976979][ T1369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.977159][ T1369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.977331][ T1369]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.977506][ T1369]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.977686][ T1369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.977881][ T1369]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.978057][ T1369]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.978232][ T1369]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.978409][ T1369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.978590][ T1369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.978767][ T1369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.978960][ T1369]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.979135][ T1369]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.979308][ T1369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.979483][ T1369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.979665][ T1369]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.979841][ T1369]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.980039][ T1369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.980215][ T1369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.980389][ T1369]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.980570][ T1369]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.980747][ T1369]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.980944][ T1369]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.981121][ T1369]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.981297][ T1369]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.981470][ T1369]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.981680][ T1369]  ? move_addr_to_kernel (net/socket.c:258)
[   73.981864][ T1369]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.982051][ T1369]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.982227][ T1369]  ___sys_sendmsg (net/socket.c:2752)
[   73.982400][ T1369]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.982617][ T1369]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.982804][ T1369]  __sys_sendmsg (net/socket.c:2784)
[   73.983002][ T1369]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.983178][ T1369]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.983386][ T1369]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.983568][ T1369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.983745][ T1369]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.983944][ T1369]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.984117][ T1369]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.984290][ T1369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.984492][ T1369] RIP: 0033:0x7f1040a9608e
[   73.984680][ T1369] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.985201][ T1369] RSP: 002b:00007ffef3902610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.985437][ T1369] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1040a9608e
[   73.985678][ T1369] RDX: 0000000000000000 RSI: 00007ffef39026c0 RDI: 0000000000000005
[   73.985933][ T1369] RBP: 00007ffef3902620 R08: 0000000000000000 R09: 0000000000000000
[   73.986171][ T1369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd36
[   73.986405][ T1369] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef3902d90
| [   74.125743][ T1374] ------------[ cut here ]------------
| [   74.125911][ T1374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1374
| [   74.126178][ T1374] Modules linked in:
| [   74.126550][ T1374] Tainted: [W]=WARN
[   74.126649][ T1374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.126813][ T1374] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.126997][ T1374] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.127471][ T1374] RSP: 0018:ffa0000003dc71b0 EFLAGS: 00010286
[   74.127642][ T1374] RAX: 00000000ffffffa6 RBX: ff1100000d31b000 RCX: 1ff40000007b8dfc
[   74.127839][ T1374] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b0bc
[   74.128045][ T1374] RBP: ff11000008bac000 R08: 1fe2200001a63619 R09: ff1100000943d180
[   74.128243][ T1374] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   74.128439][ T1374] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   74.128644][ T1374] FS:  00007ff351cba840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   74.128886][ T1374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.129052][ T1374] CR2: 00000000004a2860 CR3: 000000000e7b6002 CR4: 0000000000771ef0
[   74.129250][ T1374] PKRU: 55555554
[   74.129350][ T1374] Call Trace:
[   74.129449][ T1374]  <TASK>
[   74.129521][ T1374]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   74.129656][ T1374]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   74.129757][ T1374]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.129900][ T1374]  __dev_notify_flags (net/core/dev.c:9787)
[   74.130034][ T1374]  ? netif_change_name (net/core/dev.c:1495)
[   74.130166][ T1374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.130298][ T1374]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.130430][ T1374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.130567][ T1374]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.130700][ T1374]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   74.130834][ T1374]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   74.131097][ T1374]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   74.131231][ T1374]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   74.131366][ T1374]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   74.131498][ T1374]  ? __dev_get_by_name (net/core/dev.c:883)
[   74.131634][ T1374]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   74.131774][ T1374]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   74.131970][ T1374]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   74.132178][ T1374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.132310][ T1374]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.132441][ T1374]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.132576][ T1374]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   74.132707][ T1374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.132843][ T1374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.133073][ T1374]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.133205][ T1374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   74.133337][ T1374]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.133469][ T1374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.133604][ T1374]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.133739][ T1374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.133880][ T1374]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.134014][ T1374]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   74.134147][ T1374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.134279][ T1374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.134413][ T1374]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   74.134549][ T1374]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   74.134684][ T1374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.134816][ T1374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.134958][ T1374]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.135092][ T1374]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   74.135225][ T1374]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   74.135357][ T1374]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   74.135490][ T1374]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   74.135627][ T1374]  ? copy_msghdr_from_user (net/socket.c:2635)
[   74.135760][ T1374]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   74.135937][ T1374]  ? move_addr_to_kernel (net/socket.c:258)
[   74.136075][ T1374]  ___sys_sendmsg (net/socket.c:2752)
[   74.136208][ T1374]  ? copy_msghdr_from_user (net/socket.c:2603)
[   74.136344][ T1374]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   74.136516][ T1374]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   74.136650][ T1374]  __sys_sendmsg (net/socket.c:2784)
[   74.136784][ T1374]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   74.136932][ T1374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.137065][ T1374]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.137198][ T1374]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   74.137329][ T1374]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   74.137461][ T1374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.137629][ T1374] RIP: 0033:0x7ff351ef408e
[   74.137767][ T1374] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.138249][ T1374] RSP: 002b:00007fff5e1596f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.138451][ T1374] RAX: ffffffffffffffda RBX: 00007fff5e159e98 RCX: 00007ff351ef408e
[   74.138650][ T1374] RDX: 0000000000000000 RSI: 00007fff5e1597a0 RDI: 0000000000000005
[   74.138846][ T1374] RBP: 00007fff5e159700 R08: 0000000000000000 R09: 0000000000000000
[   74.139054][ T1374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd36
[   74.139253][ T1374] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5e159e70
| [   74.169451][ T1375] ------------[ cut here ]------------
| [   74.169603][ T1375] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1375
| [   74.169876][ T1375] Modules linked in:
| [   74.170245][ T1375] Tainted: [W]=WARN
[   74.170343][ T1375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.170507][ T1375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.170676][ T1375] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.171149][ T1375] RSP: 0018:ffa0000003f57020 EFLAGS: 00010286
[   74.171312][ T1375] RAX: 00000000ffffffa6 RBX: ff1100000d31a900 RCX: 1ff40000007eadca
[   74.171510][ T1375] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a9bc
[   74.171704][ T1375] RBP: ff11000008bac000 R08: 1fe2200001a63539 R09: ff110000104b0b58
[   74.171906][ T1375] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   74.172097][ T1375] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   74.172291][ T1375] FS:  00007f3e5346d840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   74.172517][ T1375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.172678][ T1375] CR2: 00000000197e1988 CR3: 0000000012761006 CR4: 0000000000771ef0
[   74.172881][ T1375] PKRU: 55555554
[   74.172978][ T1375] Call Trace:
[   74.173074][ T1375]  <TASK>
[   74.173141][ T1375]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   74.173271][ T1375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   74.173370][ T1375]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   74.173498][ T1375]  __dev_notify_flags (net/core/dev.c:9787)
[   74.173632][ T1375]  ? netif_change_name (net/core/dev.c:1495)
[   74.173761][ T1375]  ? __dev_change_flags (net/core/dev.c:9752)
[   74.173901][ T1375]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   74.174030][ T1375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.174159][ T1375]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   74.174290][ T1375]  netif_change_flags (net/core/dev.c:9820)
[   74.174420][ T1375]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   74.174550][ T1375]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   74.174682][ T1375]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   74.174811][ T1375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   74.174984][ T1375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.175113][ T1375]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.175241][ T1375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   74.175369][ T1375]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.175500][ T1375]  ? __kernel_text_address (kernel/extable.c:79)
[   74.175633][ T1375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.175764][ T1375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.175902][ T1375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   74.176032][ T1375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.176160][ T1375]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   74.176287][ T1375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.176415][ T1375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.176548][ T1375]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   74.176678][ T1375]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   74.176808][ T1375]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   74.176946][ T1375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   74.177075][ T1375]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   74.177206][ T1375]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   74.177338][ T1375]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   74.177468][ T1375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.177600][ T1375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.177732][ T1375]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.177871][ T1375]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   74.178000][ T1375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.178131][ T1375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.178258][ T1375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.178387][ T1375]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.178518][ T1375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.178648][ T1375]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.178777][ T1375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   74.178914][ T1375]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.179042][ T1375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.179168][ T1375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.179297][ T1375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.179424][ T1375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.179553][ T1375]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   74.179682][ T1375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.179810][ T1375]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.179951][ T1375]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   74.180083][ T1375]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   74.180216][ T1375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.180345][ T1375]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.180475][ T1375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.180609][ T1375]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   74.180740][ T1375]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   74.180881][ T1375]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   74.181012][ T1375]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   74.181140][ T1375]  ? copy_msghdr_from_user (net/socket.c:2635)
[   74.181268][ T1375]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   74.181429][ T1375]  ? move_addr_to_kernel (net/socket.c:258)
[   74.181564][ T1375]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.181693][ T1375]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.181823][ T1375]  ___sys_sendmsg (net/socket.c:2752)
[   74.181963][ T1375]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   74.182123][ T1375]  ? copy_msghdr_from_user (net/socket.c:2603)
[   74.182263][ T1375]  __sys_sendmsg (net/socket.c:2784)
[   74.182391][ T1375]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   74.182521][ T1375]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   74.182683][ T1375]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.182813][ T1375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.182955][ T1375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.183084][ T1375]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   74.183213][ T1375]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   74.183342][ T1375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.183501][ T1375] RIP: 0033:0x7f3e536a708e
[   74.183639][ T1375] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.184108][ T1375] RSP: 002b:00007ffe5f37d010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.184301][ T1375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3e536a708e
[   74.184493][ T1375] RDX: 0000000000000000 RSI: 00007ffe5f37d0c0 RDI: 0000000000000005
[   74.184688][ T1375] RBP: 00007ffe5f37d020 R08: 0000000000000000 R09: 0000000000000000
[   74.184890][ T1375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd36
[   74.185082][ T1375] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5f37d790
| [   74.335499][ T1380] ------------[ cut here ]------------
| [   74.335651][ T1380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1380
| [   74.335921][ T1380] Modules linked in:
| [   74.336281][ T1380] Tainted: [W]=WARN
[   74.336378][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.336541][ T1380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.336708][ T1380] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.337593][ T1380] RSP: 0018:ffa0000003fa7060 EFLAGS: 00010286
[   74.337756][ T1380] RAX: 00000000ffffffa6 RBX: ff1100000f1b4c80 RCX: 1ff40000007f4dd2
[   74.337959][ T1380] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b4d3c
[   74.338149][ T1380] RBP: ff110000124ec000 R08: 1fe2200001e369a9 R09: ff11000009a90b58
[   74.338340][ T1380] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   74.338534][ T1380] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   74.338726][ T1380] FS:  00007f4d7b1f4840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   74.338964][ T1380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.339124][ T1380] CR2: 000000002027f988 CR3: 000000000e7b6005 CR4: 0000000000771ef0
[   74.339314][ T1380] PKRU: 55555554
[   74.339409][ T1380] Call Trace:
[   74.339508][ T1380]  <TASK>
[   74.339575][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.339703][ T1380]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   74.339830][ T1380]  notifier_call_chain (kernel/notifier.c:85)
[   74.339977][ T1380]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   74.340106][ T1380]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   74.340233][ T1380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.340361][ T1380]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   74.340489][ T1380]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   74.340626][ T1380]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   74.340757][ T1380]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   74.340897][ T1380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   74.341057][ T1380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.341185][ T1380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.341313][ T1380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   74.341441][ T1380]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.341573][ T1380]  ? __kernel_text_address (kernel/extable.c:79)
[   74.341701][ T1380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.341831][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.341968][ T1380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   74.342095][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.342222][ T1380]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   74.342352][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.342481][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.342609][ T1380]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   74.342738][ T1380]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   74.342874][ T1380]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   74.343002][ T1380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   74.343131][ T1380]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   74.343257][ T1380]  ? nla_get_range_signed (lib/nlattr.c:270)
[   74.343388][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   74.343521][ T1380]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   74.343649][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.343775][ T1380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.343910][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.344037][ T1380]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   74.344163][ T1380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.344292][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.344420][ T1380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.344549][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.344677][ T1380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.344806][ T1380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.344942][ T1380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   74.345070][ T1380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.345196][ T1380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.345323][ T1380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.345453][ T1380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.345580][ T1380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.345708][ T1380]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   74.345835][ T1380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.345973][ T1380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.346105][ T1380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   74.346231][ T1380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   74.346361][ T1380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.346489][ T1380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.346620][ T1380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.346749][ T1380]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   74.346886][ T1380]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   74.347018][ T1380]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   74.347146][ T1380]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   74.347273][ T1380]  ? copy_msghdr_from_user (net/socket.c:2635)
[   74.347401][ T1380]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   74.347560][ T1380]  ? move_addr_to_kernel (net/socket.c:258)
[   74.347688][ T1380]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.347814][ T1380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.347954][ T1380]  ___sys_sendmsg (net/socket.c:2752)
[   74.348081][ T1380]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   74.348238][ T1380]  ? copy_msghdr_from_user (net/socket.c:2603)
[   74.348379][ T1380]  __sys_sendmsg (net/socket.c:2784)
[   74.348509][ T1380]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   74.348635][ T1380]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   74.348797][ T1380]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.348937][ T1380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.349066][ T1380]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.349191][ T1380]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   74.349318][ T1380]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   74.349445][ T1380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.349607][ T1380] RIP: 0033:0x7f4d7b42e08e
[   74.349740][ T1380] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.350202][ T1380] RSP: 002b:00007ffc5a63feb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.350391][ T1380] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d7b42e08e
[   74.350582][ T1380] RDX: 0000000000000000 RSI: 00007ffc5a63ff60 RDI: 0000000000000005
[   74.350771][ T1380] RBP: 00007ffc5a63fec0 R08: 0000000000000000 R09: 0000000000000000
[   74.350970][ T1380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd36
[   74.351162][ T1380] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5a640630
| [   76.017110][   T12] ------------[ cut here ]------------
| [   76.017275][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.017519][   T12] Modules linked in:
| [   76.017897][   T12] Tainted: [W]=WARN
[   76.017985][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.018132][   T12] Workqueue: netns cleanup_net
[   76.018256][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.018407][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.018829][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.018989][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9700 RCX: 1ff4000000018eed
[   76.019163][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b97bc
[   76.019336][   T12] RBP: ff1100000968c000 R08: 1fe22000021372f9 R09: ff11000001aed1d0
[   76.019516][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.019690][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.019885][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.020094][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.020245][   T12] CR2: 00007fa64d1b9430 CR3: 0000000012839002 CR4: 0000000000771ef0
[   76.020426][   T12] PKRU: 55555554
[   76.020517][   T12] Call Trace:
[   76.020606][   T12]  <TASK>
[   76.020668][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.020822][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.020978][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.021099][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.021219][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.021336][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.021456][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.021578][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.021698][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.021816][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.021938][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.022056][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.022178][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.022376][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.022513][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.022642][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.022757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.022890][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.023011][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.023140][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.023263][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.023384][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.023500][   T12]  kthread (kernel/kthread.c:436)
[   76.023592][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.023740][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.023859][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.023990][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.024134][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.024250][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.024370][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.027796][   T12] ------------[ cut here ]------------
| [   76.028055][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.028303][   T12] Modules linked in:
| [   76.028736][   T12] Tainted: [W]=WARN
[   76.028825][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.028988][   T12] Workqueue: netns cleanup_net
[   76.029107][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.029333][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.029828][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.029984][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9a80 RCX: 1ff4000000018eed
[   76.030156][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9b3c
[   76.030398][   T12] RBP: ff11000010471000 R08: 1fe2200002137369 R09: ff11000001aed1d0
[   76.030575][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.030750][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.031005][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.031205][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.031421][   T12] CR2: 00007fa64d1b9430 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.031598][   T12] PKRU: 55555554
[   76.031683][   T12] Call Trace:
[   76.031770][   T12]  <TASK>
[   76.031830][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.032058][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.032200][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.032315][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.032501][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.032619][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.032735][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.032850][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.033044][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.033159][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.033273][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.033388][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.033578][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.033695][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.033809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.033935][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.034120][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.034237][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.034355][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.034469][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.034662][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.034781][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.034909][   T12]  kthread (kernel/kthread.c:436)
[   76.034995][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.035208][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.035327][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.035443][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.035592][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.035778][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.035904][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.038792][   T12] ------------[ cut here ]------------
| [   76.038937][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.039240][   T12] Modules linked in:
| [   76.039755][   T12] Tainted: [W]=WARN
[   76.039848][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.040004][   T12] Workqueue: netns cleanup_net
[   76.040245][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.040413][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.040930][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.041075][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0580 RCX: 1ff4000000018eed
[   76.041247][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa063c
[   76.041495][   T12] RBP: ff11000006001000 R08: 1fe22000019540c9 R09: ff11000001aed1d0
[   76.041678][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.041936][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.042108][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.042308][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.042529][   T12] CR2: 00007fa64d1b9430 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.042701][   T12] PKRU: 55555554
[   76.042787][   T12] Call Trace:
[   76.042956][   T12]  <TASK>
[   76.043018][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.043166][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.043308][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.043421][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.043545][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.043731][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.043846][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.044023][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.044190][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.044306][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.044421][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.044541][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.044657][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.044773][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.044954][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.045069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.045183][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.045301][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.045421][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.045543][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.045734][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.045853][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.046027][   T12]  kthread (kernel/kthread.c:436)
[   76.046114][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.046258][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.046377][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.046567][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.046712][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.046826][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.047005][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.049250][   T12] ------------[ cut here ]------------
| [   76.049412][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.049696][   T12] Modules linked in:
| [   76.050167][   T12] Tainted: [W]=WARN
[   76.050302][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.050496][   T12] Workqueue: netns cleanup_net
[   76.050674][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.050891][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.051357][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.051558][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa03c0 RCX: 1ff4000000018eed
[   76.051778][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa047c
[   76.052017][   T12] RBP: ff11000010619000 R08: 1fe2200001954091 R09: ff11000001aed1d0
[   76.052236][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.052458][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.052689][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.052962][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.053157][   T12] CR2: 00007fa64d44b668 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.053380][   T12] PKRU: 55555554
[   76.053516][   T12] Call Trace:
[   76.053658][   T12]  <TASK>
[   76.053765][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.053981][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.054175][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.054341][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.054508][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.054678][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.054844][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.055028][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.055197][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.055364][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.055541][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.055709][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.055896][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.056064][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.056226][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.056393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.056567][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.056735][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.056922][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.057088][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.057259][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.057428][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.057599][   T12]  kthread (kernel/kthread.c:436)
[   76.057736][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.057958][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.058123][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.058288][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.058484][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.058657][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.058825][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.061286][   T12] ------------[ cut here ]------------
| [   76.061449][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.061731][   T12] Modules linked in:
| [   76.062276][   T12] Tainted: [W]=WARN
[   76.062411][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.062685][   T12] Workqueue: netns cleanup_net
[   76.062855][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.063075][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.063631][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.063825][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0c80 RCX: 1ff4000000018eed
[   76.064065][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0d3c
[   76.064289][   T12] RBP: ff11000009b01000 R08: 1fe22000019541a9 R09: ff11000001aed1d0
[   76.064512][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.064809][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.065053][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.065307][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.065581][   T12] CR2: 00007fa64d44b668 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.065808][   T12] PKRU: 55555554
[   76.065960][   T12] Call Trace:
[   76.066095][   T12]  <TASK>
[   76.066202][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.066398][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.066600][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.066767][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.066953][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.067120][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.067285][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.067527][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.067696][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.067883][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.068119][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.068286][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.068452][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.068623][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.068785][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.069043][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.069208][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.069376][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.069625][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.069860][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.070049][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.070219][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.070384][   T12]  kthread (kernel/kthread.c:436)
[   76.070522][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.070861][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.071049][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.071213][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.071405][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.071579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.071818][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.095439][   T12] ------------[ cut here ]------------
| [   76.095614][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.095920][   T12] Modules linked in:
| [   76.096386][   T12] Tainted: [W]=WARN
[   76.096528][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.096733][   T12] Workqueue: netns cleanup_net
[   76.096928][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.097137][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.097670][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.098001][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0900 RCX: 1ff4000000018eaf
[   76.098294][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa09bc
[   76.098524][   T12] RBP: ff11000010184000 R08: 1fe2200001954139 R09: ff11000001aed1d0
[   76.098756][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   76.099004][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010094000
[   76.099237][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.099500][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.099708][   T12] CR2: 00007fa64d44b668 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.099952][   T12] PKRU: 55555554
[   76.100092][   T12] Call Trace:
[   76.100271][   T12]  <TASK>
[   76.100382][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.100565][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.100709][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.100898][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.101068][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.101237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.101408][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.101589][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.101793][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.102017][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.102188][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.102387][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.102564][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.102734][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.102955][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   76.103128][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.103302][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.103473][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.103652][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.103827][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.104017][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.104188][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.104356][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.104532][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.104705][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.104892][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.105061][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.105231][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.105400][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.105582][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.105757][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.105949][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.106123][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.106298][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.106466][   T12]  kthread (kernel/kthread.c:436)
[   76.106614][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.106815][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.107005][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.107179][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.107378][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.107554][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.107724][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.116724][   T12] ------------[ cut here ]------------
| [   76.117380][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.117724][   T12] Modules linked in:
| [   76.118302][   T12] Tainted: [W]=WARN
[   76.118489][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.118740][   T12] Workqueue: netns cleanup_net
[   76.118984][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.119252][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.119788][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.120057][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceec200 RCX: 1ff4000000018eaf
[   76.120337][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec2bc
[   76.120620][   T12] RBP: ff11000010094000 R08: 1fe22000019dd859 R09: ff11000001aed1d0
[   76.120917][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   76.121193][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100c4000
[   76.121476][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.121790][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.122060][   T12] CR2: 00007fa64d44b668 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.122336][   T12] PKRU: 55555554
[   76.122530][   T12] Call Trace:
[   76.122720][   T12]  <TASK>
[   76.122927][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.123151][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.123370][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.123568][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.123786][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.124023][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.124245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.124462][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.124734][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.125064][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.125434][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.125713][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.125921][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.126097][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.126268][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.126468][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   76.126648][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.126821][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.127011][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.127184][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.127356][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.127533][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.127707][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.127925][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.128099][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.128273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.128474][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.128653][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.128839][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.129031][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.129204][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.129381][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.129557][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.129734][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.129927][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.130098][   T12]  kthread (kernel/kthread.c:436)
[   76.130250][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.130451][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.130629][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.130802][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.131024][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.131197][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.131366][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.134415][   T12] ------------[ cut here ]------------
| [   76.134589][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.135079][   T12] Modules linked in:
| [   76.135557][   T12] Tainted: [W]=WARN
[   76.135696][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.135915][   T12] Workqueue: netns cleanup_net
[   76.136090][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.136295][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.136779][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.137004][   T12] RAX: 00000000ffffffa6 RBX: ff110000126bf540 RCX: 1ff4000000018eaf
[   76.137230][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf5fc
[   76.137456][   T12] RBP: ff110000100c4000 R08: 1fe22000024d7ec1 R09: ff11000001aed1d0
[   76.137691][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   76.137943][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   76.138172][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.138432][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.138641][   T12] CR2: 00007fa64d44b668 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.138889][   T12] PKRU: 55555554
[   76.139060][   T12] Call Trace:
[   76.139199][   T12]  <TASK>
[   76.139309][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.139480][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.139655][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.139798][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.139981][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.140150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.140322][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.140491][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.140666][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.140886][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.141087][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.141286][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.141495][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.141672][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.141845][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.142065][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   76.142238][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.142410][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.142588][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.142758][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.142950][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.143123][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.143293][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.143461][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.143639][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.143810][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.144001][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.144172][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.144345][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.144516][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.144690][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.144880][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.145050][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.145224][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.145399][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.145581][   T12]  kthread (kernel/kthread.c:436)
[   76.145719][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.145941][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.146111][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.146283][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.146484][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.146659][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.146831][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.149707][   T12] ------------[ cut here ]------------
| [   76.150306][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.150643][   T12] Modules linked in:
| [   76.151212][   T12] Tainted: [W]=WARN
[   76.151392][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.151639][   T12] Workqueue: netns cleanup_net
[   76.151856][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.152176][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.152772][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.153254][   T12] RAX: 00000000ffffffa6 RBX: ff11000010912040 RCX: 1ff4000000018ed5
[   76.153582][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109120fc
[   76.153845][   T12] RBP: ff11000010184000 R08: 1fe2200002122421 R09: ff11000001aed1d0
[   76.154207][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.154475][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.154826][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.155142][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.155383][   T12] CR2: 00007fa64d44b668 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.155663][   T12] PKRU: 55555554
[   76.155843][   T12] Call Trace:
[   76.156041][   T12]  <TASK>
[   76.156195][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.156437][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.156683][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.156915][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.157137][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.157383][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.157601][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.157812][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.158096][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.158421][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.158825][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.159028][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.159195][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.159361][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.159561][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.159732][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.159914][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.160081][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.160245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.160413][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.160590][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.160754][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.161016][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.161186][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.161349][   T12]  kthread (kernel/kthread.c:436)
[   76.161483][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.161684][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.161850][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.162036][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.162230][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.162396][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.162569][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.166974][   T12] ------------[ cut here ]------------
| [   76.167109][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.167345][   T12] Modules linked in:
| [   76.167702][   T12] Tainted: [W]=WARN
[   76.167791][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.167953][   T12] Workqueue: netns cleanup_net
[   76.168075][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.168229][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.168655][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.168802][   T12] RAX: 00000000ffffffa6 RBX: ff11000010913000 RCX: 1ff4000000018ed5
[   76.169484][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109130bc
[   76.169661][   T12] RBP: ff11000010094000 R08: 1fe2200002122619 R09: ff11000001aed1d0
[   76.169839][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   76.170076][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.170254][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.170459][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.170609][   T12] CR2: 00007fffc4af5c28 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   76.170786][   T12] PKRU: 55555554
[   76.170882][   T12] Call Trace:
[   76.170970][   T12]  <TASK>
[   76.171032][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.171182][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.171325][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.171444][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.171564][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.171713][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.171831][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.171957][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.172074][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.172192][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.172313][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.172429][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.172546][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.172665][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.172783][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.172910][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.173028][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.173147][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.173264][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.173384][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.173504][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.173627][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.173748][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.173878][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.173999][   T12]  kthread (kernel/kthread.c:436)
[   76.174092][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.174237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.174355][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.174473][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.174623][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.174738][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.174854][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.177521][   T12] ------------[ cut here ]------------
| [   76.177641][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.178069][   T12] Modules linked in:
| [   76.178433][   T12] Tainted: [W]=WARN
[   76.178522][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.178673][   T12] Workqueue: netns cleanup_net
[   76.178795][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.178956][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.179373][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.179527][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc271c0 RCX: 1ff4000000018ed5
[   76.179702][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2727c
[   76.179888][   T12] RBP: ff110000100c4000 R08: 1fe2200001b84e51 R09: ff11000001aed1d0
[   76.180063][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   76.180241][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.180422][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.180639][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.180786][   T12] CR2: 00007fffc4af5c28 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   76.180968][   T12] PKRU: 55555554
[   76.181056][   T12] Call Trace:
[   76.181145][   T12]  <TASK>
[   76.181210][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.181366][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.181517][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.181634][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.181752][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.181913][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.182033][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.182155][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.182277][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.182398][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.182522][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.182640][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.182765][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.182894][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.183021][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.183141][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.183257][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.183381][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.183503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.183624][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.183745][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.183862][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.183993][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.184115][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.184235][   T12]  kthread (kernel/kthread.c:436)
[   76.184324][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.184474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.184596][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.184714][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.184861][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.184989][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.185108][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.221749][   T12] ------------[ cut here ]------------
| [   76.221898][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.222132][   T12] Modules linked in:
| [   76.222491][   T12] Tainted: [W]=WARN
[   76.222583][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.222732][   T12] Workqueue: netns cleanup_net
[   76.222856][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.223022][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.223432][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.223587][   T12] RAX: 00000000ffffffa6 RBX: ff11000010aba900 RCX: 1ff4000000018eed
[   76.223761][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010aba9bc
[   76.223938][   T12] RBP: ff1100000f3f4000 R08: 1fe2200002157539 R09: ff11000001aed1d0
[   76.224115][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   76.224286][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.224457][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.224659][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.224802][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   76.225034][   T12] PKRU: 55555554
[   76.225122][   T12] Call Trace:
[   76.225208][   T12]  <TASK>
[   76.225269][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.225418][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.225567][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.225724][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.225846][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.225973][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.226090][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.226207][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.226329][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.226449][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.226566][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.226682][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.226803][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.226928][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.227043][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.227167][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.227281][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.227398][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.227519][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.227635][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.227755][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.227883][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.228004][   T12]  kthread (kernel/kthread.c:436)
[   76.228090][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.228234][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.228350][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.228465][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.228614][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.228734][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.228850][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.231003][   T12] ------------[ cut here ]------------
| [   76.231127][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.231348][   T12] Modules linked in:
| [   76.231698][   T12] Tainted: [W]=WARN
[   76.231785][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.232225][   T12] Workqueue: netns cleanup_net
[   76.232347][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.232496][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.232995][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.233139][   T12] RAX: 00000000ffffffa6 RBX: ff11000010abaac0 RCX: 1ff4000000018eed
[   76.233308][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abab7c
[   76.233479][   T12] RBP: ff110000089c1000 R08: 1fe2200002157571 R09: ff11000001aed1d0
[   76.233657][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   76.233828][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.234064][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.234265][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.234476][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   76.234653][   T12] PKRU: 55555554
[   76.234739][   T12] Call Trace:
[   76.234827][   T12]  <TASK>
[   76.234896][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.235046][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.235191][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.235309][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.235426][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.235543][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.235658][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.235774][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.235900][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.236016][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.236135][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.236250][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.236366][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.236481][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.236597][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.236714][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.236828][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.236955][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.237073][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.237192][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.237312][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.237431][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.237546][   T12]  kthread (kernel/kthread.c:436)
[   76.237634][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.237776][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.237902][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.238019][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.238163][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.238277][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.238391][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.240546][   T12] ------------[ cut here ]------------
| [   76.240659][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.241291][   T12] Modules linked in:
| [   76.241650][   T12] Tainted: [W]=WARN
[   76.241737][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.241939][   T12] Workqueue: netns cleanup_net
[   76.242058][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.242208][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.242624][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.242769][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01540 RCX: 1ff4000000018eed
[   76.242990][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a015fc
[   76.243164][   T12] RBP: ff1100000fc99000 R08: 1fe22000013402c1 R09: ff11000001aed1d0
[   76.243336][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   76.243509][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.243683][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.243937][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.244081][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   76.244254][   T12] PKRU: 55555554
[   76.244340][   T12] Call Trace:
[   76.244430][   T12]  <TASK>
[   76.244490][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.244638][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.244783][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.244949][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.245066][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.245180][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.245296][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.245412][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.245531][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.245645][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.245762][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.245926][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.246044][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.246160][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.246274][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.246392][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.246510][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.246629][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.246751][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.246917][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.247038][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.247157][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.247273][   T12]  kthread (kernel/kthread.c:436)
[   76.247360][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.247506][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.247626][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.247748][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.247941][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.248056][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.248172][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.250736][   T12] ------------[ cut here ]------------
| [   76.250883][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   76.251115][   T12] Modules linked in:
| [   76.251471][   T12] Tainted: [W]=WARN
[   76.251563][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.251713][   T12] Workqueue: netns cleanup_net
[   76.251833][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.252003][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.252428][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.252576][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16ae40 RCX: 1ff4000000018eed
[   76.252753][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16aefc
[   76.252938][   T12] RBP: ff11000001dec000 R08: 1fe220000142d5e1 R09: ff11000001aed1d0
[   76.253111][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   76.253285][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.253460][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   76.253665][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.253812][   T12] CR2: 00007f2a0d5f1000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   76.254009][   T12] PKRU: 55555554
[   76.254097][   T12] Call Trace:
[   76.254188][   T12]  <TASK>
[   76.254250][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.254400][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.254546][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.254662][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.254778][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.254905][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.255022][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.255138][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.255256][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.255371][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.255491][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.255609][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.255726][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.255843][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.255971][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.256088][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.256202][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.256320][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.256441][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.256560][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.256681][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.256800][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.256928][   T12]  kthread (kernel/kthread.c:436)
[   76.257016][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.257162][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.257279][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.257399][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.257546][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.257662][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.257779][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.259805][   T12] ------------[ cut here ]------------
| [   76.259936][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   76.260162][   T12] Modules linked in:
| [   76.260518][   T12] Tainted: [W]=WARN
[   76.260606][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.260758][   T12] Workqueue: netns cleanup_net
[   76.261101][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.261259][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.261676][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.261821][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16ac80 RCX: 1ff4000000018eed
[   76.262002][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16ad3c
[   76.262175][   T12] RBP: ff110000057ac000 R08: 1fe220000142d5a9 R09: ff11000001aed1d0
[   76.262352][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   76.262529][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.262702][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   76.262910][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.263054][   T12] CR2: 00007f2a0d5f1000 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   76.263231][   T12] PKRU: 55555554
[   76.263319][   T12] Call Trace:
[   76.263406][   T12]  <TASK>
[   76.263467][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.263619][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.263765][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.263895][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.264012][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.264128][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.264244][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.264366][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.264484][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.264603][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.264718][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.264834][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.264961][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.265078][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.265199][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.265316][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.265432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.265551][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.265672][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.265788][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.265917][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.266036][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.266153][   T12]  kthread (kernel/kthread.c:436)
[   76.266240][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.266384][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.266499][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.266619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.266764][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.266897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.267014][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.282810][   T12] ------------[ cut here ]------------
| [   76.282954][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.283196][   T12] Modules linked in:
| [   76.283567][   T12] Tainted: [W]=WARN
[   76.283659][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.283811][   T12] Workqueue: netns cleanup_net
[   76.283944][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.284101][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.284539][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.284690][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16a580 RCX: 1ff4000000018eaf
[   76.284879][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a63c
[   76.285064][   T12] RBP: ff1100000a83c000 R08: 1fe220000142d4c9 R09: ff11000001aed1d0
[   76.285245][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   76.285427][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124ec000
[   76.285610][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.285824][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.285988][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   76.286171][   T12] PKRU: 55555554
[   76.286262][   T12] Call Trace:
[   76.286352][   T12]  <TASK>
[   76.286416][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.286544][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.286638][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.286759][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.286890][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.287011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.287133][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.287255][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.287409][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.287564][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.287685][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.287838][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.287974][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.288095][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.288247][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   76.288372][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.288496][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.288622][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.288744][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.288874][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.288998][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.289120][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.289240][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.289360][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.289483][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.289607][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.289726][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.289851][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.289981][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.290105][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.290229][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.290350][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.290477][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.290607][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.290729][   T12]  kthread (kernel/kthread.c:436)
[   76.290821][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.290982][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.291103][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.291224][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.291375][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.291494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.291620][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.294131][   T12] ------------[ cut here ]------------
| [   76.294254][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.294497][   T12] Modules linked in:
| [   76.295084][   T12] Tainted: [W]=WARN
[   76.295230][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.295383][   T12] Workqueue: netns cleanup_net
[   76.295515][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.295673][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.296167][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.296321][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee50e40 RCX: 1ff4000000018eaf
[   76.296504][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50efc
[   76.296689][   T12] RBP: ff110000124ec000 R08: 1fe2200001dca1e1 R09: ff11000001aed1d0
[   76.296934][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   76.297116][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe4000
[   76.297352][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.297568][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.297720][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   76.297966][   T12] PKRU: 55555554
[   76.298057][   T12] Call Trace:
[   76.298150][   T12]  <TASK>
[   76.298213][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.298333][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.298457][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.298551][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.298673][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.298793][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.298968][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.299091][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.299213][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.299365][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.299520][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.299641][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.299793][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.299922][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.300043][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.300198][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   76.300322][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.300445][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.300571][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.300693][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.300816][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.300949][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.301072][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.301192][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.301314][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.301437][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.301563][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.301684][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.301807][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.301939][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.302063][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.302189][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.302310][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.302436][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.302566][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.302688][   T12]  kthread (kernel/kthread.c:436)
[   76.302779][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.302941][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.303063][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.303186][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.303337][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.303458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.303581][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.306207][   T12] ------------[ cut here ]------------
| [   76.306332][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.306577][   T12] Modules linked in:
| [   76.307017][   T12] Tainted: [W]=WARN
[   76.307109][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.307260][   T12] Workqueue: netns cleanup_net
[   76.307385][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.307546][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.308038][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.308192][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8c200 RCX: 1ff4000000018eaf
[   76.308374][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8c2bc
[   76.308565][   T12] RBP: ff1100000ffe4000 R08: 1fe2200001951859 R09: ff11000001aed1d0
[   76.308745][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   76.308981][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   76.309163][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.309377][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.309533][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   76.309717][   T12] PKRU: 55555554
[   76.309808][   T12] Call Trace:
[   76.309953][   T12]  <TASK>
[   76.310018][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.310139][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.310262][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.310354][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.310476][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.310600][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.310721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.310843][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.311018][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.311172][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.311325][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.311447][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.311611][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.311732][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.311854][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.312060][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   76.312186][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.312309][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.312432][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.312558][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.312680][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.312803][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.312978][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.313099][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.313223][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.313346][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.313468][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.313591][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.313718][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.313838][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.314014][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.314142][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.314262][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.314388][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.314518][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.314640][   T12]  kthread (kernel/kthread.c:436)
[   76.314731][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.314935][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.315059][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.315180][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.315332][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.315456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.315579][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.317844][   T12] ------------[ cut here ]------------
| [   76.317989][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.318225][   T12] Modules linked in:
| [   76.318588][   T12] Tainted: [W]=WARN
[   76.318678][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.318824][   T12] Workqueue: netns cleanup_net
[   76.318959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.319109][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.319534][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.319681][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a6200 RCX: 1ff4000000018ed5
[   76.319856][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a62bc
[   76.320041][   T12] RBP: ff1100000a83c000 R08: 1fe2200001534c59 R09: ff11000001aed1d0
[   76.320215][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.320388][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.320566][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.320771][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.320933][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29004 CR4: 0000000000771ef0
[   76.321114][   T12] PKRU: 55555554
[   76.321205][   T12] Call Trace:
[   76.321292][   T12]  <TASK>
[   76.321354][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.321502][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.321657][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.321773][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.321901][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.322051][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.322170][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.322289][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.322406][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.322532][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.322649][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.322767][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.322893][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.323010][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.323128][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.323246][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.323363][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.323481][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.323599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.323720][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.323842][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.323967][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.324089][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.324210][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.324328][   T12]  kthread (kernel/kthread.c:436)
[   76.324416][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.324567][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.324684][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.324806][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.324962][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.325079][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.325196][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.327575][   T12] ------------[ cut here ]------------
| [   76.327693][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.327933][   T12] Modules linked in:
| [   76.328289][   T12] Tainted: [W]=WARN
[   76.328377][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.328526][   T12] Workqueue: netns cleanup_net
[   76.328655][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.328806][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.329234][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.329383][   T12] RAX: 00000000ffffffa6 RBX: ff11000008dc6ac0 RCX: 1ff4000000018ed5
[   76.329561][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc6b7c
[   76.329737][   T12] RBP: ff110000124ec000 R08: 1fe22000011b8d71 R09: ff11000001aed1d0
[   76.329923][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.330097][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.330272][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.330478][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.330627][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29004 CR4: 0000000000771ef0
[   76.330804][   T12] PKRU: 55555554
[   76.330901][   T12] Call Trace:
[   76.330990][   T12]  <TASK>
[   76.331051][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.331203][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.331358][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.331475][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.331595][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.331746][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.331873][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.331991][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.332109][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.332228][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.332346][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.332463][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.332583][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.332700][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.332820][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.332949][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.333065][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.333186][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.333302][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.333420][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.333545][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.333662][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.333784][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.333919][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.334039][   T12]  kthread (kernel/kthread.c:436)
[   76.334129][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.334276][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.334397][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.334518][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.334666][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.334786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.334912][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.338575][   T12] ------------[ cut here ]------------
| [   76.338709][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.338962][   T12] Modules linked in:
| [   76.339319][   T12] Tainted: [W]=WARN
[   76.339408][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.339559][   T12] Workqueue: netns cleanup_net
[   76.339684][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.339837][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.340303][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.340455][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b7a80 RCX: 1ff4000000018ed5
[   76.340632][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b7b3c
[   76.340807][   T12] RBP: ff1100000ffe4000 R08: 1fe2200001e36f69 R09: ff11000001aed1d0
[   76.340989][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.341171][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.341349][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.341557][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.341704][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29004 CR4: 0000000000771ef0
[   76.341890][   T12] PKRU: 55555554
[   76.341979][   T12] Call Trace:
[   76.342066][   T12]  <TASK>
[   76.342130][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.342280][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.342425][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.342545][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.342662][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   76.342811][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.342939][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.343059][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.343177][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.343295][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.343414][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.343535][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.343655][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.343773][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.343902][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.344021][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.344138][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.344261][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.344378][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.344497][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.344621][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.344738][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.344861][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.344992][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.345119][   T12]  kthread (kernel/kthread.c:436)
[   76.345208][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.345355][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.345476][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.345597][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.345748][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.345875][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.345994][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.382737][   T12] ------------[ cut here ]------------
| [   76.382879][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   76.383109][   T12] Modules linked in:
| [   76.383459][   T12] Tainted: [W]=WARN
[   76.383548][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.383697][   T12] Workqueue: netns cleanup_net
[   76.383823][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.384155][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.384585][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.384731][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b6040 RCX: 1ff4000000018eed
[   76.384917][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b60fc
[   76.385090][   T12] RBP: ff110000098a9000 R08: 1fe2200001e36c21 R09: ff11000001aed1d0
[   76.385264][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   76.385435][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.385617][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.385822][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.385978][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   76.386154][   T12] PKRU: 55555554
[   76.386240][   T12] Call Trace:
[   76.386325][   T12]  <TASK>
[   76.386386][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.386536][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.386682][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.386798][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.386927][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.387043][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.387164][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.387282][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.387400][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.387520][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.387639][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.387756][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.387882][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.388013][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.388127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.388245][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.388369][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.388484][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.388607][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.388726][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.388841][   T12]  kthread (kernel/kthread.c:436)
[   76.388936][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.389078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.389194][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.389310][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.389454][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.389572][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.389687][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.399157][   T12] ------------[ cut here ]------------
| [   76.399289][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.399520][   T12] Modules linked in:
| [   76.399884][   T12] Tainted: [W]=WARN
[   76.399972][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.400120][   T12] Workqueue: netns cleanup_net
[   76.400240][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.400390][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.400803][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.400959][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5123c0 RCX: 1ff4000000018eed
[   76.401132][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51247c
[   76.401306][   T12] RBP: ff110000127cc000 R08: 1fe2200001aa2491 R09: ff11000001aed1d0
[   76.401480][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.401657][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.401831][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.402098][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.402260][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.402433][   T12] PKRU: 55555554
[   76.402524][   T12] Call Trace:
[   76.402611][   T12]  <TASK>
[   76.402672][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.402820][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.402979][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.403097][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.403210][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.403325][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.403441][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.403559][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.403675][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.403790][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.403914][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.404029][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.404143][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.404258][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.404373][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.404490][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.404614][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.404730][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.404849][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.404979][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.405094][   T12]  kthread (kernel/kthread.c:436)
[   76.405180][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.405321][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.405435][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.405551][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.405694][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.405810][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.405938][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.408318][   T12] ------------[ cut here ]------------
| [   76.408440][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.408672][   T12] Modules linked in:
| [   76.409101][   T12] Tainted: [W]=WARN
[   76.409189][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.409343][   T12] Workqueue: netns cleanup_net
[   76.409463][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.409615][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.410046][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.410197][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d512900 RCX: 1ff4000000018eed
[   76.410369][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5129bc
[   76.410543][   T12] RBP: ff11000009c51000 R08: 1fe2200001aa2539 R09: ff11000001aed1d0
[   76.410715][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.410895][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.411068][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.411268][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.411412][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.411589][   T12] PKRU: 55555554
[   76.411674][   T12] Call Trace:
[   76.411759][   T12]  <TASK>
[   76.411818][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.411975][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.412118][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.412234][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.412350][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.412467][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.412587][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.412704][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.412822][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.412946][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.413064][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.413179][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.413295][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.413413][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.413532][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.413648][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.413768][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.413894][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.414016][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.414136][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.414255][   T12]  kthread (kernel/kthread.c:436)
[   76.414342][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.414486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.414602][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.414719][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.414874][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.414991][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.415105][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.417451][   T12] ------------[ cut here ]------------
| [   76.417589][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.417822][   T12] Modules linked in:
| [   76.418745][   T12] Tainted: [W]=WARN
[   76.418847][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.419061][   T12] Workqueue: netns cleanup_net
[   76.419189][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.419340][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.419810][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.420010][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d512c80 RCX: 1ff4000000018eed
[   76.420182][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d512d3c
[   76.420357][   T12] RBP: ff110000093a4000 R08: 1fe2200001aa25a9 R09: ff11000001aed1d0
[   76.420536][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.420709][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.420941][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.421143][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.421287][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.421459][   T12] PKRU: 55555554
[   76.421546][   T12] Call Trace:
[   76.421633][   T12]  <TASK>
[   76.421694][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.421841][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.422034][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.422149][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.422264][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.422378][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.422492][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.422614][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.422731][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.422850][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.423017][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.423132][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.423245][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.423360][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.423476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.423596][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.423714][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.423828][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.423998][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.424117][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.424232][   T12]  kthread (kernel/kthread.c:436)
[   76.424319][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.424463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.424581][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.424696][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.424844][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.425009][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.425123][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.427253][   T12] ------------[ cut here ]------------
| [   76.427411][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.427695][   T12] Modules linked in:
| [   76.428162][   T12] Tainted: [W]=WARN
[   76.428298][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.428489][   T12] Workqueue: netns cleanup_net
[   76.428664][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.428951][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.429409][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   76.429612][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa18c0 RCX: 1ff4000000018eed
[   76.429862][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa197c
[   76.430114][   T12] RBP: ff1100000ef7c000 R08: 1fe2200001954331 R09: ff11000001aed1d0
[   76.430334][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.430558][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.430781][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.431052][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.431272][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   76.431493][   T12] PKRU: 55555554
[   76.431631][   T12] Call Trace:
[   76.431767][   T12]  <TASK>
[   76.431892][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.432091][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.432279][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   76.432445][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   76.432617][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   76.432781][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   76.432968][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.433135][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   76.433302][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.433466][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.433641][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.433804][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.433982][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.434152][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.434319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.434496][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.434672][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.434836][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.435023][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.435193][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.435360][   T12]  kthread (kernel/kthread.c:436)
[   76.435495][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.435695][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.435860][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.436043][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.436237][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.436404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.436577][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.450848][   T12] ------------[ cut here ]------------
| [   76.451042][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.451334][   T12] Modules linked in:
| [   76.451805][   T12] Tainted: [W]=WARN
[   76.452053][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.452256][   T12] Workqueue: netns cleanup_net
[   76.452429][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.452644][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.453156][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.453358][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa1c40 RCX: 1ff4000000018eaf
[   76.453593][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa1cfc
[   76.453852][   T12] RBP: ff11000008bac000 R08: 1fe22000019543a1 R09: ff11000001aed1d0
[   76.454104][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   76.454369][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d3c000
[   76.454609][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.454888][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.455091][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   76.455332][   T12] PKRU: 55555554
[   76.455473][   T12] Call Trace:
[   76.455618][   T12]  <TASK>
[   76.455729][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.455922][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.456067][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.456242][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.456414][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.456624][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.456824][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   76.457020][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.457224][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.457428][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   76.457610][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.457785][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.457976][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.458146][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.458318][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.458489][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.458668][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.458836][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.459032][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.459204][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.459371][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.459547][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.459717][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.459908][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.460083][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.460253][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.460427][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.460612][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.460781][   T12]  kthread (kernel/kthread.c:436)
[   76.460943][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.461142][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.461313][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.461484][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.461687][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.461857][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.462051][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.464205][   T12] ------------[ cut here ]------------
| [   76.464368][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.464665][   T12] Modules linked in:
| [   76.465616][   T12] Tainted: [W]=WARN
[   76.465807][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.466080][   T12] Workqueue: netns cleanup_net
[   76.466308][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.466571][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.467126][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.467415][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27e00 RCX: 1ff4000000018eaf
[   76.467724][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27ebc
[   76.468034][   T12] RBP: ff11000008d3c000 R08: 1fe2200001b84fd9 R09: ff11000001aed1d0
[   76.468311][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   76.468620][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089c9000
[   76.468921][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.469237][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.469519][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[   76.469802][   T12] PKRU: 55555554
[   76.470037][   T12] Call Trace:
[   76.470238][   T12]  <TASK>
[   76.470413][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.470671][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.470911][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.471134][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.471340][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.471511][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.471715][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.471905][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   76.472090][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.472294][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.472534][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   76.472708][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.472899][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.473073][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.473245][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.473414][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.473594][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.473768][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.473952][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.474131][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.474306][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.474477][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.474663][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.474863][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.475055][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.475231][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.475401][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.475585][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.475762][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.475954][   T12]  kthread (kernel/kthread.c:436)
[   76.476124][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.476325][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.476498][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.476679][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.476901][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.477072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.477243][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.479400][   T12] ------------[ cut here ]------------
| [   76.479577][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   76.479889][   T12] Modules linked in:
| [   76.480385][   T12] Tainted: [W]=WARN
[   76.480527][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.480730][   T12] Workqueue: netns cleanup_net
[   76.481151][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.481410][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.481968][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   76.482282][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8cee40 RCX: 1ff4000000018eaf
[   76.482570][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8ceefc
[   76.482848][   T12] RBP: ff110000089c9000 R08: 1fe2200001519de1 R09: ff11000001aed1d0
[   76.483144][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   76.483421][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   76.483708][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.484040][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.484321][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000068f4d003 CR4: 0000000000771ef0
[   76.484606][   T12] PKRU: 55555554
[   76.484792][   T12] Call Trace:
[   76.485000][   T12]  <TASK>
[   76.485159][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.485380][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.485605][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.485795][   T12]  netif_close_many (net/core/dev.c:1804)
[   76.486037][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   76.486257][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   76.486501][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.486725][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   76.486967][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   76.487220][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.487473][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   76.487699][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.487941][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.488194][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.488366][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.488541][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.488745][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.488938][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.489105][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.489281][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.489453][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.489628][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.489802][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.489993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.490166][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.490342][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.490518][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.490696][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.490890][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.491061][   T12]  kthread (kernel/kthread.c:436)
[   76.491202][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.491404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.491585][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.491759][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.491981][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.492155][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.492330][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.495425][   T12] ------------[ cut here ]------------
| [   76.495570][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.495853][   T12] Modules linked in:
| [   76.496413][   T12] Tainted: [W]=WARN
[   76.496501][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.496663][   T12] Workqueue: netns cleanup_net
[   76.496786][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.496954][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.497370][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.497519][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d7700 RCX: 1ff4000000018ed5
[   76.497693][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d77bc
[   76.497875][   T12] RBP: ff11000008bac000 R08: 1fe2200001adaef9 R09: ff11000001aed1d0
[   76.498057][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.498231][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.498406][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.498616][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.498764][   T12] CR2: 00007fffc4af5c28 CR3: 0000000009c29004 CR4: 0000000000771ef0
[   76.498954][   T12] PKRU: 55555554
[   76.499047][   T12] Call Trace:
[   76.499135][   T12]  <TASK>
[   76.499196][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.499347][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.499502][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   76.499625][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.499745][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.499876][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.499996][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.500114][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.500233][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.500353][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.500471][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.500595][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.500718][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.500834][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.500961][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.501076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.501197][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.501319][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.501440][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.501565][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.501686][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.501807][   T12]  kthread (kernel/kthread.c:436)
[   76.501910][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.502058][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.502176][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.502294][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.502442][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.502562][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.502681][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.518644][   T12] ------------[ cut here ]------------
| [   76.518778][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.519034][   T12] Modules linked in:
| [   76.519457][   T12] Tainted: [W]=WARN
[   76.519553][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.519701][   T12] Workqueue: netns cleanup_net
[   76.519825][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.519995][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.520415][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.520567][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b5a80 RCX: 1ff4000000018ed5
[   76.520747][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5b3c
[   76.520938][   T12] RBP: ff11000008d3c000 R08: 1fe2200001e36b69 R09: ff11000001aed1d0
[   76.521113][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.521296][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.521477][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.521686][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.521835][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.522032][   T12] PKRU: 55555554
[   76.522124][   T12] Call Trace:
[   76.522212][   T12]  <TASK>
[   76.522274][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.522427][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.522576][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   76.522696][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.522817][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.522945][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.523064][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.523183][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.523303][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.523421][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.523541][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.523660][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.523779][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.523990][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.524111][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.524227][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.524346][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.524466][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.524587][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.524708][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.524828][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.524956][   T12]  kthread (kernel/kthread.c:436)
[   76.525046][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.525191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.525309][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.525427][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.525575][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.525692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.525814][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.528729][   T12] ------------[ cut here ]------------
| [   76.528859][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   76.529463][   T12] Modules linked in:
| [   76.529822][   T12] Tainted: [W]=WARN
[   76.529926][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.530078][   T12] Workqueue: netns cleanup_net
[   76.530200][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.530353][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.530782][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   76.530938][   T12] RAX: 00000000ffffffa6 RBX: ff1100000efa0c80 RCX: 1ff4000000018ed5
[   76.531114][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa0d3c
[   76.531289][   T12] RBP: ff110000089c9000 R08: 1fe2200001df41a9 R09: ff11000001aed1d0
[   76.531465][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.531649][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   76.531832][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.532046][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.532275][   T12] CR2: 00007fffc4af5c28 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   76.532469][   T12] PKRU: 55555554
[   76.532568][   T12] Call Trace:
[   76.532657][   T12]  <TASK>
[   76.532719][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   76.532886][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   76.533037][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   76.533161][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.533280][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   76.533399][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   76.533519][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   76.533636][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   76.533755][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   76.533886][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.534002][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.534121][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   76.534242][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.534361][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   76.534479][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.534599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.534719][   T12]  process_one_work (kernel/workqueue.c:3314)
[   76.534839][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   76.534967][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.535090][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   76.535212][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   76.535331][   T12]  kthread (kernel/kthread.c:436)
[   76.535420][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.535570][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.535688][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.535809][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   76.535966][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.536084][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   76.536202][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   76.655314][ T1424] ------------[ cut here ]------------
| [   76.655500][ T1424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1424
| [   76.655815][ T1424] Modules linked in:
| [   76.656624][ T1424] Tainted: [W]=WARN
[   76.656770][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.657001][ T1424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.657220][ T1424] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.657740][ T1424] RSP: 0018:ffa0000004137a80 EFLAGS: 00010286
[   76.657973][ T1424] RAX: 00000000ffffffa6 RBX: ff11000010abba80 RCX: 1ff4000000826f16
[   76.658216][ T1424] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abbb3c
[   76.658457][ T1424] RBP: ff11000009484000 R08: 1fe2200002157769 R09: ff11000012505180
[   76.658706][ T1424] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.658969][ T1424] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009484000
[   76.659211][ T1424] FS:  00007fc990764840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.659487][ T1424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.659702][ T1424] CR2: 00007fc990970690 CR3: 000000000fc1b002 CR4: 0000000000771ef0
[   76.659964][ T1424] PKRU: 55555554
[   76.660108][ T1424] Call Trace:
[   76.660254][ T1424]  <TASK>
[   76.660370][ T1424]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.660554][ T1424]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.660733][ T1424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.660898][ T1424]  register_netdevice (net/core/dev.c:11488)
[   76.661079][ T1424]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   76.661289][ T1424]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   76.661469][ T1424]  register_netdev (net/core/dev.c:11552)
[   76.661654][ T1424]  loopback_net_init (drivers/net/loopback.c:218)
[   76.661833][ T1424]  ops_init (net/core/net_namespace.c:137)
[   76.662001][ T1424]  setup_net (net/core/net_namespace.c:446)
[   76.662149][ T1424]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   76.662325][ T1424]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   76.662504][ T1424]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   76.662689][ T1424]  copy_net_ns (net/core/net_namespace.c:579)
[   76.662888][ T1424]  create_new_namespaces (kernel/nsproxy.c:132)
[   76.663068][ T1424]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   76.663246][ T1424]  ksys_unshare (kernel/fork.c:3243)
[   76.663424][ T1424]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.663610][ T1424]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   76.663789][ T1424]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   76.663989][ T1424]  ? __ia32_sys_open (fs/open.c:1374)
[   76.664169][ T1424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   76.664344][ T1424]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   76.664523][ T1424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   76.664701][ T1424]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   76.664898][ T1424]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   76.665078][ T1424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.665286][ T1424] RIP: 0033:0x7fc990a26bcb
[   76.665469][ T1424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   76.666003][ T1424] RSP: 002b:00007ffc37eeeec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   76.666246][ T1424] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc990a26bcb
[   76.666488][ T1424] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   76.666734][ T1424] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   76.666993][ T1424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37ef10f0
[   76.667237][ T1424] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37ef2847
| [   76.671958][ T1424] ------------[ cut here ]------------
| [   76.672132][ T1424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1424
| [   76.672435][ T1424] Modules linked in:
| [   76.672914][ T1424] Tainted: [W]=WARN
[   76.673058][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.673267][ T1424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.673481][ T1424] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.674010][ T1424] RSP: 0018:ffa0000004137918 EFLAGS: 00010286
[   76.674220][ T1424] RAX: 00000000ffffffa6 RBX: ff1100000d52e3c0 RCX: 1ff4000000826ee9
[   76.674457][ T1424] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e47c
[   76.674704][ T1424] RBP: ff1100001271c000 R08: 1fe2200001aa5c91 R09: ff11000012505180
[   76.674961][ T1424] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.675205][ T1424] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001271c000
[   76.675447][ T1424] FS:  00007fc990764840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.675726][ T1424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.675955][ T1424] CR2: 00007fc990970690 CR3: 000000000fc1b002 CR4: 0000000000771ef0
[   76.676196][ T1424] PKRU: 55555554
[   76.676342][ T1424] Call Trace:
[   76.676486][ T1424]  <TASK>
[   76.676606][ T1424]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.676783][ T1424]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.676980][ T1424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.677130][ T1424]  register_netdevice (net/core/dev.c:11488)
[   76.677310][ T1424]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   76.677524][ T1424]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   76.677706][ T1424]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   76.677903][ T1424]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   76.678083][ T1424]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   76.678261][ T1424]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   76.678439][ T1424]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   76.678624][ T1424]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   76.678804][ T1424]  ops_init (net/core/net_namespace.c:137)
[   76.678975][ T1424]  setup_net (net/core/net_namespace.c:446)
[   76.679124][ T1424]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   76.679301][ T1424]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   76.679482][ T1424]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   76.679668][ T1424]  copy_net_ns (net/core/net_namespace.c:579)
[   76.679848][ T1424]  create_new_namespaces (kernel/nsproxy.c:132)
[   76.680048][ T1424]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   76.680228][ T1424]  ksys_unshare (kernel/fork.c:3243)
[   76.680406][ T1424]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.680590][ T1424]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   76.680768][ T1424]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   76.680968][ T1424]  ? __ia32_sys_open (fs/open.c:1374)
[   76.681148][ T1424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   76.681325][ T1424]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   76.681504][ T1424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   76.681689][ T1424]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   76.681888][ T1424]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   76.682069][ T1424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.682278][ T1424] RIP: 0033:0x7fc990a26bcb
[   76.682462][ T1424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   76.682996][ T1424] RSP: 002b:00007ffc37eeeec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   76.683243][ T1424] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc990a26bcb
[   76.683484][ T1424] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   76.683729][ T1424] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   76.683987][ T1424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37ef10f0
[   76.684229][ T1424] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37ef2847
| [   76.696731][ T1424] ------------[ cut here ]------------
| [   76.696950][ T1424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1424
| [   76.697260][ T1424] Modules linked in:
| [   76.697726][ T1424] Tainted: [W]=WARN
[   76.697891][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.698102][ T1424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.698321][ T1424] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.698838][ T1424] RSP: 0018:ffa00000041378f8 EFLAGS: 00010286
[   76.699070][ T1424] RAX: 00000000ffffffa6 RBX: ff1100000f1b6200 RCX: 1ff4000000826ee5
[   76.699311][ T1424] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b62bc
[   76.699560][ T1424] RBP: ff110000126d4000 R08: 1fe2200001e36c59 R09: ff11000012505180
[   76.699802][ T1424] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.700066][ T1424] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000126d4000
[   76.700310][ T1424] FS:  00007fc990764840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.700595][ T1424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.700806][ T1424] CR2: 00007fc990970690 CR3: 000000000fc1b002 CR4: 0000000000771ef0
[   76.701068][ T1424] PKRU: 55555554
[   76.701214][ T1424] Call Trace:
[   76.701360][ T1424]  <TASK>
[   76.701475][ T1424]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.701662][ T1424]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.701839][ T1424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.702011][ T1424]  register_netdevice (net/core/dev.c:11488)
[   76.702192][ T1424]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   76.702403][ T1424]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   76.702591][ T1424]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   76.702770][ T1424]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   76.702973][ T1424]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   76.703156][ T1424]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   76.703336][ T1424]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   76.703520][ T1424]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   76.703701][ T1424]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   76.703900][ T1424]  vti_init_net (net/ipv4/ip_vti.c:517)
[   76.704080][ T1424]  ops_init (net/core/net_namespace.c:137)
[   76.704228][ T1424]  setup_net (net/core/net_namespace.c:446)
[   76.704378][ T1424]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   76.704561][ T1424]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   76.704740][ T1424]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   76.704940][ T1424]  copy_net_ns (net/core/net_namespace.c:579)
[   76.705124][ T1424]  create_new_namespaces (kernel/nsproxy.c:132)
[   76.705304][ T1424]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   76.705482][ T1424]  ksys_unshare (kernel/fork.c:3243)
[   76.705669][ T1424]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.705847][ T1424]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   76.706045][ T1424]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   76.706227][ T1424]  ? __ia32_sys_open (fs/open.c:1374)
[   76.706408][ T1424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   76.706593][ T1424]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   76.706771][ T1424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   76.706971][ T1424]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   76.707153][ T1424]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   76.707332][ T1424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.707547][ T1424] RIP: 0033:0x7fc990a26bcb
[   76.707731][ T1424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   76.708262][ T1424] RSP: 002b:00007ffc37eeeec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   76.708505][ T1424] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc990a26bcb
[   76.708753][ T1424] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   76.709013][ T1424] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   76.709258][ T1424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37ef10f0
[   76.709497][ T1424] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37ef2847
| [   76.714070][ T1424] ------------[ cut here ]------------
| [   76.714246][ T1424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1424
| [   76.714551][ T1424] Modules linked in:
| [   76.715019][ T1424] Tainted: [W]=WARN
[   76.715167][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.715372][ T1424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.715594][ T1424] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.716119][ T1424] RSP: 0018:ffa0000004137a78 EFLAGS: 00010286
[   76.716331][ T1424] RAX: 00000000ffffffa6 RBX: ff1100000a9a71c0 RCX: 1ff4000000826f15
[   76.716579][ T1424] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a727c
[   76.716818][ T1424] RBP: ff11000005009000 R08: 1fe2200001534e51 R09: ff11000012505180
[   76.717076][ T1424] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.717319][ T1424] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005009000
[   76.717570][ T1424] FS:  00007fc990764840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.717842][ T1424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.718070][ T1424] CR2: 00007fc990970690 CR3: 000000000fc1b002 CR4: 0000000000771ef0
[   76.718315][ T1424] PKRU: 55555554
[   76.718458][ T1424] Call Trace:
[   76.718611][ T1424]  <TASK>
[   76.718724][ T1424]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.718919][ T1424]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.719100][ T1424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.719249][ T1424]  register_netdevice (net/core/dev.c:11488)
[   76.719426][ T1424]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   76.719645][ T1424]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.719827][ T1424]  register_netdev (net/core/dev.c:11552)
[   76.720023][ T1424]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   76.720202][ T1424]  ops_init (net/core/net_namespace.c:137)
[   76.720349][ T1424]  setup_net (net/core/net_namespace.c:446)
[   76.720495][ T1424]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   76.720677][ T1424]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   76.720859][ T1424]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   76.721058][ T1424]  copy_net_ns (net/core/net_namespace.c:579)
[   76.721237][ T1424]  create_new_namespaces (kernel/nsproxy.c:132)
[   76.721415][ T1424]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   76.721599][ T1424]  ksys_unshare (kernel/fork.c:3243)
[   76.721777][ T1424]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.721976][ T1424]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   76.722156][ T1424]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   76.722333][ T1424]  ? __ia32_sys_open (fs/open.c:1374)
[   76.722515][ T1424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   76.722694][ T1424]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   76.722889][ T1424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   76.723068][ T1424]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   76.723245][ T1424]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   76.723423][ T1424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.723640][ T1424] RIP: 0033:0x7fc990a26bcb
[   76.723821][ T1424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   76.724341][ T1424] RSP: 002b:00007ffc37eeeec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   76.724588][ T1424] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc990a26bcb
[   76.724828][ T1424] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   76.725083][ T1424] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   76.725321][ T1424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37ef10f0
[   76.725565][ T1424] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37ef2847
| [   76.730081][ T1424] ------------[ cut here ]------------
| [   76.730256][ T1424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1424
| [   76.730566][ T1424] Modules linked in:
| [   76.731037][ T1424] Tainted: [W]=WARN
[   76.731181][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.731388][ T1424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.731611][ T1424] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.732134][ T1424] RSP: 0018:ffa0000004137a68 EFLAGS: 00010286
[   76.732343][ T1424] RAX: 00000000ffffffa6 RBX: ff1100000e441700 RCX: 1ff4000000826f13
[   76.732587][ T1424] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4417bc
[   76.732829][ T1424] RBP: ff11000007861000 R08: 1fe2200001c882f9 R09: ff11000012505180
[   76.733088][ T1424] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.733326][ T1424] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007861000
[   76.733577][ T1424] FS:  00007fc990764840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.733850][ T1424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.734078][ T1424] CR2: 00007fc990970690 CR3: 000000000fc1b002 CR4: 0000000000771ef0
[   76.734320][ T1424] PKRU: 55555554
[   76.734462][ T1424] Call Trace:
[   76.734612][ T1424]  <TASK>
[   76.734725][ T1424]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.734920][ T1424]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.735100][ T1424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.735246][ T1424]  register_netdevice (net/core/dev.c:11488)
[   76.735423][ T1424]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   76.735640][ T1424]  register_netdev (net/core/dev.c:11552)
[   76.735815][ T1424]  sit_init_net (net/ipv6/sit.c:1860)
[   76.736011][ T1424]  ops_init (net/core/net_namespace.c:137)
[   76.736157][ T1424]  setup_net (net/core/net_namespace.c:446)
[   76.736304][ T1424]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   76.736479][ T1424]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   76.736658][ T1424]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   76.736835][ T1424]  copy_net_ns (net/core/net_namespace.c:579)
[   76.737030][ T1424]  create_new_namespaces (kernel/nsproxy.c:132)
[   76.737207][ T1424]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   76.737383][ T1424]  ksys_unshare (kernel/fork.c:3243)
[   76.737568][ T1424]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.737744][ T1424]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   76.737938][ T1424]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   76.738118][ T1424]  ? __ia32_sys_open (fs/open.c:1374)
[   76.738297][ T1424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   76.738472][ T1424]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   76.738653][ T1424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   76.738830][ T1424]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   76.739021][ T1424]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   76.739197][ T1424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.739401][ T1424] RIP: 0033:0x7fc990a26bcb
[   76.739588][ T1424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   76.740109][ T1424] RSP: 002b:00007ffc37eeeec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   76.740350][ T1424] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc990a26bcb
[   76.740594][ T1424] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   76.740830][ T1424] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   76.741086][ T1424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37ef10f0
[   76.741323][ T1424] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37ef2847
| [   76.746351][ T1424] ------------[ cut here ]------------
| [   76.746530][ T1424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1424
| [   76.746832][ T1424] Modules linked in:
| [   76.747297][ T1424] Tainted: [W]=WARN
[   76.747440][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.747657][ T1424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.747889][ T1424] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.748389][ T1424] RSP: 0018:ffa0000004137a78 EFLAGS: 00010286
[   76.748608][ T1424] RAX: 00000000ffffffa6 RBX: ff1100000d637000 RCX: 1ff4000000826f15
[   76.748848][ T1424] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6370bc
[   76.749103][ T1424] RBP: ff11000008341000 R08: 1fe2200001ac6e19 R09: ff11000012505180
[   76.749341][ T1424] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   76.749587][ T1424] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008341000
[   76.749830][ T1424] FS:  00007fc990764840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   76.750116][ T1424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.750323][ T1424] CR2: 00007fc990970690 CR3: 000000000fc1b002 CR4: 0000000000771ef0
[   76.750568][ T1424] PKRU: 55555554
[   76.750710][ T1424] Call Trace:
[   76.750854][ T1424]  <TASK>
[   76.750987][ T1424]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.751164][ T1424]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.751340][ T1424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.751485][ T1424]  register_netdevice (net/core/dev.c:11488)
[   76.751667][ T1424]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   76.751893][ T1424]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.752074][ T1424]  register_netdev (net/core/dev.c:11552)
[   76.752250][ T1424]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   76.752425][ T1424]  ops_init (net/core/net_namespace.c:137)
[   76.752578][ T1424]  setup_net (net/core/net_namespace.c:446)
[   76.752722][ T1424]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   76.752912][ T1424]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   76.753088][ T1424]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   76.753267][ T1424]  copy_net_ns (net/core/net_namespace.c:579)
[   76.753447][ T1424]  create_new_namespaces (kernel/nsproxy.c:132)
[   76.753632][ T1424]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   76.753807][ T1424]  ksys_unshare (kernel/fork.c:3243)
[   76.754002][ T1424]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.754179][ T1424]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   76.754356][ T1424]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   76.754536][ T1424]  ? __ia32_sys_open (fs/open.c:1374)
[   76.754716][ T1424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   76.754909][ T1424]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   76.755086][ T1424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   76.755261][ T1424]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   76.755437][ T1424]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   76.755622][ T1424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.755829][ T1424] RIP: 0033:0x7fc990a26bcb
[   76.756028][ T1424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   76.756532][ T1424] RSP: 002b:00007ffc37eeeec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   76.756774][ T1424] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc990a26bcb
[   76.757032][ T1424] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   76.757269][ T1424] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   76.757508][ T1424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc37ef10f0
[   76.757753][ T1424] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37ef2847
| [   76.792347][ T1425] ------------[ cut here ]------------
| [   76.792488][ T1425] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1425
| [   76.792750][ T1425] Modules linked in:
| [   76.793345][ T1425] Tainted: [W]=WARN
[   76.793443][ T1425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.793608][ T1425] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.793774][ T1425] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.794243][ T1425] RSP: 0018:ffa0000004147020 EFLAGS: 00010286
[   76.794403][ T1425] RAX: 00000000ffffffa6 RBX: ff11000009a00580 RCX: 1ff4000000828dca
[   76.794596][ T1425] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0063c
[   76.794786][ T1425] RBP: ff11000009484000 R08: 1fe22000013400c9 R09: ff1100000ffdd158
[   76.794984][ T1425] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   76.795175][ T1425] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   76.795367][ T1425] FS:  00007fa31020b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   76.795592][ T1425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.795752][ T1425] CR2: 00000000095f1988 CR3: 000000000fc60003 CR4: 0000000000771ef0
[   76.795952][ T1425] PKRU: 55555554
[   76.796047][ T1425] Call Trace:
[   76.796141][ T1425]  <TASK>
[   76.796208][ T1425]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.796338][ T1425]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.796435][ T1425]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   76.796566][ T1425]  __dev_notify_flags (net/core/dev.c:9787)
[   76.796696][ T1425]  ? netif_change_name (net/core/dev.c:1495)
[   76.796826][ T1425]  ? __dev_change_flags (net/core/dev.c:9752)
[   76.796969][ T1425]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   76.797096][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.797224][ T1425]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   76.797354][ T1425]  netif_change_flags (net/core/dev.c:9820)
[   76.797483][ T1425]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   76.797612][ T1425]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   76.797745][ T1425]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   76.797887][ T1425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   76.798048][ T1425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.798177][ T1425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   76.798304][ T1425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   76.798433][ T1425]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   76.798568][ T1425]  ? __kernel_text_address (kernel/extable.c:79)
[   76.798696][ T1425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   76.798826][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.798961][ T1425]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   76.799089][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.799216][ T1425]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   76.799342][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.799469][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.799602][ T1425]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   76.799729][ T1425]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   76.799858][ T1425]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   76.799997][ T1425]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   76.800126][ T1425]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   76.800256][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   76.800386][ T1425]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   76.800518][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.800645][ T1425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   76.800771][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   76.800905][ T1425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   76.801032][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.801167][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.801293][ T1425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   76.801420][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   76.801551][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   76.801679][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   76.801806][ T1425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   76.801943][ T1425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   76.802071][ T1425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.802198][ T1425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   76.802326][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   76.802452][ T1425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   76.802584][ T1425]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   76.802712][ T1425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.802840][ T1425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.802982][ T1425]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   76.803110][ T1425]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   76.803240][ T1425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.803368][ T1425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.803498][ T1425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   76.803631][ T1425]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   76.803763][ T1425]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   76.803904][ T1425]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   76.804036][ T1425]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   76.804166][ T1425]  ? copy_msghdr_from_user (net/socket.c:2635)
[   76.804295][ T1425]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   76.804454][ T1425]  ? move_addr_to_kernel (net/socket.c:258)
[   76.804586][ T1425]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   76.804713][ T1425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   76.804843][ T1425]  ___sys_sendmsg (net/socket.c:2752)
[   76.804978][ T1425]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   76.805138][ T1425]  ? copy_msghdr_from_user (net/socket.c:2603)
[   76.805279][ T1425]  __sys_sendmsg (net/socket.c:2784)
[   76.805408][ T1425]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   76.805540][ T1425]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   76.805703][ T1425]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   76.805831][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   76.805968][ T1425]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   76.806095][ T1425]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   76.806222][ T1425]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   76.806350][ T1425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.806512][ T1425] RIP: 0033:0x7fa31044508e
[   76.806648][ T1425] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   76.807114][ T1425] RSP: 002b:00007ffc2d1ae960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   76.807309][ T1425] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa31044508e
[   76.807502][ T1425] RDX: 0000000000000000 RSI: 00007ffc2d1aea10 RDI: 0000000000000005
[   76.807696][ T1425] RBP: 00007ffc2d1ae970 R08: 0000000000000000 R09: 0000000000000000
[   76.807898][ T1425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd39
[   76.808092][ T1425] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2d1af0e0
| [   76.993708][ T1433] ------------[ cut here ]------------
| [   76.993877][ T1433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1433
| [   76.994143][ T1433] Modules linked in:
| [   76.994513][ T1433] Tainted: [W]=WARN
[   76.994611][ T1433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.994772][ T1433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   76.994953][ T1433] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   76.995414][ T1433] RSP: 0018:ffa00000041c7a80 EFLAGS: 00010286
[   76.995582][ T1433] RAX: 00000000ffffffa6 RBX: ff1100000d636040 RCX: 1ff4000000838f16
[   76.995775][ T1433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6360fc
[   76.996023][ T1433] RBP: ff11000010091000 R08: 1fe2200001ac6c21 R09: ff1100000969d180
[   76.996224][ T1433] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   76.996419][ T1433] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010091000
[   76.996617][ T1433] FS:  00007fd5d9d40840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   76.996848][ T1433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.997054][ T1433] CR2: 00007fd5d9f47430 CR3: 0000000012641003 CR4: 0000000000771ef0
[   76.997251][ T1433] PKRU: 55555554
[   76.997349][ T1433] Call Trace:
[   76.997446][ T1433]  <TASK>
[   76.997517][ T1433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   76.997650][ T1433]  ? notifier_call_chain (kernel/notifier.c:85)
[   76.997781][ T1433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   76.997889][ T1433]  register_netdevice (net/core/dev.c:11488)
[   76.998022][ T1433]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   76.998186][ T1433]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   76.998317][ T1433]  register_netdev (net/core/dev.c:11552)
[   76.998446][ T1433]  loopback_net_init (drivers/net/loopback.c:218)
[   76.998580][ T1433]  ops_init (net/core/net_namespace.c:137)
[   76.998680][ T1433]  setup_net (net/core/net_namespace.c:446)
[   76.998778][ T1433]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   76.998916][ T1433]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   76.999046][ T1433]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   76.999178][ T1433]  copy_net_ns (net/core/net_namespace.c:579)
[   76.999309][ T1433]  create_new_namespaces (kernel/nsproxy.c:132)
[   76.999442][ T1433]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   76.999577][ T1433]  ksys_unshare (kernel/fork.c:3243)
[   76.999708][ T1433]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   76.999838][ T1433]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   76.999979][ T1433]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.000111][ T1433]  ? __ia32_sys_open (fs/open.c:1374)
[   77.000244][ T1433]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.000376][ T1433]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.000514][ T1433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.000645][ T1433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.000775][ T1433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.000916][ T1433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.001077][ T1433] RIP: 0033:0x7fd5da002bcb
[   77.001214][ T1433] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.001682][ T1433] RSP: 002b:00007fffe4782b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.001885][ T1433] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd5da002bcb
[   77.002079][ T1433] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.002273][ T1433] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.002468][ T1433] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4784d40
[   77.002668][ T1433] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4786847
| [   77.006862][ T1433] ------------[ cut here ]------------
| [   77.007009][ T1433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1433
| [   77.007263][ T1433] Modules linked in:
| [   77.007630][ T1433] Tainted: [W]=WARN
[   77.007728][ T1433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.007900][ T1433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.008070][ T1433] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.008534][ T1433] RSP: 0018:ffa00000041c7918 EFLAGS: 00010286
[   77.008695][ T1433] RAX: 00000000ffffffa6 RBX: ff110000109b83c0 RCX: 1ff4000000838ee9
[   77.008895][ T1433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b847c
[   77.009088][ T1433] RBP: ff11000006014000 R08: 1fe2200002137091 R09: ff1100000969d180
[   77.009281][ T1433] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   77.009473][ T1433] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006014000
[   77.009671][ T1433] FS:  00007fd5d9d40840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   77.009907][ T1433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.010068][ T1433] CR2: 00007fd5d9f47430 CR3: 0000000012641003 CR4: 0000000000771ef0
[   77.010264][ T1433] PKRU: 55555554
[   77.010359][ T1433] Call Trace:
[   77.010455][ T1433]  <TASK>
[   77.010523][ T1433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.010652][ T1433]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.010782][ T1433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.010887][ T1433]  register_netdevice (net/core/dev.c:11488)
[   77.011019][ T1433]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.011189][ T1433]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   77.011320][ T1433]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   77.011451][ T1433]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   77.011582][ T1433]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   77.011713][ T1433]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   77.011841][ T1433]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   77.011982][ T1433]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   77.012114][ T1433]  ops_init (net/core/net_namespace.c:137)
[   77.012214][ T1433]  setup_net (net/core/net_namespace.c:446)
[   77.012311][ T1433]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.012438][ T1433]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.012570][ T1433]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.012700][ T1433]  copy_net_ns (net/core/net_namespace.c:579)
[   77.012832][ T1433]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.012976][ T1433]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.013105][ T1433]  ksys_unshare (kernel/fork.c:3243)
[   77.013323][ T1433]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.013450][ T1433]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.013582][ T1433]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.013711][ T1433]  ? __ia32_sys_open (fs/open.c:1374)
[   77.013937][ T1433]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.014066][ T1433]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.014195][ T1433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.014323][ T1433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.014541][ T1433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.014669][ T1433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.014828][ T1433] RIP: 0033:0x7fd5da002bcb
[   77.015062][ T1433] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.015524][ T1433] RSP: 002b:00007fffe4782b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.015807][ T1433] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd5da002bcb
[   77.016009][ T1433] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.016212][ T1433] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.016491][ T1433] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4784d40
[   77.016686][ T1433] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4786847
| [   77.020882][ T1433] ------------[ cut here ]------------
| [   77.021018][ T1433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1433
| [   77.021362][ T1433] Modules linked in:
| [   77.021728][ T1433] Tainted: [W]=WARN
[   77.021928][ T1433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.022093][ T1433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.022262][ T1433] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.022820][ T1433] RSP: 0018:ffa00000041c78f8 EFLAGS: 00010286
[   77.023099][ T1433] RAX: 00000000ffffffa6 RBX: ff1100000ceec580 RCX: 1ff4000000838ee5
[   77.023296][ T1433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec63c
[   77.023490][ T1433] RBP: ff11000007f5c000 R08: 1fe22000019dd8c9 R09: ff1100000969d180
[   77.023776][ T1433] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   77.023977][ T1433] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f5c000
[   77.024171][ T1433] FS:  00007fd5d9d40840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   77.024488][ T1433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.024652][ T1433] CR2: 00007fd5d9f47430 CR3: 0000000012641003 CR4: 0000000000771ef0
[   77.024847][ T1433] PKRU: 55555554
[   77.024953][ T1433] Call Trace:
[   77.025051][ T1433]  <TASK>
[   77.025119][ T1433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.025250][ T1433]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.025383][ T1433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.025573][ T1433]  register_netdevice (net/core/dev.c:11488)
[   77.025705][ T1433]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.025876][ T1433]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   77.026009][ T1433]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   77.026227][ T1433]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   77.026358][ T1433]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   77.026489][ T1433]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   77.026625][ T1433]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   77.026843][ T1433]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   77.026982][ T1433]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.027115][ T1433]  vti_init_net (net/ipv4/ip_vti.c:517)
[   77.027247][ T1433]  ops_init (net/core/net_namespace.c:137)
[   77.027435][ T1433]  setup_net (net/core/net_namespace.c:446)
[   77.027537][ T1433]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.027667][ T1433]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.027798][ T1433]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.027941][ T1433]  copy_net_ns (net/core/net_namespace.c:579)
[   77.028073][ T1433]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.028208][ T1433]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.028339][ T1433]  ksys_unshare (kernel/fork.c:3243)
[   77.028562][ T1433]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.028692][ T1433]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.028823][ T1433]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.028967][ T1433]  ? __ia32_sys_open (fs/open.c:1374)
[   77.029187][ T1433]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.029317][ T1433]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.029447][ T1433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.029580][ T1433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.029796][ T1433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.029938][ T1433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.030099][ T1433] RIP: 0033:0x7fd5da002bcb
[   77.030235][ T1433] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.030797][ T1433] RSP: 002b:00007fffe4782b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.031004][ T1433] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd5da002bcb
[   77.031200][ T1433] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.031396][ T1433] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.031682][ T1433] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4784d40
[   77.031884][ T1433] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4786847
| [   77.036413][ T1433] ------------[ cut here ]------------
| [   77.036551][ T1433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1433
| [   77.036807][ T1433] Modules linked in:
| [   77.037269][ T1433] Tainted: [W]=WARN
[   77.037367][ T1433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.037532][ T1433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.037699][ T1433] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.038264][ T1433] RSP: 0018:ffa00000041c7a78 EFLAGS: 00010286
[   77.038518][ T1433] RAX: 00000000ffffffa6 RBX: ff1100000d31a900 RCX: 1ff4000000838f15
[   77.038711][ T1433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a9bc
[   77.038917][ T1433] RBP: ff1100000a1a4000 R08: 1fe2200001a63539 R09: ff1100000969d180
[   77.039199][ T1433] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   77.039391][ T1433] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a1a4000
[   77.039585][ T1433] FS:  00007fd5d9d40840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   77.039916][ T1433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.040079][ T1433] CR2: 00007fd5d9f47430 CR3: 0000000012641003 CR4: 0000000000771ef0
[   77.040362][ T1433] PKRU: 55555554
[   77.040459][ T1433] Call Trace:
[   77.040559][ T1433]  <TASK>
[   77.040627][ T1433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.040756][ T1433]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.040982][ T1433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.041083][ T1433]  register_netdevice (net/core/dev.c:11488)
[   77.041214][ T1433]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.041374][ T1433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.041595][ T1433]  register_netdev (net/core/dev.c:11552)
[   77.041725][ T1433]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   77.041858][ T1433]  ops_init (net/core/net_namespace.c:137)
[   77.041969][ T1433]  setup_net (net/core/net_namespace.c:446)
[   77.042067][ T1433]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.042285][ T1433]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.042415][ T1433]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.042551][ T1433]  copy_net_ns (net/core/net_namespace.c:579)
[   77.042681][ T1433]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.042908][ T1433]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.043039][ T1433]  ksys_unshare (kernel/fork.c:3243)
[   77.043168][ T1433]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.043298][ T1433]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.043515][ T1433]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.043645][ T1433]  ? __ia32_sys_open (fs/open.c:1374)
[   77.043776][ T1433]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.043998][ T1433]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.044126][ T1433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.044252][ T1433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.044382][ T1433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.044514][ T1433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.044759][ T1433] RIP: 0033:0x7fd5da002bcb
[   77.044903][ T1433] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.045455][ T1433] RSP: 002b:00007fffe4782b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.045651][ T1433] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd5da002bcb
[   77.045942][ T1433] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.046134][ T1433] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.046324][ T1433] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4784d40
[   77.046610][ T1433] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4786847
| [   77.051051][ T1433] ------------[ cut here ]------------
| [   77.051187][ T1433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1433
| [   77.051535][ T1433] Modules linked in:
| [   77.051993][ T1433] Tainted: [W]=WARN
[   77.052091][ T1433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.052253][ T1433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.052419][ T1433] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.052980][ T1433] RSP: 0018:ffa00000041c7a68 EFLAGS: 00010286
[   77.053231][ T1433] RAX: 00000000ffffffa6 RBX: ff1100000d472580 RCX: 1ff4000000838f13
[   77.053422][ T1433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d47263c
[   77.053617][ T1433] RBP: ff1100000fd64000 R08: 1fe2200001a8e4c9 R09: ff1100000969d180
[   77.053905][ T1433] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   77.054098][ T1433] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd64000
[   77.054295][ T1433] FS:  00007fd5d9d40840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   77.054612][ T1433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.054775][ T1433] CR2: 00007fd5d9f47430 CR3: 0000000012641003 CR4: 0000000000771ef0
[   77.055066][ T1433] PKRU: 55555554
[   77.055163][ T1433] Call Trace:
[   77.055261][ T1433]  <TASK>
[   77.055328][ T1433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.055458][ T1433]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.055678][ T1433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.055778][ T1433]  register_netdevice (net/core/dev.c:11488)
[   77.055918][ T1433]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.056083][ T1433]  register_netdev (net/core/dev.c:11552)
[   77.056298][ T1433]  sit_init_net (net/ipv6/sit.c:1860)
[   77.056428][ T1433]  ops_init (net/core/net_namespace.c:137)
[   77.056532][ T1433]  setup_net (net/core/net_namespace.c:446)
[   77.056631][ T1433]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.056759][ T1433]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.056983][ T1433]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.057114][ T1433]  copy_net_ns (net/core/net_namespace.c:579)
[   77.057244][ T1433]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.057377][ T1433]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.057594][ T1433]  ksys_unshare (kernel/fork.c:3243)
[   77.057722][ T1433]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.057852][ T1433]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.058074][ T1433]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.058205][ T1433]  ? __ia32_sys_open (fs/open.c:1374)
[   77.058334][ T1433]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.058463][ T1433]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.058595][ T1433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.058810][ T1433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.058948][ T1433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.059078][ T1433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.059321][ T1433] RIP: 0033:0x7fd5da002bcb
[   77.059456][ T1433] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.060020][ T1433] RSP: 002b:00007fffe4782b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.060214][ T1433] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd5da002bcb
[   77.060407][ T1433] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.060694][ T1433] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.060896][ T1433] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4784d40
[   77.061177][ T1433] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4786847
| [   77.075931][ T1433] ------------[ cut here ]------------
| [   77.076069][ T1433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1433
| [   77.076327][ T1433] Modules linked in:
| [   77.076699][ T1433] Tainted: [W]=WARN
[   77.076798][ T1433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.076970][ T1433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.077138][ T1433] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.077602][ T1433] RSP: 0018:ffa00000041c7a78 EFLAGS: 00010286
[   77.077766][ T1433] RAX: 00000000ffffffa6 RBX: ff11000001f46ac0 RCX: 1ff4000000838f15
[   77.077973][ T1433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001f46b7c
[   77.078168][ T1433] RBP: ff110000096b4000 R08: 1fe22000003e8d71 R09: ff1100000969d180
[   77.078362][ T1433] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   77.078560][ T1433] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000096b4000
[   77.078753][ T1433] FS:  00007fd5d9d40840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   77.078992][ T1433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.079156][ T1433] CR2: 00007fd5d9f47430 CR3: 0000000012641003 CR4: 0000000000771ef0
[   77.079350][ T1433] PKRU: 55555554
[   77.079448][ T1433] Call Trace:
[   77.079550][ T1433]  <TASK>
[   77.079617][ T1433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.079747][ T1433]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.079887][ T1433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.079989][ T1433]  register_netdevice (net/core/dev.c:11488)
[   77.080122][ T1433]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.080282][ T1433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.080414][ T1433]  register_netdev (net/core/dev.c:11552)
[   77.080546][ T1433]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   77.080677][ T1433]  ops_init (net/core/net_namespace.c:137)
[   77.080776][ T1433]  setup_net (net/core/net_namespace.c:446)
[   77.080883][ T1433]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.081014][ T1433]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.081143][ T1433]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.081274][ T1433]  copy_net_ns (net/core/net_namespace.c:579)
[   77.081405][ T1433]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.081541][ T1433]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.081671][ T1433]  ksys_unshare (kernel/fork.c:3243)
[   77.081800][ T1433]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.081941][ T1433]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.082074][ T1433]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.082205][ T1433]  ? __ia32_sys_open (fs/open.c:1374)
[   77.082335][ T1433]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.082463][ T1433]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.082596][ T1433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.082724][ T1433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.082854][ T1433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.082992][ T1433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.083152][ T1433] RIP: 0033:0x7fd5da002bcb
[   77.083284][ T1433] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.083748][ T1433] RSP: 002b:00007fffe4782b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.083950][ T1433] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd5da002bcb
[   77.084143][ T1433] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.084336][ T1433] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.084534][ T1433] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe4784d40
[   77.084729][ T1433] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4786847
| [   77.108395][ T1434] ------------[ cut here ]------------
| [   77.108579][ T1434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1434
| [   77.108902][ T1434] Modules linked in:
| [   77.109361][ T1434] Tainted: [W]=WARN
[   77.109504][ T1434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.109718][ T1434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.109957][ T1434] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.110462][ T1434] RSP: 0018:ffa00000041d7020 EFLAGS: 00010286
[   77.110681][ T1434] RAX: 00000000ffffffa6 RBX: ff110000105f2c80 RCX: 1ff400000083adca
[   77.110940][ T1434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2d3c
[   77.111179][ T1434] RBP: ff11000010091000 R08: 1fe22000020be5a9 R09: ff11000012565158
[   77.111417][ T1434] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   77.111661][ T1434] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   77.111918][ T1434] FS:  00007efd78313840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   77.112192][ T1434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.112401][ T1434] CR2: 000000003f3dd988 CR3: 000000000e734006 CR4: 0000000000771ef0
[   77.112650][ T1434] PKRU: 55555554
[   77.112794][ T1434] Call Trace:
[   77.112958][ T1434]  <TASK>
[   77.113072][ T1434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.113249][ T1434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.113395][ T1434]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   77.113580][ T1434]  __dev_notify_flags (net/core/dev.c:9787)
[   77.113761][ T1434]  ? netif_change_name (net/core/dev.c:1495)
[   77.113958][ T1434]  ? __dev_change_flags (net/core/dev.c:9752)
[   77.114135][ T1434]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   77.114311][ T1434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.114488][ T1434]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   77.114674][ T1434]  netif_change_flags (net/core/dev.c:9820)
[   77.114851][ T1434]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   77.115050][ T1434]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   77.115230][ T1434]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   77.115407][ T1434]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   77.115626][ T1434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.115803][ T1434]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.116000][ T1434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.116181][ T1434]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.116358][ T1434]  ? __kernel_text_address (kernel/extable.c:79)
[   77.116538][ T1434]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.116717][ T1434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.116911][ T1434]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.117088][ T1434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.117265][ T1434]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   77.117439][ T1434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.117624][ T1434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.117801][ T1434]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   77.117996][ T1434]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   77.118174][ T1434]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   77.118350][ T1434]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.118532][ T1434]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   77.118714][ T1434]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   77.118915][ T1434]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.119098][ T1434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.119273][ T1434]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.119450][ T1434]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.119633][ T1434]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.119809][ T1434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.120011][ T1434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.120188][ T1434]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.120370][ T1434]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.120553][ T1434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.120732][ T1434]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.120927][ T1434]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.121107][ T1434]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.121283][ T1434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.121461][ T1434]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.121649][ T1434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.121829][ T1434]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.122027][ T1434]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.122207][ T1434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.122386][ T1434]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.122574][ T1434]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.122750][ T1434]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.122949][ T1434]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.123132][ T1434]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.123309][ T1434]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.123487][ T1434]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   77.123672][ T1434]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   77.123852][ T1434]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   77.124053][ T1434]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   77.124232][ T1434]  ? copy_msghdr_from_user (net/socket.c:2635)
[   77.124409][ T1434]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   77.124626][ T1434]  ? move_addr_to_kernel (net/socket.c:258)
[   77.124806][ T1434]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.125007][ T1434]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.125192][ T1434]  ___sys_sendmsg (net/socket.c:2752)
[   77.125370][ T1434]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   77.125588][ T1434]  ? copy_msghdr_from_user (net/socket.c:2603)
[   77.125776][ T1434]  __sys_sendmsg (net/socket.c:2784)
[   77.125979][ T1434]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   77.126157][ T1434]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   77.126370][ T1434]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.126556][ T1434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.126735][ T1434]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.126933][ T1434]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.127113][ T1434]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.127297][ T1434]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.127506][ T1434] RIP: 0033:0x7efd7854d08e
[   77.127696][ T1434] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.128216][ T1434] RSP: 002b:00007ffe6cd9ae80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.128463][ T1434] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efd7854d08e
[   77.128711][ T1434] RDX: 0000000000000000 RSI: 00007ffe6cd9af30 RDI: 0000000000000005
[   77.128973][ T1434] RBP: 00007ffe6cd9ae90 R08: 0000000000000000 R09: 0000000000000000
[   77.129213][ T1434] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd39
[   77.129458][ T1434] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6cd9b600
| [   77.332274][ T1442] ------------[ cut here ]------------
| [   77.332431][ T1442] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1442
| [   77.332696][ T1442] Modules linked in:
| [   77.333079][ T1442] Tainted: [W]=WARN
[   77.333180][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.333342][ T1442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.333517][ T1442] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.333996][ T1442] RSP: 0018:ffa0000004237a80 EFLAGS: 00010286
[   77.334162][ T1442] RAX: 00000000ffffffa6 RBX: ff1100000f1b4580 RCX: 1ff4000000846f16
[   77.334355][ T1442] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b463c
[   77.334552][ T1442] RBP: ff11000005821000 R08: 1fe2200001e368c9 R09: ff110000104b0b80
[   77.334747][ T1442] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   77.334954][ T1442] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005821000
[   77.335149][ T1442] FS:  00007f90c7375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.335377][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.335546][ T1442] CR2: 00007f90c7581690 CR3: 00000000108ab006 CR4: 0000000000771ef0
[   77.335743][ T1442] PKRU: 55555554
[   77.335842][ T1442] Call Trace:
[   77.335950][ T1442]  <TASK>
[   77.336019][ T1442]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.336150][ T1442]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.336283][ T1442]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.336384][ T1442]  register_netdevice (net/core/dev.c:11488)
[   77.336520][ T1442]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.336682][ T1442]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   77.336814][ T1442]  register_netdev (net/core/dev.c:11552)
[   77.336951][ T1442]  loopback_net_init (drivers/net/loopback.c:218)
[   77.337084][ T1442]  ops_init (net/core/net_namespace.c:137)
[   77.337185][ T1442]  setup_net (net/core/net_namespace.c:446)
[   77.337284][ T1442]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.337413][ T1442]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.337548][ T1442]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.337682][ T1442]  copy_net_ns (net/core/net_namespace.c:579)
[   77.337813][ T1442]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.338504][ T1442]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.338640][ T1442]  ksys_unshare (kernel/fork.c:3243)
[   77.338771][ T1442]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.338966][ T1442]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.339140][ T1442]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.339272][ T1442]  ? __ia32_sys_open (fs/open.c:1374)
[   77.339404][ T1442]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.339539][ T1442]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.339668][ T1442]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.339798][ T1442]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.339942][ T1442]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.340075][ T1442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.340239][ T1442] RIP: 0033:0x7f90c7637bcb
[   77.340377][ T1442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.340846][ T1442] RSP: 002b:00007ffdda120e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.341056][ T1442] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90c7637bcb
[   77.341251][ T1442] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.341448][ T1442] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.341644][ T1442] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda1230b0
[   77.341841][ T1442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda123847
| [   77.346089][ T1442] ------------[ cut here ]------------
| [   77.346228][ T1442] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1442
| [   77.346485][ T1442] Modules linked in:
| [   77.346848][ T1442] Tainted: [W]=WARN
[   77.347189][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.347352][ T1442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.347524][ T1442] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.347994][ T1442] RSP: 0018:ffa0000004237918 EFLAGS: 00010286
[   77.348159][ T1442] RAX: 00000000ffffffa6 RBX: ff1100000ca8d540 RCX: 1ff4000000846ee9
[   77.348354][ T1442] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d5fc
[   77.348550][ T1442] RBP: ff11000010099000 R08: 1fe2200001951ac1 R09: ff110000104b0b80
[   77.348743][ T1442] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   77.348952][ T1442] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010099000
[   77.349149][ T1442] FS:  00007f90c7375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.349376][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.349542][ T1442] CR2: 00007f90c7581690 CR3: 00000000108ab006 CR4: 0000000000771ef0
[   77.349737][ T1442] PKRU: 55555554
[   77.349833][ T1442] Call Trace:
[   77.349940][ T1442]  <TASK>
[   77.350008][ T1442]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.350139][ T1442]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.350268][ T1442]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.350367][ T1442]  register_netdevice (net/core/dev.c:11488)
[   77.350499][ T1442]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.350662][ T1442]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   77.350795][ T1442]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   77.350939][ T1442]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   77.351068][ T1442]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   77.351199][ T1442]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   77.351329][ T1442]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   77.351461][ T1442]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   77.351598][ T1442]  ops_init (net/core/net_namespace.c:137)
[   77.351698][ T1442]  setup_net (net/core/net_namespace.c:446)
[   77.351796][ T1442]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.351937][ T1442]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.352066][ T1442]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.352198][ T1442]  copy_net_ns (net/core/net_namespace.c:579)
[   77.352329][ T1442]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.352461][ T1442]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.352594][ T1442]  ksys_unshare (kernel/fork.c:3243)
[   77.352722][ T1442]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.352853][ T1442]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.352993][ T1442]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.353124][ T1442]  ? __ia32_sys_open (fs/open.c:1374)
[   77.353255][ T1442]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.353383][ T1442]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.353517][ T1442]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.353646][ T1442]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.353773][ T1442]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.353913][ T1442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.354075][ T1442] RIP: 0033:0x7f90c7637bcb
[   77.354209][ T1442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.354670][ T1442] RSP: 002b:00007ffdda120e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.354874][ T1442] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90c7637bcb
[   77.355066][ T1442] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.355259][ T1442] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.355452][ T1442] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda1230b0
[   77.355647][ T1442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda123847
| [   77.359429][ T1442] ------------[ cut here ]------------
| [   77.359569][ T1442] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1442
| [   77.359825][ T1442] Modules linked in:
| [   77.360198][ T1442] Tainted: [W]=WARN
[   77.360298][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.360464][ T1442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.360638][ T1442] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.361110][ T1442] RSP: 0018:ffa00000042378f8 EFLAGS: 00010286
[   77.361275][ T1442] RAX: 00000000ffffffa6 RBX: ff1100000c04ae40 RCX: 1ff4000000846ee5
[   77.361473][ T1442] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04aefc
[   77.361670][ T1442] RBP: ff110000092b1000 R08: 1fe22000018095e1 R09: ff110000104b0b80
[   77.361877][ T1442] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   77.362073][ T1442] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092b1000
[   77.362271][ T1442] FS:  00007f90c7375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.362500][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.362668][ T1442] CR2: 00007f90c7581690 CR3: 00000000108ab006 CR4: 0000000000771ef0
[   77.362875][ T1442] PKRU: 55555554
[   77.362974][ T1442] Call Trace:
[   77.363070][ T1442]  <TASK>
[   77.363139][ T1442]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.363270][ T1442]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.363401][ T1442]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.363501][ T1442]  register_netdevice (net/core/dev.c:11488)
[   77.363639][ T1442]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.363802][ T1442]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   77.363945][ T1442]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   77.364078][ T1442]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   77.364208][ T1442]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   77.364339][ T1442]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   77.364471][ T1442]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   77.364608][ T1442]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   77.364741][ T1442]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.364884][ T1442]  vti_init_net (net/ipv4/ip_vti.c:517)
[   77.365017][ T1442]  ops_init (net/core/net_namespace.c:137)
[   77.365119][ T1442]  setup_net (net/core/net_namespace.c:446)
[   77.365218][ T1442]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.365347][ T1442]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.365479][ T1442]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.365615][ T1442]  copy_net_ns (net/core/net_namespace.c:579)
[   77.365747][ T1442]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.365889][ T1442]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.366025][ T1442]  ksys_unshare (kernel/fork.c:3243)
[   77.366156][ T1442]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.366287][ T1442]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.366419][ T1442]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.366552][ T1442]  ? __ia32_sys_open (fs/open.c:1374)
[   77.366686][ T1442]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.366816][ T1442]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.366957][ T1442]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.367087][ T1442]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.367217][ T1442]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.367346][ T1442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.367511][ T1442] RIP: 0033:0x7f90c7637bcb
[   77.367648][ T1442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.368121][ T1442] RSP: 002b:00007ffdda120e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.368319][ T1442] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90c7637bcb
[   77.368518][ T1442] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.368713][ T1442] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.368920][ T1442] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda1230b0
[   77.369117][ T1442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda123847
| [   77.373167][ T1442] ------------[ cut here ]------------
| [   77.373303][ T1442] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1442
| [   77.373562][ T1442] Modules linked in:
| [   77.373937][ T1442] Tainted: [W]=WARN
[   77.374034][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.374197][ T1442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.374365][ T1442] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.374832][ T1442] RSP: 0018:ffa0000004237a78 EFLAGS: 00010286
[   77.375005][ T1442] RAX: 00000000ffffffa6 RBX: ff1100000caa1700 RCX: 1ff4000000846f15
[   77.375199][ T1442] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa17bc
[   77.375391][ T1442] RBP: ff1100000ed01000 R08: 1fe22000019542f9 R09: ff110000104b0b80
[   77.375590][ T1442] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   77.375784][ T1442] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ed01000
[   77.375985][ T1442] FS:  00007f90c7375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.376212][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.376374][ T1442] CR2: 00007f90c7581690 CR3: 00000000108ab006 CR4: 0000000000771ef0
[   77.376580][ T1442] PKRU: 55555554
[   77.376677][ T1442] Call Trace:
[   77.376774][ T1442]  <TASK>
[   77.376842][ T1442]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.376987][ T1442]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.377116][ T1442]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.377216][ T1442]  register_netdevice (net/core/dev.c:11488)
[   77.377349][ T1442]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.377514][ T1442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.377646][ T1442]  register_netdev (net/core/dev.c:11552)
[   77.377776][ T1442]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   77.377919][ T1442]  ops_init (net/core/net_namespace.c:137)
[   77.378018][ T1442]  setup_net (net/core/net_namespace.c:446)
[   77.378116][ T1442]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.378246][ T1442]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.378377][ T1442]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.378513][ T1442]  copy_net_ns (net/core/net_namespace.c:579)
[   77.378645][ T1442]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.378778][ T1442]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.378918][ T1442]  ksys_unshare (kernel/fork.c:3243)
[   77.379048][ T1442]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.379178][ T1442]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.379308][ T1442]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.379439][ T1442]  ? __ia32_sys_open (fs/open.c:1374)
[   77.379576][ T1442]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.379705][ T1442]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.379833][ T1442]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.379977][ T1442]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.380121][ T1442]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.380252][ T1442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.380412][ T1442] RIP: 0033:0x7f90c7637bcb
[   77.380551][ T1442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.381020][ T1442] RSP: 002b:00007ffdda120e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.381217][ T1442] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90c7637bcb
[   77.381413][ T1442] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.381610][ T1442] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.381802][ T1442] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda1230b0
[   77.382008][ T1442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda123847
| [   77.387033][ T1442] ------------[ cut here ]------------
| [   77.387169][ T1442] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1442
| [   77.387429][ T1442] Modules linked in:
| [   77.387793][ T1442] Tainted: [W]=WARN
[   77.387903][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.388065][ T1442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.388233][ T1442] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.388697][ T1442] RSP: 0018:ffa0000004237a68 EFLAGS: 00010286
[   77.388862][ T1442] RAX: 00000000ffffffa6 RBX: ff1100000b7d4580 RCX: 1ff4000000846f13
[   77.389069][ T1442] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d463c
[   77.389262][ T1442] RBP: ff110000101b4000 R08: 1fe22000016fa8c9 R09: ff110000104b0b80
[   77.389454][ T1442] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   77.389648][ T1442] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000101b4000
[   77.389843][ T1442] FS:  00007f90c7375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.390079][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.390241][ T1442] CR2: 00007f90c7581690 CR3: 00000000108ab006 CR4: 0000000000771ef0
[   77.390435][ T1442] PKRU: 55555554
[   77.390535][ T1442] Call Trace:
[   77.390631][ T1442]  <TASK>
[   77.390697][ T1442]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.390830][ T1442]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.390972][ T1442]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.391071][ T1442]  register_netdevice (net/core/dev.c:11488)
[   77.391203][ T1442]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.391367][ T1442]  register_netdev (net/core/dev.c:11552)
[   77.391496][ T1442]  sit_init_net (net/ipv6/sit.c:1860)
[   77.391631][ T1442]  ops_init (net/core/net_namespace.c:137)
[   77.391731][ T1442]  setup_net (net/core/net_namespace.c:446)
[   77.391831][ T1442]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.391969][ T1442]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.392099][ T1442]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.392230][ T1442]  copy_net_ns (net/core/net_namespace.c:579)
[   77.392360][ T1442]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.392490][ T1442]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.392625][ T1442]  ksys_unshare (kernel/fork.c:3243)
[   77.392753][ T1442]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.392887][ T1442]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.393023][ T1442]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.393152][ T1442]  ? __ia32_sys_open (fs/open.c:1374)
[   77.393282][ T1442]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.393410][ T1442]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.393542][ T1442]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.393671][ T1442]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.393799][ T1442]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.393992][ T1442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.394154][ T1442] RIP: 0033:0x7f90c7637bcb
[   77.394288][ T1442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.394750][ T1442] RSP: 002b:00007ffdda120e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.395006][ T1442] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90c7637bcb
[   77.395199][ T1442] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.395392][ T1442] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.395586][ T1442] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda1230b0
[   77.395777][ T1442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda123847
| [   77.411996][ T1442] ------------[ cut here ]------------
| [   77.412145][ T1442] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1442
| [   77.412404][ T1442] Modules linked in:
| [   77.412769][ T1442] Tainted: [W]=WARN
[   77.412878][ T1442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.413049][ T1442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.413219][ T1442] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.413682][ T1442] RSP: 0018:ffa0000004237a78 EFLAGS: 00010286
[   77.413846][ T1442] RAX: 00000000ffffffa6 RBX: ff1100000d473540 RCX: 1ff4000000846f15
[   77.414047][ T1442] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4735fc
[   77.414241][ T1442] RBP: ff11000005bcc000 R08: 1fe2200001a8e6c1 R09: ff110000104b0b80
[   77.414435][ T1442] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   77.414633][ T1442] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005bcc000
[   77.414828][ T1442] FS:  00007f90c7375840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   77.415070][ T1442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.415237][ T1442] CR2: 00007fd5d9fcb2a0 CR3: 00000000108ab004 CR4: 0000000000771ef0
[   77.415433][ T1442] PKRU: 55555554
[   77.415534][ T1442] Call Trace:
[   77.415630][ T1442]  <TASK>
[   77.415697][ T1442]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.415828][ T1442]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.415969][ T1442]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.416069][ T1442]  register_netdevice (net/core/dev.c:11488)
[   77.416201][ T1442]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   77.416362][ T1442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.416494][ T1442]  register_netdev (net/core/dev.c:11552)
[   77.416629][ T1442]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   77.416760][ T1442]  ops_init (net/core/net_namespace.c:137)
[   77.416859][ T1442]  setup_net (net/core/net_namespace.c:446)
[   77.416967][ T1442]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   77.417096][ T1442]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   77.417226][ T1442]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   77.417357][ T1442]  copy_net_ns (net/core/net_namespace.c:579)
[   77.417487][ T1442]  create_new_namespaces (kernel/nsproxy.c:132)
[   77.417621][ T1442]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   77.417751][ T1442]  ksys_unshare (kernel/fork.c:3243)
[   77.417887][ T1442]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.418016][ T1442]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   77.418146][ T1442]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   77.418275][ T1442]  ? __ia32_sys_open (fs/open.c:1374)
[   77.418406][ T1442]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   77.418539][ T1442]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   77.418668][ T1442]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.418798][ T1442]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.418938][ T1442]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.419069][ T1442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.419231][ T1442] RIP: 0033:0x7f90c7637bcb
[   77.419367][ T1442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   77.419831][ T1442] RSP: 002b:00007ffdda120e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   77.420037][ T1442] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f90c7637bcb
[   77.420228][ T1442] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   77.420420][ T1442] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   77.420614][ T1442] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda1230b0
[   77.420806][ T1442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda123847
| [   77.443953][ T1443] ------------[ cut here ]------------
| [   77.444142][ T1443] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1443
| [   77.444446][ T1443] Modules linked in:
| [   77.444928][ T1443] Tainted: [W]=WARN
[   77.445073][ T1443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.445280][ T1443] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.445495][ T1443] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.446031][ T1443] RSP: 0018:ffa0000004247020 EFLAGS: 00010286
[   77.446243][ T1443] RAX: 00000000ffffffa6 RBX: ff1100000b7d5a80 RCX: 1ff4000000848dca
[   77.446482][ T1443] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d5b3c
[   77.446726][ T1443] RBP: ff11000005821000 R08: 1fe22000016fab69 R09: ff1100000f0bd158
[   77.447070][ T1443] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   77.447386][ T1443] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   77.447709][ T1443] FS:  00007fbc36689840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   77.448078][ T1443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.448377][ T1443] CR2: 00000000364fd988 CR3: 0000000009cc6003 CR4: 0000000000771ef0
[   77.448702][ T1443] PKRU: 55555554
[   77.448942][ T1443] Call Trace:
[   77.449182][ T1443]  <TASK>
[   77.449374][ T1443]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.449646][ T1443]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.449965][ T1443]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   77.450218][ T1443]  __dev_notify_flags (net/core/dev.c:9787)
[   77.450436][ T1443]  ? netif_change_name (net/core/dev.c:1495)
[   77.450619][ T1443]  ? __dev_change_flags (net/core/dev.c:9752)
[   77.450798][ T1443]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   77.450990][ T1443]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.451170][ T1443]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   77.451350][ T1443]  netif_change_flags (net/core/dev.c:9820)
[   77.451534][ T1443]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   77.451713][ T1443]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   77.451914][ T1443]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   77.452092][ T1443]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   77.452303][ T1443]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.452480][ T1443]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.452663][ T1443]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.452843][ T1443]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.453042][ T1443]  ? __kernel_text_address (kernel/extable.c:79)
[   77.453221][ T1443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.453400][ T1443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.453586][ T1443]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.453764][ T1443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.453958][ T1443]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   77.454138][ T1443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.454314][ T1443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.454491][ T1443]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   77.454674][ T1443]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   77.454853][ T1443]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   77.455052][ T1443]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.455232][ T1443]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   77.455413][ T1443]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   77.455605][ T1443]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.455784][ T1443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.455982][ T1443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.456163][ T1443]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.456339][ T1443]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.456517][ T1443]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.456701][ T1443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.456899][ T1443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.457078][ T1443]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.457256][ T1443]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.457432][ T1443]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.457618][ T1443]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.457797][ T1443]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.457990][ T1443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.458167][ T1443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.458349][ T1443]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.458528][ T1443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.458708][ T1443]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.458907][ T1443]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.459089][ T1443]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.459272][ T1443]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.459479][ T1443]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.459663][ T1443]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.459843][ T1443]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.460045][ T1443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.460226][ T1443]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   77.460406][ T1443]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   77.460590][ T1443]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   77.460771][ T1443]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   77.460974][ T1443]  ? copy_msghdr_from_user (net/socket.c:2635)
[   77.461156][ T1443]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   77.461363][ T1443]  ? move_addr_to_kernel (net/socket.c:258)
[   77.461544][ T1443]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.461722][ T1443]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.461922][ T1443]  ___sys_sendmsg (net/socket.c:2752)
[   77.462101][ T1443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   77.462312][ T1443]  ? copy_msghdr_from_user (net/socket.c:2603)
[   77.462504][ T1443]  __sys_sendmsg (net/socket.c:2784)
[   77.462691][ T1443]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   77.462889][ T1443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   77.463102][ T1443]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.463278][ T1443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.463456][ T1443]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.463642][ T1443]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.463817][ T1443]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.464020][ T1443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.464229][ T1443] RIP: 0033:0x7fbc368c308e
[   77.464411][ T1443] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.464943][ T1443] RSP: 002b:00007ffce511f120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.465188][ T1443] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbc368c308e
[   77.465428][ T1443] RDX: 0000000000000000 RSI: 00007ffce511f1d0 RDI: 0000000000000005
[   77.465678][ T1443] RBP: 00007ffce511f130 R08: 0000000000000000 R09: 0000000000000000
[   77.465939][ T1443] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd39
[   77.466181][ T1443] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce511f8a0
| [   77.827256][ T1458] ------------[ cut here ]------------
| [   77.827465][ T1458] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1458
| [   77.827789][ T1458] Modules linked in:
| [   77.828287][ T1458] Tainted: [W]=WARN
[   77.828436][ T1458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.828660][ T1458] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.828905][ T1458] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.829428][ T1458] RSP: 0018:ffa0000004316e30 EFLAGS: 00010286
[   77.829654][ T1458] RAX: 00000000ffffffa6 RBX: ff11000008dc7a80 RCX: 1ff4000000862d8c
[   77.829922][ T1458] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc7b3c
[   77.830169][ T1458] RBP: ff1100000a389000 R08: 1fe22000011b8f69 R09: ff1100000dcf5180
[   77.830415][ T1458] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   77.830670][ T1458] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009543880
[   77.830943][ T1458] FS:  00007fb953699840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   77.831230][ T1458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.831449][ T1458] CR2: 00007fb953a00f65 CR3: 0000000012875001 CR4: 0000000000771ef0
[   77.831709][ T1458] PKRU: 55555554
[   77.831859][ T1458] Call Trace:
[   77.832028][ T1458]  <TASK>
[   77.832147][ T1458]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.832333][ T1458]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.832481][ T1458]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   77.832701][ T1458]  __dev_notify_flags (net/core/dev.c:9787)
[   77.832904][ T1458]  ? netif_change_name (net/core/dev.c:1495)
[   77.833087][ T1458]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.833269][ T1458]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.833452][ T1458]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.833645][ T1458]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   77.833832][ T1458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.834033][ T1458]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   77.834217][ T1458]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   77.834399][ T1458]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   77.834591][ T1458]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   77.834778][ T1458]  veth_newlink (drivers/net/veth.c:1871)
[   77.834985][ T1458]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   77.835165][ T1458]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.835347][ T1458]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.835532][ T1458]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.835730][ T1458]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   77.835928][ T1458]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   77.836117][ T1458]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   77.836298][ T1458]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   77.836482][ T1458]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   77.836671][ T1458]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   77.836858][ T1458]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   77.837066][ T1458]  ? __dev_get_by_name (net/core/dev.c:883)
[   77.837249][ T1458]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   77.837437][ T1458]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   77.837631][ T1458]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.837816][ T1458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.838018][ T1458]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.838199][ T1458]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.838381][ T1458]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.838570][ T1458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.838756][ T1458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.838961][ T1458]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.839144][ T1458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.839325][ T1458]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.839507][ T1458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.839695][ T1458]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.839898][ T1458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.840078][ T1458]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.840261][ T1458]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.840441][ T1458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.840631][ T1458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.840817][ T1458]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.841020][ T1458]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.841208][ T1458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.841394][ T1458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.841584][ T1458]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.841769][ T1458]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   77.841974][ T1458]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   77.842159][ T1458]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   77.842347][ T1458]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   77.842533][ T1458]  ? copy_msghdr_from_user (net/socket.c:2635)
[   77.842717][ T1458]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   77.842951][ T1458]  ? move_addr_to_kernel (net/socket.c:258)
[   77.843142][ T1458]  ___sys_sendmsg (net/socket.c:2752)
[   77.843324][ T1458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.843508][ T1458]  ? copy_msghdr_from_user (net/socket.c:2603)
[   77.843704][ T1458]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   77.843908][ T1458]  __sys_sendmsg (net/socket.c:2784)
[   77.844095][ T1458]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   77.844279][ T1458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.844460][ T1458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.844651][ T1458]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.844832][ T1458]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.845029][ T1458]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.845211][ T1458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.845425][ T1458] RIP: 0033:0x7fb9538d308e
[   77.845622][ T1458] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.846168][ T1458] RSP: 002b:00007ffcf5937bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.846417][ T1458] RAX: ffffffffffffffda RBX: 00007ffcf5938378 RCX: 00007fb9538d308e
[   77.846671][ T1458] RDX: 0000000000000000 RSI: 00007ffcf5937c80 RDI: 0000000000000005
[   77.846942][ T1458] RBP: 00007ffcf5937be0 R08: 0000000000000000 R09: 0000000000000000
[   77.847190][ T1458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   77.847438][ T1458] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf5938350
| [   77.855796][ T1458] ------------[ cut here ]------------
| [   77.856626][ T1458] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1458
| [   77.857410][ T1458] Modules linked in:
| [   77.858012][ T1458] Tainted: [W]=WARN
[   77.858214][ T1458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.858483][ T1458] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.858767][ T1458] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.859359][ T1458] RSP: 0018:ffa00000043171b0 EFLAGS: 00010286
[   77.859636][ T1458] RAX: 00000000ffffffa6 RBX: ff1100000c04a740 RCX: 1ff4000000862dfc
[   77.859955][ T1458] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a7fc
[   77.860255][ T1458] RBP: ff1100001268c000 R08: 1fe2200001809501 R09: ff1100000dcf5180
[   77.860559][ T1458] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   77.860856][ T1458] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   77.861178][ T1458] FS:  00007fb953699840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   77.861515][ T1458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.861787][ T1458] CR2: 00007fb953a00f65 CR3: 0000000012875001 CR4: 0000000000771ef0
[   77.862110][ T1458] PKRU: 55555554
[   77.862309][ T1458] Call Trace:
[   77.862511][ T1458]  <TASK>
[   77.862685][ T1458]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.862942][ T1458]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.863145][ T1458]  __dev_notify_flags (net/core/dev.c:9787)
[   77.863382][ T1458]  ? netif_change_name (net/core/dev.c:1495)
[   77.863626][ T1458]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   77.863860][ T1458]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   77.864171][ T1458]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   77.864408][ T1458]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   77.864653][ T1458]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   77.864912][ T1458]  ? __dev_get_by_name (net/core/dev.c:883)
[   77.865148][ T1458]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   77.865388][ T1458]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   77.865652][ T1458]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.865911][ T1458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.866147][ T1458]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.866380][ T1458]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.866621][ T1458]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.866855][ T1458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.867117][ T1458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.867355][ T1458]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.867591][ T1458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.867827][ T1458]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.868085][ T1458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.868286][ T1458]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.868467][ T1458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.868654][ T1458]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.868836][ T1458]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.869036][ T1458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.869217][ T1458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.869401][ T1458]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.869589][ T1458]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.869773][ T1458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.869981][ T1458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.870167][ T1458]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.870349][ T1458]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   77.870533][ T1458]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   77.870717][ T1458]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   77.870921][ T1458]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   77.871104][ T1458]  ? copy_msghdr_from_user (net/socket.c:2635)
[   77.871286][ T1458]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   77.871495][ T1458]  ? move_addr_to_kernel (net/socket.c:258)
[   77.871689][ T1458]  ___sys_sendmsg (net/socket.c:2752)
[   77.871889][ T1458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.872069][ T1458]  ? copy_msghdr_from_user (net/socket.c:2603)
[   77.872258][ T1458]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   77.872443][ T1458]  __sys_sendmsg (net/socket.c:2784)
[   77.872630][ T1458]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   77.872815][ T1458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.873020][ T1458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.873204][ T1458]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.873384][ T1458]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.873571][ T1458]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.873753][ T1458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.873990][ T1458] RIP: 0033:0x7fb9538d308e
[   77.874177][ T1458] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.874699][ T1458] RSP: 002b:00007ffcf5937bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.874965][ T1458] RAX: ffffffffffffffda RBX: 00007ffcf5938378 RCX: 00007fb9538d308e
[   77.875211][ T1458] RDX: 0000000000000000 RSI: 00007ffcf5937c80 RDI: 0000000000000005
[   77.875454][ T1458] RBP: 00007ffcf5937be0 R08: 0000000000000000 R09: 0000000000000000
[   77.875709][ T1458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   77.875978][ T1458] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf5938350
| [   77.933540][ T1459] ------------[ cut here ]------------
| [   77.933685][ T1459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1459
| [   77.933952][ T1459] Modules linked in:
| [   77.934308][ T1459] Tainted: [W]=WARN
[   77.934402][ T1459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.934563][ T1459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.934727][ T1459] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.935192][ T1459] RSP: 0018:ffa0000004326ff8 EFLAGS: 00010286
[   77.935349][ T1459] RAX: 00000000ffffffa6 RBX: ff11000010abb1c0 RCX: 1ff4000000864dc5
[   77.935542][ T1459] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb27c
[   77.935730][ T1459] RBP: ff1100000a389000 R08: 1fe2200002157651 R09: ff110000102e8b58
[   77.935932][ T1459] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   77.936123][ T1459] R13: 0000000000000000 R14: ffa0000004327140 R15: ff1100000f35b850
[   77.936316][ T1459] FS:  00007f9fdf634840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.936540][ T1459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.936702][ T1459] CR2: 0000000038908988 CR3: 00000000103fc006 CR4: 0000000000771ef0
[   77.936913][ T1459] PKRU: 55555554
[   77.937009][ T1459] Call Trace:
[   77.937102][ T1459]  <TASK>
[   77.937168][ T1459]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   77.937298][ T1459]  __dev_change_net_namespace (net/core/dev.c:12635)
[   77.937455][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.937581][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.937708][ T1459]  ? default_device_exit_batch (net/core/dev.c:13091)
[   77.937875][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.938002][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.938129][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.938256][ T1459]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   77.938384][ T1459]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   77.938516][ T1459]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   77.938644][ T1459]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   77.938771][ T1459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   77.938940][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.939066][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.939191][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.939318][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.939447][ T1459]  ? __kernel_text_address (kernel/extable.c:79)
[   77.939576][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.939703][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.939829][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.939966][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.940092][ T1459]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   77.940217][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.940343][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.940467][ T1459]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   77.940599][ T1459]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   77.940726][ T1459]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   77.940852][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.940991][ T1459]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   77.941117][ T1459]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.941245][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   77.941375][ T1459]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.941503][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.941636][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.941762][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.941901][ T1459]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.942026][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.942158][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.942282][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.942408][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.942537][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.942663][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.942792][ T1459]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.942935][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.943060][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.943185][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.943311][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.943436][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.943566][ T1459]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.943690][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.943815][ T1459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.943952][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.944076][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.944203][ T1459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.944329][ T1459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.944455][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.944583][ T1459]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   77.944710][ T1459]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   77.944836][ T1459]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   77.944973][ T1459]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   77.945099][ T1459]  ? copy_msghdr_from_user (net/socket.c:2635)
[   77.945224][ T1459]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   77.945382][ T1459]  ? move_addr_to_kernel (net/socket.c:258)
[   77.945513][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.945639][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.945766][ T1459]  ___sys_sendmsg (net/socket.c:2752)
[   77.945900][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   77.946057][ T1459]  ? copy_msghdr_from_user (net/socket.c:2603)
[   77.946196][ T1459]  __sys_sendmsg (net/socket.c:2784)
[   77.946321][ T1459]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   77.946446][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   77.946609][ T1459]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.946734][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.946861][ T1459]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.946997][ T1459]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.947122][ T1459]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.947249][ T1459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.947404][ T1459] RIP: 0033:0x7f9fdf86e08e
[   77.947539][ T1459] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.948004][ T1459] RSP: 002b:00007ffd2116b240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.948195][ T1459] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9fdf86e08e
[   77.948382][ T1459] RDX: 0000000000000000 RSI: 00007ffd2116b2f0 RDI: 0000000000000005
[   77.948573][ T1459] RBP: 00007ffd2116b250 R08: 0000000000000000 R09: 0000000000000000
[   77.948761][ T1459] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   77.948960][ T1459] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2116b9c0
| [   77.951484][ T1459] ------------[ cut here ]------------
| [   77.951613][ T1459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1459
| [   77.951862][ T1459] Modules linked in:
| [   77.952228][ T1459] Tainted: [W]=WARN
[   77.952323][ T1459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.952485][ T1459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.952653][ T1459] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.953116][ T1459] RSP: 0018:ffa0000004326fc0 EFLAGS: 00010286
[   77.953276][ T1459] RAX: 00000000ffffffa6 RBX: ff1100000fe918c0 RCX: 1ff4000000864dbe
[   77.953467][ T1459] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9197c
[   77.953659][ T1459] RBP: ff1100000a389000 R08: 1fe2200001fd2331 R09: ff110000102e8b58
[   77.953846][ T1459] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   77.954051][ T1459] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f35b850
[   77.954243][ T1459] FS:  00007f9fdf634840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.954465][ T1459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.954629][ T1459] CR2: 0000000038908988 CR3: 00000000103fc006 CR4: 0000000000771ef0
[   77.954819][ T1459] PKRU: 55555554
[   77.954922][ T1459] Call Trace:
[   77.955017][ T1459]  <TASK>
[   77.955084][ T1459]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.955213][ T1459]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.955342][ T1459]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.955439][ T1459]  __dev_change_net_namespace (net/core/dev.c:12695)
[   77.955602][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.955729][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.955858][ T1459]  ? default_device_exit_batch (net/core/dev.c:13091)
[   77.956029][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.956156][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.956283][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.956411][ T1459]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   77.956543][ T1459]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   77.956672][ T1459]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   77.956801][ T1459]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   77.956962][ T1459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   77.957122][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.957250][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.957377][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.957504][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.957636][ T1459]  ? __kernel_text_address (kernel/extable.c:79)
[   77.957765][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.957910][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.958042][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.958171][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.958298][ T1459]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   77.958424][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.958551][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.958679][ T1459]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   77.958807][ T1459]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   77.958946][ T1459]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   77.959075][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.959204][ T1459]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   77.959331][ T1459]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.959460][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   77.959594][ T1459]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.959723][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.959851][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.959992][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.960118][ T1459]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.960246][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.960375][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.960501][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.960631][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.960760][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.960902][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.961029][ T1459]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.961157][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.961285][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.961411][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.961543][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.961670][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.961799][ T1459]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.961937][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.962064][ T1459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.962196][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.962324][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.962453][ T1459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.962584][ T1459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.962713][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.962843][ T1459]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   77.962982][ T1459]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   77.963110][ T1459]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   77.963240][ T1459]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   77.963369][ T1459]  ? copy_msghdr_from_user (net/socket.c:2635)
[   77.963497][ T1459]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   77.963658][ T1459]  ? move_addr_to_kernel (net/socket.c:258)
[   77.963788][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.963927][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.964056][ T1459]  ___sys_sendmsg (net/socket.c:2752)
[   77.964183][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   77.964342][ T1459]  ? copy_msghdr_from_user (net/socket.c:2603)
[   77.964481][ T1459]  __sys_sendmsg (net/socket.c:2784)
[   77.964611][ T1459]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   77.964739][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   77.964908][ T1459]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.965036][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.965164][ T1459]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.965291][ T1459]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.965419][ T1459]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.965550][ T1459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.965709][ T1459] RIP: 0033:0x7f9fdf86e08e
[   77.965842][ T1459] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.966307][ T1459] RSP: 002b:00007ffd2116b240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.966499][ T1459] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9fdf86e08e
[   77.966695][ T1459] RDX: 0000000000000000 RSI: 00007ffd2116b2f0 RDI: 0000000000000005
[   77.966897][ T1459] RBP: 00007ffd2116b250 R08: 0000000000000000 R09: 0000000000000000
[   77.967088][ T1459] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   77.967277][ T1459] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2116b9c0
| [   77.969117][ T1459] ------------[ cut here ]------------
| [   77.969243][ T1459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1459
| [   77.969490][ T1459] Modules linked in:
| [   77.969844][ T1459] Tainted: [W]=WARN
[   77.969985][ T1459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.970144][ T1459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.970307][ T1459] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.970763][ T1459] RSP: 0018:ffa0000004327038 EFLAGS: 00010286
[   77.970932][ T1459] RAX: 00000000ffffffa6 RBX: ff1100000fe90c80 RCX: 1ff4000000864dcd
[   77.971120][ T1459] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe90d3c
[   77.971313][ T1459] RBP: ff1100000a389000 R08: 1fe2200001fd21a9 R09: ff110000102e8b58
[   77.971500][ T1459] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   77.971692][ T1459] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   77.971891][ T1459] FS:  00007f9fdf634840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.972122][ T1459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.972285][ T1459] CR2: 0000000038908988 CR3: 00000000103fc006 CR4: 0000000000771ef0
[   77.972476][ T1459] PKRU: 55555554
[   77.972575][ T1459] Call Trace:
[   77.972669][ T1459]  <TASK>
[   77.972734][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.972862][ T1459]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   77.973003][ T1459]  notifier_call_chain (kernel/notifier.c:85)
[   77.973133][ T1459]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   77.973261][ T1459]  ? default_device_exit_batch (net/core/dev.c:13091)
[   77.973421][ T1459]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   77.973581][ T1459]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   77.973709][ T1459]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   77.973838][ T1459]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   77.973984][ T1459]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   77.974113][ T1459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   77.974271][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.974398][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.974616][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.974743][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.974878][ T1459]  ? __kernel_text_address (kernel/extable.c:79)
[   77.975006][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.975219][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.975346][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.975475][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.975605][ T1459]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   77.975814][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.975950][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.976080][ T1459]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   77.976207][ T1459]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   77.976417][ T1459]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   77.976549][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.976679][ T1459]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   77.976806][ T1459]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.976946][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   77.977076][ T1459]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.977207][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.977333][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.977547][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.977675][ T1459]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.977803][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.977941][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.978153][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.978280][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.978408][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.978539][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.978751][ T1459]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.978886][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.979014][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.979141][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.979353][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.979480][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.979611][ T1459]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   77.979738][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.979958][ T1459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.980087][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.980215][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.980345][ T1459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.980561][ T1459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.980692][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.980822][ T1459]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   77.980961][ T1459]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   77.981173][ T1459]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   77.981302][ T1459]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   77.981428][ T1459]  ? copy_msghdr_from_user (net/socket.c:2635)
[   77.981559][ T1459]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   77.981801][ T1459]  ? move_addr_to_kernel (net/socket.c:258)
[   77.981939][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.982066][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.982195][ T1459]  ___sys_sendmsg (net/socket.c:2752)
[   77.982404][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   77.982568][ T1459]  ? copy_msghdr_from_user (net/socket.c:2603)
[   77.982707][ T1459]  __sys_sendmsg (net/socket.c:2784)
[   77.982835][ T1459]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   77.983054][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   77.983215][ T1459]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.983343][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.983557][ T1459]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   77.983685][ T1459]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   77.983813][ T1459]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   77.983949][ T1459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.984191][ T1459] RIP: 0033:0x7f9fdf86e08e
[   77.984322][ T1459] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.984865][ T1459] RSP: 002b:00007ffd2116b240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.985066][ T1459] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9fdf86e08e
[   77.985256][ T1459] RDX: 0000000000000000 RSI: 00007ffd2116b2f0 RDI: 0000000000000005
[   77.985532][ T1459] RBP: 00007ffd2116b250 R08: 0000000000000000 R09: 0000000000000000
[   77.985719][ T1459] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   77.986002][ T1459] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2116b9c0
| [   77.988431][ T1459] ------------[ cut here ]------------
| [   77.988563][ T1459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1459
| [   77.989399][ T1459] Modules linked in:
| [   77.989755][ T1459] Tainted: [W]=WARN
[   77.989851][ T1459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.990070][ T1459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   77.990237][ T1459] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   77.990692][ T1459] RSP: 0018:ffa0000004327020 EFLAGS: 00010286
[   77.990854][ T1459] RAX: 00000000ffffffa6 RBX: ff1100000ca8cc80 RCX: 1ff4000000864dca
[   77.991113][ T1459] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8cd3c
[   77.991303][ T1459] RBP: ff1100000a389000 R08: 1fe22000019519a9 R09: ff110000102e8b58
[   77.991494][ T1459] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   77.991689][ T1459] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   77.991940][ T1459] FS:  00007f9fdf634840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   77.992164][ T1459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.992324][ T1459] CR2: 0000000038908988 CR3: 00000000103fc006 CR4: 0000000000771ef0
[   77.992519][ T1459] PKRU: 55555554
[   77.992614][ T1459] Call Trace:
[   77.992710][ T1459]  <TASK>
[   77.992777][ T1459]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   77.992975][ T1459]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   77.993073][ T1459]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   77.993201][ T1459]  __dev_notify_flags (net/core/dev.c:9787)
[   77.993332][ T1459]  ? netif_change_name (net/core/dev.c:1495)
[   77.993461][ T1459]  ? __dev_change_flags (net/core/dev.c:9752)
[   77.993595][ T1459]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   77.993722][ T1459]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   77.993946][ T1459]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   77.994075][ T1459]  netif_change_flags (net/core/dev.c:9820)
[   77.994206][ T1459]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   77.994336][ T1459]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   77.994466][ T1459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   77.994631][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.994760][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.994948][ T1459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.995076][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.995205][ T1459]  ? __kernel_text_address (kernel/extable.c:79)
[   77.995335][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.995555][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.995685][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.995815][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.996000][ T1459]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   77.996129][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.996256][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   77.996384][ T1459]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   77.996602][ T1459]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   77.996730][ T1459]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   77.996860][ T1459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   77.997051][ T1459]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   77.997180][ T1459]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.997310][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   77.997529][ T1459]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   77.997661][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.997788][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.997975][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.998103][ T1459]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   77.998230][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.998360][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.998574][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   77.998701][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.998832][ T1459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   77.999020][ T1459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   77.999148][ T1459]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   77.999276][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   77.999486][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.999615][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   77.999743][ T1459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   77.999929][ T1459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.000058][ T1459]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.000185][ T1459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.000312][ T1459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.000533][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.000660][ T1459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.000791][ T1459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.000981][ T1459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.001109][ T1459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.001239][ T1459]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.001452][ T1459]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.001583][ T1459]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.001715][ T1459]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.001843][ T1459]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.002114][ T1459]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.002272][ T1459]  ? move_addr_to_kernel (net/socket.c:258)
[   78.002401][ T1459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.002534][ T1459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.002662][ T1459]  ___sys_sendmsg (net/socket.c:2752)
[   78.002791][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.003096][ T1459]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.003236][ T1459]  __sys_sendmsg (net/socket.c:2784)
[   78.003364][ T1459]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.003491][ T1459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.003656][ T1459]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.003783][ T1459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.004057][ T1459]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.004186][ T1459]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.004314][ T1459]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.004443][ T1459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.004605][ T1459] RIP: 0033:0x7f9fdf86e08e
[   78.004738][ T1459] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.005259][ T1459] RSP: 002b:00007ffd2116b240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.005451][ T1459] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9fdf86e08e
[   78.005644][ T1459] RDX: 0000000000000000 RSI: 00007ffd2116b2f0 RDI: 0000000000000005
[   78.005982][ T1459] RBP: 00007ffd2116b250 R08: 0000000000000000 R09: 0000000000000000
[   78.006174][ T1459] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.006366][ T1459] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2116b9c0
| [   78.039991][ T1460] ------------[ cut here ]------------
| [   78.040173][ T1460] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1460
| [   78.040485][ T1460] Modules linked in:
| [   78.041722][ T1460] Tainted: [W]=WARN
[   78.041929][ T1460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.042149][ T1460] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.042371][ T1460] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.042914][ T1460] RSP: 0018:ffa0000004336e30 EFLAGS: 00010286
[   78.043130][ T1460] RAX: 00000000ffffffa6 RBX: ff110000109b91c0 RCX: 1ff4000000866d8c
[   78.043377][ T1460] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b927c
[   78.043628][ T1460] RBP: ff11000012959000 R08: 1fe2200002137251 R09: ff110000102eae80
[   78.043892][ T1460] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.044138][ T1460] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010535580
[   78.044388][ T1460] FS:  00007fea9665f840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   78.044676][ T1460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.044909][ T1460] CR2: 000000000042ebe0 CR3: 0000000012875003 CR4: 0000000000771ef0
[   78.045158][ T1460] PKRU: 55555554
[   78.045306][ T1460] Call Trace:
[   78.045452][ T1460]  <TASK>
[   78.045575][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.045759][ T1460]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.045964][ T1460]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.046113][ T1460]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   78.046295][ T1460]  __dev_notify_flags (net/core/dev.c:9787)
[   78.046478][ T1460]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   78.046664][ T1460]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   78.046848][ T1460]  ? netif_change_name (net/core/dev.c:1495)
[   78.047053][ T1460]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.047235][ T1460]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.047415][ T1460]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.047603][ T1460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.047786][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.047991][ T1460]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   78.048175][ T1460]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   78.048357][ T1460]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   78.048539][ T1460]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   78.048724][ T1460]  veth_newlink (drivers/net/veth.c:1871)
[   78.048928][ T1460]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   78.049109][ T1460]  ? kasan_save_stack (mm/kasan/common.c:57)
[   78.049289][ T1460]  ? kasan_save_track (mm/kasan/common.c:78)
[   78.049469][ T1460]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   78.049677][ T1460]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   78.049859][ T1460]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   78.050065][ T1460]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   78.050248][ T1460]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   78.050431][ T1460]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   78.050624][ T1460]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   78.050807][ T1460]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   78.051018][ T1460]  ? __dev_get_by_name (net/core/dev.c:883)
[   78.051203][ T1460]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   78.051391][ T1460]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   78.051586][ T1460]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.051772][ T1460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.051973][ T1460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.052158][ T1460]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.052339][ T1460]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.052525][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.052713][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.052916][ T1460]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.053099][ T1460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.053281][ T1460]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.053463][ T1460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.053654][ T1460]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.053841][ T1460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.054044][ T1460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.054228][ T1460]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.054408][ T1460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.054597][ T1460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.054782][ T1460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.054986][ T1460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.055171][ T1460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.055357][ T1460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.055541][ T1460]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   78.055724][ T1460]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.055928][ T1460]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.056112][ T1460]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.056296][ T1460]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.056481][ T1460]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.056667][ T1460]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.056851][ T1460]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.057087][ T1460]  ? move_addr_to_kernel (net/socket.c:258)
[   78.057275][ T1460]  ___sys_sendmsg (net/socket.c:2752)
[   78.057457][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.057648][ T1460]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.057841][ T1460]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   78.058051][ T1460]  __sys_sendmsg (net/socket.c:2784)
[   78.058235][ T1460]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.058422][ T1460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.058612][ T1460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.058798][ T1460]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.059006][ T1460]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.059191][ T1460]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.059372][ T1460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.059595][ T1460] RIP: 0033:0x7fea9689908e
[   78.059782][ T1460] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.060328][ T1460] RSP: 002b:00007ffe161bfe70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.060586][ T1460] RAX: ffffffffffffffda RBX: 00007ffe161c0618 RCX: 00007fea9689908e
[   78.060835][ T1460] RDX: 0000000000000000 RSI: 00007ffe161bff20 RDI: 0000000000000005
[   78.061099][ T1460] RBP: 00007ffe161bfe80 R08: 0000000000000000 R09: 0000000000000000
[   78.061346][ T1460] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.061601][ T1460] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe161c05f0
| [   78.069730][ T1460] ------------[ cut here ]------------
| [   78.069887][ T1460] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1460
| [   78.070153][ T1460] Modules linked in:
| [   78.070523][ T1460] Tainted: [W]=WARN
[   78.070623][ T1460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.070788][ T1460] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.070974][ T1460] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.071450][ T1460] RSP: 0018:ffa00000043371b0 EFLAGS: 00010286
[   78.071618][ T1460] RAX: 00000000ffffffa6 RBX: ff1100000901e3c0 RCX: 1ff4000000866dfc
[   78.071816][ T1460] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901e47c
[   78.072025][ T1460] RBP: ff11000012954000 R08: 1fe2200001203c91 R09: ff110000102eae80
[   78.072221][ T1460] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.072417][ T1460] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   78.072619][ T1460] FS:  00007fea9665f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   78.072853][ T1460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.073032][ T1460] CR2: 0000000038908988 CR3: 0000000012875002 CR4: 0000000000771ef0
[   78.073230][ T1460] PKRU: 55555554
[   78.073330][ T1460] Call Trace:
[   78.073428][ T1460]  <TASK>
[   78.073497][ T1460]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.073637][ T1460]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.073739][ T1460]  __dev_notify_flags (net/core/dev.c:9787)
[   78.073884][ T1460]  ? netif_change_name (net/core/dev.c:1495)
[   78.074019][ T1460]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   78.074151][ T1460]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   78.074285][ T1460]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   78.074420][ T1460]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   78.074556][ T1460]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   78.074690][ T1460]  ? __dev_get_by_name (net/core/dev.c:883)
[   78.074821][ T1460]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   78.074970][ T1460]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   78.075107][ T1460]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.075240][ T1460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.075372][ T1460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.075508][ T1460]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.075642][ T1460]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.075774][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.075923][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.076056][ T1460]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.076189][ T1460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.076321][ T1460]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.076454][ T1460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.076590][ T1460]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.076726][ T1460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.076860][ T1460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.077006][ T1460]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.077138][ T1460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.077272][ T1460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.077408][ T1460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.077544][ T1460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.077679][ T1460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.077812][ T1460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.077952][ T1460]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   78.078085][ T1460]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.078218][ T1460]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.078352][ T1460]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.078486][ T1460]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.078622][ T1460]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.078756][ T1460]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.078898][ T1460]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.079063][ T1460]  ? move_addr_to_kernel (net/socket.c:258)
[   78.079198][ T1460]  ___sys_sendmsg (net/socket.c:2752)
[   78.079330][ T1460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.079463][ T1460]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.079609][ T1460]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   78.079744][ T1460]  __sys_sendmsg (net/socket.c:2784)
[   78.079887][ T1460]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.080026][ T1460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.080158][ T1460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.080291][ T1460]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.080422][ T1460]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.080556][ T1460]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.080689][ T1460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.080855][ T1460] RIP: 0033:0x7fea9689908e
[   78.081002][ T1460] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.081473][ T1460] RSP: 002b:00007ffe161bfe70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.081678][ T1460] RAX: ffffffffffffffda RBX: 00007ffe161c0618 RCX: 00007fea9689908e
[   78.081884][ T1460] RDX: 0000000000000000 RSI: 00007ffe161bff20 RDI: 0000000000000005
[   78.082082][ T1460] RBP: 00007ffe161bfe80 R08: 0000000000000000 R09: 0000000000000000
[   78.082277][ T1460] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.082473][ T1460] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe161c05f0
| [   78.122008][ T1461] ------------[ cut here ]------------
| [   78.122188][ T1461] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1461
| [   78.122485][ T1461] Modules linked in:
| [   78.122963][ T1461] Tainted: [W]=WARN
[   78.123106][ T1461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.123310][ T1461] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.123524][ T1461] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.124040][ T1461] RSP: 0018:ffa0000004346ff8 EFLAGS: 00010286
[   78.124249][ T1461] RAX: 00000000ffffffa6 RBX: ff1100000901f540 RCX: 1ff4000000868dc5
[   78.124483][ T1461] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901f5fc
[   78.124722][ T1461] RBP: ff11000012959000 R08: 1fe2200001203ec1 R09: ff110000102ed158
[   78.125468][ T1461] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.125932][ T1461] R13: 0000000000000000 R14: ffa0000004347140 R15: ff11000009532350
[   78.126231][ T1461] FS:  00007f356b2ee840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   78.126559][ T1461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.126815][ T1461] CR2: 00000000350f8988 CR3: 0000000012880006 CR4: 0000000000771ef0
[   78.127127][ T1461] PKRU: 55555554
[   78.127321][ T1461] Call Trace:
[   78.127515][ T1461]  <TASK>
[   78.127683][ T1461]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   78.127934][ T1461]  __dev_change_net_namespace (net/core/dev.c:12635)
[   78.128195][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.128419][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.128653][ T1461]  ? default_device_exit_batch (net/core/dev.c:13091)
[   78.128931][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.129157][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.129385][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.129618][ T1461]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.129845][ T1461]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   78.130097][ T1461]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   78.130324][ T1461]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.130560][ T1461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.130817][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.131064][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.131292][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.131524][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.131751][ T1461]  ? __kernel_text_address (kernel/extable.c:79)
[   78.132001][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.132230][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.132456][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.132692][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.132938][ T1461]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.133166][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.133392][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.133624][ T1461]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.133850][ T1461]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.134096][ T1461]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.134322][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.134558][ T1461]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.134784][ T1461]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.135036][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.135240][ T1461]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.135415][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.135595][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.135772][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.135966][ T1461]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.136141][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.136319][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.136490][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.136672][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.136847][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.137043][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.137218][ T1461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.137391][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.137571][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.137747][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.137946][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.138119][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.138294][ T1461]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.138468][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.138651][ T1461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.138830][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.139024][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.139201][ T1461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.139377][ T1461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.139557][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.139735][ T1461]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.139929][ T1461]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.140105][ T1461]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.140281][ T1461]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.140456][ T1461]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.140638][ T1461]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.140842][ T1461]  ? move_addr_to_kernel (net/socket.c:258)
[   78.141042][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.141218][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.141393][ T1461]  ___sys_sendmsg (net/socket.c:2752)
[   78.141576][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.141783][ T1461]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.141992][ T1461]  __sys_sendmsg (net/socket.c:2784)
[   78.142170][ T1461]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.142345][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.142559][ T1461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.142735][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.142929][ T1461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.143107][ T1461]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.143280][ T1461]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.143455][ T1461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.143668][ T1461] RIP: 0033:0x7f356b52808e
[   78.143848][ T1461] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.144403][ T1461] RSP: 002b:00007ffc99235120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.144648][ T1461] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356b52808e
[   78.144903][ T1461] RDX: 0000000000000000 RSI: 00007ffc992351d0 RDI: 0000000000000005
[   78.145139][ T1461] RBP: 00007ffc99235130 R08: 0000000000000000 R09: 0000000000000000
[   78.145374][ T1461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.145616][ T1461] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc992358a0
| [   78.148948][ T1461] ------------[ cut here ]------------
| [   78.149089][ T1461] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1461
| [   78.149342][ T1461] Modules linked in:
| [   78.149711][ T1461] Tainted: [W]=WARN
[   78.149810][ T1461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.149985][ T1461] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.150152][ T1461] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.150610][ T1461] RSP: 0018:ffa0000004346fc0 EFLAGS: 00010286
[   78.150772][ T1461] RAX: 00000000ffffffa6 RBX: ff1100000d6d6040 RCX: 1ff4000000868dbe
[   78.150979][ T1461] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d60fc
[   78.151169][ T1461] RBP: ff11000012959000 R08: 1fe2200001adac21 R09: ff110000102ed158
[   78.151361][ T1461] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.151553][ T1461] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009532350
[   78.151746][ T1461] FS:  00007f356b2ee840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   78.151989][ T1461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.152151][ T1461] CR2: 000055dfdb5e2d5c CR3: 0000000012880003 CR4: 0000000000771ef0
[   78.152343][ T1461] PKRU: 55555554
[   78.152439][ T1461] Call Trace:
[   78.152540][ T1461]  <TASK>
[   78.152607][ T1461]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.152735][ T1461]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.152876][ T1461]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.152977][ T1461]  __dev_change_net_namespace (net/core/dev.c:12695)
[   78.153138][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.153266][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.153396][ T1461]  ? default_device_exit_batch (net/core/dev.c:13091)
[   78.153564][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.153693][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.153825][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.153971][ T1461]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.154100][ T1461]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   78.154231][ T1461]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   78.154362][ T1461]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.154492][ T1461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.154657][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.154786][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.154925][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.155058][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.155186][ T1461]  ? __kernel_text_address (kernel/extable.c:79)
[   78.155317][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.155447][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.155579][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.155707][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.155836][ T1461]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.155976][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.156104][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.156232][ T1461]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.156362][ T1461]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.156490][ T1461]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.156624][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.156754][ T1461]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.156892][ T1461]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.157024][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.157156][ T1461]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.157287][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.157417][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.157548][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.157678][ T1461]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.157806][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.157948][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.158077][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.158207][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.158339][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.158468][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.158601][ T1461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.158732][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.158860][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.158999][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.159131][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.159259][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.159389][ T1461]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.159520][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.159648][ T1461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.159781][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.159923][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.160053][ T1461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.160183][ T1461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.160313][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.160443][ T1461]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.160577][ T1461]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.160709][ T1461]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.160839][ T1461]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.160979][ T1461]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.161107][ T1461]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.161267][ T1461]  ? move_addr_to_kernel (net/socket.c:258)
[   78.161398][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.161531][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.161661][ T1461]  ___sys_sendmsg (net/socket.c:2752)
[   78.161790][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.161963][ T1461]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.162104][ T1461]  __sys_sendmsg (net/socket.c:2784)
[   78.162233][ T1461]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.162361][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.162524][ T1461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.162653][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.162781][ T1461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.162918][ T1461]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.163046][ T1461]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.163175][ T1461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.163335][ T1461] RIP: 0033:0x7f356b52808e
[   78.163468][ T1461] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.163939][ T1461] RSP: 002b:00007ffc99235120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.164133][ T1461] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356b52808e
[   78.164324][ T1461] RDX: 0000000000000000 RSI: 00007ffc992351d0 RDI: 0000000000000005
[   78.164517][ T1461] RBP: 00007ffc99235130 R08: 0000000000000000 R09: 0000000000000000
[   78.164708][ T1461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.164909][ T1461] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc992358a0
| [   78.166774][ T1461] ------------[ cut here ]------------
| [   78.166918][ T1461] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1461
| [   78.167170][ T1461] Modules linked in:
| [   78.167526][ T1461] Tainted: [W]=WARN
[   78.167622][ T1461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.167782][ T1461] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.167965][ T1461] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.168419][ T1461] RSP: 0018:ffa0000004347038 EFLAGS: 00010286
[   78.168581][ T1461] RAX: 00000000ffffffa6 RBX: ff1100000d6d6580 RCX: 1ff4000000868dcd
[   78.168773][ T1461] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d663c
[   78.168980][ T1461] RBP: ff11000012959000 R08: 1fe2200001adacc9 R09: ff110000102ed158
[   78.169169][ T1461] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   78.169360][ T1461] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   78.169554][ T1461] FS:  00007f356b2ee840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   78.169778][ T1461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.169955][ T1461] CR2: 000055dfdb5e2d5c CR3: 0000000012880003 CR4: 0000000000771ef0
[   78.170148][ T1461] PKRU: 55555554
[   78.170243][ T1461] Call Trace:
[   78.170339][ T1461]  <TASK>
[   78.170405][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.170538][ T1461]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   78.170667][ T1461]  notifier_call_chain (kernel/notifier.c:85)
[   78.170799][ T1461]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   78.170939][ T1461]  ? default_device_exit_batch (net/core/dev.c:13091)
[   78.171101][ T1461]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   78.171261][ T1461]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.171391][ T1461]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   78.171523][ T1461]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   78.171654][ T1461]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.171784][ T1461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.171951][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.172079][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.172206][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.172334][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.172464][ T1461]  ? __kernel_text_address (kernel/extable.c:79)
[   78.172597][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.172727][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.172856][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.172997][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.173125][ T1461]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.173253][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.173381][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.173514][ T1461]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.173643][ T1461]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.173772][ T1461]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.173911][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.174040][ T1461]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.174179][ T1461]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.174311][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.174444][ T1461]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.174577][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.174706][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.174834][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.174977][ T1461]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.175105][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.175236][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.175363][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.175490][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.175622][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.175751][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.175887][ T1461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.176021][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.176149][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.176276][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.176408][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.176538][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.176667][ T1461]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.176796][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.176935][ T1461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.177067][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.177196][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.177328][ T1461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.177458][ T1461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.177591][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.177721][ T1461]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.177851][ T1461]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.177991][ T1461]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.178122][ T1461]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.178250][ T1461]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.178379][ T1461]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.178541][ T1461]  ? move_addr_to_kernel (net/socket.c:258)
[   78.178671][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.178800][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.178942][ T1461]  ___sys_sendmsg (net/socket.c:2752)
[   78.179070][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.179229][ T1461]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.179372][ T1461]  __sys_sendmsg (net/socket.c:2784)
[   78.179500][ T1461]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.179632][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.179795][ T1461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.179934][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.180063][ T1461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.180191][ T1461]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.180320][ T1461]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.180449][ T1461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.180611][ T1461] RIP: 0033:0x7f356b52808e
[   78.180745][ T1461] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.181212][ T1461] RSP: 002b:00007ffc99235120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.181407][ T1461] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356b52808e
[   78.181602][ T1461] RDX: 0000000000000000 RSI: 00007ffc992351d0 RDI: 0000000000000005
[   78.181795][ T1461] RBP: 00007ffc99235130 R08: 0000000000000000 R09: 0000000000000000
[   78.182002][ T1461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.182197][ T1461] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc992358a0
| [   78.192095][ T1461] ------------[ cut here ]------------
| [   78.192236][ T1461] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1461
| [   78.192488][ T1461] Modules linked in:
| [   78.192851][ T1461] Tainted: [W]=WARN
[   78.192960][ T1461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.193123][ T1461] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.193291][ T1461] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.193753][ T1461] RSP: 0018:ffa0000004347020 EFLAGS: 00010286
[   78.193923][ T1461] RAX: 00000000ffffffa6 RBX: ff1100000e440740 RCX: 1ff4000000868dca
[   78.194118][ T1461] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4407fc
[   78.194310][ T1461] RBP: ff11000012959000 R08: 1fe2200001c88101 R09: ff110000102ed158
[   78.194502][ T1461] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   78.194698][ T1461] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   78.194902][ T1461] FS:  00007f356b2ee840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   78.195127][ T1461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.195288][ T1461] CR2: 000055dfdb5e2d5c CR3: 0000000012880003 CR4: 0000000000771ef0
[   78.195482][ T1461] PKRU: 55555554
[   78.195580][ T1461] Call Trace:
[   78.195676][ T1461]  <TASK>
[   78.195744][ T1461]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.195887][ T1461]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.195988][ T1461]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   78.196116][ T1461]  __dev_notify_flags (net/core/dev.c:9787)
[   78.196248][ T1461]  ? netif_change_name (net/core/dev.c:1495)
[   78.196379][ T1461]  ? __dev_change_flags (net/core/dev.c:9752)
[   78.196514][ T1461]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   78.196644][ T1461]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   78.196804][ T1461]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.196954][ T1461]  netif_change_flags (net/core/dev.c:9820)
[   78.197084][ T1461]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   78.197218][ T1461]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.197349][ T1461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.197514][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.197643][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.197773][ T1461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.197919][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.198048][ T1461]  ? __kernel_text_address (kernel/extable.c:79)
[   78.198180][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.198312][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.198441][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.198575][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.198706][ T1461]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.198834][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.198974][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.199105][ T1461]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.199236][ T1461]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.199365][ T1461]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.199496][ T1461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.199630][ T1461]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.199762][ T1461]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.199905][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.200040][ T1461]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.200172][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.200302][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.200433][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.200567][ T1461]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.200695][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.200828][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.200968][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.201098][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.201227][ T1461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.201361][ T1461]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.201492][ T1461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.201625][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.201757][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.201897][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.202031][ T1461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.202161][ T1461]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.202293][ T1461]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.202424][ T1461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.202557][ T1461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.202692][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.202823][ T1461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.202967][ T1461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.203099][ T1461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.203233][ T1461]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.203367][ T1461]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.203499][ T1461]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.203634][ T1461]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.203767][ T1461]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.203907][ T1461]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.204038][ T1461]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.204199][ T1461]  ? move_addr_to_kernel (net/socket.c:258)
[   78.204330][ T1461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.204461][ T1461]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.204597][ T1461]  ___sys_sendmsg (net/socket.c:2752)
[   78.204727][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.204899][ T1461]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.205042][ T1461]  __sys_sendmsg (net/socket.c:2784)
[   78.205172][ T1461]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.205302][ T1461]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.205468][ T1461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.205604][ T1461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.205736][ T1461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.205875][ T1461]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.206007][ T1461]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.206137][ T1461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.206300][ T1461] RIP: 0033:0x7f356b52808e
[   78.206435][ T1461] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.206912][ T1461] RSP: 002b:00007ffc99235120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.207109][ T1461] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f356b52808e
[   78.207303][ T1461] RDX: 0000000000000000 RSI: 00007ffc992351d0 RDI: 0000000000000005
[   78.207499][ T1461] RBP: 00007ffc99235130 R08: 0000000000000000 R09: 0000000000000000
[   78.207696][ T1461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.207904][ T1461] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc992358a0
| [   78.292451][ T1464] ------------[ cut here ]------------
| [   78.292602][ T1464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1464
| [   78.292863][ T1464] Modules linked in:
| [   78.293239][ T1464] Tainted: [W]=WARN
[   78.293337][ T1464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.293498][ T1464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.293673][ T1464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.294144][ T1464] RSP: 0018:ffa0000004367020 EFLAGS: 00010286
[   78.294312][ T1464] RAX: 00000000ffffffa6 RBX: ff1100000dc26740 RCX: 1ff400000086cdca
[   78.294507][ T1464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc267fc
[   78.294701][ T1464] RBP: ff1100001268c000 R08: 1fe2200001b84d01 R09: ff11000010270b58
[   78.294906][ T1464] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   78.295097][ T1464] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   78.295290][ T1464] FS:  00007f43f877f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   78.295518][ T1464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.295680][ T1464] CR2: 0000000031699988 CR3: 0000000012875006 CR4: 0000000000771ef0
[   78.295884][ T1464] PKRU: 55555554
[   78.295981][ T1464] Call Trace:
[   78.296077][ T1464]  <TASK>
[   78.296144][ T1464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.296274][ T1464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.296373][ T1464]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   78.296501][ T1464]  __dev_notify_flags (net/core/dev.c:9787)
[   78.296636][ T1464]  ? netif_change_name (net/core/dev.c:1495)
[   78.296767][ T1464]  ? __dev_change_flags (net/core/dev.c:9752)
[   78.296909][ T1464]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   78.297039][ T1464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.297169][ T1464]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.297301][ T1464]  netif_change_flags (net/core/dev.c:9820)
[   78.297430][ T1464]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   78.297566][ T1464]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   78.297699][ T1464]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.297829][ T1464]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.298002][ T1464]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.298130][ T1464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.298257][ T1464]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.298385][ T1464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.298517][ T1464]  ? __kernel_text_address (kernel/extable.c:79)
[   78.298648][ T1464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.298778][ T1464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.298921][ T1464]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.299051][ T1464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.299181][ T1464]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.299309][ T1464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.299437][ T1464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.299570][ T1464]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.299699][ T1464]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.299828][ T1464]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.299968][ T1464]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.300098][ T1464]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.300229][ T1464]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.300362][ T1464]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.300492][ T1464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.300624][ T1464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.300753][ T1464]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.300977][ T1464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.301106][ T1464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.301238][ T1464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.301365][ T1464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.301493][ T1464]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.301627][ T1464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.301756][ T1464]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.301942][ T1464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.302104][ T1464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.302232][ T1464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.302360][ T1464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.302490][ T1464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.302622][ T1464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.302751][ T1464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.302886][ T1464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.303018][ T1464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.303149][ T1464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.303279][ T1464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.303410][ T1464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.303544][ T1464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.303676][ T1464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.303806][ T1464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.304065][ T1464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.304203][ T1464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.304334][ T1464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.304462][ T1464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.304595][ T1464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.304756][ T1464]  ? move_addr_to_kernel (net/socket.c:258)
[   78.304901][ T1464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.305031][ T1464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.305160][ T1464]  ___sys_sendmsg (net/socket.c:2752)
[   78.305287][ T1464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.305448][ T1464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.305592][ T1464]  __sys_sendmsg (net/socket.c:2784)
[   78.305720][ T1464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.305847][ T1464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.306019][ T1464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.306149][ T1464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.306279][ T1464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.306407][ T1464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.306539][ T1464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.306669][ T1464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.306830][ T1464] RIP: 0033:0x7f43f89b908e
[   78.306977][ T1464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.307433][ T1464] RSP: 002b:00007ffec4e5a340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.307631][ T1464] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f43f89b908e
[   78.307824][ T1464] RDX: 0000000000000000 RSI: 00007ffec4e5a3f0 RDI: 0000000000000005
[   78.308032][ T1464] RBP: 00007ffec4e5a350 R08: 0000000000000000 R09: 0000000000000000
[   78.308224][ T1464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.308416][ T1464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec4e5aac0
| [   78.310812][   T71] ------------[ cut here ]------------
| [   78.310964][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/71
| [   78.311211][   T71] Modules linked in:
| [   78.311575][   T71] Tainted: [W]=WARN
[   78.311665][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.311814][   T71] Workqueue: events_unbound linkwatch_event
[   78.311979][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.312136][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.312566][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   78.312717][   T71] RAX: 00000000ffffffa6 RBX: ff1100000dc27000 RCX: 1ff4000000098f02
[   78.312922][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc270bc
[   78.313097][   T71] RBP: ff1100001268c000 R08: 1fe2200001b84e19 R09: ff11000009d32ea8
[   78.313273][   T71] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   78.313448][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.313634][   T71] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   78.313840][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.314000][   T71] CR2: 00007f9fdf701574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   78.314178][   T71] PKRU: 55555554
[   78.314266][   T71] Call Trace:
[   78.314353][   T71]  <TASK>
[   78.314415][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.314539][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.314658][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.314754][   T71]  netif_state_change (net/core/dev.c:1605)
[   78.314883][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   78.315033][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   78.315151][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   78.315270][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.315394][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   78.315515][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   78.315639][   T71]  process_one_work (kernel/workqueue.c:3314)
[   78.315763][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.315890][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.316014][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.316133][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.316253][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   78.316373][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.316491][   T71]  kthread (kernel/kthread.c:436)
[   78.316589][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.316736][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.316854][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.316985][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.317137][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.317256][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.317380][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.319948][   T71] ------------[ cut here ]------------
| [   78.320081][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/71
| [   78.320318][   T71] Modules linked in:
| [   78.320687][   T71] Tainted: [W]=WARN
[   78.320777][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.320953][   T71] Workqueue: events_unbound linkwatch_event
[   78.321106][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.321259][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.321689][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   78.321838][   T71] RAX: 00000000ffffffa6 RBX: ff110000126bf380 RCX: 1ff4000000098f02
[   78.322028][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf43c
[   78.322203][   T71] RBP: ff1100000a389000 R08: 1fe22000024d7e89 R09: ff11000009d32ea8
[   78.322379][   T71] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   78.322561][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.322737][   T71] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   78.323012][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.323208][   T71] CR2: 00007f9fdf701574 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   78.323386][   T71] PKRU: 55555554
[   78.323474][   T71] Call Trace:
[   78.323566][   T71]  <TASK>
[   78.323628][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.323747][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.323918][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.324010][   T71]  netif_state_change (net/core/dev.c:1605)
[   78.324127][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   78.324279][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   78.324395][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   78.324516][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.324636][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   78.324753][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   78.324929][   T71]  process_one_work (kernel/workqueue.c:3314)
[   78.325052][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.325169][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.325294][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.325413][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.325534][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   78.325653][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.325770][   T71]  kthread (kernel/kthread.c:436)
[   78.325860][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.326060][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.326178][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.326296][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.326441][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.326561][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.326679][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.456737][ T1469] ------------[ cut here ]------------
| [   78.456935][ T1469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1469
| [   78.457240][ T1469] Modules linked in:
| [   78.457707][ T1469] Tainted: [W]=WARN
[   78.457856][ T1469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.458087][ T1469] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.458303][ T1469] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.458814][ T1469] RSP: 0018:ffa00000043b7020 EFLAGS: 00010286
[   78.459047][ T1469] RAX: 00000000ffffffa6 RBX: ff11000010abac80 RCX: 1ff4000000876dca
[   78.459287][ T1469] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abad3c
[   78.459529][ T1469] RBP: ff11000012954000 R08: 1fe22000021575a9 R09: ff11000008db2e58
[   78.459768][ T1469] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   78.460027][ T1469] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   78.460269][ T1469] FS:  00007fc8b2568840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   78.460548][ T1469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.460759][ T1469] CR2: 0000000032625988 CR3: 000000000a990003 CR4: 0000000000771ef0
[   78.461027][ T1469] PKRU: 55555554
[   78.461171][ T1469] Call Trace:
[   78.461315][ T1469]  <TASK>
[   78.461430][ T1469]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.461618][ T1469]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.461765][ T1469]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   78.461961][ T1469]  __dev_notify_flags (net/core/dev.c:9787)
[   78.462142][ T1469]  ? netif_change_name (net/core/dev.c:1495)
[   78.462320][ T1469]  ? __dev_change_flags (net/core/dev.c:9752)
[   78.462501][ T1469]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   78.462686][ T1469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.462864][ T1469]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.463065][ T1469]  netif_change_flags (net/core/dev.c:9820)
[   78.463244][ T1469]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   78.463422][ T1469]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   78.463614][ T1469]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.463793][ T1469]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.464026][ T1469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.464206][ T1469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.464385][ T1469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.464570][ T1469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.464747][ T1469]  ? __kernel_text_address (kernel/extable.c:79)
[   78.464950][ T1469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.465128][ T1469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.465306][ T1469]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.465485][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.465668][ T1469]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.465844][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.466041][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.466219][ T1469]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.466400][ T1469]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.466586][ T1469]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.466767][ T1469]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.466963][ T1469]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.467146][ T1469]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.467327][ T1469]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.467511][ T1469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.467694][ T1469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.467895][ T1469]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.468072][ T1469]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.468248][ T1469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.468427][ T1469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.468612][ T1469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.468791][ T1469]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.468991][ T1469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.469173][ T1469]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.469352][ T1469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.469534][ T1469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.469713][ T1469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.469910][ T1469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.470090][ T1469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.470266][ T1469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.470447][ T1469]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.470635][ T1469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.470814][ T1469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.471017][ T1469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.471195][ T1469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.471375][ T1469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.471562][ T1469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.471741][ T1469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.471945][ T1469]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.472128][ T1469]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.472309][ T1469]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.472488][ T1469]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.472673][ T1469]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.472851][ T1469]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.473082][ T1469]  ? move_addr_to_kernel (net/socket.c:258)
[   78.473265][ T1469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.473444][ T1469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.473630][ T1469]  ___sys_sendmsg (net/socket.c:2752)
[   78.473806][ T1469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.474042][ T1469]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.474232][ T1469]  __sys_sendmsg (net/socket.c:2784)
[   78.474413][ T1469]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.474598][ T1469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.474813][ T1469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.475014][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.475195][ T1469]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.475373][ T1469]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.475557][ T1469]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.475737][ T1469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.475961][ T1469] RIP: 0033:0x7fc8b27a208e
[   78.476148][ T1469] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.476657][ T1469] RSP: 002b:00007ffef290fcd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.476920][ T1469] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc8b27a208e
[   78.477166][ T1469] RDX: 0000000000000000 RSI: 00007ffef290fd80 RDI: 0000000000000005
[   78.477406][ T1469] RBP: 00007ffef290fce0 R08: 0000000000000000 R09: 0000000000000000
[   78.477653][ T1469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.477912][ T1469] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef2910450
| [   78.486959][  T225] ------------[ cut here ]------------
| [   78.487126][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/225
| [   78.487402][  T225] Modules linked in:
| [   78.487887][  T225] Tainted: [W]=WARN
[   78.488024][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.488221][  T225] Workqueue: events_unbound linkwatch_event
[   78.488426][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.488640][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.489201][  T225] RSP: 0018:ffa0000000b079e0 EFLAGS: 00010286
[   78.489448][  T225] RAX: 00000000ffffffa6 RBX: ff1100000a16a740 RCX: 1ff4000000160f02
[   78.489724][  T225] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a7fc
[   78.490014][  T225] RBP: ff11000012959000 R08: 1fe220000142d501 R09: ff11000010272ea8
[   78.490289][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   78.490564][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.490837][  T225] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   78.491154][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.491403][  T225] CR2: 0000000032625988 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   78.491686][  T225] PKRU: 55555554
[   78.491889][  T225] Call Trace:
[   78.492069][  T225]  <TASK>
[   78.492223][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.492436][  T225]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.492657][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.492843][  T225]  netif_state_change (net/core/dev.c:1605)
[   78.493078][  T225]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   78.493324][  T225]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   78.493544][  T225]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   78.493758][  T225]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.493998][  T225]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   78.494212][  T225]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   78.494423][  T225]  process_one_work (kernel/workqueue.c:3314)
[   78.494647][  T225]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.494862][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.495144][  T225]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.495357][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.495572][  T225]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   78.495788][  T225]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.496025][  T225]  kthread (kernel/kthread.c:436)
[   78.496210][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.496452][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.496672][  T225]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.496910][  T225]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.497151][  T225]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.497364][  T225]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.497580][  T225]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.521893][ T1470] ------------[ cut here ]------------
| [   78.522034][ T1470] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1470
| [   78.522287][ T1470] Modules linked in:
| [   78.522650][ T1470] Tainted: [W]=WARN
[   78.522750][ T1470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.522922][ T1470] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.523090][ T1470] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.523550][ T1470] RSP: 0018:ffa00000043b7150 EFLAGS: 00010286
[   78.523712][ T1470] RAX: 00000000ffffffa6 RBX: ff1100000ee50c80 RCX: 1ff4000000876df0
[   78.523926][ T1470] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50d3c
[   78.524118][ T1470] RBP: ff11000012954000 R08: 1fe2200001dca1a9 R09: ff11000008db0b58
[   78.524312][ T1470] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   78.524502][ T1470] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c7fe340
[   78.524702][ T1470] FS:  00007f5ebd849840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   78.524944][ T1470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.525104][ T1470] CR2: 00000000004eba70 CR3: 000000000a990001 CR4: 0000000000771ef0
[   78.525296][ T1470] PKRU: 55555554
[   78.525394][ T1470] Call Trace:
[   78.525489][ T1470]  <TASK>
[   78.525559][ T1470]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.525690][ T1470]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.525819][ T1470]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.525925][ T1470]  netif_state_change (net/core/dev.c:1605)
[   78.526058][ T1470]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   78.526218][ T1470]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   78.526381][ T1470]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   78.526513][ T1470]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   78.526642][ T1470]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.526770][ T1470]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.526911][ T1470]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   78.527039][ T1470]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.527166][ T1470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.527295][ T1470]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.527440][ T1470]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.527572][ T1470]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.527700][ T1470]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.527828][ T1470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.528058][ T1470]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.528255][ T1470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.528387][ T1470]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   78.528517][ T1470]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.528646][ T1470]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.528774][ T1470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.529004][ T1470]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.529133][ T1470]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.529261][ T1470]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.529389][ T1470]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.529520][ T1470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.529649][ T1470]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.529781][ T1470]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.529987][ T1470]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.530118][ T1470]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.530248][ T1470]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.530377][ T1470]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.530512][ T1470]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.530642][ T1470]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.530771][ T1470]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.530991][ T1470]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.531121][ T1470]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.531250][ T1470]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.531409][ T1470]  ? move_addr_to_kernel (net/socket.c:258)
[   78.531541][ T1470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.531671][ T1470]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.531830][ T1470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.532038][ T1470]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.532199][ T1470]  ___sys_sendmsg (net/socket.c:2752)
[   78.532328][ T1470]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.532456][ T1470]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.532593][ T1470]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   78.532721][ T1470]  ? do_getsockname (net/socket.c:2192)
[   78.532851][ T1470]  __sys_sendmsg (net/socket.c:2784)
[   78.533068][ T1470]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.533202][ T1470]  ? __sys_getsockname (net/socket.c:2210)
[   78.533330][ T1470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.533459][ T1470]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.533589][ T1470]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.533718][ T1470]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.533847][ T1470]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.534065][ T1470] RIP: 0033:0x7f5ebda8308e
[   78.534199][ T1470] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.534658][ T1470] RSP: 002b:00007fff81fc2c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.534854][ T1470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ebda8308e
[   78.535056][ T1470] RDX: 0000000000000000 RSI: 00007fff81fc2ce0 RDI: 0000000000000006
[   78.535247][ T1470] RBP: 00007fff81fc2c40 R08: 0000000000000000 R09: 0000000000000000
[   78.535437][ T1470] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.535632][ T1470] R13: 00007fff81fc2d90 R14: 00007fff81fc684c R15: 0000000000000000
| [   78.708008][ T1476] ------------[ cut here ]------------
| [   78.708160][ T1476] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1476
| [   78.708424][ T1476] Modules linked in:
| [   78.708799][ T1476] Tainted: [W]=WARN
[   78.708912][ T1476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.709078][ T1476] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.709251][ T1476] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.709725][ T1476] RSP: 0018:ffa00000044071b0 EFLAGS: 00010286
[   78.709904][ T1476] RAX: 00000000ffffffa6 RBX: ff1100000f1b78c0 RCX: 1ff4000000880dfc
[   78.710101][ T1476] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b797c
[   78.710300][ T1476] RBP: ff11000006004000 R08: 1fe2200001e36f31 R09: ff1100000a905180
[   78.710497][ T1476] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.710699][ T1476] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   78.710911][ T1476] FS:  00007fee99183840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   78.711145][ T1476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.711312][ T1476] CR2: 00000000004a2860 CR3: 0000000012a49006 CR4: 0000000000771ef0
[   78.711517][ T1476] PKRU: 55555554
[   78.711617][ T1476] Call Trace:
[   78.711717][ T1476]  <TASK>
[   78.711787][ T1476]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.711934][ T1476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.712035][ T1476]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   78.712170][ T1476]  __dev_notify_flags (net/core/dev.c:9787)
[   78.712306][ T1476]  ? netif_change_name (net/core/dev.c:1495)
[   78.712439][ T1476]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   78.712579][ T1476]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   78.712713][ T1476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.712845][ T1476]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   78.712987][ T1476]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   78.713121][ T1476]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   78.713254][ T1476]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   78.713388][ T1476]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   78.713524][ T1476]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   78.713657][ T1476]  ? __dev_get_by_name (net/core/dev.c:883)
[   78.713793][ T1476]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   78.713945][ T1476]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   78.714082][ T1476]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.714216][ T1476]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.714350][ T1476]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.714484][ T1476]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.714618][ T1476]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.714750][ T1476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.714898][ T1476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.715031][ T1476]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.715166][ T1476]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.715301][ T1476]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.715434][ T1476]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.715571][ T1476]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.715707][ T1476]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.715838][ T1476]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.715983][ T1476]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.716115][ T1476]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.716248][ T1476]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.716385][ T1476]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.716519][ T1476]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.716655][ T1476]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.716790][ T1476]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.716933][ T1476]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.717067][ T1476]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.717200][ T1476]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.717336][ T1476]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.717471][ T1476]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.717607][ T1476]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.717739][ T1476]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.717914][ T1476]  ? move_addr_to_kernel (net/socket.c:258)
[   78.718050][ T1476]  ___sys_sendmsg (net/socket.c:2752)
[   78.718183][ T1476]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.718321][ T1476]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.718491][ T1476]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   78.718630][ T1476]  __sys_sendmsg (net/socket.c:2784)
[   78.718764][ T1476]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.718911][ T1476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.719046][ T1476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.719179][ T1476]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.719312][ T1476]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.719446][ T1476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.719616][ T1476] RIP: 0033:0x7fee993bd08e
[   78.719756][ T1476] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.720238][ T1476] RSP: 002b:00007ffddfd8e380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.720440][ T1476] RAX: ffffffffffffffda RBX: 00007ffddfd8eb28 RCX: 00007fee993bd08e
[   78.720642][ T1476] RDX: 0000000000000000 RSI: 00007ffddfd8e430 RDI: 0000000000000005
[   78.720840][ T1476] RBP: 00007ffddfd8e390 R08: 0000000000000000 R09: 0000000000000000
[   78.721049][ T1476] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3a
[   78.721245][ T1476] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddfd8eb00
| [   78.749103][ T1477] ------------[ cut here ]------------
| [   78.749285][ T1477] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1477
| [   78.749599][ T1477] Modules linked in:
| [   78.750078][ T1477] Tainted: [W]=WARN
[   78.750224][ T1477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.750434][ T1477] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.750656][ T1477] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.751183][ T1477] RSP: 0018:ffa0000004417020 EFLAGS: 00010286
[   78.751394][ T1477] RAX: 00000000ffffffa6 RBX: ff1100000b963e00 RCX: 1ff4000000882dca
[   78.751642][ T1477] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b963ebc
[   78.752528][ T1477] RBP: ff11000006004000 R08: 1fe220000172c7d9 R09: ff1100000a902e58
[   78.752848][ T1477] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   78.753185][ T1477] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   78.753519][ T1477] FS:  00007f1e05339840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   78.753825][ T1477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.754051][ T1477] CR2: 0000000004fd9988 CR3: 0000000009b08001 CR4: 0000000000771ef0
[   78.754293][ T1477] PKRU: 55555554
[   78.754438][ T1477] Call Trace:
[   78.754589][ T1477]  <TASK>
[   78.754703][ T1477]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.754902][ T1477]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.755049][ T1477]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   78.755226][ T1477]  __dev_notify_flags (net/core/dev.c:9787)
[   78.755406][ T1477]  ? netif_change_name (net/core/dev.c:1495)
[   78.755592][ T1477]  ? __dev_change_flags (net/core/dev.c:9752)
[   78.755773][ T1477]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   78.755970][ T1477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.756152][ T1477]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.756334][ T1477]  netif_change_flags (net/core/dev.c:9820)
[   78.756515][ T1477]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   78.756696][ T1477]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   78.756899][ T1477]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.757078][ T1477]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.757287][ T1477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.757464][ T1477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.757650][ T1477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.757828][ T1477]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.758028][ T1477]  ? __kernel_text_address (kernel/extable.c:79)
[   78.758207][ T1477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.758386][ T1477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.758569][ T1477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.758749][ T1477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.758949][ T1477]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.759126][ T1477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.759304][ T1477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.759481][ T1477]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.759666][ T1477]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.759843][ T1477]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.760043][ T1477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.760225][ T1477]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.760406][ T1477]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.760594][ T1477]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.760773][ T1477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.760972][ T1477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.761152][ T1477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.761328][ T1477]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.761505][ T1477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.761690][ T1477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.761888][ T1477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.762067][ T1477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.762245][ T1477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.762423][ T1477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.762608][ T1477]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.762787][ T1477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.762985][ T1477]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.763164][ T1477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.763342][ T1477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.763519][ T1477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.763700][ T1477]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.763899][ T1477]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.764079][ T1477]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.764259][ T1477]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.764436][ T1477]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.764624][ T1477]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.764805][ T1477]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.765008][ T1477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.765190][ T1477]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.765370][ T1477]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.765554][ T1477]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.765734][ T1477]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.765928][ T1477]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.766107][ T1477]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.766315][ T1477]  ? move_addr_to_kernel (net/socket.c:258)
[   78.766493][ T1477]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.766678][ T1477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.766859][ T1477]  ___sys_sendmsg (net/socket.c:2752)
[   78.767058][ T1477]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.767269][ T1477]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.767458][ T1477]  __sys_sendmsg (net/socket.c:2784)
[   78.767645][ T1477]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.767823][ T1477]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.768059][ T1477]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.768238][ T1477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.768418][ T1477]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.768603][ T1477]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.768781][ T1477]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.768982][ T1477]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.769192][ T1477] RIP: 0033:0x7f1e0557308e
[   78.769376][ T1477] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.769913][ T1477] RSP: 002b:00007ffc5f87df30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.770158][ T1477] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1e0557308e
[   78.770396][ T1477] RDX: 0000000000000000 RSI: 00007ffc5f87dfe0 RDI: 0000000000000005
[   78.770647][ T1477] RBP: 00007ffc5f87df40 R08: 0000000000000000 R09: 0000000000000000
[   78.770907][ T1477] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3b
[   78.771147][ T1477] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5f87e6b0
| [   78.914670][ T1482] ------------[ cut here ]------------
| [   78.914859][ T1482] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1482
| [   78.915356][ T1482] Modules linked in:
| [   78.915827][ T1482] Tainted: [W]=WARN
[   78.915994][ T1482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.916209][ T1482] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.916429][ T1482] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.916972][ T1482] RSP: 0018:ffa00000044671b0 EFLAGS: 00010286
[   78.917187][ T1482] RAX: 00000000ffffffa6 RBX: ff1100000d52f1c0 RCX: 1ff400000088cdfc
[   78.917433][ T1482] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f27c
[   78.917681][ T1482] RBP: ff11000010474000 R08: 1fe2200001aa5e51 R09: ff11000008d48b80
[   78.917947][ T1482] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.918188][ T1482] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   78.918435][ T1482] FS:  00007f1f345e3840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   78.918720][ T1482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.918955][ T1482] CR2: 00000000004a2860 CR3: 0000000012a27002 CR4: 0000000000771ef0
[   78.919202][ T1482] PKRU: 55555554
[   78.919347][ T1482] Call Trace:
[   78.919493][ T1482]  <TASK>
[   78.919617][ T1482]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.919799][ T1482]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.919967][ T1482]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.920149][ T1482]  __dev_notify_flags (net/core/dev.c:9787)
[   78.920330][ T1482]  ? netif_change_name (net/core/dev.c:1495)
[   78.920511][ T1482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.920694][ T1482]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.920896][ T1482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.921074][ T1482]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.921254][ T1482]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   78.921436][ T1482]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   78.921623][ T1482]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   78.921803][ T1482]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   78.922007][ T1482]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   78.922190][ T1482]  ? __dev_get_by_name (net/core/dev.c:883)
[   78.922368][ T1482]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   78.922560][ T1482]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   78.922744][ T1482]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.922948][ T1482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.923130][ T1482]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.923311][ T1482]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.923490][ T1482]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.923677][ T1482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.923863][ T1482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.924066][ T1482]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.924246][ T1482]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.924427][ T1482]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.924616][ T1482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.924797][ T1482]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.924998][ T1482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.925177][ T1482]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.925357][ T1482]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.925539][ T1482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.925723][ T1482]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.925928][ T1482]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.926107][ T1482]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.926290][ T1482]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.926471][ T1482]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.926658][ T1482]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.926838][ T1482]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.927035][ T1482]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.927215][ T1482]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.927397][ T1482]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.927586][ T1482]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.927767][ T1482]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.927995][ T1482]  ? move_addr_to_kernel (net/socket.c:258)
[   78.928182][ T1482]  ___sys_sendmsg (net/socket.c:2752)
[   78.928365][ T1482]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.928557][ T1482]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.928776][ T1482]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   78.928982][ T1482]  __sys_sendmsg (net/socket.c:2784)
[   78.929165][ T1482]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.929348][ T1482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.929533][ T1482]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.929712][ T1482]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.929911][ T1482]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.930093][ T1482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.930304][ T1482] RIP: 0033:0x7f1f3481d08e
[   78.930489][ T1482] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.931032][ T1482] RSP: 002b:00007ffcd06b04d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.931278][ T1482] RAX: ffffffffffffffda RBX: 00007ffcd06b0c78 RCX: 00007f1f3481d08e
[   78.931520][ T1482] RDX: 0000000000000000 RSI: 00007ffcd06b0580 RDI: 0000000000000005
[   78.931766][ T1482] RBP: 00007ffcd06b04e0 R08: 0000000000000000 R09: 0000000000000000
[   78.932029][ T1482] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3b
[   78.932270][ T1482] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd06b0c50
| [   78.955799][ T1483] ------------[ cut here ]------------
| [   78.955957][ T1483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1483
| [   78.956218][ T1483] Modules linked in:
| [   78.956580][ T1483] Tainted: [W]=WARN
[   78.956679][ T1483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.956840][ T1483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.957023][ T1483] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   78.957481][ T1483] RSP: 0018:ffa0000004477020 EFLAGS: 00010286
[   78.957645][ T1483] RAX: 00000000ffffffa6 RBX: ff1100000d52fa80 RCX: 1ff400000088edca
[   78.957836][ T1483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52fb3c
[   78.958041][ T1483] RBP: ff11000010474000 R08: 1fe2200001aa5f69 R09: ff11000008d4ae58
[   78.958232][ T1483] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   78.958424][ T1483] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   78.958620][ T1483] FS:  00007fab99e3d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   78.958845][ T1483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.959018][ T1483] CR2: 000000002d11b988 CR3: 0000000012a49001 CR4: 0000000000771ef0
[   78.959217][ T1483] PKRU: 55555554
[   78.959313][ T1483] Call Trace:
[   78.959408][ T1483]  <TASK>
[   78.959474][ T1483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.959609][ T1483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.959708][ T1483]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   78.959838][ T1483]  __dev_notify_flags (net/core/dev.c:9787)
[   78.959981][ T1483]  ? netif_change_name (net/core/dev.c:1495)
[   78.960111][ T1483]  ? __dev_change_flags (net/core/dev.c:9752)
[   78.960241][ T1483]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   78.960370][ T1483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.960499][ T1483]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   78.960633][ T1483]  netif_change_flags (net/core/dev.c:9820)
[   78.960763][ T1483]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   78.960973][ T1483]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   78.961106][ T1483]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   78.961237][ T1483]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   78.961475][ T1483]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.961608][ T1483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.961737][ T1483]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.961926][ T1483]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.962058][ T1483]  ? __kernel_text_address (kernel/extable.c:79)
[   78.962189][ T1483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.962319][ T1483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.962449][ T1483]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.962582][ T1483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.962711][ T1483]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.962840][ T1483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.963049][ T1483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.963178][ T1483]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   78.963310][ T1483]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   78.963438][ T1483]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   78.963571][ T1483]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   78.963701][ T1483]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   78.963834][ T1483]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   78.964048][ T1483]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   78.964178][ T1483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.964307][ T1483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.964435][ T1483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.964568][ T1483]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   78.964697][ T1483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.964830][ T1483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.965060][ T1483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.965188][ T1483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.965318][ T1483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.965447][ T1483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   78.965579][ T1483]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   78.965708][ T1483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.965839][ T1483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.966024][ T1483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.966155][ T1483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.966282][ T1483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   78.966411][ T1483]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   78.966542][ T1483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.966671][ T1483]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.966805][ T1483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.966945][ T1483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.967077][ T1483]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.967208][ T1483]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.967337][ T1483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   78.967467][ T1483]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   78.967601][ T1483]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   78.967732][ T1483]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   78.967865][ T1483]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   78.968006][ T1483]  ? copy_msghdr_from_user (net/socket.c:2635)
[   78.968136][ T1483]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   78.968296][ T1483]  ? move_addr_to_kernel (net/socket.c:258)
[   78.968425][ T1483]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.968558][ T1483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   78.968689][ T1483]  ___sys_sendmsg (net/socket.c:2752)
[   78.968819][ T1483]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   78.968994][ T1483]  ? copy_msghdr_from_user (net/socket.c:2603)
[   78.969136][ T1483]  __sys_sendmsg (net/socket.c:2784)
[   78.969264][ T1483]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   78.969392][ T1483]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   78.969556][ T1483]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.969686][ T1483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.969815][ T1483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   78.969955][ T1483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   78.970084][ T1483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   78.970214][ T1483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.970375][ T1483] RIP: 0033:0x7fab9a07708e
[   78.970514][ T1483] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.970983][ T1483] RSP: 002b:00007ffd927d4eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.971177][ T1483] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab9a07708e
[   78.971369][ T1483] RDX: 0000000000000000 RSI: 00007ffd927d4f60 RDI: 0000000000000005
[   78.971566][ T1483] RBP: 00007ffd927d4ec0 R08: 0000000000000000 R09: 0000000000000000
[   78.971757][ T1483] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3b
[   78.971967][ T1483] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd927d5630
| [   79.111137][ T1488] ------------[ cut here ]------------
| [   79.111286][ T1488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1488
| [   79.111546][ T1488] Modules linked in:
| [   79.112229][ T1488] Tainted: [W]=WARN
[   79.112412][ T1488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.112578][ T1488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.112746][ T1488] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.113224][ T1488] RSP: 0018:ffa00000044c7060 EFLAGS: 00010286
[   79.113384][ T1488] RAX: 00000000ffffffa6 RBX: ff1100000a8cf380 RCX: 1ff4000000898dd2
[   79.113578][ T1488] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf43c
[   79.113768][ T1488] RBP: ff11000012959000 R08: 1fe2200001519e89 R09: ff11000012502e58
[   79.113969][ T1488] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   79.114158][ T1488] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   79.114352][ T1488] FS:  00007f8405f20840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   79.114578][ T1488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.114736][ T1488] CR2: 00007f84061f01a0 CR3: 0000000012a49005 CR4: 0000000000771ef0
[   79.114941][ T1488] PKRU: 55555554
[   79.115037][ T1488] Call Trace:
[   79.115131][ T1488]  <TASK>
[   79.115198][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.115327][ T1488]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   79.115454][ T1488]  notifier_call_chain (kernel/notifier.c:85)
[   79.115587][ T1488]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   79.115716][ T1488]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   79.115844][ T1488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.115993][ T1488]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   79.116121][ T1488]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   79.116251][ T1488]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   79.116380][ T1488]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   79.116512][ T1488]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   79.116670][ T1488]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.116798][ T1488]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.116938][ T1488]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   79.117064][ T1488]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.117190][ T1488]  ? __kernel_text_address (kernel/extable.c:79)
[   79.117318][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.117448][ T1488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.117578][ T1488]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.117705][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.117833][ T1488]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.117974][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.118100][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.118226][ T1488]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   79.118354][ T1488]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   79.118482][ T1488]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   79.118611][ T1488]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.118740][ T1488]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   79.118871][ T1488]  ? nla_get_range_signed (lib/nlattr.c:270)
[   79.119007][ T1488]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   79.119138][ T1488]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   79.119267][ T1488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.119393][ T1488]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.119521][ T1488]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.119647][ T1488]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   79.119776][ T1488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.119915][ T1488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.120044][ T1488]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.120170][ T1488]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.120295][ T1488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.120428][ T1488]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.120559][ T1488]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   79.120687][ T1488]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.120813][ T1488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.120951][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.121082][ T1488]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.121207][ T1488]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.121334][ T1488]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   79.121461][ T1488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.121592][ T1488]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.121723][ T1488]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   79.121850][ T1488]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   79.121990][ T1488]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.122120][ T1488]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.122251][ T1488]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.122380][ T1488]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   79.122512][ T1488]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   79.122641][ T1488]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   79.122770][ T1488]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   79.122909][ T1488]  ? copy_msghdr_from_user (net/socket.c:2635)
[   79.123037][ T1488]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   79.123194][ T1488]  ? move_addr_to_kernel (net/socket.c:258)
[   79.123325][ T1488]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.123451][ T1488]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.123583][ T1488]  ___sys_sendmsg (net/socket.c:2752)
[   79.123710][ T1488]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   79.123879][ T1488]  ? copy_msghdr_from_user (net/socket.c:2603)
[   79.124021][ T1488]  __sys_sendmsg (net/socket.c:2784)
[   79.124149][ T1488]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   79.124277][ T1488]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   79.124438][ T1488]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.124570][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.124697][ T1488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.124825][ T1488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.124961][ T1488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.125089][ T1488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.125248][ T1488] RIP: 0033:0x7f840615a08e
[   79.125381][ T1488] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   79.125838][ T1488] RSP: 002b:00007ffce90a00c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.126050][ T1488] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f840615a08e
[   79.126242][ T1488] RDX: 0000000000000000 RSI: 00007ffce90a0170 RDI: 0000000000000005
[   79.126433][ T1488] RBP: 00007ffce90a00d0 R08: 0000000000000000 R09: 0000000000000000
[   79.126627][ T1488] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3b
[   79.126818][ T1488] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce90a0840
| [   86.761004][   T12] ------------[ cut here ]------------
| [   86.761166][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.761400][   T12] Modules linked in:
| [   86.761760][   T12] Tainted: [W]=WARN
[   86.761846][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.762003][   T12] Workqueue: netns cleanup_net
[   86.762127][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.762278][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.762691][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.762840][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b963000 RCX: 1ff4000000018eed
[   86.763026][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9630bc
[   86.763198][   T12] RBP: ff11000008341000 R08: 1fe220000172c619 R09: ff11000001aed1d0
[   86.763372][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   86.763547][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.763724][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.763968][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.764115][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.764291][   T12] PKRU: 55555554
[   86.764383][   T12] Call Trace:
[   86.764471][   T12]  <TASK>
[   86.764536][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.764691][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.764833][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.764964][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.765083][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.765204][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.765324][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.765442][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.765563][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.765681][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.765797][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.765924][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.766043][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.766160][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.766275][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.766394][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.766512][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.766632][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.766752][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.766874][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.767005][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.767129][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.767246][   T12]  kthread (kernel/kthread.c:436)
[   86.767340][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.767486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.767604][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.767724][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.767877][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.768000][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.768117][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.770342][   T12] ------------[ cut here ]------------
| [   86.770466][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.770700][   T12] Modules linked in:
| [   86.771125][   T12] Tainted: [W]=WARN
[   86.771214][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.771363][   T12] Workqueue: netns cleanup_net
[   86.771484][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.771636][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.772062][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.772208][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962740 RCX: 1ff4000000018eed
[   86.772379][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9627fc
[   86.772554][   T12] RBP: ff11000007861000 R08: 1fe220000172c501 R09: ff11000001aed1d0
[   86.772727][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   86.772911][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.773086][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.773291][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.773435][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.773612][   T12] PKRU: 55555554
[   86.773697][   T12] Call Trace:
[   86.773784][   T12]  <TASK>
[   86.773844][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.774005][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.774149][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.774269][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.774392][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.774506][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.774628][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.774749][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.774873][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.774994][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.775114][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.775232][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.775350][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.775467][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.775656][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.775774][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.775896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.776023][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.776144][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.776265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.776385][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.776503][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.776623][   T12]  kthread (kernel/kthread.c:436)
[   86.776712][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.776938][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.777054][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.777172][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.777321][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.777437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.777557][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.779833][   T12] ------------[ cut here ]------------
| [   86.779962][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.780188][   T12] Modules linked in:
| [   86.780610][   T12] Tainted: [W]=WARN
[   86.780701][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.780854][   T12] Workqueue: netns cleanup_net
[   86.780989][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.781140][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.781551][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.781697][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962c80 RCX: 1ff4000000018eed
[   86.781875][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962d3c
[   86.782055][   T12] RBP: ff11000005009000 R08: 1fe220000172c5a9 R09: ff11000001aed1d0
[   86.782227][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   86.782399][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.782575][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.782780][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.782936][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.783148][   T12] PKRU: 55555554
[   86.783234][   T12] Call Trace:
[   86.783322][   T12]  <TASK>
[   86.783384][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.783611][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.783753][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.783875][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.784004][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.784118][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.784237][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.784357][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.784476][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.784594][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.784781][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.784907][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.785026][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.785143][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.785330][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.785448][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.785637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.785755][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.785883][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.786004][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.786129][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.786253][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.786375][   T12]  kthread (kernel/kthread.c:436)
[   86.786463][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.786609][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.786724][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.786841][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.787001][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.787258][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.787380][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.789824][   T12] ------------[ cut here ]------------
| [   86.789949][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.790177][   T12] Modules linked in:
| [   86.790683][   T12] Tainted: [W]=WARN
[   86.790774][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.790933][   T12] Workqueue: netns cleanup_net
[   86.791052][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.791202][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.791769][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.791922][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27380 RCX: 1ff4000000018eed
[   86.792095][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2743c
[   86.792343][   T12] RBP: ff110000126d4000 R08: 1fe2200001b84e89 R09: ff11000001aed1d0
[   86.792518][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   86.792692][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.792949][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.793150][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.793296][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.793472][   T12] PKRU: 55555554
[   86.793562][   T12] Call Trace:
[   86.793650][   T12]  <TASK>
[   86.793715][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.793862][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.794018][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.794134][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.794394][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.794586][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.794703][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.794822][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.794949][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.795065][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.795258][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.795375][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.795495][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.795620][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.795737][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.795856][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.795984][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.796107][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.796230][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.796347][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.796547][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.796668][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.796784][   T12]  kthread (kernel/kthread.c:436)
[   86.796877][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.797098][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.797214][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.797330][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.797548][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.797665][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.797782][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.800090][   T12] ------------[ cut here ]------------
| [   86.800206][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.800430][   T12] Modules linked in:
| [   86.800781][   T12] Tainted: [W]=WARN
[   86.800873][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.801024][   T12] Workqueue: netns cleanup_net
[   86.801146][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.801378][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.801803][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.801962][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceed1c0 RCX: 1ff4000000018eed
[   86.802282][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed27c
[   86.802530][   T12] RBP: ff1100001271c000 R08: 1fe22000019dda51 R09: ff11000001aed1d0
[   86.802706][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   86.802888][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.803070][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.803274][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.803494][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.803679][   T12] PKRU: 55555554
[   86.803767][   T12] Call Trace:
[   86.803854][   T12]  <TASK>
[   86.803992][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.804144][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.804290][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.804412][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.804606][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.804724][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.804844][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.804972][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.805090][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.805280][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.805468][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.805590][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.805707][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.805901][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.806024][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.806142][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.806259][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.806379][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.806499][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.806690][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.806816][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.806948][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.807066][   T12]  kthread (kernel/kthread.c:436)
[   86.807154][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.807463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.807583][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.807701][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.807847][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.807971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.808090][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.829739][   T12] ------------[ cut here ]------------
| [   86.829879][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.830126][   T12] Modules linked in:
| [   86.830508][   T12] Tainted: [W]=WARN
[   86.830602][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.830753][   T12] Workqueue: netns cleanup_net
[   86.830883][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.831047][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.831481][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   86.831636][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceece40 RCX: 1ff4000000018eaf
[   86.831817][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceecefc
[   86.832009][   T12] RBP: ff1100001268c000 R08: 1fe22000019dd9e1 R09: ff11000001aed1d0
[   86.832191][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   86.832371][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a389000
[   86.832561][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.832776][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.832941][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.833124][   T12] PKRU: 55555554
[   86.833216][   T12] Call Trace:
[   86.833306][   T12]  <TASK>
[   86.833369][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   86.833492][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   86.833590][   T12]  netif_close_many (net/core/dev.c:1804)
[   86.833711][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.833830][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.833967][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.834089][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   86.834211][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   86.834365][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   86.834520][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.834644][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.834795][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.834929][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.835051][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   86.835202][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   86.835328][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   86.835452][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   86.835578][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   86.835700][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   86.835824][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   86.835958][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.836078][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.836198][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.836321][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.836446][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.836570][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.836692][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.836814][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.836942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.837066][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.837199][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.837321][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.837453][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.837581][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.837703][   T12]  kthread (kernel/kthread.c:436)
[   86.837795][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.837958][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.838080][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.838201][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.838355][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.838476][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.838602][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.841191][   T12] ------------[ cut here ]------------
| [   86.841317][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.841572][   T12] Modules linked in:
| [   86.841948][   T12] Tainted: [W]=WARN
[   86.842040][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.842194][   T12] Workqueue: netns cleanup_net
[   86.842321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.842481][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.842995][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   86.843149][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7d5380 RCX: 1ff4000000018eaf
[   86.843332][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d543c
[   86.843516][   T12] RBP: ff1100000a389000 R08: 1fe22000016faa89 R09: ff11000001aed1d0
[   86.843697][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   86.843935][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009484000
[   86.844169][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.844384][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.844541][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.844726][   T12] PKRU: 55555554
[   86.844817][   T12] Call Trace:
[   86.844961][   T12]  <TASK>
[   86.845025][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   86.845147][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   86.845270][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   86.845364][   T12]  netif_close_many (net/core/dev.c:1804)
[   86.845487][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.845610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.845731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.845854][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   86.846035][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   86.846190][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   86.846342][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.846468][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.846626][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.846747][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.846921][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   86.847075][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   86.847201][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   86.847324][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   86.847447][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   86.847572][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   86.847694][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   86.847818][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.848007][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.848128][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.848250][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.848373][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.848496][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.848620][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.848742][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.848863][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.849041][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.849166][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.849287][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.849417][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.849545][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.849666][   T12]  kthread (kernel/kthread.c:436)
[   86.849759][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.849975][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.850098][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.850218][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.850368][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.850489][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.850612][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.853199][   T12] ------------[ cut here ]------------
| [   86.853325][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   86.853567][   T12] Modules linked in:
| [   86.854087][   T12] Tainted: [W]=WARN
[   86.854179][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.854330][   T12] Workqueue: netns cleanup_net
[   86.854454][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.854613][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.855108][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   86.855262][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4b1c0 RCX: 1ff4000000018eaf
[   86.855440][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b27c
[   86.855627][   T12] RBP: ff11000009484000 R08: 1fe2200001f89651 R09: ff11000001aed1d0
[   86.855808][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   86.856043][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   86.856225][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   86.856436][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.856593][   T12] CR2: 00007f96f1b90f98 CR3: 000000000f376001 CR4: 0000000000771ef0
[   86.856775][   T12] PKRU: 55555554
[   86.856919][   T12] Call Trace:
[   86.857010][   T12]  <TASK>
[   86.857074][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   86.857193][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   86.857314][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   86.857408][   T12]  netif_close_many (net/core/dev.c:1804)
[   86.857533][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.857651][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.857772][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.857946][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   86.858069][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   86.858220][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   86.858371][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.858494][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.858648][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.858769][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.858949][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   86.859102][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   86.859227][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   86.859349][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   86.859473][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   86.859599][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   86.859722][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   86.859844][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.860019][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.860139][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.860261][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.860386][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.860512][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.860633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.860769][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.860944][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.861067][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.861191][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.861316][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.861450][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.861578][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.861700][   T12]  kthread (kernel/kthread.c:436)
[   86.861792][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.861999][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.862119][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.862241][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.862398][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.862520][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.862643][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.865818][   T12] ------------[ cut here ]------------
| [   86.865972][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.866209][   T12] Modules linked in:
| [   86.866569][   T12] Tainted: [W]=WARN
[   86.866658][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.866809][   T12] Workqueue: netns cleanup_net
[   86.866946][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.867100][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.867520][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   86.867672][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4b8c0 RCX: 1ff4000000018ed5
[   86.867847][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b97c
[   86.868035][   T12] RBP: ff1100001268c000 R08: 1fe2200001f89731 R09: ff11000001aed1d0
[   86.868208][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.868381][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.868560][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.868765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.868922][   T12] CR2: 00007f323bffb600 CR3: 0000000012aa4002 CR4: 0000000000771ef0
[   86.869097][   T12] PKRU: 55555554
[   86.869184][   T12] Call Trace:
[   86.869275][   T12]  <TASK>
[   86.869336][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.869485][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.869632][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.869749][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.869864][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   86.870026][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   86.870144][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   86.870260][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   86.870378][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   86.870495][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   86.870617][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.870733][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.870847][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.870973][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.871091][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.871212][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.871328][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.871448][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.871567][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.871685][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.871805][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.871935][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.872056][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.872177][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.872296][   T12]  kthread (kernel/kthread.c:436)
[   86.872383][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.872530][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.872646][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.872762][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.872916][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.873034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.873150][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.875514][   T12] ------------[ cut here ]------------
| [   86.875632][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.875859][   T12] Modules linked in:
| [   86.876227][   T12] Tainted: [W]=WARN
[   86.876314][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.876460][   T12] Workqueue: netns cleanup_net
[   86.876583][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.876734][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.877161][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   86.877307][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d473a80 RCX: 1ff4000000018ed5
[   86.877480][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d473b3c
[   86.877655][   T12] RBP: ff1100000a389000 R08: 1fe2200001a8e769 R09: ff11000001aed1d0
[   86.877827][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.878013][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.878189][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.878390][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.878537][   T12] CR2: 00007f323bffb600 CR3: 0000000012aa4002 CR4: 0000000000771ef0
[   86.878712][   T12] PKRU: 55555554
[   86.878797][   T12] Call Trace:
[   86.878891][   T12]  <TASK>
[   86.878959][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.879108][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.879257][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.879374][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.879488][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   86.879639][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   86.879757][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   86.879883][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   86.880005][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   86.880122][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   86.880240][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.880355][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.880469][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.880588][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.880706][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.880822][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.880952][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.881070][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.881185][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.881302][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.881422][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.881543][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.881664][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.881786][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.881913][   T12]  kthread (kernel/kthread.c:436)
[   86.882002][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.882147][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.882266][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.882388][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.882537][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.882652][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.882770][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.885391][   T12] ------------[ cut here ]------------
| [   86.885513][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.885741][   T12] Modules linked in:
| [   86.886126][   T12] Tainted: [W]=WARN
[   86.886214][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.886364][   T12] Workqueue: netns cleanup_net
[   86.886485][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.886639][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.887069][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   86.887217][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16be00 RCX: 1ff4000000018ed5
[   86.887390][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bebc
[   86.887569][   T12] RBP: ff11000009484000 R08: 1fe220000142d7d9 R09: ff11000001aed1d0
[   86.887745][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.887933][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.888109][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.888316][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.888461][   T12] CR2: 00007f323bffb600 CR3: 0000000012aa4002 CR4: 0000000000771ef0
[   86.888640][   T12] PKRU: 55555554
[   86.888730][   T12] Call Trace:
[   86.888818][   T12]  <TASK>
[   86.888884][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.889046][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.889194][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.889311][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.889427][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   86.889579][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   86.889699][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   86.889817][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   86.889942][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   86.890064][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   86.890183][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.890305][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.890422][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.890545][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.890665][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.890782][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.890911][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.891031][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.891149][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.891267][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.891388][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.891506][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.891631][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.891752][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.891875][   T12]  kthread (kernel/kthread.c:436)
[   86.891970][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.892117][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.892233][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.892351][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.892496][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.892620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.892738][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.932219][   T12] ------------[ cut here ]------------
| [   86.932351][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.932588][   T12] Modules linked in:
| [   86.933326][   T12] Tainted: [W]=WARN
[   86.933422][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.933574][   T12] Workqueue: netns cleanup_net
[   86.933694][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.933847][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.934292][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.934438][   T12] RAX: 00000000ffffffa6 RBX: ff11000008dc7e00 RCX: 1ff4000000018eed
[   86.934622][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc7ebc
[   86.934796][   T12] RBP: ff110000096b4000 R08: 1fe22000011b8fd9 R09: ff11000001aed1d0
[   86.934976][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.935149][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.935322][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.935529][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.935680][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   86.935853][   T12] PKRU: 55555554
[   86.935948][   T12] Call Trace:
[   86.936039][   T12]  <TASK>
[   86.936101][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.936254][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.936397][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.936516][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.936633][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.936748][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.936876][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.937003][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.937120][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.937237][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.937352][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.937469][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.937591][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.937710][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.937824][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.937950][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.938064][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.938180][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.938298][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.938416][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.938541][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.938665][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.938780][   T12]  kthread (kernel/kthread.c:436)
[   86.938873][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.939021][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.939136][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.939251][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.939399][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.939516][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.939631][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.941761][   T12] ------------[ cut here ]------------
| [   86.941880][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.942107][   T12] Modules linked in:
| [   86.942457][   T12] Tainted: [W]=WARN
[   86.942546][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.942688][   T12] Workqueue: netns cleanup_net
[   86.942806][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.942968][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.943376][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.943520][   T12] RAX: 00000000ffffffa6 RBX: ff11000008dc6040 RCX: 1ff4000000018eed
[   86.943691][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc60fc
[   86.943862][   T12] RBP: ff1100000fd64000 R08: 1fe22000011b8c21 R09: ff11000001aed1d0
[   86.944046][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.944217][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.944397][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.944603][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.944745][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   86.944928][   T12] PKRU: 55555554
[   86.945014][   T12] Call Trace:
[   86.945099][   T12]  <TASK>
[   86.945160][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.945308][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.945449][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.945568][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.945688][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.945802][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.945930][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.946047][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.946162][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.946278][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.946391][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.946507][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.946624][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.946740][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.946855][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.946983][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.947097][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.947213][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.947332][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.947445][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.947567][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.947687][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.947802][   T12]  kthread (kernel/kthread.c:436)
[   86.947893][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.948041][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.948155][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.948270][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.948413][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.948531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.948646][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.950767][   T12] ------------[ cut here ]------------
| [   86.950885][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.951116][   T12] Modules linked in:
| [   86.951463][   T12] Tainted: [W]=WARN
[   86.951556][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.951700][   T12] Workqueue: netns cleanup_net
[   86.951829][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.951993][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.952402][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.952548][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e441a80 RCX: 1ff4000000018eed
[   86.952719][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e441b3c
[   86.952896][   T12] RBP: ff1100000a1a4000 R08: 1fe2200001c88369 R09: ff11000001aed1d0
[   86.953073][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.953245][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.953418][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.953624][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.953768][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   86.953950][   T12] PKRU: 55555554
[   86.954036][   T12] Call Trace:
[   86.954125][   T12]  <TASK>
[   86.954185][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.954332][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.954474][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.954593][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.954710][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.954824][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.954949][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.955067][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.955183][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.955298][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.955413][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.955533][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.955649][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.955767][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.955887][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.956010][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.956124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.956240][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.956363][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.956479][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.956601][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.956720][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.956838][   T12]  kthread (kernel/kthread.c:436)
[   86.956938][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.957084][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.957200][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.957314][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.957457][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.957575][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.957690][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.959641][   T12] ------------[ cut here ]------------
| [   86.959755][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.959996][   T12] Modules linked in:
| [   86.960345][   T12] Tainted: [W]=WARN
[   86.960432][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.960577][   T12] Workqueue: netns cleanup_net
[   86.960695][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.960844][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.961266][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.961416][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e440040 RCX: 1ff4000000018eed
[   86.961591][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4400fc
[   86.961764][   T12] RBP: ff11000007f5c000 R08: 1fe2200001c88021 R09: ff11000001aed1d0
[   86.961943][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.962115][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.962290][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.962491][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.962642][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   86.962814][   T12] PKRU: 55555554
[   86.962911][   T12] Call Trace:
[   86.962998][   T12]  <TASK>
[   86.963059][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.963206][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.963350][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.963465][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.963587][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.963703][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.963823][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.963950][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.964068][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.964185][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.964300][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.964416][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.964537][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.964655][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.964770][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.964897][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.965017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.965134][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.965253][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.965367][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.965488][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.965608][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.965724][   T12]  kthread (kernel/kthread.c:436)
[   86.965810][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.965967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.966087][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.966202][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.966349][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.966463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.966583][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.968548][   T12] ------------[ cut here ]------------
| [   86.968661][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.968925][   T12] Modules linked in:
| [   86.969282][   T12] Tainted: [W]=WARN
[   86.969373][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.969519][   T12] Workqueue: netns cleanup_net
[   86.969638][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.969788][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   86.970210][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   86.970359][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f2900 RCX: 1ff4000000018eed
[   86.970544][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f29bc
[   86.970716][   T12] RBP: ff11000006014000 R08: 1fe22000020be539 R09: ff11000001aed1d0
[   86.970895][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   86.971072][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   86.971244][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   86.971444][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.971593][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   86.971764][   T12] PKRU: 55555554
[   86.971851][   T12] Call Trace:
[   86.971947][   T12]  <TASK>
[   86.972007][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   86.972157][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   86.972299][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   86.972414][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   86.972533][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.972648][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   86.972764][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.972885][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   86.973007][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.973126][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   86.973241][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   86.973356][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   86.973471][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   86.973590][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   86.973703][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   86.973821][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   86.973944][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   86.974062][   T12]  process_one_work (kernel/workqueue.c:3314)
[   86.974182][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   86.974296][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   86.974416][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   86.974540][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   86.974654][   T12]  kthread (kernel/kthread.c:436)
[   86.974740][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.974889][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.975016][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   86.975130][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   86.975273][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   86.975388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   86.975503][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.998613][   T12] ------------[ cut here ]------------
| [   86.998746][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   86.999000][   T12] Modules linked in:
| [   86.999373][   T12] Tainted: [W]=WARN
[   86.999464][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.999620][   T12] Workqueue: netns cleanup_net
[   86.999745][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   86.999913][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.000350][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   87.000503][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f2200 RCX: 1ff4000000018eaf
[   87.000689][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f22bc
[   87.000878][   T12] RBP: ff11000012954000 R08: 1fe22000020be459 R09: ff11000001aed1d0
[   87.001066][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   87.001248][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012959000
[   87.001431][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.001650][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.001803][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.002005][   T12] PKRU: 55555554
[   87.002095][   T12] Call Trace:
[   87.002185][   T12]  <TASK>
[   87.002249][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.002374][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.002467][   T12]  netif_close_many (net/core/dev.c:1804)
[   87.002593][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.002715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.002836][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.002971][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   87.003095][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   87.003247][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   87.003400][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.003524][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.003675][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.003797][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.003932][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   87.004086][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   87.004211][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.004334][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.004456][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.004580][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.004704][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.004827][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.004963][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.005084][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.005207][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   87.005331][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.005456][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.005580][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.005705][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.005827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.005964][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.006090][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.006211][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.006337][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.006463][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.006588][   T12]  kthread (kernel/kthread.c:436)
[   87.006682][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.006835][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.006968][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.007091][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.007242][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.007362][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.007483][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.010155][   T12] ------------[ cut here ]------------
| [   87.010279][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   87.010520][   T12] Modules linked in:
| [   87.010894][   T12] Tainted: [W]=WARN
[   87.010993][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.011144][   T12] Workqueue: netns cleanup_net
[   87.011271][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.011430][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.011875][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   87.012033][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee51c40 RCX: 1ff4000000018eaf
[   87.012223][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51cfc
[   87.012403][   T12] RBP: ff11000012959000 R08: 1fe2200001dca3a1 R09: ff11000001aed1d0
[   87.012586][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   87.012767][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010091000
[   87.012961][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.013175][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.013328][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.013517][   T12] PKRU: 55555554
[   87.013607][   T12] Call Trace:
[   87.013699][   T12]  <TASK>
[   87.013763][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.013891][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.014019][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.014112][   T12]  netif_close_many (net/core/dev.c:1804)
[   87.014235][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.014356][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.014478][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.014604][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   87.014727][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   87.014884][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   87.015041][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.015162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.015312][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.015433][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.015556][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   87.015708][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   87.015833][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.015973][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.016095][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.016218][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.016339][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.016462][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.016587][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.016709][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.016832][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   87.016968][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.017091][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.017213][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.017336][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.017457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.017580][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.017708][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.017831][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.017969][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.018097][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.018220][   T12]  kthread (kernel/kthread.c:436)
[   87.018312][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.018462][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.018587][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.018709][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.018863][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.018996][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.019118][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.021742][   T12] ------------[ cut here ]------------
| [   87.021863][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   87.022111][   T12] Modules linked in:
| [   87.022480][   T12] Tainted: [W]=WARN
[   87.022576][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.022730][   T12] Workqueue: netns cleanup_net
[   87.022857][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.023028][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.023464][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   87.023622][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8ce3c0 RCX: 1ff4000000018eaf
[   87.023803][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8ce47c
[   87.023997][   T12] RBP: ff11000010091000 R08: 1fe2200001519c91 R09: ff11000001aed1d0
[   87.024183][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   87.024366][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   87.024552][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.024770][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.024939][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.025123][   T12] PKRU: 55555554
[   87.025215][   T12] Call Trace:
[   87.025306][   T12]  <TASK>
[   87.025370][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.025493][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.025620][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.025714][   T12]  netif_close_many (net/core/dev.c:1804)
[   87.025837][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.025969][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.026092][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.026214][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   87.026341][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   87.026511][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   87.026670][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.026793][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.026955][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.027077][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.027199][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   87.027352][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   87.027486][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.027615][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.027736][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.027860][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.027996][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.028119][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.028241][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.028362][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.028485][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   87.028610][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.028732][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.028853][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.028989][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.029110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.029233][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.029359][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.029480][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.029611][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.029736][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.029857][   T12]  kthread (kernel/kthread.c:436)
[   87.029963][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.030115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.030238][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.030366][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.030521][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.030644][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.030767][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.032899][   T12] ------------[ cut here ]------------
| [   87.033026][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   87.033257][   T12] Modules linked in:
| [   87.033617][   T12] Tainted: [W]=WARN
[   87.033705][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.033852][   T12] Workqueue: netns cleanup_net
[   87.034426][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.034635][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.035104][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   87.035253][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9e00 RCX: 1ff4000000018ed5
[   87.035429][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9ebc
[   87.035604][   T12] RBP: ff11000012954000 R08: 1fe22000021373d9 R09: ff11000001aed1d0
[   87.035778][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   87.036010][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.036187][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.036392][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.036541][   T12] CR2: 00007f323bffb600 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.036720][   T12] PKRU: 55555554
[   87.036808][   T12] Call Trace:
[   87.036949][   T12]  <TASK>
[   87.037012][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.037167][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.037322][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.037439][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.037561][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   87.037717][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.037836][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.038008][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.038127][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.038246][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.038364][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.038480][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.038601][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.038719][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   87.038838][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.039009][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.039126][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.039245][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.039362][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.039481][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.039605][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.039722][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.039845][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.040018][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.040134][   T12]  kthread (kernel/kthread.c:436)
[   87.040226][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.040371][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.040490][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.040611][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.040757][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.040926][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.041043][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.044488][   T12] ------------[ cut here ]------------
| [   87.044626][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   87.044858][   T12] Modules linked in:
| [   87.045240][   T12] Tainted: [W]=WARN
[   87.045328][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.045472][   T12] Workqueue: netns cleanup_net
[   87.045598][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.045749][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.046182][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   87.046336][   T12] RAX: 00000000ffffffa6 RBX: ff1100000901e900 RCX: 1ff4000000018ed5
[   87.046514][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901e9bc
[   87.046688][   T12] RBP: ff11000012959000 R08: 1fe2200001203d39 R09: ff11000001aed1d0
[   87.046862][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   87.047050][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.047226][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   87.047480][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.047647][   T12] CR2: 00007f21496bd2a0 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.047823][   T12] PKRU: 55555554
[   87.047968][   T12] Call Trace:
[   87.048056][   T12]  <TASK>
[   87.048117][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.048267][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.048421][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.048542][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.048659][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   87.048808][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.048939][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.049057][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.049174][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.049294][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.049411][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.049531][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.049648][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.049766][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   87.049890][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.050014][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.050130][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.050250][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.050366][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.050485][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.050608][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.050723][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.050845][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.050974][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.051092][   T12]  kthread (kernel/kthread.c:436)
[   87.051180][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.051324][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.051441][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.051562][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.051707][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.051823][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.051950][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.055116][   T12] ------------[ cut here ]------------
| [   87.055248][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   87.055483][   T12] Modules linked in:
| [   87.055845][   T12] Tainted: [W]=WARN
[   87.055948][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.056096][   T12] Workqueue: netns cleanup_net
[   87.056219][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.056372][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.056792][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   87.056954][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee5b000 RCX: 1ff4000000018ed5
[   87.057129][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5b0bc
[   87.057310][   T12] RBP: ff11000010091000 R08: 1fe2200001dcb619 R09: ff11000001aed1d0
[   87.057489][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   87.057665][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.057841][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   87.058060][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.058211][   T12] CR2: 00007f21496bd2a0 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.058389][   T12] PKRU: 55555554
[   87.058477][   T12] Call Trace:
[   87.058571][   T12]  <TASK>
[   87.058633][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.058788][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.058941][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.059060][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.059177][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   87.059328][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.059450][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.059572][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.059689][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.059807][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.059938][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.060057][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.060174][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.060292][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   87.060414][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.060536][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.060652][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.060772][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.060897][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.061021][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.061142][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.061259][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.061380][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.061503][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.061625][   T12]  kthread (kernel/kthread.c:436)
[   87.061713][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.061857][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.061990][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.062108][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.062255][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.062372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.062489][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.135056][   T12] ------------[ cut here ]------------
| [   87.135191][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   87.135422][   T12] Modules linked in:
| [   87.135784][   T12] Tainted: [W]=WARN
[   87.135961][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.136110][   T12] Workqueue: netns cleanup_net
[   87.136232][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.136384][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.136803][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   87.136965][   T12] RAX: 00000000ffffffa6 RBX: ff1100000901e040 RCX: 1ff4000000018eed
[   87.137145][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901e0fc
[   87.137320][   T12] RBP: ff11000005bcc000 R08: 1fe2200001203c21 R09: ff11000001aed1d0
[   87.137492][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   87.137715][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.137931][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   87.138136][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.138287][   T12] CR2: 00007f21496bd2a0 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.138460][   T12] PKRU: 55555554
[   87.138552][   T12] Call Trace:
[   87.138638][   T12]  <TASK>
[   87.138700][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.138855][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.139016][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   87.139140][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   87.139260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.139376][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   87.139494][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.139616][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   87.139737][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.139854][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.139994][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.140112][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.140227][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.140344][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.140459][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.140578][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.140702][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.140818][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.140947][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.141067][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.141182][   T12]  kthread (kernel/kthread.c:436)
[   87.141270][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.141418][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.141537][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.141652][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.141797][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.141921][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.142039][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.145133][   T12] ------------[ cut here ]------------
| [   87.145335][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   87.145587][   T12] Modules linked in:
| [   87.145959][   T12] Tainted: [W]=WARN
[   87.146049][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.146196][   T12] Workqueue: netns cleanup_net
[   87.146317][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.146471][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.146908][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   87.147054][   T12] RAX: 00000000ffffffa6 RBX: ff1100000901fa80 RCX: 1ff4000000018eed
[   87.147235][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901fb3c
[   87.147407][   T12] RBP: ff110000101b4000 R08: 1fe2200001203f69 R09: ff11000001aed1d0
[   87.147582][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   87.147753][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.147939][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   87.148146][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.148292][   T12] CR2: 00007f21496bd2a0 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.148467][   T12] PKRU: 55555554
[   87.148556][   T12] Call Trace:
[   87.148642][   T12]  <TASK>
[   87.148703][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.148852][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.149096][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   87.149214][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   87.149383][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.149500][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   87.149619][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.149736][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   87.149854][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.150021][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.150142][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.150258][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.150373][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.150491][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.150608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.150725][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.150844][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.151011][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.151132][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.151252][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.151369][   T12]  kthread (kernel/kthread.c:436)
[   87.151457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.151603][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.151720][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.151836][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.152037][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.152157][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.152272][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.154586][   T12] ------------[ cut here ]------------
| [   87.154751][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.155056][   T12] Modules linked in:
| [   87.155500][   T12] Tainted: [W]=WARN
[   87.155643][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.155839][   T12] Workqueue: netns cleanup_net
[   87.156032][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.156233][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.156702][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   87.156930][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d6ac0 RCX: 1ff4000000018eed
[   87.157161][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6b7c
[   87.157381][   T12] RBP: ff1100000ed01000 R08: 1fe2200001adad71 R09: ff11000001aed1d0
[   87.157609][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.157831][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.158075][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.158326][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.158519][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.158747][   T12] PKRU: 55555554
[   87.158893][   T12] Call Trace:
[   87.159036][   T12]  <TASK>
[   87.159144][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.159342][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.159535][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   87.159702][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   87.159883][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.160058][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   87.160260][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.160426][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   87.160600][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.160762][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.160952][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.161119][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.161283][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.161451][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.161621][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.161789][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.161981][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.162146][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.162315][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.162485][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.162654][   T12]  kthread (kernel/kthread.c:436)
[   87.162790][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.163007][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.163171][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.163336][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.163532][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.163696][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.163878][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.166291][   T12] ------------[ cut here ]------------
| [   87.166449][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.166729][   T12] Modules linked in:
| [   87.167203][   T12] Tainted: [W]=WARN
[   87.167338][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.167534][   T12] Workqueue: netns cleanup_net
[   87.167704][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.167923][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.168381][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   87.168581][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d7380 RCX: 1ff4000000018eed
[   87.168800][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d743c
[   87.169039][   T12] RBP: ff110000092b1000 R08: 1fe2200001adae89 R09: ff11000001aed1d0
[   87.169258][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.169477][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.169703][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.169974][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.170166][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.170388][   T12] PKRU: 55555554
[   87.170522][   T12] Call Trace:
[   87.170659][   T12]  <TASK>
[   87.170766][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.170986][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.171179][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   87.171343][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   87.171510][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.171680][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   87.171845][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.172031][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   87.172197][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.172360][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.172532][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.172698][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.172911][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.173079][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.173243][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.173410][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.173587][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.173752][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.173941][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.174110][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.174273][   T12]  kthread (kernel/kthread.c:436)
[   87.174435][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.174636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.174801][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.174985][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.175183][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.175349][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.175520][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.177948][   T12] ------------[ cut here ]------------
| [   87.178110][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.178414][   T12] Modules linked in:
| [   87.178914][   T12] Tainted: [W]=WARN
[   87.179048][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.179244][   T12] Workqueue: netns cleanup_net
[   87.179412][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.179617][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.180103][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   87.180309][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d63c0 RCX: 1ff4000000018eed
[   87.180531][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d647c
[   87.180751][   T12] RBP: ff11000010099000 R08: 1fe2200001adac91 R09: ff11000001aed1d0
[   87.180988][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.181205][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.181424][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.181677][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.181881][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.182111][   T12] PKRU: 55555554
[   87.182243][   T12] Call Trace:
[   87.182376][   T12]  <TASK>
[   87.182481][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.182680][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.182882][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   87.183053][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   87.183219][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.183380][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   87.183550][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   87.183715][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   87.183894][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.184064][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.184231][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.184397][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.184564][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.184729][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.184910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.185076][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.185256][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.185449][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.185626][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.185793][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.185979][   T12]  kthread (kernel/kthread.c:436)
[   87.186117][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.186308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.186470][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.186642][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.186833][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.187015][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.187178][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.202696][   T12] ------------[ cut here ]------------
| [   87.203290][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.203707][   T12] Modules linked in:
| [   87.204205][   T12] Tainted: [W]=WARN
[   87.204342][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.204545][   T12] Workqueue: netns cleanup_net
[   87.204720][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.204947][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.205428][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   87.205636][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d7a80 RCX: 1ff4000000018eaf
[   87.205867][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d7b3c
[   87.206110][   T12] RBP: ff11000010474000 R08: 1fe2200001adaf69 R09: ff11000001aed1d0
[   87.206336][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   87.206568][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006004000
[   87.206798][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.207078][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.207279][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.207508][   T12] PKRU: 55555554
[   87.207651][   T12] Call Trace:
[   87.207788][   T12]  <TASK>
[   87.207917][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.208088][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.208229][   T12]  netif_close_many (net/core/dev.c:1804)
[   87.208399][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   87.208575][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   87.208773][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.208960][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   87.209133][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   87.209333][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.209535][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   87.209709][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.209897][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.210076][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.210246][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.210415][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.210593][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.210796][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.210987][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.211163][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.211334][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.211503][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.211682][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.211854][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.212047][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.212221][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.212393][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.212574][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.212748][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.212936][   T12]  kthread (kernel/kthread.c:436)
[   87.213077][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.213275][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.213445][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.213621][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.213822][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.214015][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.214184][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.216499][   T12] ------------[ cut here ]------------
| [   87.216674][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.216988][   T12] Modules linked in:
| [   87.217465][   T12] Tainted: [W]=WARN
[   87.217644][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.217842][   T12] Workqueue: netns cleanup_net
[   87.218153][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.218412][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.218970][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   87.219221][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d7540 RCX: 1ff4000000018eaf
[   87.219497][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d75fc
[   87.219781][   T12] RBP: ff11000006004000 R08: 1fe2200001adaec1 R09: ff11000001aed1d0
[   87.220081][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   87.220366][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005821000
[   87.220652][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.220978][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.221226][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.221505][   T12] PKRU: 55555554
[   87.221696][   T12] Call Trace:
[   87.221896][   T12]  <TASK>
[   87.222062][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.222284][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.222501][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.222697][   T12]  netif_close_many (net/core/dev.c:1804)
[   87.222937][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   87.223119][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   87.223314][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.223482][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   87.223657][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   87.223860][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.224077][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   87.224251][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.224426][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.224605][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.224774][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.224967][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.225141][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.225313][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.225480][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.225657][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.225828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.226015][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.226186][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.226355][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.226529][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.226705][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.226888][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.227072][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.227247][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.227416][   T12]  kthread (kernel/kthread.c:436)
[   87.227562][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.227760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.227951][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.228124][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.228323][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.228492][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.228669][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.230839][   T12] ------------[ cut here ]------------
| [   87.231025][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.231313][   T12] Modules linked in:
| [   87.231791][   T12] Tainted: [W]=WARN
[   87.232446][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.232714][   T12] Workqueue: netns cleanup_net
[   87.232959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.233217][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.233759][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   87.234031][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b91c0 RCX: 1ff4000000018eaf
[   87.234311][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b927c
[   87.234589][   T12] RBP: ff11000005821000 R08: 1fe2200002137251 R09: ff11000001aed1d0
[   87.234934][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   87.235227][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   87.235506][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.235822][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.236095][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.236377][   T12] PKRU: 55555554
[   87.236568][   T12] Call Trace:
[   87.236753][   T12]  <TASK>
[   87.236930][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.237148][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.237364][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.237561][   T12]  netif_close_many (net/core/dev.c:1804)
[   87.237781][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   87.238024][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   87.238272][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.238490][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   87.238714][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   87.238987][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.239235][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   87.239452][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.239676][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.239916][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.240191][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.240458][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.240711][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.241001][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.241261][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.241463][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.241640][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.241808][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.242002][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.242173][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.242345][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.242523][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.242697][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.242885][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.243068][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.243240][   T12]  kthread (kernel/kthread.c:436)
[   87.243379][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.243590][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.243762][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.243955][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.244155][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.244323][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.244492][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.247039][   T12] ------------[ cut here ]------------
| [   87.247203][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.247479][   T12] Modules linked in:
| [   87.248382][   T12] Tainted: [W]=WARN
[   87.248570][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.248815][   T12] Workqueue: netns cleanup_net
[   87.249056][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.249304][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.249819][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   87.250082][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0580 RCX: 1ff4000000018ed5
[   87.250348][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa063c
[   87.250618][   T12] RBP: ff11000010474000 R08: 1fe22000019540c9 R09: ff11000001aed1d0
[   87.250900][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.251173][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.251440][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.251748][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.252011][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.252278][   T12] PKRU: 55555554
[   87.252466][   T12] Call Trace:
[   87.252653][   T12]  <TASK>
[   87.252805][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.253067][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.253305][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   87.253547][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.253807][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.254041][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.254204][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.254369][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.254536][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.254707][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.254923][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.255092][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.255257][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.255421][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.255595][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.255760][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.255949][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.256122][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.256285][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.256454][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.256630][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.256795][   T12]  kthread (kernel/kthread.c:436)
[   87.256979][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.257173][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.257342][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.257513][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.257711][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.257889][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.258062][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.261233][   T12] ------------[ cut here ]------------
| [   87.261437][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.261769][   T12] Modules linked in:
| [   87.262338][   T12] Tainted: [W]=WARN
[   87.262524][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.262764][   T12] Workqueue: netns cleanup_net
[   87.263003][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.263253][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.263778][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   87.264052][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4ae40 RCX: 1ff4000000018ed5
[   87.264319][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4aefc
[   87.264593][   T12] RBP: ff11000006004000 R08: 1fe2200001f895e1 R09: ff11000001aed1d0
[   87.264860][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.265195][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.265463][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.265802][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.266061][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.266340][   T12] PKRU: 55555554
[   87.266524][   T12] Call Trace:
[   87.266705][   T12]  <TASK>
[   87.266860][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.267169][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.267410][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   87.267675][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.267953][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.268161][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.268325][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.268496][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.268672][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.268841][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.269030][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.269228][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.269394][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.269564][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.269764][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.269949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.270119][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.270291][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.270456][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.270633][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.270805][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.270989][   T12]  kthread (kernel/kthread.c:436)
[   87.271129][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.271324][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.271491][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.271662][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.271857][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.272046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.272219][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.275067][   T12] ------------[ cut here ]------------
| [   87.275230][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   87.275511][   T12] Modules linked in:
| [   87.276090][   T12] Tainted: [W]=WARN
[   87.276270][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.276515][   T12] Workqueue: netns cleanup_net
[   87.276737][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.277018][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.277540][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   87.277781][   T12] RAX: 00000000ffffffa6 RBX: ff11000010912580 RCX: 1ff4000000018ed5
[   87.278075][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001091263c
[   87.278344][   T12] RBP: ff11000005821000 R08: 1fe22000021224c9 R09: ff11000001aed1d0
[   87.278619][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.278901][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   87.279182][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.279483][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.279757][   T12] CR2: 00007f2be0f72574 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[   87.280051][   T12] PKRU: 55555554
[   87.280229][   T12] Call Trace:
[   87.280406][   T12]  <TASK>
[   87.280568][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   87.280811][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   87.281075][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   87.281288][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.281501][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   87.281721][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   87.281959][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   87.282173][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   87.282384][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   87.282603][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   87.282812][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.283049][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   87.283304][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   87.283503][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   87.283678][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.283843][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.284033][   T12]  process_one_work (kernel/workqueue.c:3314)
[   87.284205][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   87.284371][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.284542][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   87.284714][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   87.284930][   T12]  kthread (kernel/kthread.c:436)
[   87.285070][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.285267][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.285434][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   87.285641][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   87.285835][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   87.286021][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   87.286188][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   87.405920][ T1537] ------------[ cut here ]------------
| [   87.406108][ T1537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1537
| [   87.406415][ T1537] Modules linked in:
| [   87.406893][ T1537] Tainted: [W]=WARN
[   87.407045][ T1537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.407253][ T1537] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.407467][ T1537] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.407995][ T1537] RSP: 0018:ffa0000004647a80 EFLAGS: 00010286
[   87.408210][ T1537] RAX: 00000000ffffffa6 RBX: ff1100000dc27000 RCX: 1ff40000008c8f16
[   87.408449][ T1537] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc270bc
[   87.408696][ T1537] RBP: ff11000006001000 R08: 1fe2200001b84e19 R09: ff110000102ed180
[   87.408955][ T1537] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.409194][ T1537] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006001000
[   87.409434][ T1537] FS:  00007f48a6efc840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.409714][ T1537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.409942][ T1537] CR2: 00007f48a70fdc20 CR3: 00000000129f3001 CR4: 0000000000771ef0
[   87.410183][ T1537] PKRU: 55555554
[   87.410326][ T1537] Call Trace:
[   87.410469][ T1537]  <TASK>
[   87.410590][ T1537]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.410767][ T1537]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.410969][ T1537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.411121][ T1537]  register_netdevice (net/core/dev.c:11488)
[   87.411302][ T1537]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.411515][ T1537]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   87.411698][ T1537]  register_netdev (net/core/dev.c:11552)
[   87.411888][ T1537]  loopback_net_init (drivers/net/loopback.c:218)
[   87.412073][ T1537]  ops_init (net/core/net_namespace.c:137)
[   87.412220][ T1537]  setup_net (net/core/net_namespace.c:446)
[   87.412366][ T1537]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.412545][ T1537]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.412722][ T1537]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.412921][ T1537]  copy_net_ns (net/core/net_namespace.c:579)
[   87.413100][ T1537]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.413278][ T1537]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.413453][ T1537]  ksys_unshare (kernel/fork.c:3243)
[   87.413639][ T1537]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.413815][ T1537]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.414016][ T1537]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.414196][ T1537]  ? __ia32_sys_open (fs/open.c:1374)
[   87.414375][ T1537]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.414555][ T1537]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.414731][ T1537]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.414924][ T1537]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.415101][ T1537]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.415278][ T1537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.415486][ T1537] RIP: 0033:0x7f48a71bebcb
[   87.415673][ T1537] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.416199][ T1537] RSP: 002b:00007ffcdc591698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   87.416438][ T1537] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f48a71bebcb
[   87.416685][ T1537] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.416941][ T1537] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.417178][ T1537] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdc5938c0
[   87.417416][ T1537] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdc594847
| [   87.422044][ T1537] ------------[ cut here ]------------
| [   87.422217][ T1537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1537
| [   87.422519][ T1537] Modules linked in:
| [   87.422992][ T1537] Tainted: [W]=WARN
[   87.423135][ T1537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.423341][ T1537] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.423559][ T1537] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.424081][ T1537] RSP: 0018:ffa0000004647918 EFLAGS: 00010286
[   87.424290][ T1537] RAX: 00000000ffffffa6 RBX: ff1100000d6378c0 RCX: 1ff40000008c8ee9
[   87.424530][ T1537] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63797c
[   87.424771][ T1537] RBP: ff11000008c19000 R08: 1fe2200001ac6f31 R09: ff110000102ed180
[   87.425023][ T1537] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.425261][ T1537] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c19000
[   87.425500][ T1537] FS:  00007f48a6efc840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.425781][ T1537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.426008][ T1537] CR2: 00007f48a70fdc20 CR3: 00000000129f3001 CR4: 0000000000771ef0
[   87.426246][ T1537] PKRU: 55555554
[   87.426388][ T1537] Call Trace:
[   87.426532][ T1537]  <TASK>
[   87.426646][ T1537]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.426821][ T1537]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.427021][ T1537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.427166][ T1537]  register_netdevice (net/core/dev.c:11488)
[   87.427343][ T1537]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.427557][ T1537]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   87.427735][ T1537]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   87.427931][ T1537]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   87.428105][ T1537]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   87.428287][ T1537]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   87.428462][ T1537]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   87.428650][ T1537]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   87.428828][ T1537]  ops_init (net/core/net_namespace.c:137)
[   87.428994][ T1537]  setup_net (net/core/net_namespace.c:446)
[   87.429138][ T1537]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.429310][ T1537]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.429485][ T1537]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.429671][ T1537]  copy_net_ns (net/core/net_namespace.c:579)
[   87.429850][ T1537]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.430050][ T1537]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.430230][ T1537]  ksys_unshare (kernel/fork.c:3243)
[   87.430405][ T1537]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.430588][ T1537]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.430767][ T1537]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.430961][ T1537]  ? __ia32_sys_open (fs/open.c:1374)
[   87.431140][ T1537]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.431313][ T1537]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.431488][ T1537]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.431669][ T1537]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.431844][ T1537]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.432043][ T1537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.432254][ T1537] RIP: 0033:0x7f48a71bebcb
[   87.432434][ T1537] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.432956][ T1537] RSP: 002b:00007ffcdc591698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   87.433196][ T1537] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f48a71bebcb
[   87.433437][ T1537] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.433681][ T1537] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.433938][ T1537] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdc5938c0
[   87.434178][ T1537] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdc594847
| [   87.438437][ T1537] ------------[ cut here ]------------
| [   87.438616][ T1537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1537
| [   87.439060][ T1537] Modules linked in:
| [   87.439517][ T1537] Tainted: [W]=WARN
[   87.439665][ T1537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.439885][ T1537] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.440110][ T1537] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.440626][ T1537] RSP: 0018:ffa00000046478f8 EFLAGS: 00010286
[   87.440836][ T1537] RAX: 00000000ffffffa6 RBX: ff1100000d472900 RCX: 1ff40000008c8ee5
[   87.441090][ T1537] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4729bc
[   87.441332][ T1537] RBP: ff1100000ff84000 R08: 1fe2200001a8e539 R09: ff110000102ed180
[   87.441580][ T1537] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.441819][ T1537] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff84000
[   87.442081][ T1537] FS:  00007f48a6efc840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.442358][ T1537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.442575][ T1537] CR2: 00007f48a70fdc20 CR3: 00000000129f3001 CR4: 0000000000771ef0
[   87.442815][ T1537] PKRU: 55555554
[   87.442980][ T1537] Call Trace:
[   87.443125][ T1537]  <TASK>
[   87.443240][ T1537]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.443418][ T1537]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.443607][ T1537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.443755][ T1537]  register_netdevice (net/core/dev.c:11488)
[   87.443957][ T1537]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.444168][ T1537]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   87.444347][ T1537]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   87.444529][ T1537]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   87.444708][ T1537]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   87.444902][ T1537]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   87.445089][ T1537]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   87.445269][ T1537]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   87.445448][ T1537]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.445635][ T1537]  vti_init_net (net/ipv4/ip_vti.c:517)
[   87.445812][ T1537]  ops_init (net/core/net_namespace.c:137)
[   87.445982][ T1537]  setup_net (net/core/net_namespace.c:446)
[   87.446129][ T1537]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.446307][ T1537]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.446485][ T1537]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.446670][ T1537]  copy_net_ns (net/core/net_namespace.c:579)
[   87.446850][ T1537]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.447050][ T1537]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.447229][ T1537]  ksys_unshare (kernel/fork.c:3243)
[   87.447406][ T1537]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.447594][ T1537]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.447772][ T1537]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.447973][ T1537]  ? __ia32_sys_open (fs/open.c:1374)
[   87.448152][ T1537]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.448330][ T1537]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.448508][ T1537]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.448690][ T1537]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.448881][ T1537]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.449070][ T1537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.449279][ T1537] RIP: 0033:0x7f48a71bebcb
[   87.449460][ T1537] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.449994][ T1537] RSP: 002b:00007ffcdc591698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   87.450242][ T1537] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f48a71bebcb
[   87.450482][ T1537] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.450726][ T1537] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.450988][ T1537] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdc5938c0
[   87.451230][ T1537] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdc594847
| [   87.455759][ T1537] ------------[ cut here ]------------
| [   87.455950][ T1537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1537
| [   87.456250][ T1537] Modules linked in:
| [   87.456709][ T1537] Tainted: [W]=WARN
[   87.456852][ T1537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.457085][ T1537] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.457301][ T1537] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.457808][ T1537] RSP: 0018:ffa0000004647a78 EFLAGS: 00010286
[   87.458041][ T1537] RAX: 00000000ffffffa6 RBX: ff1100000dc26e40 RCX: 1ff40000008c8f15
[   87.458283][ T1537] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc26efc
[   87.458523][ T1537] RBP: ff11000009274000 R08: 1fe2200001b84de1 R09: ff110000102ed180
[   87.458764][ T1537] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   87.459022][ T1537] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009274000
[   87.459263][ T1537] FS:  00007f48a6efc840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.459538][ T1537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.459745][ T1537] CR2: 00007f48a70fdc20 CR3: 00000000129f3001 CR4: 0000000000771ef0
[   87.460010][ T1537] PKRU: 55555554
[   87.460156][ T1537] Call Trace:
[   87.460300][ T1537]  <TASK>
[   87.460412][ T1537]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.460596][ T1537]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.460773][ T1537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.460939][ T1537]  register_netdevice (net/core/dev.c:11488)
[   87.461116][ T1537]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.461321][ T1537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.461504][ T1537]  register_netdev (net/core/dev.c:11552)
[   87.461686][ T1537]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   87.461878][ T1537]  ops_init (net/core/net_namespace.c:137)
[   87.462033][ T1537]  setup_net (net/core/net_namespace.c:446)
[   87.462178][ T1537]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.462352][ T1537]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.462532][ T1537]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.462715][ T1537]  copy_net_ns (net/core/net_namespace.c:579)
[   87.462914][ T1537]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.463094][ T1537]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.463272][ T1537]  ksys_unshare (kernel/fork.c:3243)
[   87.463448][ T1537]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.463630][ T1537]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.463806][ T1537]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.464010][ T1537]  ? __ia32_sys_open (fs/open.c:1374)
[   87.464190][ T1537]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.464364][ T1537]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.464543][ T1537]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.464721][ T1537]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.464915][ T1537]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.465094][ T1537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.465299][ T1537] RIP: 0033:0x7f48a71bebcb
[   87.465482][ T1537] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.466009][ T1537] RSP: 002b:00007ffcdc591698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   87.466248][ T1537] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f48a71bebcb
[   87.466487][ T1537] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.466730][ T1537] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.466989][ T1537] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdc5938c0
[   87.467226][ T1537] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdc594847
| [   87.478281][ T1537] ------------[ cut here ]------------
| [   87.478426][ T1537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1537
| [   87.478686][ T1537] Modules linked in:
| [   87.479066][ T1537] Tainted: [W]=WARN
[   87.479162][ T1537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.479322][ T1537] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.479489][ T1537] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.479953][ T1537] RSP: 0018:ffa0000004647a68 EFLAGS: 00010286
[   87.480113][ T1537] RAX: 00000000ffffffa6 RBX: ff110000126beac0 RCX: 1ff40000008c8f13
[   87.480304][ T1537] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126beb7c
[   87.480495][ T1537] RBP: ff11000010719000 R08: 1fe22000024d7d71 R09: ff110000102ed180
[   87.480690][ T1537] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   87.480883][ T1537] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010719000
[   87.481080][ T1537] FS:  00007f48a6efc840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   87.481310][ T1537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.481470][ T1537] CR2: 00007fef0c2c3574 CR3: 00000000129f3003 CR4: 0000000000771ef0
[   87.481666][ T1537] PKRU: 55555554
[   87.481762][ T1537] Call Trace:
[   87.481857][ T1537]  <TASK>
[   87.481936][ T1537]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.482066][ T1537]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.482194][ T1537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.482292][ T1537]  register_netdevice (net/core/dev.c:11488)
[   87.482422][ T1537]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.482585][ T1537]  register_netdev (net/core/dev.c:11552)
[   87.482712][ T1537]  sit_init_net (net/ipv6/sit.c:1860)
[   87.482841][ T1537]  ops_init (net/core/net_namespace.c:137)
[   87.482949][ T1537]  setup_net (net/core/net_namespace.c:446)
[   87.483046][ T1537]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.483173][ T1537]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.483301][ T1537]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.483431][ T1537]  copy_net_ns (net/core/net_namespace.c:579)
[   87.483564][ T1537]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.483695][ T1537]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.483823][ T1537]  ksys_unshare (kernel/fork.c:3243)
[   87.483964][ T1537]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.484093][ T1537]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.484220][ T1537]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.484349][ T1537]  ? __ia32_sys_open (fs/open.c:1374)
[   87.484479][ T1537]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.484610][ T1537]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.484738][ T1537]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.484870][ T1537]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.485006][ T1537]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.485133][ T1537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.485291][ T1537] RIP: 0033:0x7f48a71bebcb
[   87.485425][ T1537] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.485888][ T1537] RSP: 002b:00007ffcdc591698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   87.486088][ T1537] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f48a71bebcb
[   87.486279][ T1537] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.486469][ T1537] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.486665][ T1537] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdc5938c0
[   87.486853][ T1537] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdc594847
| [   87.497559][ T1537] ------------[ cut here ]------------
| [   87.497697][ T1537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1537
| [   87.498440][ T1537] Modules linked in:
| [   87.498801][ T1537] Tainted: [W]=WARN
[   87.498960][ T1537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.499122][ T1537] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.499287][ T1537] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.499744][ T1537] RSP: 0018:ffa0000004647a78 EFLAGS: 00010286
[   87.499964][ T1537] RAX: 00000000ffffffa6 RBX: ff11000010abbc40 RCX: 1ff40000008c8f15
[   87.500157][ T1537] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abbcfc
[   87.500347][ T1537] RBP: ff110000124ec000 R08: 1fe22000021577a1 R09: ff110000102ed180
[   87.500595][ T1537] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   87.500786][ T1537] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124ec000
[   87.501037][ T1537] FS:  00007f48a6efc840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   87.501261][ T1537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.501422][ T1537] CR2: 00007fef0c2c3574 CR3: 00000000129f3003 CR4: 0000000000771ef0
[   87.501616][ T1537] PKRU: 55555554
[   87.501711][ T1537] Call Trace:
[   87.501806][ T1537]  <TASK>
[   87.501931][ T1537]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.502060][ T1537]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.502188][ T1537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.502286][ T1537]  register_netdevice (net/core/dev.c:11488)
[   87.502414][ T1537]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.502576][ T1537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.502706][ T1537]  register_netdev (net/core/dev.c:11552)
[   87.502834][ T1537]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   87.503025][ T1537]  ops_init (net/core/net_namespace.c:137)
[   87.503122][ T1537]  setup_net (net/core/net_namespace.c:446)
[   87.503219][ T1537]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.503347][ T1537]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.503476][ T1537]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.503611][ T1537]  copy_net_ns (net/core/net_namespace.c:579)
[   87.503740][ T1537]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.503929][ T1537]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.504059][ T1537]  ksys_unshare (kernel/fork.c:3243)
[   87.504187][ T1537]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.504317][ T1537]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.504446][ T1537]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.504578][ T1537]  ? __ia32_sys_open (fs/open.c:1374)
[   87.504707][ T1537]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.504836][ T1537]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.505023][ T1537]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.505152][ T1537]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.505280][ T1537]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.505408][ T1537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.505571][ T1537] RIP: 0033:0x7f48a71bebcb
[   87.505704][ T1537] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.506228][ T1537] RSP: 002b:00007ffcdc591698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   87.506423][ T1537] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f48a71bebcb
[   87.506618][ T1537] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.506808][ T1537] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.507063][ T1537] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdc5938c0
[   87.507253][ T1537] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdc594847
| [   87.536793][ T1538] ------------[ cut here ]------------
| [   87.537066][ T1538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1538
| [   87.537323][ T1538] Modules linked in:
| [   87.537685][ T1538] Tainted: [W]=WARN
[   87.537780][ T1538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.537950][ T1538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.538117][ T1538] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.538578][ T1538] RSP: 0018:ffa0000004647020 EFLAGS: 00010286
[   87.538738][ T1538] RAX: 00000000ffffffa6 RBX: ff1100000ee518c0 RCX: 1ff40000008c8dca
[   87.538940][ T1538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5197c
[   87.539129][ T1538] RBP: ff11000006001000 R08: 1fe2200001dca331 R09: ff110000102eae58
[   87.539318][ T1538] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   87.539510][ T1538] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   87.539700][ T1538] FS:  00007fb989cfd840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   87.539934][ T1538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.540095][ T1538] CR2: 0000000027121988 CR3: 000000000ecde005 CR4: 0000000000771ef0
[   87.540287][ T1538] PKRU: 55555554
[   87.540384][ T1538] Call Trace:
[   87.540478][ T1538]  <TASK>
[   87.540548][ T1538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.540678][ T1538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.540774][ T1538]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   87.540911][ T1538]  __dev_notify_flags (net/core/dev.c:9787)
[   87.541042][ T1538]  ? netif_change_name (net/core/dev.c:1495)
[   87.541169][ T1538]  ? __dev_change_flags (net/core/dev.c:9752)
[   87.541298][ T1538]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   87.541425][ T1538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.541553][ T1538]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   87.541684][ T1538]  netif_change_flags (net/core/dev.c:9820)
[   87.541813][ T1538]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   87.541947][ T1538]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   87.542077][ T1538]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   87.542207][ T1538]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   87.542365][ T1538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.542493][ T1538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   87.542624][ T1538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   87.542751][ T1538]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   87.542887][ T1538]  ? __kernel_text_address (kernel/extable.c:79)
[   87.543021][ T1538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   87.543149][ T1538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.543275][ T1538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   87.543402][ T1538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.543532][ T1538]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.543658][ T1538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.543784][ T1538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.543920][ T1538]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   87.544050][ T1538]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   87.544177][ T1538]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   87.544305][ T1538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   87.544433][ T1538]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   87.544566][ T1538]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   87.544697][ T1538]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   87.544825][ T1538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.544966][ T1538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   87.545093][ T1538]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   87.545221][ T1538]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   87.545347][ T1538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.545476][ T1538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.545605][ T1538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   87.545732][ T1538]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   87.545858][ T1538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.545997][ T1538]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   87.546126][ T1538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   87.546253][ T1538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   87.546382][ T1538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.546512][ T1538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   87.546642][ T1538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.546769][ T1538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   87.546903][ T1538]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   87.547038][ T1538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.547165][ T1538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.547297][ T1538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   87.547424][ T1538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   87.547554][ T1538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.547682][ T1538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.547811][ T1538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   87.547951][ T1538]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   87.548081][ T1538]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   87.548211][ T1538]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   87.548342][ T1538]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   87.548471][ T1538]  ? copy_msghdr_from_user (net/socket.c:2635)
[   87.548604][ T1538]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   87.548760][ T1538]  ? move_addr_to_kernel (net/socket.c:258)
[   87.548895][ T1538]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   87.549028][ T1538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   87.549156][ T1538]  ___sys_sendmsg (net/socket.c:2752)
[   87.549282][ T1538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   87.549439][ T1538]  ? copy_msghdr_from_user (net/socket.c:2603)
[   87.549584][ T1538]  __sys_sendmsg (net/socket.c:2784)
[   87.549711][ T1538]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   87.549837][ T1538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   87.550015][ T1538]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   87.550143][ T1538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.550271][ T1538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.550398][ T1538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.550531][ T1538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.550658][ T1538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.550815][ T1538] RIP: 0033:0x7fb989f3708e
[   87.550958][ T1538] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   87.551411][ T1538] RSP: 002b:00007ffee4584590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.551604][ T1538] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb989f3708e
[   87.551793][ T1538] RDX: 0000000000000000 RSI: 00007ffee4584640 RDI: 0000000000000005
[   87.551996][ T1538] RBP: 00007ffee45845a0 R08: 0000000000000000 R09: 0000000000000000
[   87.552185][ T1538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd43
[   87.552375][ T1538] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee4584d10
| [   87.745537][ T1546] ------------[ cut here ]------------
| [   87.745691][ T1546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1546
| [   87.745966][ T1546] Modules linked in:
| [   87.746332][ T1546] Tainted: [W]=WARN
[   87.746431][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.746596][ T1546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.746769][ T1546] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.747244][ T1546] RSP: 0018:ffa0000004697a80 EFLAGS: 00010286
[   87.747409][ T1546] RAX: 00000000ffffffa6 RBX: ff1100000d6d6c80 RCX: 1ff40000008d2f16
[   87.747606][ T1546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6d3c
[   87.747801][ T1546] RBP: ff1100000a874000 R08: 1fe2200001adada9 R09: ff1100001088ae80
[   87.748005][ T1546] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   87.748199][ T1546] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a874000
[   87.748393][ T1546] FS:  00007f04c85e6840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.748621][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.748783][ T1546] CR2: 00007f04c895f493 CR3: 00000000129e5005 CR4: 0000000000771ef0
[   87.748988][ T1546] PKRU: 55555554
[   87.749086][ T1546] Call Trace:
[   87.749184][ T1546]  <TASK>
[   87.749251][ T1546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.749383][ T1546]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.749516][ T1546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.749615][ T1546]  register_netdevice (net/core/dev.c:11488)
[   87.749747][ T1546]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.749919][ T1546]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   87.750052][ T1546]  register_netdev (net/core/dev.c:11552)
[   87.750184][ T1546]  loopback_net_init (drivers/net/loopback.c:218)
[   87.750316][ T1546]  ops_init (net/core/net_namespace.c:137)
[   87.750416][ T1546]  setup_net (net/core/net_namespace.c:446)
[   87.750517][ T1546]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.750645][ T1546]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.750775][ T1546]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.750921][ T1546]  copy_net_ns (net/core/net_namespace.c:579)
[   87.751053][ T1546]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.751185][ T1546]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.751315][ T1546]  ksys_unshare (kernel/fork.c:3243)
[   87.751444][ T1546]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.751578][ T1546]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.751708][ T1546]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.751839][ T1546]  ? __ia32_sys_open (fs/open.c:1374)
[   87.751981][ T1546]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.752109][ T1546]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.752236][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.752365][ T1546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.752494][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.752627][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.752787][ T1546] RIP: 0033:0x7f04c88a8bcb
[   87.752933][ T1546] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.753391][ T1546] RSP: 002b:00007ffcc1539e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   87.753584][ T1546] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04c88a8bcb
[   87.753775][ T1546] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.753978][ T1546] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.754170][ T1546] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc153c0b0
[   87.754360][ T1546] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc153c847
| [   87.758513][ T1546] ------------[ cut here ]------------
| [   87.758648][ T1546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1546
| [   87.758912][ T1546] Modules linked in:
| [   87.759268][ T1546] Tainted: [W]=WARN
[   87.759364][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.759526][ T1546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.759690][ T1546] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.760153][ T1546] RSP: 0018:ffa0000004697918 EFLAGS: 00010286
[   87.760313][ T1546] RAX: 00000000ffffffa6 RBX: ff1100000b962580 RCX: 1ff40000008d2ee9
[   87.760502][ T1546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96263c
[   87.760695][ T1546] RBP: ff1100000ff79000 R08: 1fe220000172c4c9 R09: ff1100001088ae80
[   87.760889][ T1546] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   87.761086][ T1546] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff79000
[   87.761276][ T1546] FS:  00007f04c85e6840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.761498][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.761661][ T1546] CR2: 00007f04c895f493 CR3: 00000000129e5005 CR4: 0000000000771ef0
[   87.761853][ T1546] PKRU: 55555554
[   87.761958][ T1546] Call Trace:
[   87.762054][ T1546]  <TASK>
[   87.762121][ T1546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.762249][ T1546]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.762376][ T1546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.762474][ T1546]  register_netdevice (net/core/dev.c:11488)
[   87.762609][ T1546]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.762768][ T1546]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   87.762909][ T1546]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   87.763039][ T1546]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   87.763167][ T1546]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   87.763296][ T1546]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   87.763424][ T1546]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   87.763559][ T1546]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   87.763689][ T1546]  ops_init (net/core/net_namespace.c:137)
[   87.763788][ T1546]  setup_net (net/core/net_namespace.c:446)
[   87.763892][ T1546]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.764029][ T1546]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.764159][ T1546]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.764290][ T1546]  copy_net_ns (net/core/net_namespace.c:579)
[   87.764421][ T1546]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.764554][ T1546]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.764683][ T1546]  ksys_unshare (kernel/fork.c:3243)
[   87.764813][ T1546]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.764957][ T1546]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.765085][ T1546]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.765214][ T1546]  ? __ia32_sys_open (fs/open.c:1374)
[   87.765346][ T1546]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.765474][ T1546]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.765604][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.765733][ T1546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.765860][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.766002][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.766162][ T1546] RIP: 0033:0x7f04c88a8bcb
[   87.766295][ T1546] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.766753][ T1546] RSP: 002b:00007ffcc1539e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   87.766962][ T1546] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04c88a8bcb
[   87.767154][ T1546] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.767344][ T1546] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.767539][ T1546] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc153c0b0
[   87.767731][ T1546] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc153c847
| [   87.771501][ T1546] ------------[ cut here ]------------
| [   87.771639][ T1546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1546
| [   87.771902][ T1546] Modules linked in:
| [   87.772269][ T1546] Tainted: [W]=WARN
[   87.772368][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.772536][ T1546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.772705][ T1546] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.773182][ T1546] RSP: 0018:ffa00000046978f8 EFLAGS: 00010286
[   87.773345][ T1546] RAX: 00000000ffffffa6 RBX: ff1100000f1b6c80 RCX: 1ff40000008d2ee5
[   87.773544][ T1546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b6d3c
[   87.773736][ T1546] RBP: ff1100001067c000 R08: 1fe2200001e36da9 R09: ff1100001088ae80
[   87.773939][ T1546] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   87.774134][ T1546] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001067c000
[   87.774329][ T1546] FS:  00007f04c85e6840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.774558][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.774721][ T1546] CR2: 00007f04c895f493 CR3: 00000000129e5005 CR4: 0000000000771ef0
[   87.774928][ T1546] PKRU: 55555554
[   87.775025][ T1546] Call Trace:
[   87.775123][ T1546]  <TASK>
[   87.775189][ T1546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.775319][ T1546]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.775450][ T1546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.775553][ T1546]  register_netdevice (net/core/dev.c:11488)
[   87.775685][ T1546]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.775846][ T1546]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   87.775987][ T1546]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   87.776118][ T1546]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   87.776248][ T1546]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   87.776380][ T1546]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   87.776515][ T1546]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   87.776647][ T1546]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   87.776778][ T1546]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.776920][ T1546]  vti_init_net (net/ipv4/ip_vti.c:517)
[   87.777052][ T1546]  ops_init (net/core/net_namespace.c:137)
[   87.777153][ T1546]  setup_net (net/core/net_namespace.c:446)
[   87.777252][ T1546]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.777382][ T1546]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.777517][ T1546]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.777650][ T1546]  copy_net_ns (net/core/net_namespace.c:579)
[   87.777783][ T1546]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.777926][ T1546]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.778058][ T1546]  ksys_unshare (kernel/fork.c:3243)
[   87.778189][ T1546]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.778320][ T1546]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.778452][ T1546]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.778584][ T1546]  ? __ia32_sys_open (fs/open.c:1374)
[   87.778716][ T1546]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.778845][ T1546]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.778985][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.779116][ T1546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.779246][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.779376][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.779539][ T1546] RIP: 0033:0x7f04c88a8bcb
[   87.779675][ T1546] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.780147][ T1546] RSP: 002b:00007ffcc1539e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   87.780344][ T1546] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04c88a8bcb
[   87.780542][ T1546] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.780735][ T1546] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.780940][ T1546] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc153c0b0
[   87.781134][ T1546] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc153c847
| [   87.785168][ T1546] ------------[ cut here ]------------
| [   87.785306][ T1546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1546
| [   87.785567][ T1546] Modules linked in:
| [   87.786092][ T1546] Tainted: [W]=WARN
[   87.786190][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.786352][ T1546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.786521][ T1546] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.786987][ T1546] RSP: 0018:ffa0000004697a78 EFLAGS: 00010286
[   87.787150][ T1546] RAX: 00000000ffffffa6 RBX: ff1100000f1b7000 RCX: 1ff40000008d2f15
[   87.787343][ T1546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b70bc
[   87.787540][ T1546] RBP: ff11000008eec000 R08: 1fe2200001e36e19 R09: ff1100001088ae80
[   87.787733][ T1546] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   87.787937][ T1546] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008eec000
[   87.788131][ T1546] FS:  00007f04c85e6840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.788358][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.788522][ T1546] CR2: 00007f04c895f493 CR3: 00000000129e5005 CR4: 0000000000771ef0
[   87.788718][ T1546] PKRU: 55555554
[   87.788815][ T1546] Call Trace:
[   87.788920][ T1546]  <TASK>
[   87.788989][ T1546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.789119][ T1546]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.789251][ T1546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.789349][ T1546]  register_netdevice (net/core/dev.c:11488)
[   87.789479][ T1546]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.789642][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.789773][ T1546]  register_netdev (net/core/dev.c:11552)
[   87.789911][ T1546]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   87.790044][ T1546]  ops_init (net/core/net_namespace.c:137)
[   87.790145][ T1546]  setup_net (net/core/net_namespace.c:446)
[   87.790243][ T1546]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.790371][ T1546]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.790500][ T1546]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.790635][ T1546]  copy_net_ns (net/core/net_namespace.c:579)
[   87.790767][ T1546]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.790904][ T1546]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.791040][ T1546]  ksys_unshare (kernel/fork.c:3243)
[   87.791169][ T1546]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.791299][ T1546]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.791429][ T1546]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.791564][ T1546]  ? __ia32_sys_open (fs/open.c:1374)
[   87.791695][ T1546]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.791823][ T1546]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.791973][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.792103][ T1546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.792231][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.792361][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.792523][ T1546] RIP: 0033:0x7f04c88a8bcb
[   87.792658][ T1546] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.793134][ T1546] RSP: 002b:00007ffcc1539e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   87.793418][ T1546] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04c88a8bcb
[   87.793612][ T1546] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.793803][ T1546] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.794006][ T1546] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc153c0b0
[   87.794201][ T1546] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc153c847
| [   87.798636][ T1546] ------------[ cut here ]------------
| [   87.798853][ T1546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1546
| [   87.799606][ T1546] Modules linked in:
| [   87.800031][ T1546] Tainted: [W]=WARN
[   87.800129][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.800290][ T1546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.800456][ T1546] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.800979][ T1546] RSP: 0018:ffa0000004697a68 EFLAGS: 00010286
[   87.801144][ T1546] RAX: 00000000ffffffa6 RBX: ff11000008dc6e40 RCX: 1ff40000008d2f13
[   87.801389][ T1546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc6efc
[   87.801582][ T1546] RBP: ff110000094d9000 R08: 1fe22000011b8de1 R09: ff1100001088ae80
[   87.801775][ T1546] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   87.802030][ T1546] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094d9000
[   87.802222][ T1546] FS:  00007f04c85e6840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   87.802447][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.802612][ T1546] CR2: 00007f04c895f493 CR3: 00000000129e5005 CR4: 0000000000771ef0
[   87.802807][ T1546] PKRU: 55555554
[   87.802965][ T1546] Call Trace:
[   87.803064][ T1546]  <TASK>
[   87.803131][ T1546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.803259][ T1546]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.803387][ T1546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.803487][ T1546]  register_netdevice (net/core/dev.c:11488)
[   87.803619][ T1546]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.803784][ T1546]  register_netdev (net/core/dev.c:11552)
[   87.803971][ T1546]  sit_init_net (net/ipv6/sit.c:1860)
[   87.804100][ T1546]  ops_init (net/core/net_namespace.c:137)
[   87.804198][ T1546]  setup_net (net/core/net_namespace.c:446)
[   87.804296][ T1546]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.804424][ T1546]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.804556][ T1546]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.804688][ T1546]  copy_net_ns (net/core/net_namespace.c:579)
[   87.804817][ T1546]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.805006][ T1546]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.805136][ T1546]  ksys_unshare (kernel/fork.c:3243)
[   87.805264][ T1546]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.805393][ T1546]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.805524][ T1546]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.805657][ T1546]  ? __ia32_sys_open (fs/open.c:1374)
[   87.805933][ T1546]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.806061][ T1546]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.806190][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.806319][ T1546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.806447][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.806581][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.806824][ T1546] RIP: 0033:0x7f04c88a8bcb
[   87.807024][ T1546] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.807483][ T1546] RSP: 002b:00007ffcc1539e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   87.807678][ T1546] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04c88a8bcb
[   87.808021][ T1546] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.808215][ T1546] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.808405][ T1546] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc153c0b0
[   87.808600][ T1546] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc153c847
| [   87.813701][ T1546] ------------[ cut here ]------------
| [   87.813845][ T1546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1546
| [   87.814118][ T1546] Modules linked in:
| [   87.814481][ T1546] Tainted: [W]=WARN
[   87.814582][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.814743][ T1546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.814918][ T1546] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.815383][ T1546] RSP: 0018:ffa0000004697a78 EFLAGS: 00010286
[   87.815551][ T1546] RAX: 00000000ffffffa6 RBX: ff110000126bf380 RCX: 1ff40000008d2f15
[   87.815744][ T1546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf43c
[   87.815951][ T1546] RBP: ff11000012744000 R08: 1fe22000024d7e89 R09: ff1100001088ae80
[   87.816144][ T1546] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   87.816336][ T1546] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012744000
[   87.816536][ T1546] FS:  00007f04c85e6840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   87.816765][ T1546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.816940][ T1546] CR2: 00007fef0c2c3574 CR3: 00000000129e5004 CR4: 0000000000771ef0
[   87.817137][ T1546] PKRU: 55555554
[   87.817234][ T1546] Call Trace:
[   87.817330][ T1546]  <TASK>
[   87.817397][ T1546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.817531][ T1546]  ? notifier_call_chain (kernel/notifier.c:85)
[   87.817663][ T1546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.817761][ T1546]  register_netdevice (net/core/dev.c:11488)
[   87.817900][ T1546]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   87.818064][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.818196][ T1546]  register_netdev (net/core/dev.c:11552)
[   87.818325][ T1546]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   87.818454][ T1546]  ops_init (net/core/net_namespace.c:137)
[   87.818556][ T1546]  setup_net (net/core/net_namespace.c:446)
[   87.818655][ T1546]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   87.818784][ T1546]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   87.818924][ T1546]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   87.819054][ T1546]  copy_net_ns (net/core/net_namespace.c:579)
[   87.819184][ T1546]  create_new_namespaces (kernel/nsproxy.c:132)
[   87.819315][ T1546]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   87.819446][ T1546]  ksys_unshare (kernel/fork.c:3243)
[   87.819579][ T1546]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   87.819708][ T1546]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   87.819837][ T1546]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   87.819978][ T1546]  ? __ia32_sys_open (fs/open.c:1374)
[   87.820109][ T1546]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   87.820236][ T1546]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   87.820364][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.820493][ T1546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.820625][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.820753][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.820921][ T1546] RIP: 0033:0x7f04c88a8bcb
[   87.821056][ T1546] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   87.821518][ T1546] RSP: 002b:00007ffcc1539e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   87.821713][ T1546] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f04c88a8bcb
[   87.821915][ T1546] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   87.822107][ T1546] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   87.822299][ T1546] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc153c0b0
[   87.822490][ T1546] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc153c847
| [   87.861412][ T1547] ------------[ cut here ]------------
| [   87.861596][ T1547] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1547
| [   87.861912][ T1547] Modules linked in:
| [   87.862361][ T1547] Tainted: [W]=WARN
[   87.862503][ T1547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.862716][ T1547] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   87.863290][ T1547] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   87.863804][ T1547] RSP: 0018:ffa00000046a7020 EFLAGS: 00010286
[   87.864036][ T1547] RAX: 00000000ffffffa6 RBX: ff1100000efa0c80 RCX: 1ff40000008d4dca
[   87.864276][ T1547] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa0d3c
[   87.864515][ T1547] RBP: ff1100000a874000 R08: 1fe2200001df41a9 R09: ff11000008db0b58
[   87.864758][ T1547] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   87.865018][ T1547] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   87.865258][ T1547] FS:  00007fe0c266a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   87.865531][ T1547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.865740][ T1547] CR2: 000000002e735988 CR3: 0000000009447004 CR4: 0000000000771ef0
[   87.865999][ T1547] PKRU: 55555554
[   87.866140][ T1547] Call Trace:
[   87.866281][ T1547]  <TASK>
[   87.866393][ T1547]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   87.866580][ T1547]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   87.866725][ T1547]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   87.866917][ T1547]  __dev_notify_flags (net/core/dev.c:9787)
[   87.867097][ T1547]  ? netif_change_name (net/core/dev.c:1495)
[   87.867271][ T1547]  ? __dev_change_flags (net/core/dev.c:9752)
[   87.867446][ T1547]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   87.867626][ T1547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.867802][ T1547]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   87.867997][ T1547]  netif_change_flags (net/core/dev.c:9820)
[   87.868174][ T1547]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   87.868350][ T1547]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   87.868532][ T1547]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   87.868709][ T1547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   87.868938][ T1547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.869115][ T1547]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   87.869292][ T1547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   87.869468][ T1547]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   87.869653][ T1547]  ? __kernel_text_address (kernel/extable.c:79)
[   87.869829][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   87.870026][ T1547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.870202][ T1547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   87.870378][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.870560][ T1547]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   87.870733][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.870925][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.871103][ T1547]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   87.871278][ T1547]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   87.871453][ T1547]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   87.871637][ T1547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   87.871815][ T1547]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   87.872016][ T1547]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   87.872198][ T1547]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   87.872375][ T1547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.872556][ T1547]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   87.872734][ T1547]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   87.872926][ T1547]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   87.873106][ T1547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.873285][ T1547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.873460][ T1547]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   87.873644][ T1547]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   87.873820][ T1547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   87.874018][ T1547]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   87.874195][ T1547]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   87.874373][ T1547]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   87.874556][ T1547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.874733][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   87.874928][ T1547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   87.875103][ T1547]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   87.875281][ T1547]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   87.875459][ T1547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.875645][ T1547]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.875825][ T1547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   87.876022][ T1547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   87.876202][ T1547]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.876381][ T1547]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.876564][ T1547]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   87.876744][ T1547]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   87.876942][ T1547]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   87.877121][ T1547]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   87.877300][ T1547]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   87.877478][ T1547]  ? copy_msghdr_from_user (net/socket.c:2635)
[   87.877658][ T1547]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   87.877864][ T1547]  ? move_addr_to_kernel (net/socket.c:258)
[   87.878063][ T1547]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   87.878238][ T1547]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   87.878415][ T1547]  ___sys_sendmsg (net/socket.c:2752)
[   87.878597][ T1547]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   87.878805][ T1547]  ? copy_msghdr_from_user (net/socket.c:2603)
[   87.879017][ T1547]  __sys_sendmsg (net/socket.c:2784)
[   87.879199][ T1547]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   87.879374][ T1547]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   87.879593][ T1547]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   87.879773][ T1547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   87.879971][ T1547]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   87.880150][ T1547]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   87.880326][ T1547]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   87.880501][ T1547]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.880715][ T1547] RIP: 0033:0x7fe0c28a408e
[   87.880916][ T1547] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   87.881416][ T1547] RSP: 002b:00007ffd61deaa50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.881663][ T1547] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe0c28a408e
[   87.881923][ T1547] RDX: 0000000000000000 RSI: 00007ffd61deab00 RDI: 0000000000000005
[   87.882164][ T1547] RBP: 00007ffd61deaa60 R08: 0000000000000000 R09: 0000000000000000
[   87.882400][ T1547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   87.882646][ T1547] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd61deb1d0
| [   88.072850][ T1555] ------------[ cut here ]------------
| [   88.073412][ T1555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1555
| [   88.073679][ T1555] Modules linked in:
| [   88.074058][ T1555] Tainted: [W]=WARN
[   88.074156][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.074319][ T1555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.074487][ T1555] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.074960][ T1555] RSP: 0018:ffa00000046f7a80 EFLAGS: 00010286
[   88.075123][ T1555] RAX: 00000000ffffffa6 RBX: ff1100000d52fa80 RCX: 1ff40000008def16
[   88.075315][ T1555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52fb3c
[   88.075510][ T1555] RBP: ff11000009691000 R08: 1fe2200001aa5f69 R09: ff1100000a902e80
[   88.075704][ T1555] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.075901][ T1555] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009691000
[   88.076101][ T1555] FS:  00007f38e56ea840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   88.076326][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.076488][ T1555] CR2: 00007f38e58ebc20 CR3: 000000000ff21002 CR4: 0000000000771ef0
[   88.076684][ T1555] PKRU: 55555554
[   88.076782][ T1555] Call Trace:
[   88.076883][ T1555]  <TASK>
[   88.076955][ T1555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.077086][ T1555]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.077215][ T1555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.077313][ T1555]  register_netdevice (net/core/dev.c:11488)
[   88.077445][ T1555]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   88.077610][ T1555]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   88.077740][ T1555]  register_netdev (net/core/dev.c:11552)
[   88.077873][ T1555]  loopback_net_init (drivers/net/loopback.c:218)
[   88.078007][ T1555]  ops_init (net/core/net_namespace.c:137)
[   88.078107][ T1555]  setup_net (net/core/net_namespace.c:446)
[   88.078204][ T1555]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   88.078334][ T1555]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   88.078463][ T1555]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   88.078598][ T1555]  copy_net_ns (net/core/net_namespace.c:579)
[   88.078728][ T1555]  create_new_namespaces (kernel/nsproxy.c:132)
[   88.078861][ T1555]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   88.079003][ T1555]  ksys_unshare (kernel/fork.c:3243)
[   88.079132][ T1555]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.079262][ T1555]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   88.079390][ T1555]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   88.079522][ T1555]  ? __ia32_sys_open (fs/open.c:1374)
[   88.079653][ T1555]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   88.079781][ T1555]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   88.079917][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.080045][ T1555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.080174][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.080304][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.080463][ T1555] RIP: 0033:0x7f38e59acbcb
[   88.080602][ T1555] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   88.081071][ T1555] RSP: 002b:00007ffc6d93c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   88.081266][ T1555] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38e59acbcb
[   88.081458][ T1555] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   88.081653][ T1555] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   88.081843][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6d93e230
[   88.082046][ T1555] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6d93e847
| [   88.086228][ T1555] ------------[ cut here ]------------
| [   88.086364][ T1555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1555
| [   88.086621][ T1555] Modules linked in:
| [   88.087110][ T1555] Tainted: [W]=WARN
[   88.087208][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.087370][ T1555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.087541][ T1555] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.088004][ T1555] RSP: 0018:ffa00000046f7918 EFLAGS: 00010286
[   88.088167][ T1555] RAX: 00000000ffffffa6 RBX: ff1100000a8cf8c0 RCX: 1ff40000008deee9
[   88.088359][ T1555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf97c
[   88.088551][ T1555] RBP: ff110000103ac000 R08: 1fe2200001519f31 R09: ff1100000a902e80
[   88.088741][ T1555] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.088942][ T1555] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000103ac000
[   88.089135][ T1555] FS:  00007f38e56ea840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   88.089358][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.089520][ T1555] CR2: 00007f38e58ebc20 CR3: 000000000ff21002 CR4: 0000000000771ef0
[   88.089713][ T1555] PKRU: 55555554
[   88.089809][ T1555] Call Trace:
[   88.089914][ T1555]  <TASK>
[   88.089982][ T1555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.090110][ T1555]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.090239][ T1555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.090337][ T1555]  register_netdevice (net/core/dev.c:11488)
[   88.090467][ T1555]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   88.090630][ T1555]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   88.090761][ T1555]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   88.090897][ T1555]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   88.091029][ T1555]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   88.091159][ T1555]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   88.091288][ T1555]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   88.091418][ T1555]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   88.091551][ T1555]  ops_init (net/core/net_namespace.c:137)
[   88.091649][ T1555]  setup_net (net/core/net_namespace.c:446)
[   88.091747][ T1555]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   88.091879][ T1555]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   88.092013][ T1555]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   88.092144][ T1555]  copy_net_ns (net/core/net_namespace.c:579)
[   88.092273][ T1555]  create_new_namespaces (kernel/nsproxy.c:132)
[   88.092405][ T1555]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   88.092537][ T1555]  ksys_unshare (kernel/fork.c:3243)
[   88.092665][ T1555]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.092792][ T1555]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   88.092929][ T1555]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   88.093058][ T1555]  ? __ia32_sys_open (fs/open.c:1374)
[   88.093186][ T1555]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   88.093313][ T1555]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   88.093440][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.093572][ T1555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.093700][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.093827][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.094001][ T1555] RIP: 0033:0x7f38e59acbcb
[   88.094135][ T1555] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   88.094593][ T1555] RSP: 002b:00007ffc6d93c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   88.094786][ T1555] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38e59acbcb
[   88.094990][ T1555] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   88.095179][ T1555] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   88.095371][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6d93e230
[   88.095567][ T1555] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6d93e847
| [   88.104014][ T1555] ------------[ cut here ]------------
| [   88.104150][ T1555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1555
| [   88.104407][ T1555] Modules linked in:
| [   88.104771][ T1555] Tainted: [W]=WARN
[   88.105391][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.105562][ T1555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.105730][ T1555] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.106252][ T1555] RSP: 0018:ffa00000046f78f8 EFLAGS: 00010286
[   88.106415][ T1555] RAX: 00000000ffffffa6 RBX: ff1100000d5123c0 RCX: 1ff40000008deee5
[   88.106613][ T1555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51247c
[   88.106805][ T1555] RBP: ff11000012a8c000 R08: 1fe2200001aa2491 R09: ff1100000a902e80
[   88.107063][ T1555] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.107257][ T1555] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012a8c000
[   88.107454][ T1555] FS:  00007f38e56ea840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   88.107682][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.107845][ T1555] CR2: 00007f38e58ebc20 CR3: 000000000ff21002 CR4: 0000000000771ef0
[   88.108100][ T1555] PKRU: 55555554
[   88.108198][ T1555] Call Trace:
[   88.108296][ T1555]  <TASK>
[   88.108362][ T1555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.108493][ T1555]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.108626][ T1555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.108725][ T1555]  register_netdevice (net/core/dev.c:11488)
[   88.108857][ T1555]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   88.109082][ T1555]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   88.109216][ T1555]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   88.109345][ T1555]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   88.109475][ T1555]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   88.109609][ T1555]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   88.109739][ T1555]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   88.109931][ T1555]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   88.110064][ T1555]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.110196][ T1555]  vti_init_net (net/ipv4/ip_vti.c:517)
[   88.110373][ T1555]  ops_init (net/core/net_namespace.c:137)
[   88.110475][ T1555]  setup_net (net/core/net_namespace.c:446)
[   88.110576][ T1555]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   88.110705][ T1555]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   88.110835][ T1555]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   88.111031][ T1555]  copy_net_ns (net/core/net_namespace.c:579)
[   88.111166][ T1555]  create_new_namespaces (kernel/nsproxy.c:132)
[   88.111300][ T1555]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   88.111430][ T1555]  ksys_unshare (kernel/fork.c:3243)
[   88.111565][ T1555]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.111695][ T1555]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   88.111826][ T1555]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   88.112020][ T1555]  ? __ia32_sys_open (fs/open.c:1374)
[   88.112151][ T1555]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   88.112282][ T1555]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   88.112412][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.112545][ T1555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.112676][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.112806][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.113032][ T1555] RIP: 0033:0x7f38e59acbcb
[   88.113166][ T1555] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   88.113630][ T1555] RSP: 002b:00007ffc6d93c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   88.113825][ T1555] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38e59acbcb
[   88.114089][ T1555] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   88.114291][ T1555] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   88.114481][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6d93e230
[   88.114677][ T1555] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6d93e847
| [   88.119544][ T1555] ------------[ cut here ]------------
| [   88.119689][ T1555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1555
| [   88.119964][ T1555] Modules linked in:
| [   88.120325][ T1555] Tainted: [W]=WARN
[   88.120422][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.120585][ T1555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.120752][ T1555] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.121224][ T1555] RSP: 0018:ffa00000046f7a78 EFLAGS: 00010286
[   88.121389][ T1555] RAX: 00000000ffffffa6 RBX: ff110000126bf1c0 RCX: 1ff40000008def15
[   88.121584][ T1555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf27c
[   88.121778][ T1555] RBP: ff1100000ffe1000 R08: 1fe22000024d7e51 R09: ff1100000a902e80
[   88.121981][ T1555] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.122180][ T1555] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe1000
[   88.122376][ T1555] FS:  00007f38e56ea840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   88.122606][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.122770][ T1555] CR2: 00007f04c86b3574 CR3: 000000000ff21005 CR4: 0000000000771ef0
[   88.122976][ T1555] PKRU: 55555554
[   88.123073][ T1555] Call Trace:
[   88.123170][ T1555]  <TASK>
[   88.123237][ T1555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.123366][ T1555]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.123495][ T1555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.123597][ T1555]  register_netdevice (net/core/dev.c:11488)
[   88.123728][ T1555]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   88.123895][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.124034][ T1555]  register_netdev (net/core/dev.c:11552)
[   88.124162][ T1555]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   88.124292][ T1555]  ops_init (net/core/net_namespace.c:137)
[   88.124390][ T1555]  setup_net (net/core/net_namespace.c:446)
[   88.124488][ T1555]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   88.124619][ T1555]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   88.124747][ T1555]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   88.124882][ T1555]  copy_net_ns (net/core/net_namespace.c:579)
[   88.125017][ T1555]  create_new_namespaces (kernel/nsproxy.c:132)
[   88.125148][ T1555]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   88.125278][ T1555]  ksys_unshare (kernel/fork.c:3243)
[   88.125407][ T1555]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.125539][ T1555]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   88.125668][ T1555]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   88.125796][ T1555]  ? __ia32_sys_open (fs/open.c:1374)
[   88.125939][ T1555]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   88.126067][ T1555]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   88.126194][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.126322][ T1555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.126450][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.126580][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.126738][ T1555] RIP: 0033:0x7f38e59acbcb
[   88.126878][ T1555] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   88.127337][ T1555] RSP: 002b:00007ffc6d93c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   88.127534][ T1555] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38e59acbcb
[   88.127725][ T1555] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   88.127924][ T1555] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   88.128115][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6d93e230
[   88.128308][ T1555] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6d93e847
| [   88.137556][ T1555] ------------[ cut here ]------------
| [   88.137693][ T1555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1555
| [   88.137959][ T1555] Modules linked in:
| [   88.138315][ T1555] Tainted: [W]=WARN
[   88.138413][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.138579][ T1555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.138744][ T1555] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.139208][ T1555] RSP: 0018:ffa00000046f7a68 EFLAGS: 00010286
[   88.139369][ T1555] RAX: 00000000ffffffa6 RBX: ff1100000f1b5e00 RCX: 1ff40000008def13
[   88.139566][ T1555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5ebc
[   88.139758][ T1555] RBP: ff1100000a3bc000 R08: 1fe2200001e36bd9 R09: ff1100000a902e80
[   88.139958][ T1555] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.140149][ T1555] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3bc000
[   88.140343][ T1555] FS:  00007f38e56ea840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   88.140571][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.140732][ T1555] CR2: 00007f04c86b3574 CR3: 000000000ff21005 CR4: 0000000000771ef0
[   88.140937][ T1555] PKRU: 55555554
[   88.141032][ T1555] Call Trace:
[   88.141128][ T1555]  <TASK>
[   88.141195][ T1555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.141323][ T1555]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.141450][ T1555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.141550][ T1555]  register_netdevice (net/core/dev.c:11488)
[   88.141680][ T1555]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   88.141844][ T1555]  register_netdev (net/core/dev.c:11552)
[   88.141982][ T1555]  sit_init_net (net/ipv6/sit.c:1860)
[   88.142113][ T1555]  ops_init (net/core/net_namespace.c:137)
[   88.142211][ T1555]  setup_net (net/core/net_namespace.c:446)
[   88.142308][ T1555]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   88.142434][ T1555]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   88.142566][ T1555]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   88.142696][ T1555]  copy_net_ns (net/core/net_namespace.c:579)
[   88.142825][ T1555]  create_new_namespaces (kernel/nsproxy.c:132)
[   88.142970][ T1555]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   88.143101][ T1555]  ksys_unshare (kernel/fork.c:3243)
[   88.143228][ T1555]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.143357][ T1555]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   88.143486][ T1555]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   88.143617][ T1555]  ? __ia32_sys_open (fs/open.c:1374)
[   88.143746][ T1555]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   88.143880][ T1555]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   88.144013][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.144141][ T1555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.144268][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.144396][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.144557][ T1555] RIP: 0033:0x7f38e59acbcb
[   88.144689][ T1555] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   88.145160][ T1555] RSP: 002b:00007ffc6d93c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   88.145353][ T1555] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38e59acbcb
[   88.145547][ T1555] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   88.145738][ T1555] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   88.145939][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6d93e230
[   88.146132][ T1555] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6d93e847
| [   88.150689][ T1555] ------------[ cut here ]------------
| [   88.150824][ T1555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1555
| [   88.151093][ T1555] Modules linked in:
| [   88.151456][ T1555] Tainted: [W]=WARN
[   88.151555][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.151717][ T1555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.151890][ T1555] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.152358][ T1555] RSP: 0018:ffa00000046f7a78 EFLAGS: 00010286
[   88.152522][ T1555] RAX: 00000000ffffffa6 RBX: ff1100000a9a78c0 RCX: 1ff40000008def15
[   88.152716][ T1555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a797c
[   88.152917][ T1555] RBP: ff1100000947c000 R08: 1fe2200001534f31 R09: ff1100000a902e80
[   88.153111][ T1555] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.153306][ T1555] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000947c000
[   88.153501][ T1555] FS:  00007f38e56ea840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   88.153730][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.153898][ T1555] CR2: 00007f04c86b3574 CR3: 000000000ff21005 CR4: 0000000000771ef0
[   88.154101][ T1555] PKRU: 55555554
[   88.154199][ T1555] Call Trace:
[   88.154294][ T1555]  <TASK>
[   88.154360][ T1555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.154488][ T1555]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.154621][ T1555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.154720][ T1555]  register_netdevice (net/core/dev.c:11488)
[   88.154851][ T1555]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   88.155021][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.155153][ T1555]  register_netdev (net/core/dev.c:11552)
[   88.155282][ T1555]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   88.155412][ T1555]  ops_init (net/core/net_namespace.c:137)
[   88.155514][ T1555]  setup_net (net/core/net_namespace.c:446)
[   88.155613][ T1555]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   88.155741][ T1555]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   88.155876][ T1555]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   88.156014][ T1555]  copy_net_ns (net/core/net_namespace.c:579)
[   88.156145][ T1555]  create_new_namespaces (kernel/nsproxy.c:132)
[   88.156276][ T1555]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   88.156405][ T1555]  ksys_unshare (kernel/fork.c:3243)
[   88.156628][ T1555]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.156757][ T1555]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   88.156896][ T1555]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   88.157032][ T1555]  ? __ia32_sys_open (fs/open.c:1374)
[   88.157247][ T1555]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   88.157376][ T1555]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   88.157504][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.157635][ T1555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.157849][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.157987][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.158150][ T1555] RIP: 0033:0x7f38e59acbcb
[   88.158285][ T1555] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   88.158838][ T1555] RSP: 002b:00007ffc6d93c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   88.159137][ T1555] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38e59acbcb
[   88.159329][ T1555] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   88.159522][ T1555] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   88.159800][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6d93e230
[   88.160005][ T1555] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6d93e847
| [   88.186518][ T1556] ------------[ cut here ]------------
| [   88.186662][ T1556] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1556
| [   88.186929][ T1556] Modules linked in:
| [   88.187292][ T1556] Tainted: [W]=WARN
[   88.187389][ T1556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.187550][ T1556] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.187717][ T1556] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.188184][ T1556] RSP: 0018:ffa0000004707020 EFLAGS: 00010286
[   88.188345][ T1556] RAX: 00000000ffffffa6 RBX: ff1100000ceecc80 RCX: 1ff40000008e0dca
[   88.188539][ T1556] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceecd3c
[   88.188731][ T1556] RBP: ff11000009691000 R08: 1fe22000019dd9a9 R09: ff1100000a905158
[   88.188937][ T1556] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   88.189130][ T1556] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   88.189323][ T1556] FS:  00007f2ac60eb840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   88.189551][ T1556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.189713][ T1556] CR2: 00000000158a5988 CR3: 00000000124fd001 CR4: 0000000000771ef0
[   88.189916][ T1556] PKRU: 55555554
[   88.190012][ T1556] Call Trace:
[   88.190107][ T1556]  <TASK>
[   88.190173][ T1556]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.190303][ T1556]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.190401][ T1556]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   88.190535][ T1556]  __dev_notify_flags (net/core/dev.c:9787)
[   88.190667][ T1556]  ? netif_change_name (net/core/dev.c:1495)
[   88.190796][ T1556]  ? __dev_change_flags (net/core/dev.c:9752)
[   88.190940][ T1556]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   88.191069][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.191197][ T1556]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.191329][ T1556]  netif_change_flags (net/core/dev.c:9820)
[   88.191459][ T1556]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.191593][ T1556]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   88.191726][ T1556]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.191857][ T1556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.192032][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.192161][ T1556]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.192288][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.192417][ T1556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.192550][ T1556]  ? __kernel_text_address (kernel/extable.c:79)
[   88.192679][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.192811][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.193027][ T1556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.193157][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.193286][ T1556]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.193414][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.193546][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.193676][ T1556]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.193806][ T1556]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.194015][ T1556]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.194238][ T1556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.194370][ T1556]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.194501][ T1556]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.194638][ T1556]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.194769][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.194979][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.195111][ T1556]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.195239][ T1556]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.195367][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.195497][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.195627][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.195755][ T1556]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.195976][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.196107][ T1556]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.196236][ T1556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.196365][ T1556]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.196493][ T1556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.196625][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.196755][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.196967][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.197097][ T1556]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.197226][ T1556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.197355][ T1556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.197487][ T1556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.197617][ T1556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.197747][ T1556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.197948][ T1556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.198078][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.198207][ T1556]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.198336][ T1556]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.198467][ T1556]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.198601][ T1556]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.198730][ T1556]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.198860][ T1556]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.199101][ T1556]  ? move_addr_to_kernel (net/socket.c:258)
[   88.199231][ T1556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.199359][ T1556]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.199488][ T1556]  ___sys_sendmsg (net/socket.c:2752)
[   88.199617][ T1556]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.199776][ T1556]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.199953][ T1556]  __sys_sendmsg (net/socket.c:2784)
[   88.200084][ T1556]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.200211][ T1556]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.200374][ T1556]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.200502][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.200636][ T1556]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.200765][ T1556]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.200899][ T1556]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.201035][ T1556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.201195][ T1556] RIP: 0033:0x7f2ac632508e
[   88.201328][ T1556] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.201790][ T1556] RSP: 002b:00007ffcfbbd8ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.201999][ T1556] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ac632508e
[   88.202189][ T1556] RDX: 0000000000000000 RSI: 00007ffcfbbd8b60 RDI: 0000000000000005
[   88.202381][ T1556] RBP: 00007ffcfbbd8ac0 R08: 0000000000000000 R09: 0000000000000000
[   88.202577][ T1556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   88.202770][ T1556] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfbbd9230
| [   88.571458][ T1571] ------------[ cut here ]------------
| [   88.571625][ T1571] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1571
| [   88.571907][ T1571] Modules linked in:
| [   88.572294][ T1571] Tainted: [W]=WARN
[   88.572397][ T1571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.572570][ T1571] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.572751][ T1571] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.573242][ T1571] RSP: 0018:ffa00000047d6e30 EFLAGS: 00010286
[   88.573414][ T1571] RAX: 00000000ffffffa6 RBX: ff1100000ceed8c0 RCX: 1ff40000008fad8c
[   88.573617][ T1571] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed97c
[   88.573817][ T1571] RBP: ff11000010929000 R08: 1fe22000019ddb31 R09: ff110000102c2e80
[   88.574026][ T1571] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.574227][ T1571] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4c7500
[   88.574429][ T1571] FS:  00007f548f7f2840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   88.574669][ T1571] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.574837][ T1571] CR2: 000000000042ebe0 CR3: 0000000012534005 CR4: 0000000000771ef0
[   88.575053][ T1571] PKRU: 55555554
[   88.575157][ T1571] Call Trace:
[   88.575258][ T1571]  <TASK>
[   88.575328][ T1571]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.575467][ T1571]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.575572][ T1571]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   88.575739][ T1571]  __dev_notify_flags (net/core/dev.c:9787)
[   88.575880][ T1571]  ? netif_change_name (net/core/dev.c:1495)
[   88.576019][ T1571]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.576153][ T1571]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.576285][ T1571]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.576421][ T1571]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   88.576562][ T1571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.576697][ T1571]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   88.576833][ T1571]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   88.576980][ T1571]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.577114][ T1571]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   88.577251][ T1571]  veth_newlink (drivers/net/veth.c:1871)
[   88.577387][ T1571]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   88.577523][ T1571]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.577658][ T1571]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.577790][ T1571]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.578007][ T1571]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   88.578140][ T1571]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   88.578275][ T1571]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   88.578408][ T1571]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   88.578547][ T1571]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   88.578682][ T1571]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   88.578817][ T1571]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   88.579032][ T1571]  ? __dev_get_by_name (net/core/dev.c:883)
[   88.579167][ T1571]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   88.579307][ T1571]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   88.579444][ T1571]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.579582][ T1571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.579715][ T1571]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.579848][ T1571]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.580053][ T1571]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.580332][ T1571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.580470][ T1571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.580607][ T1571]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.580742][ T1571]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.580943][ T1571]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.581079][ T1571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.581211][ T1571]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.581344][ T1571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.581475][ T1571]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.581613][ T1571]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.581745][ T1571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.581883][ T1571]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.582025][ T1571]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.582158][ T1571]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.582297][ T1571]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.582432][ T1571]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.582573][ T1571]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.582707][ T1571]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.582842][ T1571]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.582985][ T1571]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.583122][ T1571]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.583256][ T1571]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.583388][ T1571]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.583553][ T1571]  ? move_addr_to_kernel (net/socket.c:258)
[   88.583692][ T1571]  ___sys_sendmsg (net/socket.c:2752)
[   88.583824][ T1571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.583968][ T1571]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.584111][ T1571]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   88.584245][ T1571]  __sys_sendmsg (net/socket.c:2784)
[   88.584378][ T1571]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.584520][ T1571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.584655][ T1571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.584790][ T1571]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.584937][ T1571]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.585071][ T1571]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.585204][ T1571]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.585370][ T1571] RIP: 0033:0x7f548fa2c08e
[   88.585515][ T1571] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.586005][ T1571] RSP: 002b:00007ffe1b0adaa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.586206][ T1571] RAX: ffffffffffffffda RBX: 00007ffe1b0ae248 RCX: 00007f548fa2c08e
[   88.586405][ T1571] RDX: 0000000000000000 RSI: 00007ffe1b0adb50 RDI: 0000000000000005
[   88.586610][ T1571] RBP: 00007ffe1b0adab0 R08: 0000000000000000 R09: 0000000000000000
[   88.586812][ T1571] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   88.587023][ T1571] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1b0ae220
| [   88.601887][ T1571] ------------[ cut here ]------------
| [   88.602033][ T1571] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1571
| [   88.602293][ T1571] Modules linked in:
| [   88.602664][ T1571] Tainted: [W]=WARN
[   88.602763][ T1571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.602939][ T1571] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.603112][ T1571] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.603581][ T1571] RSP: 0018:ffa00000047d71b0 EFLAGS: 00010286
[   88.603746][ T1571] RAX: 00000000ffffffa6 RBX: ff1100000d31ba80 RCX: 1ff40000008fadfc
[   88.604554][ T1571] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bb3c
[   88.604751][ T1571] RBP: ff1100000ed04000 R08: 1fe2200001a63769 R09: ff110000102c2e80
[   88.604958][ T1571] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.605153][ T1571] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   88.605350][ T1571] FS:  00007f548f7f2840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   88.605584][ T1571] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.605749][ T1571] CR2: 000000000042ebe0 CR3: 0000000012534005 CR4: 0000000000771ef0
[   88.605955][ T1571] PKRU: 55555554
[   88.606055][ T1571] Call Trace:
[   88.606154][ T1571]  <TASK>
[   88.606222][ T1571]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.606357][ T1571]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.606458][ T1571]  __dev_notify_flags (net/core/dev.c:9787)
[   88.606594][ T1571]  ? netif_change_name (net/core/dev.c:1495)
[   88.606726][ T1571]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   88.606857][ T1571]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   88.607004][ T1571]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   88.607137][ T1571]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   88.607270][ T1571]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   88.607400][ T1571]  ? __dev_get_by_name (net/core/dev.c:883)
[   88.607533][ T1571]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   88.607671][ T1571]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   88.607807][ T1571]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.607951][ T1571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.608082][ T1571]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.608214][ T1571]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.608346][ T1571]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.608477][ T1571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.608618][ T1571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.608749][ T1571]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.608884][ T1571]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.609019][ T1571]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.609152][ T1571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.609283][ T1571]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.609416][ T1571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.609551][ T1571]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.609683][ T1571]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.609814][ T1571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.609957][ T1571]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.610094][ T1571]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.610226][ T1571]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.610362][ T1571]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.610496][ T1571]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.610633][ T1571]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.610767][ T1571]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.610907][ T1571]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.611046][ T1571]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.611179][ T1571]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.611313][ T1571]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.611443][ T1571]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.611610][ T1571]  ? move_addr_to_kernel (net/socket.c:258)
[   88.611747][ T1571]  ___sys_sendmsg (net/socket.c:2752)
[   88.611882][ T1571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.612020][ T1571]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.612161][ T1571]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   88.612296][ T1571]  __sys_sendmsg (net/socket.c:2784)
[   88.612428][ T1571]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.612570][ T1571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.612702][ T1571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.612837][ T1571]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.612979][ T1571]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.613111][ T1571]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.613242][ T1571]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.613406][ T1571] RIP: 0033:0x7f548fa2c08e
[   88.613546][ T1571] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.614029][ T1571] RSP: 002b:00007ffe1b0adaa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.614226][ T1571] RAX: ffffffffffffffda RBX: 00007ffe1b0ae248 RCX: 00007f548fa2c08e
[   88.614420][ T1571] RDX: 0000000000000000 RSI: 00007ffe1b0adb50 RDI: 0000000000000005
[   88.614617][ T1571] RBP: 00007ffe1b0adab0 R08: 0000000000000000 R09: 0000000000000000
[   88.614813][ T1571] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   88.615018][ T1571] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1b0ae220
| [   88.650993][ T1572] ------------[ cut here ]------------
| [   88.651171][ T1572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1572
| [   88.651464][ T1572] Modules linked in:
| [   88.651940][ T1572] Tainted: [W]=WARN
[   88.652082][ T1572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.652286][ T1572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.652495][ T1572] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.653010][ T1572] RSP: 0018:ffa00000047e6ff8 EFLAGS: 00010286
[   88.653216][ T1572] RAX: 00000000ffffffa6 RBX: ff1100000fe91a80 RCX: 1ff40000008fcdc5
[   88.653446][ T1572] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe91b3c
[   88.653682][ T1572] RBP: ff11000010929000 R08: 1fe2200001fd2369 R09: ff110000102c0b58
[   88.653932][ T1572] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.654167][ T1572] R13: 0000000000000000 R14: ffa00000047e7140 R15: ff11000004f8e6d0
[   88.654400][ T1572] FS:  00007f1b82047840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   88.654673][ T1572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.654889][ T1572] CR2: 00000000217b0988 CR3: 0000000009955002 CR4: 0000000000771ef0
[   88.655131][ T1572] PKRU: 55555554
[   88.655274][ T1572] Call Trace:
[   88.655414][ T1572]  <TASK>
[   88.655529][ T1572]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   88.655705][ T1572]  __dev_change_net_namespace (net/core/dev.c:12635)
[   88.655925][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.656097][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.656273][ T1572]  ? default_device_exit_batch (net/core/dev.c:13091)
[   88.656474][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.656654][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.656828][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.657022][ T1572]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.657197][ T1572]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.657373][ T1572]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   88.657554][ T1572]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.657728][ T1572]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.657955][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.658127][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.658299][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.658469][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.658650][ T1572]  ? __kernel_text_address (kernel/extable.c:79)
[   88.658823][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.659020][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.659196][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.659369][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.659546][ T1572]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.659717][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.659902][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.660084][ T1572]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.660258][ T1572]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.660432][ T1572]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.660616][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.660791][ T1572]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.660985][ T1572]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.661162][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.661337][ T1572]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.661514][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.661688][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.661862][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.662049][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.662221][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.662396][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.662575][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.662747][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.662938][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.663114][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.663289][ T1572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.663460][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.663640][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.663811][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.664008][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.664179][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.664353][ T1572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.664529][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.664705][ T1572]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.664892][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.665070][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.665244][ T1572]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.665417][ T1572]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.665596][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.665769][ T1572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.665969][ T1572]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.666143][ T1572]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.666316][ T1572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.666488][ T1572]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.666666][ T1572]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.666881][ T1572]  ? move_addr_to_kernel (net/socket.c:258)
[   88.667062][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.667236][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.667409][ T1572]  ___sys_sendmsg (net/socket.c:2752)
[   88.667588][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.667791][ T1572]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.667996][ T1572]  __sys_sendmsg (net/socket.c:2784)
[   88.668169][ T1572]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.668341][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.668554][ T1572]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.668728][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.668923][ T1572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.669095][ T1572]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.669265][ T1572]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.669437][ T1572]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.669645][ T1572] RIP: 0033:0x7f1b8228108e
[   88.669822][ T1572] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.670335][ T1572] RSP: 002b:00007ffcfb6cf7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.670578][ T1572] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1b8228108e
[   88.670811][ T1572] RDX: 0000000000000000 RSI: 00007ffcfb6cf870 RDI: 0000000000000005
[   88.671067][ T1572] RBP: 00007ffcfb6cf7d0 R08: 0000000000000000 R09: 0000000000000000
[   88.671298][ T1572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   88.671532][ T1572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfb6cff40
| [   88.674497][ T1572] ------------[ cut here ]------------
| [   88.674668][ T1572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1572
| [   88.674984][ T1572] Modules linked in:
| [   88.675431][ T1572] Tainted: [W]=WARN
[   88.675582][ T1572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.675786][ T1572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.676020][ T1572] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.676517][ T1572] RSP: 0018:ffa00000047e6fc0 EFLAGS: 00010286
[   88.676729][ T1572] RAX: 00000000ffffffa6 RBX: ff110000109b8e40 RCX: 1ff40000008fcdbe
[   88.676984][ T1572] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8efc
[   88.677217][ T1572] RBP: ff11000010929000 R08: 1fe22000021371e1 R09: ff110000102c0b58
[   88.677453][ T1572] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.677695][ T1572] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f8e6d0
[   88.677953][ T1572] FS:  00007f1b82047840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   88.678220][ T1572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.678428][ T1572] CR2: 00000000217b0988 CR3: 0000000009955002 CR4: 0000000000771ef0
[   88.678675][ T1572] PKRU: 55555554
[   88.678816][ T1572] Call Trace:
[   88.678979][ T1572]  <TASK>
[   88.679092][ T1572]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.679269][ T1572]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.679445][ T1572]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.679598][ T1572]  __dev_change_net_namespace (net/core/dev.c:12695)
[   88.679805][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.679996][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.680174][ T1572]  ? default_device_exit_batch (net/core/dev.c:13091)
[   88.680378][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.680556][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.680730][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.680925][ T1572]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.681100][ T1572]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.681275][ T1572]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   88.681451][ T1572]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.681632][ T1572]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.681836][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.682028][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.682205][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.682377][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.682557][ T1572]  ? __kernel_text_address (kernel/extable.c:79)
[   88.682731][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.682928][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.683103][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.683278][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.683454][ T1572]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.683632][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.683804][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.683999][ T1572]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.684173][ T1572]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.684345][ T1572]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.684523][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.684701][ T1572]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.684891][ T1572]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.685077][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.685255][ T1572]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.685431][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.685611][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.685786][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.685982][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.686160][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.686338][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.686510][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.686688][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.686862][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.687076][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.687252][ T1572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.687427][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.687611][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.687783][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.687983][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.688156][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.688331][ T1572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.688502][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.688683][ T1572]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.688861][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.689053][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.689228][ T1572]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.689404][ T1572]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.689586][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.689762][ T1572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.689959][ T1572]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.690137][ T1572]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.690315][ T1572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.690488][ T1572]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.690668][ T1572]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.690884][ T1572]  ? move_addr_to_kernel (net/socket.c:258)
[   88.691067][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.691241][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.691416][ T1572]  ___sys_sendmsg (net/socket.c:2752)
[   88.691599][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.691803][ T1572]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.692010][ T1572]  __sys_sendmsg (net/socket.c:2784)
[   88.692185][ T1572]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.692357][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.692571][ T1572]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.692745][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.692944][ T1572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.693119][ T1572]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.693293][ T1572]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.693468][ T1572]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.693679][ T1572] RIP: 0033:0x7f1b8228108e
[   88.693859][ T1572] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.694374][ T1572] RSP: 002b:00007ffcfb6cf7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.694618][ T1572] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1b8228108e
[   88.694854][ T1572] RDX: 0000000000000000 RSI: 00007ffcfb6cf870 RDI: 0000000000000005
[   88.695108][ T1572] RBP: 00007ffcfb6cf7d0 R08: 0000000000000000 R09: 0000000000000000
[   88.695346][ T1572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   88.695590][ T1572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfb6cff40
| [   88.697926][ T1572] ------------[ cut here ]------------
| [   88.698092][ T1572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1572
| [   88.698385][ T1572] Modules linked in:
| [   88.698835][ T1572] Tainted: [W]=WARN
[   88.699215][ T1572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.699417][ T1572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.699634][ T1572] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.700151][ T1572] RSP: 0018:ffa00000047e7038 EFLAGS: 00010286
[   88.700356][ T1572] RAX: 00000000ffffffa6 RBX: ff110000109b8ac0 RCX: 1ff40000008fcdcd
[   88.700597][ T1572] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8b7c
[   88.700829][ T1572] RBP: ff11000010929000 R08: 1fe2200002137171 R09: ff110000102c0b58
[   88.701086][ T1572] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   88.701320][ T1572] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   88.701565][ T1572] FS:  00007f1b82047840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   88.701833][ T1572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.702056][ T1572] CR2: 00000000217b0988 CR3: 0000000009955002 CR4: 0000000000771ef0
[   88.702294][ T1572] PKRU: 55555554
[   88.702435][ T1572] Call Trace:
[   88.702585][ T1572]  <TASK>
[   88.702696][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.702977][ T1572]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   88.703157][ T1572]  notifier_call_chain (kernel/notifier.c:85)
[   88.703333][ T1572]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   88.703508][ T1572]  ? default_device_exit_batch (net/core/dev.c:13091)
[   88.703806][ T1572]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   88.704031][ T1572]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.704206][ T1572]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.704464][ T1572]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   88.704649][ T1572]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.704823][ T1572]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.705051][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.705310][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.705484][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.705661][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.705836][ T1572]  ? __kernel_text_address (kernel/extable.c:79)
[   88.706111][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.706287][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.706462][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.706645][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.706920][ T1572]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.707092][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.707265][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.707439][ T1572]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.707701][ T1572]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.707887][ T1572]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.708073][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.708247][ T1572]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.708501][ T1572]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.708685][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.708861][ T1572]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.709056][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.709311][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.709485][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.709665][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.709837][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.710114][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.710285][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.710457][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.710639][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.710907][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.711094][ T1572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.711267][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.711441][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.711703][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.711894][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.712074][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.712250][ T1572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.712506][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.712690][ T1572]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.712882][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.713062][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.713319][ T1572]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.713495][ T1572]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.713678][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.713854][ T1572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.714134][ T1572]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.714315][ T1572]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.714492][ T1572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.714672][ T1572]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.714948][ T1572]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.715155][ T1572]  ? move_addr_to_kernel (net/socket.c:258)
[   88.715329][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.715502][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.715768][ T1572]  ___sys_sendmsg (net/socket.c:2752)
[   88.715960][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.716167][ T1572]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.716352][ T1572]  __sys_sendmsg (net/socket.c:2784)
[   88.716616][ T1572]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.716788][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.717019][ T1572]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.717279][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.717453][ T1572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.717634][ T1572]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.717807][ T1572]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.718079][ T1572]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.718283][ T1572] RIP: 0033:0x7f1b8228108e
[   88.718461][ T1572] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.719075][ T1572] RSP: 002b:00007ffcfb6cf7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.719312][ T1572] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1b8228108e
[   88.719638][ T1572] RDX: 0000000000000000 RSI: 00007ffcfb6cf870 RDI: 0000000000000005
[   88.719889][ T1572] RBP: 00007ffcfb6cf7d0 R08: 0000000000000000 R09: 0000000000000000
[   88.720132][ T1572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   88.720450][ T1572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfb6cff40
| [   88.723369][ T1572] ------------[ cut here ]------------
| [   88.723543][ T1572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1572
| [   88.724440][ T1572] Modules linked in:
| [   88.725042][ T1572] Tainted: [W]=WARN
[   88.725240][ T1572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.725500][ T1572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.725779][ T1572] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.726358][ T1572] RSP: 0018:ffa00000047e7020 EFLAGS: 00010286
[   88.726628][ T1572] RAX: 00000000ffffffa6 RBX: ff110000105f2c80 RCX: 1ff40000008fcdca
[   88.726938][ T1572] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f2d3c
[   88.727227][ T1572] RBP: ff11000010929000 R08: 1fe22000020be5a9 R09: ff110000102c0b58
[   88.727523][ T1572] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   88.727812][ T1572] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   88.728125][ T1572] FS:  00007f1b82047840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   88.728447][ T1572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.728716][ T1572] CR2: 00000000217b0988 CR3: 0000000009955002 CR4: 0000000000771ef0
[   88.729023][ T1572] PKRU: 55555554
[   88.729219][ T1572] Call Trace:
[   88.729412][ T1572]  <TASK>
[   88.729579][ T1572]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.729808][ T1572]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.730022][ T1572]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   88.730249][ T1572]  __dev_notify_flags (net/core/dev.c:9787)
[   88.730481][ T1572]  ? netif_change_name (net/core/dev.c:1495)
[   88.730715][ T1572]  ? __dev_change_flags (net/core/dev.c:9752)
[   88.730963][ T1572]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   88.731193][ T1572]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   88.731453][ T1572]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.731687][ T1572]  netif_change_flags (net/core/dev.c:9820)
[   88.731937][ T1572]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   88.732172][ T1572]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.732400][ T1572]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.732667][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.732918][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.733146][ T1572]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.733374][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.733612][ T1572]  ? __kernel_text_address (kernel/extable.c:79)
[   88.733840][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.734088][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.734318][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.734556][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.734784][ T1572]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.735034][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.735266][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.735498][ T1572]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.735735][ T1572]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.735979][ T1572]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.736212][ T1572]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.736444][ T1572]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.736678][ T1572]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.736930][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.737166][ T1572]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.737395][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.737632][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.737860][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.738159][ T1572]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.738388][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.738624][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.738851][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.739104][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.739334][ T1572]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.739571][ T1572]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.739799][ T1572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.740048][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.740278][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.740508][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.740745][ T1572]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.740995][ T1572]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.741227][ T1572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.741456][ T1572]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.741695][ T1572]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.741948][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.742180][ T1572]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.742410][ T1572]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.742650][ T1572]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.742893][ T1572]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.743130][ T1572]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.743360][ T1572]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.743592][ T1572]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.743825][ T1572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.744078][ T1572]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.744308][ T1572]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.744577][ T1572]  ? move_addr_to_kernel (net/socket.c:258)
[   88.744807][ T1572]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.745052][ T1572]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.745282][ T1572]  ___sys_sendmsg (net/socket.c:2752)
[   88.745510][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.745774][ T1572]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.746035][ T1572]  __sys_sendmsg (net/socket.c:2784)
[   88.746268][ T1572]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.746495][ T1572]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.746764][ T1572]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.747012][ T1572]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.747245][ T1572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.747475][ T1572]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.747708][ T1572]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.747960][ T1572]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.748221][ T1572] RIP: 0033:0x7f1b8228108e
[   88.748457][ T1572] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.749040][ T1572] RSP: 002b:00007ffcfb6cf7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.749278][ T1572] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1b8228108e
[   88.749516][ T1572] RDX: 0000000000000000 RSI: 00007ffcfb6cf870 RDI: 0000000000000005
[   88.749755][ T1572] RBP: 00007ffcfb6cf7d0 R08: 0000000000000000 R09: 0000000000000000
[   88.750012][ T1572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd44
[   88.750252][ T1572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfb6cff40
| [   88.790547][ T1573] ------------[ cut here ]------------
| [   88.790698][ T1573] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1573
| [   88.790978][ T1573] Modules linked in:
| [   88.791351][ T1573] Tainted: [W]=WARN
[   88.791453][ T1573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.791621][ T1573] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.791797][ T1573] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.792287][ T1573] RSP: 0018:ffa00000047f6e30 EFLAGS: 00010286
[   88.792454][ T1573] RAX: 00000000ffffffa6 RBX: ff1100000dc27a80 RCX: 1ff40000008fed8c
[   88.792656][ T1573] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27b3c
[   88.792856][ T1573] RBP: ff1100000b6d4000 R08: 1fe2200001b84f69 R09: ff11000012505180
[   88.793069][ T1573] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.793270][ T1573] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f34ee00
[   88.793472][ T1573] FS:  00007f735115d840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   88.793713][ T1573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.793888][ T1573] CR2: 000000000042ebe0 CR3: 0000000012534001 CR4: 0000000000771ef0
[   88.794096][ T1573] PKRU: 55555554
[   88.794199][ T1573] Call Trace:
[   88.794299][ T1573]  <TASK>
[   88.794369][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.794503][ T1573]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.794644][ T1573]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.794746][ T1573]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   88.795380][ T1573]  __dev_notify_flags (net/core/dev.c:9787)
[   88.795521][ T1573]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   88.795654][ T1573]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   88.795790][ T1573]  ? netif_change_name (net/core/dev.c:1495)
[   88.795938][ T1573]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.796072][ T1573]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.796207][ T1573]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.796341][ T1573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.796475][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.796611][ T1573]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   88.796748][ T1573]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   88.796889][ T1573]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.797028][ T1573]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   88.797162][ T1573]  veth_newlink (drivers/net/veth.c:1871)
[   88.797297][ T1573]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   88.797429][ T1573]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.797566][ T1573]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.797700][ T1573]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.797850][ T1573]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   88.797995][ T1573]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   88.798131][ T1573]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   88.798266][ T1573]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   88.798403][ T1573]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   88.798543][ T1573]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   88.798677][ T1573]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   88.798810][ T1573]  ? __dev_get_by_name (net/core/dev.c:883)
[   88.798952][ T1573]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   88.799093][ T1573]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   88.799230][ T1573]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.799365][ T1573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.799499][ T1573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.799636][ T1573]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.799769][ T1573]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.799907][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.800051][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.800186][ T1573]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.800320][ T1573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.800453][ T1573]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.800589][ T1573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.800723][ T1573]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.800858][ T1573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.801004][ T1573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.801138][ T1573]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.801272][ T1573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.801405][ T1573]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.801546][ T1573]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.801679][ T1573]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.801815][ T1573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.801962][ T1573]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.802096][ T1573]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.802232][ T1573]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.802368][ T1573]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.802506][ T1573]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.802642][ T1573]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.802776][ T1573]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.802919][ T1573]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.803085][ T1573]  ? move_addr_to_kernel (net/socket.c:258)
[   88.803223][ T1573]  ___sys_sendmsg (net/socket.c:2752)
[   88.803356][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.803489][ T1573]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.803637][ T1573]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   88.803775][ T1573]  __sys_sendmsg (net/socket.c:2784)
[   88.803920][ T1573]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.804059][ T1573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.804192][ T1573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.804327][ T1573]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.804460][ T1573]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.804596][ T1573]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.804732][ T1573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.804904][ T1573] RIP: 0033:0x7f735139708e
[   88.805049][ T1573] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.805522][ T1573] RSP: 002b:00007ffd37502fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.805726][ T1573] RAX: ffffffffffffffda RBX: 00007ffd37503768 RCX: 00007f735139708e
[   88.805939][ T1573] RDX: 0000000000000000 RSI: 00007ffd37503070 RDI: 0000000000000005
[   88.806138][ T1573] RBP: 00007ffd37502fd0 R08: 0000000000000000 R09: 0000000000000000
[   88.806337][ T1573] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   88.806541][ T1573] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd37503740
| [   88.814054][ T1573] ------------[ cut here ]------------
| [   88.814193][ T1573] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1573
| [   88.814453][ T1573] Modules linked in:
| [   88.814821][ T1573] Tainted: [W]=WARN
[   88.815452][ T1573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.815621][ T1573] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.815851][ T1573] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.816382][ T1573] RSP: 0018:ffa00000047f71b0 EFLAGS: 00010286
[   88.816551][ T1573] RAX: 00000000ffffffa6 RBX: ff1100000b7d51c0 RCX: 1ff40000008fedfc
[   88.816750][ T1573] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d527c
[   88.817008][ T1573] RBP: ff1100000fff4000 R08: 1fe22000016faa51 R09: ff11000012505180
[   88.817203][ T1573] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.817398][ T1573] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   88.817603][ T1573] FS:  00007f735115d840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   88.817834][ T1573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.818061][ T1573] CR2: 000000000042ebe0 CR3: 0000000012534001 CR4: 0000000000771ef0
[   88.818259][ T1573] PKRU: 55555554
[   88.818358][ T1573] Call Trace:
[   88.818456][ T1573]  <TASK>
[   88.818526][ T1573]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.818660][ T1573]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.818761][ T1573]  __dev_notify_flags (net/core/dev.c:9787)
[   88.818955][ T1573]  ? netif_change_name (net/core/dev.c:1495)
[   88.819089][ T1573]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   88.819220][ T1573]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   88.819354][ T1573]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   88.819487][ T1573]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   88.819626][ T1573]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   88.819756][ T1573]  ? __dev_get_by_name (net/core/dev.c:883)
[   88.819949][ T1573]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   88.820087][ T1573]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   88.820222][ T1573]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.820355][ T1573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.820486][ T1573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.820620][ T1573]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.820751][ T1573]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.820943][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.821080][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.821213][ T1573]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.821343][ T1573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.821475][ T1573]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.821611][ T1573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.821742][ T1573]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.821939][ T1573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.822071][ T1573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.822203][ T1573]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.822333][ T1573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.822464][ T1573]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.822606][ T1573]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.822738][ T1573]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.822935][ T1573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.823070][ T1573]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.823202][ T1573]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.823336][ T1573]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.823470][ T1573]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.823609][ T1573]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.823742][ T1573]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.823937][ T1573]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.824069][ T1573]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.824232][ T1573]  ? move_addr_to_kernel (net/socket.c:258)
[   88.824368][ T1573]  ___sys_sendmsg (net/socket.c:2752)
[   88.824500][ T1573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.824635][ T1573]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.824776][ T1573]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   88.824972][ T1573]  __sys_sendmsg (net/socket.c:2784)
[   88.825103][ T1573]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.825239][ T1573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.825370][ T1573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.825505][ T1573]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.825639][ T1573]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.825770][ T1573]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.825963][ T1573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.826128][ T1573] RIP: 0033:0x7f735139708e
[   88.826265][ T1573] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.826740][ T1573] RSP: 002b:00007ffd37502fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.827004][ T1573] RAX: ffffffffffffffda RBX: 00007ffd37503768 RCX: 00007f735139708e
[   88.827201][ T1573] RDX: 0000000000000000 RSI: 00007ffd37503070 RDI: 0000000000000005
[   88.827396][ T1573] RBP: 00007ffd37502fd0 R08: 0000000000000000 R09: 0000000000000000
[   88.827598][ T1573] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   88.827795][ T1573] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd37503740
| [   88.860277][ T1574] ------------[ cut here ]------------
| [   88.860452][ T1574] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1574
| [   88.860749][ T1574] Modules linked in:
| [   88.861213][ T1574] Tainted: [W]=WARN
[   88.861352][ T1574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.861559][ T1574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.861767][ T1574] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.862271][ T1574] RSP: 0018:ffa00000047f6ff8 EFLAGS: 00010286
[   88.862478][ T1574] RAX: 00000000ffffffa6 RBX: ff1100000b7d4040 RCX: 1ff40000008fedc5
[   88.862712][ T1574] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d40fc
[   88.863048][ T1574] RBP: ff1100000b6d4000 R08: 1fe22000016fa821 R09: ff1100000ffd8b58
[   88.863280][ T1574] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.863515][ T1574] R13: 0000000000000000 R14: ffa00000047f7140 R15: ff11000009541fd0
[   88.863750][ T1574] FS:  00007f269b470840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   88.864034][ T1574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.864239][ T1574] CR2: 00007f269b7401a0 CR3: 0000000012729004 CR4: 0000000000771ef0
[   88.864472][ T1574] PKRU: 55555554
[   88.864617][ T1574] Call Trace:
[   88.864756][ T1574]  <TASK>
[   88.864880][ T1574]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   88.865061][ T1574]  __dev_change_net_namespace (net/core/dev.c:12635)
[   88.865264][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.865432][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.865616][ T1574]  ? default_device_exit_batch (net/core/dev.c:13091)
[   88.865817][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.866007][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.866184][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.866354][ T1574]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.866527][ T1574]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.866701][ T1574]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   88.866887][ T1574]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.867068][ T1574]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.867269][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.867438][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.867615][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.867784][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.867984][ T1574]  ? __kernel_text_address (kernel/extable.c:79)
[   88.868156][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.868331][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.868502][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.868681][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.868852][ T1574]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.869046][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.869219][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.869392][ T1574]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.869570][ T1574]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.869739][ T1574]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.869926][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.870098][ T1574]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.870267][ T1574]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.870441][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.870620][ T1574]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.870796][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.870986][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.871160][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.871330][ T1574]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.871498][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.871680][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.871848][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.872047][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.872220][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.872392][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.872571][ T1574]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.872744][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.872934][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.873105][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.873278][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.873450][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.873630][ T1574]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.873802][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.873995][ T1574]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.874171][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.874339][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.874516][ T1574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.874696][ T1574]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.874881][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.875060][ T1574]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.875233][ T1574]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.875404][ T1574]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.875585][ T1574]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.875758][ T1574]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.875952][ T1574]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.876156][ T1574]  ? move_addr_to_kernel (net/socket.c:258)
[   88.876329][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.876501][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.876683][ T1574]  ___sys_sendmsg (net/socket.c:2752)
[   88.876853][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.877075][ T1574]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.877262][ T1574]  __sys_sendmsg (net/socket.c:2784)
[   88.877437][ T1574]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.877615][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.877820][ T1574]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.878015][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.878190][ T1574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.878360][ T1574]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.878532][ T1574]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.878707][ T1574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.878924][ T1574] RIP: 0033:0x7f269b6aa08e
[   88.879102][ T1574] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.879596][ T1574] RSP: 002b:00007ffe38de1d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.879834][ T1574] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f269b6aa08e
[   88.880084][ T1574] RDX: 0000000000000000 RSI: 00007ffe38de1e00 RDI: 0000000000000005
[   88.880316][ T1574] RBP: 00007ffe38de1d60 R08: 0000000000000000 R09: 0000000000000000
[   88.880553][ T1574] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   88.880788][ T1574] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe38de24d0
| [   88.887644][ T1574] ------------[ cut here ]------------
| [   88.887819][ T1574] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1574
| [   88.888139][ T1574] Modules linked in:
| [   88.888589][ T1574] Tainted: [W]=WARN
[   88.888731][ T1574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.888956][ T1574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.889170][ T1574] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.889670][ T1574] RSP: 0018:ffa00000047f6fc0 EFLAGS: 00010286
[   88.889891][ T1574] RAX: 00000000ffffffa6 RBX: ff1100000c04a3c0 RCX: 1ff40000008fedbe
[   88.890135][ T1574] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a47c
[   88.890370][ T1574] RBP: ff1100000b6d4000 R08: 1fe2200001809491 R09: ff1100000ffd8b58
[   88.890613][ T1574] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.890845][ T1574] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009541fd0
[   88.891104][ T1574] FS:  00007f269b470840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   88.891373][ T1574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.891587][ T1574] CR2: 00007f269b7401a0 CR3: 0000000012729004 CR4: 0000000000771ef0
[   88.891822][ T1574] PKRU: 55555554
[   88.891986][ T1574] Call Trace:
[   88.892131][ T1574]  <TASK>
[   88.892243][ T1574]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.892418][ T1574]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.892598][ T1574]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.892743][ T1574]  __dev_change_net_namespace (net/core/dev.c:12695)
[   88.892971][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.893146][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.893322][ T1574]  ? default_device_exit_batch (net/core/dev.c:13091)
[   88.893531][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.893706][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.893895][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.894080][ T1574]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.894256][ T1574]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.894431][ T1574]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   88.894616][ T1574]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.894792][ T1574]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.895022][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.895196][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.895371][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.895548][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.895722][ T1574]  ? __kernel_text_address (kernel/extable.c:79)
[   88.895919][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.896097][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.896272][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.896447][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.896625][ T1574]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.896798][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.896990][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.897165][ T1574]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.897339][ T1574]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.897514][ T1574]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.897696][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.897884][ T1574]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.898063][ T1574]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.898240][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.898418][ T1574]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.898601][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.898774][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.898969][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.899143][ T1574]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.899316][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.899493][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.899672][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.899845][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.900041][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.900218][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.900395][ T1574]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.900578][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.900752][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.900944][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.901120][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.901291][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.901465][ T1574]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.901646][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.901824][ T1574]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.902022][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.902195][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.902370][ T1574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.902552][ T1574]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.902727][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.902921][ T1574]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.903100][ T1574]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.903280][ T1574]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.903455][ T1574]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.903637][ T1574]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.903809][ T1574]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.904035][ T1574]  ? move_addr_to_kernel (net/socket.c:258)
[   88.904214][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.904390][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.904573][ T1574]  ___sys_sendmsg (net/socket.c:2752)
[   88.904748][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.904969][ T1574]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.905156][ T1574]  __sys_sendmsg (net/socket.c:2784)
[   88.905334][ T1574]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.905506][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.905721][ T1574]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.905907][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.906090][ T1574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.906263][ T1574]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.906434][ T1574]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.906617][ T1574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.906821][ T1574] RIP: 0033:0x7f269b6aa08e
[   88.907019][ T1574] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.907524][ T1574] RSP: 002b:00007ffe38de1d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.907764][ T1574] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f269b6aa08e
[   88.908018][ T1574] RDX: 0000000000000000 RSI: 00007ffe38de1e00 RDI: 0000000000000005
[   88.908257][ T1574] RBP: 00007ffe38de1d60 R08: 0000000000000000 R09: 0000000000000000
[   88.908491][ T1574] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   88.908731][ T1574] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe38de24d0
| [   88.911067][ T1574] ------------[ cut here ]------------
| [   88.911236][ T1574] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1574
| [   88.911532][ T1574] Modules linked in:
| [   88.912498][ T1574] Tainted: [W]=WARN
[   88.912702][ T1574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.912978][ T1574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.913259][ T1574] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.913818][ T1574] RSP: 0018:ffa00000047f7038 EFLAGS: 00010286
[   88.914099][ T1574] RAX: 00000000ffffffa6 RBX: ff1100000fc4b540 RCX: 1ff40000008fedcd
[   88.914387][ T1574] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b5fc
[   88.914684][ T1574] RBP: ff1100000b6d4000 R08: 1fe2200001f896c1 R09: ff1100000ffd8b58
[   88.914989][ T1574] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   88.915275][ T1574] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   88.915571][ T1574] FS:  00007f269b470840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   88.915906][ T1574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.916175][ T1574] CR2: 00007f269b7401a0 CR3: 0000000012729004 CR4: 0000000000771ef0
[   88.916461][ T1574] PKRU: 55555554
[   88.916663][ T1574] Call Trace:
[   88.916857][ T1574]  <TASK>
[   88.917043][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.917271][ T1574]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   88.917499][ T1574]  notifier_call_chain (kernel/notifier.c:85)
[   88.917738][ T1574]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   88.917985][ T1574]  ? default_device_exit_batch (net/core/dev.c:13091)
[   88.918245][ T1574]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   88.918501][ T1574]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.918736][ T1574]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.918982][ T1574]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   88.919214][ T1574]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.919446][ T1574]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.919709][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.919956][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.920182][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.920406][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.920639][ T1574]  ? __kernel_text_address (kernel/extable.c:79)
[   88.920935][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.921164][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.921389][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.921622][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.921847][ T1574]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.922096][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.922324][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.922558][ T1574]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.922783][ T1574]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.922978][ T1574]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.923155][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.923332][ T1574]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.923505][ T1574]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.923689][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.923879][ T1574]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.924059][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.924233][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.924406][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.924586][ T1574]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.924759][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.924958][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.925133][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.925305][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.925480][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.925663][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.925838][ T1574]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.926036][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.926211][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.926383][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.926565][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.926738][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.926940][ T1574]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.927114][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.927288][ T1574]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.927465][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.927646][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.927824][ T1574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.928021][ T1574]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.928195][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.928372][ T1574]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.928555][ T1574]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.928730][ T1574]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.928924][ T1574]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.929099][ T1574]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.929273][ T1574]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.929475][ T1574]  ? move_addr_to_kernel (net/socket.c:258)
[   88.929659][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.929834][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.930029][ T1574]  ___sys_sendmsg (net/socket.c:2752)
[   88.930201][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.930406][ T1574]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.930599][ T1574]  __sys_sendmsg (net/socket.c:2784)
[   88.930773][ T1574]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.930967][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.931176][ T1574]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.931350][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.931529][ T1574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.931703][ T1574]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.931889][ T1574]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.932071][ T1574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.932273][ T1574] RIP: 0033:0x7f269b6aa08e
[   88.932453][ T1574] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.932976][ T1574] RSP: 002b:00007ffe38de1d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.933213][ T1574] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f269b6aa08e
[   88.933450][ T1574] RDX: 0000000000000000 RSI: 00007ffe38de1e00 RDI: 0000000000000005
[   88.933693][ T1574] RBP: 00007ffe38de1d60 R08: 0000000000000000 R09: 0000000000000000
[   88.933949][ T1574] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   88.934184][ T1574] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe38de24d0
| [   88.936713][ T1574] ------------[ cut here ]------------
| [   88.936852][ T1574] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1574
| [   88.937127][ T1574] Modules linked in:
| [   88.937485][ T1574] Tainted: [W]=WARN
[   88.937583][ T1574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.937743][ T1574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.937920][ T1574] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   88.938374][ T1574] RSP: 0018:ffa00000047f7020 EFLAGS: 00010286
[   88.938538][ T1574] RAX: 00000000ffffffa6 RBX: ff1100000d512900 RCX: 1ff40000008fedca
[   88.938730][ T1574] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5129bc
[   88.938934][ T1574] RBP: ff1100000b6d4000 R08: 1fe2200001aa2539 R09: ff1100000ffd8b58
[   88.939124][ T1574] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   88.939314][ T1574] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   88.939507][ T1574] FS:  00007f269b470840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   88.939734][ T1574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.939902][ T1574] CR2: 000055dfdb5e2d5c CR3: 0000000012729005 CR4: 0000000000771ef0
[   88.940098][ T1574] PKRU: 55555554
[   88.940192][ T1574] Call Trace:
[   88.940288][ T1574]  <TASK>
[   88.940354][ T1574]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.940483][ T1574]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.940584][ T1574]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   88.940712][ T1574]  __dev_notify_flags (net/core/dev.c:9787)
[   88.940842][ T1574]  ? netif_change_name (net/core/dev.c:1495)
[   88.940979][ T1574]  ? __dev_change_flags (net/core/dev.c:9752)
[   88.941108][ T1574]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   88.941236][ T1574]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   88.941396][ T1574]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   88.941531][ T1574]  netif_change_flags (net/core/dev.c:9820)
[   88.941660][ T1574]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   88.941790][ T1574]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   88.941928][ T1574]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   88.942088][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.942217][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.942344][ T1574]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.942473][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.942604][ T1574]  ? __kernel_text_address (kernel/extable.c:79)
[   88.942731][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.942861][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.943000][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.943129][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.943255][ T1574]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.943384][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.943514][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.943641][ T1574]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   88.943771][ T1574]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   88.943905][ T1574]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   88.944039][ T1574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   88.944168][ T1574]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   88.944295][ T1574]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.944427][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   88.944560][ T1574]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   88.944690][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.944817][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.944956][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.945087][ T1574]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   88.945213][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.945344][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.945471][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.945602][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.945731][ T1574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.945860][ T1574]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   88.946001][ T1574]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   88.946127][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.946255][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.946385][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.946517][ T1574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.946645][ T1574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.946774][ T1574]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   88.946908][ T1574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.947042][ T1574]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.947173][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.947300][ T1574]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.947430][ T1574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.947649][ T1574]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.947778][ T1574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.947917][ T1574]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   88.948047][ T1574]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   88.948260][ T1574]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   88.948388][ T1574]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   88.948519][ T1574]  ? copy_msghdr_from_user (net/socket.c:2635)
[   88.948646][ T1574]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   88.948805][ T1574]  ? move_addr_to_kernel (net/socket.c:258)
[   88.948945][ T1574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.949074][ T1574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   88.949287][ T1574]  ___sys_sendmsg (net/socket.c:2752)
[   88.949415][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   88.949580][ T1574]  ? copy_msghdr_from_user (net/socket.c:2603)
[   88.949720][ T1574]  __sys_sendmsg (net/socket.c:2784)
[   88.949848][ T1574]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   88.949987][ T1574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   88.950149][ T1574]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.950278][ T1574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.950406][ T1574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.950539][ T1574]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   88.950668][ T1574]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   88.950794][ T1574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.951049][ T1574] RIP: 0033:0x7f269b6aa08e
[   88.951183][ T1574] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.951643][ T1574] RSP: 002b:00007ffe38de1d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.951835][ T1574] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f269b6aa08e
[   88.952037][ T1574] RDX: 0000000000000000 RSI: 00007ffe38de1e00 RDI: 0000000000000005
[   88.952227][ T1574] RBP: 00007ffe38de1d60 R08: 0000000000000000 R09: 0000000000000000
[   88.952420][ T1574] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   88.952614][ T1574] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe38de24d0
| [   89.047147][ T1577] ------------[ cut here ]------------
| [   89.047294][ T1577] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1577
| [   89.047552][ T1577] Modules linked in:
| [   89.047919][ T1577] Tainted: [W]=WARN
[   89.048018][ T1577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.048177][ T1577] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.048344][ T1577] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.048805][ T1577] RSP: 0018:ffa0000004807020 EFLAGS: 00010286
[   89.048977][ T1577] RAX: 00000000ffffffa6 RBX: ff1100000d473c40 RCX: 1ff4000000900dca
[   89.049169][ T1577] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d473cfc
[   89.049360][ T1577] RBP: ff1100000ed04000 R08: 1fe2200001a8e7a1 R09: ff11000009650b58
[   89.049551][ T1577] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   89.049742][ T1577] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   89.049943][ T1577] FS:  00007f388b81b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   89.050167][ T1577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.050326][ T1577] CR2: 000000000dde8988 CR3: 00000000103ca002 CR4: 0000000000771ef0
[   89.050520][ T1577] PKRU: 55555554
[   89.050615][ T1577] Call Trace:
[   89.050711][ T1577]  <TASK>
[   89.050777][ T1577]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.050917][ T1577]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.051017][ T1577]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   89.051146][ T1577]  __dev_notify_flags (net/core/dev.c:9787)
[   89.051275][ T1577]  ? netif_change_name (net/core/dev.c:1495)
[   89.051404][ T1577]  ? __dev_change_flags (net/core/dev.c:9752)
[   89.051538][ T1577]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   89.051669][ T1577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.051797][ T1577]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   89.051938][ T1577]  netif_change_flags (net/core/dev.c:9820)
[   89.052069][ T1577]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.052198][ T1577]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   89.052329][ T1577]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   89.052458][ T1577]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.052622][ T1577]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.052749][ T1577]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.052880][ T1577]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.053014][ T1577]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.053144][ T1577]  ? __kernel_text_address (kernel/extable.c:79)
[   89.053274][ T1577]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.053402][ T1577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.053533][ T1577]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.053661][ T1577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.053789][ T1577]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.053927][ T1577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.054055][ T1577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.054184][ T1577]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   89.054314][ T1577]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   89.054443][ T1577]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   89.054574][ T1577]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.054704][ T1577]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.054836][ T1577]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   89.054980][ T1577]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.055110][ T1577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.055237][ T1577]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.055365][ T1577]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.055493][ T1577]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.055624][ T1577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.055756][ T1577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.055888][ T1577]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.056019][ T1577]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.056147][ T1577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.056276][ T1577]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.056404][ T1577]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.056535][ T1577]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.056664][ T1577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.056790][ T1577]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.056928][ T1577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.057055][ T1577]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.057183][ T1577]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.057310][ T1577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.057437][ T1577]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.057572][ T1577]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.057698][ T1577]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.057827][ T1577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.057973][ T1577]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.058102][ T1577]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.058229][ T1577]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.058358][ T1577]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.058489][ T1577]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.058620][ T1577]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.058747][ T1577]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.058879][ T1577]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.059043][ T1577]  ? move_addr_to_kernel (net/socket.c:258)
[   89.059171][ T1577]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.059300][ T1577]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.059430][ T1577]  ___sys_sendmsg (net/socket.c:2752)
[   89.059562][ T1577]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   89.059721][ T1577]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.059860][ T1577]  __sys_sendmsg (net/socket.c:2784)
[   89.059999][ T1577]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.060126][ T1577]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   89.060287][ T1577]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.060416][ T1577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.060548][ T1577]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.060674][ T1577]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.060801][ T1577]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.060940][ T1577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.061100][ T1577] RIP: 0033:0x7f388ba5508e
[   89.061233][ T1577] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.061691][ T1577] RSP: 002b:00007fff65769ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.061887][ T1577] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f388ba5508e
[   89.062084][ T1577] RDX: 0000000000000000 RSI: 00007fff65769f50 RDI: 0000000000000005
[   89.062276][ T1577] RBP: 00007fff65769eb0 R08: 0000000000000000 R09: 0000000000000000
[   89.062464][ T1577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   89.062657][ T1577] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6576a620
| [   89.065063][   T71] ------------[ cut here ]------------
| [   89.065224][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   89.065506][   T71] Modules linked in:
| [   89.065986][   T71] Tainted: [W]=WARN
[   89.066121][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.066315][   T71] Workqueue: events_unbound linkwatch_event
[   89.066517][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.066719][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.067217][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   89.067413][   T71] RAX: 00000000ffffffa6 RBX: ff1100000a16b380 RCX: 1ff4000000098f02
[   89.067641][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b43c
[   89.067861][   T71] RBP: ff1100000ed04000 R08: 1fe220000142d689 R09: ff11000009d32ea8
[   89.068111][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   89.068331][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.068560][   T71] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   89.068810][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.069024][   T71] CR2: 00007fd7369efc20 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   89.069245][   T71] PKRU: 55555554
[   89.069378][   T71] Call Trace:
[   89.069513][   T71]  <TASK>
[   89.069624][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.069790][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.069978][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.070117][   T71]  netif_state_change (net/core/dev.c:1605)
[   89.070282][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   89.070475][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   89.070646][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   89.070810][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.070999][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   89.071162][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   89.071326][   T71]  process_one_work (kernel/workqueue.c:3314)
[   89.071494][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.071664][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.071833][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.072016][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.072181][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   89.072346][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.072510][   T71]  kthread (kernel/kthread.c:436)
[   89.072651][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.072843][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.073025][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.073193][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.073383][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.073552][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.073718][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.075973][   T71] ------------[ cut here ]------------
| [   89.076164][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/71
| [   89.076440][   T71] Modules linked in:
| [   89.076922][   T71] Tainted: [W]=WARN
[   89.077058][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.077250][   T71] Workqueue: events_unbound linkwatch_event
[   89.077449][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.077665][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.078163][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   89.078356][   T71] RAX: 00000000ffffffa6 RBX: ff1100000a16a200 RCX: 1ff4000000098f02
[   89.078584][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16a2bc
[   89.078804][   T71] RBP: ff11000010929000 R08: 1fe220000142d459 R09: ff11000009d32ea8
[   89.079047][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   89.079268][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.079489][   T71] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   89.079745][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.079959][   T71] CR2: 00007fd7369efc20 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   89.080189][   T71] PKRU: 55555554
[   89.080322][   T71] Call Trace:
[   89.080457][   T71]  <TASK>
[   89.080573][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.080772][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.080956][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.081095][   T71]  netif_state_change (net/core/dev.c:1605)
[   89.081261][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   89.081455][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   89.081626][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   89.081792][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.081983][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   89.082152][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   89.082318][   T71]  process_one_work (kernel/workqueue.c:3314)
[   89.082487][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.082656][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.082827][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.083019][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.083190][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   89.083358][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.083527][   T71]  kthread (kernel/kthread.c:436)
[   89.083665][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.083859][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.084047][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.084217][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.084441][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.084613][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.084782][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.207150][ T1582] ------------[ cut here ]------------
| [   89.207297][ T1582] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1582
| [   89.207558][ T1582] Modules linked in:
| [   89.207938][ T1582] Tainted: [W]=WARN
[   89.208036][ T1582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.208198][ T1582] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.208368][ T1582] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.208828][ T1582] RSP: 0018:ffa0000004857020 EFLAGS: 00010286
[   89.209004][ T1582] RAX: 00000000ffffffa6 RBX: ff1100000c04b700 RCX: 1ff400000090adca
[   89.209196][ T1582] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b7bc
[   89.209388][ T1582] RBP: ff1100000fff4000 R08: 1fe22000018096f9 R09: ff110000104b2e58
[   89.209582][ T1582] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   89.209773][ T1582] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   89.209978][ T1582] FS:  00007f90fb344840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   89.210202][ T1582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.210363][ T1582] CR2: 00000000335cd988 CR3: 0000000010a1f006 CR4: 0000000000771ef0
[   89.210562][ T1582] PKRU: 55555554
[   89.210658][ T1582] Call Trace:
[   89.210754][ T1582]  <TASK>
[   89.210821][ T1582]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.210963][ T1582]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.211062][ T1582]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   89.211191][ T1582]  __dev_notify_flags (net/core/dev.c:9787)
[   89.211323][ T1582]  ? netif_change_name (net/core/dev.c:1495)
[   89.211453][ T1582]  ? __dev_change_flags (net/core/dev.c:9752)
[   89.211585][ T1582]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   89.211714][ T1582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.211846][ T1582]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   89.211988][ T1582]  netif_change_flags (net/core/dev.c:9820)
[   89.212117][ T1582]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.212249][ T1582]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   89.212381][ T1582]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   89.212513][ T1582]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.212673][ T1582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.212800][ T1582]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.212940][ T1582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.213069][ T1582]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.213199][ T1582]  ? __kernel_text_address (kernel/extable.c:79)
[   89.213328][ T1582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.213460][ T1582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.213592][ T1582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.213722][ T1582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.213852][ T1582]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.214050][ T1582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.214234][ T1582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.214363][ T1582]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   89.214493][ T1582]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   89.214626][ T1582]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   89.214756][ T1582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.214948][ T1582]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.215079][ T1582]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   89.215211][ T1582]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.215343][ T1582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.215473][ T1582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.215605][ T1582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.215734][ T1582]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.215862][ T1582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.216055][ T1582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.216184][ T1582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.216313][ T1582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.216442][ T1582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.216576][ T1582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.216705][ T1582]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.216833][ T1582]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.217022][ T1582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.217151][ T1582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.217282][ T1582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.217413][ T1582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.217550][ T1582]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.217679][ T1582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.217806][ T1582]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.218000][ T1582]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.218128][ T1582]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.218260][ T1582]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.218390][ T1582]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.218521][ T1582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.218651][ T1582]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.218782][ T1582]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.218981][ T1582]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.219112][ T1582]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.219242][ T1582]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.219369][ T1582]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.219532][ T1582]  ? move_addr_to_kernel (net/socket.c:258)
[   89.219663][ T1582]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.219792][ T1582]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.220015][ T1582]  ___sys_sendmsg (net/socket.c:2752)
[   89.220143][ T1582]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   89.220303][ T1582]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.220443][ T1582]  __sys_sendmsg (net/socket.c:2784)
[   89.220577][ T1582]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.220707][ T1582]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   89.220942][ T1582]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.221073][ T1582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.221202][ T1582]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.221331][ T1582]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.221459][ T1582]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.221591][ T1582]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.221751][ T1582] RIP: 0033:0x7f90fb57e08e
[   89.221921][ T1582] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.222380][ T1582] RSP: 002b:00007ffdacc14990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.222578][ T1582] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f90fb57e08e
[   89.222770][ T1582] RDX: 0000000000000000 RSI: 00007ffdacc14a40 RDI: 0000000000000005
[   89.222972][ T1582] RBP: 00007ffdacc149a0 R08: 0000000000000000 R09: 0000000000000000
[   89.223163][ T1582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   89.223353][ T1582] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdacc15110
| [   89.225726][   T71] ------------[ cut here ]------------
| [   89.225858][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/71
| [   89.226144][   T71] Modules linked in:
| [   89.226517][   T71] Tainted: [W]=WARN
[   89.226610][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.226758][   T71] Workqueue: events_unbound linkwatch_event
[   89.226923][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.227078][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.227507][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   89.227657][   T71] RAX: 00000000ffffffa6 RBX: ff11000010abb1c0 RCX: 1ff4000000098f02
[   89.227832][   T71] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb27c
[   89.228030][   T71] RBP: ff1100000b6d4000 R08: 1fe2200002157651 R09: ff11000009d32ea8
[   89.228209][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   89.228383][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.228563][   T71] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   89.228771][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.228930][   T71] CR2: 00007fa18e28dc70 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[   89.229108][   T71] PKRU: 55555554
[   89.229197][   T71] Call Trace:
[   89.229285][   T71]  <TASK>
[   89.229346][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.229464][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.229586][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.229681][   T71]  netif_state_change (net/core/dev.c:1605)
[   89.229800][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   89.229958][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   89.230075][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   89.230193][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.230312][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   89.230427][   T71]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   89.230548][   T71]  process_one_work (kernel/workqueue.c:3314)
[   89.230670][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.230788][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.230919][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.231040][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.231157][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   89.231277][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.231394][   T71]  kthread (kernel/kthread.c:436)
[   89.231483][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.231633][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.231750][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.231877][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.232029][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.232150][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.232269][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.266164][ T1583] ------------[ cut here ]------------
| [   89.266306][ T1583] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1583
| [   89.266563][ T1583] Modules linked in:
| [   89.267169][ T1583] Tainted: [W]=WARN
[   89.267267][ T1583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.267424][ T1583] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.267592][ T1583] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.268067][ T1583] RSP: 0018:ffa0000004867150 EFLAGS: 00010286
[   89.268226][ T1583] RAX: 00000000ffffffa6 RBX: ff1100000fe918c0 RCX: 1ff400000090cdf0
[   89.268418][ T1583] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9197c
[   89.268608][ T1583] RBP: ff1100000fff4000 R08: 1fe2200001fd2331 R09: ff1100000f165158
[   89.268800][ T1583] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   89.269000][ T1583] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f35b140
[   89.269191][ T1583] FS:  00007f7678e0a840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   89.269410][ T1583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.269571][ T1583] CR2: 00000000004eba70 CR3: 000000000ef0f001 CR4: 0000000000771ef0
[   89.269761][ T1583] PKRU: 55555554
[   89.269856][ T1583] Call Trace:
[   89.269963][ T1583]  <TASK>
[   89.270030][ T1583]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.270162][ T1583]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.270290][ T1583]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.270388][ T1583]  netif_state_change (net/core/dev.c:1605)
[   89.270519][ T1583]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   89.270677][ T1583]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   89.270834][ T1583]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   89.270972][ T1583]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   89.271099][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.271223][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.271349][ T1583]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   89.271476][ T1583]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.271605][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.271731][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.271879][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.272010][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.272139][ T1583]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.272265][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.272392][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.272524][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.272653][ T1583]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   89.272781][ T1583]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.272916][ T1583]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.273044][ T1583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.273169][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.273298][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.273423][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.273551][ T1583]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.273675][ T1583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.273802][ T1583]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.273947][ T1583]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.274073][ T1583]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.274199][ T1583]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.274326][ T1583]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.274453][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.274582][ T1583]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.274711][ T1583]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.274838][ T1583]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.274982][ T1583]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.275108][ T1583]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.275233][ T1583]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.275390][ T1583]  ? move_addr_to_kernel (net/socket.c:258)
[   89.275518][ T1583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.275645][ T1583]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.275801][ T1583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.275939][ T1583]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.276098][ T1583]  ___sys_sendmsg (net/socket.c:2752)
[   89.276225][ T1583]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.276351][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.276484][ T1583]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   89.276611][ T1583]  ? do_getsockname (net/socket.c:2192)
[   89.276739][ T1583]  __sys_sendmsg (net/socket.c:2784)
[   89.276864][ T1583]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.277006][ T1583]  ? __sys_getsockname (net/socket.c:2210)
[   89.277132][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.277260][ T1583]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.277386][ T1583]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.277516][ T1583]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.277643][ T1583]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.277800][ T1583] RIP: 0033:0x7f767904408e
[   89.277942][ T1583] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.278391][ T1583] RSP: 002b:00007ffecd232d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.278582][ T1583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f767904408e
[   89.278770][ T1583] RDX: 0000000000000000 RSI: 00007ffecd232e30 RDI: 0000000000000006
[   89.278969][ T1583] RBP: 00007ffecd232d90 R08: 0000000000000000 R09: 0000000000000000
[   89.279156][ T1583] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   89.279342][ T1583] R13: 00007ffecd232ee0 R14: 00007ffecd23684c R15: 0000000000000000
| [   89.453446][ T1589] ------------[ cut here ]------------
| [   89.453641][ T1589] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1589
| [   89.454655][ T1589] Modules linked in:
| [   89.455260][ T1589] Tainted: [W]=WARN
[   89.455402][ T1589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.455618][ T1589] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.455835][ T1589] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.456363][ T1589] RSP: 0018:ffa00000048b71b0 EFLAGS: 00010286
[   89.456584][ T1589] RAX: 00000000ffffffa6 RBX: ff1100000901f000 RCX: 1ff4000000916dfc
[   89.456826][ T1589] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901f0bc
[   89.457090][ T1589] RBP: ff110000092c4000 R08: 1fe2200001203e19 R09: ff1100000f0bd180
[   89.457331][ T1589] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   89.457581][ T1589] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   89.457824][ T1589] FS:  00007fd8581ff840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   89.458125][ T1589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.458339][ T1589] CR2: 00000000004a2860 CR3: 0000000002585004 CR4: 0000000000771ef0
[   89.458590][ T1589] PKRU: 55555554
[   89.458735][ T1589] Call Trace:
[   89.458891][ T1589]  <TASK>
[   89.459015][ T1589]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.459196][ T1589]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.459344][ T1589]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   89.459527][ T1589]  __dev_notify_flags (net/core/dev.c:9787)
[   89.459709][ T1589]  ? netif_change_name (net/core/dev.c:1495)
[   89.459898][ T1589]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   89.460087][ T1589]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   89.460266][ T1589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.460444][ T1589]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   89.460630][ T1589]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   89.460808][ T1589]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   89.461014][ T1589]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   89.461196][ T1589]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   89.461377][ T1589]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   89.461562][ T1589]  ? __dev_get_by_name (net/core/dev.c:883)
[   89.461741][ T1589]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   89.461948][ T1589]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   89.462132][ T1589]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.462312][ T1589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.462492][ T1589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.462678][ T1589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.462855][ T1589]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.463057][ T1589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.463242][ T1589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.463421][ T1589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.463609][ T1589]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.463788][ T1589]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.463992][ T1589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.464171][ T1589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.464354][ T1589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.464534][ T1589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.464714][ T1589]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.464905][ T1589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.465091][ T1589]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.465273][ T1589]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.465452][ T1589]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.465641][ T1589]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.465821][ T1589]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.466021][ T1589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.466204][ T1589]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.466384][ T1589]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.466570][ T1589]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.466753][ T1589]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.466955][ T1589]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.467134][ T1589]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.467343][ T1589]  ? move_addr_to_kernel (net/socket.c:258)
[   89.467532][ T1589]  ___sys_sendmsg (net/socket.c:2752)
[   89.467713][ T1589]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.467908][ T1589]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.468135][ T1589]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   89.468317][ T1589]  __sys_sendmsg (net/socket.c:2784)
[   89.468496][ T1589]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.468688][ T1589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.468881][ T1589]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.469070][ T1589]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.469249][ T1589]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.469430][ T1589]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.469650][ T1589] RIP: 0033:0x7fd85843908e
[   89.469835][ T1589] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.470370][ T1589] RSP: 002b:00007ffe87397a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.470626][ T1589] RAX: ffffffffffffffda RBX: 00007ffe873981f8 RCX: 00007fd85843908e
[   89.470881][ T1589] RDX: 0000000000000000 RSI: 00007ffe87397b00 RDI: 0000000000000005
[   89.471128][ T1589] RBP: 00007ffe87397a60 R08: 0000000000000000 R09: 0000000000000000
[   89.471369][ T1589] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   89.471620][ T1589] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe873981d0
| [   89.494604][ T1590] ------------[ cut here ]------------
| [   89.494749][ T1590] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1590
| [   89.495021][ T1590] Modules linked in:
| [   89.495385][ T1590] Tainted: [W]=WARN
[   89.495484][ T1590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.495646][ T1590] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.495813][ T1590] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.496285][ T1590] RSP: 0018:ffa00000048c7020 EFLAGS: 00010286
[   89.496446][ T1590] RAX: 00000000ffffffa6 RBX: ff1100000d6d78c0 RCX: 1ff4000000918dca
[   89.496644][ T1590] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d797c
[   89.496836][ T1590] RBP: ff110000092c4000 R08: 1fe2200001adaf31 R09: ff1100000f0bae58
[   89.497043][ T1590] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   89.497237][ T1590] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   89.497432][ T1590] FS:  00007f495b5ee840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   89.497663][ T1590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.497826][ T1590] CR2: 0000000017904988 CR3: 000000000de50004 CR4: 0000000000771ef0
[   89.498034][ T1590] PKRU: 55555554
[   89.498130][ T1590] Call Trace:
[   89.498226][ T1590]  <TASK>
[   89.498293][ T1590]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.498425][ T1590]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.498526][ T1590]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   89.498655][ T1590]  __dev_notify_flags (net/core/dev.c:9787)
[   89.498787][ T1590]  ? netif_change_name (net/core/dev.c:1495)
[   89.499323][ T1590]  ? __dev_change_flags (net/core/dev.c:9752)
[   89.499454][ T1590]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   89.499584][ T1590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.499714][ T1590]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   89.499846][ T1590]  netif_change_flags (net/core/dev.c:9820)
[   89.499987][ T1590]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.500119][ T1590]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   89.500252][ T1590]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   89.500382][ T1590]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.500547][ T1590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.500676][ T1590]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.500805][ T1590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.500948][ T1590]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.501080][ T1590]  ? __kernel_text_address (kernel/extable.c:79)
[   89.501210][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.501341][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.501470][ T1590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.501604][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.501734][ T1590]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.501863][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.502005][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.502134][ T1590]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   89.502264][ T1590]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   89.502394][ T1590]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   89.502527][ T1590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.502657][ T1590]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.502790][ T1590]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   89.502936][ T1590]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.503069][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.503199][ T1590]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.503330][ T1590]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.503460][ T1590]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.503593][ T1590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.503726][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.503856][ T1590]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.504000][ T1590]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.504130][ T1590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.504261][ T1590]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.504392][ T1590]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.504523][ T1590]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.504653][ T1590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.504783][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.504927][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.505057][ T1590]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.505188][ T1590]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.505318][ T1590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.505448][ T1590]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.505585][ T1590]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.505715][ T1590]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.505846][ T1590]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.505990][ T1590]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.506120][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.506250][ T1590]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.506380][ T1590]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.506517][ T1590]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.506649][ T1590]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.506779][ T1590]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.506917][ T1590]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.507080][ T1590]  ? move_addr_to_kernel (net/socket.c:258)
[   89.507211][ T1590]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.507341][ T1590]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.507471][ T1590]  ___sys_sendmsg (net/socket.c:2752)
[   89.507605][ T1590]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   89.507767][ T1590]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.507921][ T1590]  __sys_sendmsg (net/socket.c:2784)
[   89.508052][ T1590]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.508180][ T1590]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   89.508346][ T1590]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.508476][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.508613][ T1590]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.508741][ T1590]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.508875][ T1590]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.509013][ T1590]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.509173][ T1590] RIP: 0033:0x7f495b82808e
[   89.509309][ T1590] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.509773][ T1590] RSP: 002b:00007ffda8ba7520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.509987][ T1590] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f495b82808e
[   89.510180][ T1590] RDX: 0000000000000000 RSI: 00007ffda8ba75d0 RDI: 0000000000000005
[   89.510374][ T1590] RBP: 00007ffda8ba7530 R08: 0000000000000000 R09: 0000000000000000
[   89.510570][ T1590] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   89.510764][ T1590] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8ba7ca0
| [   89.655903][ T1595] ------------[ cut here ]------------
| [   89.656059][ T1595] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1595
| [   89.656329][ T1595] Modules linked in:
| [   89.656706][ T1595] Tainted: [W]=WARN
[   89.656806][ T1595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.657227][ T1595] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.657401][ T1595] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.657973][ T1595] RSP: 0018:ffa00000049171b0 EFLAGS: 00010286
[   89.658144][ T1595] RAX: 00000000ffffffa6 RBX: ff1100000dc26040 RCX: 1ff4000000922dfc
[   89.658343][ T1595] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc260fc
[   89.658545][ T1595] RBP: ff11000012719000 R08: 1fe2200001b84c21 R09: ff11000008ded180
[   89.658742][ T1595] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   89.659039][ T1595] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[   89.659309][ T1595] FS:  00007eff2cf49840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   89.659547][ T1595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.659714][ T1595] CR2: 00000000004a2860 CR3: 000000000de50003 CR4: 0000000000771ef0
[   89.659975][ T1595] PKRU: 55555554
[   89.660076][ T1595] Call Trace:
[   89.660176][ T1595]  <TASK>
[   89.660245][ T1595]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.660381][ T1595]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.660482][ T1595]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.660616][ T1595]  __dev_notify_flags (net/core/dev.c:9787)
[   89.660752][ T1595]  ? netif_change_name (net/core/dev.c:1495)
[   89.660948][ T1595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.661081][ T1595]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.661215][ T1595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.661349][ T1595]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.661482][ T1595]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   89.661618][ T1595]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   89.661753][ T1595]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   89.661950][ T1595]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   89.662086][ T1595]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   89.662221][ T1595]  ? __dev_get_by_name (net/core/dev.c:883)
[   89.662354][ T1595]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   89.662492][ T1595]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   89.662638][ T1595]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.662772][ T1595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.662925][ T1595]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.663059][ T1595]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.663192][ T1595]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.663323][ T1595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.663459][ T1595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.663597][ T1595]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.663730][ T1595]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.663862][ T1595]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.664006][ T1595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.664139][ T1595]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.664272][ T1595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.664403][ T1595]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.664540][ T1595]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.664673][ T1595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.664807][ T1595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.664955][ T1595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.665087][ T1595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.665222][ T1595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.665355][ T1595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.665490][ T1595]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.665629][ T1595]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.665762][ T1595]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.665901][ T1595]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.666041][ T1595]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.666174][ T1595]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.666306][ T1595]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.666470][ T1595]  ? move_addr_to_kernel (net/socket.c:258)
[   89.666610][ T1595]  ___sys_sendmsg (net/socket.c:2752)
[   89.666745][ T1595]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.666887][ T1595]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.667060][ T1595]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   89.667195][ T1595]  __sys_sendmsg (net/socket.c:2784)
[   89.667329][ T1595]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.667466][ T1595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.667604][ T1595]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.667738][ T1595]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.667877][ T1595]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.668015][ T1595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.668180][ T1595] RIP: 0033:0x7eff2d18308e
[   89.668320][ T1595] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.668794][ T1595] RSP: 002b:00007ffc4188d060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.669007][ T1595] RAX: ffffffffffffffda RBX: 00007ffc4188d808 RCX: 00007eff2d18308e
[   89.669205][ T1595] RDX: 0000000000000000 RSI: 00007ffc4188d110 RDI: 0000000000000005
[   89.669402][ T1595] RBP: 00007ffc4188d070 R08: 0000000000000000 R09: 0000000000000000
[   89.669605][ T1595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   89.669804][ T1595] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4188d7e0
| [   89.704795][ T1596] ------------[ cut here ]------------
| [   89.704986][ T1596] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1596
| [   89.705288][ T1596] Modules linked in:
| [   89.705745][ T1596] Tainted: [W]=WARN
[   89.705904][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.706121][ T1596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.706332][ T1596] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.706838][ T1596] RSP: 0018:ffa0000004927020 EFLAGS: 00010286
[   89.707489][ T1596] RAX: 00000000ffffffa6 RBX: ff1100000d513700 RCX: 1ff4000000924dca
[   89.707729][ T1596] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5137bc
[   89.707987][ T1596] RBP: ff11000012719000 R08: 1fe2200001aa26f9 R09: ff11000008deae58
[   89.708228][ T1596] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   89.708465][ T1596] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   89.708716][ T1596] FS:  00007f94ca9c8840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   89.709004][ T1596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.709213][ T1596] CR2: 0000000014f91988 CR3: 0000000002585001 CR4: 0000000000771ef0
[   89.709453][ T1596] PKRU: 55555554
[   89.709605][ T1596] Call Trace:
[   89.709748][ T1596]  <TASK>
[   89.709862][ T1596]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.710061][ T1596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.710208][ T1596]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   89.710383][ T1596]  __dev_notify_flags (net/core/dev.c:9787)
[   89.710567][ T1596]  ? netif_change_name (net/core/dev.c:1495)
[   89.710745][ T1596]  ? __dev_change_flags (net/core/dev.c:9752)
[   89.710940][ T1596]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   89.711118][ T1596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.711295][ T1596]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   89.711474][ T1596]  netif_change_flags (net/core/dev.c:9820)
[   89.711658][ T1596]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.711836][ T1596]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   89.712036][ T1596]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   89.712216][ T1596]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.712425][ T1596]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.712608][ T1596]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.712786][ T1596]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.712982][ T1596]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.713161][ T1596]  ? __kernel_text_address (kernel/extable.c:79)
[   89.713339][ T1596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.713520][ T1596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.713699][ T1596]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.713889][ T1596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.714075][ T1596]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.714249][ T1596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.714425][ T1596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.714610][ T1596]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   89.714787][ T1596]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   89.714983][ T1596]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   89.715161][ T1596]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.715339][ T1596]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.715523][ T1596]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   89.715703][ T1596]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.715895][ T1596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.716077][ T1596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.716254][ T1596]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.716427][ T1596]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.716613][ T1596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.716792][ T1596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.716988][ T1596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.717164][ T1596]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.717341][ T1596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.717522][ T1596]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.717700][ T1596]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.717891][ T1596]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.718076][ T1596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.718251][ T1596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.718428][ T1596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.718611][ T1596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.718788][ T1596]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.718984][ T1596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.719162][ T1596]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.719341][ T1596]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.719517][ T1596]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.719698][ T1596]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.719890][ T1596]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.720076][ T1596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.720254][ T1596]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.720431][ T1596]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.720617][ T1596]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.720795][ T1596]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.720991][ T1596]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.721167][ T1596]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.721372][ T1596]  ? move_addr_to_kernel (net/socket.c:258)
[   89.721555][ T1596]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.721730][ T1596]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.721926][ T1596]  ___sys_sendmsg (net/socket.c:2752)
[   89.722104][ T1596]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   89.722312][ T1596]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.722498][ T1596]  __sys_sendmsg (net/socket.c:2784)
[   89.722682][ T1596]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.722856][ T1596]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   89.723088][ T1596]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.723265][ T1596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.723443][ T1596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.723625][ T1596]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.723800][ T1596]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.723998][ T1596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.724207][ T1596] RIP: 0033:0x7f94cac0208e
[   89.724386][ T1596] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.724904][ T1596] RSP: 002b:00007ffc8891cc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.725152][ T1596] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94cac0208e
[   89.725391][ T1596] RDX: 0000000000000000 RSI: 00007ffc8891cd30 RDI: 0000000000000005
[   89.725636][ T1596] RBP: 00007ffc8891cc90 R08: 0000000000000000 R09: 0000000000000000
[   89.725884][ T1596] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd45
[   89.726127][ T1596] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8891d400
| [   89.863282][ T1601] ------------[ cut here ]------------
| [   89.863431][ T1601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1601
| [   89.863694][ T1601] Modules linked in:
| [   89.864072][ T1601] Tainted: [W]=WARN
[   89.864169][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.864328][ T1601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.864494][ T1601] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   89.864966][ T1601] RSP: 0018:ffa0000004977060 EFLAGS: 00010286
[   89.865127][ T1601] RAX: 00000000ffffffa6 RBX: ff1100000ee511c0 RCX: 1ff400000092edd2
[   89.865318][ T1601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5127c
[   89.865509][ T1601] RBP: ff1100000b6d4000 R08: 1fe2200001dca251 R09: ff1100000fc32e58
[   89.865700][ T1601] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   89.865896][ T1601] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   89.866096][ T1601] FS:  00007fec72a23840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   89.866319][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.866480][ T1601] CR2: 00000000304db988 CR3: 0000000012adc004 CR4: 0000000000771ef0
[   89.866675][ T1601] PKRU: 55555554
[   89.866771][ T1601] Call Trace:
[   89.866872][ T1601]  <TASK>
[   89.866945][ T1601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.867074][ T1601]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   89.867203][ T1601]  notifier_call_chain (kernel/notifier.c:85)
[   89.867334][ T1601]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   89.867462][ T1601]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   89.867593][ T1601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.867723][ T1601]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   89.867851][ T1601]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   89.867993][ T1601]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[   89.868123][ T1601]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   89.868251][ T1601]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.868409][ T1601]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.868539][ T1601]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.868669][ T1601]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.868796][ T1601]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.869344][ T1601]  ? __kernel_text_address (kernel/extable.c:79)
[   89.869474][ T1601]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.869606][ T1601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.869733][ T1601]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.869860][ T1601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.870000][ T1601]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.870126][ T1601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.870251][ T1601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.870377][ T1601]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   89.870505][ T1601]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   89.870634][ T1601]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   89.870761][ T1601]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.870895][ T1601]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.871027][ T1601]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.871157][ T1601]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   89.871286][ T1601]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.871413][ T1601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.871542][ T1601]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.871668][ T1601]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.871795][ T1601]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.871932][ T1601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.872061][ T1601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.872188][ T1601]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.872314][ T1601]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.872440][ T1601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.872570][ T1601]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.872697][ T1601]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.872823][ T1601]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.872965][ T1601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.873093][ T1601]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.873221][ T1601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.873349][ T1601]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.873477][ T1601]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.873607][ T1601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.873735][ T1601]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.873865][ T1601]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.874005][ T1601]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.874134][ T1601]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.874262][ T1601]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.874390][ T1601]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.874521][ T1601]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.874649][ T1601]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.874777][ T1601]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.874919][ T1601]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.875048][ T1601]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.875176][ T1601]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.875334][ T1601]  ? move_addr_to_kernel (net/socket.c:258)
[   89.875462][ T1601]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.875593][ T1601]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.875721][ T1601]  ___sys_sendmsg (net/socket.c:2752)
[   89.875849][ T1601]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   89.876018][ T1601]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.876158][ T1601]  __sys_sendmsg (net/socket.c:2784)
[   89.876285][ T1601]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.876413][ T1601]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   89.876577][ T1601]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.876704][ T1601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.876834][ T1601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.876973][ T1601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.877099][ T1601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.877226][ T1601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.877385][ T1601] RIP: 0033:0x7fec72c5d08e
[   89.877520][ T1601] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.877984][ T1601] RSP: 002b:00007ffd9f461030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.878177][ T1601] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fec72c5d08e
[   89.878367][ T1601] RDX: 0000000000000000 RSI: 00007ffd9f4610e0 RDI: 0000000000000005
[   89.878562][ T1601] RBP: 00007ffd9f461040 R08: 0000000000000000 R09: 0000000000000000
[   89.878753][ T1601] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd46
[   89.878951][ T1601] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9f4617b0
| [   97.531920][   T12] ------------[ cut here ]------------
| [   97.532174][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.532499][   T12] Modules linked in:
| [   97.532985][   T12] Tainted: [W]=WARN
[   97.533122][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.533315][   T12] Workqueue: netns cleanup_net
[   97.533486][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.533703][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.534191][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.534386][   T12] RAX: 00000000ffffffa6 RBX: ff110000126bfc40 RCX: 1ff4000000018eed
[   97.534615][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bfcfc
[   97.534841][   T12] RBP: ff110000124ec000 R08: 1fe22000024d7fa1 R09: ff11000001aed1d0
[   97.535081][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.535303][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.535529][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.535784][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.535999][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.536225][   T12] PKRU: 55555554
[   97.536362][   T12] Call Trace:
[   97.536497][   T12]  <TASK>
[   97.536613][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.536812][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.537026][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.537194][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.537361][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.537530][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.537698][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.537883][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.538060][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.538229][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.538393][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.538567][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.538734][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.538914][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.539084][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.539251][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.539416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.539591][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.539775][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.539960][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.540133][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.540303][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.540467][   T12]  kthread (kernel/kthread.c:436)
[   97.540612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.540808][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.540994][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.541166][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.541362][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.541531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.541697][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.544607][   T12] ------------[ cut here ]------------
| [   97.544772][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.545074][   T12] Modules linked in:
| [   97.545524][   T12] Tainted: [W]=WARN
[   97.545671][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.545864][   T12] Workqueue: netns cleanup_net
[   97.546056][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.546258][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.546806][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.547023][   T12] RAX: 00000000ffffffa6 RBX: ff110000126bf380 RCX: 1ff4000000018eed
[   97.547244][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf43c
[   97.547545][   T12] RBP: ff11000010719000 R08: 1fe22000024d7e89 R09: ff11000001aed1d0
[   97.547764][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.548006][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.548304][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.548561][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.548827][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.549073][   T12] PKRU: 55555554
[   97.549207][   T12] Call Trace:
[   97.549340][   T12]  <TASK>
[   97.549447][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.549726][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.549930][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.550105][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.550341][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.550504][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.550677][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.550842][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.551101][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.551267][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.551429][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.551602][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.551838][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.552025][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.552190][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.552356][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.552600][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.552768][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.552957][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.553124][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.553295][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.553466][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.553640][   T12]  kthread (kernel/kthread.c:436)
[   97.553777][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.553998][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.554166][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.554405][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.554637][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.554804][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.555076][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.557982][   T12] ------------[ cut here ]------------
| [   97.558144][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.558426][   T12] Modules linked in:
| [   97.559545][   T12] Tainted: [W]=WARN
[   97.559727][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.559990][   T12] Workqueue: netns cleanup_net
[   97.560208][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.560456][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.560992][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.561243][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceec740 RCX: 1ff4000000018eed
[   97.561510][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec7fc
[   97.561780][   T12] RBP: ff11000009274000 R08: 1fe22000019dd901 R09: ff11000001aed1d0
[   97.562069][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.562337][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.562638][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.562956][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.563197][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.563465][   T12] PKRU: 55555554
[   97.563652][   T12] Call Trace:
[   97.563832][   T12]  <TASK>
[   97.564004][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.564251][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.564488][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.564717][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.565002][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.565268][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.565537][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.565796][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.566000][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.566164][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.566359][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.566531][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.566698][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.566881][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.567057][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.567226][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.567392][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.567565][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.567737][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.567917][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.568097][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.568267][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.568433][   T12]  kthread (kernel/kthread.c:436)
[   97.568578][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.568773][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.568970][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.569139][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.569334][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.569582][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.569749][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.572642][   T12] ------------[ cut here ]------------
| [   97.572803][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.573618][   T12] Modules linked in:
| [   97.574185][   T12] Tainted: [W]=WARN
[   97.574368][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.574613][   T12] Workqueue: netns cleanup_net
[   97.574830][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.575099][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.575623][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.575863][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceed700 RCX: 1ff4000000018eed
[   97.576197][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed7bc
[   97.576480][   T12] RBP: ff1100000ff84000 R08: 1fe22000019ddaf9 R09: ff11000001aed1d0
[   97.576753][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.577041][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.577307][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.577610][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.577932][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.578283][   T12] PKRU: 55555554
[   97.578461][   T12] Call Trace:
[   97.578645][   T12]  <TASK>
[   97.578797][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.579134][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.579376][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.579592][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.579803][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.580110][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.580359][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.580632][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.580909][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.581171][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.581421][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.581684][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.581965][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.582225][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.582475][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.582720][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.582896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.583073][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.583246][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.583412][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.583590][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.583760][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.583939][   T12]  kthread (kernel/kthread.c:436)
[   97.584086][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.584280][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.584449][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.584622][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.584819][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.585010][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.585178][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.587995][   T12] ------------[ cut here ]------------
| [   97.588159][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.588438][   T12] Modules linked in:
| [   97.589395][   T12] Tainted: [W]=WARN
[   97.589885][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.590141][   T12] Workqueue: netns cleanup_net
[   97.590357][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.590612][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.591153][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.591393][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637c40 RCX: 1ff4000000018eed
[   97.591669][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637cfc
[   97.591955][   T12] RBP: ff11000008c19000 R08: 1fe2200001ac6fa1 R09: ff11000001aed1d0
[   97.592224][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.592491][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.592766][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.593093][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.593335][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.593609][   T12] PKRU: 55555554
[   97.593787][   T12] Call Trace:
[   97.593987][   T12]  <TASK>
[   97.594167][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.594458][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.594760][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.594989][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.595157][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.595322][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.595491][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.595663][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.595832][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.596018][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.596187][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.596353][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.596524][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.596694][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.596858][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.597049][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.597215][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.597382][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.597557][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.597722][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.597920][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.598104][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.598272][   T12]  kthread (kernel/kthread.c:436)
[   97.598408][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.598613][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.598780][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.598997][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.599192][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.599357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.599527][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.615162][   T12] ------------[ cut here ]------------
| [   97.615337][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.615637][   T12] Modules linked in:
| [   97.616644][   T12] Tainted: [W]=WARN
[   97.616837][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.617107][   T12] Workqueue: netns cleanup_net
[   97.617338][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.617567][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.618076][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.618279][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637540 RCX: 1ff4000000018eaf
[   97.618512][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6375fc
[   97.618758][   T12] RBP: ff1100000ed04000 R08: 1fe2200001ac6ec1 R09: ff11000001aed1d0
[   97.619014][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   97.619244][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010929000
[   97.619477][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.619744][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.619975][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.620210][   T12] PKRU: 55555554
[   97.620379][   T12] Call Trace:
[   97.620551][   T12]  <TASK>
[   97.620661][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.620837][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.621002][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.621176][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.621344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.621530][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.621703][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.621890][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.622105][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.622309][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.622483][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.622690][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.622863][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.623057][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.623260][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.623435][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.623619][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.623820][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.624017][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.624193][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.624367][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.624542][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.624743][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.624930][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.625116][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.625290][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.625459][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.625642][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.625813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.626012][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.626189][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.626390][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.626574][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.626750][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.626934][   T12]  kthread (kernel/kthread.c:436)
[   97.627085][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.627289][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.627489][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.627667][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.627883][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.628065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.628251][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.631285][   T12] ------------[ cut here ]------------
| [   97.631453][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.631746][   T12] Modules linked in:
| [   97.632544][   T12] Tainted: [W]=WARN
[   97.632734][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.633003][   T12] Workqueue: netns cleanup_net
[   97.633244][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.633502][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.634066][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.634315][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b51c0 RCX: 1ff4000000018eaf
[   97.634595][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b527c
[   97.634889][   T12] RBP: ff11000010929000 R08: 1fe2200001e36a51 R09: ff11000001aed1d0
[   97.635177][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   97.635404][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006001000
[   97.635647][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.635922][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.636132][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.636365][   T12] PKRU: 55555554
[   97.636505][   T12] Call Trace:
[   97.636651][   T12]  <TASK>
[   97.636762][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.636957][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.637131][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.637272][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.637443][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.637619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.637789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.637981][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.638159][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.638362][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.638570][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.638743][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.638961][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.639132][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.639301][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.639502][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.639687][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.639858][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.640053][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.640225][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.640403][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.640586][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.640757][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.640948][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.641123][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.641295][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.641467][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.641644][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.641819][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.642011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.642185][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.642361][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.642533][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.642708][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.642895][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.643080][   T12]  kthread (kernel/kthread.c:436)
[   97.643223][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.643425][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.643602][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.643776][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.643999][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.644171][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.644345][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.647409][   T12] ------------[ cut here ]------------
| [   97.647581][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.648223][   T12] Modules linked in:
| [   97.648796][   T12] Tainted: [W]=WARN
[   97.649016][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.649271][   T12] Workqueue: netns cleanup_net
[   97.649494][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.649757][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.650312][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.650572][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dcc8040 RCX: 1ff4000000018eaf
[   97.650850][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dcc80fc
[   97.651151][   T12] RBP: ff11000006001000 R08: 1fe2200001b99021 R09: ff11000001aed1d0
[   97.651427][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   97.651717][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   97.652019][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.652329][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.652582][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.652920][   T12] PKRU: 55555554
[   97.653119][   T12] Call Trace:
[   97.653307][   T12]  <TASK>
[   97.653467][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.653695][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.653931][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.654146][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.654365][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.654585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.654808][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.655050][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.655270][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.655539][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.655841][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.656135][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.656433][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.656727][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.657060][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.657388][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.657588][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.657759][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.657953][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.658127][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.658303][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.658473][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.658651][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.658821][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.659016][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.659190][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.659364][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.659540][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.659717][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.659901][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.660081][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.660256][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.660426][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.660690][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.660885][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.661065][   T12]  kthread (kernel/kthread.c:436)
[   97.661206][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.661407][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.661587][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.661763][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.661990][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.662243][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.662415][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.665616][   T12] ------------[ cut here ]------------
| [   97.665779][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.666232][   T12] Modules linked in:
| [   97.666781][   T12] Tainted: [W]=WARN
[   97.666988][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.667242][   T12] Workqueue: netns cleanup_net
[   97.667461][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.667719][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.668256][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.668498][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dcc91c0 RCX: 1ff4000000018ed5
[   97.668773][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dcc927c
[   97.669059][   T12] RBP: ff1100000ed04000 R08: 1fe2200001b99251 R09: ff11000001aed1d0
[   97.669327][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.669602][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.669886][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.670199][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.670439][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.670718][   T12] PKRU: 55555554
[   97.670911][   T12] Call Trace:
[   97.671097][   T12]  <TASK>
[   97.671250][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.671493][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.671740][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.671973][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.672186][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.672430][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.672653][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.672923][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.673143][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.673358][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.673577][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.673790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.674022][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.674241][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.674486][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.674816][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.675116][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.675319][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.675486][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.675661][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.675833][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.676020][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.676196][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.676369][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.676539][   T12]  kthread (kernel/kthread.c:436)
[   97.676679][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.676887][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.677065][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.677237][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.677432][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.677608][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.677775][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.680633][   T12] ------------[ cut here ]------------
| [   97.680793][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.681622][   T12] Modules linked in:
| [   97.682189][   T12] Tainted: [W]=WARN
[   97.682373][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.682622][   T12] Workqueue: netns cleanup_net
[   97.682841][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.683109][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.683630][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.683899][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dcc9e00 RCX: 1ff4000000018ed5
[   97.684180][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dcc9ebc
[   97.684450][   T12] RBP: ff11000010929000 R08: 1fe2200001b993d9 R09: ff11000001aed1d0
[   97.684726][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.685021][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.685293][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.685638][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.685927][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.686208][   T12] PKRU: 55555554
[   97.686389][   T12] Call Trace:
[   97.686574][   T12]  <TASK>
[   97.686729][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.686997][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.687242][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.687455][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.687674][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.687973][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.688192][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.688406][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.688628][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.688843][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.689078][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.689291][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.689532][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.689771][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.689956][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.690127][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.690291][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.690460][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.690634][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.690805][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.690999][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.691171][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.691374][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.691557][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.691725][   T12]  kthread (kernel/kthread.c:436)
[   97.691863][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.692083][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.692256][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.692425][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.692630][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.692798][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.692986][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.696143][   T12] ------------[ cut here ]------------
| [   97.696306][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.696626][   T12] Modules linked in:
| [   97.697206][   T12] Tainted: [W]=WARN
[   97.697424][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.697682][   T12] Workqueue: netns cleanup_net
[   97.697938][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.698263][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.698794][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.699062][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceed1c0 RCX: 1ff4000000018ed5
[   97.699339][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed27c
[   97.699616][   T12] RBP: ff11000006001000 R08: 1fe22000019dda51 R09: ff11000001aed1d0
[   97.699902][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.700180][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.700457][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.700765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.701029][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.701302][   T12] PKRU: 55555554
[   97.701498][   T12] Call Trace:
[   97.701687][   T12]  <TASK>
[   97.701843][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.702110][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.702350][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.702569][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.702817][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.703127][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.703376][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.703593][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.703808][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.704046][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.704260][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.704472][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.704696][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.704924][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.705148][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.705361][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.705578][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.705818][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.706104][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.706383][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.706652][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.706924][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.707118][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.707289][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.707455][   T12]  kthread (kernel/kthread.c:436)
[   97.707601][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.707799][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.707984][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.708154][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.708350][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.708520][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.708692][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.747595][   T12] ------------[ cut here ]------------
| [   97.747761][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.748075][   T12] Modules linked in:
| [   97.748526][   T12] Tainted: [W]=WARN
[   97.748662][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.748852][   T12] Workqueue: netns cleanup_net
[   97.749045][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.749247][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.749739][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.749953][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8cac0 RCX: 1ff4000000018eed
[   97.750179][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8cb7c
[   97.750398][   T12] RBP: ff1100000947c000 R08: 1fe2200001951971 R09: ff11000001aed1d0
[   97.750630][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.750849][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.751094][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.751345][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.751543][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.751765][   T12] PKRU: 55555554
[   97.751912][   T12] Call Trace:
[   97.752050][   T12]  <TASK>
[   97.752157][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.752356][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.752556][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.752723][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.752907][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.753078][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.753243][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.753408][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.753585][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.753749][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.753928][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.754104][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.754273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.754469][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.754640][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.754819][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.755008][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.755206][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.755377][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.755546][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.755716][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.755899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.756078][   T12]  kthread (kernel/kthread.c:436)
[   97.756216][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.756411][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.756584][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.756749][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.756963][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.757131][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.757300][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.759952][   T12] ------------[ cut here ]------------
| [   97.760120][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.760392][   T12] Modules linked in:
| [   97.760840][   T12] Tainted: [W]=WARN
[   97.760994][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.761186][   T12] Workqueue: netns cleanup_net
[   97.761355][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.761558][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.762042][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.762235][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8c900 RCX: 1ff4000000018eed
[   97.762453][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8c9bc
[   97.762677][   T12] RBP: ff1100000a3bc000 R08: 1fe2200001951939 R09: ff11000001aed1d0
[   97.762910][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.763134][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.763354][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.763610][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.763803][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.764055][   T12] PKRU: 55555554
[   97.764189][   T12] Call Trace:
[   97.764321][   T12]  <TASK>
[   97.764427][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.764633][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.764823][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.765013][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.765179][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.765343][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.765510][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.765682][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.765847][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.766086][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.766306][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.766522][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.766773][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.767031][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.767251][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.767494][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.767706][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.767935][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.768154][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.768375][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.768588][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.768802][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.769029][   T12]  kthread (kernel/kthread.c:436)
[   97.769210][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.769447][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.769675][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.769898][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.770175][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.770387][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.770609][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.782210][   T12] ------------[ cut here ]------------
| [   97.782373][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.782659][   T12] Modules linked in:
| [   97.783159][   T12] Tainted: [W]=WARN
[   97.783295][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.783487][   T12] Workqueue: netns cleanup_net
[   97.783661][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.783860][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.784339][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.784537][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31ba80 RCX: 1ff4000000018eed
[   97.784757][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31bb3c
[   97.784995][   T12] RBP: ff1100000ffe1000 R08: 1fe2200001a63769 R09: ff11000001aed1d0
[   97.785216][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.785438][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.785667][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.785929][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.786131][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.786350][   T12] PKRU: 55555554
[   97.786483][   T12] Call Trace:
[   97.786622][   T12]  <TASK>
[   97.786729][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.786938][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.787140][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.787305][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.787471][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.787641][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.787806][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.787990][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.788157][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.788321][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.788483][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.788653][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.788820][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.789005][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.789170][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.789338][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.789502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.789677][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.789846][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.790027][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.790197][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.790368][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.790535][   T12]  kthread (kernel/kthread.c:436)
[   97.790672][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.790879][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.791055][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.791224][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.791416][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.791588][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.791755][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.794185][   T12] ------------[ cut here ]------------
| [   97.794344][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.794628][   T12] Modules linked in:
| [   97.795096][   T12] Tainted: [W]=WARN
[   97.795232][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.795424][   T12] Workqueue: netns cleanup_net
[   97.795599][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.795803][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.796285][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.796485][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31a740 RCX: 1ff4000000018eed
[   97.796713][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a7fc
[   97.796952][   T12] RBP: ff11000012a8c000 R08: 1fe2200001a63501 R09: ff11000001aed1d0
[   97.797203][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.797424][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.797657][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.797924][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.798126][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.798349][   T12] PKRU: 55555554
[   97.798484][   T12] Call Trace:
[   97.798625][   T12]  <TASK>
[   97.798735][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.798981][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.799175][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.799341][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.799510][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.799683][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.799851][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.800043][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.800243][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.800409][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.800612][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.800779][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.800980][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.801154][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.801319][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.801487][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.801666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.801835][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.802026][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.802191][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.802366][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.802540][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.802708][   T12]  kthread (kernel/kthread.c:436)
[   97.802843][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.803056][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.803227][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.803394][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.803599][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.803768][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.803954][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.806390][   T12] ------------[ cut here ]------------
| [   97.806556][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.806833][   T12] Modules linked in:
| [   97.807302][   T12] Tainted: [W]=WARN
[   97.807437][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.807638][   T12] Workqueue: netns cleanup_net
[   97.807806][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.808027][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.808490][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.808688][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31a900 RCX: 1ff4000000018eed
[   97.808917][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a9bc
[   97.809145][   T12] RBP: ff110000103ac000 R08: 1fe2200001a63539 R09: ff11000001aed1d0
[   97.809367][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.809592][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.809815][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.810083][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.810309][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.810536][   T12] PKRU: 55555554
[   97.810669][   T12] Call Trace:
[   97.810804][   T12]  <TASK>
[   97.810930][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.811136][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.811399][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.811572][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.811743][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.811997][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.812165][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.812330][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.812496][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.812742][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.812918][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.813096][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.813263][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.813460][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.813632][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.813801][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.813983][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.814150][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.814389][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.814565][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.814735][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.814919][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.815092][   T12]  kthread (kernel/kthread.c:436)
[   97.815228][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.815422][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.815595][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.815765][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.815979][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.816145][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.816381][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.819588][   T12] ------------[ cut here ]------------
| [   97.819753][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.820080][   T12] Modules linked in:
| [   97.820607][   T12] Tainted: [W]=WARN
[   97.820741][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.820954][   T12] Workqueue: netns cleanup_net
[   97.821125][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.821403][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.821889][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.822092][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31a580 RCX: 1ff4000000018eed
[   97.822312][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a63c
[   97.822618][   T12] RBP: ff11000012744000 R08: 1fe2200001a634c9 R09: ff11000001aed1d0
[   97.822838][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.823077][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.823298][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.823555][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.823750][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.824171][   T12] PKRU: 55555554
[   97.824310][   T12] Call Trace:
[   97.824443][   T12]  <TASK>
[   97.824556][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.824825][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.825044][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.825211][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.825448][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.825688][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.825857][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.826046][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.826214][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.826380][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.826548][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.826716][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.826895][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.827144][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.827378][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.827549][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.827718][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.827979][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.828149][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.828345][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.828520][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.828764][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.828941][   T12]  kthread (kernel/kthread.c:436)
[   97.829085][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.829350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.829519][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.829687][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.829893][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.830067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.830232][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.833287][   T12] ------------[ cut here ]------------
| [   97.833450][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.833804][   T12] Modules linked in:
| [   97.834883][   T12] Tainted: [W]=WARN
[   97.835115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.835433][   T12] Workqueue: netns cleanup_net
[   97.835705][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.836024][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.836625][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.836902][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31aac0 RCX: 1ff4000000018eed
[   97.837131][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31ab7c
[   97.837496][   T12] RBP: ff110000094d9000 R08: 1fe2200001a63571 R09: ff11000001aed1d0
[   97.837883][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.838114][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.838340][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   97.838673][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.838891][   T12] CR2: 00007f6f8cda2000 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.839124][   T12] PKRU: 55555554
[   97.839258][   T12] Call Trace:
[   97.839493][   T12]  <TASK>
[   97.839609][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.839808][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.840096][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.840261][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.840424][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.840594][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.840758][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.841020][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.841192][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.841355][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.841519][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.841687][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.841851][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.842041][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.842205][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.842374][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.842539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.842706][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.842887][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.843064][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.843308][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.843479][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.843650][   T12]  kthread (kernel/kthread.c:436)
[   97.843790][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.844004][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.844173][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.844340][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.844615][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.844779][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.844969][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.849821][   T12] ------------[ cut here ]------------
| [   97.849969][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.850203][   T12] Modules linked in:
| [   97.850571][   T12] Tainted: [W]=WARN
[   97.850660][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.850806][   T12] Workqueue: netns cleanup_net
[   97.850938][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.851103][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.851529][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.851680][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe91a80 RCX: 1ff4000000018eed
[   97.851858][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe91b3c
[   97.852111][   T12] RBP: ff11000008eec000 R08: 1fe2200001fd2369 R09: ff11000001aed1d0
[   97.852285][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.852460][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.852648][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   97.852855][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.853077][   T12] CR2: 00007ffde7ba2f88 CR3: 0000000012a4c004 CR4: 0000000000771ef0
[   97.853342][   T12] PKRU: 55555554
[   97.853431][   T12] Call Trace:
[   97.853521][   T12]  <TASK>
[   97.853583][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.853739][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.853975][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.854094][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.854213][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.854329][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.854452][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.854576][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.854696][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.854813][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.855015][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.855134][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.855257][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.855376][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.855493][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.855617][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.855736][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.855855][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.856058][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.856176][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.856302][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.856424][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.856545][   T12]  kthread (kernel/kthread.c:436)
[   97.856636][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.856783][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.856980][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.857097][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.857244][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.857360][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.857479][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.859623][   T12] ------------[ cut here ]------------
| [   97.859751][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.860000][   T12] Modules linked in:
| [   97.860453][   T12] Tainted: [W]=WARN
[   97.860551][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.860700][   T12] Workqueue: netns cleanup_net
[   97.860824][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.861031][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.861449][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.861605][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe911c0 RCX: 1ff4000000018eed
[   97.861779][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9127c
[   97.861967][   T12] RBP: ff1100001067c000 R08: 1fe2200001fd2251 R09: ff11000001aed1d0
[   97.862148][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.862324][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.862498][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   97.862706][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.862852][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   97.863039][   T12] PKRU: 55555554
[   97.863125][   T12] Call Trace:
[   97.863212][   T12]  <TASK>
[   97.863274][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.863423][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.863571][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.863688][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.863807][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.863930][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.864053][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.864171][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.864289][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.864406][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.864525][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.864644][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.864762][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.864884][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.865005][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.865124][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.865240][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.865359][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.865480][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.865602][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.865723][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.865843][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.865970][   T12]  kthread (kernel/kthread.c:436)
[   97.866057][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.866202][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.866319][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.866438][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.866589][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.866705][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.866822][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.877410][   T12] ------------[ cut here ]------------
| [   97.877559][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.877837][   T12] Modules linked in:
| [   97.878229][   T12] Tainted: [W]=WARN
[   97.878318][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.878464][   T12] Workqueue: netns cleanup_net
[   97.878590][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.878742][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.879169][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.879315][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90900 RCX: 1ff4000000018eed
[   97.879490][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe909bc
[   97.879666][   T12] RBP: ff1100000ff79000 R08: 1fe2200001fd2139 R09: ff11000001aed1d0
[   97.879838][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.880027][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.880201][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   97.880404][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.880550][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   97.880724][   T12] PKRU: 55555554
[   97.880811][   T12] Call Trace:
[   97.880903][   T12]  <TASK>
[   97.880969][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.881117][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.881260][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.881378][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.881500][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.881622][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.881740][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.881859][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.881992][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.882110][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.882226][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.882342][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.882460][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.882579][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.882695][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.882818][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.882939][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.883066][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.883188][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.883305][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.883426][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.883549][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.883666][   T12]  kthread (kernel/kthread.c:436)
[   97.883755][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.883904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.884027][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.884145][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.884295][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.884412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.884533][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.897745][   T12] ------------[ cut here ]------------
| [   97.897891][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.898143][   T12] Modules linked in:
| [   97.898518][   T12] Tainted: [W]=WARN
[   97.898610][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.898768][   T12] Workqueue: netns cleanup_net
[   97.898901][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.899067][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.899502][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.899659][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d473540 RCX: 1ff4000000018eaf
[   97.899842][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4735fc
[   97.900092][   T12] RBP: ff11000012719000 R08: 1fe2200001a8e6c1 R09: ff11000001aed1d0
[   97.900275][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   97.900456][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092c4000
[   97.900643][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   97.900856][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.901069][   T12] CR2: 000055dfefe5bd98 CR3: 0000000009c29003 CR4: 0000000000771ef0
[   97.901253][   T12] PKRU: 55555554
[   97.901347][   T12] Call Trace:
[   97.901438][   T12]  <TASK>
[   97.901501][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.901630][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.901724][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.901848][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.902029][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.902193][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.902314][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   97.902439][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.902595][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.902717][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.902882][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.903009][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.903137][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.903261][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.903382][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.903506][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.903633][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.903757][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.903885][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.904011][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.904133][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.904256][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.904380][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.904500][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.904626][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.904748][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.904877][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.905008][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.905130][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.905258][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.905388][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.905513][   T12]  kthread (kernel/kthread.c:436)
[   97.905610][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.905762][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.905891][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.906016][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.906211][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.906354][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.906477][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.908343][   T12] ------------[ cut here ]------------
| [   97.908477][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.908725][   T12] Modules linked in:
| [   97.909172][   T12] Tainted: [W]=WARN
[   97.909267][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.909421][   T12] Workqueue: netns cleanup_net
[   97.909551][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.909712][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.910165][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.910323][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d473e00 RCX: 1ff4000000018eaf
[   97.910514][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d473ebc
[   97.910700][   T12] RBP: ff110000092c4000 R08: 1fe2200001a8e7d9 R09: ff11000001aed1d0
[   97.910893][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   97.911084][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b6d4000
[   97.911270][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   97.911490][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.911649][   T12] CR2: 00007f96f1a66800 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.911834][   T12] PKRU: 55555554
[   97.911990][   T12] Call Trace:
[   97.912084][   T12]  <TASK>
[   97.912148][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.912321][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.912447][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.912546][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.912670][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.912794][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.913003][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.913127][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   97.913254][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.913409][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.913535][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.913689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.913813][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.913994][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.914120][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.914246][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.914375][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.914501][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.914628][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.914749][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.914923][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.915053][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.915179][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.915303][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.915427][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.915551][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.915676][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.915803][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.915985][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.916109][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.916240][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.916370][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.916492][   T12]  kthread (kernel/kthread.c:436)
[   97.916588][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.916743][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.916916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.917045][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.917201][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.917324][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.917446][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.919333][   T12] ------------[ cut here ]------------
| [   97.919458][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.919704][   T12] Modules linked in:
| [   97.920093][   T12] Tainted: [W]=WARN
[   97.920186][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.920340][   T12] Workqueue: netns cleanup_net
[   97.920467][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.920629][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.921179][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.921334][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b8900 RCX: 1ff4000000018eaf
[   97.921518][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b89bc
[   97.921701][   T12] RBP: ff1100000b6d4000 R08: 1fe2200002137139 R09: ff11000001aed1d0
[   97.921980][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   97.922165][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009691000
[   97.922348][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   97.922565][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.922719][   T12] CR2: 00007f96f1a66800 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.922958][   T12] PKRU: 55555554
[   97.923051][   T12] Call Trace:
[   97.923141][   T12]  <TASK>
[   97.923253][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.923375][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.923497][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.923595][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.923720][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.923842][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.924051][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.924173][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   97.924296][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.924453][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.924578][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.924729][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.924851][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.925060][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.925194][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.925320][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.925443][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.925573][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.925700][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.925822][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.926003][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.926233][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.926357][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.926480][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.926604][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.926727][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.926849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.927030][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.927158][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.927279][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.927406][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.927537][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.927660][   T12]  kthread (kernel/kthread.c:436)
[   97.927753][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.927959][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.928084][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.928208][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.928361][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.928484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.928608][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.931835][   T12] ------------[ cut here ]------------
| [   97.931987][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.932234][   T12] Modules linked in:
| [   97.932614][   T12] Tainted: [W]=WARN
[   97.932708][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.932862][   T12] Workqueue: netns cleanup_net
[   97.933005][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.933165][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.933613][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.933844][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962e40 RCX: 1ff4000000018eaf
[   97.934072][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b962efc
[   97.934255][   T12] RBP: ff11000009691000 R08: 1fe220000172c5e1 R09: ff11000001aed1d0
[   97.934437][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   97.934624][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fff4000
[   97.934806][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   97.935088][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.935241][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   97.935422][   T12] PKRU: 55555554
[   97.935516][   T12] Call Trace:
[   97.935607][   T12]  <TASK>
[   97.935671][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.935829][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.935962][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.936056][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.936179][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.936302][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.936452][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.936576][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   97.936701][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.936874][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.937000][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.937152][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.937275][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.937401][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.937528][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.937652][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.937777][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.937907][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.938037][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.938163][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.938291][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.938419][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.938547][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.938672][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.938794][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.938924][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.939051][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.939174][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.939305][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.939427][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.939554][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.939682][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.939803][   T12]  kthread (kernel/kthread.c:436)
[   97.939901][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.940058][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.940180][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.940304][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.940455][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.940581][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.940703][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.942585][   T12] ------------[ cut here ]------------
| [   97.942709][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.942964][   T12] Modules linked in:
| [   97.943338][   T12] Tainted: [W]=WARN
[   97.943430][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.943585][   T12] Workqueue: netns cleanup_net
[   97.943713][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.943879][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.944330][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.944486][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b9638c0 RCX: 1ff4000000018eaf
[   97.944672][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96397c
[   97.944862][   T12] RBP: ff1100000fff4000 R08: 1fe220000172c731 R09: ff11000001aed1d0
[   97.945061][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   97.945251][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a874000
[   97.945435][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   97.945652][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.945804][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   97.945999][   T12] PKRU: 55555554
[   97.946092][   T12] Call Trace:
[   97.946184][   T12]  <TASK>
[   97.946249][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.946372][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.946495][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.946591][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.946725][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.946851][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.947015][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.947138][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   97.947266][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.947420][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.947546][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.947697][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.947818][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.947952][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.948078][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.948203][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.948325][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.948450][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.948578][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.948699][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.948820][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.948952][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.949079][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.949202][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.949332][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.949456][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.949579][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.949703][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.949829][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.949964][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.950092][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.950218][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.950340][   T12]  kthread (kernel/kthread.c:436)
[   97.950433][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.950591][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.950714][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.950837][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.951002][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.951124][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.951246][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.953645][   T12] ------------[ cut here ]------------
| [   97.953766][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.954743][   T12] Modules linked in:
| [   97.955173][   T12] Tainted: [W]=WARN
[   97.955266][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.955421][   T12] Workqueue: netns cleanup_net
[   97.955551][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.955711][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.956211][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.956368][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7d4e40 RCX: 1ff4000000018eaf
[   97.956551][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4efc
[   97.956733][   T12] RBP: ff1100000a874000 R08: 1fe22000016fa9e1 R09: ff11000001aed1d0
[   97.956977][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   97.957161][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   97.957345][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   97.957562][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.957716][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   97.957956][   T12] PKRU: 55555554
[   97.958050][   T12] Call Trace:
[   97.958141][   T12]  <TASK>
[   97.958209][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.958331][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.958453][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.958549][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.958673][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.958795][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.959002][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.959124][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   97.959247][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.959404][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.959530][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.959690][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.959813][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.959993][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.960119][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.960242][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.960364][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.960486][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.960610][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.960731][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.960853][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.961030][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.961153][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.961276][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.961397][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.961522][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.961643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.961767][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.961947][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.962070][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.962196][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.962323][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.962445][   T12]  kthread (kernel/kthread.c:436)
[   97.962541][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.962693][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.962817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.962991][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.963190][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.963313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.963435][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.967668][   T12] ------------[ cut here ]------------
| [   97.967803][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.968104][   T12] Modules linked in:
| [   97.968481][   T12] Tainted: [W]=WARN
[   97.968580][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.968726][   T12] Workqueue: netns cleanup_net
[   97.968849][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.969022][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.969443][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.969594][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4a740 RCX: 1ff4000000018ed5
[   97.969772][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a7fc
[   97.970011][   T12] RBP: ff11000012719000 R08: 1fe2200001f89501 R09: ff11000001aed1d0
[   97.970187][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.970361][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.970541][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   97.970746][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.971060][   T12] CR2: 00007f96f19e7580 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   97.971238][   T12] PKRU: 55555554
[   97.971326][   T12] Call Trace:
[   97.971414][   T12]  <TASK>
[   97.971477][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.971636][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.971782][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.971954][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.972078][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.972198][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.972316][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.972432][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.972555][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.972674][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.972793][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.972985][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.973105][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.973224][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.973343][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.973465][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.973589][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.973707][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.973828][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.974068][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.974186][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.974308][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.974430][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.974553][   T12]  kthread (kernel/kthread.c:436)
[   97.974642][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.974790][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.974998][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.975121][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.975267][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.975385][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.975502][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.978105][   T12] ------------[ cut here ]------------
| [   97.978236][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.978473][   T12] Modules linked in:
| [   97.978839][   T12] Tainted: [W]=WARN
[   97.978938][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.979094][   T12] Workqueue: netns cleanup_net
[   97.979227][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.979381][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.979811][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.979975][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4a040 RCX: 1ff4000000018ed5
[   97.980151][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a0fc
[   97.980328][   T12] RBP: ff110000092c4000 R08: 1fe2200001f89421 R09: ff11000001aed1d0
[   97.980504][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   97.980684][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.980861][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   97.981117][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.981266][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.981444][   T12] PKRU: 55555554
[   97.981534][   T12] Call Trace:
[   97.981623][   T12]  <TASK>
[   97.981686][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.981842][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.981998][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.982115][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.982238][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.982362][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.982481][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.982601][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.982722][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.982840][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.982970][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.983087][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.983207][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.983330][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.983448][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.983570][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.983690][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.983809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.983935][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.984064][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.984187][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.984311][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.984435][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.984558][   T12]  kthread (kernel/kthread.c:436)
[   97.984647][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.984792][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.984917][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.985043][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.985192][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.985311][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.985431][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.987845][   T12] ------------[ cut here ]------------
| [   97.988803][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.989054][   T12] Modules linked in:
| [   97.989411][   T12] Tainted: [W]=WARN
[   97.989500][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.989652][   T12] Workqueue: netns cleanup_net
[   97.989777][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.989950][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   97.990382][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.990537][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4b540 RCX: 1ff4000000018ed5
[   97.990714][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b5fc
[   97.990898][   T12] RBP: ff1100000b6d4000 R08: 1fe2200001f896c1 R09: ff11000001aed1d0
[   97.991079][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   97.991253][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.991428][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   97.991635][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.991781][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   97.991970][   T12] PKRU: 55555554
[   97.992058][   T12] Call Trace:
[   97.992147][   T12]  <TASK>
[   97.992208][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.992358][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.992506][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.992627][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.992752][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.992879][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.993004][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.993123][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.993242][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.993364][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   97.993482][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.993603][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.993729][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   97.993850][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.993984][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.994103][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.994224][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.994344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.994469][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.994597][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.994718][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.994840][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.994973][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.995093][   T12]  kthread (kernel/kthread.c:436)
[   97.995181][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.995333][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.995452][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.995575][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.995722][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.995841][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.995972][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.998312][   T12] ------------[ cut here ]------------
| [   97.998442][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.998690][   T12] Modules linked in:
| [   97.999545][   T12] Tainted: [W]=WARN
[   97.999645][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.999807][   T12] Workqueue: netns cleanup_net
[   97.999986][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.000142][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.000563][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.000709][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e4418c0 RCX: 1ff4000000018ed5
[   98.000932][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e44197c
[   98.001112][   T12] RBP: ff11000009691000 R08: 1fe2200001c88331 R09: ff11000001aed1d0
[   98.001286][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.001461][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.001641][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.001940][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.002091][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   98.002268][   T12] PKRU: 55555554
[   98.002355][   T12] Call Trace:
[   98.002442][   T12]  <TASK>
[   98.002504][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.002657][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.002803][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.002974][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.003102][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.003223][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.003341][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.003459][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.003582][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.003701][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.003818][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.003985][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.004103][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.004221][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.004338][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.004458][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.004577][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.004692][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.004811][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.004987][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.005106][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.005227][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.005348][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.005468][   T12]  kthread (kernel/kthread.c:436)
[   98.005560][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.005705][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.005826][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.005995][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.006144][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.006261][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.006378][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.009224][   T12] ------------[ cut here ]------------
| [   98.009437][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.009691][   T12] Modules linked in:
| [   98.010131][   T12] Tainted: [W]=WARN
[   98.010221][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.010367][   T12] Workqueue: netns cleanup_net
[   98.010491][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.010649][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.011158][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.011307][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e440ac0 RCX: 1ff4000000018ed5
[   98.011482][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e440b7c
[   98.011668][   T12] RBP: ff1100000fff4000 R08: 1fe2200001c88171 R09: ff11000001aed1d0
[   98.011843][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   98.012088][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.012266][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   98.012473][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.012629][   T12] CR2: 00007f59aaf15000 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[   98.012806][   T12] PKRU: 55555554
[   98.012956][   T12] Call Trace:
[   98.013054][   T12]  <TASK>
[   98.013116][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.013267][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.013418][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.013544][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.013667][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.013786][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.013964][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.014082][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.014201][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.014319][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.014438][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.014560][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.014683][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.014803][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.015006][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.015124][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.015243][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.015360][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.015480][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.015604][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.015721][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.015843][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.016027][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.016146][   T12]  kthread (kernel/kthread.c:436)
[   98.016239][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.016388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.016509][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.016629][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.016775][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.016977][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.017100][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.019952][   T12] ------------[ cut here ]------------
| [   98.020078][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.020308][   T12] Modules linked in:
| [   98.020673][   T12] Tainted: [W]=WARN
[   98.020761][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.021347][   T12] Workqueue: netns cleanup_net
[   98.021472][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.021631][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.022069][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.022219][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04a740 RCX: 1ff4000000018ed5
[   98.022397][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a7fc
[   98.022575][   T12] RBP: ff1100000a874000 R08: 1fe2200001809501 R09: ff11000001aed1d0
[   98.022752][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.022936][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.023120][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.023339][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.023487][   T12] CR2: 000055dfefec9870 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[   98.023670][   T12] PKRU: 55555554
[   98.023759][   T12] Call Trace:
[   98.023851][   T12]  <TASK>
[   98.023918][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.024075][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.024222][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.024344][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.024467][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.024591][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.024710][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.024829][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.024960][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.025080][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.025199][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.025317][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.025441][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.025564][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.025681][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.025800][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.025927][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.026060][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.026186][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.026310][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.026429][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.026555][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.026677][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.026795][   T12]  kthread (kernel/kthread.c:436)
[   98.026890][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.027041][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.027162][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.027285][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.027435][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.027559][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.027679][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.120677][ T1649] ------------[ cut here ]------------
| [   98.120831][ T1649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1649
| [   98.121107][ T1649] Modules linked in:
| [   98.121476][ T1649] Tainted: [W]=WARN
[   98.121578][ T1649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.121742][ T1649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.121915][ T1649] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.122382][ T1649] RSP: 0018:ffa0000004b67a80 EFLAGS: 00010286
[   98.122550][ T1649] RAX: 00000000ffffffa6 RBX: ff1100000ceece40 RCX: 1ff400000096cf16
[   98.122744][ T1649] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceecefc
[   98.122950][ T1649] RBP: ff1100001009c000 R08: 1fe22000019dd9e1 R09: ff110000102c2e80
[   98.123145][ T1649] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.123337][ T1649] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001009c000
[   98.123535][ T1649] FS:  00007f8ad5677840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   98.123765][ T1649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.123935][ T1649] CR2: 00007f8ad58817d0 CR3: 0000000004d47004 CR4: 0000000000771ef0
[   98.124136][ T1649] PKRU: 55555554
[   98.124233][ T1649] Call Trace:
[   98.124331][ T1649]  <TASK>
[   98.124398][ T1649]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.124532][ T1649]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.124664][ T1649]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.124763][ T1649]  register_netdevice (net/core/dev.c:11488)
[   98.124902][ T1649]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.125071][ T1649]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.125203][ T1649]  register_netdev (net/core/dev.c:11552)
[   98.125332][ T1649]  loopback_net_init (drivers/net/loopback.c:218)
[   98.125464][ T1649]  ops_init (net/core/net_namespace.c:137)
[   98.125570][ T1649]  setup_net (net/core/net_namespace.c:446)
[   98.125668][ T1649]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.125798][ T1649]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.126614][ T1649]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.126747][ T1649]  copy_net_ns (net/core/net_namespace.c:579)
[   98.126909][ T1649]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.127049][ T1649]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.127181][ T1649]  ksys_unshare (kernel/fork.c:3243)
[   98.127311][ T1649]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.127440][ T1649]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.127575][ T1649]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.127706][ T1649]  ? __ia32_sys_open (fs/open.c:1374)
[   98.127838][ T1649]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.127980][ T1649]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.128111][ T1649]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.128240][ T1649]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.128369][ T1649]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.128499][ T1649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.128667][ T1649] RIP: 0033:0x7f8ad5939bcb
[   98.128810][ T1649] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.129282][ T1649] RSP: 002b:00007ffd6021e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.129477][ T1649] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8ad5939bcb
[   98.129674][ T1649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.129873][ T1649] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.130073][ T1649] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd60220530
[   98.130269][ T1649] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd60221847
| [   98.134856][ T1649] ------------[ cut here ]------------
| [   98.135008][ T1649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1649
| [   98.135265][ T1649] Modules linked in:
| [   98.135631][ T1649] Tainted: [W]=WARN
[   98.135729][ T1649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.135897][ T1649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.136069][ T1649] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.136530][ T1649] RSP: 0018:ffa0000004b67918 EFLAGS: 00010286
[   98.136693][ T1649] RAX: 00000000ffffffa6 RBX: ff11000008dc7c40 RCX: 1ff400000096cee9
[   98.136890][ T1649] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc7cfc
[   98.137087][ T1649] RBP: ff110000057a9000 R08: 1fe22000011b8fa1 R09: ff110000102c2e80
[   98.137280][ T1649] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.137472][ T1649] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057a9000
[   98.137670][ T1649] FS:  00007f8ad5677840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   98.138411][ T1649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.138580][ T1649] CR2: 00007f8ad58817d0 CR3: 0000000004d47004 CR4: 0000000000771ef0
[   98.138774][ T1649] PKRU: 55555554
[   98.138929][ T1649] Call Trace:
[   98.139031][ T1649]  <TASK>
[   98.139098][ T1649]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.139229][ T1649]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.139358][ T1649]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.139456][ T1649]  register_netdevice (net/core/dev.c:11488)
[   98.139589][ T1649]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.139750][ T1649]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.139937][ T1649]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.140126][ T1649]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.140256][ T1649]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.140387][ T1649]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.140520][ T1649]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.140650][ T1649]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   98.140781][ T1649]  ops_init (net/core/net_namespace.c:137)
[   98.140933][ T1649]  setup_net (net/core/net_namespace.c:446)
[   98.141036][ T1649]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.141163][ T1649]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.141294][ T1649]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.141426][ T1649]  copy_net_ns (net/core/net_namespace.c:579)
[   98.141559][ T1649]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.141691][ T1649]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.141821][ T1649]  ksys_unshare (kernel/fork.c:3243)
[   98.142008][ T1649]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.142139][ T1649]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.142268][ T1649]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.142397][ T1649]  ? __ia32_sys_open (fs/open.c:1374)
[   98.142532][ T1649]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.142660][ T1649]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.142787][ T1649]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.142976][ T1649]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.143106][ T1649]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.143235][ T1649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.143399][ T1649] RIP: 0033:0x7f8ad5939bcb
[   98.143537][ T1649] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.144060][ T1649] RSP: 002b:00007ffd6021e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.144253][ T1649] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8ad5939bcb
[   98.144445][ T1649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.144639][ T1649] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.144832][ T1649] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd60220530
[   98.145089][ T1649] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd60221847
| [   98.149475][ T1649] ------------[ cut here ]------------
| [   98.149657][ T1649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1649
| [   98.149995][ T1649] Modules linked in:
| [   98.150455][ T1649] Tainted: [W]=WARN
[   98.150608][ T1649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.150818][ T1649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.151058][ T1649] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.151579][ T1649] RSP: 0018:ffa0000004b678f8 EFLAGS: 00010286
[   98.151790][ T1649] RAX: 00000000ffffffa6 RBX: ff1100000a16b380 RCX: 1ff400000096cee5
[   98.152055][ T1649] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b43c
[   98.152304][ T1649] RBP: ff11000009689000 R08: 1fe220000142d689 R09: ff110000102c2e80
[   98.152552][ T1649] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.152793][ T1649] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009689000
[   98.153057][ T1649] FS:  00007f8ad5677840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   98.153332][ T1649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.153547][ T1649] CR2: 000055dfdb5e2d5c CR3: 0000000004d47001 CR4: 0000000000771ef0
[   98.153792][ T1649] PKRU: 55555554
[   98.153956][ T1649] Call Trace:
[   98.154101][ T1649]  <TASK>
[   98.154215][ T1649]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.154395][ T1649]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.154582][ T1649]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.154731][ T1649]  register_netdevice (net/core/dev.c:11488)
[   98.154920][ T1649]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.155140][ T1649]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.155322][ T1649]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.155502][ T1649]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.155686][ T1649]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.155879][ T1649]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.156069][ T1649]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.156249][ T1649]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   98.156430][ T1649]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   98.156618][ T1649]  vti_init_net (net/ipv4/ip_vti.c:517)
[   98.156797][ T1649]  ops_init (net/core/net_namespace.c:137)
[   98.156970][ T1649]  setup_net (net/core/net_namespace.c:446)
[   98.157120][ T1649]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.157295][ T1649]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.157474][ T1649]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.157660][ T1649]  copy_net_ns (net/core/net_namespace.c:579)
[   98.157842][ T1649]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.158050][ T1649]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.158229][ T1649]  ksys_unshare (kernel/fork.c:3243)
[   98.158408][ T1649]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.158594][ T1649]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.158772][ T1649]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.158971][ T1649]  ? __ia32_sys_open (fs/open.c:1374)
[   98.159152][ T1649]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.159333][ T1649]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.159514][ T1649]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.159695][ T1649]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.159888][ T1649]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.160075][ T1649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.160285][ T1649] RIP: 0033:0x7f8ad5939bcb
[   98.160469][ T1649] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.161001][ T1649] RSP: 002b:00007ffd6021e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.161246][ T1649] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8ad5939bcb
[   98.161486][ T1649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.161731][ T1649] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.161998][ T1649] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd60220530
[   98.162240][ T1649] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd60221847
| [   98.167490][ T1649] ------------[ cut here ]------------
| [   98.167671][ T1649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1649
| [   98.167998][ T1649] Modules linked in:
| [   98.168452][ T1649] Tainted: [W]=WARN
[   98.168603][ T1649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.168820][ T1649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.169056][ T1649] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.169569][ T1649] RSP: 0018:ffa0000004b67a78 EFLAGS: 00010286
[   98.169780][ T1649] RAX: 00000000ffffffa6 RBX: ff1100000fe91540 RCX: 1ff400000096cf15
[   98.170101][ T1649] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe915fc
[   98.170400][ T1649] RBP: ff1100001268c000 R08: 1fe2200001fd22c1 R09: ff110000102c2e80
[   98.170701][ T1649] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.171012][ T1649] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001268c000
[   98.171307][ T1649] FS:  00007f8ad5677840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   98.171645][ T1649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.171920][ T1649] CR2: 000055dfdb5e2d5c CR3: 0000000004d47001 CR4: 0000000000771ef0
[   98.172226][ T1649] PKRU: 55555554
[   98.172422][ T1649] Call Trace:
[   98.172624][ T1649]  <TASK>
[   98.172791][ T1649]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.173043][ T1649]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.173278][ T1649]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.173477][ T1649]  register_netdevice (net/core/dev.c:11488)
[   98.173713][ T1649]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.173995][ T1649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.174209][ T1649]  register_netdev (net/core/dev.c:11552)
[   98.174383][ T1649]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   98.174569][ T1649]  ops_init (net/core/net_namespace.c:137)
[   98.174719][ T1649]  setup_net (net/core/net_namespace.c:446)
[   98.174878][ T1649]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.175063][ T1649]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.175243][ T1649]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.175421][ T1649]  copy_net_ns (net/core/net_namespace.c:579)
[   98.175606][ T1649]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.175786][ T1649]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.175987][ T1649]  ksys_unshare (kernel/fork.c:3243)
[   98.176164][ T1649]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.176339][ T1649]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.176519][ T1649]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.176699][ T1649]  ? __ia32_sys_open (fs/open.c:1374)
[   98.176891][ T1649]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.177077][ T1649]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.177260][ T1649]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.177437][ T1649]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.177621][ T1649]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.177799][ T1649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.178026][ T1649] RIP: 0033:0x7f8ad5939bcb
[   98.178208][ T1649] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.178721][ T1649] RSP: 002b:00007ffd6021e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.178985][ T1649] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8ad5939bcb
[   98.179224][ T1649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.179463][ T1649] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.179713][ T1649] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd60220530
[   98.179976][ T1649] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd60221847
| [   98.184574][ T1649] ------------[ cut here ]------------
| [   98.184750][ T1649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1649
| [   98.185071][ T1649] Modules linked in:
| [   98.185532][ T1649] Tainted: [W]=WARN
[   98.185678][ T1649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.185901][ T1649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.186125][ T1649] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.186639][ T1649] RSP: 0018:ffa0000004b67a68 EFLAGS: 00010286
[   98.186849][ T1649] RAX: 00000000ffffffa6 RBX: ff11000010abb700 RCX: 1ff400000096cf13
[   98.187627][ T1649] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb7bc
[   98.187936][ T1649] RBP: ff1100001275c000 R08: 1fe22000021576f9 R09: ff110000102c2e80
[   98.188235][ T1649] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.188538][ T1649] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001275c000
[   98.188833][ T1649] FS:  00007f8ad5677840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   98.189178][ T1649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.189440][ T1649] CR2: 000055dfdb5e2d5c CR3: 0000000004d47001 CR4: 0000000000771ef0
[   98.189756][ T1649] PKRU: 55555554
[   98.189971][ T1649] Call Trace:
[   98.190169][ T1649]  <TASK>
[   98.190334][ T1649]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.190571][ T1649]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.190804][ T1649]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.191022][ T1649]  register_netdevice (net/core/dev.c:11488)
[   98.191256][ T1649]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.191531][ T1649]  register_netdev (net/core/dev.c:11552)
[   98.191761][ T1649]  sit_init_net (net/ipv6/sit.c:1860)
[   98.192013][ T1649]  ops_init (net/core/net_namespace.c:137)
[   98.192218][ T1649]  setup_net (net/core/net_namespace.c:446)
[   98.192418][ T1649]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.192655][ T1649]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.192901][ T1649]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.193149][ T1649]  copy_net_ns (net/core/net_namespace.c:579)
[   98.193353][ T1649]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.193534][ T1649]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.193713][ T1649]  ksys_unshare (kernel/fork.c:3243)
[   98.193901][ T1649]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.194089][ T1649]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.194268][ T1649]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.194447][ T1649]  ? __ia32_sys_open (fs/open.c:1374)
[   98.194631][ T1649]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.194807][ T1649]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.195001][ T1649]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.195179][ T1649]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.195355][ T1649]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.195536][ T1649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.195745][ T1649] RIP: 0033:0x7f8ad5939bcb
[   98.195950][ T1649] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.196455][ T1649] RSP: 002b:00007ffd6021e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.196706][ T1649] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8ad5939bcb
[   98.196969][ T1649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.197211][ T1649] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.197451][ T1649] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd60220530
[   98.197697][ T1649] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd60221847
| [   98.202536][ T1649] ------------[ cut here ]------------
| [   98.202712][ T1649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1649
| [   98.203042][ T1649] Modules linked in:
| [   98.203499][ T1649] Tainted: [W]=WARN
[   98.203653][ T1649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.203878][ T1649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.204106][ T1649] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.204626][ T1649] RSP: 0018:ffa0000004b67a78 EFLAGS: 00010286
[   98.204838][ T1649] RAX: 00000000ffffffa6 RBX: ff110000109b9a80 RCX: 1ff400000096cf15
[   98.205614][ T1649] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9b3c
[   98.205930][ T1649] RBP: ff11000007859000 R08: 1fe2200002137369 R09: ff110000102c2e80
[   98.206238][ T1649] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.206540][ T1649] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007859000
[   98.206838][ T1649] FS:  00007f8ad5677840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   98.207191][ T1649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.207455][ T1649] CR2: 000055dfdb5e2d5c CR3: 0000000004d47001 CR4: 0000000000771ef0
[   98.207771][ T1649] PKRU: 55555554
[   98.207986][ T1649] Call Trace:
[   98.208182][ T1649]  <TASK>
[   98.208348][ T1649]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.208585][ T1649]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.208821][ T1649]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.209043][ T1649]  register_netdevice (net/core/dev.c:11488)
[   98.209276][ T1649]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.209546][ T1649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.209780][ T1649]  register_netdev (net/core/dev.c:11552)
[   98.210031][ T1649]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   98.210265][ T1649]  ops_init (net/core/net_namespace.c:137)
[   98.210468][ T1649]  setup_net (net/core/net_namespace.c:446)
[   98.210676][ T1649]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.210919][ T1649]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.211147][ T1649]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.211324][ T1649]  copy_net_ns (net/core/net_namespace.c:579)
[   98.211501][ T1649]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.211689][ T1649]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.211884][ T1649]  ksys_unshare (kernel/fork.c:3243)
[   98.212071][ T1649]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.212247][ T1649]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.212423][ T1649]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.212610][ T1649]  ? __ia32_sys_open (fs/open.c:1374)
[   98.212790][ T1649]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.212987][ T1649]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.213168][ T1649]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.213346][ T1649]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.213524][ T1649]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.213706][ T1649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.213929][ T1649] RIP: 0033:0x7f8ad5939bcb
[   98.214120][ T1649] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.214636][ T1649] RSP: 002b:00007ffd6021e308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.214891][ T1649] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8ad5939bcb
[   98.215140][ T1649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.215381][ T1649] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.215628][ T1649] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd60220530
[   98.215881][ T1649] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd60221847
| [   98.250815][ T1650] ------------[ cut here ]------------
| [   98.250977][ T1650] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1650
| [   98.251235][ T1650] Modules linked in:
| [   98.251605][ T1650] Tainted: [W]=WARN
[   98.251704][ T1650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.251871][ T1650] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.252045][ T1650] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.252505][ T1650] RSP: 0018:ffa0000004b67020 EFLAGS: 00010286
[   98.252671][ T1650] RAX: 00000000ffffffa6 RBX: ff11000008dc7700 RCX: 1ff400000096cdca
[   98.252864][ T1650] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc77bc
[   98.253070][ T1650] RBP: ff1100001009c000 R08: 1fe22000011b8ef9 R09: ff110000102c5158
[   98.253262][ T1650] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   98.253455][ T1650] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   98.253649][ T1650] FS:  00007fd7996c9840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   98.253881][ T1650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.254049][ T1650] CR2: 00000000328ae988 CR3: 0000000004d47006 CR4: 0000000000771ef0
[   98.254244][ T1650] PKRU: 55555554
[   98.254340][ T1650] Call Trace:
[   98.254437][ T1650]  <TASK>
[   98.254505][ T1650]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.254642][ T1650]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.254743][ T1650]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   98.254878][ T1650]  __dev_notify_flags (net/core/dev.c:9787)
[   98.255016][ T1650]  ? netif_change_name (net/core/dev.c:1495)
[   98.255146][ T1650]  ? __dev_change_flags (net/core/dev.c:9752)
[   98.255275][ T1650]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   98.255404][ T1650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.255539][ T1650]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   98.255671][ T1650]  netif_change_flags (net/core/dev.c:9820)
[   98.255800][ T1650]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   98.255937][ T1650]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   98.256075][ T1650]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   98.256206][ T1650]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   98.256369][ T1650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.256498][ T1650]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.256631][ T1650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   98.256761][ T1650]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.256899][ T1650]  ? __kernel_text_address (kernel/extable.c:79)
[   98.257036][ T1650]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.257166][ T1650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.257296][ T1650]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.257426][ T1650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.257558][ T1650]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.257686][ T1650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.257813][ T1650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.257954][ T1650]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   98.258083][ T1650]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   98.258212][ T1650]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   98.258340][ T1650]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.258471][ T1650]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.258608][ T1650]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   98.258740][ T1650]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   98.258875][ T1650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.259011][ T1650]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.259141][ T1650]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.259269][ T1650]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   98.259398][ T1650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.259532][ T1650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.259661][ T1650]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.259790][ T1650]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.259926][ T1650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.260062][ T1650]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.260191][ T1650]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   98.260320][ T1650]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.260449][ T1650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.260581][ T1650]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.260714][ T1650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.260842][ T1650]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.260985][ T1650]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   98.261115][ T1650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.261245][ T1650]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.261377][ T1650]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   98.261507][ T1650]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   98.261639][ T1650]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.261770][ T1650]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.261905][ T1650]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.262044][ T1650]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   98.262173][ T1650]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   98.262304][ T1650]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   98.262436][ T1650]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   98.262571][ T1650]  ? copy_msghdr_from_user (net/socket.c:2635)
[   98.262701][ T1650]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   98.262860][ T1650]  ? move_addr_to_kernel (net/socket.c:258)
[   98.263003][ T1650]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.263132][ T1650]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.263264][ T1650]  ___sys_sendmsg (net/socket.c:2752)
[   98.263393][ T1650]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   98.263557][ T1650]  ? copy_msghdr_from_user (net/socket.c:2603)
[   98.263700][ T1650]  __sys_sendmsg (net/socket.c:2784)
[   98.263829][ T1650]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   98.263972][ T1650]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   98.264136][ T1650]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.264267][ T1650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.264399][ T1650]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.264534][ T1650]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.264665][ T1650]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.264795][ T1650]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.264963][ T1650] RIP: 0033:0x7fd79990308e
[   98.265102][ T1650] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   98.265570][ T1650] RSP: 002b:00007fff3a2cea20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.265767][ T1650] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd79990308e
[   98.265975][ T1650] RDX: 0000000000000000 RSI: 00007fff3a2cead0 RDI: 0000000000000005
[   98.266169][ T1650] RBP: 00007fff3a2cea30 R08: 0000000000000000 R09: 0000000000000000
[   98.266361][ T1650] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd4e
[   98.266557][ T1650] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3a2cf1a0
| [   98.454302][ T1658] ------------[ cut here ]------------
| [   98.454456][ T1658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1658
| [   98.454722][ T1658] Modules linked in:
| [   98.455102][ T1658] Tainted: [W]=WARN
[   98.455201][ T1658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.455363][ T1658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.455539][ T1658] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.456016][ T1658] RSP: 0018:ffa0000004be7a80 EFLAGS: 00010286
[   98.456179][ T1658] RAX: 00000000ffffffa6 RBX: ff1100000901ee40 RCX: 1ff400000097cf16
[   98.456372][ T1658] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901eefc
[   98.456569][ T1658] RBP: ff11000008c11000 R08: 1fe2200001203de1 R09: ff110000104b2e80
[   98.456761][ T1658] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.456965][ T1658] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c11000
[   98.457162][ T1658] FS:  00007fbd26f04840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.457392][ T1658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.457557][ T1658] CR2: 00007fbd27110690 CR3: 0000000010578003 CR4: 0000000000771ef0
[   98.457752][ T1658] PKRU: 55555554
[   98.457851][ T1658] Call Trace:
[   98.457958][ T1658]  <TASK>
[   98.458026][ T1658]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.458159][ T1658]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.458289][ T1658]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.458388][ T1658]  register_netdevice (net/core/dev.c:11488)
[   98.458521][ T1658]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.458682][ T1658]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.458814][ T1658]  register_netdev (net/core/dev.c:11552)
[   98.458951][ T1658]  loopback_net_init (drivers/net/loopback.c:218)
[   98.459082][ T1658]  ops_init (net/core/net_namespace.c:137)
[   98.459185][ T1658]  setup_net (net/core/net_namespace.c:446)
[   98.459282][ T1658]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.459411][ T1658]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.459544][ T1658]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.459676][ T1658]  copy_net_ns (net/core/net_namespace.c:579)
[   98.459805][ T1658]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.459954][ T1658]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.460085][ T1658]  ksys_unshare (kernel/fork.c:3243)
[   98.460221][ T1658]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.460352][ T1658]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.460481][ T1658]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.460615][ T1658]  ? __ia32_sys_open (fs/open.c:1374)
[   98.460748][ T1658]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.460880][ T1658]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.461014][ T1658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.461143][ T1658]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.461273][ T1658]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.461401][ T1658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.461565][ T1658] RIP: 0033:0x7fbd271c6bcb
[   98.461700][ T1658] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.462172][ T1658] RSP: 002b:00007ffee6fddce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   98.462367][ T1658] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbd271c6bcb
[   98.462562][ T1658] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.462754][ T1658] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.462953][ T1658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee6fdff10
[   98.463144][ T1658] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee6fe0847
| [   98.467315][ T1658] ------------[ cut here ]------------
| [   98.467453][ T1658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1658
| [   98.467711][ T1658] Modules linked in:
| [   98.468079][ T1658] Tainted: [W]=WARN
[   98.468176][ T1658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.468339][ T1658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.468507][ T1658] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.468978][ T1658] RSP: 0018:ffa0000004be7918 EFLAGS: 00010286
[   98.469142][ T1658] RAX: 00000000ffffffa6 RBX: ff1100000caa1380 RCX: 1ff400000097cee9
[   98.469335][ T1658] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa143c
[   98.469531][ T1658] RBP: ff11000010619000 R08: 1fe2200001954289 R09: ff110000104b2e80
[   98.469723][ T1658] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.469919][ T1658] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010619000
[   98.470117][ T1658] FS:  00007fbd26f04840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.470343][ T1658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.470508][ T1658] CR2: 00007fbd27110690 CR3: 0000000010578003 CR4: 0000000000771ef0
[   98.470702][ T1658] PKRU: 55555554
[   98.470799][ T1658] Call Trace:
[   98.470899][ T1658]  <TASK>
[   98.470971][ T1658]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.471100][ T1658]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.471228][ T1658]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.471327][ T1658]  register_netdevice (net/core/dev.c:11488)
[   98.471457][ T1658]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.471623][ T1658]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.471755][ T1658]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.471890][ T1658]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.472023][ T1658]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.472152][ T1658]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.472281][ T1658]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.472412][ T1658]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   98.472548][ T1658]  ops_init (net/core/net_namespace.c:137)
[   98.472648][ T1658]  setup_net (net/core/net_namespace.c:446)
[   98.472746][ T1658]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.472880][ T1658]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.473015][ T1658]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.473148][ T1658]  copy_net_ns (net/core/net_namespace.c:579)
[   98.473279][ T1658]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.473412][ T1658]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.473547][ T1658]  ksys_unshare (kernel/fork.c:3243)
[   98.473677][ T1658]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.473807][ T1658]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.473941][ T1658]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.474078][ T1658]  ? __ia32_sys_open (fs/open.c:1374)
[   98.474209][ T1658]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.474338][ T1658]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.474467][ T1658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.474600][ T1658]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.474730][ T1658]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.474861][ T1658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.475031][ T1658] RIP: 0033:0x7fbd271c6bcb
[   98.475165][ T1658] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.475626][ T1658] RSP: 002b:00007ffee6fddce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   98.475823][ T1658] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbd271c6bcb
[   98.476026][ T1658] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.476219][ T1658] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.476411][ T1658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee6fdff10
[   98.476609][ T1658] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee6fe0847
| [   98.480400][ T1658] ------------[ cut here ]------------
| [   98.480539][ T1658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1658
| [   98.480800][ T1658] Modules linked in:
| [   98.481178][ T1658] Tainted: [W]=WARN
[   98.481279][ T1658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.481445][ T1658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.481618][ T1658] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.482095][ T1658] RSP: 0018:ffa0000004be78f8 EFLAGS: 00010286
[   98.482259][ T1658] RAX: 00000000ffffffa6 RBX: ff1100000d6d6040 RCX: 1ff400000097cee5
[   98.482456][ T1658] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d60fc
[   98.482653][ T1658] RBP: ff11000005fb1000 R08: 1fe2200001adac21 R09: ff110000104b2e80
[   98.482848][ T1658] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.483055][ T1658] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005fb1000
[   98.483253][ T1658] FS:  00007fbd26f04840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.483481][ T1658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.483647][ T1658] CR2: 00007fbd27110690 CR3: 0000000010578003 CR4: 0000000000771ef0
[   98.483844][ T1658] PKRU: 55555554
[   98.483949][ T1658] Call Trace:
[   98.484047][ T1658]  <TASK>
[   98.484116][ T1658]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.484249][ T1658]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.484380][ T1658]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.484480][ T1658]  register_netdevice (net/core/dev.c:11488)
[   98.484618][ T1658]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.484781][ T1658]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.484919][ T1658]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.485056][ T1658]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.485189][ T1658]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.485322][ T1658]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.485453][ T1658]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.485587][ T1658]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   98.485720][ T1658]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   98.485855][ T1658]  vti_init_net (net/ipv4/ip_vti.c:517)
[   98.485996][ T1658]  ops_init (net/core/net_namespace.c:137)
[   98.486098][ T1658]  setup_net (net/core/net_namespace.c:446)
[   98.486198][ T1658]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.486331][ T1658]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.486462][ T1658]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.486601][ T1658]  copy_net_ns (net/core/net_namespace.c:579)
[   98.486734][ T1658]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.486873][ T1658]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.487013][ T1658]  ksys_unshare (kernel/fork.c:3243)
[   98.487144][ T1658]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.487277][ T1658]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.487408][ T1658]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.487545][ T1658]  ? __ia32_sys_open (fs/open.c:1374)
[   98.487678][ T1658]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.487810][ T1658]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.487951][ T1658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.488083][ T1658]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.488215][ T1658]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.488347][ T1658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.488515][ T1658] RIP: 0033:0x7fbd271c6bcb
[   98.488651][ T1658] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.489127][ T1658] RSP: 002b:00007ffee6fddce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   98.489326][ T1658] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbd271c6bcb
[   98.489526][ T1658] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.489723][ T1658] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.489925][ T1658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee6fdff10
[   98.490129][ T1658] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee6fe0847
| [   98.494251][ T1658] ------------[ cut here ]------------
| [   98.494388][ T1658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1658
| [   98.494652][ T1658] Modules linked in:
| [   98.495345][ T1658] Tainted: [W]=WARN
[   98.495444][ T1658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.495610][ T1658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.495779][ T1658] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.496251][ T1658] RSP: 0018:ffa0000004be7a78 EFLAGS: 00010286
[   98.496416][ T1658] RAX: 00000000ffffffa6 RBX: ff1100000901ec80 RCX: 1ff400000097cf15
[   98.496614][ T1658] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901ed3c
[   98.496809][ T1658] RBP: ff1100000a394000 R08: 1fe2200001203da9 R09: ff110000104b2e80
[   98.497013][ T1658] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.497209][ T1658] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a394000
[   98.497404][ T1658] FS:  00007fbd26f04840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.497637][ T1658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.497801][ T1658] CR2: 00007fbd27110690 CR3: 0000000010578003 CR4: 0000000000771ef0
[   98.498009][ T1658] PKRU: 55555554
[   98.498106][ T1658] Call Trace:
[   98.498203][ T1658]  <TASK>
[   98.498271][ T1658]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.498401][ T1658]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.498536][ T1658]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.498636][ T1658]  register_netdevice (net/core/dev.c:11488)
[   98.498768][ T1658]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.498937][ T1658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.499078][ T1658]  register_netdev (net/core/dev.c:11552)
[   98.499209][ T1658]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   98.499342][ T1658]  ops_init (net/core/net_namespace.c:137)
[   98.499441][ T1658]  setup_net (net/core/net_namespace.c:446)
[   98.499543][ T1658]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.499674][ T1658]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.499806][ T1658]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.499949][ T1658]  copy_net_ns (net/core/net_namespace.c:579)
[   98.500082][ T1658]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.500216][ T1658]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.500348][ T1658]  ksys_unshare (kernel/fork.c:3243)
[   98.500479][ T1658]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.500613][ T1658]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.500745][ T1658]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.500881][ T1658]  ? __ia32_sys_open (fs/open.c:1374)
[   98.501019][ T1658]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.501148][ T1658]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.501366][ T1658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.501496][ T1658]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.501629][ T1658]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.501760][ T1658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.502022][ T1658] RIP: 0033:0x7fbd271c6bcb
[   98.502156][ T1658] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.502713][ T1658] RSP: 002b:00007ffee6fddce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   98.502914][ T1658] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbd271c6bcb
[   98.503203][ T1658] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.503397][ T1658] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.503595][ T1658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee6fdff10
[   98.503880][ T1658] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee6fe0847
| [   98.514135][ T1658] ------------[ cut here ]------------
| [   98.514283][ T1658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1658
| [   98.514547][ T1658] Modules linked in:
| [   98.514919][ T1658] Tainted: [W]=WARN
[   98.515023][ T1658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.515186][ T1658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.515358][ T1658] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.515825][ T1658] RSP: 0018:ffa0000004be7a68 EFLAGS: 00010286
[   98.516007][ T1658] RAX: 00000000ffffffa6 RBX: ff1100000e440740 RCX: 1ff400000097cf13
[   98.516201][ T1658] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4407fc
[   98.516396][ T1658] RBP: ff1100000e434000 R08: 1fe2200001c88101 R09: ff110000104b2e80
[   98.516595][ T1658] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   98.516789][ T1658] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e434000
[   98.516996][ T1658] FS:  00007fbd26f04840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   98.517224][ T1658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.517388][ T1658] CR2: 00007fd876abb000 CR3: 0000000010578005 CR4: 0000000000771ef0
[   98.517585][ T1658] PKRU: 55555554
[   98.517682][ T1658] Call Trace:
[   98.517779][ T1658]  <TASK>
[   98.517846][ T1658]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.517988][ T1658]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.518119][ T1658]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.518217][ T1658]  register_netdevice (net/core/dev.c:11488)
[   98.518347][ T1658]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.518515][ T1658]  register_netdev (net/core/dev.c:11552)
[   98.518645][ T1658]  sit_init_net (net/ipv6/sit.c:1860)
[   98.518778][ T1658]  ops_init (net/core/net_namespace.c:137)
[   98.518882][ T1658]  setup_net (net/core/net_namespace.c:446)
[   98.518987][ T1658]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.519116][ T1658]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.519246][ T1658]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.519376][ T1658]  copy_net_ns (net/core/net_namespace.c:579)
[   98.519509][ T1658]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.519642][ T1658]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.519773][ T1658]  ksys_unshare (kernel/fork.c:3243)
[   98.519911][ T1658]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.520045][ T1658]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.520175][ T1658]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.520304][ T1658]  ? __ia32_sys_open (fs/open.c:1374)
[   98.520434][ T1658]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.520567][ T1658]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.520694][ T1658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.520823][ T1658]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.520963][ T1658]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.521092][ T1658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.521253][ T1658] RIP: 0033:0x7fbd271c6bcb
[   98.521388][ T1658] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.521848][ T1658] RSP: 002b:00007ffee6fddce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   98.522057][ T1658] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbd271c6bcb
[   98.522250][ T1658] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.522443][ T1658] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.522639][ T1658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee6fdff10
[   98.522833][ T1658] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee6fe0847
| [   98.527470][ T1658] ------------[ cut here ]------------
| [   98.527613][ T1658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1658
| [   98.527878][ T1658] Modules linked in:
| [   98.528252][ T1658] Tainted: [W]=WARN
[   98.528349][ T1658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.528516][ T1658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.528685][ T1658] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.529158][ T1658] RSP: 0018:ffa0000004be7a78 EFLAGS: 00010286
[   98.529323][ T1658] RAX: 00000000ffffffa6 RBX: ff1100000d513a80 RCX: 1ff400000097cf15
[   98.529520][ T1658] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d513b3c
[   98.529714][ T1658] RBP: ff1100000988c000 R08: 1fe2200001aa2769 R09: ff110000104b2e80
[   98.529913][ T1658] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   98.530112][ T1658] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000988c000
[   98.530311][ T1658] FS:  00007fbd26f04840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   98.530542][ T1658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.530704][ T1658] CR2: 00007fd876abb000 CR3: 0000000010578005 CR4: 0000000000771ef0
[   98.530905][ T1658] PKRU: 55555554
[   98.531010][ T1658] Call Trace:
[   98.531108][ T1658]  <TASK>
[   98.531174][ T1658]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.531305][ T1658]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.531436][ T1658]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.531538][ T1658]  register_netdevice (net/core/dev.c:11488)
[   98.531669][ T1658]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.531829][ T1658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.531974][ T1658]  register_netdev (net/core/dev.c:11552)
[   98.532103][ T1658]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   98.532233][ T1658]  ops_init (net/core/net_namespace.c:137)
[   98.532332][ T1658]  setup_net (net/core/net_namespace.c:446)
[   98.532430][ T1658]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.532563][ T1658]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.532692][ T1658]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.532825][ T1658]  copy_net_ns (net/core/net_namespace.c:579)
[   98.532963][ T1658]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.533096][ T1658]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.533226][ T1658]  ksys_unshare (kernel/fork.c:3243)
[   98.533354][ T1658]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.533483][ T1658]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.533614][ T1658]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.533745][ T1658]  ? __ia32_sys_open (fs/open.c:1374)
[   98.533880][ T1658]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.534014][ T1658]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.534143][ T1658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.534273][ T1658]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.534402][ T1658]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.534535][ T1658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.534694][ T1658] RIP: 0033:0x7fbd271c6bcb
[   98.534831][ T1658] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.535301][ T1658] RSP: 002b:00007ffee6fddce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   98.535497][ T1658] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbd271c6bcb
[   98.535696][ T1658] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.535893][ T1658] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.536091][ T1658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee6fdff10
[   98.536284][ T1658] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee6fe0847
| [   98.572086][ T1659] ------------[ cut here ]------------
| [   98.572234][ T1659] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1659
| [   98.572495][ T1659] Modules linked in:
| [   98.572860][ T1659] Tainted: [W]=WARN
[   98.573140][ T1659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.573303][ T1659] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.573471][ T1659] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.573943][ T1659] RSP: 0018:ffa0000004bf7020 EFLAGS: 00010286
[   98.574112][ T1659] RAX: 00000000ffffffa6 RBX: ff1100000f1b4740 RCX: 1ff400000097edca
[   98.574307][ T1659] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b47fc
[   98.574498][ T1659] RBP: ff11000008c11000 R08: 1fe2200001e36901 R09: ff110000104b0b58
[   98.574696][ T1659] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   98.574896][ T1659] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   98.575096][ T1659] FS:  00007f569eec2840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   98.575321][ T1659] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.575484][ T1659] CR2: 00007f569f1921a0 CR3: 0000000012a87005 CR4: 0000000000771ef0
[   98.575683][ T1659] PKRU: 55555554
[   98.575781][ T1659] Call Trace:
[   98.575881][ T1659]  <TASK>
[   98.575954][ T1659]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.576086][ T1659]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.576185][ T1659]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   98.576314][ T1659]  __dev_notify_flags (net/core/dev.c:9787)
[   98.576444][ T1659]  ? netif_change_name (net/core/dev.c:1495)
[   98.576579][ T1659]  ? __dev_change_flags (net/core/dev.c:9752)
[   98.576709][ T1659]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   98.576838][ T1659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.576980][ T1659]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   98.577111][ T1659]  netif_change_flags (net/core/dev.c:9820)
[   98.577241][ T1659]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   98.577371][ T1659]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   98.577503][ T1659]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   98.577637][ T1659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   98.577798][ T1659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.577934][ T1659]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.578069][ T1659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   98.578197][ T1659]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.578326][ T1659]  ? __kernel_text_address (kernel/extable.c:79)
[   98.578455][ T1659]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.578588][ T1659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.578718][ T1659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.578847][ T1659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.578988][ T1659]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.579116][ T1659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.579245][ T1659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.579373][ T1659]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   98.579503][ T1659]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   98.579635][ T1659]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   98.579764][ T1659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.579901][ T1659]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.580039][ T1659]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   98.580173][ T1659]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   98.580304][ T1659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.580433][ T1659]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.580569][ T1659]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.580699][ T1659]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   98.580827][ T1659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.580971][ T1659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.581099][ T1659]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.581228][ T1659]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.581357][ T1659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.581488][ T1659]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.581621][ T1659]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   98.581752][ T1659]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.581884][ T1659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.582019][ T1659]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.582150][ T1659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.582277][ T1659]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.582407][ T1659]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   98.582543][ T1659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.582672][ T1659]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.582805][ T1659]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   98.582939][ T1659]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   98.583077][ T1659]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.583208][ T1659]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.583338][ T1659]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.583470][ T1659]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   98.583604][ T1659]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   98.583734][ T1659]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   98.583872][ T1659]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   98.584009][ T1659]  ? copy_msghdr_from_user (net/socket.c:2635)
[   98.584138][ T1659]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   98.584297][ T1659]  ? move_addr_to_kernel (net/socket.c:258)
[   98.584428][ T1659]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.584563][ T1659]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.584693][ T1659]  ___sys_sendmsg (net/socket.c:2752)
[   98.584821][ T1659]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   98.584994][ T1659]  ? copy_msghdr_from_user (net/socket.c:2603)
[   98.585136][ T1659]  __sys_sendmsg (net/socket.c:2784)
[   98.585265][ T1659]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   98.585394][ T1659]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   98.585561][ T1659]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.585690][ T1659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.585820][ T1659]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.585960][ T1659]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.586090][ T1659]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.586219][ T1659]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.586380][ T1659] RIP: 0033:0x7f569f0fc08e
[   98.586519][ T1659] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   98.586986][ T1659] RSP: 002b:00007fff97947780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.587179][ T1659] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f569f0fc08e
[   98.587371][ T1659] RDX: 0000000000000000 RSI: 00007fff97947830 RDI: 0000000000000005
[   98.587567][ T1659] RBP: 00007fff97947790 R08: 0000000000000000 R09: 0000000000000000
[   98.587758][ T1659] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd4e
[   98.587960][ T1659] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff97947f00
| [   98.782075][ T1667] ------------[ cut here ]------------
| [   98.782228][ T1667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1667
| [   98.782488][ T1667] Modules linked in:
| [   98.782858][ T1667] Tainted: [W]=WARN
[   98.782966][ T1667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.783132][ T1667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.783303][ T1667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.783766][ T1667] RSP: 0018:ffa0000004c67a80 EFLAGS: 00010286
[   98.783953][ T1667] RAX: 00000000ffffffa6 RBX: ff1100000ee518c0 RCX: 1ff400000098cf16
[   98.784151][ T1667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5197c
[   98.784344][ T1667] RBP: ff1100000edf9000 R08: 1fe2200001dca331 R09: ff11000010288b80
[   98.784541][ T1667] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.784736][ T1667] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edf9000
[   98.784938][ T1667] FS:  00007f7266790840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.785168][ T1667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.785330][ T1667] CR2: 00007f7266997430 CR3: 000000000d5c9006 CR4: 0000000000771ef0
[   98.785524][ T1667] PKRU: 55555554
[   98.785623][ T1667] Call Trace:
[   98.785720][ T1667]  <TASK>
[   98.785788][ T1667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.785923][ T1667]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.786057][ T1667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.786157][ T1667]  register_netdevice (net/core/dev.c:11488)
[   98.786289][ T1667]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.786451][ T1667]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.786584][ T1667]  register_netdev (net/core/dev.c:11552)
[   98.786714][ T1667]  loopback_net_init (drivers/net/loopback.c:218)
[   98.786844][ T1667]  ops_init (net/core/net_namespace.c:137)
[   98.786951][ T1667]  setup_net (net/core/net_namespace.c:446)
[   98.787050][ T1667]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.787179][ T1667]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.787309][ T1667]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.787443][ T1667]  copy_net_ns (net/core/net_namespace.c:579)
[   98.787577][ T1667]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.787710][ T1667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.787841][ T1667]  ksys_unshare (kernel/fork.c:3243)
[   98.787981][ T1667]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.788111][ T1667]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.788241][ T1667]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.788373][ T1667]  ? __ia32_sys_open (fs/open.c:1374)
[   98.788506][ T1667]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.788637][ T1667]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.788765][ T1667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.788899][ T1667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.789034][ T1667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.789163][ T1667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.789323][ T1667] RIP: 0033:0x7f7266a52bcb
[   98.789460][ T1667] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.789935][ T1667] RSP: 002b:00007ffdcc180e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.790136][ T1667] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7266a52bcb
[   98.790330][ T1667] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.790524][ T1667] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.790715][ T1667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcc183090
[   98.790912][ T1667] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcc183847
| [   98.795368][ T1667] ------------[ cut here ]------------
| [   98.795502][ T1667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1667
| [   98.795759][ T1667] Modules linked in:
| [   98.796127][ T1667] Tainted: [W]=WARN
[   98.796225][ T1667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.796384][ T1667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.796552][ T1667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.797018][ T1667] RSP: 0018:ffa0000004c67918 EFLAGS: 00010286
[   98.797180][ T1667] RAX: 00000000ffffffa6 RBX: ff1100000a16ac80 RCX: 1ff400000098cee9
[   98.797372][ T1667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16ad3c
[   98.797567][ T1667] RBP: ff11000010474000 R08: 1fe220000142d5a9 R09: ff11000010288b80
[   98.797759][ T1667] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.798468][ T1667] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010474000
[   98.798668][ T1667] FS:  00007f7266790840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.798953][ T1667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.799115][ T1667] CR2: 00007f7266997430 CR3: 000000000d5c9006 CR4: 0000000000771ef0
[   98.799308][ T1667] PKRU: 55555554
[   98.799404][ T1667] Call Trace:
[   98.799500][ T1667]  <TASK>
[   98.799570][ T1667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.799698][ T1667]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.799826][ T1667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.799981][ T1667]  register_netdevice (net/core/dev.c:11488)
[   98.800110][ T1667]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.800271][ T1667]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.800401][ T1667]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.800533][ T1667]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.800713][ T1667]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.800846][ T1667]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.801032][ T1667]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.801162][ T1667]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   98.801292][ T1667]  ops_init (net/core/net_namespace.c:137)
[   98.801391][ T1667]  setup_net (net/core/net_namespace.c:446)
[   98.801488][ T1667]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.801617][ T1667]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.801744][ T1667]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.801928][ T1667]  copy_net_ns (net/core/net_namespace.c:579)
[   98.802062][ T1667]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.802192][ T1667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.802320][ T1667]  ksys_unshare (kernel/fork.c:3243)
[   98.802447][ T1667]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.802579][ T1667]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.802709][ T1667]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.802837][ T1667]  ? __ia32_sys_open (fs/open.c:1374)
[   98.803023][ T1667]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.803150][ T1667]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.803276][ T1667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.803402][ T1667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.803534][ T1667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.803662][ T1667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.803822][ T1667] RIP: 0033:0x7f7266a52bcb
[   98.804014][ T1667] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.804468][ T1667] RSP: 002b:00007ffdcc180e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.804665][ T1667] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7266a52bcb
[   98.804856][ T1667] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.805105][ T1667] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.805297][ T1667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcc183090
[   98.805488][ T1667] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcc183847
| [   98.809713][ T1667] ------------[ cut here ]------------
| [   98.809846][ T1667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1667
| [   98.810113][ T1667] Modules linked in:
| [   98.810474][ T1667] Tainted: [W]=WARN
[   98.810577][ T1667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.810739][ T1667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.810912][ T1667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.811380][ T1667] RSP: 0018:ffa0000004c678f8 EFLAGS: 00010286
[   98.811547][ T1667] RAX: 00000000ffffffa6 RBX: ff1100000ceec200 RCX: 1ff400000098cee5
[   98.811742][ T1667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec2bc
[   98.812449][ T1667] RBP: ff11000008bac000 R08: 1fe22000019dd859 R09: ff11000010288b80
[   98.812646][ T1667] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.812838][ T1667] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bac000
[   98.813100][ T1667] FS:  00007f7266790840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   98.813328][ T1667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.813490][ T1667] CR2: 00007f7266997430 CR3: 000000000d5c9006 CR4: 0000000000771ef0
[   98.813687][ T1667] PKRU: 55555554
[   98.813785][ T1667] Call Trace:
[   98.813935][ T1667]  <TASK>
[   98.814006][ T1667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.814189][ T1667]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.814320][ T1667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.814419][ T1667]  register_netdevice (net/core/dev.c:11488)
[   98.814553][ T1667]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.814717][ T1667]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.814849][ T1667]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.815039][ T1667]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.815170][ T1667]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.815300][ T1667]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.815428][ T1667]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.815562][ T1667]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   98.815692][ T1667]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   98.815826][ T1667]  vti_init_net (net/ipv4/ip_vti.c:517)
[   98.816015][ T1667]  ops_init (net/core/net_namespace.c:137)
[   98.816114][ T1667]  setup_net (net/core/net_namespace.c:446)
[   98.816212][ T1667]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.816342][ T1667]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.816472][ T1667]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.816607][ T1667]  copy_net_ns (net/core/net_namespace.c:579)
[   98.816738][ T1667]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.816925][ T1667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.817058][ T1667]  ksys_unshare (kernel/fork.c:3243)
[   98.817189][ T1667]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.817317][ T1667]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.817447][ T1667]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.817582][ T1667]  ? __ia32_sys_open (fs/open.c:1374)
[   98.817714][ T1667]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.817843][ T1667]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.818031][ T1667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.818162][ T1667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.818293][ T1667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.818422][ T1667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.818583][ T1667] RIP: 0033:0x7f7266a52bcb
[   98.818718][ T1667] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.819238][ T1667] RSP: 002b:00007ffdcc180e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.819433][ T1667] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7266a52bcb
[   98.819628][ T1667] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.819819][ T1667] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.820072][ T1667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcc183090
[   98.820267][ T1667] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcc183847
| [   98.829858][ T1667] ------------[ cut here ]------------
| [   98.830077][ T1667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1667
| [   98.830374][ T1667] Modules linked in:
| [   98.830831][ T1667] Tainted: [W]=WARN
[   98.831003][ T1667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.831217][ T1667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.831432][ T1667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.831958][ T1667] RSP: 0018:ffa0000004c67a78 EFLAGS: 00010286
[   98.832169][ T1667] RAX: 00000000ffffffa6 RBX: ff1100000a8ce900 RCX: 1ff400000098cf15
[   98.832408][ T1667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8ce9bc
[   98.832654][ T1667] RBP: ff11000005011000 R08: 1fe2200001519d39 R09: ff11000010288b80
[   98.832911][ T1667] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.833152][ T1667] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005011000
[   98.833394][ T1667] FS:  00007f7266790840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   98.833675][ T1667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.833896][ T1667] CR2: 000055dfdb5e2d5c CR3: 000000000d5c9006 CR4: 0000000000771ef0
[   98.834144][ T1667] PKRU: 55555554
[   98.834286][ T1667] Call Trace:
[   98.834428][ T1667]  <TASK>
[   98.834550][ T1667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.834729][ T1667]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.834916][ T1667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.835080][ T1667]  register_netdevice (net/core/dev.c:11488)
[   98.835258][ T1667]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.835464][ T1667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.835651][ T1667]  register_netdev (net/core/dev.c:11552)
[   98.835830][ T1667]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   98.836025][ T1667]  ops_init (net/core/net_namespace.c:137)
[   98.836172][ T1667]  setup_net (net/core/net_namespace.c:446)
[   98.836318][ T1667]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.836493][ T1667]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.836678][ T1667]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.836856][ T1667]  copy_net_ns (net/core/net_namespace.c:579)
[   98.837057][ T1667]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.837238][ T1667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.837415][ T1667]  ksys_unshare (kernel/fork.c:3243)
[   98.837598][ T1667]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.837773][ T1667]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.837968][ T1667]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.838145][ T1667]  ? __ia32_sys_open (fs/open.c:1374)
[   98.838326][ T1667]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.838500][ T1667]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.838682][ T1667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.838860][ T1667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.839057][ T1667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.839234][ T1667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.839439][ T1667] RIP: 0033:0x7f7266a52bcb
[   98.839625][ T1667] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.840205][ T1667] RSP: 002b:00007ffdcc180e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.840441][ T1667] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7266a52bcb
[   98.840684][ T1667] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.840939][ T1667] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.841183][ T1667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcc183090
[   98.841419][ T1667] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcc183847
| [   98.846796][ T1667] ------------[ cut here ]------------
| [   98.846981][ T1667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1667
| [   98.847283][ T1667] Modules linked in:
| [   98.847755][ T1667] Tainted: [W]=WARN
[   98.847910][ T1667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.848122][ T1667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.848337][ T1667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.848849][ T1667] RSP: 0018:ffa0000004c67a68 EFLAGS: 00010286
[   98.849143][ T1667] RAX: 00000000ffffffa6 RBX: ff110000105f38c0 RCX: 1ff400000098cf13
[   98.849436][ T1667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f397c
[   98.849734][ T1667] RBP: ff11000008c64000 R08: 1fe22000020be731 R09: ff11000010288b80
[   98.850055][ T1667] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.850347][ T1667] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c64000
[   98.850649][ T1667] FS:  00007f7266790840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   98.850995][ T1667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.851242][ T1667] CR2: 000055dfdb5e2d5c CR3: 000000000d5c9006 CR4: 0000000000771ef0
[   98.851480][ T1667] PKRU: 55555554
[   98.851629][ T1667] Call Trace:
[   98.851772][ T1667]  <TASK>
[   98.851898][ T1667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.852087][ T1667]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.852266][ T1667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.852416][ T1667]  register_netdevice (net/core/dev.c:11488)
[   98.852601][ T1667]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.852812][ T1667]  register_netdev (net/core/dev.c:11552)
[   98.853013][ T1667]  sit_init_net (net/ipv6/sit.c:1860)
[   98.853193][ T1667]  ops_init (net/core/net_namespace.c:137)
[   98.853339][ T1667]  setup_net (net/core/net_namespace.c:446)
[   98.853483][ T1667]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.853664][ T1667]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.853843][ T1667]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.854043][ T1667]  copy_net_ns (net/core/net_namespace.c:579)
[   98.854224][ T1667]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.854404][ T1667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.854588][ T1667]  ksys_unshare (kernel/fork.c:3243)
[   98.854765][ T1667]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.854961][ T1667]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.855138][ T1667]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.855315][ T1667]  ? __ia32_sys_open (fs/open.c:1374)
[   98.855493][ T1667]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.855676][ T1667]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.855852][ T1667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.856052][ T1667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.856230][ T1667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.856411][ T1667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.856624][ T1667] RIP: 0033:0x7f7266a52bcb
[   98.856804][ T1667] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.857325][ T1667] RSP: 002b:00007ffdcc180e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.857578][ T1667] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7266a52bcb
[   98.857818][ T1667] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.858076][ T1667] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.858312][ T1667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcc183090
[   98.858557][ T1667] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcc183847
| [   98.863660][ T1667] ------------[ cut here ]------------
| [   98.863835][ T1667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1667
| [   98.864156][ T1667] Modules linked in:
| [   98.864614][ T1667] Tainted: [W]=WARN
[   98.864758][ T1667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.864982][ T1667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.865200][ T1667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.865711][ T1667] RSP: 0018:ffa0000004c67a78 EFLAGS: 00010286
[   98.866442][ T1667] RAX: 00000000ffffffa6 RBX: ff1100000a9a6040 RCX: 1ff400000098cf15
[   98.866747][ T1667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a60fc
[   98.867058][ T1667] RBP: ff11000012824000 R08: 1fe2200001534c21 R09: ff11000010288b80
[   98.867347][ T1667] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.867645][ T1667] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012824000
[   98.867963][ T1667] FS:  00007f7266790840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   98.868289][ T1667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.868569][ T1667] CR2: 000055dfdb5e2d5c CR3: 000000000d5c9006 CR4: 0000000000771ef0
[   98.868923][ T1667] PKRU: 55555554
[   98.869128][ T1667] Call Trace:
[   98.869323][ T1667]  <TASK>
[   98.869489][ T1667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.869728][ T1667]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.869979][ T1667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.870177][ T1667]  register_netdevice (net/core/dev.c:11488)
[   98.870407][ T1667]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.870674][ T1667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.870918][ T1667]  register_netdev (net/core/dev.c:11552)
[   98.871156][ T1667]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   98.871386][ T1667]  ops_init (net/core/net_namespace.c:137)
[   98.871587][ T1667]  setup_net (net/core/net_namespace.c:446)
[   98.871785][ T1667]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.872014][ T1667]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.872190][ T1667]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.872368][ T1667]  copy_net_ns (net/core/net_namespace.c:579)
[   98.872553][ T1667]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.872734][ T1667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.872921][ T1667]  ksys_unshare (kernel/fork.c:3243)
[   98.873107][ T1667]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.873282][ T1667]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.873459][ T1667]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.873644][ T1667]  ? __ia32_sys_open (fs/open.c:1374)
[   98.873822][ T1667]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.874023][ T1667]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.874199][ T1667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.874373][ T1667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.874554][ T1667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.874731][ T1667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.874957][ T1667] RIP: 0033:0x7f7266a52bcb
[   98.875138][ T1667] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   98.875652][ T1667] RSP: 002b:00007ffdcc180e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.875908][ T1667] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7266a52bcb
[   98.876156][ T1667] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.876398][ T1667] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.876644][ T1667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcc183090
[   98.876894][ T1667] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcc183847
| [   98.906408][ T1668] ------------[ cut here ]------------
| [   98.906559][ T1668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1668
| [   98.906819][ T1668] Modules linked in:
| [   98.907195][ T1668] Tainted: [W]=WARN
[   98.907291][ T1668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.907452][ T1668] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.907621][ T1668] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   98.908092][ T1668] RSP: 0018:ffa0000004c67020 EFLAGS: 00010286
[   98.908256][ T1668] RAX: 00000000ffffffa6 RBX: ff110000096d8e40 RCX: 1ff400000098cdca
[   98.908448][ T1668] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096d8efc
[   98.908642][ T1668] RBP: ff1100000edf9000 R08: 1fe22000012db1e1 R09: ff1100001028ae58
[   98.908832][ T1668] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   98.909034][ T1668] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   98.909229][ T1668] FS:  00007f6129c3e840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[   98.909454][ T1668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.909617][ T1668] CR2: 0000000023b7c988 CR3: 0000000012ad8006 CR4: 0000000000771ef0
[   98.909810][ T1668] PKRU: 55555554
[   98.909912][ T1668] Call Trace:
[   98.910015][ T1668]  <TASK>
[   98.910083][ T1668]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.910214][ T1668]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.910312][ T1668]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   98.910439][ T1668]  __dev_notify_flags (net/core/dev.c:9787)
[   98.910574][ T1668]  ? netif_change_name (net/core/dev.c:1495)
[   98.910704][ T1668]  ? __dev_change_flags (net/core/dev.c:9752)
[   98.910834][ T1668]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   98.910976][ T1668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.911107][ T1668]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   98.911238][ T1668]  netif_change_flags (net/core/dev.c:9820)
[   98.911368][ T1668]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   98.911497][ T1668]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   98.911634][ T1668]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   98.911764][ T1668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   98.911934][ T1668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.912068][ T1668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.912196][ T1668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   98.912325][ T1668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.912455][ T1668]  ? __kernel_text_address (kernel/extable.c:79)
[   98.912587][ T1668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.912718][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.912848][ T1668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.913624][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.913757][ T1668]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.913966][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.914096][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.914224][ T1668]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   98.914353][ T1668]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   98.914483][ T1668]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   98.914614][ T1668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.914745][ T1668]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.914970][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   98.915104][ T1668]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   98.915234][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.915362][ T1668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.915492][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.915625][ T1668]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   98.915792][ T1668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.915928][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.916062][ T1668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.916191][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.916320][ T1668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.916450][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.916582][ T1668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   98.916712][ T1668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.916841][ T1668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.916981][ T1668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.917111][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.917239][ T1668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.917370][ T1668]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   98.917500][ T1668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.917634][ T1668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.917770][ T1668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   98.917904][ T1668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   98.918044][ T1668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.918176][ T1668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.918306][ T1668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.918437][ T1668]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   98.918573][ T1668]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   98.918705][ T1668]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   98.918837][ T1668]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   98.918979][ T1668]  ? copy_msghdr_from_user (net/socket.c:2635)
[   98.919108][ T1668]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   98.919266][ T1668]  ? move_addr_to_kernel (net/socket.c:258)
[   98.919397][ T1668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.919530][ T1668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.919662][ T1668]  ___sys_sendmsg (net/socket.c:2752)
[   98.919793][ T1668]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   98.919964][ T1668]  ? copy_msghdr_from_user (net/socket.c:2603)
[   98.920106][ T1668]  __sys_sendmsg (net/socket.c:2784)
[   98.920236][ T1668]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   98.920365][ T1668]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   98.920531][ T1668]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.920661][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.920790][ T1668]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.920926][ T1668]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.921060][ T1668]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.921190][ T1668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.921349][ T1668] RIP: 0033:0x7f6129e7808e
[   98.921484][ T1668] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   98.921951][ T1668] RSP: 002b:00007ffec880a480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.922148][ T1668] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6129e7808e
[   98.922339][ T1668] RDX: 0000000000000000 RSI: 00007ffec880a530 RDI: 0000000000000005
[   98.922537][ T1668] RBP: 00007ffec880a490 R08: 0000000000000000 R09: 0000000000000000
[   98.922731][ T1668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd4f
[   98.922934][ T1668] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec880ac00
| [   99.122434][ T1676] ------------[ cut here ]------------
| [   99.122601][ T1676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1676
| [   99.122862][ T1676] Modules linked in:
| [   99.123241][ T1676] Tainted: [W]=WARN
[   99.123338][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.123499][ T1676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.123671][ T1676] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.124141][ T1676] RSP: 0018:ffa0000003c97a80 EFLAGS: 00010286
[   99.124304][ T1676] RAX: 00000000ffffffa6 RBX: ff1100000ee51000 RCX: 1ff4000000792f16
[   99.124497][ T1676] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee510bc
[   99.124695][ T1676] RBP: ff110000094d4000 R08: 1fe2200001dca219 R09: ff1100001088ae80
[   99.124893][ T1676] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   99.125090][ T1676] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094d4000
[   99.125293][ T1676] FS:  00007f5a20375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.125523][ T1676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.125685][ T1676] CR2: 00007f5a20581690 CR3: 0000000012562006 CR4: 0000000000771ef0
[   99.125882][ T1676] PKRU: 55555554
[   99.125984][ T1676] Call Trace:
[   99.126080][ T1676]  <TASK>
[   99.126148][ T1676]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.126278][ T1676]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.126408][ T1676]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.126508][ T1676]  register_netdevice (net/core/dev.c:11488)
[   99.126640][ T1676]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.126800][ T1676]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.126938][ T1676]  register_netdev (net/core/dev.c:11552)
[   99.127071][ T1676]  loopback_net_init (drivers/net/loopback.c:218)
[   99.127202][ T1676]  ops_init (net/core/net_namespace.c:137)
[   99.127302][ T1676]  setup_net (net/core/net_namespace.c:446)
[   99.127398][ T1676]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.127530][ T1676]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.127660][ T1676]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.127792][ T1676]  copy_net_ns (net/core/net_namespace.c:579)
[   99.127928][ T1676]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.128064][ T1676]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.128194][ T1676]  ksys_unshare (kernel/fork.c:3243)
[   99.128323][ T1676]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.128452][ T1676]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.128583][ T1676]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.128715][ T1676]  ? __ia32_sys_open (fs/open.c:1374)
[   99.128845][ T1676]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.128983][ T1676]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.129114][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.129241][ T1676]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.129369][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.129498][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.129660][ T1676] RIP: 0033:0x7f5a20637bcb
[   99.129796][ T1676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   99.130267][ T1676] RSP: 002b:00007fffdee39ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.130461][ T1676] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a20637bcb
[   99.130656][ T1676] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.130846][ T1676] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.131049][ T1676] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffdee3c100
[   99.131241][ T1676] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdee3c847
| [   99.135380][ T1676] ------------[ cut here ]------------
| [   99.135517][ T1676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1676
| [   99.135771][ T1676] Modules linked in:
| [   99.136301][ T1676] Tainted: [W]=WARN
[   99.136400][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.136564][ T1676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.136730][ T1676] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.137193][ T1676] RSP: 0018:ffa0000003c97918 EFLAGS: 00010286
[   99.137354][ T1676] RAX: 00000000ffffffa6 RBX: ff1100000efa1e00 RCX: 1ff4000000792ee9
[   99.137549][ T1676] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa1ebc
[   99.137739][ T1676] RBP: ff11000010259000 R08: 1fe2200001df43d9 R09: ff1100001088ae80
[   99.137938][ T1676] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   99.138135][ T1676] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010259000
[   99.138327][ T1676] FS:  00007f5a20375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.138553][ T1676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.138714][ T1676] CR2: 00007f5a20581690 CR3: 0000000012562006 CR4: 0000000000771ef0
[   99.138913][ T1676] PKRU: 55555554
[   99.139015][ T1676] Call Trace:
[   99.139111][ T1676]  <TASK>
[   99.139178][ T1676]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.139307][ T1676]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.139436][ T1676]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.139538][ T1676]  register_netdevice (net/core/dev.c:11488)
[   99.139669][ T1676]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.139830][ T1676]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.139975][ T1676]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.140106][ T1676]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.140235][ T1676]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.140365][ T1676]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.140494][ T1676]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.140629][ T1676]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   99.140759][ T1676]  ops_init (net/core/net_namespace.c:137)
[   99.140860][ T1676]  setup_net (net/core/net_namespace.c:446)
[   99.140968][ T1676]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.141096][ T1676]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.141225][ T1676]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.141356][ T1676]  copy_net_ns (net/core/net_namespace.c:579)
[   99.141486][ T1676]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.141620][ T1676]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.141751][ T1676]  ksys_unshare (kernel/fork.c:3243)
[   99.141882][ T1676]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.142016][ T1676]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.142144][ T1676]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.142274][ T1676]  ? __ia32_sys_open (fs/open.c:1374)
[   99.142405][ T1676]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.142536][ T1676]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.142665][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.142793][ T1676]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.142928][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.143061][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.143219][ T1676] RIP: 0033:0x7f5a20637bcb
[   99.143353][ T1676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   99.143812][ T1676] RSP: 002b:00007fffdee39ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.144018][ T1676] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a20637bcb
[   99.144210][ T1676] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.144400][ T1676] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.144597][ T1676] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffdee3c100
[   99.144789][ T1676] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdee3c847
| [   99.148675][ T1676] ------------[ cut here ]------------
| [   99.148813][ T1676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1676
| [   99.149083][ T1676] Modules linked in:
| [   99.149445][ T1676] Tainted: [W]=WARN
[   99.149549][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.149712][ T1676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.149885][ T1676] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.150357][ T1676] RSP: 0018:ffa0000003c978f8 EFLAGS: 00010286
[   99.150523][ T1676] RAX: 00000000ffffffa6 RBX: ff1100000dc26c80 RCX: 1ff4000000792ee5
[   99.150718][ T1676] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc26d3c
[   99.150915][ T1676] RBP: ff11000012b71000 R08: 1fe2200001b84da9 R09: ff1100001088ae80
[   99.151115][ T1676] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   99.151309][ T1676] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b71000
[   99.151503][ T1676] FS:  00007f5a20375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.151734][ T1676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.151902][ T1676] CR2: 00007f5a20581690 CR3: 0000000012562006 CR4: 0000000000771ef0
[   99.152106][ T1676] PKRU: 55555554
[   99.152202][ T1676] Call Trace:
[   99.152298][ T1676]  <TASK>
[   99.152366][ T1676]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.152495][ T1676]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.152630][ T1676]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.152730][ T1676]  register_netdevice (net/core/dev.c:11488)
[   99.152862][ T1676]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.153036][ T1676]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.153167][ T1676]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.153299][ T1676]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.153429][ T1676]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.153564][ T1676]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.153695][ T1676]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.153827][ T1676]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   99.153968][ T1676]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.154101][ T1676]  vti_init_net (net/ipv4/ip_vti.c:517)
[   99.154231][ T1676]  ops_init (net/core/net_namespace.c:137)
[   99.154330][ T1676]  setup_net (net/core/net_namespace.c:446)
[   99.154429][ T1676]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.154563][ T1676]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.154695][ T1676]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.154829][ T1676]  copy_net_ns (net/core/net_namespace.c:579)
[   99.154975][ T1676]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.155108][ T1676]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.155239][ T1676]  ksys_unshare (kernel/fork.c:3243)
[   99.155368][ T1676]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.155499][ T1676]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.155632][ T1676]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.155764][ T1676]  ? __ia32_sys_open (fs/open.c:1374)
[   99.155904][ T1676]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.156041][ T1676]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.156171][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.156300][ T1676]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.156429][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.156563][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.156727][ T1676] RIP: 0033:0x7f5a20637bcb
[   99.156864][ T1676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   99.157333][ T1676] RSP: 002b:00007fffdee39ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.157535][ T1676] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a20637bcb
[   99.157731][ T1676] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.157931][ T1676] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.158130][ T1676] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffdee3c100
[   99.158325][ T1676] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdee3c847
| [   99.163397][ T1676] ------------[ cut here ]------------
| [   99.163541][ T1676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1676
| [   99.163794][ T1676] Modules linked in:
| [   99.164168][ T1676] Tainted: [W]=WARN
[   99.164264][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.164424][ T1676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.164597][ T1676] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.165065][ T1676] RSP: 0018:ffa0000003c97a78 EFLAGS: 00010286
[   99.165225][ T1676] RAX: 00000000ffffffa6 RBX: ff1100000f1b6040 RCX: 1ff4000000792f15
[   99.165416][ T1676] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b60fc
[   99.165613][ T1676] RBP: ff11000012901000 R08: 1fe2200001e36c21 R09: ff1100001088ae80
[   99.165805][ T1676] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   99.166006][ T1676] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012901000
[   99.166199][ T1676] FS:  00007f5a20375840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.166425][ T1676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.166588][ T1676] CR2: 00007f5a20581690 CR3: 0000000012562006 CR4: 0000000000771ef0
[   99.166783][ T1676] PKRU: 55555554
[   99.166882][ T1676] Call Trace:
[   99.166983][ T1676]  <TASK>
[   99.167049][ T1676]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.167176][ T1676]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.167305][ T1676]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.167404][ T1676]  register_netdevice (net/core/dev.c:11488)
[   99.167536][ T1676]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.167695][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.167827][ T1676]  register_netdev (net/core/dev.c:11552)
[   99.167966][ T1676]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   99.168097][ T1676]  ops_init (net/core/net_namespace.c:137)
[   99.168195][ T1676]  setup_net (net/core/net_namespace.c:446)
[   99.168294][ T1676]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.168420][ T1676]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.168550][ T1676]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.168680][ T1676]  copy_net_ns (net/core/net_namespace.c:579)
[   99.168808][ T1676]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.168944][ T1676]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.169081][ T1676]  ksys_unshare (kernel/fork.c:3243)
[   99.169208][ T1676]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.169335][ T1676]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.169462][ T1676]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.169594][ T1676]  ? __ia32_sys_open (fs/open.c:1374)
[   99.169724][ T1676]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.169851][ T1676]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.169990][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.170118][ T1676]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.170246][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.170374][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.170535][ T1676] RIP: 0033:0x7f5a20637bcb
[   99.170670][ T1676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   99.171194][ T1676] RSP: 002b:00007fffdee39ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.171387][ T1676] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a20637bcb
[   99.171581][ T1676] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.171772][ T1676] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.172024][ T1676] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffdee3c100
[   99.172215][ T1676] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdee3c847
| [   99.181395][ T1676] ------------[ cut here ]------------
| [   99.181545][ T1676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1676
| [   99.181808][ T1676] Modules linked in:
| [   99.182182][ T1676] Tainted: [W]=WARN
[   99.182279][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.182442][ T1676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.182612][ T1676] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.183085][ T1676] RSP: 0018:ffa0000003c97a68 EFLAGS: 00010286
[   99.183251][ T1676] RAX: 00000000ffffffa6 RBX: ff1100000dc278c0 RCX: 1ff4000000792f13
[   99.183443][ T1676] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2797c
[   99.183646][ T1676] RBP: ff11000012974000 R08: 1fe2200001b84f31 R09: ff1100001088ae80
[   99.183840][ T1676] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   99.184046][ T1676] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012974000
[   99.184241][ T1676] FS:  00007f5a20375840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   99.184470][ T1676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.184637][ T1676] CR2: 00007fc830545000 CR3: 0000000012562004 CR4: 0000000000771ef0
[   99.184834][ T1676] PKRU: 55555554
[   99.184937][ T1676] Call Trace:
[   99.185039][ T1676]  <TASK>
[   99.185106][ T1676]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.185237][ T1676]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.185367][ T1676]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.185466][ T1676]  register_netdevice (net/core/dev.c:11488)
[   99.185601][ T1676]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.185765][ T1676]  register_netdev (net/core/dev.c:11552)
[   99.185900][ T1676]  sit_init_net (net/ipv6/sit.c:1860)
[   99.186036][ T1676]  ops_init (net/core/net_namespace.c:137)
[   99.186136][ T1676]  setup_net (net/core/net_namespace.c:446)
[   99.186236][ T1676]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.186363][ T1676]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.186491][ T1676]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.186626][ T1676]  copy_net_ns (net/core/net_namespace.c:579)
[   99.186756][ T1676]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.186894][ T1676]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.187030][ T1676]  ksys_unshare (kernel/fork.c:3243)
[   99.187160][ T1676]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.187289][ T1676]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.187418][ T1676]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.187550][ T1676]  ? __ia32_sys_open (fs/open.c:1374)
[   99.187681][ T1676]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.187809][ T1676]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.187943][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.188080][ T1676]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.188209][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.188337][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.188496][ T1676] RIP: 0033:0x7f5a20637bcb
[   99.188634][ T1676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   99.189105][ T1676] RSP: 002b:00007fffdee39ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.189298][ T1676] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a20637bcb
[   99.189488][ T1676] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.189682][ T1676] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.189878][ T1676] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffdee3c100
[   99.190076][ T1676] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdee3c847
| [   99.194293][ T1676] ------------[ cut here ]------------
| [   99.194432][ T1676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1676
| [   99.194691][ T1676] Modules linked in:
| [   99.195098][ T1676] Tainted: [W]=WARN
[   99.195197][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.195359][ T1676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.195532][ T1676] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.196003][ T1676] RSP: 0018:ffa0000003c97a78 EFLAGS: 00010286
[   99.196168][ T1676] RAX: 00000000ffffffa6 RBX: ff1100000e440e40 RCX: 1ff4000000792f15
[   99.196361][ T1676] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e440efc
[   99.196559][ T1676] RBP: ff1100001284c000 R08: 1fe2200001c881e1 R09: ff1100001088ae80
[   99.196751][ T1676] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   99.196946][ T1676] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001284c000
[   99.197147][ T1676] FS:  00007f5a20375840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   99.197375][ T1676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.197541][ T1676] CR2: 00007fc830545000 CR3: 0000000012562004 CR4: 0000000000771ef0
[   99.197736][ T1676] PKRU: 55555554
[   99.197833][ T1676] Call Trace:
[   99.197936][ T1676]  <TASK>
[   99.198008][ T1676]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.198139][ T1676]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.198268][ T1676]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.198368][ T1676]  register_netdevice (net/core/dev.c:11488)
[   99.198499][ T1676]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.198662][ T1676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.198796][ T1676]  register_netdev (net/core/dev.c:11552)
[   99.198932][ T1676]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   99.199067][ T1676]  ops_init (net/core/net_namespace.c:137)
[   99.199167][ T1676]  setup_net (net/core/net_namespace.c:446)
[   99.199265][ T1676]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.199393][ T1676]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.199526][ T1676]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.199658][ T1676]  copy_net_ns (net/core/net_namespace.c:579)
[   99.199788][ T1676]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.199926][ T1676]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.200060][ T1676]  ksys_unshare (kernel/fork.c:3243)
[   99.200188][ T1676]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.200317][ T1676]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.200445][ T1676]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.200579][ T1676]  ? __ia32_sys_open (fs/open.c:1374)
[   99.200709][ T1676]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.200837][ T1676]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.200978][ T1676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.201107][ T1676]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.201236][ T1676]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.201365][ T1676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.201528][ T1676] RIP: 0033:0x7f5a20637bcb
[   99.201663][ T1676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   99.202136][ T1676] RSP: 002b:00007fffdee39ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.202331][ T1676] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a20637bcb
[   99.202525][ T1676] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.202718][ T1676] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.202914][ T1676] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffdee3c100
[   99.203113][ T1676] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdee3c847
| [   99.234852][ T1677] ------------[ cut here ]------------
| [   99.235048][ T1677] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1677
| [   99.235353][ T1677] Modules linked in:
| [   99.235811][ T1677] Tainted: [W]=WARN
[   99.235977][ T1677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.236184][ T1677] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.236400][ T1677] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.237030][ T1677] RSP: 0018:ffa00000041c7020 EFLAGS: 00010286
[   99.237325][ T1677] RAX: 00000000ffffffa6 RBX: ff1100000d6d7700 RCX: 1ff4000000838dca
[   99.237648][ T1677] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d77bc
[   99.237989][ T1677] RBP: ff110000094d4000 R08: 1fe2200001adaef9 R09: ff11000010888b58
[   99.238300][ T1677] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   99.238624][ T1677] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   99.238943][ T1677] FS:  00007f5825650840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   99.239303][ T1677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.239509][ T1677] CR2: 00007f58259201a0 CR3: 0000000012460002 CR4: 0000000000771ef0
[   99.239755][ T1677] PKRU: 55555554
[   99.239909][ T1677] Call Trace:
[   99.240060][ T1677]  <TASK>
[   99.240173][ T1677]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.240354][ T1677]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.240500][ T1677]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.240682][ T1677]  __dev_notify_flags (net/core/dev.c:9787)
[   99.240860][ T1677]  ? netif_change_name (net/core/dev.c:1495)
[   99.241058][ T1677]  ? __dev_change_flags (net/core/dev.c:9752)
[   99.241234][ T1677]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   99.241406][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.241592][ T1677]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   99.241771][ T1677]  netif_change_flags (net/core/dev.c:9820)
[   99.241969][ T1677]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.242146][ T1677]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   99.242325][ T1677]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.242501][ T1677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.242718][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.242909][ T1677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.243092][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.243269][ T1677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.243446][ T1677]  ? __kernel_text_address (kernel/extable.c:79)
[   99.243628][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.243806][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.244005][ T1677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.244181][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.244357][ T1677]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.244532][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.244707][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.244895][ T1677]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.245079][ T1677]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   99.245253][ T1677]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.245432][ T1677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.245617][ T1677]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.245796][ T1677]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.245993][ T1677]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.246171][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.246344][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.246523][ T1677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.246699][ T1677]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.246890][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.247076][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.247251][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.247425][ T1677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.247611][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.247786][ T1677]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.247984][ T1677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.248159][ T1677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.248334][ T1677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.248510][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.248693][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.248880][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.249060][ T1677]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.249234][ T1677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.249409][ T1677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.249595][ T1677]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.249771][ T1677]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.249970][ T1677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.250149][ T1677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.250324][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.250501][ T1677]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.250687][ T1677]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.250880][ T1677]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.251075][ T1677]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.251255][ T1677]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.251429][ T1677]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.251644][ T1677]  ? move_addr_to_kernel (net/socket.c:258)
[   99.251822][ T1677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.252019][ T1677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.252197][ T1677]  ___sys_sendmsg (net/socket.c:2752)
[   99.252377][ T1677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.252592][ T1677]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.252780][ T1677]  __sys_sendmsg (net/socket.c:2784)
[   99.252979][ T1677]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.253156][ T1677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.253366][ T1677]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.253550][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.253732][ T1677]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.253918][ T1677]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.254101][ T1677]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.254278][ T1677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.254483][ T1677] RIP: 0033:0x7f582588a08e
[   99.254669][ T1677] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.255198][ T1677] RSP: 002b:00007ffd3b3e2030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.255438][ T1677] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f582588a08e
[   99.255682][ T1677] RDX: 0000000000000000 RSI: 00007ffd3b3e20e0 RDI: 0000000000000005
[   99.255935][ T1677] RBP: 00007ffd3b3e2040 R08: 0000000000000000 R09: 0000000000000000
[   99.256185][ T1677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd4f
[   99.256421][ T1677] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3b3e27b0
| [   99.717130][ T1696] ------------[ cut here ]------------
| [   99.717340][ T1696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1696
| [   99.717662][ T1696] Modules linked in:
| [   99.718157][ T1696] Tainted: [W]=WARN
[   99.718303][ T1696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.718518][ T1696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.718741][ T1696] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.719278][ T1696] RSP: 0018:ffa0000004dc6e30 EFLAGS: 00010286
[   99.719494][ T1696] RAX: 00000000ffffffa6 RBX: ff1100000a8cf380 RCX: 1ff40000009b8d8c
[   99.719746][ T1696] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf43c
[   99.720020][ T1696] RBP: ff110000095d9000 R08: 1fe2200001519e89 R09: ff1100000a905180
[   99.720267][ T1696] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.720511][ T1696] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ba3dc80
[   99.720762][ T1696] FS:  00007f2965123840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   99.721072][ T1696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.721287][ T1696] CR2: 000000000042ebe0 CR3: 000000000eeb8005 CR4: 0000000000771ef0
[   99.721551][ T1696] PKRU: 55555554
[   99.721697][ T1696] Call Trace:
[   99.721844][ T1696]  <TASK>
[   99.721983][ T1696]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.722170][ T1696]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.722318][ T1696]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   99.722533][ T1696]  __dev_notify_flags (net/core/dev.c:9787)
[   99.722716][ T1696]  ? netif_change_name (net/core/dev.c:1495)
[   99.722908][ T1696]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.723098][ T1696]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.723277][ T1696]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.723460][ T1696]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   99.723651][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.723833][ T1696]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.724033][ T1696]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   99.724213][ T1696]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.724396][ T1696]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   99.724588][ T1696]  veth_newlink (drivers/net/veth.c:1871)
[   99.724772][ T1696]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   99.724969][ T1696]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.725152][ T1696]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.725331][ T1696]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.725535][ T1696]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   99.725715][ T1696]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   99.725984][ T1696]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   99.726223][ T1696]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.726461][ T1696]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   99.726706][ T1696]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   99.726915][ T1696]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   99.727100][ T1696]  ? __dev_get_by_name (net/core/dev.c:883)
[   99.727281][ T1696]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   99.727468][ T1696]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   99.727661][ T1696]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.727843][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.728039][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.728229][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.728409][ T1696]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.728595][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.728780][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.728983][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.729165][ T1696]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.729346][ T1696]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.729529][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.729711][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.729907][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.730093][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.730276][ T1696]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.730456][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.730645][ T1696]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.730831][ T1696]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.731028][ T1696]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.731210][ T1696]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.731392][ T1696]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.731584][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.731767][ T1696]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.731969][ T1696]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.732151][ T1696]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.732334][ T1696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.732520][ T1696]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.732702][ T1696]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.732926][ T1696]  ? move_addr_to_kernel (net/socket.c:258)
[   99.733118][ T1696]  ___sys_sendmsg (net/socket.c:2752)
[   99.733297][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.733479][ T1696]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.733673][ T1696]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   99.733855][ T1696]  __sys_sendmsg (net/socket.c:2784)
[   99.734059][ T1696]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.734249][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.734430][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.734619][ T1696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.734800][ T1696]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.735000][ T1696]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.735182][ T1696]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.735394][ T1696] RIP: 0033:0x7f296535d08e
[   99.735590][ T1696] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.736128][ T1696] RSP: 002b:00007ffcd979bcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.736375][ T1696] RAX: ffffffffffffffda RBX: 00007ffcd979c498 RCX: 00007f296535d08e
[   99.736626][ T1696] RDX: 0000000000000000 RSI: 00007ffcd979bda0 RDI: 0000000000000005
[   99.736881][ T1696] RBP: 00007ffcd979bd00 R08: 0000000000000000 R09: 0000000000000000
[   99.737137][ T1696] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd4f
[   99.737381][ T1696] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd979c470
| [   99.747016][ T1696] ------------[ cut here ]------------
| [   99.747193][ T1696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1696
| [   99.747494][ T1696] Modules linked in:
| [   99.747979][ T1696] Tainted: [W]=WARN
[   99.748126][ T1696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.748335][ T1696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.748559][ T1696] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.749136][ T1696] RSP: 0018:ffa0000004dc71b0 EFLAGS: 00010286
[   99.749345][ T1696] RAX: 00000000ffffffa6 RBX: ff1100000ceecac0 RCX: 1ff40000009b8dfc
[   99.749592][ T1696] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceecb7c
[   99.749833][ T1696] RBP: ff110000126d1000 R08: 1fe22000019dd971 R09: ff1100000a905180
[   99.750094][ T1696] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.750336][ T1696] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   99.750587][ T1696] FS:  00007f2965123840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   99.750862][ T1696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.751093][ T1696] CR2: 000000000042ebe0 CR3: 000000000eeb8005 CR4: 0000000000771ef0
[   99.751336][ T1696] PKRU: 55555554
[   99.751480][ T1696] Call Trace:
[   99.751628][ T1696]  <TASK>
[   99.751743][ T1696]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.751936][ T1696]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.752091][ T1696]  __dev_notify_flags (net/core/dev.c:9787)
[   99.752269][ T1696]  ? netif_change_name (net/core/dev.c:1495)
[   99.752447][ T1696]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   99.752631][ T1696]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.752811][ T1696]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   99.753009][ T1696]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   99.753189][ T1696]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   99.753368][ T1696]  ? __dev_get_by_name (net/core/dev.c:883)
[   99.753551][ T1696]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   99.753734][ T1696]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   99.753928][ T1696]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.754115][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.754292][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.754469][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.754654][ T1696]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.754835][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.755038][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.755217][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.755394][ T1696]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.755580][ T1696]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.755760][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.755958][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.756142][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.756321][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.756500][ T1696]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.756686][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.756879][ T1696]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.757068][ T1696]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.757244][ T1696]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.757425][ T1696]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.757613][ T1696]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.757790][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.757991][ T1696]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.758174][ T1696]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.758353][ T1696]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.758533][ T1696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.758712][ T1696]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.758901][ T1696]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.759117][ T1696]  ? move_addr_to_kernel (net/socket.c:258)
[   99.759302][ T1696]  ___sys_sendmsg (net/socket.c:2752)
[   99.759479][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.759662][ T1696]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.759849][ T1696]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   99.760063][ T1696]  __sys_sendmsg (net/socket.c:2784)
[   99.760245][ T1696]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.760431][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.760619][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.760798][ T1696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.760994][ T1696]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.761173][ T1696]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.761352][ T1696]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.761568][ T1696] RIP: 0033:0x7f296535d08e
[   99.761754][ T1696] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.762292][ T1696] RSP: 002b:00007ffcd979bcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.762541][ T1696] RAX: ffffffffffffffda RBX: 00007ffcd979c498 RCX: 00007f296535d08e
[   99.762783][ T1696] RDX: 0000000000000000 RSI: 00007ffcd979bda0 RDI: 0000000000000005
[   99.763048][ T1696] RBP: 00007ffcd979bd00 R08: 0000000000000000 R09: 0000000000000000
[   99.763291][ T1696] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd4f
[   99.763533][ T1696] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd979c470
| [   99.809036][ T1697] ------------[ cut here ]------------
| [   99.809178][ T1697] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1697
| [   99.809427][ T1697] Modules linked in:
| [   99.809784][ T1697] Tainted: [W]=WARN
[   99.809885][ T1697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.810052][ T1697] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.810213][ T1697] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.810659][ T1697] RSP: 0018:ffa0000004dd6ff8 EFLAGS: 00010286
[   99.810815][ T1697] RAX: 00000000ffffffa6 RBX: ff1100000d636e40 RCX: 1ff40000009badc5
[   99.811008][ T1697] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d636efc
[   99.811192][ T1697] RBP: ff110000095d9000 R08: 1fe2200001ac6de1 R09: ff1100000a900b58
[   99.811379][ T1697] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   99.811567][ T1697] R13: 0000000000000000 R14: ffa0000004dd7140 R15: ff1100000d5a2a50
[   99.811753][ T1697] FS:  00007f387e7d3840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.811979][ T1697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.812136][ T1697] CR2: 0000000012e72988 CR3: 000000000e73b001 CR4: 0000000000771ef0
[   99.812322][ T1697] PKRU: 55555554
[   99.812414][ T1697] Call Trace:
[   99.812509][ T1697]  <TASK>
[   99.812575][ T1697]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   99.812702][ T1697]  __dev_change_net_namespace (net/core/dev.c:12635)
[   99.812857][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.812995][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.813121][ T1697]  ? default_device_exit_batch (net/core/dev.c:13091)
[   99.813275][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.813400][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.813528][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.813654][ T1697]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   99.813780][ T1697]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   99.813912][ T1697]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   99.814045][ T1697]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.814172][ T1697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.814327][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.814450][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.814579][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.814704][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.814832][ T1697]  ? __kernel_text_address (kernel/extable.c:79)
[   99.814967][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.815094][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.815217][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.815347][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.815472][ T1697]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.815599][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.815724][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.815848][ T1697]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.815985][ T1697]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   99.816111][ T1697]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.816238][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.816364][ T1697]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.816486][ T1697]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.816614][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.816742][ T1697]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.816873][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.817004][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.817129][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.817254][ T1697]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.817377][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.817505][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.817633][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.817758][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.817962][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.818093][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.818219][ T1697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.818343][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.818467][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.818595][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.818721][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.818845][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.818980][ T1697]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.819103][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.819227][ T1697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.819353][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.819477][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.819608][ T1697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.819734][ T1697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.819859][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.819997][ T1697]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.820123][ T1697]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.820250][ T1697]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.820375][ T1697]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.820500][ T1697]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.820629][ T1697]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.820782][ T1697]  ? move_addr_to_kernel (net/socket.c:258)
[   99.820912][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.821041][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.821166][ T1697]  ___sys_sendmsg (net/socket.c:2752)
[   99.821290][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.821445][ T1697]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.821584][ T1697]  __sys_sendmsg (net/socket.c:2784)
[   99.821709][ T1697]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.821833][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.822009][ T1697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.822134][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.822259][ T1697]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.822383][ T1697]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.822510][ T1697]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.822634][ T1697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.822787][ T1697] RIP: 0033:0x7f387ea0d08e
[   99.822923][ T1697] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.823370][ T1697] RSP: 002b:00007ffc5e469ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.823560][ T1697] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f387ea0d08e
[   99.823745][ T1697] RDX: 0000000000000000 RSI: 00007ffc5e469b70 RDI: 0000000000000005
[   99.823936][ T1697] RBP: 00007ffc5e469ad0 R08: 0000000000000000 R09: 0000000000000000
[   99.824133][ T1697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[   99.824317][ T1697] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5e46a240
| [   99.826832][ T1697] ------------[ cut here ]------------
| [   99.826969][ T1697] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1697
| [   99.827223][ T1697] Modules linked in:
| [   99.827577][ T1697] Tainted: [W]=WARN
[   99.827672][ T1697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.827830][ T1697] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.828009][ T1697] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.828460][ T1697] RSP: 0018:ffa0000004dd6fc0 EFLAGS: 00010286
[   99.828625][ T1697] RAX: 00000000ffffffa6 RBX: ff1100000d636900 RCX: 1ff40000009badbe
[   99.828813][ T1697] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6369bc
[   99.829018][ T1697] RBP: ff110000095d9000 R08: 1fe2200001ac6d39 R09: ff1100000a900b58
[   99.829206][ T1697] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   99.829393][ T1697] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d5a2a50
[   99.829583][ T1697] FS:  00007f387e7d3840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.829805][ T1697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.829974][ T1697] CR2: 0000000012e72988 CR3: 000000000e73b001 CR4: 0000000000771ef0
[   99.830164][ T1697] PKRU: 55555554
[   99.830259][ T1697] Call Trace:
[   99.830353][ T1697]  <TASK>
[   99.830418][ T1697]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.830548][ T1697]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.830677][ T1697]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.830773][ T1697]  __dev_change_net_namespace (net/core/dev.c:12695)
[   99.830937][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.831070][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.831199][ T1697]  ? default_device_exit_batch (net/core/dev.c:13091)
[   99.831361][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.831489][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.831619][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.831747][ T1697]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   99.831879][ T1697]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   99.832014][ T1697]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   99.832143][ T1697]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.832272][ T1697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.832430][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.832560][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.832686][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.832813][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.832948][ T1697]  ? __kernel_text_address (kernel/extable.c:79)
[   99.833080][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.833207][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.833333][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.833461][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.833593][ T1697]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.833719][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.833845][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.833983][ T1697]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.834111][ T1697]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   99.834237][ T1697]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.834365][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.834495][ T1697]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.834626][ T1697]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.834756][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.834892][ T1697]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.835027][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.835152][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.835279][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.835405][ T1697]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.835537][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.835667][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.835792][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.835923][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.836055][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.836182][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.836310][ T1697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.836436][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.836567][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.836695][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.836823][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.836961][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.837089][ T1697]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.837215][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.837341][ T1697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.837471][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.837602][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.837730][ T1697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.837858][ T1697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.837998][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.838126][ T1697]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.838255][ T1697]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.838382][ T1697]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.838512][ T1697]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.838638][ T1697]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.838765][ T1697]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.838927][ T1697]  ? move_addr_to_kernel (net/socket.c:258)
[   99.839058][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.839184][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.839312][ T1697]  ___sys_sendmsg (net/socket.c:2752)
[   99.839437][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.839599][ T1697]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.839737][ T1697]  __sys_sendmsg (net/socket.c:2784)
[   99.839864][ T1697]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.840001][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.840162][ T1697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.840289][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.840416][ T1697]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.840546][ T1697]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.840672][ T1697]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.840798][ T1697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.840966][ T1697] RIP: 0033:0x7f387ea0d08e
[   99.841099][ T1697] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.841554][ T1697] RSP: 002b:00007ffc5e469ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.841745][ T1697] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f387ea0d08e
[   99.841944][ T1697] RDX: 0000000000000000 RSI: 00007ffc5e469b70 RDI: 0000000000000005
[   99.842140][ T1697] RBP: 00007ffc5e469ad0 R08: 0000000000000000 R09: 0000000000000000
[   99.842328][ T1697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[   99.842518][ T1697] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5e46a240
| [   99.844495][ T1697] ------------[ cut here ]------------
| [   99.844625][ T1697] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1697
| [   99.844885][ T1697] Modules linked in:
| [   99.845242][ T1697] Tainted: [W]=WARN
[   99.845340][ T1697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.845497][ T1697] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.845665][ T1697] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.846419][ T1697] RSP: 0018:ffa0000004dd7038 EFLAGS: 00010286
[   99.846581][ T1697] RAX: 00000000ffffffa6 RBX: ff1100000d637c40 RCX: 1ff40000009badcd
[   99.846769][ T1697] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637cfc
[   99.846968][ T1697] RBP: ff110000095d9000 R08: 1fe2200001ac6fa1 R09: ff1100000a900b58
[   99.847156][ T1697] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   99.847342][ T1697] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   99.847536][ T1697] FS:  00007f387e7d3840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.847757][ T1697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.847921][ T1697] CR2: 0000000012e72988 CR3: 000000000e73b001 CR4: 0000000000771ef0
[   99.848116][ T1697] PKRU: 55555554
[   99.848210][ T1697] Call Trace:
[   99.848305][ T1697]  <TASK>
[   99.848371][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.848498][ T1697]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   99.848630][ T1697]  notifier_call_chain (kernel/notifier.c:85)
[   99.848762][ T1697]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   99.848894][ T1697]  ? default_device_exit_batch (net/core/dev.c:13091)
[   99.849059][ T1697]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   99.849215][ T1697]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   99.849344][ T1697]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   99.849471][ T1697]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   99.849605][ T1697]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.849733][ T1697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.849895][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.850029][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.850155][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.850283][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.850409][ T1697]  ? __kernel_text_address (kernel/extable.c:79)
[   99.850540][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.850669][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.850795][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.850929][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.851058][ T1697]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.851184][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.851310][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.851437][ T1697]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.851653][ T1697]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   99.851779][ T1697]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.851910][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.852044][ T1697]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.852255][ T1697]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.852385][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.852518][ T1697]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.852646][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.852857][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.852996][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.853123][ T1697]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.853249][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.853463][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.853594][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.853720][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.853846][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.854069][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.854197][ T1697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.854325][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.854451][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.854664][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.854792][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.854922][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.855055][ T1697]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.855267][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.855393][ T1697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.855525][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.855652][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.855862][ T1697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.856000][ T1697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.856128][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.856259][ T1697]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.856470][ T1697]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.856602][ T1697]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.856730][ T1697]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.856857][ T1697]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.857076][ T1697]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.857234][ T1697]  ? move_addr_to_kernel (net/socket.c:258)
[   99.857362][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.857491][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.857708][ T1697]  ___sys_sendmsg (net/socket.c:2752)
[   99.857834][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.858007][ T1697]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.858146][ T1697]  __sys_sendmsg (net/socket.c:2784)
[   99.858357][ T1697]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.858483][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.858647][ T1697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.858857][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.858996][ T1697]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.859123][ T1697]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.859250][ T1697]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.859459][ T1697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.859619][ T1697] RIP: 0033:0x7f387ea0d08e
[   99.859751][ T1697] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.860305][ T1697] RSP: 002b:00007ffc5e469ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.860496][ T1697] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f387ea0d08e
[   99.860775][ T1697] RDX: 0000000000000000 RSI: 00007ffc5e469b70 RDI: 0000000000000005
[   99.860977][ T1697] RBP: 00007ffc5e469ad0 R08: 0000000000000000 R09: 0000000000000000
[   99.861166][ T1697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[   99.861440][ T1697] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5e46a240
| [   99.863909][ T1697] ------------[ cut here ]------------
| [   99.864046][ T1697] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1697
| [   99.864381][ T1697] Modules linked in:
| [   99.864741][ T1697] Tainted: [W]=WARN
[   99.865443][ T1697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.865612][ T1697] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.865780][ T1697] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.866299][ T1697] RSP: 0018:ffa0000004dd7020 EFLAGS: 00010286
[   99.866458][ T1697] RAX: 00000000ffffffa6 RBX: ff1100000caa1c40 RCX: 1ff40000009badca
[   99.866653][ T1697] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa1cfc
[   99.866846][ T1697] RBP: ff110000095d9000 R08: 1fe22000019543a1 R09: ff1100000a900b58
[   99.867098][ T1697] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   99.867288][ T1697] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   99.867480][ T1697] FS:  00007f387e7d3840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[   99.867707][ T1697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.867923][ T1697] CR2: 0000000012e72988 CR3: 000000000e73b001 CR4: 0000000000771ef0
[   99.868119][ T1697] PKRU: 55555554
[   99.868214][ T1697] Call Trace:
[   99.868310][ T1697]  <TASK>
[   99.868376][ T1697]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.868507][ T1697]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.868607][ T1697]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.868736][ T1697]  __dev_notify_flags (net/core/dev.c:9787)
[   99.868865][ T1697]  ? netif_change_name (net/core/dev.c:1495)
[   99.869055][ T1697]  ? __dev_change_flags (net/core/dev.c:9752)
[   99.869183][ T1697]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   99.869310][ T1697]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   99.869469][ T1697]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   99.869602][ T1697]  netif_change_flags (net/core/dev.c:9820)
[   99.869732][ T1697]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   99.869863][ T1697]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.870054][ T1697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.870215][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.870342][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.870471][ T1697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.870603][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.870731][ T1697]  ? __kernel_text_address (kernel/extable.c:79)
[   99.870860][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.871049][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.871176][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.871303][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.871518][ T1697]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.871645][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.871773][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.871961][ T1697]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.872090][ T1697]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   99.872218][ T1697]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.872345][ T1697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.872562][ T1697]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.872689][ T1697]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.872820][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.873009][ T1697]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.873139][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.873266][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.873477][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.873609][ T1697]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.873737][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.873921][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.874055][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.874181][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.874309][ T1697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.874522][ T1697]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.874650][ T1697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.874776][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.874961][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.875088][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.875219][ T1697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.875429][ T1697]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.875562][ T1697]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.875690][ T1697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.875818][ T1697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.876091][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.876219][ T1697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.876350][ T1697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.876478][ T1697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.876609][ T1697]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.876737][ T1697]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.876865][ T1697]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.877054][ T1697]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.877183][ T1697]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.877394][ T1697]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.877526][ T1697]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.877684][ T1697]  ? move_addr_to_kernel (net/socket.c:258)
[   99.877812][ T1697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.877998][ T1697]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.878126][ T1697]  ___sys_sendmsg (net/socket.c:2752)
[   99.878252][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.878410][ T1697]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.878553][ T1697]  __sys_sendmsg (net/socket.c:2784)
[   99.878680][ T1697]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.878945][ T1697]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.879112][ T1697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.879239][ T1697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.879367][ T1697]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.879494][ T1697]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.879628][ T1697]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.879755][ T1697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.880056][ T1697] RIP: 0033:0x7f387ea0d08e
[   99.880191][ T1697] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.880647][ T1697] RSP: 002b:00007ffc5e469ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.880984][ T1697] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f387ea0d08e
[   99.881174][ T1697] RDX: 0000000000000000 RSI: 00007ffc5e469b70 RDI: 0000000000000005
[   99.881363][ T1697] RBP: 00007ffc5e469ad0 R08: 0000000000000000 R09: 0000000000000000
[   99.881552][ T1697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[   99.881827][ T1697] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5e46a240
| [   99.922137][ T1698] ------------[ cut here ]------------
| [   99.922287][ T1698] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1698
| [   99.922552][ T1698] Modules linked in:
| [   99.922934][ T1698] Tainted: [W]=WARN
[   99.923040][ T1698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.923207][ T1698] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.923378][ T1698] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.923852][ T1698] RSP: 0018:ffa0000004de6e30 EFLAGS: 00010286
[   99.924031][ T1698] RAX: 00000000ffffffa6 RBX: ff1100000a9a78c0 RCX: 1ff40000009bcd8c
[   99.924230][ T1698] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a797c
[   99.924427][ T1698] RBP: ff1100000ffe1000 R08: 1fe2200001534f31 R09: ff1100000a902e80
[   99.924629][ T1698] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   99.924825][ T1698] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f140e80
[   99.925036][ T1698] FS:  00007f136030e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   99.925269][ T1698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.925434][ T1698] CR2: 000000000042ebe0 CR3: 000000000eeb8002 CR4: 0000000000771ef0
[   99.925635][ T1698] PKRU: 55555554
[   99.925733][ T1698] Call Trace:
[   99.925832][ T1698]  <TASK>
[   99.925906][ T1698]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.926048][ T1698]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.926149][ T1698]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   99.926314][ T1698]  __dev_notify_flags (net/core/dev.c:9787)
[   99.926449][ T1698]  ? netif_change_name (net/core/dev.c:1495)
[   99.926583][ T1698]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.926716][ T1698]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.926849][ T1698]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.926995][ T1698]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   99.927129][ T1698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.927263][ T1698]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.927396][ T1698]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   99.927531][ T1698]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.927664][ T1698]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   99.927798][ T1698]  veth_newlink (drivers/net/veth.c:1871)
[   99.927938][ T1698]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   99.928077][ T1698]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.928209][ T1698]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.928341][ T1698]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.928489][ T1698]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   99.928626][ T1698]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   99.928760][ T1698]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   99.928899][ T1698]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.929042][ T1698]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   99.929179][ T1698]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   99.929316][ T1698]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   99.929450][ T1698]  ? __dev_get_by_name (net/core/dev.c:883)
[   99.929584][ T1698]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   99.929724][ T1698]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   99.929860][ T1698]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.930004][ T1698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.930137][ T1698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.930269][ T1698]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.930401][ T1698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.930537][ T1698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.930676][ T1698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.930810][ T1698]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.930948][ T1698]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.931084][ T1698]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.931218][ T1698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.931350][ T1698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.931485][ T1698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.931622][ T1698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.931757][ T1698]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.931894][ T1698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.932029][ T1698]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.932165][ T1698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.932297][ T1698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.932430][ T1698]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.932567][ T1698]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.932700][ T1698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.932834][ T1698]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.933036][ T1698]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.933170][ T1698]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.933308][ T1698]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.933441][ T1698]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.933578][ T1698]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.933743][ T1698]  ? move_addr_to_kernel (net/socket.c:258)
[   99.933932][ T1698]  ___sys_sendmsg (net/socket.c:2752)
[   99.934071][ T1698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.934203][ T1698]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.934346][ T1698]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   99.934481][ T1698]  __sys_sendmsg (net/socket.c:2784)
[   99.934618][ T1698]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.934756][ T1698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.934893][ T1698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.935032][ T1698]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.935169][ T1698]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.935304][ T1698]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.935437][ T1698]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.935606][ T1698] RIP: 0033:0x7f136054808e
[   99.935745][ T1698] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.936228][ T1698] RSP: 002b:00007ffe2e7c4250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.936429][ T1698] RAX: ffffffffffffffda RBX: 00007ffe2e7c49f8 RCX: 00007f136054808e
[   99.936630][ T1698] RDX: 0000000000000000 RSI: 00007ffe2e7c4300 RDI: 0000000000000005
[   99.936829][ T1698] RBP: 00007ffe2e7c4260 R08: 0000000000000000 R09: 0000000000000000
[   99.937041][ T1698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[   99.937239][ T1698] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2e7c49d0
| [   99.944628][ T1698] ------------[ cut here ]------------
| [   99.944767][ T1698] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1698
| [   99.945047][ T1698] Modules linked in:
| [   99.945412][ T1698] Tainted: [W]=WARN
[   99.945516][ T1698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.945681][ T1698] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.945852][ T1698] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.946335][ T1698] RSP: 0018:ffa0000004de71b0 EFLAGS: 00010286
[   99.946501][ T1698] RAX: 00000000ffffffa6 RBX: ff1100000ca8d380 RCX: 1ff40000009bcdfc
[   99.946702][ T1698] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d43c
[   99.946905][ T1698] RBP: ff1100000a3bc000 R08: 1fe2200001951a89 R09: ff1100000a902e80
[   99.947106][ T1698] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   99.947301][ T1698] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[   99.947498][ T1698] FS:  00007f136030e840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[   99.947733][ T1698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.948415][ T1698] CR2: 000000000042ebe0 CR3: 000000000eeb8002 CR4: 0000000000771ef0
[   99.948672][ T1698] PKRU: 55555554
[   99.948772][ T1698] Call Trace:
[   99.948924][ T1698]  <TASK>
[   99.948998][ T1698]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.949132][ T1698]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.949233][ T1698]  __dev_notify_flags (net/core/dev.c:9787)
[   99.949368][ T1698]  ? netif_change_name (net/core/dev.c:1495)
[   99.949501][ T1698]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   99.949635][ T1698]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.949768][ T1698]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   99.949962][ T1698]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   99.950098][ T1698]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   99.950230][ T1698]  ? __dev_get_by_name (net/core/dev.c:883)
[   99.950361][ T1698]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   99.950498][ T1698]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   99.950638][ T1698]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.950771][ T1698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.950963][ T1698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.951095][ T1698]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.951227][ T1698]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.951360][ T1698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.951499][ T1698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.951637][ T1698]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.951771][ T1698]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.951964][ T1698]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.952096][ T1698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.952227][ T1698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.952361][ T1698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.952492][ T1698]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.952627][ T1698]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.952758][ T1698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.952946][ T1698]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.953088][ T1698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.953219][ T1698]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.953353][ T1698]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.953485][ T1698]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.953619][ T1698]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.953752][ T1698]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.953941][ T1698]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.954080][ T1698]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.954215][ T1698]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.954347][ T1698]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.954478][ T1698]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.954645][ T1698]  ? move_addr_to_kernel (net/socket.c:258)
[   99.954781][ T1698]  ___sys_sendmsg (net/socket.c:2752)
[   99.954974][ T1698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.955107][ T1698]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.955248][ T1698]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   99.955382][ T1698]  __sys_sendmsg (net/socket.c:2784)
[   99.955518][ T1698]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.955654][ T1698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.955786][ T1698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.955980][ T1698]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.956113][ T1698]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.956244][ T1698]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.956377][ T1698]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.956543][ T1698] RIP: 0033:0x7f136054808e
[   99.956680][ T1698] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.957216][ T1698] RSP: 002b:00007ffe2e7c4250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.957415][ T1698] RAX: ffffffffffffffda RBX: 00007ffe2e7c49f8 RCX: 00007f136054808e
[   99.957614][ T1698] RDX: 0000000000000000 RSI: 00007ffe2e7c4300 RDI: 0000000000000005
[   99.957810][ T1698] RBP: 00007ffe2e7c4260 R08: 0000000000000000 R09: 0000000000000000
[   99.958068][ T1698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[   99.958265][ T1698] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2e7c49d0
| [   99.993242][ T1699] ------------[ cut here ]------------
| [   99.993416][ T1699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1699
| [   99.993720][ T1699] Modules linked in:
| [   99.994180][ T1699] Tainted: [W]=WARN
[   99.994319][ T1699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.994524][ T1699] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.994739][ T1699] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   99.995242][ T1699] RSP: 0018:ffa0000004df6ff8 EFLAGS: 00010286
[   99.995445][ T1699] RAX: 00000000ffffffa6 RBX: ff1100000d31a040 RCX: 1ff40000009bedc5
[   99.995684][ T1699] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a0fc
[   99.996007][ T1699] RBP: ff1100000ffe1000 R08: 1fe2200001a63421 R09: ff1100001078ae58
[   99.996235][ T1699] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.996464][ T1699] R13: 0000000000000000 R14: ffa0000004df7140 R15: ff11000010455c50
[   99.996710][ T1699] FS:  00007f8615e8c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[   99.996989][ T1699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.997190][ T1699] CR2: 0000000027e10988 CR3: 000000000cfff003 CR4: 0000000000771ef0
[   99.997423][ T1699] PKRU: 55555554
[   99.997569][ T1699] Call Trace:
[   99.997710][ T1699]  <TASK>
[   99.997820][ T1699]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   99.998017][ T1699]  __dev_change_net_namespace (net/core/dev.c:12635)
[   99.998219][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.998388][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.998568][ T1699]  ? default_device_exit_batch (net/core/dev.c:13091)
[   99.998772][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.998963][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.999135][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.999309][ T1699]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   99.999480][ T1699]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   99.999659][ T1699]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   99.999832][ T1699]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.000022][ T1699]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.000226][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.000397][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.000579][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.000749][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.000934][ T1699]  ? __kernel_text_address (kernel/extable.c:79)
[  100.001115][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.001289][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.001458][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.001638][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.001812][ T1699]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.002002][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.002174][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.002345][ T1699]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.002520][ T1699]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.002693][ T1699]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.002879][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.003060][ T1699]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.003233][ T1699]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.003407][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.003589][ T1699]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.003762][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.003943][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.004123][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.004292][ T1699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.004463][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.004645][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.004814][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.005007][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.005178][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.005350][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.005523][ T1699]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.005695][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.005880][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.006058][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.006230][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.006399][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.006582][ T1699]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.006752][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.006936][ T1699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.007117][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.007290][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.007463][ T1699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.007643][ T1699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.007815][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.008008][ T1699]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.008182][ T1699]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.008352][ T1699]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.008530][ T1699]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.008702][ T1699]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.008885][ T1699]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.009095][ T1699]  ? move_addr_to_kernel (net/socket.c:258)
[  100.009271][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.009442][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.009622][ T1699]  ___sys_sendmsg (net/socket.c:2752)
[  100.009795][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.010017][ T1699]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.010203][ T1699]  __sys_sendmsg (net/socket.c:2784)
[  100.010376][ T1699]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.010552][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.010757][ T1699]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.010942][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.011127][ T1699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.011299][ T1699]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.011470][ T1699]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.011650][ T1699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.011852][ T1699] RIP: 0033:0x7f86160c608e
[  100.012051][ T1699] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.012545][ T1699] RSP: 002b:00007ffcba355d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.012780][ T1699] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f86160c608e
[  100.013034][ T1699] RDX: 0000000000000000 RSI: 00007ffcba355e20 RDI: 0000000000000005
[  100.013266][ T1699] RBP: 00007ffcba355d80 R08: 0000000000000000 R09: 0000000000000000
[  100.013499][ T1699] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.013740][ T1699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcba3564f0
| [  100.016732][ T1699] ------------[ cut here ]------------
| [  100.016905][ T1699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1699
| [  100.017208][ T1699] Modules linked in:
| [  100.017661][ T1699] Tainted: [W]=WARN
[  100.017802][ T1699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.018028][ T1699] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.018241][ T1699] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.018746][ T1699] RSP: 0018:ffa0000004df6fc0 EFLAGS: 00010286
[  100.018975][ T1699] RAX: 00000000ffffffa6 RBX: ff1100000fe90900 RCX: 1ff40000009bedbe
[  100.019209][ T1699] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe909bc
[  100.019442][ T1699] RBP: ff1100000ffe1000 R08: 1fe2200001fd2139 R09: ff1100001078ae58
[  100.019681][ T1699] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  100.019930][ T1699] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010455c50
[  100.020176][ T1699] FS:  00007f8615e8c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.020442][ T1699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.020653][ T1699] CR2: 0000000027e10988 CR3: 000000000cfff003 CR4: 0000000000771ef0
[  100.020903][ T1699] PKRU: 55555554
[  100.021053][ T1699] Call Trace:
[  100.021196][ T1699]  <TASK>
[  100.021309][ T1699]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.021482][ T1699]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.021661][ T1699]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.021806][ T1699]  __dev_change_net_namespace (net/core/dev.c:12695)
[  100.022033][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.022211][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.022388][ T1699]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.022600][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.022771][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.022963][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.023139][ T1699]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.023315][ T1699]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.023489][ T1699]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  100.023671][ T1699]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.023844][ T1699]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.024068][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.024240][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.024414][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.024596][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.024769][ T1699]  ? __kernel_text_address (kernel/extable.c:79)
[  100.024962][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.025137][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.025309][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.025483][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.025660][ T1699]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.025831][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.026030][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.026203][ T1699]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.026376][ T1699]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.026554][ T1699]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.026728][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.026916][ T1699]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.027092][ T1699]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.027271][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.027446][ T1699]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.027627][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.027799][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.027989][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.028160][ T1699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.028333][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.028511][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.028691][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.028879][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.029063][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.029238][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.029411][ T1699]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.029591][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.029763][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.029949][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.030136][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.030307][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.030482][ T1699]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.030660][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.030834][ T1699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.031031][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.031203][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.031383][ T1699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.031565][ T1699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.031740][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.031929][ T1699]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.032114][ T1699]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.032288][ T1699]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.032461][ T1699]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.032642][ T1699]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.032819][ T1699]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.033042][ T1699]  ? move_addr_to_kernel (net/socket.c:258)
[  100.033220][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.033395][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.033579][ T1699]  ___sys_sendmsg (net/socket.c:2752)
[  100.033751][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.033975][ T1699]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.034164][ T1699]  __sys_sendmsg (net/socket.c:2784)
[  100.034337][ T1699]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.034510][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.034722][ T1699]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.034909][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.035094][ T1699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.035267][ T1699]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.035444][ T1699]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.035624][ T1699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.035826][ T1699] RIP: 0033:0x7f86160c608e
[  100.036028][ T1699] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.036530][ T1699] RSP: 002b:00007ffcba355d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.036766][ T1699] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f86160c608e
[  100.037018][ T1699] RDX: 0000000000000000 RSI: 00007ffcba355e20 RDI: 0000000000000005
[  100.037252][ T1699] RBP: 00007ffcba355d80 R08: 0000000000000000 R09: 0000000000000000
[  100.037486][ T1699] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.037729][ T1699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcba3564f0
| [  100.049000][ T1699] ------------[ cut here ]------------
| [  100.049172][ T1699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1699
| [  100.049467][ T1699] Modules linked in:
| [  100.049937][ T1699] Tainted: [W]=WARN
[  100.050088][ T1699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.050291][ T1699] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.050501][ T1699] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.051024][ T1699] RSP: 0018:ffa0000004df7038 EFLAGS: 00010286
[  100.051230][ T1699] RAX: 00000000ffffffa6 RBX: ff1100000fe911c0 RCX: 1ff40000009bedcd
[  100.051463][ T1699] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9127c
[  100.051705][ T1699] RBP: ff1100000ffe1000 R08: 1fe2200001fd2251 R09: ff1100001078ae58
[  100.051948][ T1699] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  100.052192][ T1699] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  100.052426][ T1699] FS:  00007f8615e8c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.052701][ T1699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.052919][ T1699] CR2: 0000000027e10988 CR3: 000000000cfff003 CR4: 0000000000771ef0
[  100.053161][ T1699] PKRU: 55555554
[  100.053301][ T1699] Call Trace:
[  100.053442][ T1699]  <TASK>
[  100.053559][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.053732][ T1699]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.053920][ T1699]  notifier_call_chain (kernel/notifier.c:85)
[  100.054099][ T1699]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[  100.054271][ T1699]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.054474][ T1699]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  100.054684][ T1699]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.054857][ T1699]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.055054][ T1699]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[  100.055237][ T1699]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.055411][ T1699]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.055621][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.055794][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.055985][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.056159][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.056334][ T1699]  ? __kernel_text_address (kernel/extable.c:79)
[  100.056508][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.056688][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.056860][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.057057][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.057234][ T1699]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.057405][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.057585][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.057763][ T1699]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.057948][ T1699]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.058129][ T1699]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.058303][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.058478][ T1699]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.058655][ T1699]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.058832][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.059027][ T1699]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.059207][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.059379][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.059558][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.059732][ T1699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.059916][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.060098][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.060270][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.060446][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.060625][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.060801][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.060994][ T1699]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.061168][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.061340][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.061513][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.061692][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.061880][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.062062][ T1699]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.062234][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.062407][ T1699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.062590][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.062762][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.062958][ T1699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.063137][ T1699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.063308][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.063481][ T1699]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.063660][ T1699]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.063833][ T1699]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.064026][ T1699]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.064200][ T1699]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.064371][ T1699]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.064585][ T1699]  ? move_addr_to_kernel (net/socket.c:258)
[  100.064760][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.064945][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.065129][ T1699]  ___sys_sendmsg (net/socket.c:2752)
[  100.065301][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.065505][ T1699]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.065697][ T1699]  __sys_sendmsg (net/socket.c:2784)
[  100.065887][ T1699]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.066068][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.066278][ T1699]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.066450][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.066631][ T1699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.066804][ T1699]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.066995][ T1699]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.067176][ T1699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.067381][ T1699] RIP: 0033:0x7f86160c608e
[  100.067567][ T1699] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.068078][ T1699] RSP: 002b:00007ffcba355d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.068317][ T1699] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f86160c608e
[  100.068557][ T1699] RDX: 0000000000000000 RSI: 00007ffcba355e20 RDI: 0000000000000005
[  100.068792][ T1699] RBP: 00007ffcba355d80 R08: 0000000000000000 R09: 0000000000000000
[  100.069047][ T1699] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.069285][ T1699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcba3564f0
| [  100.071840][ T1699] ------------[ cut here ]------------
| [  100.072028][ T1699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1699
| [  100.072328][ T1699] Modules linked in:
| [  100.072779][ T1699] Tainted: [W]=WARN
[  100.072935][ T1699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.073150][ T1699] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.073365][ T1699] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.073884][ T1699] RSP: 0018:ffa0000004df7020 EFLAGS: 00010286
[  100.074100][ T1699] RAX: 00000000ffffffa6 RBX: ff110000109b8200 RCX: 1ff40000009bedca
[  100.074342][ T1699] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b82bc
[  100.074587][ T1699] RBP: ff1100000ffe1000 R08: 1fe2200002137059 R09: ff1100001078ae58
[  100.074823][ T1699] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  100.075081][ T1699] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.075324][ T1699] FS:  00007f8615e8c840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.075600][ T1699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.075807][ T1699] CR2: 0000000027e10988 CR3: 000000000cfff003 CR4: 0000000000771ef0
[  100.076072][ T1699] PKRU: 55555554
[  100.076216][ T1699] Call Trace:
[  100.076359][ T1699]  <TASK>
[  100.076472][ T1699]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.076658][ T1699]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.076805][ T1699]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.077001][ T1699]  __dev_notify_flags (net/core/dev.c:9787)
[  100.077182][ T1699]  ? netif_change_name (net/core/dev.c:1495)
[  100.077357][ T1699]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.077536][ T1699]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.077715][ T1699]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  100.077941][ T1699]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.078131][ T1699]  netif_change_flags (net/core/dev.c:9820)
[  100.078310][ T1699]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.078488][ T1699]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.078670][ T1699]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.078891][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.079081][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.079257][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.079433][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.079619][ T1699]  ? __kernel_text_address (kernel/extable.c:79)
[  100.079795][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.079992][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.080169][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.080350][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.080531][ T1699]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.080707][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.080896][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.081083][ T1699]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.081261][ T1699]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.081437][ T1699]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.081624][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.081805][ T1699]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.082004][ T1699]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.082184][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.082365][ T1699]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.082549][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.082725][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.082915][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.083097][ T1699]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.083275][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.083455][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.083638][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.083814][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.084010][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.084189][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.084366][ T1699]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.084553][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.084730][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.084919][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.085101][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.085275][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.085454][ T1699]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.085637][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.085815][ T1699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.086018][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.086197][ T1699]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.086378][ T1699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.086563][ T1699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.086740][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.086932][ T1699]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.087118][ T1699]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.087298][ T1699]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.087476][ T1699]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.087657][ T1699]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.087834][ T1699]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.088059][ T1699]  ? move_addr_to_kernel (net/socket.c:258)
[  100.088238][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.088414][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.088601][ T1699]  ___sys_sendmsg (net/socket.c:2752)
[  100.088777][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.089008][ T1699]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.089198][ T1699]  __sys_sendmsg (net/socket.c:2784)
[  100.089375][ T1699]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.089555][ T1699]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.089767][ T1699]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.089963][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.090142][ T1699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.090316][ T1699]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.090492][ T1699]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.090678][ T1699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.090898][ T1699] RIP: 0033:0x7f86160c608e
[  100.091087][ T1699] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.091598][ T1699] RSP: 002b:00007ffcba355d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.091837][ T1699] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f86160c608e
[  100.092096][ T1699] RDX: 0000000000000000 RSI: 00007ffcba355e20 RDI: 0000000000000005
[  100.092339][ T1699] RBP: 00007ffcba355d80 R08: 0000000000000000 R09: 0000000000000000
[  100.092586][ T1699] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.092824][ T1699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcba3564f0
| [  100.132969][ T1700] ------------[ cut here ]------------
| [  100.133116][ T1700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1700
| [  100.133377][ T1700] Modules linked in:
| [  100.133748][ T1700] Tainted: [W]=WARN
[  100.133848][ T1700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.134026][ T1700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.134196][ T1700] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.134667][ T1700] RSP: 0018:ffa0000004e06e30 EFLAGS: 00010286
[  100.134832][ T1700] RAX: 00000000ffffffa6 RBX: ff1100000b963380 RCX: 1ff40000009c0d8c
[  100.135042][ T1700] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96343c
[  100.135238][ T1700] RBP: ff1100000b6d1000 R08: 1fe220000172c689 R09: ff1100001078d180
[  100.135433][ T1700] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.135633][ T1700] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000efd2000
[  100.135832][ T1700] FS:  00007f6990e2b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.136076][ T1700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.136240][ T1700] CR2: 000000000042ebe0 CR3: 0000000012bc7005 CR4: 0000000000771ef0
[  100.136438][ T1700] PKRU: 55555554
[  100.136541][ T1700] Call Trace:
[  100.136638][ T1700]  <TASK>
[  100.136706][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.136837][ T1700]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.136980][ T1700]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.137080][ T1700]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[  100.137213][ T1700]  __dev_notify_flags (net/core/dev.c:9787)
[  100.137346][ T1700]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[  100.137477][ T1700]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[  100.137612][ T1700]  ? netif_change_name (net/core/dev.c:1495)
[  100.137743][ T1700]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.137879][ T1700]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.138017][ T1700]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.138150][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.138282][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.138413][ T1700]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.138548][ T1700]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.138679][ T1700]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.138811][ T1700]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  100.138955][ T1700]  veth_newlink (drivers/net/veth.c:1871)
[  100.139089][ T1700]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  100.139221][ T1700]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.139352][ T1700]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.139482][ T1700]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.139630][ T1700]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  100.139761][ T1700]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  100.139901][ T1700]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  100.140039][ T1700]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.140172][ T1700]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  100.140306][ T1700]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  100.140438][ T1700]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.140574][ T1700]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.140707][ T1700]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.140844][ T1700]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.140988][ T1700]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.141123][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.141254][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.141385][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.141519][ T1700]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.141649][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.141784][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.141922][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.142058][ T1700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.142191][ T1700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.142322][ T1700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.142453][ T1700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.142587][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.142717][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.142849][ T1700]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.142992][ T1700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.143127][ T1700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.143260][ T1700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.143391][ T1700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.143527][ T1700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.143660][ T1700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.143793][ T1700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.143932][ T1700]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.144071][ T1700]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.144204][ T1700]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.144337][ T1700]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.144470][ T1700]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.144606][ T1700]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.144768][ T1700]  ? move_addr_to_kernel (net/socket.c:258)
[  100.144908][ T1700]  ___sys_sendmsg (net/socket.c:2752)
[  100.145047][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.145180][ T1700]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.145320][ T1700]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  100.145455][ T1700]  __sys_sendmsg (net/socket.c:2784)
[  100.145589][ T1700]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.145725][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.145857][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.146003][ T1700]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.146135][ T1700]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.146267][ T1700]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.146401][ T1700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.146568][ T1700] RIP: 0033:0x7f699106508e
[  100.146704][ T1700] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.147181][ T1700] RSP: 002b:00007ffda66beb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.147379][ T1700] RAX: ffffffffffffffda RBX: 00007ffda66bf2f8 RCX: 00007f699106508e
[  100.147579][ T1700] RDX: 0000000000000000 RSI: 00007ffda66bec00 RDI: 0000000000000005
[  100.147775][ T1700] RBP: 00007ffda66beb60 R08: 0000000000000000 R09: 0000000000000000
[  100.147982][ T1700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.148179][ T1700] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda66bf2d0
| [  100.155456][ T1700] ------------[ cut here ]------------
| [  100.155599][ T1700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1700
| [  100.155857][ T1700] Modules linked in:
| [  100.156364][ T1700] Tainted: [W]=WARN
[  100.156463][ T1700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.156631][ T1700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.156799][ T1700] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.157272][ T1700] RSP: 0018:ffa0000004e071b0 EFLAGS: 00010286
[  100.157438][ T1700] RAX: 00000000ffffffa6 RBX: ff1100000d512200 RCX: 1ff40000009c0dfc
[  100.157637][ T1700] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5122bc
[  100.157831][ T1700] RBP: ff1100000a83c000 R08: 1fe2200001aa2459 R09: ff1100001078d180
[  100.158036][ T1700] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.158231][ T1700] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[  100.158430][ T1700] FS:  00007f6990e2b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.158663][ T1700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.158828][ T1700] CR2: 000000000042ebe0 CR3: 0000000012bc7005 CR4: 0000000000771ef0
[  100.159040][ T1700] PKRU: 55555554
[  100.159139][ T1700] Call Trace:
[  100.159237][ T1700]  <TASK>
[  100.159306][ T1700]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.159438][ T1700]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.159544][ T1700]  __dev_notify_flags (net/core/dev.c:9787)
[  100.159676][ T1700]  ? netif_change_name (net/core/dev.c:1495)
[  100.159810][ T1700]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  100.159943][ T1700]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.160084][ T1700]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.160217][ T1700]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  100.160350][ T1700]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.160482][ T1700]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.160615][ T1700]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.160753][ T1700]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.160894][ T1700]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.161033][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.161165][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.161295][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.161425][ T1700]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.161560][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.161696][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.161828][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.161968][ T1700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.162100][ T1700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.162231][ T1700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.162361][ T1700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.162495][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.162628][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.162760][ T1700]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.162896][ T1700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.163032][ T1700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.163168][ T1700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.163299][ T1700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.163432][ T1700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.163568][ T1700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.163700][ T1700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.163833][ T1700]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.163977][ T1700]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.164112][ T1700]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.164245][ T1700]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.164380][ T1700]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.164515][ T1700]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.164677][ T1700]  ? move_addr_to_kernel (net/socket.c:258)
[  100.164812][ T1700]  ___sys_sendmsg (net/socket.c:2752)
[  100.164946][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.165085][ T1700]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.165225][ T1700]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  100.165359][ T1700]  __sys_sendmsg (net/socket.c:2784)
[  100.165489][ T1700]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.165628][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.165758][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.165895][ T1700]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.166031][ T1700]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.166161][ T1700]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.166291][ T1700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.166454][ T1700] RIP: 0033:0x7f699106508e
[  100.166593][ T1700] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.167068][ T1700] RSP: 002b:00007ffda66beb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.167266][ T1700] RAX: ffffffffffffffda RBX: 00007ffda66bf2f8 RCX: 00007f699106508e
[  100.167463][ T1700] RDX: 0000000000000000 RSI: 00007ffda66bec00 RDI: 0000000000000005
[  100.167664][ T1700] RBP: 00007ffda66beb60 R08: 0000000000000000 R09: 0000000000000000
[  100.167858][ T1700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.168065][ T1700] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda66bf2d0
| [  100.209025][ T1701] ------------[ cut here ]------------
| [  100.209168][ T1701] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1701
| [  100.209422][ T1701] Modules linked in:
| [  100.209775][ T1701] Tainted: [W]=WARN
[  100.209880][ T1701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.210045][ T1701] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.210210][ T1701] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.210659][ T1701] RSP: 0018:ffa0000004e16ff8 EFLAGS: 00010286
[  100.210817][ T1701] RAX: 00000000ffffffa6 RBX: ff1100000d472580 RCX: 1ff40000009c2dc5
[  100.211019][ T1701] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d47263c
[  100.211206][ T1701] RBP: ff1100000b6d1000 R08: 1fe2200001a8e4c9 R09: ff11000009d30b58
[  100.211392][ T1701] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  100.211580][ T1701] R13: 0000000000000000 R14: ffa0000004e17140 R15: ff1100000f34c050
[  100.211771][ T1701] FS:  00007f0e4e92b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.212010][ T1701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.212168][ T1701] CR2: 0000000008fc8988 CR3: 000000000a2ea002 CR4: 0000000000771ef0
[  100.212359][ T1701] PKRU: 55555554
[  100.212455][ T1701] Call Trace:
[  100.212551][ T1701]  <TASK>
[  100.212617][ T1701]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[  100.212745][ T1701]  __dev_change_net_namespace (net/core/dev.c:12635)
[  100.212975][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.213101][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.213229][ T1701]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.213385][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.213514][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.213642][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.213768][ T1701]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.213901][ T1701]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.214038][ T1701]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  100.214167][ T1701]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.214294][ T1701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.214451][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.214580][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.214705][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.214831][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.214968][ T1701]  ? __kernel_text_address (kernel/extable.c:79)
[  100.215094][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.215222][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.215348][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.215473][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.215603][ T1701]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.215727][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.215852][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.215990][ T1701]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.216116][ T1701]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.216243][ T1701]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.216369][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.216495][ T1701]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.216625][ T1701]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.216754][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.216892][ T1701]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.217027][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.217153][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.217278][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.217403][ T1701]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.217534][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.217661][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.217786][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.217914][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.218051][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.218180][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.218311][ T1701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.218435][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.218563][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.218689][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.218817][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.218949][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.219082][ T1701]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.219208][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.219336][ T1701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.219465][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.219594][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.219720][ T1701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.219847][ T1701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.219982][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.220109][ T1701]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.220236][ T1701]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.220364][ T1701]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.220490][ T1701]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.220618][ T1701]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.220745][ T1701]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.220906][ T1701]  ? move_addr_to_kernel (net/socket.c:258)
[  100.221038][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.221164][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.221293][ T1701]  ___sys_sendmsg (net/socket.c:2752)
[  100.221418][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.221578][ T1701]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.221717][ T1701]  __sys_sendmsg (net/socket.c:2784)
[  100.221844][ T1701]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.221978][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.222138][ T1701]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.222265][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.222392][ T1701]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.222519][ T1701]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.222644][ T1701]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.222770][ T1701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.222932][ T1701] RIP: 0033:0x7f0e4eb6508e
[  100.223071][ T1701] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.223520][ T1701] RSP: 002b:00007ffcab500890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.223710][ T1701] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0e4eb6508e
[  100.223904][ T1701] RDX: 0000000000000000 RSI: 00007ffcab500940 RDI: 0000000000000005
[  100.224098][ T1701] RBP: 00007ffcab5008a0 R08: 0000000000000000 R09: 0000000000000000
[  100.224285][ T1701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.224473][ T1701] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcab501010
| [  100.226999][ T1701] ------------[ cut here ]------------
| [  100.227126][ T1701] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1701
| [  100.227371][ T1701] Modules linked in:
| [  100.227727][ T1701] Tainted: [W]=WARN
[  100.227822][ T1701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.227992][ T1701] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.228155][ T1701] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.228609][ T1701] RSP: 0018:ffa0000004e16fc0 EFLAGS: 00010286
[  100.228768][ T1701] RAX: 00000000ffffffa6 RBX: ff1100000fc4ba80 RCX: 1ff40000009c2dbe
[  100.228969][ T1701] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4bb3c
[  100.229157][ T1701] RBP: ff1100000b6d1000 R08: 1fe2200001f89769 R09: ff11000009d30b58
[  100.229347][ T1701] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  100.229538][ T1701] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f34c050
[  100.229727][ T1701] FS:  00007f0e4e92b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.229957][ T1701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.230116][ T1701] CR2: 0000000008fc8988 CR3: 000000000a2ea002 CR4: 0000000000771ef0
[  100.230307][ T1701] PKRU: 55555554
[  100.230402][ T1701] Call Trace:
[  100.230497][ T1701]  <TASK>
[  100.230566][ T1701]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.230694][ T1701]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.230821][ T1701]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.230924][ T1701]  __dev_change_net_namespace (net/core/dev.c:12695)
[  100.231091][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.231217][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.231346][ T1701]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.231502][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.231633][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.231761][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.231896][ T1701]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.232029][ T1701]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.232159][ T1701]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  100.232290][ T1701]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.232419][ T1701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.232581][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.232709][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.232837][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.232978][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.233107][ T1701]  ? __kernel_text_address (kernel/extable.c:79)
[  100.233236][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.233366][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.233494][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.233627][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.233756][ T1701]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.233888][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.234019][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.234146][ T1701]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.234275][ T1701]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.234401][ T1701]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.234532][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.234660][ T1701]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.234788][ T1701]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.234924][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.235061][ T1701]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.235190][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.235317][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.235443][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.235573][ T1701]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.235698][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.235828][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.235967][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.236094][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.236221][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.236348][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.236476][ T1701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.236607][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.236734][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.236860][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.237001][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.237127][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.237254][ T1701]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.237380][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.237509][ T1701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.237641][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.237768][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.237902][ T1701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.238038][ T1701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.238166][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.238294][ T1701]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.238421][ T1701]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.238552][ T1701]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.238680][ T1701]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.238807][ T1701]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.238943][ T1701]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.239104][ T1701]  ? move_addr_to_kernel (net/socket.c:258)
[  100.239232][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.239358][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.239485][ T1701]  ___sys_sendmsg (net/socket.c:2752)
[  100.239612][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.239770][ T1701]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.239913][ T1701]  __sys_sendmsg (net/socket.c:2784)
[  100.240045][ T1701]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.240171][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.240332][ T1701]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.240459][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.240590][ T1701]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.240719][ T1701]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.240844][ T1701]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.240984][ T1701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.241142][ T1701] RIP: 0033:0x7f0e4eb6508e
[  100.241275][ T1701] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.241732][ T1701] RSP: 002b:00007ffcab500890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.241929][ T1701] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0e4eb6508e
[  100.242123][ T1701] RDX: 0000000000000000 RSI: 00007ffcab500940 RDI: 0000000000000005
[  100.242312][ T1701] RBP: 00007ffcab5008a0 R08: 0000000000000000 R09: 0000000000000000
[  100.242502][ T1701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.242695][ T1701] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcab501010
| [  100.244537][ T1701] ------------[ cut here ]------------
| [  100.244661][ T1701] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1701
| [  100.244915][ T1701] Modules linked in:
| [  100.245272][ T1701] Tainted: [W]=WARN
[  100.245367][ T1701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.245527][ T1701] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.245690][ T1701] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.246568][ T1701] RSP: 0018:ffa0000004e17038 EFLAGS: 00010286
[  100.246728][ T1701] RAX: 00000000ffffffa6 RBX: ff1100000fc4b8c0 RCX: 1ff40000009c2dcd
[  100.246921][ T1701] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b97c
[  100.247114][ T1701] RBP: ff1100000b6d1000 R08: 1fe2200001f89731 R09: ff11000009d30b58
[  100.247303][ T1701] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  100.247489][ T1701] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  100.247681][ T1701] FS:  00007f0e4e92b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.247905][ T1701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.248065][ T1701] CR2: 0000000008fc8988 CR3: 000000000a2ea002 CR4: 0000000000771ef0
[  100.248258][ T1701] PKRU: 55555554
[  100.248352][ T1701] Call Trace:
[  100.248445][ T1701]  <TASK>
[  100.248513][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.248639][ T1701]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.248765][ T1701]  notifier_call_chain (kernel/notifier.c:85)
[  100.248900][ T1701]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[  100.249033][ T1701]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.249192][ T1701]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  100.249349][ T1701]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.249474][ T1701]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.249605][ T1701]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[  100.249734][ T1701]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.249861][ T1701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.250030][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.250158][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.250283][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.250408][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.250538][ T1701]  ? __kernel_text_address (kernel/extable.c:79)
[  100.250664][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.250791][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.250921][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.251054][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.251179][ T1701]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.251304][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.251430][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.251560][ T1701]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.251686][ T1701]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.251812][ T1701]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.251942][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.252075][ T1701]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.252200][ T1701]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.252327][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.252456][ T1701]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.252584][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.252709][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.252835][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.252971][ T1701]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.253099][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.253229][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.253355][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.253480][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.253609][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.253736][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.253862][ T1701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.254000][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.254125][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.254250][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.254464][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.254592][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.254718][ T1701]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.254845][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.254979][ T1701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.255112][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.255238][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.255367][ T1701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.255581][ T1701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.255707][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.255835][ T1701]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.255989][ T1701]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.256202][ T1701]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.256330][ T1701]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.256455][ T1701]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.256583][ T1701]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.256823][ T1701]  ? move_addr_to_kernel (net/socket.c:258)
[  100.256960][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.257086][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.257216][ T1701]  ___sys_sendmsg (net/socket.c:2752)
[  100.257426][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.257583][ T1701]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.257722][ T1701]  __sys_sendmsg (net/socket.c:2784)
[  100.257935][ T1701]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.258069][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.258233][ T1701]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.258362][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.258576][ T1701]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.258702][ T1701]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.258827][ T1701]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.258971][ T1701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.259212][ T1701] RIP: 0033:0x7f0e4eb6508e
[  100.259343][ T1701] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.259892][ T1701] RSP: 002b:00007ffcab500890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.260087][ T1701] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0e4eb6508e
[  100.260359][ T1701] RDX: 0000000000000000 RSI: 00007ffcab500940 RDI: 0000000000000005
[  100.260551][ T1701] RBP: 00007ffcab5008a0 R08: 0000000000000000 R09: 0000000000000000
[  100.260740][ T1701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.261024][ T1701] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcab501010
| [  100.269989][ T1701] ------------[ cut here ]------------
| [  100.270134][ T1701] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1701
| [  100.270387][ T1701] Modules linked in:
| [  100.270749][ T1701] Tainted: [W]=WARN
[  100.270847][ T1701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.271022][ T1701] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.271188][ T1701] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.271649][ T1701] RSP: 0018:ffa0000004e17020 EFLAGS: 00010286
[  100.271809][ T1701] RAX: 00000000ffffffa6 RBX: ff1100000fc4a900 RCX: 1ff40000009c2dca
[  100.272015][ T1701] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a9bc
[  100.272205][ T1701] RBP: ff1100000b6d1000 R08: 1fe2200001f89539 R09: ff11000009d30b58
[  100.272395][ T1701] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[  100.272589][ T1701] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.272781][ T1701] FS:  00007f0e4e92b840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  100.273018][ T1701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.273178][ T1701] CR2: 000000000042ebe0 CR3: 000000000a2ea003 CR4: 0000000000771ef0
[  100.273372][ T1701] PKRU: 55555554
[  100.273466][ T1701] Call Trace:
[  100.273564][ T1701]  <TASK>
[  100.273630][ T1701]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.273760][ T1701]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.273857][ T1701]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.273996][ T1701]  __dev_notify_flags (net/core/dev.c:9787)
[  100.274125][ T1701]  ? netif_change_name (net/core/dev.c:1495)
[  100.274253][ T1701]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.274382][ T1701]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.274512][ T1701]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  100.274672][ T1701]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.274803][ T1701]  netif_change_flags (net/core/dev.c:9820)
[  100.274939][ T1701]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.275074][ T1701]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.275204][ T1701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.275362][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.275489][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.275619][ T1701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.275745][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.275878][ T1701]  ? __kernel_text_address (kernel/extable.c:79)
[  100.276013][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.276143][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.276270][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.276398][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.276527][ T1701]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.276653][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.276779][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.276911][ T1701]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.277047][ T1701]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.277174][ T1701]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.277301][ T1701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.277429][ T1701]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.277559][ T1701]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.277689][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.277820][ T1701]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.277959][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.278088][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.278216][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.278342][ T1701]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.278468][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.278602][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.278728][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.278854][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.278991][ T1701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.279121][ T1701]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.279249][ T1701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.279376][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.279502][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.279631][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.279760][ T1701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.279891][ T1701]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.280029][ T1701]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.280156][ T1701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.280285][ T1701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.280417][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.280548][ T1701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.280678][ T1701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.280806][ T1701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.280940][ T1701]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.281074][ T1701]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.281202][ T1701]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.281330][ T1701]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.281458][ T1701]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.281588][ T1701]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.281715][ T1701]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.281876][ T1701]  ? move_addr_to_kernel (net/socket.c:258)
[  100.282012][ T1701]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.282138][ T1701]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.282266][ T1701]  ___sys_sendmsg (net/socket.c:2752)
[  100.282392][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.282550][ T1701]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.282691][ T1701]  __sys_sendmsg (net/socket.c:2784)
[  100.282818][ T1701]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.282959][ T1701]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.283121][ T1701]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.283248][ T1701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.283376][ T1701]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.283503][ T1701]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.283633][ T1701]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.283759][ T1701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.283922][ T1701] RIP: 0033:0x7f0e4eb6508e
[  100.284061][ T1701] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.284515][ T1701] RSP: 002b:00007ffcab500890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.284707][ T1701] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0e4eb6508e
[  100.284903][ T1701] RDX: 0000000000000000 RSI: 00007ffcab500940 RDI: 0000000000000005
[  100.285098][ T1701] RBP: 00007ffcab5008a0 R08: 0000000000000000 R09: 0000000000000000
[  100.285285][ T1701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.285474][ T1701] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcab501010
| [  100.313449][ T1702] ------------[ cut here ]------------
| [  100.313600][ T1702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1702
| [  100.313862][ T1702] Modules linked in:
| [  100.314246][ T1702] Tainted: [W]=WARN
[  100.314347][ T1702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.314514][ T1702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.314685][ T1702] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.315167][ T1702] RSP: 0018:ffa0000004e26e30 EFLAGS: 00010286
[  100.315332][ T1702] RAX: 00000000ffffffa6 RBX: ff1100000e441a80 RCX: 1ff40000009c4d8c
[  100.315533][ T1702] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e441b3c
[  100.315731][ T1702] RBP: ff110000020bc000 R08: 1fe2200001c88369 R09: ff11000008d48b80
[  100.315995][ T1702] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.316193][ T1702] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009541580
[  100.316390][ T1702] FS:  00007f34eae91840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.316625][ T1702] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.316791][ T1702] CR2: 000000000042ebe0 CR3: 0000000012bc7001 CR4: 0000000000771ef0
[  100.317054][ T1702] PKRU: 55555554
[  100.317153][ T1702] Call Trace:
[  100.317251][ T1702]  <TASK>
[  100.317319][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.317451][ T1702]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.317586][ T1702]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.317687][ T1702]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[  100.317819][ T1702]  __dev_notify_flags (net/core/dev.c:9787)
[  100.318026][ T1702]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[  100.318236][ T1702]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[  100.318373][ T1702]  ? netif_change_name (net/core/dev.c:1495)
[  100.318506][ T1702]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.318641][ T1702]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.318774][ T1702]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.318999][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.319137][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.319269][ T1702]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.319403][ T1702]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.319539][ T1702]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.319669][ T1702]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  100.319804][ T1702]  veth_newlink (drivers/net/veth.c:1871)
[  100.320029][ T1702]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  100.320163][ T1702]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.320294][ T1702]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.320425][ T1702]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.320576][ T1702]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  100.320709][ T1702]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  100.320842][ T1702]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  100.321052][ T1702]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.321187][ T1702]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  100.321321][ T1702]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  100.321455][ T1702]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.321591][ T1702]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.321723][ T1702]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.321862][ T1702]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.322071][ T1702]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.322205][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.322337][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.322469][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.322604][ T1702]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.322736][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.322938][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.323079][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.323212][ T1702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.323346][ T1702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.323478][ T1702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.323612][ T1702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.323746][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.324007][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.324142][ T1702]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.324274][ T1702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.324407][ T1702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.324546][ T1702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.324678][ T1702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.324812][ T1702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.324948][ T1702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.325087][ T1702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.325219][ T1702]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.325352][ T1702]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.325486][ T1702]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.325621][ T1702]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.325753][ T1702]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.325891][ T1702]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.326060][ T1702]  ? move_addr_to_kernel (net/socket.c:258)
[  100.326196][ T1702]  ___sys_sendmsg (net/socket.c:2752)
[  100.326329][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.326461][ T1702]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.326608][ T1702]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  100.326742][ T1702]  __sys_sendmsg (net/socket.c:2784)
[  100.326879][ T1702]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.327021][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.327155][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.327288][ T1702]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.327419][ T1702]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.327552][ T1702]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.327685][ T1702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.327849][ T1702] RIP: 0033:0x7f34eb0cb08e
[  100.327998][ T1702] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.328469][ T1702] RSP: 002b:00007ffc03b81750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.328674][ T1702] RAX: ffffffffffffffda RBX: 00007ffc03b81ef8 RCX: 00007f34eb0cb08e
[  100.328877][ T1702] RDX: 0000000000000000 RSI: 00007ffc03b81800 RDI: 0000000000000005
[  100.329079][ T1702] RBP: 00007ffc03b81760 R08: 0000000000000000 R09: 0000000000000000
[  100.329276][ T1702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.329474][ T1702] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc03b81ed0
| [  100.337228][ T1702] ------------[ cut here ]------------
| [  100.337408][ T1702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1702
| [  100.337722][ T1702] Modules linked in:
| [  100.338206][ T1702] Tainted: [W]=WARN
[  100.338351][ T1702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.338571][ T1702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.338788][ T1702] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.339318][ T1702] RSP: 0018:ffa0000004e271b0 EFLAGS: 00010286
[  100.339531][ T1702] RAX: 00000000ffffffa6 RBX: ff1100000d545540 RCX: 1ff40000009c4dfc
[  100.339775][ T1702] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5455fc
[  100.340039][ T1702] RBP: ff11000010469000 R08: 1fe2200001aa8ac1 R09: ff11000008d48b80
[  100.340282][ T1702] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  100.340525][ T1702] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[  100.340773][ T1702] FS:  00007f34eae91840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.341068][ T1702] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.341280][ T1702] CR2: 00007f8615f59574 CR3: 0000000012bc7005 CR4: 0000000000771ef0
[  100.341525][ T1702] PKRU: 55555554
[  100.341671][ T1702] Call Trace:
[  100.341817][ T1702]  <TASK>
[  100.341944][ T1702]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.342134][ T1702]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.342282][ T1702]  __dev_notify_flags (net/core/dev.c:9787)
[  100.342462][ T1702]  ? netif_change_name (net/core/dev.c:1495)
[  100.342649][ T1702]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  100.342827][ T1702]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.343030][ T1702]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.343214][ T1702]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  100.343395][ T1702]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.343582][ T1702]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.343759][ T1702]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.343961][ T1702]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.344144][ T1702]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.344324][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.344504][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.344687][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.344864][ T1702]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.345064][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.345246][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.345425][ T1702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.345611][ T1702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.345791][ T1702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.345989][ T1702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.346169][ T1702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.346347][ T1702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.346526][ T1702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.346707][ T1702]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.346901][ T1702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.347088][ T1702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.347269][ T1702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.347447][ T1702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.347632][ T1702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.347812][ T1702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.348010][ T1702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.348189][ T1702]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.348368][ T1702]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.348554][ T1702]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.348737][ T1702]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.348928][ T1702]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.349115][ T1702]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.349322][ T1702]  ? move_addr_to_kernel (net/socket.c:258)
[  100.349507][ T1702]  ___sys_sendmsg (net/socket.c:2752)
[  100.349690][ T1702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.349880][ T1702]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.350077][ T1702]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  100.350258][ T1702]  __sys_sendmsg (net/socket.c:2784)
[  100.350438][ T1702]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.350627][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.350806][ T1702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.351006][ T1702]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.351184][ T1702]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.351361][ T1702]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.351549][ T1702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.351759][ T1702] RIP: 0033:0x7f34eb0cb08e
[  100.351961][ T1702] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.352471][ T1702] RSP: 002b:00007ffc03b81750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.352724][ T1702] RAX: ffffffffffffffda RBX: 00007ffc03b81ef8 RCX: 00007f34eb0cb08e
[  100.352988][ T1702] RDX: 0000000000000000 RSI: 00007ffc03b81800 RDI: 0000000000000005
[  100.353230][ T1702] RBP: 00007ffc03b81760 R08: 0000000000000000 R09: 0000000000000000
[  100.353472][ T1702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.353724][ T1702] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc03b81ed0
| [  100.392398][ T1703] ------------[ cut here ]------------
| [  100.392543][ T1703] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1703
| [  100.392791][ T1703] Modules linked in:
| [  100.393157][ T1703] Tainted: [W]=WARN
[  100.393255][ T1703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.393416][ T1703] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.393581][ T1703] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.394034][ T1703] RSP: 0018:ffa0000004e36ff8 EFLAGS: 00010286
[  100.394191][ T1703] RAX: 00000000ffffffa6 RBX: ff1100001020a740 RCX: 1ff40000009c6dc5
[  100.394377][ T1703] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001020a7fc
[  100.394566][ T1703] RBP: ff110000020bc000 R08: 1fe2200002041501 R09: ff11000008d4ae58
[  100.394750][ T1703] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.394940][ T1703] R13: 0000000000000000 R14: ffa0000004e37140 R15: ff1100000e5518d0
[  100.395132][ T1703] FS:  00007f9c3d47b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.395349][ T1703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.395505][ T1703] CR2: 0000000012f9e988 CR3: 0000000012a7e003 CR4: 0000000000771ef0
[  100.395694][ T1703] PKRU: 55555554
[  100.395787][ T1703] Call Trace:
[  100.395883][ T1703]  <TASK>
[  100.395947][ T1703]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[  100.396078][ T1703]  __dev_change_net_namespace (net/core/dev.c:12635)
[  100.396233][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.396357][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.396482][ T1703]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.396643][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.396771][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.396905][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.397036][ T1703]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.397161][ T1703]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.397287][ T1703]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  100.397414][ T1703]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.397544][ T1703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.397697][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.397821][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.397960][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.398084][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.398207][ T1703]  ? __kernel_text_address (kernel/extable.c:79)
[  100.398334][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.398461][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.398589][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.398714][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.398838][ T1703]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.398970][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.399095][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.399220][ T1703]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.399345][ T1703]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.399469][ T1703]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.399597][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.399725][ T1703]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.399850][ T1703]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.399991][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.400120][ T1703]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.400247][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.400371][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.400495][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.400622][ T1703]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.400744][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.400876][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.401006][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.401129][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.401253][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.401378][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.401503][ T1703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.401629][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.401752][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.401880][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.402014][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.402139][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.402264][ T1703]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.402388][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.402516][ T1703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.402643][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.402768][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.402901][ T1703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.403030][ T1703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.403155][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.403280][ T1703]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.403407][ T1703]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.403537][ T1703]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.403662][ T1703]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.403786][ T1703]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.403913][ T1703]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.404072][ T1703]  ? move_addr_to_kernel (net/socket.c:258)
[  100.404198][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.404321][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.404448][ T1703]  ___sys_sendmsg (net/socket.c:2752)
[  100.404575][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.404730][ T1703]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.404865][ T1703]  __sys_sendmsg (net/socket.c:2784)
[  100.404997][ T1703]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.405121][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.405277][ T1703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.405400][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.405529][ T1703]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.405654][ T1703]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.405776][ T1703]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.405905][ T1703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.406063][ T1703] RIP: 0033:0x7f9c3d6b508e
[  100.406192][ T1703] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.406639][ T1703] RSP: 002b:00007ffe39d83090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.406825][ T1703] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9c3d6b508e
[  100.407020][ T1703] RDX: 0000000000000000 RSI: 00007ffe39d83140 RDI: 0000000000000005
[  100.407205][ T1703] RBP: 00007ffe39d830a0 R08: 0000000000000000 R09: 0000000000000000
[  100.407392][ T1703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.407579][ T1703] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39d83810
| [  100.410058][ T1703] ------------[ cut here ]------------
| [  100.410185][ T1703] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1703
| [  100.410436][ T1703] Modules linked in:
| [  100.410791][ T1703] Tainted: [W]=WARN
[  100.410894][ T1703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.411058][ T1703] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.411222][ T1703] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.411676][ T1703] RSP: 0018:ffa0000004e36fc0 EFLAGS: 00010286
[  100.411837][ T1703] RAX: 00000000ffffffa6 RBX: ff1100001020b540 RCX: 1ff40000009c6dbe
[  100.412035][ T1703] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001020b5fc
[  100.412224][ T1703] RBP: ff110000020bc000 R08: 1fe22000020416c1 R09: ff11000008d4ae58
[  100.412413][ T1703] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.412604][ T1703] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5518d0
[  100.412793][ T1703] FS:  00007f9c3d47b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.413028][ T1703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.413186][ T1703] CR2: 0000000012f9e988 CR3: 0000000012a7e003 CR4: 0000000000771ef0
[  100.413378][ T1703] PKRU: 55555554
[  100.413473][ T1703] Call Trace:
[  100.413571][ T1703]  <TASK>
[  100.413636][ T1703]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.413764][ T1703]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.413897][ T1703]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.413998][ T1703]  __dev_change_net_namespace (net/core/dev.c:12695)
[  100.414158][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.414286][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.414415][ T1703]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.414577][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.414704][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.414831][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.414970][ T1703]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.415098][ T1703]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.415230][ T1703]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  100.415359][ T1703]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.415486][ T1703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.415646][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.415773][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.415914][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.416046][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.416175][ T1703]  ? __kernel_text_address (kernel/extable.c:79)
[  100.416303][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.416432][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.416561][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.416688][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.416815][ T1703]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.416945][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.417080][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.417208][ T1703]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.417335][ T1703]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.417461][ T1703]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.417591][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.417720][ T1703]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.417846][ T1703]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.417985][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.418117][ T1703]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.418246][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.418372][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.418499][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.418630][ T1703]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.418756][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.418890][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.419021][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.419149][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.419276][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.419404][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.419535][ T1703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.419662][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.419787][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.419922][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.420057][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.420185][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.420312][ T1703]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.420439][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.420569][ T1703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.420699][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.420825][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.420965][ T1703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.421096][ T1703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.421223][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.421352][ T1703]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.421479][ T1703]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.421611][ T1703]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.421740][ T1703]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.421871][ T1703]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.422005][ T1703]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.422163][ T1703]  ? move_addr_to_kernel (net/socket.c:258)
[  100.422291][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.422419][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.422550][ T1703]  ___sys_sendmsg (net/socket.c:2752)
[  100.422676][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.422833][ T1703]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.422983][ T1703]  __sys_sendmsg (net/socket.c:2784)
[  100.423111][ T1703]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.423238][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.423398][ T1703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.423530][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.423657][ T1703]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.423784][ T1703]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.423912][ T1703]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.424046][ T1703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.424202][ T1703] RIP: 0033:0x7f9c3d6b508e
[  100.424334][ T1703] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.424788][ T1703] RSP: 002b:00007ffe39d83090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.424993][ T1703] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9c3d6b508e
[  100.425182][ T1703] RDX: 0000000000000000 RSI: 00007ffe39d83140 RDI: 0000000000000005
[  100.425372][ T1703] RBP: 00007ffe39d830a0 R08: 0000000000000000 R09: 0000000000000000
[  100.425565][ T1703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.425755][ T1703] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39d83810
| [  100.427613][ T1703] ------------[ cut here ]------------
| [  100.427737][ T1703] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1703
| [  100.428001][ T1703] Modules linked in:
| [  100.428352][ T1703] Tainted: [W]=WARN
[  100.428448][ T1703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.428610][ T1703] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.428774][ T1703] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.429757][ T1703] RSP: 0018:ffa0000004e37038 EFLAGS: 00010286
[  100.429979][ T1703] RAX: 00000000ffffffa6 RBX: ff1100001020b8c0 RCX: 1ff40000009c6dcd
[  100.430171][ T1703] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001020b97c
[  100.430359][ T1703] RBP: ff110000020bc000 R08: 1fe2200002041731 R09: ff11000008d4ae58
[  100.430548][ T1703] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  100.430736][ T1703] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  100.430988][ T1703] FS:  00007f9c3d47b840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.431214][ T1703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.431371][ T1703] CR2: 0000000012f9e988 CR3: 0000000012a7e003 CR4: 0000000000771ef0
[  100.431563][ T1703] PKRU: 55555554
[  100.431658][ T1703] Call Trace:
[  100.431755][ T1703]  <TASK>
[  100.431819][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.432005][ T1703]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.432133][ T1703]  notifier_call_chain (kernel/notifier.c:85)
[  100.432262][ T1703]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[  100.432390][ T1703]  ? default_device_exit_batch (net/core/dev.c:13091)
[  100.432551][ T1703]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  100.432707][ T1703]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.432834][ T1703]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.433022][ T1703]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[  100.433153][ T1703]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.433279][ T1703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.433436][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.433566][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.433692][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.433818][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.434007][ T1703]  ? __kernel_text_address (kernel/extable.c:79)
[  100.434133][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.434261][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.434387][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.434517][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.434642][ T1703]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.434767][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.434945][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.435075][ T1703]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.435202][ T1703]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.435326][ T1703]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.435452][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.435581][ T1703]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.435706][ T1703]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.435835][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.436023][ T1703]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.436151][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.436275][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.436400][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.436528][ T1703]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.436653][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.436782][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.436964][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.437090][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.437215][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.437341][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.437467][ T1703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.437596][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.437722][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.437848][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.438034][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.438158][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.438284][ T1703]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.438410][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.438540][ T1703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.438670][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.438797][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.438984][ T1703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.439112][ T1703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.439239][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.439366][ T1703]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.439494][ T1703]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.439625][ T1703]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.439753][ T1703]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.439932][ T1703]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.440063][ T1703]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.440218][ T1703]  ? move_addr_to_kernel (net/socket.c:258)
[  100.440346][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.440472][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.440603][ T1703]  ___sys_sendmsg (net/socket.c:2752)
[  100.440728][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.440940][ T1703]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.441084][ T1703]  __sys_sendmsg (net/socket.c:2784)
[  100.441210][ T1703]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.441335][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.441492][ T1703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.441621][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.441747][ T1703]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.441927][ T1703]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.442056][ T1703]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.442181][ T1703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.442335][ T1703] RIP: 0033:0x7f9c3d6b508e
[  100.442465][ T1703] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.442979][ T1703] RSP: 002b:00007ffe39d83090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.443169][ T1703] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9c3d6b508e
[  100.443358][ T1703] RDX: 0000000000000000 RSI: 00007ffe39d83140 RDI: 0000000000000005
[  100.443549][ T1703] RBP: 00007ffe39d830a0 R08: 0000000000000000 R09: 0000000000000000
[  100.443739][ T1703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.443987][ T1703] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39d83810
| [  100.446183][ T1703] ------------[ cut here ]------------
| [  100.446322][ T1703] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1703
| [  100.446580][ T1703] Modules linked in:
| [  100.446945][ T1703] Tainted: [W]=WARN
[  100.447050][ T1703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.447210][ T1703] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.447376][ T1703] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.447834][ T1703] RSP: 0018:ffa0000004e37020 EFLAGS: 00010286
[  100.448009][ T1703] RAX: 00000000ffffffa6 RBX: ff1100000a8ce580 RCX: 1ff40000009c6dca
[  100.448199][ T1703] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8ce63c
[  100.448389][ T1703] RBP: ff110000020bc000 R08: 1fe2200001519cc9 R09: ff11000008d4ae58
[  100.448582][ T1703] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  100.448773][ T1703] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.448981][ T1703] FS:  00007f9c3d47b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.449211][ T1703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.449371][ T1703] CR2: 000055dfdb5e2d5c CR3: 0000000012a7e004 CR4: 0000000000771ef0
[  100.449567][ T1703] PKRU: 55555554
[  100.449663][ T1703] Call Trace:
[  100.449759][ T1703]  <TASK>
[  100.449826][ T1703]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.449969][ T1703]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.450068][ T1703]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.450195][ T1703]  __dev_notify_flags (net/core/dev.c:9787)
[  100.450325][ T1703]  ? netif_change_name (net/core/dev.c:1495)
[  100.450453][ T1703]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.450584][ T1703]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.450712][ T1703]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  100.450879][ T1703]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.451014][ T1703]  netif_change_flags (net/core/dev.c:9820)
[  100.451143][ T1703]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.451274][ T1703]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.451404][ T1703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.451566][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.451694][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.451821][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.451958][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.452088][ T1703]  ? __kernel_text_address (kernel/extable.c:79)
[  100.452215][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.452346][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.452472][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.452603][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.452730][ T1703]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.452857][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.452996][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.453125][ T1703]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.453255][ T1703]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.453385][ T1703]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.453516][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.453646][ T1703]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.453774][ T1703]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.453916][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.454052][ T1703]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.454183][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.454312][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.454440][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.454571][ T1703]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.454699][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.454830][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.454970][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.455099][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.455228][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.455359][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.455488][ T1703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.455618][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.455746][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.455879][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.456015][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.456143][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.456271][ T1703]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.456409][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.456541][ T1703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.456672][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.456800][ T1703]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.456937][ T1703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.457073][ T1703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.457204][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.457335][ T1703]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.457463][ T1703]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.457595][ T1703]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.457724][ T1703]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.457851][ T1703]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.457992][ T1703]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.458152][ T1703]  ? move_addr_to_kernel (net/socket.c:258)
[  100.458282][ T1703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.458410][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.458542][ T1703]  ___sys_sendmsg (net/socket.c:2752)
[  100.458669][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.458829][ T1703]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.458980][ T1703]  __sys_sendmsg (net/socket.c:2784)
[  100.459108][ T1703]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.459236][ T1703]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.459398][ T1703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.459529][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.459658][ T1703]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.459786][ T1703]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.459918][ T1703]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.460051][ T1703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.460208][ T1703] RIP: 0033:0x7f9c3d6b508e
[  100.460343][ T1703] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.460800][ T1703] RSP: 002b:00007ffe39d83090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.461004][ T1703] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9c3d6b508e
[  100.461194][ T1703] RDX: 0000000000000000 RSI: 00007ffe39d83140 RDI: 0000000000000005
[  100.461384][ T1703] RBP: 00007ffe39d830a0 R08: 0000000000000000 R09: 0000000000000000
[  100.461579][ T1703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.461769][ T1703] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39d83810
| [  100.506400][ T1704] ------------[ cut here ]------------
| [  100.506587][ T1704] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1704
| [  100.506906][ T1704] Modules linked in:
| [  100.507379][ T1704] Tainted: [W]=WARN
[  100.507526][ T1704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.507740][ T1704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.508425][ T1704] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.508961][ T1704] RSP: 0018:ffa0000004e371b0 EFLAGS: 00010286
[  100.509175][ T1704] RAX: 00000000ffffffa6 RBX: ff1100000fe90740 RCX: 1ff40000009c6dfc
[  100.509414][ T1704] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe907fc
[  100.509661][ T1704] RBP: ff1100000d2aa000 R08: 1fe2200001fd2101 R09: ff1100000dcf0b80
[  100.509916][ T1704] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  100.510163][ T1704] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[  100.510406][ T1704] FS:  00007fb31834b840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.510687][ T1704] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.510911][ T1704] CR2: 00000000004a04a0 CR3: 0000000012ad5002 CR4: 0000000000771ef0
[  100.511164][ T1704] PKRU: 55555554
[  100.511310][ T1704] Call Trace:
[  100.511455][ T1704]  <TASK>
[  100.511578][ T1704]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.511760][ T1704]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.511920][ T1704]  __dev_notify_flags (net/core/dev.c:9787)
[  100.512105][ T1704]  ? netif_change_name (net/core/dev.c:1495)
[  100.512287][ T1704]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.512498][ T1704]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.512688][ T1704]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.512880][ T1704]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[  100.513066][ T1704]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  100.513249][ T1704]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.513428][ T1704]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.513616][ T1704]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.513801][ T1704]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.514005][ T1704]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.514190][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.514369][ T1704]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.514555][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.514735][ T1704]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.514927][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.515121][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.515300][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.515478][ T1704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.515663][ T1704]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.515841][ T1704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.516042][ T1704]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.516224][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.516400][ T1704]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.516589][ T1704]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.516768][ T1704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.516967][ T1704]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.517151][ T1704]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.517329][ T1704]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.517516][ T1704]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.517700][ T1704]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.517892][ T1704]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.518083][ T1704]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.518266][ T1704]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.518445][ T1704]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.518630][ T1704]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.518811][ T1704]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.519010][ T1704]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.519219][ T1704]  ? move_addr_to_kernel (net/socket.c:258)
[  100.519400][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.519588][ T1704]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  100.519768][ T1704]  ___sys_sendmsg (net/socket.c:2752)
[  100.519967][ T1704]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[  100.520150][ T1704]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.520334][ T1704]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  100.520525][ T1704]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  100.520709][ T1704]  __sys_sendmsg (net/socket.c:2784)
[  100.520900][ T1704]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.521091][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.521269][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.521449][ T1704]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.521633][ T1704]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.521814][ T1704]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.522011][ T1704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.522222][ T1704] RIP: 0033:0x7fb31858508e
[  100.522407][ T1704] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.522937][ T1704] RSP: 002b:00007ffd39f4ffd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.523189][ T1704] RAX: ffffffffffffffda RBX: 00007ffd39f50778 RCX: 00007fb31858508e
[  100.523431][ T1704] RDX: 0000000000000000 RSI: 00007ffd39f50080 RDI: 0000000000000005
[  100.523681][ T1704] RBP: 00007ffd39f4ffe0 R08: 0000000000000000 R09: 0000000000000000
[  100.523935][ T1704] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.524186][ T1704] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd39f50750
| [  100.550218][ T1705] ------------[ cut here ]------------
| [  100.550394][ T1705] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1705
| [  100.550706][ T1705] Modules linked in:
| [  100.551700][ T1705] Tainted: [W]=WARN
[  100.551842][ T1705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.552072][ T1705] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.552295][ T1705] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.552803][ T1705] RSP: 0018:ffa0000004e47020 EFLAGS: 00010286
[  100.553251][ T1705] RAX: 00000000ffffffa6 RBX: ff1100000efa0040 RCX: 1ff40000009c8dca
[  100.553489][ T1705] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa00fc
[  100.553733][ T1705] RBP: ff1100000d2aa000 R08: 1fe2200001df4021 R09: ff1100000ecb8b58
[  100.553986][ T1705] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  100.554224][ T1705] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.554463][ T1705] FS:  00007efc6e9fd840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.554741][ T1705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.554966][ T1705] CR2: 00000000216bf988 CR3: 0000000012ad5004 CR4: 0000000000771ef0
[  100.555205][ T1705] PKRU: 55555554
[  100.555347][ T1705] Call Trace:
[  100.555489][ T1705]  <TASK>
[  100.555607][ T1705]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  100.555782][ T1705]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.555980][ T1705]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.556127][ T1705]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.556301][ T1705]  __dev_notify_flags (net/core/dev.c:9787)
[  100.556478][ T1705]  ? netif_change_name (net/core/dev.c:1495)
[  100.556658][ T1705]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.556834][ T1705]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.557027][ T1705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.557204][ T1705]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.557380][ T1705]  netif_change_flags (net/core/dev.c:9820)
[  100.557564][ T1705]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  100.557740][ T1705]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.557932][ T1705]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.558117][ T1705]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.558323][ T1705]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.558497][ T1705]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.558682][ T1705]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.558857][ T1705]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.559055][ T1705]  ? __kernel_text_address (kernel/extable.c:79)
[  100.559233][ T1705]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.559409][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.559591][ T1705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.559767][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.559962][ T1705]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.560137][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.560312][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.560488][ T1705]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.560672][ T1705]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.560848][ T1705]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.561047][ T1705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.561226][ T1705]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.561403][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.561590][ T1705]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.561768][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.561960][ T1705]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.562135][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.562310][ T1705]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.562485][ T1705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.562667][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.562841][ T1705]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.563039][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.563217][ T1705]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.563394][ T1705]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.563579][ T1705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.563755][ T1705]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.563943][ T1705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.564125][ T1705]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.564302][ T1705]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.564476][ T1705]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.564659][ T1705]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.564834][ T1705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.565028][ T1705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.565209][ T1705]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.565384][ T1705]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.565567][ T1705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.565745][ T1705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.565933][ T1705]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.566119][ T1705]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.566296][ T1705]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.566473][ T1705]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.566655][ T1705]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.566831][ T1705]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.567026][ T1705]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.567232][ T1705]  ? move_addr_to_kernel (net/socket.c:258)
[  100.567412][ T1705]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.567594][ T1705]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.567772][ T1705]  ___sys_sendmsg (net/socket.c:2752)
[  100.567968][ T1705]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.568176][ T1705]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.568363][ T1705]  __sys_sendmsg (net/socket.c:2784)
[  100.568543][ T1705]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.568720][ T1705]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.568944][ T1705]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.569129][ T1705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.569306][ T1705]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.569480][ T1705]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.569660][ T1705]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.569838][ T1705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.570066][ T1705] RIP: 0033:0x7efc6ec3708e
[  100.570247][ T1705] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.570753][ T1705] RSP: 002b:00007fff994a47e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.571008][ T1705] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efc6ec3708e
[  100.571247][ T1705] RDX: 0000000000000000 RSI: 00007fff994a4890 RDI: 0000000000000005
[  100.571484][ T1705] RBP: 00007fff994a47f0 R08: 0000000000000000 R09: 0000000000000000
[  100.571724][ T1705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.571981][ T1705] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff994a4f60
| [  100.663822][ T1708] ------------[ cut here ]------------
| [  100.664396][ T1708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1708
| [  100.664696][ T1708] Modules linked in:
| [  100.665155][ T1708] Tainted: [W]=WARN
[  100.665294][ T1708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.665505][ T1708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.665718][ T1708] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.666221][ T1708] RSP: 0018:ffa0000004e77020 EFLAGS: 00010286
[  100.666421][ T1708] RAX: 00000000ffffffa6 RBX: ff1100000c04ae40 RCX: 1ff40000009cedca
[  100.666655][ T1708] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04aefc
[  100.666896][ T1708] RBP: ff110000126d1000 R08: 1fe22000018095e1 R09: ff11000012502e58
[  100.667133][ T1708] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  100.667366][ T1708] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.667608][ T1708] FS:  00007f4910268840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.667883][ T1708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.668090][ T1708] CR2: 00000000004eba70 CR3: 0000000012ad5001 CR4: 0000000000771ef0
[  100.668319][ T1708] PKRU: 55555554
[  100.668456][ T1708] Call Trace:
[  100.668601][ T1708]  <TASK>
[  100.668710][ T1708]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.668894][ T1708]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.669047][ T1708]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.669216][ T1708]  __dev_notify_flags (net/core/dev.c:9787)
[  100.669388][ T1708]  ? netif_change_name (net/core/dev.c:1495)
[  100.669565][ T1708]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.669736][ T1708]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.669915][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.670095][ T1708]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.670266][ T1708]  netif_change_flags (net/core/dev.c:9820)
[  100.670437][ T1708]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  100.670615][ T1708]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.670788][ T1708]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.670977][ T1708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.671176][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.671345][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.671518][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.671692][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.671861][ T1708]  ? __kernel_text_address (kernel/extable.c:79)
[  100.672055][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.672229][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.672398][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.672577][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.672749][ T1708]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.672930][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.673107][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.673277][ T1708]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.673447][ T1708]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.673623][ T1708]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.673793][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.673983][ T1708]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.674154][ T1708]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.674326][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.674498][ T1708]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.674679][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.674848][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.675040][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.675208][ T1708]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.675377][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.675555][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.675722][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.675903][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.676082][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.676254][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.676423][ T1708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.676599][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.676768][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.676946][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.677126][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.677295][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.677467][ T1708]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.677643][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.677812][ T1708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.678005][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.678177][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.678349][ T1708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.678524][ T1708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.678695][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.678878][ T1708]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.679058][ T1708]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.679230][ T1708]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.679400][ T1708]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.679578][ T1708]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.679746][ T1708]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.679964][ T1708]  ? move_addr_to_kernel (net/socket.c:258)
[  100.680136][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.680305][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.680476][ T1708]  ___sys_sendmsg (net/socket.c:2752)
[  100.680648][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.680848][ T1708]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.681049][ T1708]  __sys_sendmsg (net/socket.c:2784)
[  100.681219][ T1708]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.681386][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.681596][ T1708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.681767][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.681947][ T1708]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.682124][ T1708]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.682292][ T1708]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.682461][ T1708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.682668][ T1708] RIP: 0033:0x7f49104a208e
[  100.682843][ T1708] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.683346][ T1708] RSP: 002b:00007ffc43c25e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.683584][ T1708] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f49104a208e
[  100.683814][ T1708] RDX: 0000000000000000 RSI: 00007ffc43c25f20 RDI: 0000000000000005
[  100.684066][ T1708] RBP: 00007ffc43c25e80 R08: 0000000000000000 R09: 0000000000000000
[  100.684297][ T1708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.684528][ T1708] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc43c265f0
| [  100.687764][ T1708] ------------[ cut here ]------------
| [  100.688575][ T1708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1708
| [  100.688936][ T1708] Modules linked in:
| [  100.689435][ T1708] Tainted: [W]=WARN
[  100.689583][ T1708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.689786][ T1708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.690019][ T1708] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.690510][ T1708] RSP: 0018:ffa0000004e76ee0 EFLAGS: 00010286
[  100.690732][ T1708] RAX: 00000000ffffffa6 RBX: ff1100000c04b540 RCX: 1ff40000009ceda2
[  100.690982][ T1708] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b5fc
[  100.691215][ T1708] RBP: ff110000126d1000 R08: 1fe22000018096c1 R09: ff11000012502e58
[  100.691447][ T1708] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  100.691685][ T1708] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  100.691933][ T1708] FS:  00007f4910268840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  100.692205][ T1708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.692408][ T1708] CR2: 00000000004eba70 CR3: 0000000012ad5001 CR4: 0000000000771ef0
[  100.692648][ T1708] PKRU: 55555554
[  100.692788][ T1708] Call Trace:
[  100.692940][ T1708]  <TASK>
[  100.693059][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.693230][ T1708]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.693406][ T1708]  notifier_call_chain (kernel/notifier.c:85)
[  100.693588][ T1708]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  100.693760][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.693945][ T1708]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  100.694128][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.694303][ T1708]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  100.694476][ T1708]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  100.694652][ T1708]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  100.694825][ T1708]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  100.695018][ T1708]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  100.695194][ T1708]  br_add_if (net/bridge/br_if.c:619)
[  100.695343][ T1708]  do_set_master (net/core/rtnetlink.c:3011)
[  100.695517][ T1708]  ? netif_change_flags (net/core/dev.c:9820)
[  100.695694][ T1708]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  100.695882][ T1708]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.696062][ T1708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.696264][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.696435][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.696616][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.696787][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.696979][ T1708]  ? __kernel_text_address (kernel/extable.c:79)
[  100.697152][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.697325][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.697497][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.697676][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.697850][ T1708]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.698038][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.698210][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.698382][ T1708]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.698561][ T1708]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.698732][ T1708]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.698916][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.699096][ T1708]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.699270][ T1708]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.699445][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.699626][ T1708]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.699799][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.699984][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.700158][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.700329][ T1708]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.700502][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.700684][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.700854][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.701046][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.701221][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.701394][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.701574][ T1708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.701747][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.701933][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.702112][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.702288][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.702457][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.702638][ T1708]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.702809][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.703000][ T1708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.703177][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.703349][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.703527][ T1708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.703702][ T1708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.703886][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.704063][ T1708]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.704238][ T1708]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.704411][ T1708]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.704593][ T1708]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.704764][ T1708]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.704946][ T1708]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.705154][ T1708]  ? move_addr_to_kernel (net/socket.c:258)
[  100.705327][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.705497][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.705677][ T1708]  ___sys_sendmsg (net/socket.c:2752)
[  100.705851][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.706072][ T1708]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.706255][ T1708]  __sys_sendmsg (net/socket.c:2784)
[  100.706427][ T1708]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.706607][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.706811][ T1708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.707004][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.707180][ T1708]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.707350][ T1708]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.707523][ T1708]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.707697][ T1708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.707911][ T1708] RIP: 0033:0x7f49104a208e
[  100.708096][ T1708] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.708600][ T1708] RSP: 002b:00007ffc43c25e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.708835][ T1708] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f49104a208e
[  100.709086][ T1708] RDX: 0000000000000000 RSI: 00007ffc43c25f20 RDI: 0000000000000005
[  100.709319][ T1708] RBP: 00007ffc43c25e80 R08: 0000000000000000 R09: 0000000000000000
[  100.709560][ T1708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.709792][ T1708] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc43c265f0
| [  100.711855][ T1708] ------------[ cut here ]------------
| [  100.712001][ T1708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1708
| [  100.712262][ T1708] Modules linked in:
| [  100.712640][ T1708] Tainted: [W]=WARN
[  100.712745][ T1708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.712914][ T1708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.713092][ T1708] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.713567][ T1708] RSP: 0018:ffa0000004e76ea0 EFLAGS: 00010286
[  100.713735][ T1708] RAX: 00000000ffffffa6 RBX: ff1100000c04b000 RCX: 1ff40000009ced9a
[  100.713940][ T1708] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04b0bc
[  100.714143][ T1708] RBP: ff110000126d1000 R08: 1fe2200001809619 R09: ff11000012502e58
[  100.714341][ T1708] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[  100.714542][ T1708] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2aadc0
[  100.714743][ T1708] FS:  00007f4910268840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.714985][ T1708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.715153][ T1708] CR2: 00007f0337d06574 CR3: 0000000012ad5003 CR4: 0000000000771ef0
[  100.715351][ T1708] PKRU: 55555554
[  100.715449][ T1708] Call Trace:
[  100.715551][ T1708]  <TASK>
[  100.715620][ T1708]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.715756][ T1708]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.715859][ T1708]  __dev_notify_flags (net/core/dev.c:9787)
[  100.716003][ T1708]  ? netdev_notice (net/core/dev.c:13008)
[  100.716140][ T1708]  ? netif_change_name (net/core/dev.c:1495)
[  100.716274][ T1708]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  100.716442][ T1708]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  100.716582][ T1708]  __dev_set_promiscuity (net/core/dev.c:9630)
[  100.716718][ T1708]  netif_set_promiscuity (net/core/dev.c:9639)
[  100.716853][ T1708]  dev_set_promiscuity (net/core/dev_api.c:288)
[  100.716998][ T1708]  br_port_set_promisc (net/bridge/br_if.c:108)
[  100.717133][ T1708]  br_manage_promisc (net/bridge/br_if.c:174)
[  100.717267][ T1708]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  100.717401][ T1708]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  100.717507][ T1708]  do_set_master (net/core/rtnetlink.c:3011)
[  100.717641][ T1708]  ? netif_change_flags (net/core/dev.c:9820)
[  100.717776][ T1708]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  100.717916][ T1708]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.718058][ T1708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.718226][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.718359][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.718492][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.718629][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.718763][ T1708]  ? __kernel_text_address (kernel/extable.c:79)
[  100.718903][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.719047][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.719181][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.719314][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.719447][ T1708]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.719582][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.719715][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.719848][ T1708]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.719994][ T1708]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.720129][ T1708]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.720261][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.720396][ T1708]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.720531][ T1708]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.720668][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.720805][ T1708]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.720947][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.721086][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.721220][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.721353][ T1708]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.721488][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.721625][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.721756][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.721894][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.722032][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.722166][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.722299][ T1708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.722432][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.722568][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.722700][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.722834][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.722976][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.723112][ T1708]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.723339][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.723473][ T1708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.723614][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.723747][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.723884][ T1708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.724025][ T1708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.724161][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.724297][ T1708]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.724432][ T1708]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.724570][ T1708]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.724705][ T1708]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.724840][ T1708]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.724985][ T1708]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.725151][ T1708]  ? move_addr_to_kernel (net/socket.c:258)
[  100.725287][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.725421][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.725558][ T1708]  ___sys_sendmsg (net/socket.c:2752)
[  100.725692][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.725859][ T1708]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.726015][ T1708]  __sys_sendmsg (net/socket.c:2784)
[  100.726150][ T1708]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.726284][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.726454][ T1708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.726591][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.726727][ T1708]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.726861][ T1708]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.727006][ T1708]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.727234][ T1708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.727400][ T1708] RIP: 0033:0x7f49104a208e
[  100.727545][ T1708] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.728035][ T1708] RSP: 002b:00007ffc43c25e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.728237][ T1708] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f49104a208e
[  100.728437][ T1708] RDX: 0000000000000000 RSI: 00007ffc43c25f20 RDI: 0000000000000005
[  100.728642][ T1708] RBP: 00007ffc43c25e80 R08: 0000000000000000 R09: 0000000000000000
[  100.728841][ T1708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.729052][ T1708] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc43c265f0
| [  100.736608][ T1708] ------------[ cut here ]------------
| [  100.736743][ T1708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1708
| [  100.737005][ T1708] Modules linked in:
| [  100.737363][ T1708] Tainted: [W]=WARN
[  100.737460][ T1708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.737623][ T1708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.737789][ T1708] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.738261][ T1708] RSP: 0018:ffa0000004e77000 EFLAGS: 00010286
[  100.738423][ T1708] RAX: 00000000ffffffa6 RBX: ff1100000f1b71c0 RCX: 1ff40000009cedc6
[  100.738616][ T1708] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b727c
[  100.738809][ T1708] RBP: ff1100000d2aa000 R08: 1fe2200001e36e51 R09: ff11000012502e58
[  100.739009][ T1708] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  100.739201][ T1708] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  100.739395][ T1708] FS:  00007f4910268840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.739622][ T1708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.739784][ T1708] CR2: 00007f0337d06574 CR3: 0000000012ad5003 CR4: 0000000000771ef0
[  100.739985][ T1708] PKRU: 55555554
[  100.740083][ T1708] Call Trace:
[  100.740179][ T1708]  <TASK>
[  100.740246][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.740374][ T1708]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.740504][ T1708]  notifier_call_chain (kernel/notifier.c:85)
[  100.740639][ T1708]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  100.740768][ T1708]  ? __dev_open (./include/net/netdev_lock.h:33)
[  100.740902][ T1708]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[  100.741038][ T1708]  br_add_if (net/bridge/br_if.c:679)
[  100.741139][ T1708]  do_set_master (net/core/rtnetlink.c:3011)
[  100.741267][ T1708]  ? netif_change_flags (net/core/dev.c:9820)
[  100.741396][ T1708]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  100.741530][ T1708]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.741661][ T1708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.741821][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.741960][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.742088][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.742216][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.742345][ T1708]  ? __kernel_text_address (kernel/extable.c:79)
[  100.742476][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.742611][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.742740][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.742874][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.743009][ T1708]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.743137][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.743266][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.743394][ T1708]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.743529][ T1708]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.743658][ T1708]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.743786][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.743922][ T1708]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.744057][ T1708]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.744188][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.744320][ T1708]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.744451][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.744582][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.744709][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.744837][ T1708]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.744976][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.745108][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.745236][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.745365][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.745496][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.745631][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.745760][ T1708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.745894][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.746031][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.746159][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.746376][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.746506][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.746639][ T1708]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.746769][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.746904][ T1708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.747042][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.747170][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.747301][ T1708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.747519][ T1708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.747651][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.747781][ T1708]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.747914][ T1708]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.748134][ T1708]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.748265][ T1708]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.748393][ T1708]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.748523][ T1708]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.748768][ T1708]  ? move_addr_to_kernel (net/socket.c:258)
[  100.748904][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.749039][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.749170][ T1708]  ___sys_sendmsg (net/socket.c:2752)
[  100.749384][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.749546][ T1708]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.749687][ T1708]  __sys_sendmsg (net/socket.c:2784)
[  100.749815][ T1708]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.749948][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.750117][ T1708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.750245][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.750375][ T1708]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.750591][ T1708]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.750719][ T1708]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.750848][ T1708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.751103][ T1708] RIP: 0033:0x7f49104a208e
[  100.751238][ T1708] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.751789][ T1708] RSP: 002b:00007ffc43c25e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.751993][ T1708] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f49104a208e
[  100.752186][ T1708] RDX: 0000000000000000 RSI: 00007ffc43c25f20 RDI: 0000000000000005
[  100.752467][ T1708] RBP: 00007ffc43c25e80 R08: 0000000000000000 R09: 0000000000000000
[  100.752662][ T1708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.752945][ T1708] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc43c265f0
| [  100.754882][ T1708] ------------[ cut here ]------------
| [  100.755015][ T1708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1708
| [  100.755349][ T1708] Modules linked in:
| [  100.755710][ T1708] Tainted: [W]=WARN
[  100.755807][ T1708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.756067][ T1708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.756235][ T1708] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.756701][ T1708] RSP: 0018:ffa0000004e76f78 EFLAGS: 00010286
[  100.756860][ T1708] RAX: 00000000ffffffa6 RBX: ff1100000f1b5700 RCX: 1ff40000009cedb5
[  100.757064][ T1708] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b57bc
[  100.757257][ T1708] RBP: ff1100000d2aa000 R08: 1fe2200001e36af9 R09: ff11000012502e58
[  100.757448][ T1708] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  100.757730][ T1708] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[  100.757926][ T1708] FS:  00007f4910268840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.758155][ T1708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.758316][ T1708] CR2: 00007f0337d06574 CR3: 0000000012ad5003 CR4: 0000000000771ef0
[  100.758513][ T1708] PKRU: 55555554
[  100.758609][ T1708] Call Trace:
[  100.758704][ T1708]  <TASK>
[  100.758771][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.758904][ T1708]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.759038][ T1708]  notifier_call_chain (kernel/notifier.c:85)
[  100.759254][ T1708]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  100.759417][ T1708]  ? netdev_change_features (net/core/dev.c:11117)
[  100.759550][ T1708]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  100.759681][ T1708]  br_add_if (net/bridge/br_if.c:683)
[  100.759783][ T1708]  do_set_master (net/core/rtnetlink.c:3011)
[  100.759916][ T1708]  ? netif_change_flags (net/core/dev.c:9820)
[  100.760050][ T1708]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  100.760182][ T1708]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.760312][ T1708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.760471][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.760602][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.760731][ T1708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.760871][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.761005][ T1708]  ? __kernel_text_address (kernel/extable.c:79)
[  100.761133][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.761263][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.761476][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.761609][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.761737][ T1708]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.761865][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.762004][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.762133][ T1708]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.762262][ T1708]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.762390][ T1708]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.762520][ T1708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.762650][ T1708]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.762778][ T1708]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.762914][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.763051][ T1708]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.763182][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.763310][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.763437][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.763654][ T1708]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.763781][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.763914][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.764048][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.764178][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.764306][ T1708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.764436][ T1708]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.764568][ T1708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.764696][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.764823][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.764962][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.765093][ T1708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.765306][ T1708]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.765436][ T1708]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.765568][ T1708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.765697][ T1708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.765830][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.765969][ T1708]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.766100][ T1708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.766232][ T1708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.766361][ T1708]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.766491][ T1708]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.766624][ T1708]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.766754][ T1708]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.766887][ T1708]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.767020][ T1708]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.767150][ T1708]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.767310][ T1708]  ? move_addr_to_kernel (net/socket.c:258)
[  100.767527][ T1708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.767656][ T1708]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.767785][ T1708]  ___sys_sendmsg (net/socket.c:2752)
[  100.767921][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.768087][ T1708]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.768229][ T1708]  __sys_sendmsg (net/socket.c:2784)
[  100.768359][ T1708]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.768488][ T1708]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.768653][ T1708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.768782][ T1708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.768915][ T1708]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.769049][ T1708]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.769177][ T1708]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.769307][ T1708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.769466][ T1708] RIP: 0033:0x7f49104a208e
[  100.769694][ T1708] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.770166][ T1708] RSP: 002b:00007ffc43c25e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.770361][ T1708] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f49104a208e
[  100.770553][ T1708] RDX: 0000000000000000 RSI: 00007ffc43c25f20 RDI: 0000000000000005
[  100.770745][ T1708] RBP: 00007ffc43c25e80 R08: 0000000000000000 R09: 0000000000000000
[  100.770944][ T1708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd50
[  100.771143][ T1708] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc43c265f0
| [  100.773594][   T38] ------------[ cut here ]------------
| [  100.773711][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [  100.773959][   T38] Modules linked in:
| [  100.774319][   T38] Tainted: [W]=WARN
[  100.774408][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.774558][   T38] Workqueue: events_unbound linkwatch_event
[  100.774710][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.774871][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.775297][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  100.775447][   T38] RAX: 00000000ffffffa6 RBX: ff110000105f3700 RCX: 1ff4000000055f02
[  100.775628][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f37bc
[  100.775806][   T38] RBP: ff110000126d1000 R08: 1fe22000020be6f9 R09: ff11000001da2ea8
[  100.775997][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  100.776177][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  100.776353][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.776565][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.776719][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[  100.776906][   T38] PKRU: 55555554
[  100.776999][   T38] Call Trace:
[  100.777087][   T38]  <TASK>
[  100.777148][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.777267][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.777389][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.777479][   T38]  netif_state_change (net/core/dev.c:1605)
[  100.777602][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  100.777754][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  100.777876][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  100.777997][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.778116][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  100.778234][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  100.778356][   T38]  process_one_work (kernel/workqueue.c:3314)
[  100.778479][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  100.778600][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.778722][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  100.778845][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.778968][   T38]  kthread (kernel/kthread.c:436)
[  100.779058][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.779204][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.779325][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  100.779444][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  100.779595][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  100.779712][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.779830][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  100.791047][   T38] ------------[ cut here ]------------
| [  100.791177][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [  100.791415][   T38] Modules linked in:
| [  100.791785][   T38] Tainted: [W]=WARN
[  100.791881][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.792038][   T38] Workqueue: events_unbound linkwatch_event
[  100.792194][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.792352][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.792781][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  100.792939][   T38] RAX: 00000000ffffffa6 RBX: ff1100000901f8c0 RCX: 1ff4000000055f02
[  100.793125][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901f97c
[  100.793300][   T38] RBP: ff110000095d9000 R08: 1fe2200001203f31 R09: ff11000001da2ea8
[  100.793480][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  100.793665][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  100.793843][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.794064][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.794217][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[  100.794396][   T38] PKRU: 55555554
[  100.794485][   T38] Call Trace:
[  100.794576][   T38]  <TASK>
[  100.794639][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.794760][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.794881][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.794983][   T38]  netif_state_change (net/core/dev.c:1605)
[  100.795103][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  100.795256][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  100.795374][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  100.795499][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.795625][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  100.795743][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  100.795861][   T38]  process_one_work (kernel/workqueue.c:3314)
[  100.795996][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  100.796114][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.796238][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  100.796364][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.796486][   T38]  kthread (kernel/kthread.c:436)
[  100.796577][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.796725][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.796843][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  100.796973][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  100.797121][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  100.797244][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.797363][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  100.798717][   T38] ------------[ cut here ]------------
| [  100.798832][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [  100.799081][   T38] Modules linked in:
| [  100.799438][   T38] Tainted: [W]=WARN
[  100.799531][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.799681][   T38] Workqueue: events_unbound linkwatch_event
[  100.799836][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.800002][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.800420][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  100.800573][   T38] RAX: 00000000ffffffa6 RBX: ff1100000901f540 RCX: 1ff4000000055f02
[  100.800748][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901f5fc
[  100.800943][   T38] RBP: ff1100000d2aa000 R08: 1fe2200001203ec1 R09: ff11000001da2ea8
[  100.801124][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  100.801306][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  100.801483][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.801692][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.801839][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29006 CR4: 0000000000771ef0
[  100.802028][   T38] PKRU: 55555554
[  100.802117][   T38] Call Trace:
[  100.802205][   T38]  <TASK>
[  100.802266][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.802384][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.802503][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.802597][   T38]  netif_state_change (net/core/dev.c:1605)
[  100.802716][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  100.802871][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  100.802997][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  100.803116][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.803235][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  100.803351][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  100.803474][   T38]  process_one_work (kernel/workqueue.c:3314)
[  100.803599][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  100.803720][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.803847][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  100.803976][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.804093][   T38]  kthread (kernel/kthread.c:436)
[  100.804182][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.804327][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.804445][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  100.804570][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  100.804716][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  100.804833][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.804965][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  100.807674][ T1709] ------------[ cut here ]------------
| [  100.807811][ T1709] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1709
| [  100.808818][ T1709] Modules linked in:
| [  100.809278][ T1709] Tainted: [W]=WARN
[  100.809377][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.809540][ T1709] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.809785][ T1709] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.810325][ T1709] RSP: 0018:ffa0000004e87020 EFLAGS: 00010286
[  100.810486][ T1709] RAX: 00000000ffffffa6 RBX: ff1100000caa0740 RCX: 1ff40000009d0dca
[  100.810677][ T1709] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa07fc
[  100.810959][ T1709] RBP: ff1100000a3bc000 R08: 1fe2200001954101 R09: ff11000012505158
[  100.811151][ T1709] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  100.811342][ T1709] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.811538][ T1709] FS:  00007f8085d20840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.811761][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.812013][ T1709] CR2: 00000000004eba78 CR3: 000000000a2ea005 CR4: 0000000000771ef0
[  100.812207][ T1709] PKRU: 55555554
[  100.812303][ T1709] Call Trace:
[  100.812398][ T1709]  <TASK>
[  100.812465][ T1709]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.812598][ T1709]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.812697][ T1709]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.812823][ T1709]  __dev_notify_flags (net/core/dev.c:9787)
[  100.813030][ T1709]  ? netif_change_name (net/core/dev.c:1495)
[  100.813159][ T1709]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.813289][ T1709]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.813416][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.813550][ T1709]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  100.813679][ T1709]  netif_change_flags (net/core/dev.c:9820)
[  100.813807][ T1709]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  100.814008][ T1709]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.814141][ T1709]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.814270][ T1709]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.814429][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.814560][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.814687][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.814815][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.815002][ T1709]  ? __kernel_text_address (kernel/extable.c:79)
[  100.815137][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.815265][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.815391][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.815521][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.815648][ T1709]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.815778][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.815909][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.816042][ T1709]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.816169][ T1709]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.816294][ T1709]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.816421][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.816553][ T1709]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.816678][ T1709]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.816807][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.816942][ T1709]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.817076][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.817202][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.817329][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.817456][ T1709]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.817585][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.817714][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.817840][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.817978][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.818106][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.818237][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.818364][ T1709]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.818491][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.818621][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.818747][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.818880][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.819014][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.819142][ T1709]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.819270][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.819396][ T1709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.819530][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.819657][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.819785][ T1709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.819920][ T1709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.820055][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.820182][ T1709]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.820311][ T1709]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.820439][ T1709]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.820571][ T1709]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.820699][ T1709]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.820828][ T1709]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.820999][ T1709]  ? move_addr_to_kernel (net/socket.c:258)
[  100.821128][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.821255][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.821383][ T1709]  ___sys_sendmsg (net/socket.c:2752)
[  100.821514][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.821673][ T1709]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.821812][ T1709]  __sys_sendmsg (net/socket.c:2784)
[  100.821944][ T1709]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.822076][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.822236][ T1709]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.822364][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.822494][ T1709]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.822625][ T1709]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.822751][ T1709]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.822882][ T1709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.823048][ T1709] RIP: 0033:0x7f8085f5a08e
[  100.823182][ T1709] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.823640][ T1709] RSP: 002b:00007ffd16fbf790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.823834][ T1709] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8085f5a08e
[  100.824034][ T1709] RDX: 0000000000000000 RSI: 00007ffd16fbf840 RDI: 0000000000000005
[  100.824226][ T1709] RBP: 00007ffd16fbf7a0 R08: 0000000000000000 R09: 0000000000000000
[  100.824416][ T1709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  100.824612][ T1709] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16fbff10
| [  100.827329][ T1709] ------------[ cut here ]------------
| [  100.827459][ T1709] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1709
| [  100.827716][ T1709] Modules linked in:
| [  100.828093][ T1709] Tainted: [W]=WARN
[  100.828197][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.828362][ T1709] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.828535][ T1709] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.829012][ T1709] RSP: 0018:ffa0000004e86ee0 EFLAGS: 00010286
[  100.829179][ T1709] RAX: 00000000ffffffa6 RBX: ff1100000caa0e40 RCX: 1ff40000009d0da2
[  100.829373][ T1709] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0efc
[  100.829571][ T1709] RBP: ff1100000a3bc000 R08: 1fe22000019541e1 R09: ff11000012505158
[  100.829767][ T1709] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  100.829970][ T1709] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  100.830169][ T1709] FS:  00007f8085d20840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.830397][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.830569][ T1709] CR2: 00000000004eba78 CR3: 000000000a2ea005 CR4: 0000000000771ef0
[  100.830767][ T1709] PKRU: 55555554
[  100.830864][ T1709] Call Trace:
[  100.830970][ T1709]  <TASK>
[  100.831038][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.831169][ T1709]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.831301][ T1709]  notifier_call_chain (kernel/notifier.c:85)
[  100.831435][ T1709]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  100.831569][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.831702][ T1709]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  100.831835][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.831980][ T1709]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  100.832113][ T1709]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  100.832244][ T1709]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  100.832374][ T1709]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  100.832509][ T1709]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  100.832643][ T1709]  br_add_if (net/bridge/br_if.c:619)
[  100.832746][ T1709]  do_set_master (net/core/rtnetlink.c:3011)
[  100.832880][ T1709]  ? netif_change_flags (net/core/dev.c:9820)
[  100.833021][ T1709]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  100.833155][ T1709]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.833287][ T1709]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.833452][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.833585][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.833716][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.833846][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.833989][ T1709]  ? __kernel_text_address (kernel/extable.c:79)
[  100.834120][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.834253][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.834387][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.834520][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.834651][ T1709]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.834782][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.834915][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.835050][ T1709]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.835182][ T1709]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.835314][ T1709]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.835446][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.835583][ T1709]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.835713][ T1709]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.835847][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.835991][ T1709]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.836125][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.836255][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.836388][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.836520][ T1709]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.836651][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.836784][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.836916][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.837059][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.837190][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.837322][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.837454][ T1709]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.837586][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.837716][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.837848][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.837990][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.838120][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.838252][ T1709]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.838383][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.838518][ T1709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.838653][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.838785][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.838923][ T1709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.839060][ T1709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.839191][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.839323][ T1709]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.839458][ T1709]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.839595][ T1709]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.839727][ T1709]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.839858][ T1709]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.840000][ T1709]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.840162][ T1709]  ? move_addr_to_kernel (net/socket.c:258)
[  100.840293][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.840425][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.840561][ T1709]  ___sys_sendmsg (net/socket.c:2752)
[  100.840692][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.840854][ T1709]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.841007][ T1709]  __sys_sendmsg (net/socket.c:2784)
[  100.841138][ T1709]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.841268][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.841435][ T1709]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.841571][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.841703][ T1709]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.841833][ T1709]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.841971][ T1709]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.842102][ T1709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.842265][ T1709] RIP: 0033:0x7f8085f5a08e
[  100.842400][ T1709] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.842874][ T1709] RSP: 002b:00007ffd16fbf790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.843079][ T1709] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8085f5a08e
[  100.843274][ T1709] RDX: 0000000000000000 RSI: 00007ffd16fbf840 RDI: 0000000000000005
[  100.843472][ T1709] RBP: 00007ffd16fbf7a0 R08: 0000000000000000 R09: 0000000000000000
[  100.843671][ T1709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  100.843873][ T1709] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16fbff10
| [  100.845592][ T1709] ------------[ cut here ]------------
| [  100.845727][ T1709] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1709
| [  100.846007][ T1709] Modules linked in:
| [  100.846385][ T1709] Tainted: [W]=WARN
[  100.846487][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.846661][ T1709] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.846837][ T1709] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.848111][ T1709] RSP: 0018:ffa0000004e86ea0 EFLAGS: 00010286
[  100.848285][ T1709] RAX: 00000000ffffffa6 RBX: ff1100000caa0ac0 RCX: 1ff40000009d0d9a
[  100.848489][ T1709] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa0b7c
[  100.848697][ T1709] RBP: ff1100000a3bc000 R08: 1fe2200001954171 R09: ff11000012505158
[  100.848976][ T1709] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[  100.849179][ T1709] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2aadc0
[  100.849384][ T1709] FS:  00007f8085d20840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.849624][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.849794][ T1709] CR2: 00000000004eba78 CR3: 000000000a2ea005 CR4: 0000000000771ef0
[  100.850063][ T1709] PKRU: 55555554
[  100.850167][ T1709] Call Trace:
[  100.850327][ T1709]  <TASK>
[  100.850398][ T1709]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.850539][ T1709]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.850645][ T1709]  __dev_notify_flags (net/core/dev.c:9787)
[  100.850783][ T1709]  ? netdev_notice (net/core/dev.c:13008)
[  100.850985][ T1709]  ? netif_change_name (net/core/dev.c:1495)
[  100.851121][ T1709]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  100.851294][ T1709]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  100.851432][ T1709]  __dev_set_promiscuity (net/core/dev.c:9630)
[  100.851574][ T1709]  netif_set_promiscuity (net/core/dev.c:9639)
[  100.851714][ T1709]  dev_set_promiscuity (net/core/dev_api.c:288)
[  100.851850][ T1709]  br_port_set_promisc (net/bridge/br_if.c:108)
[  100.852052][ T1709]  br_manage_promisc (net/bridge/br_if.c:174)
[  100.852188][ T1709]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  100.852327][ T1709]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  100.852433][ T1709]  do_set_master (net/core/rtnetlink.c:3011)
[  100.852574][ T1709]  ? netif_change_flags (net/core/dev.c:9820)
[  100.852711][ T1709]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  100.852852][ T1709]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.853053][ T1709]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.853225][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.853361][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.853496][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.853636][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.853774][ T1709]  ? __kernel_text_address (kernel/extable.c:79)
[  100.853976][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.854114][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.854250][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.854386][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.854524][ T1709]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.854660][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.854796][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.854998][ T1709]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.855136][ T1709]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.855272][ T1709]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.855409][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.855551][ T1709]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.855687][ T1709]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.855825][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.856028][ T1709]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.856170][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.856305][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.856442][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.856582][ T1709]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.856717][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.856855][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.857058][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.857196][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.857333][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.857471][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.857611][ T1709]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.857747][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.857941][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.858084][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.858222][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.858359][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.858497][ T1709]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.858636][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.858773][ T1709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.858978][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.859114][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.859253][ T1709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.859392][ T1709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.859532][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.859670][ T1709]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.859808][ T1709]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.860010][ T1709]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.860149][ T1709]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.860285][ T1709]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.860423][ T1709]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.860599][ T1709]  ? move_addr_to_kernel (net/socket.c:258)
[  100.860737][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.860935][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.861079][ T1709]  ___sys_sendmsg (net/socket.c:2752)
[  100.861216][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.861385][ T1709]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.861535][ T1709]  __sys_sendmsg (net/socket.c:2784)
[  100.861675][ T1709]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.861813][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.862051][ T1709]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.862189][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.862326][ T1709]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.862465][ T1709]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.862605][ T1709]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.862746][ T1709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.862982][ T1709] RIP: 0033:0x7f8085f5a08e
[  100.863126][ T1709] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.863615][ T1709] RSP: 002b:00007ffd16fbf790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.863824][ T1709] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8085f5a08e
[  100.864095][ T1709] RDX: 0000000000000000 RSI: 00007ffd16fbf840 RDI: 0000000000000005
[  100.864299][ T1709] RBP: 00007ffd16fbf7a0 R08: 0000000000000000 R09: 0000000000000000
[  100.864502][ T1709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  100.864713][ T1709] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16fbff10
| [  100.872802][ T1709] ------------[ cut here ]------------
| [  100.872944][ T1709] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1709
| [  100.873209][ T1709] Modules linked in:
| [  100.873576][ T1709] Tainted: [W]=WARN
[  100.873674][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.873835][ T1709] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.874018][ T1709] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.874482][ T1709] RSP: 0018:ffa0000004e86f78 EFLAGS: 00010286
[  100.874648][ T1709] RAX: 00000000ffffffa6 RBX: ff1100000d6d7a80 RCX: 1ff40000009d0db5
[  100.874842][ T1709] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d7b3c
[  100.875047][ T1709] RBP: ff1100000d2aa000 R08: 1fe2200001adaf69 R09: ff11000012505158
[  100.875240][ T1709] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  100.875432][ T1709] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  100.875630][ T1709] FS:  00007f8085d20840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  100.875856][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.876068][ T1709] CR2: 000055dfdb5e2d5c CR3: 000000000a2ea005 CR4: 0000000000771ef0
[  100.876263][ T1709] PKRU: 55555554
[  100.876360][ T1709] Call Trace:
[  100.876457][ T1709]  <TASK>
[  100.876525][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.876655][ T1709]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  100.876786][ T1709]  notifier_call_chain (kernel/notifier.c:85)
[  100.876924][ T1709]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  100.877093][ T1709]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[  100.877256][ T1709]  ? netdev_change_features (net/core/dev.c:11117)
[  100.877388][ T1709]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  100.877521][ T1709]  br_add_if (net/bridge/br_if.c:683)
[  100.877622][ T1709]  do_set_master (net/core/rtnetlink.c:3011)
[  100.877752][ T1709]  ? netif_change_flags (net/core/dev.c:9820)
[  100.877891][ T1709]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  100.878030][ T1709]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.878161][ T1709]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.878323][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.878454][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.878585][ T1709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.878715][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.878847][ T1709]  ? __kernel_text_address (kernel/extable.c:79)
[  100.878990][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.879122][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.879251][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.879382][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.879516][ T1709]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.879645][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.879774][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.879920][ T1709]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.880060][ T1709]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  100.880189][ T1709]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.880321][ T1709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.880452][ T1709]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.880584][ T1709]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.880716][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.880850][ T1709]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.880993][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.881123][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.881253][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.881383][ T1709]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.881516][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.881649][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.881779][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.881915][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.882052][ T1709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.882185][ T1709]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.882315][ T1709]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.882445][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.882577][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.882707][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.882838][ T1709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.882980][ T1709]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.883112][ T1709]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.883243][ T1709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.883373][ T1709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.883509][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.883640][ T1709]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.883772][ T1709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.883911][ T1709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.884049][ T1709]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.884180][ T1709]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.884312][ T1709]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.884443][ T1709]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.884579][ T1709]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.884709][ T1709]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.884839][ T1709]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.885011][ T1709]  ? move_addr_to_kernel (net/socket.c:258)
[  100.885142][ T1709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.885271][ T1709]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.885404][ T1709]  ___sys_sendmsg (net/socket.c:2752)
[  100.885537][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.885699][ T1709]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.885844][ T1709]  __sys_sendmsg (net/socket.c:2784)
[  100.885985][ T1709]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.886116][ T1709]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.886282][ T1709]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.886412][ T1709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.886547][ T1709]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.886678][ T1709]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.886808][ T1709]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.886945][ T1709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.887111][ T1709] RIP: 0033:0x7f8085f5a08e
[  100.887248][ T1709] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.887716][ T1709] RSP: 002b:00007ffd16fbf790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.887917][ T1709] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8085f5a08e
[  100.888116][ T1709] RDX: 0000000000000000 RSI: 00007ffd16fbf840 RDI: 0000000000000005
[  100.888310][ T1709] RBP: 00007ffd16fbf7a0 R08: 0000000000000000 R09: 0000000000000000
[  100.888504][ T1709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  100.888703][ T1709] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16fbff10
| [  100.891054][ T1028] ------------[ cut here ]------------
| [  100.891170][ T1028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/1028
| [  100.891402][ T1028] Modules linked in:
| [  100.891763][ T1028] Tainted: [W]=WARN
[  100.891852][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.892016][ T1028] Workqueue: events_unbound linkwatch_event
[  100.892168][ T1028] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.892323][ T1028] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.892754][ T1028] RSP: 0018:ffa0000002ff79e0 EFLAGS: 00010286
[  100.892911][ T1028] RAX: 00000000ffffffa6 RBX: ff1100000e440740 RCX: 1ff40000005fef02
[  100.893091][ T1028] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4407fc
[  100.893267][ T1028] RBP: ff1100000a3bc000 R08: 1fe2200001c88101 R09: ff11000009438ba8
[  100.893446][ T1028] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  100.893624][ T1028] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  100.893800][ T1028] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.894015][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.894163][ T1028] CR2: 00000000004eba78 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  100.894340][ T1028] PKRU: 55555554
[  100.894427][ T1028] Call Trace:
[  100.894516][ T1028]  <TASK>
[  100.894578][ T1028]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.894695][ T1028]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.894813][ T1028]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.894910][ T1028]  netif_state_change (net/core/dev.c:1605)
[  100.895034][ T1028]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  100.895182][ T1028]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  100.895298][ T1028]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  100.895416][ T1028]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.895539][ T1028]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  100.895655][ T1028]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  100.895777][ T1028]  process_one_work (kernel/workqueue.c:3314)
[  100.895906][ T1028]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  100.896029][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.896151][ T1028]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  100.896269][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.896386][ T1028]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  100.896506][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.896625][ T1028]  kthread (kernel/kthread.c:436)
[  100.896718][ T1028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.896865][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.896994][ T1028]  ret_from_fork (arch/x86/kernel/process.c:158)
[  100.897112][ T1028]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  100.897258][ T1028]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  100.897376][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.897498][ T1028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  100.899148][ T1028] ------------[ cut here ]------------
| [  100.899268][ T1028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/1028
| [  100.899497][ T1028] Modules linked in:
| [  100.899861][ T1028] Tainted: [W]=WARN
[  100.899962][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.900110][ T1028] Workqueue: events_unbound linkwatch_event
[  100.900265][ T1028] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.900418][ T1028] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.900847][ T1028] RSP: 0018:ffa0000002ff79e0 EFLAGS: 00010286
[  100.901016][ T1028] RAX: 00000000ffffffa6 RBX: ff1100000d513380 RCX: 1ff40000005fef02
[  100.901193][ T1028] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51343c
[  100.901368][ T1028] RBP: ff1100000ffe1000 R08: 1fe2200001aa2689 R09: ff11000009438ba8
[  100.901546][ T1028] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  100.901723][ T1028] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  100.901908][ T1028] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.902120][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.902271][ T1028] CR2: 00000000004eba78 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  100.902448][ T1028] PKRU: 55555554
[  100.902538][ T1028] Call Trace:
[  100.902625][ T1028]  <TASK>
[  100.902686][ T1028]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.902803][ T1028]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.902926][ T1028]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.903023][ T1028]  netif_state_change (net/core/dev.c:1605)
[  100.903141][ T1028]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  100.903288][ T1028]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  100.903405][ T1028]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  100.903527][ T1028]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.903649][ T1028]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  100.903766][ T1028]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  100.903889][ T1028]  process_one_work (kernel/workqueue.c:3314)
[  100.904014][ T1028]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  100.904132][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.904253][ T1028]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  100.904371][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.904494][ T1028]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  100.904616][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.904732][ T1028]  kthread (kernel/kthread.c:436)
[  100.904820][ T1028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.904977][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.905095][ T1028]  ret_from_fork (arch/x86/kernel/process.c:158)
[  100.905214][ T1028]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  100.905363][ T1028]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  100.905480][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.905601][ T1028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  100.989693][ T1712] ------------[ cut here ]------------
| [  100.989844][ T1712] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1712
| [  100.990119][ T1712] Modules linked in:
| [  100.990488][ T1712] Tainted: [W]=WARN
[  100.990591][ T1712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.990755][ T1712] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.990932][ T1712] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  100.991404][ T1712] RSP: 0018:ffa0000004eb71b0 EFLAGS: 00010286
[  100.991572][ T1712] RAX: 00000000ffffffa6 RBX: ff1100000ef50e40 RCX: 1ff40000009d6dfc
[  100.991768][ T1712] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ef50efc
[  100.992046][ T1712] RBP: ff11000009762000 R08: 1fe2200001dea1e1 R09: ff1100000f2f8b80
[  100.992248][ T1712] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.992443][ T1712] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[  100.992644][ T1712] FS:  00007ff3b45dc840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  100.992878][ T1712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.993050][ T1712] CR2: 00000000004a04a0 CR3: 00000000049f2004 CR4: 0000000000771ef0
[  100.993249][ T1712] PKRU: 55555554
[  100.993348][ T1712] Call Trace:
[  100.993446][ T1712]  <TASK>
[  100.993519][ T1712]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.993654][ T1712]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.993755][ T1712]  __dev_notify_flags (net/core/dev.c:9787)
[  100.993895][ T1712]  ? netif_change_name (net/core/dev.c:1495)
[  100.994034][ T1712]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.994198][ T1712]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.994332][ T1712]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.994463][ T1712]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[  100.994602][ T1712]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  100.994736][ T1712]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.994871][ T1712]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.995008][ T1712]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.995146][ T1712]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.995281][ T1712]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.995414][ T1712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.995549][ T1712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.995680][ T1712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.995811][ T1712]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.995944][ T1712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.996087][ T1712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.996219][ T1712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.996350][ T1712]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.996481][ T1712]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.996614][ T1712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.996747][ T1712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.996885][ T1712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.997021][ T1712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.997153][ T1712]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.997284][ T1712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.997415][ T1712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.997553][ T1712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  100.997685][ T1712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  100.997819][ T1712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.997961][ T1712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.998094][ T1712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.998227][ T1712]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.998361][ T1712]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.998493][ T1712]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.998629][ T1712]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.998761][ T1712]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.998896][ T1712]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.999065][ T1712]  ? move_addr_to_kernel (net/socket.c:258)
[  100.999197][ T1712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.999329][ T1712]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  100.999461][ T1712]  ___sys_sendmsg (net/socket.c:2752)
[  100.999595][ T1712]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[  100.999728][ T1712]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.999863][ T1712]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  101.000007][ T1712]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  101.000140][ T1712]  __sys_sendmsg (net/socket.c:2784)
[  101.000271][ T1712]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.000406][ T1712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.000541][ T1712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.000674][ T1712]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.000805][ T1712]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.000941][ T1712]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.001077][ T1712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.001239][ T1712] RIP: 0033:0x7ff3b481608e
[  101.001376][ T1712] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.001847][ T1712] RSP: 002b:00007ffee6788600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.002057][ T1712] RAX: ffffffffffffffda RBX: 00007ffee6788da8 RCX: 00007ff3b481608e
[  101.002253][ T1712] RDX: 0000000000000000 RSI: 00007ffee67886b0 RDI: 0000000000000005
[  101.002449][ T1712] RBP: 00007ffee6788610 R08: 0000000000000000 R09: 0000000000000000
[  101.002647][ T1712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.002843][ T1712] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee6788d80
| [  101.026685][ T1713] ------------[ cut here ]------------
| [  101.026883][ T1713] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1713
| [  101.027197][ T1713] Modules linked in:
| [  101.027658][ T1713] Tainted: [W]=WARN
[  101.027802][ T1713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.028088][ T1713] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.028306][ T1713] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.028821][ T1713] RSP: 0018:ffa0000004ec7020 EFLAGS: 00010286
[  101.029259][ T1713] RAX: 00000000ffffffa6 RBX: ff1100000b7ae040 RCX: 1ff40000009d8dca
[  101.029498][ T1713] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7ae0fc
[  101.029743][ T1713] RBP: ff11000009762000 R08: 1fe22000016f5c21 R09: ff110000102c5158
[  101.030001][ T1713] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  101.030238][ T1713] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.030481][ T1713] FS:  00007fd014a86840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  101.030756][ T1713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.030984][ T1713] CR2: 000000002b3a8988 CR3: 000000000ff14006 CR4: 0000000000771ef0
[  101.031226][ T1713] PKRU: 55555554
[  101.031369][ T1713] Call Trace:
[  101.031514][ T1713]  <TASK>
[  101.031631][ T1713]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  101.031809][ T1713]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.032010][ T1713]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.032157][ T1713]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.032331][ T1713]  __dev_notify_flags (net/core/dev.c:9787)
[  101.032510][ T1713]  ? netif_change_name (net/core/dev.c:1495)
[  101.032691][ T1713]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.032881][ T1713]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.033065][ T1713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.033242][ T1713]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  101.033420][ T1713]  netif_change_flags (net/core/dev.c:9820)
[  101.033605][ T1713]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.033780][ T1713]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.033981][ T1713]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.034162][ T1713]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.034369][ T1713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.034550][ T1713]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.034726][ T1713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.034912][ T1713]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.035098][ T1713]  ? __kernel_text_address (kernel/extable.c:79)
[  101.035273][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.035451][ T1713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.035631][ T1713]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.035806][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.036000][ T1713]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.036178][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.036352][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.036531][ T1713]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.036707][ T1713]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.036897][ T1713]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.037081][ T1713]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.037257][ T1713]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.037437][ T1713]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.037622][ T1713]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.037799][ T1713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.037986][ T1713]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.038163][ T1713]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.038338][ T1713]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.038517][ T1713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.038697][ T1713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.038883][ T1713]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.039064][ T1713]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.039239][ T1713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.039414][ T1713]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.039599][ T1713]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.039777][ T1713]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.039971][ T1713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.040146][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.040322][ T1713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.040494][ T1713]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.040678][ T1713]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.040854][ T1713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.041055][ T1713]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.041233][ T1713]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.041406][ T1713]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.041590][ T1713]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.041766][ T1713]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.041951][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.042137][ T1713]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.042316][ T1713]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.042492][ T1713]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.042675][ T1713]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.042849][ T1713]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.043043][ T1713]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.043250][ T1713]  ? move_addr_to_kernel (net/socket.c:258)
[  101.043426][ T1713]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.043612][ T1713]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.043789][ T1713]  ___sys_sendmsg (net/socket.c:2752)
[  101.043985][ T1713]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.044191][ T1713]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.044380][ T1713]  __sys_sendmsg (net/socket.c:2784)
[  101.044562][ T1713]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.044735][ T1713]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.044951][ T1713]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.045136][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.045312][ T1713]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.045489][ T1713]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.045668][ T1713]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.045842][ T1713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.046068][ T1713] RIP: 0033:0x7fd014cc008e
[  101.046249][ T1713] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.046754][ T1713] RSP: 002b:00007ffd8d47ac70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.047010][ T1713] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd014cc008e
[  101.047245][ T1713] RDX: 0000000000000000 RSI: 00007ffd8d47ad20 RDI: 0000000000000005
[  101.047482][ T1713] RBP: 00007ffd8d47ac80 R08: 0000000000000000 R09: 0000000000000000
[  101.047726][ T1713] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.047982][ T1713] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8d47b3f0
| [  101.143058][ T1716] ------------[ cut here ]------------
| [  101.143240][ T1716] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1716
| [  101.143549][ T1716] Modules linked in:
| [  101.144103][ T1716] Tainted: [W]=WARN
[  101.144346][ T1716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.144639][ T1716] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.144949][ T1716] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.145564][ T1716] RSP: 0018:ffa0000004ef7020 EFLAGS: 00010286
[  101.145855][ T1716] RAX: 00000000ffffffa6 RBX: ff11000010aba900 RCX: 1ff40000009dedca
[  101.146116][ T1716] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010aba9bc
[  101.146357][ T1716] RBP: ff1100000a83c000 R08: 1fe2200002157539 R09: ff1100000ffd8b58
[  101.146604][ T1716] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  101.146841][ T1716] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.147103][ T1716] FS:  00007f4f62275840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  101.147375][ T1716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.147589][ T1716] CR2: 00000000004eba70 CR3: 000000000ff14005 CR4: 0000000000771ef0
[  101.147829][ T1716] PKRU: 55555554
[  101.147992][ T1716] Call Trace:
[  101.148136][ T1716]  <TASK>
[  101.148254][ T1716]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.148435][ T1716]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.148589][ T1716]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.148764][ T1716]  __dev_notify_flags (net/core/dev.c:9787)
[  101.148951][ T1716]  ? netif_change_name (net/core/dev.c:1495)
[  101.149135][ T1716]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.149313][ T1716]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.149490][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.149675][ T1716]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  101.149853][ T1716]  netif_change_flags (net/core/dev.c:9820)
[  101.150055][ T1716]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.150231][ T1716]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.150409][ T1716]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.150593][ T1716]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.150805][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.151001][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.151179][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.151354][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.151533][ T1716]  ? __kernel_text_address (kernel/extable.c:79)
[  101.151711][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.151908][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.152094][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.152271][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.152448][ T1716]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.152630][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.152807][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.153005][ T1716]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.153186][ T1716]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.153365][ T1716]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.153547][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.153727][ T1716]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.153917][ T1716]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.154104][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.154283][ T1716]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.154462][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.154646][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.154827][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.155024][ T1716]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.155202][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.155382][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.155563][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.155739][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.155930][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.156120][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.156297][ T1716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.156473][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.156655][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.156831][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.157027][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.157205][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.157383][ T1716]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.157568][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.157745][ T1716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.157938][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.158122][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.158302][ T1716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.158479][ T1716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.158660][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.158840][ T1716]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.159043][ T1716]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.159223][ T1716]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.159401][ T1716]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.159585][ T1716]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.159760][ T1716]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.159985][ T1716]  ? move_addr_to_kernel (net/socket.c:258)
[  101.160164][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.160342][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.160524][ T1716]  ___sys_sendmsg (net/socket.c:2752)
[  101.160703][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.160919][ T1716]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.161113][ T1716]  __sys_sendmsg (net/socket.c:2784)
[  101.161289][ T1716]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.161463][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.161685][ T1716]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.161861][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.162061][ T1716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.162236][ T1716]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.162412][ T1716]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.162596][ T1716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.162802][ T1716] RIP: 0033:0x7f4f624af08e
[  101.163008][ T1716] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.163509][ T1716] RSP: 002b:00007ffe5979e5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.163755][ T1716] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f624af08e
[  101.164020][ T1716] RDX: 0000000000000000 RSI: 00007ffe5979e650 RDI: 0000000000000005
[  101.164259][ T1716] RBP: 00007ffe5979e5b0 R08: 0000000000000000 R09: 0000000000000000
[  101.164496][ T1716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.164742][ T1716] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5979ed20
| [  101.168183][ T1716] ------------[ cut here ]------------
| [  101.168313][ T1716] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1716
| [  101.168572][ T1716] Modules linked in:
| [  101.168945][ T1716] Tainted: [W]=WARN
[  101.169052][ T1716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.169216][ T1716] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.169386][ T1716] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.169852][ T1716] RSP: 0018:ffa0000004ef6ee0 EFLAGS: 00010286
[  101.170031][ T1716] RAX: 00000000ffffffa6 RBX: ff11000010abbe00 RCX: 1ff40000009deda2
[  101.170226][ T1716] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abbebc
[  101.170421][ T1716] RBP: ff1100000a83c000 R08: 1fe22000021577d9 R09: ff1100000ffd8b58
[  101.170617][ T1716] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.170812][ T1716] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.171017][ T1716] FS:  00007f4f62275840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  101.171247][ T1716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.171413][ T1716] CR2: 000055dfefe58b88 CR3: 000000000ff14002 CR4: 0000000000771ef0
[  101.171615][ T1716] PKRU: 55555554
[  101.171714][ T1716] Call Trace:
[  101.171813][ T1716]  <TASK>
[  101.171884][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.172022][ T1716]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  101.172155][ T1716]  notifier_call_chain (kernel/notifier.c:85)
[  101.172289][ T1716]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  101.172420][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.172553][ T1716]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  101.172686][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.172821][ T1716]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  101.172964][ T1716]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  101.173096][ T1716]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  101.173227][ T1716]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  101.173359][ T1716]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  101.173491][ T1716]  br_add_if (net/bridge/br_if.c:619)
[  101.173598][ T1716]  do_set_master (net/core/rtnetlink.c:3011)
[  101.173729][ T1716]  ? netif_change_flags (net/core/dev.c:9820)
[  101.173862][ T1716]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.174005][ T1716]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.174139][ T1716]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.174302][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.174433][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.174567][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.174697][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.174828][ T1716]  ? __kernel_text_address (kernel/extable.c:79)
[  101.174971][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.175104][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.175233][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.175366][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.175497][ T1716]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.175631][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.175762][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.175899][ T1716]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.176035][ T1716]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.176167][ T1716]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.176298][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.176431][ T1716]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.176567][ T1716]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.176700][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.176835][ T1716]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.176977][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.177107][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.177239][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.177370][ T1716]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.177502][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.177639][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.177770][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.177906][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.178042][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.178175][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.178307][ T1716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.178438][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.178574][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.178704][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.178837][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.178980][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.179113][ T1716]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.179244][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.179375][ T1716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.179514][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.179652][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.179784][ T1716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.179922][ T1716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.180060][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.180192][ T1716]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.180325][ T1716]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.180459][ T1716]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.180597][ T1716]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.180729][ T1716]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.180860][ T1716]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.181035][ T1716]  ? move_addr_to_kernel (net/socket.c:258)
[  101.181167][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.181298][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.181432][ T1716]  ___sys_sendmsg (net/socket.c:2752)
[  101.181568][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.181731][ T1716]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.181880][ T1716]  __sys_sendmsg (net/socket.c:2784)
[  101.182019][ T1716]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.182150][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.182315][ T1716]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.182447][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.182584][ T1716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.182715][ T1716]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.182846][ T1716]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.182986][ T1716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.183149][ T1716] RIP: 0033:0x7f4f624af08e
[  101.183286][ T1716] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.183756][ T1716] RSP: 002b:00007ffe5979e5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.183964][ T1716] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f624af08e
[  101.184161][ T1716] RDX: 0000000000000000 RSI: 00007ffe5979e650 RDI: 0000000000000005
[  101.184357][ T1716] RBP: 00007ffe5979e5b0 R08: 0000000000000000 R09: 0000000000000000
[  101.184555][ T1716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.184750][ T1716] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5979ed20
| [  101.186417][ T1716] ------------[ cut here ]------------
| [  101.186553][ T1716] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1716
| [  101.186822][ T1716] Modules linked in:
| [  101.187220][ T1716] Tainted: [W]=WARN
[  101.187325][ T1716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.187498][ T1716] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.187679][ T1716] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.188183][ T1716] RSP: 0018:ffa0000004ef6ea0 EFLAGS: 00010286
[  101.188356][ T1716] RAX: 00000000ffffffa6 RBX: ff11000010abac80 RCX: 1ff40000009ded9a
[  101.188565][ T1716] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abad3c
[  101.188771][ T1716] RBP: ff1100000a83c000 R08: 1fe22000021575a9 R09: ff1100000ffd8b58
[  101.188986][ T1716] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[  101.189192][ T1716] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009762dc0
[  101.189398][ T1716] FS:  00007f4f62275840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  101.189642][ T1716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.189814][ T1716] CR2: 000055dfefe58b88 CR3: 000000000ff14002 CR4: 0000000000771ef0
[  101.190034][ T1716] PKRU: 55555554
[  101.190137][ T1716] Call Trace:
[  101.190240][ T1716]  <TASK>
[  101.190312][ T1716]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.190450][ T1716]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.190557][ T1716]  __dev_notify_flags (net/core/dev.c:9787)
[  101.190695][ T1716]  ? netdev_notice (net/core/dev.c:13008)
[  101.190837][ T1716]  ? netif_change_name (net/core/dev.c:1495)
[  101.190985][ T1716]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  101.191158][ T1716]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  101.191298][ T1716]  __dev_set_promiscuity (net/core/dev.c:9630)
[  101.191437][ T1716]  netif_set_promiscuity (net/core/dev.c:9639)
[  101.191579][ T1716]  dev_set_promiscuity (net/core/dev_api.c:288)
[  101.191718][ T1716]  br_port_set_promisc (net/bridge/br_if.c:108)
[  101.191858][ T1716]  br_manage_promisc (net/bridge/br_if.c:174)
[  101.192008][ T1716]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  101.192148][ T1716]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  101.192255][ T1716]  do_set_master (net/core/rtnetlink.c:3011)
[  101.192392][ T1716]  ? netif_change_flags (net/core/dev.c:9820)
[  101.192535][ T1716]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.192674][ T1716]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.192813][ T1716]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.192996][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.193133][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.193271][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.193408][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.193549][ T1716]  ? __kernel_text_address (kernel/extable.c:79)
[  101.193686][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.193827][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.193974][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.194113][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.194251][ T1716]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.194387][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.194526][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.194665][ T1716]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.194803][ T1716]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.194948][ T1716]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.195092][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.195231][ T1716]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.195369][ T1716]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.195511][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.195652][ T1716]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.195791][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.195936][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.196078][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.196215][ T1716]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.196351][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.196492][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.196632][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.196769][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.196911][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.197057][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.197195][ T1716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.197332][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.197472][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.197612][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.197751][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.197893][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.198035][ T1716]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.198173][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.198311][ T1716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.198451][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.198590][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.198729][ T1716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.198872][ T1716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.199016][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.199156][ T1716]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.199293][ T1716]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.199432][ T1716]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.199574][ T1716]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.199711][ T1716]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.199848][ T1716]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.200031][ T1716]  ? move_addr_to_kernel (net/socket.c:258)
[  101.200170][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.200308][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.200446][ T1716]  ___sys_sendmsg (net/socket.c:2752)
[  101.200587][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.200758][ T1716]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.200912][ T1716]  __sys_sendmsg (net/socket.c:2784)
[  101.201058][ T1716]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.201195][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.201368][ T1716]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.201506][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.201647][ T1716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.201784][ T1716]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.201925][ T1716]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.202068][ T1716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.202237][ T1716] RIP: 0033:0x7f4f624af08e
[  101.202379][ T1716] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.202864][ T1716] RSP: 002b:00007ffe5979e5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.203080][ T1716] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f624af08e
[  101.203286][ T1716] RDX: 0000000000000000 RSI: 00007ffe5979e650 RDI: 0000000000000005
[  101.203492][ T1716] RBP: 00007ffe5979e5b0 R08: 0000000000000000 R09: 0000000000000000
[  101.203700][ T1716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.203909][ T1716] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5979ed20
| [  101.205998][ T1716] ------------[ cut here ]------------
| [  101.206126][ T1716] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1716
| [  101.206378][ T1716] Modules linked in:
| [  101.206744][ T1716] Tainted: [W]=WARN
[  101.206842][ T1716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.207017][ T1716] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.207184][ T1716] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.207647][ T1716] RSP: 0018:ffa0000004ef7000 EFLAGS: 00010286
[  101.207809][ T1716] RAX: 00000000ffffffa6 RBX: ff1100000a16ac80 RCX: 1ff40000009dedc6
[  101.208012][ T1716] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16ad3c
[  101.208206][ T1716] RBP: ff11000009762000 R08: 1fe220000142d5a9 R09: ff1100000ffd8b58
[  101.208398][ T1716] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.208595][ T1716] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.208789][ T1716] FS:  00007f4f62275840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  101.209026][ T1716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.209189][ T1716] CR2: 000055dfefe58b88 CR3: 000000000ff14002 CR4: 0000000000771ef0
[  101.209383][ T1716] PKRU: 55555554
[  101.209479][ T1716] Call Trace:
[  101.209578][ T1716]  <TASK>
[  101.209644][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.209773][ T1716]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  101.209907][ T1716]  notifier_call_chain (kernel/notifier.c:85)
[  101.210045][ T1716]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  101.210175][ T1716]  ? __dev_open (./include/net/netdev_lock.h:33)
[  101.210303][ T1716]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[  101.210433][ T1716]  br_add_if (net/bridge/br_if.c:679)
[  101.210538][ T1716]  do_set_master (net/core/rtnetlink.c:3011)
[  101.210667][ T1716]  ? netif_change_flags (net/core/dev.c:9820)
[  101.210797][ T1716]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.210934][ T1716]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.211072][ T1716]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.211234][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.211362][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.211492][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.211625][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.211753][ T1716]  ? __kernel_text_address (kernel/extable.c:79)
[  101.211889][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.212028][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.212157][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.212287][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.212417][ T1716]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.212549][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.212678][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.212807][ T1716]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.212943][ T1716]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.213078][ T1716]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.213207][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.213337][ T1716]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.213465][ T1716]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.213600][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.213732][ T1716]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.213863][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.214002][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.214131][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.214260][ T1716]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.214388][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.214521][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.214649][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.214778][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.214912][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.215046][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.215175][ T1716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.215303][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.215431][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.215563][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.215693][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.215820][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.215968][ T1716]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.216096][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.216229][ T1716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.216361][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.216490][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.216625][ T1716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.216756][ T1716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.216894][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.217030][ T1716]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.217160][ T1716]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.217291][ T1716]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.217423][ T1716]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.217553][ T1716]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.217683][ T1716]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.217844][ T1716]  ? move_addr_to_kernel (net/socket.c:258)
[  101.218073][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.218203][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.218334][ T1716]  ___sys_sendmsg (net/socket.c:2752)
[  101.218464][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.218627][ T1716]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.218769][ T1716]  __sys_sendmsg (net/socket.c:2784)
[  101.218904][ T1716]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.219041][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.219205][ T1716]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.219334][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.219464][ T1716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.219597][ T1716]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.219727][ T1716]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.219857][ T1716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.220032][ T1716] RIP: 0033:0x7f4f624af08e
[  101.220167][ T1716] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.220727][ T1716] RSP: 002b:00007ffe5979e5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.220931][ T1716] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f624af08e
[  101.221130][ T1716] RDX: 0000000000000000 RSI: 00007ffe5979e650 RDI: 0000000000000005
[  101.221324][ T1716] RBP: 00007ffe5979e5b0 R08: 0000000000000000 R09: 0000000000000000
[  101.221519][ T1716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.221713][ T1716] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5979ed20
| [  101.223561][ T1716] ------------[ cut here ]------------
| [  101.223688][ T1716] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1716
| [  101.223949][ T1716] Modules linked in:
| [  101.224314][ T1716] Tainted: [W]=WARN
[  101.224413][ T1716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.224580][ T1716] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.224747][ T1716] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.225222][ T1716] RSP: 0018:ffa0000004ef6f78 EFLAGS: 00010286
[  101.225388][ T1716] RAX: 00000000ffffffa6 RBX: ff1100000ca8dc40 RCX: 1ff40000009dedb5
[  101.225582][ T1716] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8dcfc
[  101.225776][ T1716] RBP: ff11000009762000 R08: 1fe2200001951ba1 R09: ff1100000ffd8b58
[  101.225980][ T1716] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.226172][ T1716] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[  101.226367][ T1716] FS:  00007f4f62275840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  101.226597][ T1716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.226759][ T1716] CR2: 000055dfefe58b88 CR3: 000000000ff14002 CR4: 0000000000771ef0
[  101.226965][ T1716] PKRU: 55555554
[  101.227062][ T1716] Call Trace:
[  101.227159][ T1716]  <TASK>
[  101.227226][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.227355][ T1716]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  101.227487][ T1716]  notifier_call_chain (kernel/notifier.c:85)
[  101.227621][ T1716]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  101.227787][ T1716]  ? netdev_change_features (net/core/dev.c:11117)
[  101.227923][ T1716]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  101.228062][ T1716]  br_add_if (net/bridge/br_if.c:683)
[  101.228164][ T1716]  do_set_master (net/core/rtnetlink.c:3011)
[  101.228294][ T1716]  ? netif_change_flags (net/core/dev.c:9820)
[  101.228426][ T1716]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.228561][ T1716]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.228692][ T1716]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.228857][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.229002][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.229132][ T1716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.229260][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.229392][ T1716]  ? __kernel_text_address (kernel/extable.c:79)
[  101.229612][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.229744][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.229878][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.230015][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.230145][ T1716]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.230274][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.230405][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.230538][ T1716]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.230667][ T1716]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.230795][ T1716]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.230931][ T1716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.231067][ T1716]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.231282][ T1716]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.231414][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.231551][ T1716]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.231682][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.231811][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.231944][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.232077][ T1716]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.232205][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.232337][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.232469][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.232602][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.232732][ T1716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.232864][ T1716]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.233003][ T1716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.233133][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.233263][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.233477][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.233614][ T1716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.233743][ T1716]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.233878][ T1716]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.234013][ T1716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.234143][ T1716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.234276][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.234404][ T1716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.234539][ T1716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.234674][ T1716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.234803][ T1716]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.234940][ T1716]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.235076][ T1716]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.235207][ T1716]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.235338][ T1716]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.235467][ T1716]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.235689][ T1716]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.235848][ T1716]  ? move_addr_to_kernel (net/socket.c:258)
[  101.235991][ T1716]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.236122][ T1716]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.236254][ T1716]  ___sys_sendmsg (net/socket.c:2752)
[  101.236383][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.236548][ T1716]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.236694][ T1716]  __sys_sendmsg (net/socket.c:2784)
[  101.236824][ T1716]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.236963][ T1716]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.237127][ T1716]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.237341][ T1716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.237471][ T1716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.237604][ T1716]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.237734][ T1716]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.237871][ T1716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.238037][ T1716] RIP: 0033:0x7f4f624af08e
[  101.238171][ T1716] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.238636][ T1716] RSP: 002b:00007ffe5979e5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.238832][ T1716] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f624af08e
[  101.239036][ T1716] RDX: 0000000000000000 RSI: 00007ffe5979e650 RDI: 0000000000000005
[  101.239228][ T1716] RBP: 00007ffe5979e5b0 R08: 0000000000000000 R09: 0000000000000000
[  101.239513][ T1716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.239708][ T1716] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5979ed20
| [  101.249277][   T38] ------------[ cut here ]------------
| [  101.249415][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [  101.249663][   T38] Modules linked in:
| [  101.250036][   T38] Tainted: [W]=WARN
[  101.250126][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.250274][   T38] Workqueue: events_unbound linkwatch_event
[  101.250428][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.250584][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.251031][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  101.251181][   T38] RAX: 00000000ffffffa6 RBX: ff1100000fe91000 RCX: 1ff4000000055f02
[  101.251362][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe910bc
[  101.251542][   T38] RBP: ff1100000b6d1000 R08: 1fe2200001fd2219 R09: ff11000001da2ea8
[  101.251718][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  101.251909][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.252108][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  101.252318][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.252466][   T38] CR2: 00007f4f62342574 CR3: 000000000ff14006 CR4: 0000000000771ef0
[  101.252652][   T38] PKRU: 55555554
[  101.252742][   T38] Call Trace:
[  101.252830][   T38]  <TASK>
[  101.252903][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.253027][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.253152][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.253244][   T38]  netif_state_change (net/core/dev.c:1605)
[  101.253364][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.253519][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.253639][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.253760][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.253893][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.254021][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.254141][   T38]  process_one_work (kernel/workqueue.c:3314)
[  101.254263][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.254381][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.254509][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.254633][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.254750][   T38]  kthread (kernel/kthread.c:436)
[  101.254840][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.254999][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.255118][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.255237][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.255391][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.255516][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.255636][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.281581][ T1717] ------------[ cut here ]------------
| [  101.281757][ T1717] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1717
| [  101.282507][ T1717] Modules linked in:
| [  101.282982][ T1717] Tainted: [W]=WARN
[  101.283126][ T1717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.283333][ T1717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.283552][ T1717] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.284070][ T1717] RSP: 0018:ffa0000004f07150 EFLAGS: 00010286
[  101.284277][ T1717] RAX: 00000000ffffffa6 RBX: ff110000105f3a80 RCX: 1ff40000009e0df0
[  101.284515][ T1717] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f3b3c
[  101.284754][ T1717] RBP: ff11000009762000 R08: 1fe22000020be769 R09: ff1100000ffdd158
[  101.285011][ T1717] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  101.285247][ T1717] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf6aa40
[  101.285485][ T1717] FS:  00007ff3e3175840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  101.285759][ T1717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.285984][ T1717] CR2: 00000000004ec908 CR3: 000000000a994001 CR4: 0000000000771ef0
[  101.286223][ T1717] PKRU: 55555554
[  101.286365][ T1717] Call Trace:
[  101.286509][ T1717]  <TASK>
[  101.286627][ T1717]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.286803][ T1717]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.286998][ T1717]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.287145][ T1717]  netif_state_change (net/core/dev.c:1605)
[  101.287320][ T1717]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[  101.287499][ T1717]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.287710][ T1717]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[  101.287898][ T1717]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[  101.288111][ T1717]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[  101.288287][ T1717]  linkwatch_sync_dev (net/core/link_watch.c:295)
[  101.288465][ T1717]  rtnl_getlink (net/core/rtnetlink.c:4273)
[  101.288649][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.288826][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.289022][ T1717]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[  101.289196][ T1717]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.289370][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.289548][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.289741][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.289927][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.290114][ T1717]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.290288][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.290462][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.290648][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.290824][ T1717]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[  101.291013][ T1717]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.291188][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.291364][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.291540][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.291717][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.291901][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.292086][ T1717]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.292261][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.292435][ T1717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.292621][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.292796][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.292989][ T1717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.293166][ T1717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.293340][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.293521][ T1717]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.293700][ T1717]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.293887][ T1717]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.294066][ T1717]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.294242][ T1717]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.294415][ T1717]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.294626][ T1717]  ? move_addr_to_kernel (net/socket.c:258)
[  101.294799][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.294991][ T1717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.295199][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.295374][ T1717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.295589][ T1717]  ___sys_sendmsg (net/socket.c:2752)
[  101.295767][ T1717]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.295951][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.296141][ T1717]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[  101.296313][ T1717]  ? do_getsockname (net/socket.c:2192)
[  101.296489][ T1717]  __sys_sendmsg (net/socket.c:2784)
[  101.296670][ T1717]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.296850][ T1717]  ? __sys_getsockname (net/socket.c:2210)
[  101.297043][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.297218][ T1717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.297391][ T1717]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.297573][ T1717]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.297747][ T1717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.297973][ T1717] RIP: 0033:0x7ff3e33af08e
[  101.298153][ T1717] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.298655][ T1717] RSP: 002b:00007fff2213f860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.298905][ T1717] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3e33af08e
[  101.299151][ T1717] RDX: 0000000000000000 RSI: 00007fff2213f910 RDI: 0000000000000006
[  101.299386][ T1717] RBP: 00007fff2213f870 R08: 0000000000000000 R09: 0000000000000000
[  101.299628][ T1717] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.299862][ T1717] R13: 00007fff2213f9c0 R14: 00007fff22141608 R15: 00000000fffffff5
| [  101.302611][ T1717] ------------[ cut here ]------------
| [  101.302779][ T1717] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1717
| [  101.303098][ T1717] Modules linked in:
| [  101.303555][ T1717] Tainted: [W]=WARN
[  101.303698][ T1717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.303917][ T1717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.304148][ T1717] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.304655][ T1717] RSP: 0018:ffa0000004f07020 EFLAGS: 00010286
[  101.304864][ T1717] RAX: 00000000ffffffa6 RBX: ff1100000a9a6040 RCX: 1ff40000009e0dca
[  101.305120][ T1717] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a60fc
[  101.305361][ T1717] RBP: ff11000010469000 R08: 1fe2200001534c21 R09: ff1100000ffdd158
[  101.305607][ T1717] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  101.305844][ T1717] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.306106][ T1717] FS:  00007ff3e3175840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  101.306375][ T1717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.306592][ T1717] CR2: 00000000004eba78 CR3: 000000000a994001 CR4: 0000000000771ef0
[  101.306831][ T1717] PKRU: 55555554
[  101.306990][ T1717] Call Trace:
[  101.307133][ T1717]  <TASK>
[  101.307247][ T1717]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.307426][ T1717]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.307582][ T1717]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.307758][ T1717]  __dev_notify_flags (net/core/dev.c:9787)
[  101.307949][ T1717]  ? netif_change_name (net/core/dev.c:1495)
[  101.308136][ T1717]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.308313][ T1717]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.308487][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.308669][ T1717]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  101.308847][ T1717]  netif_change_flags (net/core/dev.c:9820)
[  101.309046][ T1717]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.309222][ T1717]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.309399][ T1717]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.309585][ T1717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.309792][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.309987][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.310167][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.310341][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.310519][ T1717]  ? __kernel_text_address (kernel/extable.c:79)
[  101.310698][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.310889][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.311074][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.311252][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.311429][ T1717]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.311613][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.311787][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.312000][ T1717]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.312174][ T1717]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.312348][ T1717]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.312528][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.312706][ T1717]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.312896][ T1717]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.313083][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.313261][ T1717]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.313439][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.313618][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.313793][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.313986][ T1717]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.314162][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.314342][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.314518][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.314696][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.314884][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.315066][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.315241][ T1717]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.315417][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.315602][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.315778][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.315976][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.316150][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.316327][ T1717]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.316501][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.316685][ T1717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.316863][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.317061][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.317239][ T1717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.317415][ T1717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.317598][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.317775][ T1717]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.317973][ T1717]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.318151][ T1717]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.318327][ T1717]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.318506][ T1717]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.318688][ T1717]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.318905][ T1717]  ? move_addr_to_kernel (net/socket.c:258)
[  101.319091][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.319268][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.319445][ T1717]  ___sys_sendmsg (net/socket.c:2752)
[  101.319627][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.319836][ T1717]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.320044][ T1717]  __sys_sendmsg (net/socket.c:2784)
[  101.320220][ T1717]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.320393][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.320611][ T1717]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.320787][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.320985][ T1717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.321164][ T1717]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.321338][ T1717]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.321516][ T1717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.321726][ T1717] RIP: 0033:0x7ff3e33af08e
[  101.321918][ T1717] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.322425][ T1717] RSP: 002b:00007fff22140e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.322675][ T1717] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff3e33af08e
[  101.322926][ T1717] RDX: 0000000000000000 RSI: 00007fff22140f20 RDI: 0000000000000005
[  101.323171][ T1717] RBP: 00007fff22140e80 R08: 0000000000000000 R09: 0000000000000000
[  101.323411][ T1717] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.323654][ T1717] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff221415f0
| [  101.327681][ T1717] ------------[ cut here ]------------
| [  101.327855][ T1717] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1717
| [  101.328184][ T1717] Modules linked in:
| [  101.328647][ T1717] Tainted: [W]=WARN
[  101.328792][ T1717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.329023][ T1717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.329240][ T1717] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.329768][ T1717] RSP: 0018:ffa0000004f06ee0 EFLAGS: 00010286
[  101.329998][ T1717] RAX: 00000000ffffffa6 RBX: ff1100000a9a6200 RCX: 1ff40000009e0da2
[  101.330240][ T1717] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a62bc
[  101.330481][ T1717] RBP: ff11000010469000 R08: 1fe2200001534c59 R09: ff1100000ffdd158
[  101.330726][ T1717] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  101.331055][ T1717] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  101.331379][ T1717] FS:  00007ff3e3175840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  101.331806][ T1717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.332105][ T1717] CR2: 00000000004eba78 CR3: 000000000a994001 CR4: 0000000000771ef0
[  101.332403][ T1717] PKRU: 55555554
[  101.332607][ T1717] Call Trace:
[  101.332804][ T1717]  <TASK>
[  101.332992][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.333228][ T1717]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  101.333465][ T1717]  notifier_call_chain (kernel/notifier.c:85)
[  101.333707][ T1717]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  101.333952][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.334196][ T1717]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  101.334429][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.334673][ T1717]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  101.334920][ T1717]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  101.335162][ T1717]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  101.335394][ T1717]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  101.335637][ T1717]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  101.335883][ T1717]  br_add_if (net/bridge/br_if.c:619)
[  101.336096][ T1717]  do_set_master (net/core/rtnetlink.c:3011)
[  101.336326][ T1717]  ? netif_change_flags (net/core/dev.c:9820)
[  101.336568][ T1717]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.336805][ T1717]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.337058][ T1717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.337325][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.337567][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.337800][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.338049][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.338288][ T1717]  ? __kernel_text_address (kernel/extable.c:79)
[  101.338530][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.338764][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.339014][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.339249][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.339483][ T1717]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.339718][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.339968][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.340204][ T1717]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.340435][ T1717]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.340672][ T1717]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.340918][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.341158][ T1717]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.341387][ T1717]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.341628][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.341863][ T1717]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.342170][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.342400][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.342641][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.342885][ T1717]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.343123][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.343374][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.343639][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.343920][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.344169][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.344413][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.344652][ T1717]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.344898][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.345143][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.345377][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.345617][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.345851][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.346105][ T1717]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.346341][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.346578][ T1717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.346814][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.347066][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.347300][ T1717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.347545][ T1717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.347778][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.348034][ T1717]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.348272][ T1717]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.348511][ T1717]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.348749][ T1717]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.349002][ T1717]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.349235][ T1717]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.349500][ T1717]  ? move_addr_to_kernel (net/socket.c:258)
[  101.349742][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.349995][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.350229][ T1717]  ___sys_sendmsg (net/socket.c:2752)
[  101.350461][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.350733][ T1717]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.350994][ T1717]  __sys_sendmsg (net/socket.c:2784)
[  101.351230][ T1717]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.351461][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.351736][ T1717]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.351989][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.352224][ T1717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.352456][ T1717]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.352697][ T1717]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.352945][ T1717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.353215][ T1717] RIP: 0033:0x7ff3e33af08e
[  101.353455][ T1717] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.354049][ T1717] RSP: 002b:00007fff22140e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.354351][ T1717] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff3e33af08e
[  101.354654][ T1717] RDX: 0000000000000000 RSI: 00007fff22140f20 RDI: 0000000000000005
[  101.354969][ T1717] RBP: 00007fff22140e80 R08: 0000000000000000 R09: 0000000000000000
[  101.355265][ T1717] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.355571][ T1717] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff221415f0
| [  101.358142][ T1717] ------------[ cut here ]------------
| [  101.358278][ T1717] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1717
| [  101.358550][ T1717] Modules linked in:
| [  101.358940][ T1717] Tainted: [W]=WARN
[  101.359049][ T1717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.359221][ T1717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.359396][ T1717] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.359891][ T1717] RSP: 0018:ffa0000004f06ea0 EFLAGS: 00010286
[  101.360069][ T1717] RAX: 00000000ffffffa6 RBX: ff110000127ec040 RCX: 1ff40000009e0d9a
[  101.360275][ T1717] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000127ec0fc
[  101.360478][ T1717] RBP: ff11000010469000 R08: 1fe22000024fd821 R09: ff1100000ffdd158
[  101.360684][ T1717] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[  101.360893][ T1717] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009762dc0
[  101.361106][ T1717] FS:  00007ff3e3175840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  101.361344][ T1717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.361518][ T1717] CR2: 000055dfefe58b88 CR3: 000000000a994003 CR4: 0000000000771ef0
[  101.361724][ T1717] PKRU: 55555554
[  101.361828][ T1717] Call Trace:
[  101.361939][ T1717]  <TASK>
[  101.362016][ T1717]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.362155][ T1717]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.362259][ T1717]  __dev_notify_flags (net/core/dev.c:9787)
[  101.362396][ T1717]  ? netdev_notice (net/core/dev.c:13008)
[  101.362539][ T1717]  ? netif_change_name (net/core/dev.c:1495)
[  101.362676][ T1717]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  101.362847][ T1717]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  101.363000][ T1717]  __dev_set_promiscuity (net/core/dev.c:9630)
[  101.363140][ T1717]  netif_set_promiscuity (net/core/dev.c:9639)
[  101.363278][ T1717]  dev_set_promiscuity (net/core/dev_api.c:288)
[  101.363416][ T1717]  br_port_set_promisc (net/bridge/br_if.c:108)
[  101.363554][ T1717]  br_manage_promisc (net/bridge/br_if.c:174)
[  101.363690][ T1717]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  101.363828][ T1717]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  101.363943][ T1717]  do_set_master (net/core/rtnetlink.c:3011)
[  101.364086][ T1717]  ? netif_change_flags (net/core/dev.c:9820)
[  101.364224][ T1717]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.364363][ T1717]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.364500][ T1717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.364673][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.364809][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.364950][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.365090][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.365228][ T1717]  ? __kernel_text_address (kernel/extable.c:79)
[  101.365364][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.365502][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.365640][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.365778][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.365922][ T1717]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.366063][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.366198][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.366335][ T1717]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.366471][ T1717]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.366610][ T1717]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.366747][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.366890][ T1717]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.367036][ T1717]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.367175][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.367315][ T1717]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.367453][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.367591][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.367728][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.367863][ T1717]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.368011][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.368155][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.368290][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.368427][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.368569][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.368708][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.368844][ T1717]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.368991][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.369129][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.369265][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.369403][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.369543][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.369681][ T1717]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.369818][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.369966][ T1717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.370107][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.370245][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.370383][ T1717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.370522][ T1717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.370659][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.370797][ T1717]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.370941][ T1717]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.371087][ T1717]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.371229][ T1717]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.371366][ T1717]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.371503][ T1717]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.371677][ T1717]  ? move_addr_to_kernel (net/socket.c:258)
[  101.371814][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.371961][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.372100][ T1717]  ___sys_sendmsg (net/socket.c:2752)
[  101.372239][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.372410][ T1717]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.372562][ T1717]  __sys_sendmsg (net/socket.c:2784)
[  101.372701][ T1717]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.372838][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.373021][ T1717]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.373160][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.373299][ T1717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.373435][ T1717]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.373574][ T1717]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.373711][ T1717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.373885][ T1717] RIP: 0033:0x7ff3e33af08e
[  101.374035][ T1717] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.374522][ T1717] RSP: 002b:00007fff22140e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.374730][ T1717] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff3e33af08e
[  101.374939][ T1717] RDX: 0000000000000000 RSI: 00007fff22140f20 RDI: 0000000000000005
[  101.375149][ T1717] RBP: 00007fff22140e80 R08: 0000000000000000 R09: 0000000000000000
[  101.375356][ T1717] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.375563][ T1717] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff221415f0
| [  101.377494][ T1717] ------------[ cut here ]------------
| [  101.377625][ T1717] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1717
| [  101.377879][ T1717] Modules linked in:
| [  101.378246][ T1717] Tainted: [W]=WARN
[  101.378344][ T1717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.378506][ T1717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.378675][ T1717] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.379148][ T1717] RSP: 0018:ffa0000004f07000 EFLAGS: 00010286
[  101.379310][ T1717] RAX: 00000000ffffffa6 RBX: ff110000127ec900 RCX: 1ff40000009e0dc6
[  101.379504][ T1717] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000127ec9bc
[  101.379699][ T1717] RBP: ff11000009762000 R08: 1fe22000024fd939 R09: ff1100000ffdd158
[  101.379896][ T1717] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.380096][ T1717] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.380289][ T1717] FS:  00007ff3e3175840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  101.380519][ T1717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.380681][ T1717] CR2: 000055dfefe58b88 CR3: 000000000a994003 CR4: 0000000000771ef0
[  101.380881][ T1717] PKRU: 55555554
[  101.380984][ T1717] Call Trace:
[  101.381081][ T1717]  <TASK>
[  101.381148][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.381278][ T1717]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  101.381408][ T1717]  notifier_call_chain (kernel/notifier.c:85)
[  101.381544][ T1717]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  101.381675][ T1717]  ? __dev_open (./include/net/netdev_lock.h:33)
[  101.381804][ T1717]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[  101.381946][ T1717]  br_add_if (net/bridge/br_if.c:679)
[  101.382054][ T1717]  do_set_master (net/core/rtnetlink.c:3011)
[  101.382184][ T1717]  ? netif_change_flags (net/core/dev.c:9820)
[  101.382316][ T1717]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.382449][ T1717]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.382582][ T1717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.382745][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.382880][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.383016][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.383146][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.383276][ T1717]  ? __kernel_text_address (kernel/extable.c:79)
[  101.383406][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.383541][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.383671][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.383812][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.383948][ T1717]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.384084][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.384213][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.384342][ T1717]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.384471][ T1717]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.384605][ T1717]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.384735][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.384872][ T1717]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.385005][ T1717]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.385137][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.385269][ T1717]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.385402][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.385535][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.385664][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.385796][ T1717]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.385931][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.386068][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.386197][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.386326][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.386456][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.386589][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.386719][ T1717]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.386849][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.386991][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.387120][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.387250][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.387380][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.387513][ T1717]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.387643][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.387773][ T1717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.387912][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.388047][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.388179][ T1717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.388309][ T1717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.388439][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.388573][ T1717]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.388705][ T1717]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.388836][ T1717]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.388975][ T1717]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.389105][ T1717]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.389234][ T1717]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.389393][ T1717]  ? move_addr_to_kernel (net/socket.c:258)
[  101.389527][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.389656][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.389788][ T1717]  ___sys_sendmsg (net/socket.c:2752)
[  101.389921][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.390089][ T1717]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.390231][ T1717]  __sys_sendmsg (net/socket.c:2784)
[  101.390362][ T1717]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.390491][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.390658][ T1717]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.390789][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.390926][ T1717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.391060][ T1717]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.391189][ T1717]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.391320][ T1717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.391480][ T1717] RIP: 0033:0x7ff3e33af08e
[  101.391618][ T1717] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.392094][ T1717] RSP: 002b:00007fff22140e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.392291][ T1717] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff3e33af08e
[  101.392485][ T1717] RDX: 0000000000000000 RSI: 00007fff22140f20 RDI: 0000000000000005
[  101.392683][ T1717] RBP: 00007fff22140e80 R08: 0000000000000000 R09: 0000000000000000
[  101.392880][ T1717] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.393080][ T1717] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff221415f0
| [  101.394696][ T1717] ------------[ cut here ]------------
| [  101.394823][ T1717] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1717
| [  101.395088][ T1717] Modules linked in:
| [  101.395444][ T1717] Tainted: [W]=WARN
[  101.395543][ T1717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.395705][ T1717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.395876][ T1717] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.396341][ T1717] RSP: 0018:ffa0000004f06f78 EFLAGS: 00010286
[  101.396501][ T1717] RAX: 00000000ffffffa6 RBX: ff110000127ecc80 RCX: 1ff40000009e0db5
[  101.396701][ T1717] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000127ecd3c
[  101.396897][ T1717] RBP: ff11000009762000 R08: 1fe22000024fd9a9 R09: ff1100000ffdd158
[  101.397094][ T1717] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.397285][ T1717] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[  101.397479][ T1717] FS:  00007ff3e3175840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  101.397706][ T1717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.397871][ T1717] CR2: 000055dfefe58b88 CR3: 000000000a994003 CR4: 0000000000771ef0
[  101.398067][ T1717] PKRU: 55555554
[  101.398164][ T1717] Call Trace:
[  101.398261][ T1717]  <TASK>
[  101.398327][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.398455][ T1717]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  101.398584][ T1717]  notifier_call_chain (kernel/notifier.c:85)
[  101.398716][ T1717]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  101.398883][ T1717]  ? netdev_change_features (net/core/dev.c:11117)
[  101.399021][ T1717]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  101.399153][ T1717]  br_add_if (net/bridge/br_if.c:683)
[  101.399254][ T1717]  do_set_master (net/core/rtnetlink.c:3011)
[  101.399381][ T1717]  ? netif_change_flags (net/core/dev.c:9820)
[  101.399515][ T1717]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  101.399646][ T1717]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.399776][ T1717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.399949][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.400083][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.400211][ T1717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.400338][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.400467][ T1717]  ? __kernel_text_address (kernel/extable.c:79)
[  101.400600][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.400730][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.400860][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.401003][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.401132][ T1717]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.401259][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.401387][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.401520][ T1717]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.401650][ T1717]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.401779][ T1717]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.401912][ T1717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.402049][ T1717]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.402177][ T1717]  ? nla_get_range_signed (lib/nlattr.c:270)
[  101.402308][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.402440][ T1717]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.402575][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.402703][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.402832][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.402972][ T1717]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.403101][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.403232][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.403362][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.403490][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.403622][ T1717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.403754][ T1717]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.403887][ T1717]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.404021][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.404149][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.404279][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.404409][ T1717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.404540][ T1717]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.404670][ T1717]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.404800][ T1717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.404936][ T1717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.405077][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.405205][ T1717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.405335][ T1717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.405465][ T1717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.405598][ T1717]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.405728][ T1717]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.405859][ T1717]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.406000][ T1717]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.406130][ T1717]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.406258][ T1717]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.406386][ T1717]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.406548][ T1717]  ? move_addr_to_kernel (net/socket.c:258)
[  101.406678][ T1717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.406810][ T1717]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.406945][ T1717]  ___sys_sendmsg (net/socket.c:2752)
[  101.407080][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.407240][ T1717]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.407381][ T1717]  __sys_sendmsg (net/socket.c:2784)
[  101.407512][ T1717]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.407646][ T1717]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.407810][ T1717]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.407944][ T1717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.408078][ T1717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.408206][ T1717]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.408333][ T1717]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.408461][ T1717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.408625][ T1717] RIP: 0033:0x7ff3e33af08e
[  101.408757][ T1717] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.409223][ T1717] RSP: 002b:00007fff22140e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.409418][ T1717] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff3e33af08e
[  101.409613][ T1717] RDX: 0000000000000000 RSI: 00007fff22140f20 RDI: 0000000000000005
[  101.409805][ T1717] RBP: 00007fff22140e80 R08: 0000000000000000 R09: 0000000000000000
[  101.410004][ T1717] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.410197][ T1717] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff221415f0
| [  101.412523][   T38] ------------[ cut here ]------------
| [  101.412639][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [  101.412880][   T38] Modules linked in:
| [  101.413252][   T38] Tainted: [W]=WARN
[  101.413340][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.413487][   T38] Workqueue: events_unbound linkwatch_event
[  101.413641][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.413793][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.414226][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  101.414373][   T38] RAX: 00000000ffffffa6 RBX: ff110000127edc40 RCX: 1ff4000000055f02
[  101.414548][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000127edcfc
[  101.414722][   T38] RBP: ff11000010469000 R08: 1fe22000024fdba1 R09: ff11000001da2ea8
[  101.414906][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  101.415084][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.415262][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  101.415466][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.415615][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[  101.415793][   T38] PKRU: 55555554
[  101.415921][   T38] Call Trace:
[  101.416013][   T38]  <TASK>
[  101.416079][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.416197][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.416314][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.416404][   T38]  netif_state_change (net/core/dev.c:1605)
[  101.416524][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.416672][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.416788][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.416909][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.417038][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.417159][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.417277][   T38]  process_one_work (kernel/workqueue.c:3314)
[  101.417401][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.417519][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.417643][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.417765][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.417887][   T38]  kthread (kernel/kthread.c:436)
[  101.417981][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.418127][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.418244][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.418362][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.418513][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.418630][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.418747][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.420372][   T38] ------------[ cut here ]------------
| [  101.420488][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [  101.420723][   T38] Modules linked in:
| [  101.421087][   T38] Tainted: [W]=WARN
[  101.421176][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.421324][   T38] Workqueue: events_unbound linkwatch_event
[  101.421474][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.421630][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.422060][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  101.422208][   T38] RAX: 00000000ffffffa6 RBX: ff1100000f1c0580 RCX: 1ff4000000055f02
[  101.422383][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1c063c
[  101.422561][   T38] RBP: ff110000020bc000 R08: 1fe2200001e380c9 R09: ff11000001da2ea8
[  101.422737][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  101.422928][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.423109][   T38] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  101.423312][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.423457][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29001 CR4: 0000000000771ef0
[  101.423634][   T38] PKRU: 55555554
[  101.423726][   T38] Call Trace:
[  101.423812][   T38]  <TASK>
[  101.423879][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.424000][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.424116][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.424209][   T38]  netif_state_change (net/core/dev.c:1605)
[  101.424326][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.424473][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.424594][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.424711][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.424830][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.424952][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.425074][   T38]  process_one_work (kernel/workqueue.c:3314)
[  101.425194][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.425310][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.425431][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.425553][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.425670][   T38]  kthread (kernel/kthread.c:436)
[  101.425758][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.425907][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.426028][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.426146][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.426293][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.426410][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.426531][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.427888][   T38] ------------[ cut here ]------------
| [  101.428023][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [  101.428259][   T38] Modules linked in:
| [  101.428619][   T38] Tainted: [W]=WARN
[  101.428712][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.428858][   T38] Workqueue: events_unbound linkwatch_event
[  101.429024][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.429176][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.429609][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  101.429757][   T38] RAX: 00000000ffffffa6 RBX: ff1100000f1c0900 RCX: 1ff4000000055f02
[  101.429947][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1c09bc
[  101.430126][   T38] RBP: ff11000009762000 R08: 1fe2200001e38139 R09: ff11000001da2ea8
[  101.430304][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  101.430478][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.430657][   T38] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  101.430860][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.431018][   T38] CR2: 00007f7363fd6574 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[  101.431192][   T38] PKRU: 55555554
[  101.431280][   T38] Call Trace:
[  101.431368][   T38]  <TASK>
[  101.431430][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.431549][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.431666][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.431756][   T38]  netif_state_change (net/core/dev.c:1605)
[  101.431880][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.432038][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.432155][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.432274][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.432393][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.432513][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.432631][   T38]  process_one_work (kernel/workqueue.c:3314)
[  101.432749][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.432872][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.432999][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.433123][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.433239][   T38]  kthread (kernel/kthread.c:436)
[  101.433326][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.433470][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.433590][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.433712][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.433856][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.433983][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.434099][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.617939][ T1724] ------------[ cut here ]------------
| [  101.618134][ T1724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1724
| [  101.618446][ T1724] Modules linked in:
| [  101.618932][ T1724] Tainted: [W]=WARN
[  101.619087][ T1724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.619300][ T1724] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.619527][ T1724] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.620063][ T1724] RSP: 0018:ffa0000004f671b0 EFLAGS: 00010286
[  101.620278][ T1724] RAX: 00000000ffffffa6 RBX: ff1100000efa0e40 RCX: 1ff40000009ecdfc
[  101.620527][ T1724] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa0efc
[  101.620771][ T1724] RBP: ff11000010444000 R08: 1fe2200001df41e1 R09: ff110000104b2e80
[  101.621035][ T1724] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  101.621278][ T1724] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[  101.621530][ T1724] FS:  00007f25d0dfe840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  101.621808][ T1724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.622044][ T1724] CR2: 00000000004a2860 CR3: 000000000d6f1002 CR4: 0000000000771ef0
[  101.622290][ T1724] PKRU: 55555554
[  101.622434][ T1724] Call Trace:
[  101.622588][ T1724]  <TASK>
[  101.622706][ T1724]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.622902][ T1724]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.623063][ T1724]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[  101.623244][ T1724]  __dev_notify_flags (net/core/dev.c:9787)
[  101.623426][ T1724]  ? netif_change_name (net/core/dev.c:1495)
[  101.623613][ T1724]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[  101.623795][ T1724]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[  101.624001][ T1724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.624184][ T1724]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[  101.624366][ T1724]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  101.624553][ T1724]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  101.624734][ T1724]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[  101.624925][ T1724]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  101.625112][ T1724]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  101.625294][ T1724]  ? __dev_get_by_name (net/core/dev.c:883)
[  101.625472][ T1724]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  101.625667][ T1724]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  101.625851][ T1724]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.626049][ T1724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.626227][ T1724]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.626410][ T1724]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.626595][ T1724]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.626774][ T1724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.626981][ T1724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.627162][ T1724]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.627342][ T1724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.627524][ T1724]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.627707][ T1724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.627898][ T1724]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.628087][ T1724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.628268][ T1724]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.628451][ T1724]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.628639][ T1724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.628822][ T1724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.629029][ T1724]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.629208][ T1724]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.629391][ T1724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.629581][ T1724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.629763][ T1724]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.629953][ T1724]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.630146][ T1724]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.630326][ T1724]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.630508][ T1724]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.630694][ T1724]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.630885][ T1724]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.631102][ T1724]  ? move_addr_to_kernel (net/socket.c:258)
[  101.631290][ T1724]  ___sys_sendmsg (net/socket.c:2752)
[  101.631470][ T1724]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.631661][ T1724]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.631890][ T1724]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[  101.632083][ T1724]  __sys_sendmsg (net/socket.c:2784)
[  101.632265][ T1724]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.632452][ T1724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.632644][ T1724]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.632825][ T1724]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.633026][ T1724]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.633208][ T1724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.633419][ T1724] RIP: 0033:0x7f25d103808e
[  101.633617][ T1724] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.634155][ T1724] RSP: 002b:00007ffde81b5e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.634400][ T1724] RAX: ffffffffffffffda RBX: 00007ffde81b6628 RCX: 00007f25d103808e
[  101.634654][ T1724] RDX: 0000000000000000 RSI: 00007ffde81b5f30 RDI: 0000000000000005
[  101.634910][ T1724] RBP: 00007ffde81b5e90 R08: 0000000000000000 R09: 0000000000000000
[  101.635163][ T1724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.635405][ T1724] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde81b6600
| [  101.674264][ T1725] ------------[ cut here ]------------
| [  101.674409][ T1725] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1725
| [  101.674671][ T1725] Modules linked in:
| [  101.675572][ T1725] Tainted: [W]=WARN
[  101.675670][ T1725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.675832][ T1725] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.676107][ T1725] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.676631][ T1725] RSP: 0018:ffa0000004f77020 EFLAGS: 00010286
[  101.676798][ T1725] RAX: 00000000ffffffa6 RBX: ff1100000efa1540 RCX: 1ff40000009eedca
[  101.677001][ T1725] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa15fc
[  101.677191][ T1725] RBP: ff11000010444000 R08: 1fe2200001df42c1 R09: ff1100000f0bae58
[  101.677382][ T1725] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  101.677576][ T1725] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.677769][ T1725] FS:  00007fba414b4840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  101.678005][ T1725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.678168][ T1725] CR2: 0000000037d7c988 CR3: 000000000a994004 CR4: 0000000000771ef0
[  101.678361][ T1725] PKRU: 55555554
[  101.678458][ T1725] Call Trace:
[  101.678558][ T1725]  <TASK>
[  101.678624][ T1725]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.678756][ T1725]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.678854][ T1725]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.678994][ T1725]  __dev_notify_flags (net/core/dev.c:9787)
[  101.679125][ T1725]  ? netif_change_name (net/core/dev.c:1495)
[  101.679254][ T1725]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.679384][ T1725]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.679517][ T1725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.679647][ T1725]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  101.679778][ T1725]  netif_change_flags (net/core/dev.c:9820)
[  101.679913][ T1725]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.680048][ T1725]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.680181][ T1725]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.680314][ T1725]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.680476][ T1725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.680610][ T1725]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.680739][ T1725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.680871][ T1725]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.681008][ T1725]  ? __kernel_text_address (kernel/extable.c:79)
[  101.681139][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.681272][ T1725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.681400][ T1725]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.681534][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.681664][ T1725]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.681793][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.681929][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.682067][ T1725]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.682200][ T1725]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.682331][ T1725]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.682460][ T1725]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.682597][ T1725]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.682730][ T1725]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.682871][ T1725]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.683007][ T1725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.683136][ T1725]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.683267][ T1725]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.683396][ T1725]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.683529][ T1725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.683661][ T1725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.683790][ T1725]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.683927][ T1725]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.684064][ T1725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.684196][ T1725]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.684329][ T1725]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.684460][ T1725]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.684595][ T1725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.684726][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.684858][ T1725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.685002][ T1725]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.685133][ T1725]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.685264][ T1725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.685396][ T1725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.685534][ T1725]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.685664][ T1725]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.685795][ T1725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.685932][ T1725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.686067][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.686199][ T1725]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.686334][ T1725]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.686466][ T1725]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.686603][ T1725]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.686732][ T1725]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.686862][ T1725]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.687036][ T1725]  ? move_addr_to_kernel (net/socket.c:258)
[  101.687168][ T1725]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.687301][ T1725]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.687433][ T1725]  ___sys_sendmsg (net/socket.c:2752)
[  101.687566][ T1725]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.687728][ T1725]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.687874][ T1725]  __sys_sendmsg (net/socket.c:2784)
[  101.688008][ T1725]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.688138][ T1725]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.688303][ T1725]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.688434][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.688568][ T1725]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.688698][ T1725]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.688827][ T1725]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.688968][ T1725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.689129][ T1725] RIP: 0033:0x7fba416ee08e
[  101.689265][ T1725] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.689733][ T1725] RSP: 002b:00007fff4f695d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.689935][ T1725] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fba416ee08e
[  101.690132][ T1725] RDX: 0000000000000000 RSI: 00007fff4f695e20 RDI: 0000000000000005
[  101.690326][ T1725] RBP: 00007fff4f695d80 R08: 0000000000000000 R09: 0000000000000000
[  101.690521][ T1725] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd51
[  101.690713][ T1725] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4f6964f0
| [  101.776700][ T1028] ------------[ cut here ]------------
| [  101.776817][ T1028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/1028
| [  101.777681][ T1028] Modules linked in:
| [  101.778123][ T1028] Tainted: [W]=WARN
[  101.778212][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.778358][ T1028] Workqueue: events_unbound linkwatch_event
[  101.778516][ T1028] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.778668][ T1028] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.779166][ T1028] RSP: 0018:ffa0000002ff79e0 EFLAGS: 00010286
[  101.779314][ T1028] RAX: 00000000ffffffa6 RBX: ff1100000f1b63c0 RCX: 1ff40000005fef02
[  101.779492][ T1028] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b647c
[  101.779670][ T1028] RBP: ff1100000a83c000 R08: 1fe2200001e36c91 R09: ff11000009438ba8
[  101.779846][ T1028] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  101.780102][ T1028] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.780357][ T1028] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  101.780568][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.780716][ T1028] CR2: 000055dfefec8668 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  101.780974][ T1028] PKRU: 55555554
[  101.781065][ T1028] Call Trace:
[  101.781155][ T1028]  <TASK>
[  101.781221][ T1028]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.781341][ T1028]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.781461][ T1028]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.781554][ T1028]  netif_state_change (net/core/dev.c:1605)
[  101.781674][ T1028]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.781823][ T1028]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.782107][ T1028]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.782228][ T1028]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.782352][ T1028]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.782469][ T1028]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.782592][ T1028]  process_one_work (kernel/workqueue.c:3314)
[  101.782714][ T1028]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.782833][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.783055][ T1028]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.783173][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.783291][ T1028]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  101.783411][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.783532][ T1028]  kthread (kernel/kthread.c:436)
[  101.783622][ T1028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.783768][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.783982][ T1028]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.784103][ T1028]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.784252][ T1028]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.784370][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.784489][ T1028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.830861][ T1730] ------------[ cut here ]------------
| [  101.831054][ T1730] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1730
| [  101.831360][ T1730] Modules linked in:
| [  101.831829][ T1730] Tainted: [W]=WARN
[  101.831994][ T1730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.832208][ T1730] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.832425][ T1730] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.832968][ T1730] RSP: 0018:ffa0000004cd71b0 EFLAGS: 00010286
[  101.833182][ T1730] RAX: 00000000ffffffa6 RBX: ff1100000b962200 RCX: 1ff400000099adfc
[  101.833424][ T1730] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9622bc
[  101.833677][ T1730] RBP: ff1100000f164000 R08: 1fe220000172c459 R09: ff1100001088d180
[  101.833933][ T1730] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  101.834188][ T1730] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[  101.834432][ T1730] FS:  00007fd7ecf2a840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  101.834717][ T1730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.834945][ T1730] CR2: 00000000004a2860 CR3: 000000000a994002 CR4: 0000000000771ef0
[  101.835199][ T1730] PKRU: 55555554
[  101.835344][ T1730] Call Trace:
[  101.835489][ T1730]  <TASK>
[  101.835610][ T1730]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.835791][ T1730]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.835951][ T1730]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.836139][ T1730]  __dev_notify_flags (net/core/dev.c:9787)
[  101.836323][ T1730]  ? netif_change_name (net/core/dev.c:1495)
[  101.836502][ T1730]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.836687][ T1730]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.836881][ T1730]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.837069][ T1730]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.837250][ T1730]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  101.837431][ T1730]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  101.837622][ T1730]  ? vrf_newlink (drivers/net/vrf.c:1678)
[  101.837802][ T1730]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  101.838004][ T1730]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  101.838184][ T1730]  ? __dev_get_by_name (net/core/dev.c:883)
[  101.838363][ T1730]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  101.838554][ T1730]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  101.838738][ T1730]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.838932][ T1730]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.839121][ T1730]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.839301][ T1730]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.839479][ T1730]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.839663][ T1730]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.839848][ T1730]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.840049][ T1730]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.840229][ T1730]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.840411][ T1730]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.840597][ T1730]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.840777][ T1730]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.840981][ T1730]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.841160][ T1730]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.841339][ T1730]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.841520][ T1730]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.841703][ T1730]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.841900][ T1730]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.842085][ T1730]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.842267][ T1730]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.842448][ T1730]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.842633][ T1730]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.842813][ T1730]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.843015][ T1730]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.843199][ T1730]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.843379][ T1730]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.843564][ T1730]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.843744][ T1730]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.843974][ T1730]  ? move_addr_to_kernel (net/socket.c:258)
[  101.844158][ T1730]  ___sys_sendmsg (net/socket.c:2752)
[  101.844336][ T1730]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.844527][ T1730]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.844742][ T1730]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[  101.844936][ T1730]  __sys_sendmsg (net/socket.c:2784)
[  101.845122][ T1730]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.845305][ T1730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.845485][ T1730]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.845668][ T1730]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.845845][ T1730]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.846048][ T1730]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.846257][ T1730] RIP: 0033:0x7fd7ed16408e
[  101.846441][ T1730] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.846977][ T1730] RSP: 002b:00007fff2fa390d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.847226][ T1730] RAX: ffffffffffffffda RBX: 00007fff2fa39878 RCX: 00007fd7ed16408e
[  101.847467][ T1730] RDX: 0000000000000000 RSI: 00007fff2fa39180 RDI: 0000000000000005
[  101.847716][ T1730] RBP: 00007fff2fa390e0 R08: 0000000000000000 R09: 0000000000000000
[  101.847978][ T1730] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd52
[  101.848224][ T1730] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2fa39850
| [  101.878234][ T1731] ------------[ cut here ]------------
| [  101.878379][ T1731] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1731
| [  101.878638][ T1731] Modules linked in:
| [  101.879012][ T1731] Tainted: [W]=WARN
[  101.879111][ T1731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.879273][ T1731] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.879440][ T1731] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  101.879908][ T1731] RSP: 0018:ffa0000004cd7020 EFLAGS: 00010286
[  101.880077][ T1731] RAX: 00000000ffffffa6 RBX: ff1100000d6d7700 RCX: 1ff400000099adca
[  101.880268][ T1731] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d77bc
[  101.880458][ T1731] RBP: ff1100000f164000 R08: 1fe2200001adaef9 R09: ff1100001028d158
[  101.880651][ T1731] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  101.880841][ T1731] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.881049][ T1731] FS:  00007f7952d55840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  101.881273][ T1731] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.881433][ T1731] CR2: 0000000026e90988 CR3: 0000000009944001 CR4: 0000000000771ef0
[  101.881630][ T1731] PKRU: 55555554
[  101.881726][ T1731] Call Trace:
[  101.881822][ T1731]  <TASK>
[  101.881895][ T1731]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.882033][ T1731]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.882132][ T1731]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.882263][ T1731]  __dev_notify_flags (net/core/dev.c:9787)
[  101.882394][ T1731]  ? netif_change_name (net/core/dev.c:1495)
[  101.882523][ T1731]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.882652][ T1731]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.882781][ T1731]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.882914][ T1731]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  101.883052][ T1731]  netif_change_flags (net/core/dev.c:9820)
[  101.883184][ T1731]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.883312][ T1731]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.883443][ T1731]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.883576][ T1731]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.883737][ T1731]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.883864][ T1731]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.884005][ T1731]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.884132][ T1731]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.884261][ T1731]  ? __kernel_text_address (kernel/extable.c:79)
[  101.884389][ T1731]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.884521][ T1731]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.884648][ T1731]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.884777][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.885513][ T1731]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.885642][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.885769][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.885971][ T1731]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.886101][ T1731]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  101.886230][ T1731]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.886358][ T1731]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.886486][ T1731]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.886621][ T1731]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.886752][ T1731]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.886932][ T1731]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.887066][ T1731]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.887194][ T1731]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.887324][ T1731]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.887451][ T1731]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.887583][ T1731]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.887717][ T1731]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.887846][ T1731]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.887984][ T1731]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.888113][ T1731]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.888241][ T1731]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.888369][ T1731]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.888496][ T1731]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.888627][ T1731]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.888758][ T1731]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.888891][ T1731]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.889027][ T1731]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.889154][ T1731]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.889282][ T1731]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.889415][ T1731]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.889546][ T1731]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.889678][ T1731]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.889808][ T1731]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.889944][ T1731]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.890078][ T1731]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.890208][ T1731]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.890336][ T1731]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.890465][ T1731]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.890598][ T1731]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.890729][ T1731]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.890893][ T1731]  ? move_addr_to_kernel (net/socket.c:258)
[  101.891028][ T1731]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.891157][ T1731]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.891286][ T1731]  ___sys_sendmsg (net/socket.c:2752)
[  101.891412][ T1731]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.891575][ T1731]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.891716][ T1731]  __sys_sendmsg (net/socket.c:2784)
[  101.891844][ T1731]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.891983][ T1731]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.892146][ T1731]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.892274][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.892406][ T1731]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.892538][ T1731]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.892668][ T1731]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.892797][ T1731]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.892968][ T1731] RIP: 0033:0x7f7952f8f08e
[  101.893104][ T1731] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.893566][ T1731] RSP: 002b:00007ffee6f3f5c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.893759][ T1731] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7952f8f08e
[  101.893961][ T1731] RDX: 0000000000000000 RSI: 00007ffee6f3f670 RDI: 0000000000000005
[  101.894154][ T1731] RBP: 00007ffee6f3f5d0 R08: 0000000000000000 R09: 0000000000000000
[  101.894346][ T1731] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd52
[  101.894543][ T1731] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee6f3fd40
| [  102.032283][ T1736] ------------[ cut here ]------------
| [  102.032431][ T1736] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1736
| [  102.032695][ T1736] Modules linked in:
| [  102.033072][ T1736] Tainted: [W]=WARN
[  102.033170][ T1736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.033331][ T1736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.033497][ T1736] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  102.033964][ T1736] RSP: 0018:ffa0000004fc7060 EFLAGS: 00010286
[  102.034129][ T1736] RAX: 00000000ffffffa6 RBX: ff11000008dc7000 RCX: 1ff40000009f8dd2
[  102.034321][ T1736] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc70bc
[  102.034514][ T1736] RBP: ff1100000b6d1000 R08: 1fe22000011b8e19 R09: ff11000010888b58
[  102.034702][ T1736] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  102.034897][ T1736] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  102.035095][ T1736] FS:  00007fdbc6251840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  102.035319][ T1736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.035479][ T1736] CR2: 00007fdbc65211a0 CR3: 0000000012dd4001 CR4: 0000000000771ef0
[  102.035674][ T1736] PKRU: 55555554
[  102.035769][ T1736] Call Trace:
[  102.035865][ T1736]  <TASK>
[  102.035937][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.036070][ T1736]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  102.036199][ T1736]  notifier_call_chain (kernel/notifier.c:85)
[  102.036329][ T1736]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[  102.036458][ T1736]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[  102.036587][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.036715][ T1736]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  102.036844][ T1736]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[  102.036986][ T1736]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[  102.037117][ T1736]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  102.037245][ T1736]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  102.037402][ T1736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.037531][ T1736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.037657][ T1736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.037782][ T1736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.037917][ T1736]  ? __kernel_text_address (kernel/extable.c:79)
[  102.038054][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.038183][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.038310][ T1736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.038437][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.038568][ T1736]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  102.038695][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.038822][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.039013][ T1736]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  102.039143][ T1736]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  102.039271][ T1736]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  102.039398][ T1736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.039531][ T1736]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.039658][ T1736]  ? nla_get_range_signed (lib/nlattr.c:270)
[  102.039788][ T1736]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  102.039986][ T1736]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.040119][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.040246][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.040374][ T1736]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.040500][ T1736]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.040630][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.040760][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.040977][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.041180][ T1736]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.041309][ T1736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.041438][ T1736]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.041569][ T1736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.041696][ T1736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.041824][ T1736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.042038][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.042168][ T1736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.042297][ T1736]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.042423][ T1736]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.042551][ T1736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.042678][ T1736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.042808][ T1736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  102.043013][ T1736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  102.043144][ T1736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.043272][ T1736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.043401][ T1736]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.043535][ T1736]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.043663][ T1736]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.043791][ T1736]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.043955][ T1736]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.044089][ T1736]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.044217][ T1736]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.044376][ T1736]  ? move_addr_to_kernel (net/socket.c:258)
[  102.044507][ T1736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.044636][ T1736]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.044765][ T1736]  ___sys_sendmsg (net/socket.c:2752)
[  102.044897][ T1736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  102.045060][ T1736]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.045198][ T1736]  __sys_sendmsg (net/socket.c:2784)
[  102.045327][ T1736]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.045452][ T1736]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  102.045615][ T1736]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.045741][ T1736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.045873][ T1736]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.046002][ T1736]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.046129][ T1736]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.046256][ T1736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.046415][ T1736] RIP: 0033:0x7fdbc648b08e
[  102.046553][ T1736] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  102.047014][ T1736] RSP: 002b:00007fff03275ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.047206][ T1736] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdbc648b08e
[  102.047396][ T1736] RDX: 0000000000000000 RSI: 00007fff03275b60 RDI: 0000000000000005
[  102.047589][ T1736] RBP: 00007fff03275ac0 R08: 0000000000000000 R09: 0000000000000000
[  102.047778][ T1736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd52
[  102.047991][ T1736] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff03276230
| [  103.769736][   T12] ------------[ cut here ]------------
| [  103.769923][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.770235][   T12] Modules linked in:
| [  103.770739][   T12] Tainted: [W]=WARN
[  103.771143][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.771353][   T12] Workqueue: netns cleanup_net
[  103.771557][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.771775][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.772306][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  103.772520][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4ba80 RCX: 1ff4000000018ebc
[  103.772764][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4bb3c
[  103.773024][   T12] RBP: ff1100000a3bc000 R08: 1fe2200001f89769 R09: ff11000001aed1d0
[  103.773267][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  103.773541][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.773787][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.774084][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.774296][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.774543][   T12] PKRU: 55555554
[  103.774689][   T12] Call Trace:
[  103.774836][   T12]  <TASK>
[  103.774961][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.775152][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.775301][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  103.775479][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  103.775664][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  103.776041][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  103.776234][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.776416][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  103.776604][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.776784][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  103.776984][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  103.777165][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  103.777345][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  103.777530][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  103.777711][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  103.777858][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  103.778061][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  103.778246][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  103.778424][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  103.778613][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  103.778793][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.778989][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.779167][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.779347][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.779532][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.779713][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.779901][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.780094][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.780290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.780470][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.780673][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.780853][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.781059][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.781245][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.781421][   T12]  kthread (kernel/kthread.c:436)
[  103.781583][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.781795][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.781991][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.782173][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.782382][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.782569][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.782747][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.786362][   T12] ------------[ cut here ]------------
| [  103.786539][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.786841][   T12] Modules linked in:
| [  103.787424][   T12] Tainted: [W]=WARN
[  103.787574][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.787780][   T12] Workqueue: netns cleanup_net
[  103.787979][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.788192][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.788894][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  103.789105][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e441700 RCX: 1ff4000000018ec0
[  103.789421][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4417bc
[  103.789667][   T12] RBP: ff1100000a3bc000 R08: 1fe2200001c882f9 R09: ff11000001aed1d0
[  103.789918][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  103.790166][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  103.790488][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.790764][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.791057][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.791364][   T12] PKRU: 55555554
[  103.791564][   T12] Call Trace:
[  103.791757][   T12]  <TASK>
[  103.791934][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.792173][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  103.792474][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  103.792777][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  103.793027][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  103.793327][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.793562][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.793788][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  103.794037][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  103.794292][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[  103.794526][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.794754][   T12]  del_nbp (net/bridge/br_if.c:363)
[  103.794973][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  103.795200][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  103.795428][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  103.795666][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.795908][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.796143][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.796370][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.796606][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.796832][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.797072][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.797301][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.797565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.797823][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.798072][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.798302][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.798542][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.798773][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.799021][   T12]  kthread (kernel/kthread.c:436)
[  103.799215][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.799472][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.799708][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.799949][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.800216][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.800442][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.800674][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.803437][   T12] ------------[ cut here ]------------
| [  103.803697][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.804178][   T12] Modules linked in:
| [  103.804671][   T12] Tainted: [W]=WARN
[  103.804825][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.805051][   T12] Workqueue: netns cleanup_net
[  103.805234][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.805450][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.805985][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  103.806198][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04be00 RCX: 1ff4000000018ebc
[  103.806438][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04bebc
[  103.806686][   T12] RBP: ff110000126d1000 R08: 1fe22000018097d9 R09: ff11000001aed1d0
[  103.806941][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  103.807192][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.807432][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.807728][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.807951][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.808202][   T12] PKRU: 55555554
[  103.808346][   T12] Call Trace:
[  103.808489][   T12]  <TASK>
[  103.808609][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.808888][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.809049][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  103.809227][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  103.809407][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  103.809680][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  103.809861][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.810062][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  103.810244][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.810513][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  103.810695][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  103.810892][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  103.811078][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  103.811340][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  103.811523][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  103.811670][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.811845][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  103.812166][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  103.812349][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  103.812532][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  103.812715][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.813001][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.813180][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.813360][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.813543][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.813724][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.813912][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.814100][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.814277][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.814547][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.814730][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.814919][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.815112][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.815380][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.815564][   T12]  kthread (kernel/kthread.c:436)
[  103.815709][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.815934][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.816205][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.816387][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.816608][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.816787][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.817076][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.820123][   T12] ------------[ cut here ]------------
| [  103.820294][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.820679][   T12] Modules linked in:
| [  103.821710][   T12] Tainted: [W]=WARN
[  103.821918][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.822195][   T12] Workqueue: netns cleanup_net
[  103.822429][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.822705][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.823276][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  103.823542][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16b000 RCX: 1ff4000000018ec0
[  103.823828][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16b0bc
[  103.824136][   T12] RBP: ff110000126d1000 R08: 1fe220000142d619 R09: ff11000001aed1d0
[  103.824422][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  103.824715][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  103.825028][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.825351][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.825614][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.825917][   T12] PKRU: 55555554
[  103.826120][   T12] Call Trace:
[  103.826314][   T12]  <TASK>
[  103.826476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.826705][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  103.826944][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  103.827182][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  103.827409][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  103.827680][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[  103.827919][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.828164][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  103.828431][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  103.828747][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[  103.829007][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.829185][   T12]  del_nbp (net/bridge/br_if.c:363)
[  103.829333][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  103.829513][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  103.829695][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  103.829885][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.830101][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.830279][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.830455][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.830642][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.830848][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.831048][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.831229][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.831403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.831590][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.831772][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.831960][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.832181][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.832361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.832541][   T12]  kthread (kernel/kthread.c:436)
[  103.832687][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.832995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.833174][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.833349][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.833563][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.833771][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.833960][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.837417][   T12] ------------[ cut here ]------------
| [  103.837590][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.838411][   T12] Modules linked in:
| [  103.839005][   T12] Tainted: [W]=WARN
[  103.839194][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.839451][   T12] Workqueue: netns cleanup_net
[  103.839681][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.839953][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.840680][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  103.840941][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a16ba80 RCX: 1ff4000000018ec7
[  103.841229][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bb3c
[  103.841508][   T12] RBP: ff1100000d2aa000 R08: 1fe220000142d769 R09: ff11000001aed1d0
[  103.841787][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  103.842087][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[  103.842363][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.842681][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.842939][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.843222][   T12] PKRU: 55555554
[  103.843406][   T12] Call Trace:
[  103.843596][   T12]  <TASK>
[  103.843754][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.843998][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.844188][   T12]  netif_close_many (net/core/dev.c:1804)
[  103.844406][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  103.844632][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  103.844895][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  103.845148][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.845366][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.845708][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  103.845931][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  103.846180][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  103.846428][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.846606][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  103.846781][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  103.846975][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.847175][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.847348][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.847522][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.847698][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.847885][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.848063][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.848234][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.848404][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.848584][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.848759][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.848941][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.849126][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.849301][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.849471][   T12]  kthread (kernel/kthread.c:436)
[  103.849617][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.849816][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.850008][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.850180][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.850380][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.850555][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.850726][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.855237][   T12] ------------[ cut here ]------------
| [  103.855400][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.855687][   T12] Modules linked in:
| [  103.856632][   T12] Tainted: [W]=WARN
[  103.856817][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.857077][   T12] Workqueue: netns cleanup_net
[  103.857291][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.857549][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.858080][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  103.858321][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee51c40 RCX: 1ff4000000018eed
[  103.858595][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51cfc
[  103.858863][   T12] RBP: ff11000007859000 R08: 1fe2200001dca3a1 R09: ff11000001aed1d0
[  103.859193][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  103.859456][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.859733][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.860052][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.860291][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.860565][   T12] PKRU: 55555554
[  103.860742][   T12] Call Trace:
[  103.860933][   T12]  <TASK>
[  103.861091][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  103.861337][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.861577][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  103.861786][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  103.862017][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.862227][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  103.862441][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  103.862710][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.862985][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.863239][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.863573][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.863829][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.864119][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.864388][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.864568][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.864741][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.864931][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.865116][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.865289][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.865468][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.865655][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.865826][   T12]  kthread (kernel/kthread.c:436)
[  103.865987][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.866188][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.866362][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.866537][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.866744][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.866931][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.867109][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.890551][   T12] ------------[ cut here ]------------
| [  103.890719][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.891129][   T12] Modules linked in:
| [  103.891586][   T12] Tainted: [W]=WARN
[  103.891722][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.891929][   T12] Workqueue: netns cleanup_net
[  103.892103][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.892302][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.892773][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  103.892988][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9c40 RCX: 1ff4000000018eed
[  103.893212][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9cfc
[  103.893432][   T12] RBP: ff1100001275c000 R08: 1fe22000021373a1 R09: ff11000001aed1d0
[  103.893661][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  103.893894][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.894128][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.894380][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.894581][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.894804][   T12] PKRU: 55555554
[  103.894952][   T12] Call Trace:
[  103.895093][   T12]  <TASK>
[  103.895203][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  103.895400][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.895599][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  103.895766][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  103.895946][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.896121][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  103.896290][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  103.896458][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.896630][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.896793][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.896982][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.897151][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.897317][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.897479][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.897650][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.897821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.898012][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.898183][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.898349][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.898526][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.898697][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.898861][   T12]  kthread (kernel/kthread.c:436)
[  103.899021][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.899218][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.899385][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.899556][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.899752][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.899929][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.900130][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.902764][   T12] ------------[ cut here ]------------
| [  103.902932][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.903216][   T12] Modules linked in:
| [  103.903671][   T12] Tainted: [W]=WARN
[  103.903808][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.904020][   T12] Workqueue: netns cleanup_net
[  103.904190][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.904391][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.904860][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  103.905088][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9000 RCX: 1ff4000000018eed
[  103.905311][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b90bc
[  103.905561][   T12] RBP: ff1100001268c000 R08: 1fe2200002137219 R09: ff11000001aed1d0
[  103.905783][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  103.906030][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.906254][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.906506][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.906707][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.906947][   T12] PKRU: 55555554
[  103.907091][   T12] Call Trace:
[  103.907227][   T12]  <TASK>
[  103.907332][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  103.907534][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.907727][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  103.907935][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  103.908114][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.908280][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  103.908447][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  103.908620][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.908786][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.908962][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.909140][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.909307][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.909473][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.909655][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.909822][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.910012][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.910183][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.910352][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.910521][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.910698][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.910882][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.911058][   T12]  kthread (kernel/kthread.c:436)
[  103.911198][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.911394][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.911567][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.911735][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.911944][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.912120][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.912287][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.914716][   T12] ------------[ cut here ]------------
| [  103.914888][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.915173][   T12] Modules linked in:
| [  103.915627][   T12] Tainted: [W]=WARN
[  103.915762][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.915975][   T12] Workqueue: netns cleanup_net
[  103.916145][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.916343][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.916814][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  103.917030][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa0900 RCX: 1ff4000000018eed
[  103.917254][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa09bc
[  103.917476][   T12] RBP: ff11000009689000 R08: 1fe2200001954139 R09: ff11000001aed1d0
[  103.917703][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  103.917937][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.918165][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.918416][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.918619][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.918842][   T12] PKRU: 55555554
[  103.918997][   T12] Call Trace:
[  103.919133][   T12]  <TASK>
[  103.919240][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  103.919437][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.919638][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  103.919808][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  103.919996][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.920162][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  103.920331][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  103.920531][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.920697][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.920859][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.921050][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.921219][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.921387][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.921557][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.921726][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.921905][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.922082][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.922252][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.922418][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.922595][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.922770][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.922947][   T12]  kthread (kernel/kthread.c:436)
[  103.923093][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.923290][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.923462][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.923638][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.923831][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.924016][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.924184][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.926635][   T12] ------------[ cut here ]------------
| [  103.926794][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.927095][   T12] Modules linked in:
| [  103.927552][   T12] Tainted: [W]=WARN
[  103.927690][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.927897][   T12] Workqueue: netns cleanup_net
[  103.928084][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.928367][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.928840][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  103.929134][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a6c80 RCX: 1ff4000000018eed
[  103.929360][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a6d3c
[  103.929588][   T12] RBP: ff110000057a9000 R08: 1fe2200001534da9 R09: ff11000001aed1d0
[  103.929898][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  103.930127][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.930353][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.930613][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.930815][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.931134][   T12] PKRU: 55555554
[  103.931269][   T12] Call Trace:
[  103.931407][   T12]  <TASK>
[  103.931597][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  103.931799][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.932010][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  103.932179][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  103.932417][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.932661][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  103.932829][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  103.933018][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.933186][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.933422][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.933597][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.933767][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.933947][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.934122][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.934292][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.934457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.934632][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.934804][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.934988][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.935160][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.935331][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.935497][   T12]  kthread (kernel/kthread.c:436)
[  103.935643][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.935839][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.936023][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.936191][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.936385][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.936556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.936727][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.940160][   T12] ------------[ cut here ]------------
| [  103.940324][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.940681][   T12] Modules linked in:
| [  103.941157][   T12] Tainted: [W]=WARN
[  103.941293][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.941571][   T12] Workqueue: netns cleanup_net
[  103.941741][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.941954][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.942670][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  103.942880][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4a040 RCX: 1ff4000000018eed
[  103.943113][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4a0fc
[  103.943408][   T12] RBP: ff1100000d2aa000 R08: 1fe2200001f89421 R09: ff11000001aed1d0
[  103.943642][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  103.943863][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.944110][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.944360][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.944560][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.944948][   T12] PKRU: 55555554
[  103.945097][   T12] Call Trace:
[  103.945234][   T12]  <TASK>
[  103.945343][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  103.945546][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.945740][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  103.945919][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  103.946100][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.946270][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  103.946439][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  103.946614][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.946779][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.946958][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.947138][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.947382][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.947558][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.947725][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.947906][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.948082][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.948251][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.948432][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.948607][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.948781][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.948973][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.949140][   T12]  kthread (kernel/kthread.c:436)
[  103.949350][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.949623][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.949789][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.949977][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.950246][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.950411][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.950586][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.980340][   T12] ------------[ cut here ]------------
| [  103.980507][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.980801][   T12] Modules linked in:
| [  103.981291][   T12] Tainted: [W]=WARN
[  103.981431][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.981642][   T12] Workqueue: netns cleanup_net
[  103.981817][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.982055][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.982554][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  103.982756][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4b380 RCX: 1ff4000000018eaf
[  103.983008][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b43c
[  103.983239][   T12] RBP: ff1100000a3bc000 R08: 1fe2200001f89689 R09: ff11000001aed1d0
[  103.983467][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  103.983705][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe1000
[  103.983980][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.984251][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.984452][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.984692][   T12] PKRU: 55555554
[  103.984830][   T12] Call Trace:
[  103.984988][   T12]  <TASK>
[  103.985102][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.985275][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.985417][   T12]  netif_close_many (net/core/dev.c:1804)
[  103.985595][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.985764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.985945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.986127][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  103.986299][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  103.986503][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  103.986714][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  103.986898][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  103.987101][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  103.987271][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  103.987442][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  103.987652][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  103.987826][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  103.988022][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  103.988193][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  103.988379][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  103.988558][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  103.988731][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  103.988944][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  103.989121][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.989297][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  103.989467][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  103.989648][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  103.989818][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  103.990011][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.990184][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.990358][   T12]  process_one_work (kernel/workqueue.c:3314)
[  103.990537][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.990708][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.990897][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.991077][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.991249][   T12]  kthread (kernel/kthread.c:436)
[  103.991390][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.991598][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.991771][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.991956][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.992168][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.992339][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.992515][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.995005][   T12] ------------[ cut here ]------------
| [  103.995170][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  103.995457][   T12] Modules linked in:
| [  103.995951][   T12] Tainted: [W]=WARN
[  103.996101][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.996299][   T12] Workqueue: netns cleanup_net
[  103.996484][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.996696][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  103.997208][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  103.997409][   T12] RAX: 00000000ffffffa6 RBX: ff11000008dc78c0 RCX: 1ff4000000018eaf
[  103.997645][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc797c
[  103.997884][   T12] RBP: ff1100000ffe1000 R08: 1fe22000011b8f31 R09: ff11000001aed1d0
[  103.998123][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  103.998353][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000126d1000
[  103.998593][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  103.998854][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.999077][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  103.999310][   T12] PKRU: 55555554
[  103.999448][   T12] Call Trace:
[  103.999593][   T12]  <TASK>
[  103.999703][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.999890][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.000073][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.000216][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.000388][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.000564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.000732][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.000916][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.001098][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.001304][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.001509][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.001685][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.001896][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.002074][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.002245][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.002446][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  104.002629][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.002801][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.002994][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.003167][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.003338][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.003512][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.003687][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.003901][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.004080][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.004256][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.004428][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.004603][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.004774][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.004960][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.005144][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.005319][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.005488][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.005667][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.005843][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.006035][   T12]  kthread (kernel/kthread.c:436)
[  104.006177][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.006377][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.006557][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.006730][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.006946][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.007125][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.007298][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.010454][   T12] ------------[ cut here ]------------
| [  104.010626][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.011529][   T12] Modules linked in:
| [  104.012305][   T12] Tainted: [W]=WARN
[  104.012493][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.012747][   T12] Workqueue: netns cleanup_net
[  104.013010][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.013270][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.013888][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.014149][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b4040 RCX: 1ff4000000018eaf
[  104.014428][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b40fc
[  104.014715][   T12] RBP: ff110000126d1000 R08: 1fe2200001e36821 R09: ff11000001aed1d0
[  104.015011][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.015288][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000095d9000
[  104.015577][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.015907][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.016166][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.016458][   T12] PKRU: 55555554
[  104.016653][   T12] Call Trace:
[  104.016844][   T12]  <TASK>
[  104.017027][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.017251][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.017473][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.017669][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.017903][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.018132][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.018353][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.018578][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.018797][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.019068][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.019320][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.019549][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.019795][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.020035][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.020253][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.020546][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  104.020769][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.021008][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.021228][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.021446][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.021674][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.021910][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.022172][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.022413][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.022592][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.022767][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.022951][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.023133][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.023308][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.023482][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.023659][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.023835][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.024023][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.024200][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.024376][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.024555][   T12]  kthread (kernel/kthread.c:436)
[  104.024701][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.024914][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.025095][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.025270][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.025473][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.025651][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.025829][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.028295][   T12] ------------[ cut here ]------------
| [  104.028465][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.028774][   T12] Modules linked in:
| [  104.029810][   T12] Tainted: [W]=WARN
[  104.030015][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.030272][   T12] Workqueue: netns cleanup_net
[  104.030498][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.030764][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.031325][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.031580][   T12] RAX: 00000000ffffffa6 RBX: ff1100000901f8c0 RCX: 1ff4000000018eaf
[  104.031858][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901f97c
[  104.032178][   T12] RBP: ff110000095d9000 R08: 1fe2200001203f31 R09: ff11000001aed1d0
[  104.032455][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.032741][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001009c000
[  104.033037][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.033346][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.033600][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.033899][   T12] PKRU: 55555554
[  104.034092][   T12] Call Trace:
[  104.034290][   T12]  <TASK>
[  104.034450][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.034677][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.034911][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.035110][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.035332][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.035558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.035800][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.036212][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.036558][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.036808][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.037044][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.037219][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.037419][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.037596][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.037766][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.037986][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  104.038161][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.038333][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.038509][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.038686][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.038859][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.039057][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.039231][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.039399][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.039582][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.039754][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.039944][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.040123][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.040295][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.040465][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.040647][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.040823][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.041013][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.041193][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.041369][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.041543][   T12]  kthread (kernel/kthread.c:436)
[  104.041684][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.041896][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.042074][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.042247][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.042452][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.042629][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.042799][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.046108][   T12] ------------[ cut here ]------------
| [  104.046278][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.046573][   T12] Modules linked in:
| [  104.047158][   T12] Tainted: [W]=WARN
[  104.047409][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.047667][   T12] Workqueue: netns cleanup_net
[  104.047909][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.048182][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.048729][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.049004][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa11c0 RCX: 1ff4000000018eaf
[  104.049288][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa127c
[  104.049576][   T12] RBP: ff1100001009c000 R08: 1fe2200001954251 R09: ff11000001aed1d0
[  104.049860][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.050215][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  104.050495][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.050813][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.051084][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.051367][   T12] PKRU: 55555554
[  104.051561][   T12] Call Trace:
[  104.051746][   T12]  <TASK>
[  104.051920][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.052151][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.052373][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.052569][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.052790][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.053029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.053255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.053474][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.053700][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.053972][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.054225][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.054443][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.054698][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.054931][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.055158][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.055412][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  104.055640][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.055862][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.056153][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.056376][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.056626][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.056847][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.057041][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.057212][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.057384][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.057561][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.057733][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.057915][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.058097][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.058270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.058471][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.058653][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.058823][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.059021][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.059231][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.059400][   T12]  kthread (kernel/kthread.c:436)
[  104.059547][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.059778][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.059974][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.060148][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.060348][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.060521][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.060695][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.063209][   T12] ------------[ cut here ]------------
| [  104.063371][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.063659][   T12] Modules linked in:
| [  104.064604][   T12] Tainted: [W]=WARN
[  104.064818][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.065088][   T12] Workqueue: netns cleanup_net
[  104.065309][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.065565][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.066097][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.066344][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b9a80 RCX: 1ff4000000018ed5
[  104.066674][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b9b3c
[  104.067013][   T12] RBP: ff1100000a3bc000 R08: 1fe2200002137369 R09: ff11000001aed1d0
[  104.067332][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.067609][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.067893][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.068232][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.068501][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.068785][   T12] PKRU: 55555554
[  104.068987][   T12] Call Trace:
[  104.069167][   T12]  <TASK>
[  104.069321][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.069572][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.069812][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.070042][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.070255][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.070502][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.070724][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.070949][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.071170][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.071384][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.071621][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.071888][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.072180][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.072350][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.072524][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.072694][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.072858][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.073050][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.073217][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.073385][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.073565][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.073730][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.073915][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.074097][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.074265][   T12]  kthread (kernel/kthread.c:436)
[  104.074401][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.074604][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.074773][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.074949][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.075154][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.075321][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.075487][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.078378][   T12] ------------[ cut here ]------------
| [  104.078546][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.078826][   T12] Modules linked in:
| [  104.079692][   T12] Tainted: [W]=WARN
[  104.079889][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.080175][   T12] Workqueue: netns cleanup_net
[  104.080433][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.080687][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.081226][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.081479][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ef51000 RCX: 1ff4000000018ed5
[  104.081750][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ef510bc
[  104.082036][   T12] RBP: ff1100000ffe1000 R08: 1fe2200001dea219 R09: ff11000001aed1d0
[  104.082308][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.082579][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.082850][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.083173][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.083415][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.083692][   T12] PKRU: 55555554
[  104.083886][   T12] Call Trace:
[  104.084076][   T12]  <TASK>
[  104.084231][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.084477][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.084721][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.084946][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.085166][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.085409][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.085631][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.085847][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.086084][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.086300][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.086517][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.086733][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.086957][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.087176][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.087389][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.087611][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.087821][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.088057][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.088321][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.088547][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.088716][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.088894][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.089075][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.089246][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.089412][   T12]  kthread (kernel/kthread.c:436)
[  104.089554][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.089750][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.089932][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.090108][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.090306][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.090480][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.090682][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.093393][   T12] ------------[ cut here ]------------
| [  104.093562][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.093844][   T12] Modules linked in:
| [  104.094857][   T12] Tainted: [W]=WARN
[  104.095062][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.095304][   T12] Workqueue: netns cleanup_net
[  104.095533][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.095785][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.096332][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.096581][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ef50900 RCX: 1ff4000000018ed5
[  104.096849][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ef509bc
[  104.097141][   T12] RBP: ff110000126d1000 R08: 1fe2200001dea139 R09: ff11000001aed1d0
[  104.097410][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.097705][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.097999][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.098297][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.098573][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.098847][   T12] PKRU: 55555554
[  104.099054][   T12] Call Trace:
[  104.099236][   T12]  <TASK>
[  104.099393][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.099647][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.099902][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.100132][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.100346][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.100594][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.100837][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.101117][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.101388][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.101652][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.101942][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.102208][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.102466][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.102737][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.103026][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.103195][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.103363][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.103534][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.103700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.103884][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.104068][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.104241][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.104412][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.104593][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.104759][   T12]  kthread (kernel/kthread.c:436)
[  104.104911][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.105119][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.105300][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.105468][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.105671][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.105839][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.106024][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.110297][   T12] ------------[ cut here ]------------
| [  104.110463][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.110753][   T12] Modules linked in:
| [  104.111228][   T12] Tainted: [W]=WARN
[  104.111365][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.111579][   T12] Workqueue: netns cleanup_net
[  104.111751][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.112084][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.112655][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.112954][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7afc40 RCX: 1ff4000000018ed5
[  104.113273][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7afcfc
[  104.113552][   T12] RBP: ff110000095d9000 R08: 1fe22000016f5fa1 R09: ff11000001aed1d0
[  104.113822][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.114115][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.114388][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.114696][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.114949][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.115230][   T12] PKRU: 55555554
[  104.115410][   T12] Call Trace:
[  104.115597][   T12]  <TASK>
[  104.115753][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.116020][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.116260][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.116473][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.116692][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.116955][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.117181][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.117394][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.117615][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.117829][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.118063][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.118275][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.118486][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.118705][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.118932][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.119150][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.119361][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.119579][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.119794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.120030][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.120252][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.120467][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.120693][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.120926][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.121148][   T12]  kthread (kernel/kthread.c:436)
[  104.121331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.121577][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.121793][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.122028][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.122321][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.122487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.122662][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.125503][   T12] ------------[ cut here ]------------
| [  104.125666][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.126528][   T12] Modules linked in:
| [  104.127199][   T12] Tainted: [W]=WARN
[  104.127398][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.127655][   T12] Workqueue: netns cleanup_net
[  104.127887][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.128145][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.128620][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.128815][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7ae580 RCX: 1ff4000000018ed5
[  104.129061][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7ae63c
[  104.129285][   T12] RBP: ff1100001009c000 R08: 1fe22000016f5cc9 R09: ff11000001aed1d0
[  104.129512][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.129738][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.129984][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.130239][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.130435][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.130669][   T12] PKRU: 55555554
[  104.130804][   T12] Call Trace:
[  104.130951][   T12]  <TASK>
[  104.131069][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.131268][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.131463][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.131640][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.131806][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  104.132028][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.132198][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.132365][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.132533][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.132703][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.132885][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.133063][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.133230][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.133396][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.133573][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.133742][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.133916][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.134094][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.134259][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.134427][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.134606][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.134774][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.134960][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.135140][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.135307][   T12]  kthread (kernel/kthread.c:436)
[  104.135443][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.135643][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.135810][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.135997][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.136191][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.136357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.136527][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.172407][   T12] ------------[ cut here ]------------
| [  104.172588][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.172905][   T12] Modules linked in:
| [  104.173404][   T12] Tainted: [W]=WARN
[  104.173557][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.173766][   T12] Workqueue: netns cleanup_net
[  104.174095][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.174371][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.174942][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  104.175161][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7af000 RCX: 1ff4000000018ebc
[  104.175403][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7af0bc
[  104.175653][   T12] RBP: ff11000010469000 R08: 1fe22000016f5e19 R09: ff11000001aed1d0
[  104.175908][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  104.176168][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.176408][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.176689][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.176911][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.177196][   T12] PKRU: 55555554
[  104.177340][   T12] Call Trace:
[  104.177484][   T12]  <TASK>
[  104.177603][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.177785][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.177946][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  104.178131][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  104.178311][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  104.178488][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  104.178674][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.178858][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  104.179059][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.179239][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  104.179416][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  104.179603][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  104.179781][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  104.179979][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  104.180163][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  104.180308][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  104.180484][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  104.180668][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  104.180847][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  104.181049][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  104.181228][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.181409][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.181591][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.181769][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.181960][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.182146][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.182321][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.182499][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.182684][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.182882][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.183074][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.183249][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.183432][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.183622][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.183832][   T12]  kthread (kernel/kthread.c:436)
[  104.183993][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.184236][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.184415][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.184600][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.184809][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.185008][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.185187][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.187820][   T12] ------------[ cut here ]------------
| [  104.188042][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.188341][   T12] Modules linked in:
| [  104.188825][   T12] Tainted: [W]=WARN
[  104.189047][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.189307][   T12] Workqueue: netns cleanup_net
[  104.189547][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.189860][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.190425][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  104.190654][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d473000 RCX: 1ff4000000018ec0
[  104.190901][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4730bc
[  104.191146][   T12] RBP: ff11000010469000 R08: 1fe2200001a8e619 R09: ff11000001aed1d0
[  104.191380][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  104.191624][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  104.191859][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.192153][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.192357][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.192604][   T12] PKRU: 55555554
[  104.192746][   T12] Call Trace:
[  104.192900][   T12]  <TASK>
[  104.193019][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.193192][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  104.193367][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  104.193549][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  104.193726][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  104.193947][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[  104.194131][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.194307][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  104.194481][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  104.194687][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[  104.194861][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.195060][   T12]  del_nbp (net/bridge/br_if.c:363)
[  104.195218][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  104.195398][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  104.195585][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  104.195761][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.195948][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.196131][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.196305][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.196480][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.196660][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.196837][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.197034][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.197212][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.197389][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.197573][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.197747][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.197939][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.198134][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.198310][   T12]  kthread (kernel/kthread.c:436)
[  104.198451][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.198662][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.198837][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.199036][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.199254][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.199433][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.199616][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.202133][   T12] ------------[ cut here ]------------
| [  104.202302][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.202612][   T12] Modules linked in:
| [  104.203212][   T12] Tainted: [W]=WARN
[  104.203410][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.203692][   T12] Workqueue: netns cleanup_net
[  104.203942][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.204222][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.204798][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  104.205077][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d472e40 RCX: 1ff4000000018ebc
[  104.205368][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d472efc
[  104.205668][   T12] RBP: ff1100000a83c000 R08: 1fe2200001a8e5e1 R09: ff11000001aed1d0
[  104.205980][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  104.206273][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.206574][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.206915][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.207189][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.207484][   T12] PKRU: 55555554
[  104.207684][   T12] Call Trace:
[  104.207894][   T12]  <TASK>
[  104.208077][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.208312][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.208513][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  104.208751][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  104.209009][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  104.209241][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  104.209469][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.209706][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  104.209948][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.210198][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  104.210425][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  104.210667][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  104.210910][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  104.211152][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  104.211384][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  104.211585][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.211814][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  104.212107][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  104.212351][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  104.212616][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  104.212796][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.212990][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.213167][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.213346][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.213533][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.213714][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.213903][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.214093][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.214277][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.214454][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.214644][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.214821][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.215041][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.215225][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.215405][   T12]  kthread (kernel/kthread.c:436)
[  104.215556][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.215767][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.215995][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.216175][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.216387][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.216571][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.216748][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.219509][   T12] ------------[ cut here ]------------
| [  104.219644][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.219979][   T12] Modules linked in:
| [  104.220366][   T12] Tainted: [W]=WARN
[  104.220462][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.220624][   T12] Workqueue: netns cleanup_net
[  104.220756][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.220983][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.221492][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  104.221655][   T12] RAX: 00000000ffffffa6 RBX: ff1100000901fa80 RCX: 1ff4000000018ec0
[  104.221845][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000901fb3c
[  104.222114][   T12] RBP: ff1100000a83c000 R08: 1fe2200001203f69 R09: ff11000001aed1d0
[  104.222302][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  104.222491][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  104.222685][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.222986][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.223216][   T12] CR2: 00007faf6d3b3000 CR3: 00000000105f7002 CR4: 0000000000771ef0
[  104.223405][   T12] PKRU: 55555554
[  104.223500][   T12] Call Trace:
[  104.223599][   T12]  <TASK>
[  104.223666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.223794][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  104.224022][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  104.224151][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  104.224280][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  104.224440][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.224570][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.224699][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  104.224828][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  104.225076][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[  104.225209][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.225337][   T12]  del_nbp (net/bridge/br_if.c:363)
[  104.225434][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  104.225566][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  104.225693][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  104.225821][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.226036][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.226164][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.226291][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.226421][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.226551][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.226678][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.226806][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.227108][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.227240][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.227372][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.227499][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.227635][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.227771][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.228003][   T12]  kthread (kernel/kthread.c:436)
[  104.228100][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.228258][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.228385][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.228516][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.228674][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.228801][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.229035][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.234018][   T12] ------------[ cut here ]------------
| [  104.234156][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  104.234401][   T12] Modules linked in:
| [  104.234778][   T12] Tainted: [W]=WARN
[  104.234880][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.235038][   T12] Workqueue: netns cleanup_net
[  104.235163][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.235328][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.235766][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  104.236006][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee518c0 RCX: 1ff4000000018ec7
[  104.236186][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5197c
[  104.236366][   T12] RBP: ff11000009762000 R08: 1fe2200001dca331 R09: ff11000001aed1d0
[  104.236551][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  104.236731][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[  104.236993][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  104.237213][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.237372][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[  104.237612][   T12] PKRU: 55555554
[  104.237702][   T12] Call Trace:
[  104.237792][   T12]  <TASK>
[  104.237855][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.237990][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.238083][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.238206][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.238328][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.238479][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.238633][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.238754][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.238908][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.239036][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.239158][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.239279][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.239399][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.239527][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.239649][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.239769][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.239898][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.240026][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.240152][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.240274][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.240393][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.240519][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.240639][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.240761][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.240892][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.241020][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.241145][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.241270][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.241390][   T12]  kthread (kernel/kthread.c:436)
[  104.241480][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.241634][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.241755][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.241880][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.242036][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.242157][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.242280][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.246324][   T12] ------------[ cut here ]------------
| [  104.246455][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  104.246692][   T12] Modules linked in:
| [  104.247069][   T12] Tainted: [W]=WARN
[  104.247157][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.247302][   T12] Workqueue: netns cleanup_net
[  104.247422][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.247576][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.248006][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.248152][   T12] RAX: 00000000ffffffa6 RBX: ff110000126bfe00 RCX: 1ff4000000018eed
[  104.248326][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bfebc
[  104.248499][   T12] RBP: ff1100001284c000 R08: 1fe22000024d7fd9 R09: ff11000001aed1d0
[  104.248674][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  104.248846][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.249031][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  104.249234][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.249379][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[  104.249558][   T12] PKRU: 55555554
[  104.249649][   T12] Call Trace:
[  104.249736][   T12]  <TASK>
[  104.249796][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.249953][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.250103][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.250219][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.250336][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.250451][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.250574][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.250691][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.250807][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.250928][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.251052][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.251171][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.251287][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.251402][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.251520][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.251635][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.251751][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.251875][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.251999][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.252119][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.252239][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.252355][   T12]  kthread (kernel/kthread.c:436)
[  104.252441][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.252587][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.252704][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.252820][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.252972][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.253090][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.253205][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.255409][   T12] ------------[ cut here ]------------
| [  104.255527][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  104.255751][   T12] Modules linked in:
| [  104.256614][   T12] Tainted: [W]=WARN
[  104.256704][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.256850][   T12] Workqueue: netns cleanup_net
[  104.257071][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.257224][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.257642][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.257787][   T12] RAX: 00000000ffffffa6 RBX: ff110000126bf8c0 RCX: 1ff4000000018eed
[  104.258055][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bf97c
[  104.258317][   T12] RBP: ff11000012974000 R08: 1fe22000024d7f31 R09: ff11000001aed1d0
[  104.258489][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  104.258663][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.258837][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  104.259126][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.259270][   T12] CR2: 000055dfdb5e2d5c CR3: 0000000009c29002 CR4: 0000000000771ef0
[  104.259443][   T12] PKRU: 55555554
[  104.259532][   T12] Call Trace:
[  104.259619][   T12]  <TASK>
[  104.259679][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.259826][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.260022][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.260139][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.260256][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.260414][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.260537][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.260653][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.260768][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.260929][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.261174][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.261308][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.261425][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.261547][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.261663][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.261777][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.261947][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.262072][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.262190][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.262309][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.262429][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.262597][   T12]  kthread (kernel/kthread.c:436)
[  104.262685][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.262829][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.262997][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.263114][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.263259][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.263374][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.263490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.265726][   T12] ------------[ cut here ]------------
| [  104.265849][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.266094][   T12] Modules linked in:
| [  104.266458][   T12] Tainted: [W]=WARN
[  104.266552][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.266696][   T12] Workqueue: netns cleanup_net
[  104.266818][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.266983][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.267408][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.267558][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a7000 RCX: 1ff4000000018eed
[  104.267731][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a70bc
[  104.267915][   T12] RBP: ff11000012901000 R08: 1fe2200001534e19 R09: ff11000001aed1d0
[  104.268091][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.268274][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.268449][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.268653][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.268801][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.268984][   T12] PKRU: 55555554
[  104.269072][   T12] Call Trace:
[  104.269159][   T12]  <TASK>
[  104.269221][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.269370][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.269519][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.269637][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.269756][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.269880][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.270007][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.270127][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.270243][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.270360][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.270482][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.270603][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.270720][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.270836][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.270961][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.271086][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.271206][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.271328][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.271445][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.271570][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.271692][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.271808][   T12]  kthread (kernel/kthread.c:436)
[  104.271904][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.272051][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.272170][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.272288][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.272433][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.272554][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.272671][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.274651][   T12] ------------[ cut here ]------------
| [  104.274770][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.275011][   T12] Modules linked in:
| [  104.275369][   T12] Tainted: [W]=WARN
[  104.275456][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.275607][   T12] Workqueue: netns cleanup_net
[  104.275728][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.275889][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.276309][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.276455][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9a6e40 RCX: 1ff4000000018eed
[  104.276629][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a6efc
[  104.276801][   T12] RBP: ff11000012b71000 R08: 1fe2200001534de1 R09: ff11000001aed1d0
[  104.276983][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.277154][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.277328][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.277538][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.277689][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.277863][   T12] PKRU: 55555554
[  104.277961][   T12] Call Trace:
[  104.278055][   T12]  <TASK>
[  104.278115][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.278264][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.278409][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.278529][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.278646][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.278760][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.278881][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.279004][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.279120][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.279236][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.279354][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.279470][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.279590][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.279706][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.279824][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.279945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.280065][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.280186][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.280302][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.280422][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.280548][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.280665][   T12]  kthread (kernel/kthread.c:436)
[  104.280752][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.280901][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.281027][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.281143][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.281288][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.281404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.281524][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.283484][   T12] ------------[ cut here ]------------
| [  104.283605][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.283830][   T12] Modules linked in:
| [  104.284198][   T12] Tainted: [W]=WARN
[  104.284286][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.284431][   T12] Workqueue: netns cleanup_net
[  104.284553][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.284703][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.285128][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.285274][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ef51380 RCX: 1ff4000000018eed
[  104.285446][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ef5143c
[  104.285624][   T12] RBP: ff11000010259000 R08: 1fe2200001dea289 R09: ff11000001aed1d0
[  104.285798][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.285981][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.286157][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.286359][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.286504][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.286682][   T12] PKRU: 55555554
[  104.286768][   T12] Call Trace:
[  104.286855][   T12]  <TASK>
[  104.286920][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.287074][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.287222][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.287342][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.287458][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.287574][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.287693][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.287811][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.287934][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.288056][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.288177][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.288298][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.288414][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.288532][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.288649][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.288763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.288883][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.289010][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.289125][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.289245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.289364][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.289479][   T12]  kthread (kernel/kthread.c:436)
[  104.289569][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.289713][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.289828][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.289948][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.290100][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.290215][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.290336][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.292489][   T12] ------------[ cut here ]------------
| [  104.292605][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.292830][   T12] Modules linked in:
| [  104.293192][   T12] Tainted: [W]=WARN
[  104.293281][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.293425][   T12] Workqueue: netns cleanup_net
[  104.293547][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.293700][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.294121][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.294266][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90580 RCX: 1ff4000000018eed
[  104.294442][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9063c
[  104.294617][   T12] RBP: ff11000012824000 R08: 1fe2200001fd20c9 R09: ff11000001aed1d0
[  104.294791][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.294971][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.295146][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.295348][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.295491][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.295668][   T12] PKRU: 55555554
[  104.295754][   T12] Call Trace:
[  104.295839][   T12]  <TASK>
[  104.295904][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.296058][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.296199][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.296320][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.296437][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.296557][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.296675][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.296791][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.296909][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.297029][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.297150][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.297268][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.297384][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.297499][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.297619][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.297734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.297852][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.297984][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.298100][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.298222][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.298343][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.298459][   T12]  kthread (kernel/kthread.c:436)
[  104.298547][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.298691][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.298806][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.298928][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.299078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.299194][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.299309][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.301435][   T12] ------------[ cut here ]------------
| [  104.301553][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.301777][   T12] Modules linked in:
| [  104.302137][   T12] Tainted: [W]=WARN
[  104.302225][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.302372][   T12] Workqueue: netns cleanup_net
[  104.302492][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.302645][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.303069][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.303218][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fe90c80 RCX: 1ff4000000018eed
[  104.303390][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe90d3c
[  104.303571][   T12] RBP: ff11000008c64000 R08: 1fe2200001fd21a9 R09: ff11000001aed1d0
[  104.303744][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.303922][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.304105][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.304309][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.304455][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.304633][   T12] PKRU: 55555554
[  104.304719][   T12] Call Trace:
[  104.304804][   T12]  <TASK>
[  104.304864][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.305022][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.305165][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.305282][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.305398][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.305515][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.305633][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.305751][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.305876][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.305998][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.306114][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.306233][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.306349][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.306465][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.306584][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.306699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.306816][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.306940][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.307059][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.307179][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.307299][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.307416][   T12]  kthread (kernel/kthread.c:436)
[  104.307503][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.307649][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.307764][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.307883][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.308032][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.308147][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.308266][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.310386][   T12] ------------[ cut here ]------------
| [  104.310502][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.310733][   T12] Modules linked in:
| [  104.311091][   T12] Tainted: [W]=WARN
[  104.311179][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.311322][   T12] Workqueue: netns cleanup_net
[  104.311443][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.311596][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.312017][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.312169][   T12] RAX: 00000000ffffffa6 RBX: ff1100000544da80 RCX: 1ff4000000018eed
[  104.312341][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000544db3c
[  104.312515][   T12] RBP: ff11000005011000 R08: 1fe2200000a89b69 R09: ff11000001aed1d0
[  104.312686][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.312856][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.313040][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.313242][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.313387][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.313565][   T12] PKRU: 55555554
[  104.313650][   T12] Call Trace:
[  104.313738][   T12]  <TASK>
[  104.313799][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.313952][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.314102][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.314219][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.314337][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.314454][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.314575][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.314694][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.314810][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.314933][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.315056][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.315176][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.315294][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.315409][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.315532][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.315649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.315766][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.315891][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.316012][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.316133][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.316257][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.316372][   T12]  kthread (kernel/kthread.c:436)
[  104.316460][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.316606][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.316728][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.316844][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.316999][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.317115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.317233][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.319324][   T12] ------------[ cut here ]------------
| [  104.319440][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.319670][   T12] Modules linked in:
| [  104.320027][   T12] Tainted: [W]=WARN
[  104.320115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.320261][   T12] Workqueue: netns cleanup_net
[  104.320380][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.320536][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.320954][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.321107][   T12] RAX: 00000000ffffffa6 RBX: ff1100000544d8c0 RCX: 1ff4000000018eed
[  104.321281][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000544d97c
[  104.321452][   T12] RBP: ff11000008bac000 R08: 1fe2200000a89b31 R09: ff11000001aed1d0
[  104.321628][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.321804][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.321986][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.322188][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.322331][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.322504][   T12] PKRU: 55555554
[  104.322594][   T12] Call Trace:
[  104.322682][   T12]  <TASK>
[  104.322743][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.322899][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.323048][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.323165][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.323287][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.323402][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.323520][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.323639][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.323756][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.323876][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.323997][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.324120][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.324235][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.324350][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.324467][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.324585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.324704][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.324823][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.324943][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.325068][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.325186][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.325303][   T12]  kthread (kernel/kthread.c:436)
[  104.325390][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.325539][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.325655][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.325773][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.325924][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.326045][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.326161][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.328120][   T12] ------------[ cut here ]------------
| [  104.328235][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.328462][   T12] Modules linked in:
| [  104.328817][   T12] Tainted: [W]=WARN
[  104.328907][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.329058][   T12] Workqueue: netns cleanup_net
[  104.329177][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.329328][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.329746][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.329896][   T12] RAX: 00000000ffffffa6 RBX: ff1100000544d1c0 RCX: 1ff4000000018eed
[  104.330073][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000544d27c
[  104.330248][   T12] RBP: ff11000010474000 R08: 1fe2200000a89a51 R09: ff11000001aed1d0
[  104.330419][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.330600][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.330773][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.330993][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.331143][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.331317][   T12] PKRU: 55555554
[  104.331403][   T12] Call Trace:
[  104.331491][   T12]  <TASK>
[  104.331552][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.331700][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.331845][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.331964][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.332091][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.332211][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.332330][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.332452][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.332573][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.332690][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.332808][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.332932][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.333055][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.333169][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.333287][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.333402][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.333525][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.333647][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.333768][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.333893][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.334020][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.334137][   T12]  kthread (kernel/kthread.c:436)
[  104.334225][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.334369][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.334487][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.334605][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.334749][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.334870][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.334993][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.337135][   T12] ------------[ cut here ]------------
| [  104.337251][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.337474][   T12] Modules linked in:
| [  104.337836][   T12] Tainted: [W]=WARN
[  104.337929][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.338079][   T12] Workqueue: netns cleanup_net
[  104.338199][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.338349][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.338765][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.338916][   T12] RAX: 00000000ffffffa6 RBX: ff1100000544c3c0 RCX: 1ff4000000018eed
[  104.339093][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000544c47c
[  104.339270][   T12] RBP: ff1100000988c000 R08: 1fe2200000a89891 R09: ff11000001aed1d0
[  104.339448][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.339624][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.339799][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.340011][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.340158][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.340334][   T12] PKRU: 55555554
[  104.340422][   T12] Call Trace:
[  104.340512][   T12]  <TASK>
[  104.340573][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.340722][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.340870][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.340995][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.341112][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.341228][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.341352][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.341469][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.341589][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.341704][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.341831][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.341954][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.342076][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.342191][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.342308][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.342423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.342548][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.342668][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.342786][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.342916][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.343040][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.343156][   T12]  kthread (kernel/kthread.c:436)
[  104.343244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.343389][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.343507][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.343628][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.343773][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.343894][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.344016][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.346159][   T12] ------------[ cut here ]------------
| [  104.346275][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.346498][   T12] Modules linked in:
| [  104.346851][   T12] Tainted: [W]=WARN
[  104.346945][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.347096][   T12] Workqueue: netns cleanup_net
[  104.347217][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.347368][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.347792][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.347944][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637e00 RCX: 1ff4000000018eed
[  104.348121][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d637ebc
[  104.348294][   T12] RBP: ff1100000e434000 R08: 1fe2200001ac6fd9 R09: ff11000001aed1d0
[  104.348473][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.348648][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.348827][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.349041][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.349187][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.349363][   T12] PKRU: 55555554
[  104.349450][   T12] Call Trace:
[  104.349540][   T12]  <TASK>
[  104.349601][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.349750][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.349900][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.350025][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.350144][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.350260][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.350378][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.350496][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.350616][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.350730][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.350852][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.350984][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.351103][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.351220][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.351337][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.351452][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.351575][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.351695][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.351811][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.351939][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.352070][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.352186][   T12]  kthread (kernel/kthread.c:436)
[  104.352273][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.352419][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.352539][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.352656][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.352804][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.352925][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.353053][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.361501][   T12] ------------[ cut here ]------------
| [  104.361629][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.361935][   T12] Modules linked in:
| [  104.362365][   T12] Tainted: [W]=WARN
[  104.362452][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.362604][   T12] Workqueue: netns cleanup_net
[  104.362725][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.362959][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.363448][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.363597][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee511c0 RCX: 1ff4000000018eed
[  104.363774][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee5127c
[  104.364030][   T12] RBP: ff1100000a394000 R08: 1fe2200001dca251 R09: ff11000001aed1d0
[  104.364202][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.364375][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.364630][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.364832][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.365061][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.365236][   T12] PKRU: 55555554
[  104.365321][   T12] Call Trace:
[  104.365407][   T12]  <TASK>
[  104.365468][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.365697][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.365840][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.365962][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.366157][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.366273][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.366390][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.366516][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.366704][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.366819][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.366939][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.367062][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.367250][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.367365][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.367482][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.367601][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.367789][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.367912][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.368034][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.368156][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.368346][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.368461][   T12]  kthread (kernel/kthread.c:436)
[  104.368550][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.368701][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.368893][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.369017][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.369161][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.369277][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.369463][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.371828][   T12] ------------[ cut here ]------------
| [  104.371947][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.372179][   T12] Modules linked in:
| [  104.372534][   T12] Tainted: [W]=WARN
[  104.372626][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.372775][   T12] Workqueue: netns cleanup_net
[  104.372905][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.373061][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.373485][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.373632][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee50c80 RCX: 1ff4000000018eed
[  104.373805][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50d3c
[  104.373987][   T12] RBP: ff11000005fb1000 R08: 1fe2200001dca1a9 R09: ff11000001aed1d0
[  104.374160][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.374333][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.374509][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.374718][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.374863][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.375048][   T12] PKRU: 55555554
[  104.375135][   T12] Call Trace:
[  104.375221][   T12]  <TASK>
[  104.375282][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.375429][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.375574][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.375689][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.375806][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.375927][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.376051][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.376168][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.376284][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.376399][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.376518][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.376636][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.376753][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.376874][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.376999][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.377115][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.377232][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.377358][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.377478][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.377603][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.377723][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.377838][   T12]  kthread (kernel/kthread.c:436)
[  104.377932][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.378081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.378197][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.378388][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.378536][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.378656][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.378772][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.381392][   T12] ------------[ cut here ]------------
| [  104.381510][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.381737][   T12] Modules linked in:
| [  104.382178][   T12] Tainted: [W]=WARN
[  104.382265][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.382484][   T12] Workqueue: netns cleanup_net
[  104.382606][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.382762][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.384099][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.384254][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ee50ac0 RCX: 1ff4000000018eed
[  104.384427][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee50b7c
[  104.384606][   T12] RBP: ff11000010619000 R08: 1fe2200001dca171 R09: ff11000001aed1d0
[  104.384781][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.385009][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.385182][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.385432][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.385581][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.385754][   T12] PKRU: 55555554
[  104.385841][   T12] Call Trace:
[  104.385980][   T12]  <TASK>
[  104.386041][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.386188][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.386332][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.386450][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.386575][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.386690][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.386808][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.386975][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.387091][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.387207][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.387325][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.387442][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.387567][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.387683][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.387801][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.387970][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.388088][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.388212][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.388338][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.388457][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.388580][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.388697][   T12]  kthread (kernel/kthread.c:436)
[  104.388784][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.388979][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.389095][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.389217][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.389361][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.389477][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.389596][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.394083][   T12] ------------[ cut here ]------------
| [  104.394247][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.394525][   T12] Modules linked in:
| [  104.395006][   T12] Tainted: [W]=WARN
[  104.395141][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.395332][   T12] Workqueue: netns cleanup_net
[  104.395499][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.395704][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.396188][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  104.396380][   T12] RAX: 00000000ffffffa6 RBX: ff1100000efa1e00 RCX: 1ff4000000018eed
[  104.396606][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa1ebc
[  104.396826][   T12] RBP: ff11000009762000 R08: 1fe2200001df43d9 R09: ff11000001aed1d0
[  104.397079][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.397298][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.397521][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.397774][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.397985][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.398209][   T12] PKRU: 55555554
[  104.398341][   T12] Call Trace:
[  104.398473][   T12]  <TASK>
[  104.398587][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.398783][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.398995][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  104.399162][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  104.399331][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.399494][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  104.399668][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  104.399833][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.400015][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.400181][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.400348][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.400517][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.400688][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.400850][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.401039][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.401205][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.401373][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.401545][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.401708][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.401894][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.402074][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.402239][   T12]  kthread (kernel/kthread.c:436)
[  104.402374][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.402573][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.402738][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.402921][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.403128][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.403295][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.403459][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.417561][ T1785] ------------[ cut here ]------------
| [  104.417710][ T1785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1785
| [  104.417982][ T1785] Modules linked in:
| [  104.418354][ T1785] Tainted: [W]=WARN
[  104.418453][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.418618][ T1785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.418788][ T1785] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.419267][ T1785] RSP: 0018:ffa00000051b7a80 EFLAGS: 00010286
[  104.419432][ T1785] RAX: 00000000ffffffa6 RBX: ff1100000dc26040 RCX: 1ff4000000a36f16
[  104.419632][ T1785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc260fc
[  104.419828][ T1785] RBP: ff1100000a86c000 R08: 1fe2200001b84c21 R09: ff1100000f2f8b80
[  104.420036][ T1785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.420232][ T1785] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a86c000
[  104.420428][ T1785] FS:  00007f61892f1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.420662][ T1785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.420827][ T1785] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.421037][ T1785] PKRU: 55555554
[  104.421138][ T1785] Call Trace:
[  104.421238][ T1785]  <TASK>
[  104.421306][ T1785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.421437][ T1785]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.421574][ T1785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.421674][ T1785]  register_netdevice (net/core/dev.c:11488)
[  104.421807][ T1785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  104.421983][ T1785]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  104.422117][ T1785]  register_netdev (net/core/dev.c:11552)
[  104.422247][ T1785]  loopback_net_init (drivers/net/loopback.c:218)
[  104.422381][ T1785]  ops_init (net/core/net_namespace.c:137)
[  104.422482][ T1785]  setup_net (net/core/net_namespace.c:446)
[  104.422584][ T1785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  104.422714][ T1785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  104.422846][ T1785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  104.422989][ T1785]  copy_net_ns (net/core/net_namespace.c:579)
[  104.423123][ T1785]  create_new_namespaces (kernel/nsproxy.c:132)
[  104.423258][ T1785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  104.423389][ T1785]  ksys_unshare (kernel/fork.c:3243)
[  104.423522][ T1785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.423653][ T1785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  104.423785][ T1785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  104.423934][ T1785]  ? __ia32_sys_open (fs/open.c:1374)
[  104.424073][ T1785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  104.424202][ T1785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  104.424332][ T1785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.424463][ T1785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.424599][ T1785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.424729][ T1785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.424901][ T1785] RIP: 0033:0x7f61895b3bcb
[  104.425045][ T1785] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  104.425507][ T1785] RSP: 002b:00007ffcec40f348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  104.425709][ T1785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61895b3bcb
[  104.425910][ T1785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  104.426115][ T1785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  104.426309][ T1785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcec411570
[  104.426501][ T1785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcec412847
| [  104.430723][ T1785] ------------[ cut here ]------------
| [  104.430859][ T1785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1785
| [  104.431129][ T1785] Modules linked in:
| [  104.431489][ T1785] Tainted: [W]=WARN
[  104.431589][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.431751][ T1785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.431926][ T1785] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.432393][ T1785] RSP: 0018:ffa00000051b7918 EFLAGS: 00010286
[  104.432558][ T1785] RAX: 00000000ffffffa6 RBX: ff1100000f1a8580 RCX: 1ff4000000a36ee9
[  104.432754][ T1785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1a863c
[  104.432958][ T1785] RBP: ff1100000a87c000 R08: 1fe2200001e350c9 R09: ff1100000f2f8b80
[  104.433157][ T1785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.433355][ T1785] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a87c000
[  104.433552][ T1785] FS:  00007f61892f1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.433780][ T1785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.434009][ T1785] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.434206][ T1785] PKRU: 55555554
[  104.434304][ T1785] Call Trace:
[  104.434399][ T1785]  <TASK>
[  104.434466][ T1785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.434601][ T1785]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.434731][ T1785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.434829][ T1785]  register_netdevice (net/core/dev.c:11488)
[  104.435021][ T1785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  104.435183][ T1785]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  104.435313][ T1785]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  104.435443][ T1785]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  104.435632][ T1785]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  104.435762][ T1785]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  104.435948][ T1785]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  104.436083][ T1785]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[  104.436215][ T1785]  ops_init (net/core/net_namespace.c:137)
[  104.436314][ T1785]  setup_net (net/core/net_namespace.c:446)
[  104.436412][ T1785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  104.436544][ T1785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  104.436674][ T1785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  104.436804][ T1785]  copy_net_ns (net/core/net_namespace.c:579)
[  104.436995][ T1785]  create_new_namespaces (kernel/nsproxy.c:132)
[  104.437128][ T1785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  104.437258][ T1785]  ksys_unshare (kernel/fork.c:3243)
[  104.437387][ T1785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.437519][ T1785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  104.437648][ T1785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  104.437777][ T1785]  ? __ia32_sys_open (fs/open.c:1374)
[  104.437964][ T1785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  104.438101][ T1785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  104.438229][ T1785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.438358][ T1785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.438486][ T1785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.438617][ T1785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.438777][ T1785] RIP: 0033:0x7f61895b3bcb
[  104.438973][ T1785] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  104.439432][ T1785] RSP: 002b:00007ffcec40f348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  104.439631][ T1785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61895b3bcb
[  104.439823][ T1785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  104.440081][ T1785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  104.440277][ T1785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcec411570
[  104.440471][ T1785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcec412847
| [  104.442767][   T12] ------------[ cut here ]------------
| [  104.443466][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.443827][   T12] Modules linked in:
| [  104.444410][   T12] Tainted: [W]=WARN
[  104.444604][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.444860][   T12] Workqueue: netns cleanup_net
[  104.445170][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.445426][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.446010][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.446260][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1a9540 RCX: 1ff4000000018eaf
[  104.446558][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1a95fc
[  104.446833][   T12] RBP: ff110000020bc000 R08: 1fe2200001e352c1 R09: ff11000001aed1d0
[  104.447190][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.447527][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094d4000
[  104.447964][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.448314][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.448572][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.448892][   T12] PKRU: 55555554
[  104.449092][   T12] Call Trace:
[  104.449288][   T12]  <TASK>
[  104.449467][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.449708][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.449945][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.450185][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.450426][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.450683][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.450914][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.451144][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.451396][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.451621][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.451880][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.452113][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.452351][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.452583][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.452753][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.452940][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.453119][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.453292][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.453463][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.453642][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.453812][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.454005][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.454177][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.454345][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.454520][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.454691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.454880][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.455063][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.455235][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.455409][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.455592][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.455762][   T12]  kthread (kernel/kthread.c:436)
[  104.455915][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.456131][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.456304][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.456475][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.456682][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.456852][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.457045][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.467558][   T12] ------------[ cut here ]------------
| [  104.467727][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.468350][   T12] Modules linked in:
| [  104.468817][   T12] Tainted: [W]=WARN
[  104.468976][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.469175][   T12] Workqueue: netns cleanup_net
[  104.469350][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.469562][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.470065][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.470267][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ef75000 RCX: 1ff4000000018eaf
[  104.470497][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ef750bc
[  104.470734][   T12] RBP: ff110000094d4000 R08: 1fe2200001deea19 R09: ff11000001aed1d0
[  104.470986][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.471216][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f164000
[  104.471446][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.471713][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.471926][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.472167][   T12] PKRU: 55555554
[  104.472306][   T12] Call Trace:
[  104.472443][   T12]  <TASK>
[  104.472559][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.472729][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.472911][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.473063][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.473238][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.473408][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.473613][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.473782][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.473975][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.474176][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.474346][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.474552][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.474722][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.474909][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.475089][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.475259][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.475428][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.475609][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.475782][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.475976][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.476145][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.476314][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.476485][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.476661][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.476830][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.477019][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.477194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.477368][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.477546][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.477716][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.477901][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.478080][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.478249][   T12]  kthread (kernel/kthread.c:436)
[  104.478389][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.478598][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.478767][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.478949][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.479158][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.479327][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.479498][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.481566][   T12] ------------[ cut here ]------------
| [  104.481728][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.482037][   T12] Modules linked in:
| [  104.482506][   T12] Tainted: [W]=WARN
[  104.482651][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.482850][   T12] Workqueue: netns cleanup_net
[  104.483046][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.483255][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.483742][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.483956][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ef75700 RCX: 1ff4000000018eaf
[  104.484193][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ef757bc
[  104.484423][   T12] RBP: ff1100000f164000 R08: 1fe2200001deeaf9 R09: ff11000001aed1d0
[  104.484657][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.484898][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010444000
[  104.485136][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.485398][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.485607][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.485837][   T12] PKRU: 55555554
[  104.485993][   T12] Call Trace:
[  104.486131][   T12]  <TASK>
[  104.486242][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.486416][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.486593][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.486735][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.486920][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.487101][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.487298][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.487466][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.487650][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.487851][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.488043][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.488245][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.488414][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.488596][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.488768][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.488949][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.489132][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.489303][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.489474][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.489650][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.489819][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.490012][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.490184][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.490358][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.490529][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.490700][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.490883][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.491066][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.491242][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.491411][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.491595][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.491770][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.491951][   T12]  kthread (kernel/kthread.c:436)
[  104.492101][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.492300][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.492472][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.492648][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.492850][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.493042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.493213][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.495355][   T12] ------------[ cut here ]------------
| [  104.495523][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.495811][   T12] Modules linked in:
| [  104.496297][   T12] Tainted: [W]=WARN
[  104.496434][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.496643][   T12] Workqueue: netns cleanup_net
[  104.496818][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.497048][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.497530][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.497733][   T12] RAX: 00000000ffffffa6 RBX: ff1100000544d000 RCX: 1ff4000000018eaf
[  104.497982][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000544d0bc
[  104.498210][   T12] RBP: ff11000010444000 R08: 1fe2200000a89a19 R09: ff11000001aed1d0
[  104.498438][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.498676][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b6d1000
[  104.498918][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.499189][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.499391][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.499631][   T12] PKRU: 55555554
[  104.499769][   T12] Call Trace:
[  104.499917][   T12]  <TASK>
[  104.500037][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.500211][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.500381][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.500526][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.500700][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.500884][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.501095][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.501266][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.501437][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.501647][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.501818][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.502039][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.502211][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.502388][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.502580][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.502751][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.502937][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.503118][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.503291][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.503461][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.503640][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.503811][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.504009][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.504182][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.504350][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.504524][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.504695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.504880][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.505071][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.505244][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.505418][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.505599][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.505769][   T12]  kthread (kernel/kthread.c:436)
[  104.505919][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.506131][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.506306][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.506477][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.506681][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.506851][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.507043][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.509185][   T12] ------------[ cut here ]------------
| [  104.509350][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.509643][   T12] Modules linked in:
| [  104.510130][   T12] Tainted: [W]=WARN
[  104.510269][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.510469][   T12] Workqueue: netns cleanup_net
[  104.510652][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.510860][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.511363][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.511571][   T12] RAX: 00000000ffffffa6 RBX: ff1100000544c900 RCX: 1ff4000000018eaf
[  104.511800][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000544c9bc
[  104.512050][   T12] RBP: ff1100000b6d1000 R08: 1fe2200000a89939 R09: ff11000001aed1d0
[  104.512277][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.512502][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edf9000
[  104.512739][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.513018][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.513221][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.513450][   T12] PKRU: 55555554
[  104.513594][   T12] Call Trace:
[  104.513731][   T12]  <TASK>
[  104.513841][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.514036][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.514209][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.514356][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.514532][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.514706][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.514917][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.515097][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.515270][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.515472][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.515650][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.515847][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.516040][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.516217][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.516389][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.516565][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.516735][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.516919][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.517101][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.517272][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.517441][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.517618][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.517789][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.517979][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.518151][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.518325][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.518494][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.518675][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.518848][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.519040][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.519215][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.519388][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.519566][   T12]  kthread (kernel/kthread.c:436)
[  104.519706][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.519917][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.520097][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.520270][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.520470][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.520647][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.520821][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.523940][   T12] ------------[ cut here ]------------
| [  104.524110][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.524399][   T12] Modules linked in:
| [  104.524881][   T12] Tainted: [W]=WARN
[  104.525029][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.525230][   T12] Workqueue: netns cleanup_net
[  104.525407][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.525620][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.526117][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.526318][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d028c80 RCX: 1ff4000000018eaf
[  104.526554][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d028d3c
[  104.526784][   T12] RBP: ff1100000edf9000 R08: 1fe2200001a051a9 R09: ff11000001aed1d0
[  104.527035][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.527262][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010469000
[  104.527497][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.527767][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.527987][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.528217][   T12] PKRU: 55555554
[  104.528356][   T12] Call Trace:
[  104.528495][   T12]  <TASK>
[  104.528616][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.528788][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.528981][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.529125][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.529296][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.529466][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.529673][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.529844][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.530038][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.530239][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.530408][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.530613][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.530782][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.530980][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.531156][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.531326][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.531496][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.531677][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.531848][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.532040][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.532211][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.532386][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.532565][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.532738][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.532917][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.533100][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.533271][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.533444][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.533624][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.533798][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.533990][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.534166][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.534334][   T12]  kthread (kernel/kthread.c:436)
[  104.534474][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.534678][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.534849][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.535046][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.535248][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.535420][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.535599][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.537661][   T12] ------------[ cut here ]------------
| [  104.537823][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.538130][   T12] Modules linked in:
| [  104.538604][   T12] Tainted: [W]=WARN
[  104.538743][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.538953][   T12] Workqueue: netns cleanup_net
[  104.539138][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.539343][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.539832][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.540050][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d029380 RCX: 1ff4000000018eaf
[  104.540278][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d02943c
[  104.540506][   T12] RBP: ff11000010469000 R08: 1fe2200001a05289 R09: ff11000001aed1d0
[  104.540745][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.540993][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a83c000
[  104.541225][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.541485][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.541690][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.541935][   T12] PKRU: 55555554
[  104.542077][   T12] Call Trace:
[  104.542215][   T12]  <TASK>
[  104.542326][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.542497][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.542687][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.542829][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.543024][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.543195][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.543394][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.543570][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.543742][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.543958][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.544138][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.544338][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.544510][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.544691][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.544862][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.545056][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.545228][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.545402][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.545582][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.545754][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.545936][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.546112][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.546288][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.546458][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.546634][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.546805][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.546998][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.547171][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.547345][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.547517][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.547696][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.547884][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.548067][   T12]  kthread (kernel/kthread.c:436)
[  104.548208][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.548411][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.548588][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.548760][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.548981][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.549153][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.549325][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.551723][   T12] ------------[ cut here ]------------
| [  104.551908][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.552203][   T12] Modules linked in:
| [  104.552676][   T12] Tainted: [W]=WARN
[  104.552813][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.553246][   T12] Workqueue: netns cleanup_net
[  104.553419][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.553636][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.554137][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.554339][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ff36580 RCX: 1ff4000000018eaf
[  104.554574][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff3663c
[  104.554804][   T12] RBP: ff1100000a83c000 R08: 1fe2200001fe6cc9 R09: ff11000001aed1d0
[  104.555053][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.555281][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c11000
[  104.555511][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.555780][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.556001][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.556231][   T12] PKRU: 55555554
[  104.556369][   T12] Call Trace:
[  104.556507][   T12]  <TASK>
[  104.556623][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.556797][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.556987][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.557130][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.557301][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.557471][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.557676][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.557845][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.558042][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.558245][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.558415][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.558620][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.558790][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.558988][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.559160][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.559330][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.559502][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.559682][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.559852][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.560043][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.560215][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.560387][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.560565][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.560739][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.560917][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.561101][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.561273][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.561443][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.561622][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.561792][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.561989][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.562166][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.562336][   T12]  kthread (kernel/kthread.c:436)
[  104.562475][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.562678][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.562848][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.563040][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.563247][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.563418][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.563595][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.566001][   T12] ------------[ cut here ]------------
| [  104.566166][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.566451][   T12] Modules linked in:
| [  104.566933][   T12] Tainted: [W]=WARN
[  104.567078][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.567279][   T12] Workqueue: netns cleanup_net
[  104.567452][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.567665][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.568171][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  104.568374][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ff37700 RCX: 1ff4000000018eaf
[  104.568609][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff377bc
[  104.568837][   T12] RBP: ff11000008c11000 R08: 1fe2200001fe6ef9 R09: ff11000001aed1d0
[  104.569083][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  104.569315][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  104.569552][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.569812][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.570034][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.570267][   T12] PKRU: 55555554
[  104.570405][   T12] Call Trace:
[  104.570548][   T12]  <TASK>
[  104.570658][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.570829][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.571019][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.571161][   T12]  netif_close_many (net/core/dev.c:1804)
[  104.571333][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  104.571503][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  104.571712][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.571894][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  104.572075][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  104.572277][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.572448][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.572653][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.572825][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.573024][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.573198][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.573368][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.573541][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.573713][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.573897][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.574075][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.574246][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.574415][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.574593][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.574764][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.574947][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.575129][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.575298][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.575468][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.575652][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.575821][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.576016][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.576192][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.576362][   T12]  kthread (kernel/kthread.c:436)
[  104.576501][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.576707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.576894][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.577074][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.577274][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.577444][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.577620][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.580223][   T12] ------------[ cut here ]------------
| [  104.580384][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  104.580670][   T12] Modules linked in:
| [  104.581799][   T12] Tainted: [W]=WARN
[  104.582021][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.582280][   T12] Workqueue: netns cleanup_net
[  104.582521][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.582791][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.583348][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.583612][   T12] RAX: 00000000ffffffa6 RBX: ff11000009970900 RCX: 1ff4000000018ed5
[  104.583918][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099709bc
[  104.584212][   T12] RBP: ff110000020bc000 R08: 1fe220000132e139 R09: ff11000001aed1d0
[  104.584493][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  104.584781][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.585083][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.585392][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.585652][   T12] CR2: 00007f41fa16ec20 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  104.585972][   T12] PKRU: 55555554
[  104.586191][   T12] Call Trace:
[  104.586381][   T12]  <TASK>
[  104.586556][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.586814][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.587082][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.587308][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.587544][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.587763][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.588005][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.588226][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.588447][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.588673][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.588907][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.589136][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.589358][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.589583][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.589801][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.590033][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.590252][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.590466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.590694][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.590927][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.591155][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.591375][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.591599][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.591814][   T12]  kthread (kernel/kthread.c:436)
[  104.592022][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.592284][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.592557][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.592789][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.593051][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.593263][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.593477][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.602512][   T12] ------------[ cut here ]------------
| [  104.602644][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.602881][   T12] Modules linked in:
| [  104.603250][   T12] Tainted: [W]=WARN
[  104.603339][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.603487][   T12] Workqueue: netns cleanup_net
[  104.603612][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.603774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.604219][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.604372][   T12] RAX: 00000000ffffffa6 RBX: ff11000009971540 RCX: 1ff4000000018ed5
[  104.604551][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099715fc
[  104.604730][   T12] RBP: ff110000094d4000 R08: 1fe220000132e2c1 R09: ff11000001aed1d0
[  104.604910][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.605093][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.605272][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.605479][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.605631][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.605809][   T12] PKRU: 55555554
[  104.605909][   T12] Call Trace:
[  104.606005][   T12]  <TASK>
[  104.606067][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.606218][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.606373][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.606493][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.606624][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.606744][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.606864][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.606995][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.607115][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.607235][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.607355][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.607474][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.607597][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.607717][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.607837][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.608062][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.608184][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.608302][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.608422][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.608638][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.608757][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.608995][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.609122][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.609239][   T12]  kthread (kernel/kthread.c:436)
[  104.609328][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.609475][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.609597][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.609714][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.609861][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.610080][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.610199][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.612727][   T12] ------------[ cut here ]------------
| [  104.612849][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.613094][   T12] Modules linked in:
| [  104.613449][   T12] Tainted: [W]=WARN
[  104.613542][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.613695][   T12] Workqueue: netns cleanup_net
[  104.613817][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.613977][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.614398][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.614548][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc263c0 RCX: 1ff4000000018ed5
[  104.614726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2647c
[  104.614908][   T12] RBP: ff1100000f164000 R08: 1fe2200001b84c91 R09: ff11000001aed1d0
[  104.615090][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.615265][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.615444][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.615655][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.615808][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.615997][   T12] PKRU: 55555554
[  104.616086][   T12] Call Trace:
[  104.616176][   T12]  <TASK>
[  104.616238][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.616393][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.616546][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.616665][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.616790][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.616913][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.617038][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.617158][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.617278][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.617399][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.617518][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.617636][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.617754][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.617880][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.618008][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.618125][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.618245][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.618362][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.618482][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.618607][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.618726][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.618850][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.618984][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.619102][   T12]  kthread (kernel/kthread.c:436)
[  104.619191][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.619342][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.619460][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.619580][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.619729][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.619847][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.619973][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.622289][   T12] ------------[ cut here ]------------
| [  104.622408][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  104.622641][   T12] Modules linked in:
| [  104.623518][   T12] Tainted: [W]=WARN
[  104.623613][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.623766][   T12] Workqueue: netns cleanup_net
[  104.623938][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.624097][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.624518][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.624668][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc26e40 RCX: 1ff4000000018ed5
[  104.624842][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc26efc
[  104.625071][   T12] RBP: ff11000010444000 R08: 1fe2200001b84de1 R09: ff11000001aed1d0
[  104.625298][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.625475][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.625656][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.625859][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.626058][   T12] CR2: 00007faf6d3b3000 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  104.626235][   T12] PKRU: 55555554
[  104.626323][   T12] Call Trace:
[  104.626412][   T12]  <TASK>
[  104.626473][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.626626][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.626772][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.626937][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.627065][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.627184][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.627305][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.627422][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.627545][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.627665][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.627783][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.627952][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.628077][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.628199][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.628318][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.628436][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.628558][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.628675][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.628799][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.628973][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.629094][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.629221][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.629343][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.629461][   T12]  kthread (kernel/kthread.c:436)
[  104.629554][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.629700][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.629818][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.629987][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.630135][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.630252][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.630370][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.632883][   T12] ------------[ cut here ]------------
| [  104.633020][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  104.633260][   T12] Modules linked in:
| [  104.633624][   T12] Tainted: [W]=WARN
[  104.633716][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.633873][   T12] Workqueue: netns cleanup_net
[  104.634001][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.634155][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.634580][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.634730][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aad18c0 RCX: 1ff4000000018ed5
[  104.634928][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aad197c
[  104.635109][   T12] RBP: ff1100000b6d1000 R08: 1fe220000155a331 R09: ff11000001aed1d0
[  104.635284][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.635461][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.635641][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.635851][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.636013][   T12] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.636196][   T12] PKRU: 55555554
[  104.636285][   T12] Call Trace:
[  104.636374][   T12]  <TASK>
[  104.636440][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.636596][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.636742][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.636861][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.636997][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.637118][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.637237][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.637359][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.637479][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.637603][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.637721][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.637839][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.637972][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.638094][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.638217][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.638335][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.638459][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.638580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.638701][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.638823][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.638949][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.639076][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.639204][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.639323][   T12]  kthread (kernel/kthread.c:436)
[  104.639412][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.639562][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.639682][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.639807][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.639963][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.640088][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.640207][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.648540][   T12] ------------[ cut here ]------------
| [  104.648671][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  104.648912][   T12] Modules linked in:
| [  104.649277][   T12] Tainted: [W]=WARN
[  104.649368][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.649518][   T12] Workqueue: netns cleanup_net
[  104.649641][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.649795][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.650231][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.650380][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aad0c80 RCX: 1ff4000000018ed5
[  104.650561][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aad0d3c
[  104.650742][   T12] RBP: ff1100000edf9000 R08: 1fe220000155a1a9 R09: ff11000001aed1d0
[  104.650924][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.651107][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.651285][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.651491][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.651641][   T12] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.651819][   T12] PKRU: 55555554
[  104.651910][   T12] Call Trace:
[  104.652006][   T12]  <TASK>
[  104.652068][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.652220][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.652372][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.652491][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.652618][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.652743][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.652862][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.652994][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.653115][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.653234][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.653351][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.653469][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.653593][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.653716][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.653835][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.653960][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.654083][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.654205][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.654325][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.654446][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.654569][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.654691][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.654814][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.654938][   T12]  kthread (kernel/kthread.c:436)
[  104.655032][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.655185][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.655303][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.655424][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.655574][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.655693][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.655812][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.657989][   T12] ------------[ cut here ]------------
| [  104.658106][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  104.658335][   T12] Modules linked in:
| [  104.658697][   T12] Tainted: [W]=WARN
[  104.658786][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.658938][   T12] Workqueue: netns cleanup_net
[  104.659068][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.659233][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.659667][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.659818][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aad0580 RCX: 1ff4000000018ed5
[  104.660005][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aad063c
[  104.660181][   T12] RBP: ff11000010469000 R08: 1fe220000155a0c9 R09: ff11000001aed1d0
[  104.660357][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.660536][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.660711][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.660923][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.661077][   T12] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.661255][   T12] PKRU: 55555554
[  104.661342][   T12] Call Trace:
[  104.661430][   T12]  <TASK>
[  104.661491][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.661648][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.661793][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.661917][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.662044][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.662164][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.662284][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.662402][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.662525][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.662645][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.662762][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.662891][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.663017][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.663137][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.663256][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.663373][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.663492][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.663612][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.663733][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.663857][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.663983][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.664111][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.664233][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.664351][   T12]  kthread (kernel/kthread.c:436)
[  104.664440][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.664589][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.664708][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.664826][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.664984][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.665102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.665220][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.667398][   T12] ------------[ cut here ]------------
| [  104.667519][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  104.667751][   T12] Modules linked in:
| [  104.668123][   T12] Tainted: [W]=WARN
[  104.668214][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.668365][   T12] Workqueue: netns cleanup_net
[  104.668487][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.668641][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.669072][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.669221][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc27c40 RCX: 1ff4000000018ed5
[  104.669395][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc27cfc
[  104.669574][   T12] RBP: ff1100000a83c000 R08: 1fe2200001b84fa1 R09: ff11000001aed1d0
[  104.669751][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.669932][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.670115][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.670322][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.670470][   T12] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.670652][   T12] PKRU: 55555554
[  104.670740][   T12] Call Trace:
[  104.670829][   T12]  <TASK>
[  104.670896][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.671053][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.671199][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.671319][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.671441][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.671563][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.671681][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.671800][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.671925][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.672050][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.672170][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.672288][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.672407][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.672530][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.672651][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.672771][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.672896][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.673019][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.673141][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.673264][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.673381][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.673505][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.673630][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.673748][   T12]  kthread (kernel/kthread.c:436)
[  104.673836][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.673998][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.674120][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.674244][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.674391][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.674515][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.674634][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.676966][   T12] ------------[ cut here ]------------
| [  104.677086][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  104.677315][   T12] Modules linked in:
| [  104.677682][   T12] Tainted: [W]=WARN
[  104.677771][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.677925][   T12] Workqueue: netns cleanup_net
[  104.678052][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.678218][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.678640][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  104.678788][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1b7700 RCX: 1ff4000000018ed5
[  104.678973][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b77bc
[  104.679156][   T12] RBP: ff11000008c11000 R08: 1fe2200001e36ef9 R09: ff11000001aed1d0
[  104.679332][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.679515][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  104.679691][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.679905][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.680059][   T12] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.680238][   T12] PKRU: 55555554
[  104.680330][   T12] Call Trace:
[  104.680418][   T12]  <TASK>
[  104.680479][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  104.680634][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  104.680782][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  104.680905][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  104.681033][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  104.681153][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  104.681272][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  104.681393][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  104.681516][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  104.681636][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.681754][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  104.681878][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.682002][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  104.682122][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  104.682242][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  104.682360][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  104.682480][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.682603][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.682723][   T12]  process_one_work (kernel/workqueue.c:3314)
[  104.682844][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  104.682972][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.683097][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  104.683219][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  104.683337][   T12]  kthread (kernel/kthread.c:436)
[  104.683426][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  104.683574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.683693][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  104.683812][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  104.683971][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  104.684091][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  104.684209][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.690704][ T1785] ------------[ cut here ]------------
| [  104.690847][ T1785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1785
| [  104.691115][ T1785] Modules linked in:
| [  104.691484][ T1785] Tainted: [W]=WARN
[  104.691585][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.691750][ T1785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.691929][ T1785] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.692401][ T1785] RSP: 0018:ffa00000051b78f8 EFLAGS: 00010286
[  104.692569][ T1785] RAX: 00000000ffffffa6 RBX: ff11000010b86c80 RCX: 1ff4000000a36ee5
[  104.692766][ T1785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b86d3c
[  104.692975][ T1785] RBP: ff11000009889000 R08: 1fe2200002170da9 R09: ff1100000f2f8b80
[  104.693170][ T1785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  104.693367][ T1785] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009889000
[  104.693570][ T1785] FS:  00007f61892f1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  104.693801][ T1785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.693977][ T1785] CR2: 00007f61894f8430 CR3: 0000000012936001 CR4: 0000000000771ef0
[  104.694177][ T1785] PKRU: 55555554
[  104.694276][ T1785] Call Trace:
[  104.694373][ T1785]  <TASK>
[  104.694441][ T1785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.694577][ T1785]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.694711][ T1785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.694811][ T1785]  register_netdevice (net/core/dev.c:11488)
[  104.694947][ T1785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  104.695116][ T1785]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  104.695250][ T1785]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  104.695381][ T1785]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  104.695518][ T1785]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  104.695652][ T1785]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  104.695785][ T1785]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  104.696585][ T1785]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  104.696720][ T1785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  104.696852][ T1785]  vti_init_net (net/ipv4/ip_vti.c:517)
[  104.697055][ T1785]  ops_init (net/core/net_namespace.c:137)
[  104.697155][ T1785]  setup_net (net/core/net_namespace.c:446)
[  104.697256][ T1785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  104.697386][ T1785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  104.697520][ T1785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  104.697653][ T1785]  copy_net_ns (net/core/net_namespace.c:579)
[  104.697786][ T1785]  create_new_namespaces (kernel/nsproxy.c:132)
[  104.697986][ T1785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  104.698119][ T1785]  ksys_unshare (kernel/fork.c:3243)
[  104.698249][ T1785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.698383][ T1785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  104.698518][ T1785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  104.698651][ T1785]  ? __ia32_sys_open (fs/open.c:1374)
[  104.698784][ T1785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  104.698980][ T1785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  104.699113][ T1785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.699244][ T1785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.699376][ T1785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.699511][ T1785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.699674][ T1785] RIP: 0033:0x7f61895b3bcb
[  104.699813][ T1785] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  104.700341][ T1785] RSP: 002b:00007ffcec40f348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  104.700546][ T1785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61895b3bcb
[  104.700742][ T1785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  104.701000][ T1785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  104.701195][ T1785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcec411570
[  104.701393][ T1785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcec412847
| [  104.711767][ T1785] ------------[ cut here ]------------
| [  104.711913][ T1785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1785
| [  104.712175][ T1785] Modules linked in:
| [  104.712545][ T1785] Tainted: [W]=WARN
[  104.712644][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.712807][ T1785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.712984][ T1785] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.713446][ T1785] RSP: 0018:ffa00000051b7a78 EFLAGS: 00010286
[  104.713612][ T1785] RAX: 00000000ffffffa6 RBX: ff1100000cb683c0 RCX: 1ff4000000a36f15
[  104.713807][ T1785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6847c
[  104.714011][ T1785] RBP: ff11000012abc000 R08: 1fe220000196d091 R09: ff1100000f2f8b80
[  104.714206][ T1785] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.714399][ T1785] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012abc000
[  104.714599][ T1785] FS:  00007f61892f1840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.714827][ T1785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.715003][ T1785] CR2: 00007faf6d3b3000 CR3: 0000000012936003 CR4: 0000000000771ef0
[  104.715198][ T1785] PKRU: 55555554
[  104.715296][ T1785] Call Trace:
[  104.715394][ T1785]  <TASK>
[  104.715462][ T1785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.715597][ T1785]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.715728][ T1785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.715828][ T1785]  register_netdevice (net/core/dev.c:11488)
[  104.715971][ T1785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  104.716134][ T1785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.716270][ T1785]  register_netdev (net/core/dev.c:11552)
[  104.716400][ T1785]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[  104.716537][ T1785]  ops_init (net/core/net_namespace.c:137)
[  104.716638][ T1785]  setup_net (net/core/net_namespace.c:446)
[  104.716737][ T1785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  104.716872][ T1785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  104.717008][ T1785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  104.717140][ T1785]  copy_net_ns (net/core/net_namespace.c:579)
[  104.717274][ T1785]  create_new_namespaces (kernel/nsproxy.c:132)
[  104.717406][ T1785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  104.717541][ T1785]  ksys_unshare (kernel/fork.c:3243)
[  104.717671][ T1785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.717800][ T1785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  104.717936][ T1785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  104.718072][ T1785]  ? __ia32_sys_open (fs/open.c:1374)
[  104.718205][ T1785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  104.718334][ T1785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  104.718465][ T1785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.718598][ T1785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.718730][ T1785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.718860][ T1785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.719034][ T1785] RIP: 0033:0x7f61895b3bcb
[  104.719170][ T1785] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  104.719639][ T1785] RSP: 002b:00007ffcec40f348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  104.719837][ T1785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61895b3bcb
[  104.720043][ T1785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  104.720236][ T1785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  104.720430][ T1785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcec411570
[  104.720627][ T1785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcec412847
| [  104.724788][ T1785] ------------[ cut here ]------------
| [  104.724930][ T1785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1785
| [  104.725190][ T1785] Modules linked in:
| [  104.725556][ T1785] Tainted: [W]=WARN
[  104.725656][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.725819][ T1785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.726000][ T1785] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.726468][ T1785] RSP: 0018:ffa00000051b7a68 EFLAGS: 00010286
[  104.726636][ T1785] RAX: 00000000ffffffa6 RBX: ff1100000cb691c0 RCX: 1ff4000000a36f13
[  104.726832][ T1785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6927c
[  104.727039][ T1785] RBP: ff110000100d4000 R08: 1fe220000196d251 R09: ff1100000f2f8b80
[  104.727235][ T1785] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.727430][ T1785] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100d4000
[  104.727630][ T1785] FS:  00007f61892f1840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.727859][ T1785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.728037][ T1785] CR2: 00007faf6d3b3000 CR3: 0000000012936003 CR4: 0000000000771ef0
[  104.728234][ T1785] PKRU: 55555554
[  104.728334][ T1785] Call Trace:
[  104.728431][ T1785]  <TASK>
[  104.728499][ T1785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.728634][ T1785]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.728765][ T1785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.728872][ T1785]  register_netdevice (net/core/dev.c:11488)
[  104.729012][ T1785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  104.729177][ T1785]  register_netdev (net/core/dev.c:11552)
[  104.729308][ T1785]  sit_init_net (net/ipv6/sit.c:1860)
[  104.729439][ T1785]  ops_init (net/core/net_namespace.c:137)
[  104.729543][ T1785]  setup_net (net/core/net_namespace.c:446)
[  104.729643][ T1785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  104.729773][ T1785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  104.729910][ T1785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  104.730050][ T1785]  copy_net_ns (net/core/net_namespace.c:579)
[  104.730182][ T1785]  create_new_namespaces (kernel/nsproxy.c:132)
[  104.730316][ T1785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  104.730449][ T1785]  ksys_unshare (kernel/fork.c:3243)
[  104.730582][ T1785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.730715][ T1785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  104.730845][ T1785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  104.730985][ T1785]  ? __ia32_sys_open (fs/open.c:1374)
[  104.731119][ T1785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  104.731251][ T1785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  104.731383][ T1785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.731517][ T1785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.731648][ T1785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.731780][ T1785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.731944][ T1785] RIP: 0033:0x7f61895b3bcb
[  104.732085][ T1785] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  104.732555][ T1785] RSP: 002b:00007ffcec40f348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  104.732753][ T1785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61895b3bcb
[  104.732953][ T1785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  104.733152][ T1785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  104.733347][ T1785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcec411570
[  104.733547][ T1785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcec412847
| [  104.752490][ T1785] ------------[ cut here ]------------
| [  104.752645][ T1785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1785
| [  104.752907][ T1785] Modules linked in:
| [  104.753286][ T1785] Tainted: [W]=WARN
[  104.753389][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.753555][ T1785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.753727][ T1785] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.754209][ T1785] RSP: 0018:ffa00000051b7a78 EFLAGS: 00010286
[  104.754373][ T1785] RAX: 00000000ffffffa6 RBX: ff110000105f3540 RCX: 1ff4000000a36f15
[  104.754571][ T1785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f35fc
[  104.754766][ T1785] RBP: ff1100000ffe4000 R08: 1fe22000020be6c1 R09: ff1100000f2f8b80
[  104.754973][ T1785] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  104.755170][ T1785] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe4000
[  104.755367][ T1785] FS:  00007f61892f1840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  104.755600][ T1785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.755763][ T1785] CR2: 00007faf6d3b3000 CR3: 0000000012936003 CR4: 0000000000771ef0
[  104.755965][ T1785] PKRU: 55555554
[  104.756068][ T1785] Call Trace:
[  104.756166][ T1785]  <TASK>
[  104.756233][ T1785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.756366][ T1785]  ? notifier_call_chain (kernel/notifier.c:85)
[  104.756498][ T1785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.756601][ T1785]  register_netdevice (net/core/dev.c:11488)
[  104.756733][ T1785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  104.756899][ T1785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.757039][ T1785]  register_netdev (net/core/dev.c:11552)
[  104.757169][ T1785]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[  104.757300][ T1785]  ops_init (net/core/net_namespace.c:137)
[  104.757401][ T1785]  setup_net (net/core/net_namespace.c:446)
[  104.757501][ T1785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  104.757634][ T1785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  104.757765][ T1785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  104.757902][ T1785]  copy_net_ns (net/core/net_namespace.c:579)
[  104.758040][ T1785]  create_new_namespaces (kernel/nsproxy.c:132)
[  104.758173][ T1785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  104.758305][ T1785]  ksys_unshare (kernel/fork.c:3243)
[  104.758435][ T1785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  104.758569][ T1785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  104.758699][ T1785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  104.758830][ T1785]  ? __ia32_sys_open (fs/open.c:1374)
[  104.758972][ T1785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  104.759102][ T1785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  104.759231][ T1785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.759360][ T1785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.759500][ T1785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.759634][ T1785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.759794][ T1785] RIP: 0033:0x7f61895b3bcb
[  104.759936][ T1785] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  104.760403][ T1785] RSP: 002b:00007ffcec40f348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  104.760603][ T1785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61895b3bcb
[  104.760797][ T1785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  104.761003][ T1785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  104.761196][ T1785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcec411570
[  104.761389][ T1785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcec412847
| [  104.796497][ T1786] ------------[ cut here ]------------
| [  104.796684][ T1786] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1786
| [  104.797081][ T1786] Modules linked in:
| [  104.797542][ T1786] Tainted: [W]=WARN
[  104.797689][ T1786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.797911][ T1786] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  104.798139][ T1786] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  104.798664][ T1786] RSP: 0018:ffa00000051c7020 EFLAGS: 00010286
[  104.798888][ T1786] RAX: 00000000ffffffa6 RBX: ff1100000c9b3700 RCX: 1ff4000000a38dca
[  104.799134][ T1786] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9b37bc
[  104.799371][ T1786] RBP: ff1100000a86c000 R08: 1fe22000019366f9 R09: ff1100000f2fae58
[  104.799620][ T1786] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  104.799859][ T1786] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  104.800120][ T1786] FS:  00007f0ab0a54840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  104.800392][ T1786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.800612][ T1786] CR2: 000000001ce9f988 CR3: 000000000aba0006 CR4: 0000000000771ef0
[  104.800853][ T1786] PKRU: 55555554
[  104.801020][ T1786] Call Trace:
[  104.801163][ T1786]  <TASK>
[  104.801277][ T1786]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  104.801456][ T1786]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  104.801610][ T1786]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  104.801789][ T1786]  __dev_notify_flags (net/core/dev.c:9787)
[  104.801988][ T1786]  ? netif_change_name (net/core/dev.c:1495)
[  104.802165][ T1786]  ? __dev_change_flags (net/core/dev.c:9752)
[  104.802343][ T1786]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  104.802520][ T1786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.802701][ T1786]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  104.802894][ T1786]  netif_change_flags (net/core/dev.c:9820)
[  104.803082][ T1786]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  104.803259][ T1786]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  104.803439][ T1786]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  104.803623][ T1786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  104.803831][ T1786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  104.804027][ T1786]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  104.804204][ T1786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  104.804383][ T1786]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  104.804570][ T1786]  ? __kernel_text_address (kernel/extable.c:79)
[  104.804749][ T1786]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.804939][ T1786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.805249][ T1786]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  104.805426][ T1786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.805614][ T1786]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  104.805791][ T1786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.805988][ T1786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.806167][ T1786]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  104.806344][ T1786]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  104.806521][ T1786]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  104.806702][ T1786]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  104.806893][ T1786]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  104.807081][ T1786]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  104.807264][ T1786]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  104.807446][ T1786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.807627][ T1786]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.807804][ T1786]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  104.808000][ T1786]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  104.808178][ T1786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.808358][ T1786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.808539][ T1786]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.808716][ T1786]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  104.808906][ T1786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  104.809093][ T1786]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  104.809275][ T1786]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  104.809450][ T1786]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  104.809633][ T1786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.809809][ T1786]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.810015][ T1786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  104.810192][ T1786]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  104.810371][ T1786]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  104.810556][ T1786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.810735][ T1786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.810929][ T1786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  104.811113][ T1786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  104.811295][ T1786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.811474][ T1786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.811655][ T1786]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  104.811833][ T1786]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  104.812029][ T1786]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  104.812208][ T1786]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  104.812386][ T1786]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  104.812572][ T1786]  ? copy_msghdr_from_user (net/socket.c:2635)
[  104.812752][ T1786]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  104.812979][ T1786]  ? move_addr_to_kernel (net/socket.c:258)
[  104.813159][ T1786]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  104.813337][ T1786]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  104.813518][ T1786]  ___sys_sendmsg (net/socket.c:2752)
[  104.813697][ T1786]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  104.813919][ T1786]  ? copy_msghdr_from_user (net/socket.c:2603)
[  104.814121][ T1786]  __sys_sendmsg (net/socket.c:2784)
[  104.814300][ T1786]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  104.814474][ T1786]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  104.814691][ T1786]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  104.814880][ T1786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  104.815070][ T1786]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  104.815246][ T1786]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  104.815425][ T1786]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  104.815637][ T1786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.815846][ T1786] RIP: 0033:0x7f0ab0c8e08e
[  104.816051][ T1786] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  104.816564][ T1786] RSP: 002b:00007ffeebb358c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.816810][ T1786] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0ab0c8e08e
[  104.817071][ T1786] RDX: 0000000000000000 RSI: 00007ffeebb35970 RDI: 0000000000000005
[  104.817310][ T1786] RBP: 00007ffeebb358d0 R08: 0000000000000000 R09: 0000000000000000
[  104.817556][ T1786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd55
[  104.817798][ T1786] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeebb36040
| [  105.024132][ T1794] ------------[ cut here ]------------
| [  105.024333][ T1794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1794
| [  105.024648][ T1794] Modules linked in:
| [  105.025366][ T1794] Tainted: [W]=WARN
[  105.025509][ T1794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.025723][ T1794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.025954][ T1794] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.026467][ T1794] RSP: 0018:ffa0000005207a80 EFLAGS: 00010286
[  105.026687][ T1794] RAX: 00000000ffffffa6 RBX: ff1100000d52e580 RCX: 1ff4000000a40f16
[  105.026944][ T1794] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52e63c
[  105.027194][ T1794] RBP: ff11000009b24000 R08: 1fe2200001aa5cc9 R09: ff11000009652e80
[  105.027436][ T1794] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.027683][ T1794] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b24000
[  105.027940][ T1794] FS:  00007f4b9b6b5840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.028228][ T1794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.028436][ T1794] CR2: 00007f4b9b8c1690 CR3: 00000000100cd002 CR4: 0000000000771ef0
[  105.028686][ T1794] PKRU: 55555554
[  105.028829][ T1794] Call Trace:
[  105.028991][ T1794]  <TASK>
[  105.029107][ T1794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.029286][ T1794]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.029465][ T1794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.029620][ T1794]  register_netdevice (net/core/dev.c:11488)
[  105.029800][ T1794]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.030027][ T1794]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.030205][ T1794]  register_netdev (net/core/dev.c:11552)
[  105.030383][ T1794]  loopback_net_init (drivers/net/loopback.c:218)
[  105.030600][ T1794]  ops_init (net/core/net_namespace.c:137)
[  105.030747][ T1794]  setup_net (net/core/net_namespace.c:446)
[  105.030907][ T1794]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.031093][ T1794]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.031273][ T1794]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.031452][ T1794]  copy_net_ns (net/core/net_namespace.c:579)
[  105.031638][ T1794]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.031821][ T1794]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.032020][ T1794]  ksys_unshare (kernel/fork.c:3243)
[  105.032199][ T1794]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.032377][ T1794]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.032561][ T1794]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.032741][ T1794]  ? __ia32_sys_open (fs/open.c:1374)
[  105.032932][ T1794]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.033118][ T1794]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.033294][ T1794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.033470][ T1794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.033654][ T1794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.033831][ T1794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.034059][ T1794] RIP: 0033:0x7f4b9b977bcb
[  105.034241][ T1794] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.034757][ T1794] RSP: 002b:00007ffe13093988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.035022][ T1794] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4b9b977bcb
[  105.035263][ T1794] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.035504][ T1794] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.035750][ T1794] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe13095bb0
[  105.036013][ T1794] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe13097847
| [  105.040641][ T1794] ------------[ cut here ]------------
| [  105.040815][ T1794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1794
| [  105.041138][ T1794] Modules linked in:
| [  105.041600][ T1794] Tainted: [W]=WARN
[  105.041743][ T1794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.041962][ T1794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.042185][ T1794] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.042695][ T1794] RSP: 0018:ffa0000005207918 EFLAGS: 00010286
[  105.042916][ T1794] RAX: 00000000ffffffa6 RBX: ff1100000a8cec80 RCX: 1ff4000000a40ee9
[  105.043162][ T1794] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8ced3c
[  105.043400][ T1794] RBP: ff1100000e724000 R08: 1fe2200001519da9 R09: ff11000009652e80
[  105.043650][ T1794] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.043900][ T1794] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e724000
[  105.044144][ T1794] FS:  00007f4b9b6b5840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.044416][ T1794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.044633][ T1794] CR2: 00007f4b9b8c1690 CR3: 00000000100cd002 CR4: 0000000000771ef0
[  105.044891][ T1794] PKRU: 55555554
[  105.045043][ T1794] Call Trace:
[  105.045187][ T1794]  <TASK>
[  105.045301][ T1794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.045478][ T1794]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.045659][ T1794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.045806][ T1794]  register_netdevice (net/core/dev.c:11488)
[  105.046009][ T1794]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.046217][ T1794]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.046396][ T1794]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  105.046585][ T1794]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  105.046761][ T1794]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  105.046953][ T1794]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  105.047139][ T1794]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  105.047321][ T1794]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[  105.047501][ T1794]  ops_init (net/core/net_namespace.c:137)
[  105.047656][ T1794]  setup_net (net/core/net_namespace.c:446)
[  105.047802][ T1794]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.048025][ T1794]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.048204][ T1794]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.048382][ T1794]  copy_net_ns (net/core/net_namespace.c:579)
[  105.048567][ T1794]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.048750][ T1794]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.048942][ T1794]  ksys_unshare (kernel/fork.c:3243)
[  105.049125][ T1794]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.049302][ T1794]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.049479][ T1794]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.049662][ T1794]  ? __ia32_sys_open (fs/open.c:1374)
[  105.049842][ T1794]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.050046][ T1794]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.050223][ T1794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.050401][ T1794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.050586][ T1794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.050764][ T1794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.050990][ T1794] RIP: 0033:0x7f4b9b977bcb
[  105.051173][ T1794] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.051689][ T1794] RSP: 002b:00007ffe13093988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.051945][ T1794] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4b9b977bcb
[  105.052192][ T1794] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.052433][ T1794] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.052679][ T1794] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe13095bb0
[  105.052931][ T1794] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe13097847
| [  105.057193][ T1794] ------------[ cut here ]------------
| [  105.057369][ T1794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1794
| [  105.057681][ T1794] Modules linked in:
| [  105.058158][ T1794] Tainted: [W]=WARN
[  105.058303][ T1794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.058516][ T1794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.058738][ T1794] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.059274][ T1794] RSP: 0018:ffa00000052078f8 EFLAGS: 00010286
[  105.059486][ T1794] RAX: 00000000ffffffa6 RBX: ff1100000d6d6c80 RCX: 1ff4000000a40ee5
[  105.059732][ T1794] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6d3c
[  105.059990][ T1794] RBP: ff1100000fdd1000 R08: 1fe2200001adada9 R09: ff11000009652e80
[  105.060237][ T1794] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.060477][ T1794] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdd1000
[  105.060726][ T1794] FS:  00007f4b9b6b5840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.061025][ T1794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.061235][ T1794] CR2: 00007f4b9b8c1690 CR3: 00000000100cd002 CR4: 0000000000771ef0
[  105.061482][ T1794] PKRU: 55555554
[  105.061633][ T1794] Call Trace:
[  105.061777][ T1794]  <TASK>
[  105.061904][ T1794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.062096][ T1794]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.062277][ T1794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.062426][ T1794]  register_netdevice (net/core/dev.c:11488)
[  105.062620][ T1794]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.062855][ T1794]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.063060][ T1794]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  105.063243][ T1794]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  105.063422][ T1794]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  105.063612][ T1794]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  105.063792][ T1794]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  105.063995][ T1794]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  105.064175][ T1794]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  105.064354][ T1794]  vti_init_net (net/ipv4/ip_vti.c:517)
[  105.064534][ T1794]  ops_init (net/core/net_namespace.c:137)
[  105.064683][ T1794]  setup_net (net/core/net_namespace.c:446)
[  105.064828][ T1794]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.065023][ T1794]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.065203][ T1794]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.065385][ T1794]  copy_net_ns (net/core/net_namespace.c:579)
[  105.065573][ T1794]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.065754][ T1794]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.065947][ T1794]  ksys_unshare (kernel/fork.c:3243)
[  105.066133][ T1794]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.066310][ T1794]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.066488][ T1794]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.066676][ T1794]  ? __ia32_sys_open (fs/open.c:1374)
[  105.066857][ T1794]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.067055][ T1794]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.067233][ T1794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.067410][ T1794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.067594][ T1794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.067773][ T1794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.068003][ T1794] RIP: 0033:0x7f4b9b977bcb
[  105.068189][ T1794] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.068702][ T1794] RSP: 002b:00007ffe13093988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.068959][ T1794] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4b9b977bcb
[  105.069210][ T1794] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.069450][ T1794] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.069696][ T1794] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe13095bb0
[  105.069949][ T1794] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe13097847
| [  105.074449][ T1794] ------------[ cut here ]------------
| [  105.074626][ T1794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1794
| [  105.074938][ T1794] Modules linked in:
| [  105.075396][ T1794] Tainted: [W]=WARN
[  105.075544][ T1794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.075750][ T1794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.075985][ T1794] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.076492][ T1794] RSP: 0018:ffa0000005207a78 EFLAGS: 00010286
[  105.076709][ T1794] RAX: 00000000ffffffa6 RBX: ff1100000c084ac0 RCX: 1ff4000000a40f15
[  105.076964][ T1794] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c084b7c
[  105.077217][ T1794] RBP: ff11000010411000 R08: 1fe2200001810971 R09: ff11000009652e80
[  105.077455][ T1794] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.077701][ T1794] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010411000
[  105.077950][ T1794] FS:  00007f4b9b6b5840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.078233][ T1794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.078441][ T1794] CR2: 00007f4b9b8c1690 CR3: 00000000100cd002 CR4: 0000000000771ef0
[  105.078690][ T1794] PKRU: 55555554
[  105.078835][ T1794] Call Trace:
[  105.078992][ T1794]  <TASK>
[  105.079107][ T1794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.079301][ T1794]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.079480][ T1794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.079631][ T1794]  register_netdevice (net/core/dev.c:11488)
[  105.079810][ T1794]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.080039][ T1794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.080220][ T1794]  register_netdev (net/core/dev.c:11552)
[  105.080398][ T1794]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[  105.080585][ T1794]  ops_init (net/core/net_namespace.c:137)
[  105.080735][ T1794]  setup_net (net/core/net_namespace.c:446)
[  105.080892][ T1794]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.081079][ T1794]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.081257][ T1794]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.081436][ T1794]  copy_net_ns (net/core/net_namespace.c:579)
[  105.081623][ T1794]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.081802][ T1794]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.082002][ T1794]  ksys_unshare (kernel/fork.c:3243)
[  105.082181][ T1794]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.082357][ T1794]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.082535][ T1794]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.082714][ T1794]  ? __ia32_sys_open (fs/open.c:1374)
[  105.082905][ T1794]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.083094][ T1794]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.083276][ T1794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.083452][ T1794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.083637][ T1794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.083814][ T1794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.084045][ T1794] RIP: 0033:0x7f4b9b977bcb
[  105.084229][ T1794] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.084743][ T1794] RSP: 002b:00007ffe13093988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.085005][ T1794] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4b9b977bcb
[  105.085245][ T1794] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.085480][ T1794] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.085724][ T1794] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe13095bb0
[  105.085982][ T1794] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe13097847
| [  105.097580][ T1794] ------------[ cut here ]------------
| [  105.097736][ T1794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1794
| [  105.098008][ T1794] Modules linked in:
| [  105.098371][ T1794] Tainted: [W]=WARN
[  105.098469][ T1794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.098633][ T1794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.098799][ T1794] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.099271][ T1794] RSP: 0018:ffa0000005207a68 EFLAGS: 00010286
[  105.099433][ T1794] RAX: 00000000ffffffa6 RBX: ff1100000f1b6740 RCX: 1ff4000000a40f13
[  105.099629][ T1794] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b67fc
[  105.099820][ T1794] RBP: ff11000012acc000 R08: 1fe2200001e36d01 R09: ff11000009652e80
[  105.100026][ T1794] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.100219][ T1794] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012acc000
[  105.100411][ T1794] FS:  00007f4b9b6b5840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.100639][ T1794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.100800][ T1794] CR2: 00007f5795208574 CR3: 00000000100cd005 CR4: 0000000000771ef0
[  105.101006][ T1794] PKRU: 55555554
[  105.101101][ T1794] Call Trace:
[  105.101197][ T1794]  <TASK>
[  105.101263][ T1794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.101391][ T1794]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.101521][ T1794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.101619][ T1794]  register_netdevice (net/core/dev.c:11488)
[  105.101749][ T1794]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.101915][ T1794]  register_netdev (net/core/dev.c:11552)
[  105.102047][ T1794]  sit_init_net (net/ipv6/sit.c:1860)
[  105.102176][ T1794]  ops_init (net/core/net_namespace.c:137)
[  105.102275][ T1794]  setup_net (net/core/net_namespace.c:446)
[  105.102372][ T1794]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.102499][ T1794]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.102630][ T1794]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.102761][ T1794]  copy_net_ns (net/core/net_namespace.c:579)
[  105.102895][ T1794]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.103032][ T1794]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.103159][ T1794]  ksys_unshare (kernel/fork.c:3243)
[  105.103287][ T1794]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.103415][ T1794]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.103548][ T1794]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.103675][ T1794]  ? __ia32_sys_open (fs/open.c:1374)
[  105.103805][ T1794]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.103938][ T1794]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.104070][ T1794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.104197][ T1794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.104324][ T1794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.104452][ T1794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.104612][ T1794] RIP: 0033:0x7f4b9b977bcb
[  105.104746][ T1794] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.105204][ T1794] RSP: 002b:00007ffe13093988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.105397][ T1794] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4b9b977bcb
[  105.105588][ T1794] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.105776][ T1794] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.105975][ T1794] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe13095bb0
[  105.106168][ T1794] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe13097847
| [  105.110459][ T1794] ------------[ cut here ]------------
| [  105.110598][ T1794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1794
| [  105.110852][ T1794] Modules linked in:
| [  105.111222][ T1794] Tainted: [W]=WARN
[  105.111319][ T1794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.111479][ T1794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.111650][ T1794] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.112112][ T1794] RSP: 0018:ffa0000005207a78 EFLAGS: 00010286
[  105.112275][ T1794] RAX: 00000000ffffffa6 RBX: ff110000126bfc40 RCX: 1ff4000000a40f15
[  105.112469][ T1794] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bfcfc
[  105.112664][ T1794] RBP: ff11000010471000 R08: 1fe22000024d7fa1 R09: ff11000009652e80
[  105.112856][ T1794] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.113057][ T1794] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010471000
[  105.113251][ T1794] FS:  00007f4b9b6b5840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.113476][ T1794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.113643][ T1794] CR2: 00007f5795208574 CR3: 00000000100cd005 CR4: 0000000000771ef0
[  105.113837][ T1794] PKRU: 55555554
[  105.113941][ T1794] Call Trace:
[  105.114044][ T1794]  <TASK>
[  105.114111][ T1794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.114240][ T1794]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.114369][ T1794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.114468][ T1794]  register_netdevice (net/core/dev.c:11488)
[  105.114601][ T1794]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.114760][ T1794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.114896][ T1794]  register_netdev (net/core/dev.c:11552)
[  105.115031][ T1794]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[  105.115162][ T1794]  ops_init (net/core/net_namespace.c:137)
[  105.115260][ T1794]  setup_net (net/core/net_namespace.c:446)
[  105.115358][ T1794]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.115486][ T1794]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.115616][ T1794]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.115745][ T1794]  copy_net_ns (net/core/net_namespace.c:579)
[  105.115882][ T1794]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.116019][ T1794]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.116148][ T1794]  ksys_unshare (kernel/fork.c:3243)
[  105.116276][ T1794]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.116404][ T1794]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.116537][ T1794]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.116669][ T1794]  ? __ia32_sys_open (fs/open.c:1374)
[  105.116800][ T1794]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.116935][ T1794]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.117070][ T1794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.117199][ T1794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.117328][ T1794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.117456][ T1794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.117619][ T1794] RIP: 0033:0x7f4b9b977bcb
[  105.117754][ T1794] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.118229][ T1794] RSP: 002b:00007ffe13093988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.118424][ T1794] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4b9b977bcb
[  105.118619][ T1794] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.118812][ T1794] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.119013][ T1794] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe13095bb0
[  105.119205][ T1794] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe13097847
| [  105.151308][ T1795] ------------[ cut here ]------------
| [  105.151454][ T1795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1795
| [  105.151715][ T1795] Modules linked in:
| [  105.152089][ T1795] Tainted: [W]=WARN
[  105.152192][ T1795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.152353][ T1795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.152522][ T1795] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.152986][ T1795] RSP: 0018:ffa0000005217020 EFLAGS: 00010286
[  105.153149][ T1795] RAX: 00000000ffffffa6 RBX: ff1100000d5123c0 RCX: 1ff4000000a42dca
[  105.153339][ T1795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51247c
[  105.153534][ T1795] RBP: ff11000009b24000 R08: 1fe2200001aa2491 R09: ff11000009650b58
[  105.153727][ T1795] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  105.153932][ T1795] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  105.154130][ T1795] FS:  00007f02629dc840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.154355][ T1795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.154518][ T1795] CR2: 000000003e068988 CR3: 0000000010afe001 CR4: 0000000000771ef0
[  105.154714][ T1795] PKRU: 55555554
[  105.154812][ T1795] Call Trace:
[  105.154914][ T1795]  <TASK>
[  105.154984][ T1795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.155120][ T1795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.155218][ T1795]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  105.155347][ T1795]  __dev_notify_flags (net/core/dev.c:9787)
[  105.155477][ T1795]  ? netif_change_name (net/core/dev.c:1495)
[  105.155610][ T1795]  ? __dev_change_flags (net/core/dev.c:9752)
[  105.155740][ T1795]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  105.155874][ T1795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.156010][ T1795]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  105.156141][ T1795]  netif_change_flags (net/core/dev.c:9820)
[  105.156270][ T1795]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  105.156400][ T1795]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  105.156536][ T1795]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  105.156665][ T1795]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  105.156826][ T1795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.157043][ T1795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.157172][ T1795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  105.157364][ T1795]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.157494][ T1795]  ? __kernel_text_address (kernel/extable.c:79)
[  105.157628][ T1795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.157757][ T1795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.157975][ T1795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.158105][ T1795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.158233][ T1795]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  105.158363][ T1795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.158490][ T1795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.158622][ T1795]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  105.158752][ T1795]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  105.158949][ T1795]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  105.159083][ T1795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.159214][ T1795]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  105.159346][ T1795]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  105.159477][ T1795]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  105.159611][ T1795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.159740][ T1795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.159942][ T1795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.160078][ T1795]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  105.160206][ T1795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.160337][ T1795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.160464][ T1795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.160596][ T1795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.160724][ T1795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.160856][ T1795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.160997][ T1795]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  105.161129][ T1795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.161257][ T1795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.161385][ T1795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.161519][ T1795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.161646][ T1795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.161774][ T1795]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  105.161910][ T1795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.162044][ T1795]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.162175][ T1795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  105.162302][ T1795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  105.162432][ T1795]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.162566][ T1795]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.162694][ T1795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.162825][ T1795]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  105.162960][ T1795]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  105.163096][ T1795]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  105.163227][ T1795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  105.163355][ T1795]  ? copy_msghdr_from_user (net/socket.c:2635)
[  105.163484][ T1795]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  105.163644][ T1795]  ? move_addr_to_kernel (net/socket.c:258)
[  105.163776][ T1795]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.163910][ T1795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.164045][ T1795]  ___sys_sendmsg (net/socket.c:2752)
[  105.164173][ T1795]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  105.164333][ T1795]  ? copy_msghdr_from_user (net/socket.c:2603)
[  105.164475][ T1795]  __sys_sendmsg (net/socket.c:2784)
[  105.164608][ T1795]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  105.164735][ T1795]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  105.164902][ T1795]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.165036][ T1795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.165164][ T1795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.165291][ T1795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.165419][ T1795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.165550][ T1795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.165710][ T1795] RIP: 0033:0x7f0262c1608e
[  105.165845][ T1795] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  105.166310][ T1795] RSP: 002b:00007fff263cae00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.166505][ T1795] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0262c1608e
[  105.166700][ T1795] RDX: 0000000000000000 RSI: 00007fff263caeb0 RDI: 0000000000000005
[  105.166896][ T1795] RBP: 00007fff263cae10 R08: 0000000000000000 R09: 0000000000000000
[  105.167095][ T1795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd55
[  105.167288][ T1795] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff263cb580
| [  105.363764][ T1803] ------------[ cut here ]------------
| [  105.363980][ T1803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1803
| [  105.364288][ T1803] Modules linked in:
| [  105.364758][ T1803] Tainted: [W]=WARN
[  105.364915][ T1803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.365135][ T1803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.365351][ T1803] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.365963][ T1803] RSP: 0018:ffa0000005297a80 EFLAGS: 00010286
[  105.366250][ T1803] RAX: 00000000ffffffa6 RBX: ff1100000d6371c0 RCX: 1ff4000000a52f16
[  105.366563][ T1803] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63727c
[  105.366854][ T1803] RBP: ff110000086a9000 R08: 1fe2200001ac6e51 R09: ff1100000619ae80
[  105.367169][ T1803] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.367430][ T1803] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000086a9000
[  105.367677][ T1803] FS:  00007f4e989d9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.367964][ T1803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.368181][ T1803] CR2: 00007f4e98bdac20 CR3: 0000000012bb6005 CR4: 0000000000771ef0
[  105.368424][ T1803] PKRU: 55555554
[  105.368575][ T1803] Call Trace:
[  105.368718][ T1803]  <TASK>
[  105.368832][ T1803]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.369026][ T1803]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.369204][ T1803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.369351][ T1803]  register_netdevice (net/core/dev.c:11488)
[  105.369535][ T1803]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.369744][ T1803]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.369933][ T1803]  register_netdev (net/core/dev.c:11552)
[  105.370117][ T1803]  loopback_net_init (drivers/net/loopback.c:218)
[  105.370295][ T1803]  ops_init (net/core/net_namespace.c:137)
[  105.370442][ T1803]  setup_net (net/core/net_namespace.c:446)
[  105.370594][ T1803]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.370769][ T1803]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.370961][ T1803]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.371147][ T1803]  copy_net_ns (net/core/net_namespace.c:579)
[  105.371325][ T1803]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.371504][ T1803]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.371689][ T1803]  ksys_unshare (kernel/fork.c:3243)
[  105.371879][ T1803]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.372068][ T1803]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.372248][ T1803]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.372427][ T1803]  ? __ia32_sys_open (fs/open.c:1374)
[  105.372617][ T1803]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.372792][ T1803]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.372987][ T1803]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.373163][ T1803]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.373340][ T1803]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.373524][ T1803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.373735][ T1803] RIP: 0033:0x7f4e98c9bbcb
[  105.373929][ T1803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.374439][ T1803] RSP: 002b:00007ffd3ef4c448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.374689][ T1803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4e98c9bbcb
[  105.374941][ T1803] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.375185][ T1803] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.375425][ T1803] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ef4e670
[  105.375674][ T1803] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ef4f847
| [  105.387569][ T1803] ------------[ cut here ]------------
| [  105.387747][ T1803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1803
| [  105.388078][ T1803] Modules linked in:
| [  105.388531][ T1803] Tainted: [W]=WARN
[  105.388676][ T1803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.388895][ T1803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.389118][ T1803] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.389625][ T1803] RSP: 0018:ffa0000005297918 EFLAGS: 00010286
[  105.389834][ T1803] RAX: 00000000ffffffa6 RBX: ff1100000d31a3c0 RCX: 1ff4000000a52ee9
[  105.390090][ T1803] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a47c
[  105.390329][ T1803] RBP: ff110000092c4000 R08: 1fe2200001a63491 R09: ff1100000619ae80
[  105.390574][ T1803] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.390810][ T1803] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092c4000
[  105.391075][ T1803] FS:  00007f4e989d9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.391348][ T1803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.391562][ T1803] CR2: 00007f4e98bdac20 CR3: 0000000012bb6005 CR4: 0000000000771ef0
[  105.391800][ T1803] PKRU: 55555554
[  105.391955][ T1803] Call Trace:
[  105.392106][ T1803]  <TASK>
[  105.392219][ T1803]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.392397][ T1803]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.392580][ T1803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.392727][ T1803]  register_netdevice (net/core/dev.c:11488)
[  105.392916][ T1803]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.393129][ T1803]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.393305][ T1803]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  105.393481][ T1803]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  105.393660][ T1803]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  105.393837][ T1803]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  105.394029][ T1803]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  105.394209][ T1803]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[  105.394385][ T1803]  ops_init (net/core/net_namespace.c:137)
[  105.394533][ T1803]  setup_net (net/core/net_namespace.c:446)
[  105.394678][ T1803]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.394851][ T1803]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.395048][ T1803]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.395226][ T1803]  copy_net_ns (net/core/net_namespace.c:579)
[  105.395402][ T1803]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.395588][ T1803]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.395764][ T1803]  ksys_unshare (kernel/fork.c:3243)
[  105.395951][ T1803]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.396136][ T1803]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.396312][ T1803]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.396489][ T1803]  ? __ia32_sys_open (fs/open.c:1374)
[  105.396672][ T1803]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.396846][ T1803]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.397043][ T1803]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.397221][ T1803]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.397396][ T1803]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.397581][ T1803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.397786][ T1803] RIP: 0033:0x7f4e98c9bbcb
[  105.397987][ T1803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.398484][ T1803] RSP: 002b:00007ffd3ef4c448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.398728][ T1803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4e98c9bbcb
[  105.398986][ T1803] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.399225][ T1803] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.399461][ T1803] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ef4e670
[  105.399707][ T1803] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ef4f847
| [  105.403925][ T1803] ------------[ cut here ]------------
| [  105.404107][ T1803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1803
| [  105.404411][ T1803] Modules linked in:
| [  105.404890][ T1803] Tainted: [W]=WARN
[  105.405044][ T1803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.405256][ T1803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.405473][ T1803] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.406003][ T1803] RSP: 0018:ffa00000052978f8 EFLAGS: 00010286
[  105.406216][ T1803] RAX: 00000000ffffffa6 RBX: ff1100000f1b5e00 RCX: 1ff4000000a52ee5
[  105.406457][ T1803] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b5ebc
[  105.406704][ T1803] RBP: ff1100000eff9000 R08: 1fe2200001e36bd9 R09: ff1100000619ae80
[  105.406958][ T1803] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.407208][ T1803] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eff9000
[  105.407450][ T1803] FS:  00007f4e989d9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.407730][ T1803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.407951][ T1803] CR2: 00007f4e98bdac20 CR3: 0000000012bb6005 CR4: 0000000000771ef0
[  105.408205][ T1803] PKRU: 55555554
[  105.408350][ T1803] Call Trace:
[  105.408494][ T1803]  <TASK>
[  105.408617][ T1803]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.408796][ T1803]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.408991][ T1803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.409139][ T1803]  register_netdevice (net/core/dev.c:11488)
[  105.409319][ T1803]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.409531][ T1803]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.409710][ T1803]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  105.409899][ T1803]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  105.410082][ T1803]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  105.410263][ T1803]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  105.410441][ T1803]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  105.410626][ T1803]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  105.410805][ T1803]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  105.411005][ T1803]  vti_init_net (net/ipv4/ip_vti.c:517)
[  105.411187][ T1803]  ops_init (net/core/net_namespace.c:137)
[  105.411338][ T1803]  setup_net (net/core/net_namespace.c:446)
[  105.411484][ T1803]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.411664][ T1803]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.411844][ T1803]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.412047][ T1803]  copy_net_ns (net/core/net_namespace.c:579)
[  105.412231][ T1803]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.412414][ T1803]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.412600][ T1803]  ksys_unshare (kernel/fork.c:3243)
[  105.412778][ T1803]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.412976][ T1803]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.413157][ T1803]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.413335][ T1803]  ? __ia32_sys_open (fs/open.c:1374)
[  105.413518][ T1803]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.413697][ T1803]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.413885][ T1803]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.414075][ T1803]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.414256][ T1803]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.414435][ T1803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.414650][ T1803] RIP: 0033:0x7f4e98c9bbcb
[  105.414832][ T1803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.415351][ T1803] RSP: 002b:00007ffd3ef4c448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.415601][ T1803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4e98c9bbcb
[  105.415841][ T1803] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.416102][ T1803] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.416344][ T1803] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ef4e670
[  105.416590][ T1803] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ef4f847
| [  105.421098][ T1803] ------------[ cut here ]------------
| [  105.421279][ T1803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1803
| [  105.421584][ T1803] Modules linked in:
| [  105.422059][ T1803] Tainted: [W]=WARN
[  105.422202][ T1803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.422410][ T1803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.422631][ T1803] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.423153][ T1803] RSP: 0018:ffa0000005297a78 EFLAGS: 00010286
[  105.423363][ T1803] RAX: 00000000ffffffa6 RBX: ff1100000d636040 RCX: 1ff4000000a52f15
[  105.423610][ T1803] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6360fc
[  105.423851][ T1803] RBP: ff11000010901000 R08: 1fe2200001ac6c21 R09: ff1100000619ae80
[  105.424112][ T1803] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.424353][ T1803] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010901000
[  105.424600][ T1803] FS:  00007f4e989d9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.424886][ T1803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.425108][ T1803] CR2: 00007f4e98bdac20 CR3: 0000000012bb6005 CR4: 0000000000771ef0
[  105.425353][ T1803] PKRU: 55555554
[  105.425495][ T1803] Call Trace:
[  105.425646][ T1803]  <TASK>
[  105.425759][ T1803]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.425949][ T1803]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.426136][ T1803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.426282][ T1803]  register_netdevice (net/core/dev.c:11488)
[  105.426458][ T1803]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.426675][ T1803]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.426855][ T1803]  register_netdev (net/core/dev.c:11552)
[  105.427054][ T1803]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[  105.427235][ T1803]  ops_init (net/core/net_namespace.c:137)
[  105.427382][ T1803]  setup_net (net/core/net_namespace.c:446)
[  105.427531][ T1803]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.427706][ T1803]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.427897][ T1803]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.428084][ T1803]  copy_net_ns (net/core/net_namespace.c:579)
[  105.428261][ T1803]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.428438][ T1803]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.428622][ T1803]  ksys_unshare (kernel/fork.c:3243)
[  105.428800][ T1803]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.428993][ T1803]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.429172][ T1803]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.429350][ T1803]  ? __ia32_sys_open (fs/open.c:1374)
[  105.429532][ T1803]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.429709][ T1803]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.429899][ T1803]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.430080][ T1803]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.430257][ T1803]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.430433][ T1803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.430648][ T1803] RIP: 0033:0x7f4e98c9bbcb
[  105.430829][ T1803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.431350][ T1803] RSP: 002b:00007ffd3ef4c448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.431602][ T1803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4e98c9bbcb
[  105.431840][ T1803] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.432111][ T1803] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.432352][ T1803] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ef4e670
[  105.432601][ T1803] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ef4f847
| [  105.437519][ T1803] ------------[ cut here ]------------
| [  105.437695][ T1803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1803
| [  105.438017][ T1803] Modules linked in:
| [  105.438569][ T1803] Tainted: [W]=WARN
[  105.438713][ T1803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.439031][ T1803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.439252][ T1803] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.439850][ T1803] RSP: 0018:ffa0000005297a68 EFLAGS: 00010286
[  105.440606][ T1803] RAX: 00000000ffffffa6 RBX: ff1100000fe903c0 RCX: 1ff4000000a52f13
[  105.440920][ T1803] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9047c
[  105.441223][ T1803] RBP: ff1100000a1b4000 R08: 1fe2200001fd2091 R09: ff1100000619ae80
[  105.441524][ T1803] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  105.441819][ T1803] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a1b4000
[  105.442141][ T1803] FS:  00007f4e989d9840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.442469][ T1803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.442752][ T1803] CR2: 00007f4e98bdac20 CR3: 0000000012bb6005 CR4: 0000000000771ef0
[  105.443069][ T1803] PKRU: 55555554
[  105.443266][ T1803] Call Trace:
[  105.443463][ T1803]  <TASK>
[  105.443640][ T1803]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.443887][ T1803]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.444130][ T1803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.444331][ T1803]  register_netdevice (net/core/dev.c:11488)
[  105.444572][ T1803]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.444839][ T1803]  register_netdev (net/core/dev.c:11552)
[  105.445094][ T1803]  sit_init_net (net/ipv6/sit.c:1860)
[  105.445328][ T1803]  ops_init (net/core/net_namespace.c:137)
[  105.445543][ T1803]  setup_net (net/core/net_namespace.c:446)
[  105.445743][ T1803]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.445998][ T1803]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.446233][ T1803]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.446465][ T1803]  copy_net_ns (net/core/net_namespace.c:579)
[  105.446705][ T1803]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.446949][ T1803]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.447191][ T1803]  ksys_unshare (kernel/fork.c:3243)
[  105.447423][ T1803]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.447664][ T1803]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.447910][ T1803]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.448155][ T1803]  ? __ia32_sys_open (fs/open.c:1374)
[  105.448391][ T1803]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.448631][ T1803]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.448934][ T1803]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.449171][ T1803]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.449399][ T1803]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.449638][ T1803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.449912][ T1803] RIP: 0033:0x7f4e98c9bbcb
[  105.450162][ T1803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.450737][ T1803] RSP: 002b:00007ffd3ef4c448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.451054][ T1803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4e98c9bbcb
[  105.451350][ T1803] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.451649][ T1803] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.451959][ T1803] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ef4e670
[  105.452260][ T1803] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ef4f847
| [  105.457848][ T1803] ------------[ cut here ]------------
| [  105.458018][ T1803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1803
| [  105.458275][ T1803] Modules linked in:
| [  105.458644][ T1803] Tainted: [W]=WARN
[  105.458742][ T1803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.458911][ T1803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.459088][ T1803] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.459554][ T1803] RSP: 0018:ffa0000005297a78 EFLAGS: 00010286
[  105.459717][ T1803] RAX: 00000000ffffffa6 RBX: ff1100000ca8d380 RCX: 1ff4000000a52f15
[  105.459917][ T1803] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d43c
[  105.460115][ T1803] RBP: ff11000006221000 R08: 1fe2200001951a89 R09: ff1100000619ae80
[  105.460309][ T1803] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  105.460503][ T1803] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006221000
[  105.460702][ T1803] FS:  00007f4e989d9840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  105.460937][ T1803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.461104][ T1803] CR2: 00007f0888a3e574 CR3: 0000000012bb6005 CR4: 0000000000771ef0
[  105.461302][ T1803] PKRU: 55555554
[  105.461399][ T1803] Call Trace:
[  105.461496][ T1803]  <TASK>
[  105.461566][ T1803]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.461696][ T1803]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.461823][ T1803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.461930][ T1803]  register_netdevice (net/core/dev.c:11488)
[  105.462065][ T1803]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.462230][ T1803]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.462362][ T1803]  register_netdev (net/core/dev.c:11552)
[  105.462491][ T1803]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[  105.462626][ T1803]  ops_init (net/core/net_namespace.c:137)
[  105.462726][ T1803]  setup_net (net/core/net_namespace.c:446)
[  105.462824][ T1803]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.462959][ T1803]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.463096][ T1803]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.463228][ T1803]  copy_net_ns (net/core/net_namespace.c:579)
[  105.463359][ T1803]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.463491][ T1803]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.463624][ T1803]  ksys_unshare (kernel/fork.c:3243)
[  105.463754][ T1803]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.463889][ T1803]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.464026][ T1803]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.464156][ T1803]  ? __ia32_sys_open (fs/open.c:1374)
[  105.464287][ T1803]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.464415][ T1803]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.464548][ T1803]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.464678][ T1803]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.464807][ T1803]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.464946][ T1803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.465112][ T1803] RIP: 0033:0x7f4e98c9bbcb
[  105.465247][ T1803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.465709][ T1803] RSP: 002b:00007ffd3ef4c448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  105.465912][ T1803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4e98c9bbcb
[  105.466108][ T1803] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.466299][ T1803] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.466490][ T1803] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ef4e670
[  105.466685][ T1803] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ef4f847
| [  105.491057][ T1804] ------------[ cut here ]------------
| [  105.491200][ T1804] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1804
| [  105.491453][ T1804] Modules linked in:
| [  105.491814][ T1804] Tainted: [W]=WARN
[  105.491915][ T1804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.492081][ T1804] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.492247][ T1804] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.492706][ T1804] RSP: 0018:ffa00000052a7020 EFLAGS: 00010286
[  105.493565][ T1804] RAX: 00000000ffffffa6 RBX: ff11000009a003c0 RCX: 1ff4000000a54dca
[  105.493758][ T1804] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0047c
[  105.493999][ T1804] RBP: ff110000086a9000 R08: 1fe2200001340091 R09: ff11000006198b58
[  105.494189][ T1804] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  105.494378][ T1804] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  105.494573][ T1804] FS:  00007f6ad75b2840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.494797][ T1804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.494966][ T1804] CR2: 00007f6ad78821a0 CR3: 0000000009bc7002 CR4: 0000000000771ef0
[  105.495168][ T1804] PKRU: 55555554
[  105.495264][ T1804] Call Trace:
[  105.495358][ T1804]  <TASK>
[  105.495424][ T1804]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.495555][ T1804]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.495652][ T1804]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  105.495780][ T1804]  __dev_notify_flags (net/core/dev.c:9787)
[  105.495914][ T1804]  ? netif_change_name (net/core/dev.c:1495)
[  105.496047][ T1804]  ? __dev_change_flags (net/core/dev.c:9752)
[  105.496176][ T1804]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  105.496305][ T1804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.496434][ T1804]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  105.496572][ T1804]  netif_change_flags (net/core/dev.c:9820)
[  105.496702][ T1804]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  105.496832][ T1804]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  105.496976][ T1804]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  105.497107][ T1804]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  105.497272][ T1804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.497400][ T1804]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.497533][ T1804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  105.497662][ T1804]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.497793][ T1804]  ? __kernel_text_address (kernel/extable.c:79)
[  105.497928][ T1804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.498062][ T1804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.498191][ T1804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.498320][ T1804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.498447][ T1804]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  105.498578][ T1804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.498706][ T1804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.498833][ T1804]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  105.498968][ T1804]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  105.499103][ T1804]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  105.499231][ T1804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.499361][ T1804]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  105.499492][ T1804]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  105.499629][ T1804]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  105.499760][ T1804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.499893][ T1804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.500030][ T1804]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.500158][ T1804]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  105.500285][ T1804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.500415][ T1804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.500547][ T1804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.500676][ T1804]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.500803][ T1804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.500938][ T1804]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.501072][ T1804]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  105.501202][ T1804]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.501328][ T1804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.501455][ T1804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.501590][ T1804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.501717][ T1804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.501847][ T1804]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  105.501987][ T1804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.502116][ T1804]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.502248][ T1804]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  105.502376][ T1804]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  105.502510][ T1804]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.502643][ T1804]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.502771][ T1804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.502907][ T1804]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  105.503043][ T1804]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  105.503172][ T1804]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  105.503303][ T1804]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  105.503431][ T1804]  ? copy_msghdr_from_user (net/socket.c:2635)
[  105.503565][ T1804]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  105.503726][ T1804]  ? move_addr_to_kernel (net/socket.c:258)
[  105.503856][ T1804]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.503994][ T1804]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.504125][ T1804]  ___sys_sendmsg (net/socket.c:2752)
[  105.504252][ T1804]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  105.504410][ T1804]  ? copy_msghdr_from_user (net/socket.c:2603)
[  105.504556][ T1804]  __sys_sendmsg (net/socket.c:2784)
[  105.504686][ T1804]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  105.504813][ T1804]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  105.504989][ T1804]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.505119][ T1804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.505249][ T1804]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.505377][ T1804]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.505506][ T1804]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.505637][ T1804]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.505796][ T1804] RIP: 0033:0x7f6ad77ec08e
[  105.505936][ T1804] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  105.506399][ T1804] RSP: 002b:00007fff09036fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.506597][ T1804] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6ad77ec08e
[  105.506787][ T1804] RDX: 0000000000000000 RSI: 00007fff09037080 RDI: 0000000000000005
[  105.506989][ T1804] RBP: 00007fff09036fe0 R08: 0000000000000000 R09: 0000000000000000
[  105.507183][ T1804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd55
[  105.507376][ T1804] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff09037750
| [  105.711592][ T1812] ------------[ cut here ]------------
| [  105.711746][ T1812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1812
| [  105.712021][ T1812] Modules linked in:
| [  105.712393][ T1812] Tainted: [W]=WARN
[  105.712492][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.712659][ T1812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.712829][ T1812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.713307][ T1812] RSP: 0018:ffa0000005317a80 EFLAGS: 00010286
[  105.713472][ T1812] RAX: 00000000ffffffa6 RBX: ff1100000b7d43c0 RCX: 1ff4000000a62f16
[  105.713673][ T1812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d447c
[  105.713874][ T1812] RBP: ff110000092cc000 R08: 1fe22000016fa891 R09: ff11000010270b80
[  105.714076][ T1812] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.714268][ T1812] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092cc000
[  105.714465][ T1812] FS:  00007faea1e9f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.714706][ T1812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.714875][ T1812] CR2: 00007faea20a6430 CR3: 00000000049f2006 CR4: 0000000000771ef0
[  105.715078][ T1812] PKRU: 55555554
[  105.715177][ T1812] Call Trace:
[  105.715275][ T1812]  <TASK>
[  105.715343][ T1812]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.715476][ T1812]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.715612][ T1812]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.715711][ T1812]  register_netdevice (net/core/dev.c:11488)
[  105.715842][ T1812]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.716012][ T1812]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.716145][ T1812]  register_netdev (net/core/dev.c:11552)
[  105.716275][ T1812]  loopback_net_init (drivers/net/loopback.c:218)
[  105.716407][ T1812]  ops_init (net/core/net_namespace.c:137)
[  105.716512][ T1812]  setup_net (net/core/net_namespace.c:446)
[  105.716611][ T1812]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.716740][ T1812]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.716876][ T1812]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.717016][ T1812]  copy_net_ns (net/core/net_namespace.c:579)
[  105.717149][ T1812]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.717284][ T1812]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.717415][ T1812]  ksys_unshare (kernel/fork.c:3243)
[  105.717549][ T1812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.717681][ T1812]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.717813][ T1812]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.717950][ T1812]  ? __ia32_sys_open (fs/open.c:1374)
[  105.718089][ T1812]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.718219][ T1812]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.718350][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.718481][ T1812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.718614][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.718746][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.718913][ T1812] RIP: 0033:0x7faea2161bcb
[  105.719054][ T1812] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.719521][ T1812] RSP: 002b:00007ffeda606c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[  105.719718][ T1812] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faea2161bcb
[  105.719920][ T1812] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.720123][ T1812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.720320][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeda608e60
[  105.720519][ T1812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeda609847
| [  105.724727][ T1812] ------------[ cut here ]------------
| [  105.724863][ T1812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1812
| [  105.725133][ T1812] Modules linked in:
| [  105.725494][ T1812] Tainted: [W]=WARN
[  105.725595][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.725755][ T1812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.725930][ T1812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.726399][ T1812] RSP: 0018:ffa0000005317918 EFLAGS: 00010286
[  105.726565][ T1812] RAX: 00000000ffffffa6 RBX: ff1100000d473c40 RCX: 1ff4000000a62ee9
[  105.726757][ T1812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d473cfc
[  105.726954][ T1812] RBP: ff1100000f3f1000 R08: 1fe2200001a8e7a1 R09: ff11000010270b80
[  105.727154][ T1812] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.727348][ T1812] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3f1000
[  105.727549][ T1812] FS:  00007faea1e9f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.727776][ T1812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.727944][ T1812] CR2: 00007faea20a6430 CR3: 00000000049f2006 CR4: 0000000000771ef0
[  105.728146][ T1812] PKRU: 55555554
[  105.728243][ T1812] Call Trace:
[  105.728339][ T1812]  <TASK>
[  105.728405][ T1812]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.728539][ T1812]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.728668][ T1812]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.728769][ T1812]  register_netdevice (net/core/dev.c:11488)
[  105.728909][ T1812]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.729076][ T1812]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.729208][ T1812]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  105.729339][ T1812]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  105.729468][ T1812]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  105.729604][ T1812]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  105.729734][ T1812]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  105.729871][ T1812]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[  105.730009][ T1812]  ops_init (net/core/net_namespace.c:137)
[  105.730108][ T1812]  setup_net (net/core/net_namespace.c:446)
[  105.730206][ T1812]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.730334][ T1812]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.730461][ T1812]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.730597][ T1812]  copy_net_ns (net/core/net_namespace.c:579)
[  105.730730][ T1812]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.730864][ T1812]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.731004][ T1812]  ksys_unshare (kernel/fork.c:3243)
[  105.731134][ T1812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.731263][ T1812]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.731393][ T1812]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.731527][ T1812]  ? __ia32_sys_open (fs/open.c:1374)
[  105.731660][ T1812]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.731791][ T1812]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.731924][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.732058][ T1812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.732186][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.732317][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.732476][ T1812] RIP: 0033:0x7faea2161bcb
[  105.732615][ T1812] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.733086][ T1812] RSP: 002b:00007ffeda606c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[  105.733281][ T1812] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faea2161bcb
[  105.733475][ T1812] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.733672][ T1812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.733871][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeda608e60
[  105.734070][ T1812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeda609847
| [  105.737872][ T1812] ------------[ cut here ]------------
| [  105.738012][ T1812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1812
| [  105.738269][ T1812] Modules linked in:
| [  105.738637][ T1812] Tainted: [W]=WARN
[  105.738736][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.738906][ T1812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.739082][ T1812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.739552][ T1812] RSP: 0018:ffa00000053178f8 EFLAGS: 00010286
[  105.739718][ T1812] RAX: 00000000ffffffa6 RBX: ff1100000d512580 RCX: 1ff4000000a62ee5
[  105.739918][ T1812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51263c
[  105.740116][ T1812] RBP: ff11000012c09000 R08: 1fe2200001aa24c9 R09: ff11000010270b80
[  105.740312][ T1812] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.740512][ T1812] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012c09000
[  105.740800][ T1812] FS:  00007faea1e9f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.741041][ T1812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.741207][ T1812] CR2: 00007faea20a6430 CR3: 00000000049f2006 CR4: 0000000000771ef0
[  105.741494][ T1812] PKRU: 55555554
[  105.741596][ T1812] Call Trace:
[  105.741695][ T1812]  <TASK>
[  105.741763][ T1812]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.741990][ T1812]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.742123][ T1812]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.742223][ T1812]  register_netdevice (net/core/dev.c:11488)
[  105.742356][ T1812]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.742611][ T1812]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  105.742747][ T1812]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  105.742882][ T1812]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  105.743017][ T1812]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  105.743237][ T1812]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  105.743368][ T1812]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  105.743502][ T1812]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  105.743636][ T1812]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  105.743856][ T1812]  vti_init_net (net/ipv4/ip_vti.c:517)
[  105.743997][ T1812]  ops_init (net/core/net_namespace.c:137)
[  105.744098][ T1812]  setup_net (net/core/net_namespace.c:446)
[  105.744199][ T1812]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.744329][ T1812]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.744550][ T1812]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.744683][ T1812]  copy_net_ns (net/core/net_namespace.c:579)
[  105.744814][ T1812]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.745041][ T1812]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.745174][ T1812]  ksys_unshare (kernel/fork.c:3243)
[  105.745306][ T1812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.745437][ T1812]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.745571][ T1812]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.745789][ T1812]  ? __ia32_sys_open (fs/open.c:1374)
[  105.745926][ T1812]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.746061][ T1812]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.746192][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.746409][ T1812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.746546][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.746678][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.746932][ T1812] RIP: 0033:0x7faea2161bcb
[  105.747074][ T1812] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.747636][ T1812] RSP: 002b:00007ffeda606c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[  105.747832][ T1812] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faea2161bcb
[  105.748041][ T1812] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.748323][ T1812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.748520][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeda608e60
[  105.748803][ T1812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeda609847
| [  105.753313][ T1812] ------------[ cut here ]------------
| [  105.753451][ T1812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1812
| [  105.753793][ T1812] Modules linked in:
| [  105.754165][ T1812] Tainted: [W]=WARN
[  105.754352][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.754518][ T1812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.754685][ T1812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.755155][ T1812] RSP: 0018:ffa0000005317a78 EFLAGS: 00010286
[  105.755319][ T1812] RAX: 00000000ffffffa6 RBX: ff1100000b7d5000 RCX: 1ff4000000a62f15
[  105.755605][ T1812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d50bc
[  105.755797][ T1812] RBP: ff11000012b69000 R08: 1fe22000016faa19 R09: ff11000010270b80
[  105.756087][ T1812] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.756281][ T1812] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b69000
[  105.756477][ T1812] FS:  00007faea1e9f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.756795][ T1812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.756965][ T1812] CR2: 00007faea20a6430 CR3: 00000000049f2006 CR4: 0000000000771ef0
[  105.757164][ T1812] PKRU: 55555554
[  105.757346][ T1812] Call Trace:
[  105.757441][ T1812]  <TASK>
[  105.757511][ T1812]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.757641][ T1812]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.757773][ T1812]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.757965][ T1812]  register_netdevice (net/core/dev.c:11488)
[  105.758103][ T1812]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.758266][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.758397][ T1812]  register_netdev (net/core/dev.c:11552)
[  105.758617][ T1812]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[  105.758748][ T1812]  ops_init (net/core/net_namespace.c:137)
[  105.758847][ T1812]  setup_net (net/core/net_namespace.c:446)
[  105.758949][ T1812]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.759082][ T1812]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.759298][ T1812]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.759431][ T1812]  copy_net_ns (net/core/net_namespace.c:579)
[  105.759567][ T1812]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.759700][ T1812]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.759922][ T1812]  ksys_unshare (kernel/fork.c:3243)
[  105.760057][ T1812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.760186][ T1812]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.760316][ T1812]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.760536][ T1812]  ? __ia32_sys_open (fs/open.c:1374)
[  105.760669][ T1812]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.760800][ T1812]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.761026][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.761157][ T1812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.761287][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.761417][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.761668][ T1812] RIP: 0033:0x7faea2161bcb
[  105.761805][ T1812] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.762374][ T1812] RSP: 002b:00007ffeda606c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[  105.762572][ T1812] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faea2161bcb
[  105.762764][ T1812] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.763055][ T1812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.763249][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeda608e60
[  105.763534][ T1812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeda609847
| [  105.773709][ T1812] ------------[ cut here ]------------
| [  105.773847][ T1812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1812
| [  105.774199][ T1812] Modules linked in:
| [  105.774564][ T1812] Tainted: [W]=WARN
[  105.774749][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.774915][ T1812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.775086][ T1812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.775648][ T1812] RSP: 0018:ffa0000005317a68 EFLAGS: 00010286
[  105.775812][ T1812] RAX: 00000000ffffffa6 RBX: ff1100000fc4b700 RCX: 1ff4000000a62f13
[  105.776014][ T1812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b7bc
[  105.776208][ T1812] RBP: ff11000012d74000 R08: 1fe2200001f896f9 R09: ff11000010270b80
[  105.776487][ T1812] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.776683][ T1812] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012d74000
[  105.776882][ T1812] FS:  00007faea1e9f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.777202][ T1812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.777364][ T1812] CR2: 00007faea20a6430 CR3: 00000000049f2006 CR4: 0000000000771ef0
[  105.777561][ T1812] PKRU: 55555554
[  105.777743][ T1812] Call Trace:
[  105.777842][ T1812]  <TASK>
[  105.777915][ T1812]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.778050][ T1812]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.778179][ T1812]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.778367][ T1812]  register_netdevice (net/core/dev.c:11488)
[  105.778497][ T1812]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.778667][ T1812]  register_netdev (net/core/dev.c:11552)
[  105.778798][ T1812]  sit_init_net (net/ipv6/sit.c:1860)
[  105.779027][ T1812]  ops_init (net/core/net_namespace.c:137)
[  105.779127][ T1812]  setup_net (net/core/net_namespace.c:446)
[  105.779226][ T1812]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.779356][ T1812]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.779576][ T1812]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.779709][ T1812]  copy_net_ns (net/core/net_namespace.c:579)
[  105.779841][ T1812]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.779983][ T1812]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.780202][ T1812]  ksys_unshare (kernel/fork.c:3243)
[  105.780334][ T1812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.780465][ T1812]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.780601][ T1812]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.780821][ T1812]  ? __ia32_sys_open (fs/open.c:1374)
[  105.780960][ T1812]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.781096][ T1812]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.781226][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.781444][ T1812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.781579][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.781710][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.781875][ T1812] RIP: 0033:0x7faea2161bcb
[  105.782107][ T1812] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.782581][ T1812] RSP: 002b:00007ffeda606c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[  105.782872][ T1812] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faea2161bcb
[  105.783074][ T1812] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.783358][ T1812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.783554][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeda608e60
[  105.783750][ T1812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeda609847
| [  105.788839][ T1812] ------------[ cut here ]------------
| [  105.788985][ T1812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1812
| [  105.789242][ T1812] Modules linked in:
| [  105.789701][ T1812] Tainted: [W]=WARN
[  105.789799][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.789970][ T1812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.790238][ T1812] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.790803][ T1812] RSP: 0018:ffa0000005317a78 EFLAGS: 00010286
[  105.790977][ T1812] RAX: 00000000ffffffa6 RBX: ff1100000a9a71c0 RCX: 1ff4000000a62f15
[  105.791173][ T1812] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a727c
[  105.791457][ T1812] RBP: ff11000012dac000 R08: 1fe2200001534e51 R09: ff11000010270b80
[  105.791659][ T1812] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  105.791855][ T1812] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012dac000
[  105.792063][ T1812] FS:  00007faea1e9f840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  105.792293][ T1812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.792547][ T1812] CR2: 00007faea20a6430 CR3: 00000000049f2006 CR4: 0000000000771ef0
[  105.792745][ T1812] PKRU: 55555554
[  105.792842][ T1812] Call Trace:
[  105.792943][ T1812]  <TASK>
[  105.793017][ T1812]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.793237][ T1812]  ? notifier_call_chain (kernel/notifier.c:85)
[  105.793367][ T1812]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.793467][ T1812]  register_netdevice (net/core/dev.c:11488)
[  105.793605][ T1812]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  105.793856][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.794000][ T1812]  register_netdev (net/core/dev.c:11552)
[  105.794131][ T1812]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[  105.794264][ T1812]  ops_init (net/core/net_namespace.c:137)
[  105.794453][ T1812]  setup_net (net/core/net_namespace.c:446)
[  105.794553][ T1812]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  105.794684][ T1812]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  105.794815][ T1812]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  105.795047][ T1812]  copy_net_ns (net/core/net_namespace.c:579)
[  105.795179][ T1812]  create_new_namespaces (kernel/nsproxy.c:132)
[  105.795312][ T1812]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  105.795443][ T1812]  ksys_unshare (kernel/fork.c:3243)
[  105.795664][ T1812]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  105.795797][ T1812]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  105.795934][ T1812]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  105.796071][ T1812]  ? __ia32_sys_open (fs/open.c:1374)
[  105.796291][ T1812]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  105.796422][ T1812]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  105.796553][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.796682][ T1812]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.796905][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.797044][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.797206][ T1812] RIP: 0033:0x7faea2161bcb
[  105.797343][ T1812] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  105.797907][ T1812] RSP: 002b:00007ffeda606c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[  105.798196][ T1812] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faea2161bcb
[  105.798390][ T1812] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  105.798586][ T1812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  105.798874][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeda608e60
[  105.799075][ T1812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeda609847
| [  105.832354][ T1813] ------------[ cut here ]------------
| [  105.832538][ T1813] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1813
| [  105.832842][ T1813] Modules linked in:
| [  105.833324][ T1813] Tainted: [W]=WARN
[  105.833469][ T1813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.833687][ T1813] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  105.833913][ T1813] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  105.834433][ T1813] RSP: 0018:ffa0000005327020 EFLAGS: 00010286
[  105.834652][ T1813] RAX: 00000000ffffffa6 RBX: ff110000109b91c0 RCX: 1ff4000000a64dca
[  105.834957][ T1813] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b927c
[  105.835234][ T1813] RBP: ff110000092cc000 R08: 1fe2200002137251 R09: ff11000010275158
[  105.835511][ T1813] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  105.835811][ T1813] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  105.836073][ T1813] FS:  00007ff551445840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  105.836344][ T1813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.836568][ T1813] CR2: 0000000012df9988 CR3: 0000000012bb6003 CR4: 0000000000771ef0
[  105.836808][ T1813] PKRU: 55555554
[  105.836964][ T1813] Call Trace:
[  105.837118][ T1813]  <TASK>
[  105.837232][ T1813]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  105.837409][ T1813]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  105.837560][ T1813]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  105.837735][ T1813]  __dev_notify_flags (net/core/dev.c:9787)
[  105.837927][ T1813]  ? netif_change_name (net/core/dev.c:1495)
[  105.838112][ T1813]  ? __dev_change_flags (net/core/dev.c:9752)
[  105.838290][ T1813]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  105.838466][ T1813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.838651][ T1813]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  105.838830][ T1813]  netif_change_flags (net/core/dev.c:9820)
[  105.839026][ T1813]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  105.839205][ T1813]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  105.839383][ T1813]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  105.839569][ T1813]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  105.839778][ T1813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.839967][ T1813]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.840152][ T1813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  105.840326][ T1813]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.840502][ T1813]  ? __kernel_text_address (kernel/extable.c:79)
[  105.840687][ T1813]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.840882][ T1813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.841069][ T1813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.841247][ T1813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.841422][ T1813]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  105.841604][ T1813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.841780][ T1813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.841970][ T1813]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  105.842157][ T1813]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  105.842333][ T1813]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  105.842510][ T1813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  105.842691][ T1813]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  105.842885][ T1813]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  105.843076][ T1813]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  105.843255][ T1813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.843429][ T1813]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.843618][ T1813]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.843793][ T1813]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  105.843986][ T1813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.844167][ T1813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.844342][ T1813]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.844520][ T1813]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.844699][ T1813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  105.844888][ T1813]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  105.845076][ T1813]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  105.845255][ T1813]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.845430][ T1813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.845613][ T1813]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.845791][ T1813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  105.845989][ T1813]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  105.846169][ T1813]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  105.846348][ T1813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.846531][ T1813]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.846712][ T1813]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  105.846900][ T1813]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  105.847085][ T1813]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.847262][ T1813]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.847437][ T1813]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  105.847622][ T1813]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  105.847803][ T1813]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  105.848001][ T1813]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  105.848181][ T1813]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  105.848359][ T1813]  ? copy_msghdr_from_user (net/socket.c:2635)
[  105.848537][ T1813]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  105.848743][ T1813]  ? move_addr_to_kernel (net/socket.c:258)
[  105.848935][ T1813]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  105.849120][ T1813]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  105.849299][ T1813]  ___sys_sendmsg (net/socket.c:2752)
[  105.849475][ T1813]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  105.849686][ T1813]  ? copy_msghdr_from_user (net/socket.c:2603)
[  105.849888][ T1813]  __sys_sendmsg (net/socket.c:2784)
[  105.850073][ T1813]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  105.850248][ T1813]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  105.850461][ T1813]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.850646][ T1813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  105.850823][ T1813]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  105.851018][ T1813]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  105.851197][ T1813]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  105.851373][ T1813]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.851587][ T1813] RIP: 0033:0x7ff55167f08e
[  105.851770][ T1813] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  105.852292][ T1813] RSP: 002b:00007ffff4d5d540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.852534][ T1813] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff55167f08e
[  105.852771][ T1813] RDX: 0000000000000000 RSI: 00007ffff4d5d5f0 RDI: 0000000000000005
[  105.853027][ T1813] RBP: 00007ffff4d5d550 R08: 0000000000000000 R09: 0000000000000000
[  105.853266][ T1813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  105.853504][ T1813] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff4d5dcc0
| [  106.289111][ T1832] ------------[ cut here ]------------
| [  106.289278][ T1832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1832
| [  106.289553][ T1832] Modules linked in:
| [  106.289945][ T1832] Tainted: [W]=WARN
[  106.290052][ T1832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.290220][ T1832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.290395][ T1832] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.290881][ T1832] RSP: 0018:ffa0000005406e30 EFLAGS: 00010286
[  106.291059][ T1832] RAX: 00000000ffffffa6 RBX: ff1100000a16ba80 RCX: 1ff4000000a80d8c
[  106.291259][ T1832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a16bb3c
[  106.291459][ T1832] RBP: ff11000012661000 R08: 1fe220000142d769 R09: ff11000012bf0b80
[  106.291668][ T1832] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.291874][ T1832] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010535580
[  106.292084][ T1832] FS:  00007f5be7f4b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.292321][ T1832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.292489][ T1832] CR2: 000000000042ebe0 CR3: 0000000012e27003 CR4: 0000000000771ef0
[  106.292696][ T1832] PKRU: 55555554
[  106.292798][ T1832] Call Trace:
[  106.292905][ T1832]  <TASK>
[  106.292979][ T1832]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  106.293148][ T1832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.293285][ T1832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.293386][ T1832]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.293524][ T1832]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.293657][ T1832]  __dev_notify_flags (net/core/dev.c:9787)
[  106.293793][ T1832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.293934][ T1832]  ? netif_change_name (net/core/dev.c:1495)
[  106.294074][ T1832]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[  106.294209][ T1832]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[  106.294346][ T1832]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.294480][ T1832]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  106.294616][ T1832]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  106.294750][ T1832]  veth_newlink (drivers/net/veth.c:1871)
[  106.294891][ T1832]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  106.295029][ T1832]  ? kasan_save_stack (mm/kasan/common.c:57)
[  106.295162][ T1832]  ? kasan_save_track (mm/kasan/common.c:78)
[  106.295294][ T1832]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  106.295443][ T1832]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  106.295581][ T1832]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  106.295717][ T1832]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.295851][ T1832]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.295995][ T1832]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  106.296132][ T1832]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  106.296268][ T1832]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.296402][ T1832]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.296538][ T1832]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.296677][ T1832]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.296817][ T1832]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.296960][ T1832]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.297099][ T1832]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.297233][ T1832]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.297365][ T1832]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.297499][ T1832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.297640][ T1832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.297774][ T1832]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.297915][ T1832]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.298053][ T1832]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.298187][ T1832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.298320][ T1832]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.298456][ T1832]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.298593][ T1832]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.298728][ T1832]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.298862][ T1832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.299009][ T1832]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.299147][ T1832]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.299280][ T1832]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.299417][ T1832]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.299554][ T1832]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.299691][ T1832]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.299827][ T1832]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.299970][ T1832]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.300111][ T1832]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.300247][ T1832]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.300381][ T1832]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.300518][ T1832]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.300683][ T1832]  ? move_addr_to_kernel (net/socket.c:258)
[  106.300822][ T1832]  ___sys_sendmsg (net/socket.c:2752)
[  106.300961][ T1832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.301100][ T1832]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.301244][ T1832]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.301379][ T1832]  __sys_sendmsg (net/socket.c:2784)
[  106.301516][ T1832]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.301653][ T1832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.301786][ T1832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.301926][ T1832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.302067][ T1832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.302202][ T1832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.302336][ T1832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.302503][ T1832] RIP: 0033:0x7f5be818508e
[  106.302647][ T1832] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.303137][ T1832] RSP: 002b:00007ffca32ced30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.303339][ T1832] RAX: ffffffffffffffda RBX: 00007ffca32cf4d8 RCX: 00007f5be818508e
[  106.303544][ T1832] RDX: 0000000000000000 RSI: 00007ffca32cede0 RDI: 0000000000000005
[  106.303744][ T1832] RBP: 00007ffca32ced40 R08: 0000000000000000 R09: 0000000000000000
[  106.303946][ T1832] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.304151][ T1832] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca32cf4b0
| [  106.320279][ T1832] ------------[ cut here ]------------
| [  106.320423][ T1832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1832
| [  106.320694][ T1832] Modules linked in:
| [  106.321080][ T1832] Tainted: [W]=WARN
[  106.321181][ T1832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.321346][ T1832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.321520][ T1832] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.322437][ T1832] RSP: 0018:ffa00000054071b0 EFLAGS: 00010286
[  106.322608][ T1832] RAX: 00000000ffffffa6 RBX: ff11000010abb700 RCX: 1ff4000000a80dfc
[  106.322805][ T1832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010abb7bc
[  106.323014][ T1832] RBP: ff1100000a3dc000 R08: 1fe22000021576f9 R09: ff11000012bf0b80
[  106.323212][ T1832] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.323408][ T1832] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[  106.323610][ T1832] FS:  00007f5be7f4b840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.323843][ T1832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.324017][ T1832] CR2: 000000000042ebe0 CR3: 0000000012e27003 CR4: 0000000000771ef0
[  106.324215][ T1832] PKRU: 55555554
[  106.324314][ T1832] Call Trace:
[  106.324411][ T1832]  <TASK>
[  106.324480][ T1832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.324618][ T1832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.324719][ T1832]  __dev_notify_flags (net/core/dev.c:9787)
[  106.324853][ T1832]  ? netif_change_name (net/core/dev.c:1495)
[  106.324999][ T1832]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.325133][ T1832]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.325267][ T1832]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.325401][ T1832]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  106.325539][ T1832]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.325672][ T1832]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.325803][ T1832]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.325946][ T1832]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.326089][ T1832]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.326225][ T1832]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.326357][ T1832]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.326490][ T1832]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.326626][ T1832]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.326758][ T1832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.326901][ T1832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.327041][ T1832]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.327174][ T1832]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.327307][ T1832]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.327438][ T1832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.327573][ T1832]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.327706][ T1832]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.327838][ T1832]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.327982][ T1832]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.328115][ T1832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.328248][ T1832]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.328382][ T1832]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.328517][ T1832]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.328651][ T1832]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.328784][ T1832]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.328924][ T1832]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.329065][ T1832]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.329197][ T1832]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.329332][ T1832]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.329466][ T1832]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.329602][ T1832]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.329734][ T1832]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.329903][ T1832]  ? move_addr_to_kernel (net/socket.c:258)
[  106.330045][ T1832]  ___sys_sendmsg (net/socket.c:2752)
[  106.330175][ T1832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.330306][ T1832]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.330448][ T1832]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.330585][ T1832]  __sys_sendmsg (net/socket.c:2784)
[  106.330717][ T1832]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.330853][ T1832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.330998][ T1832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.331132][ T1832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.331263][ T1832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.331397][ T1832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.331533][ T1832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.331696][ T1832] RIP: 0033:0x7f5be818508e
[  106.331833][ T1832] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.332315][ T1832] RSP: 002b:00007ffca32ced30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.332517][ T1832] RAX: ffffffffffffffda RBX: 00007ffca32cf4d8 RCX: 00007f5be818508e
[  106.332713][ T1832] RDX: 0000000000000000 RSI: 00007ffca32cede0 RDI: 0000000000000005
[  106.332915][ T1832] RBP: 00007ffca32ced40 R08: 0000000000000000 R09: 0000000000000000
[  106.333115][ T1832] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.333311][ T1832] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca32cf4b0
| [  106.367997][ T1833] ------------[ cut here ]------------
| [  106.368180][ T1833] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1833
| [  106.368476][ T1833] Modules linked in:
| [  106.368939][ T1833] Tainted: [W]=WARN
[  106.369086][ T1833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.369294][ T1833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.369504][ T1833] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.370050][ T1833] RSP: 0018:ffa0000005416ff8 EFLAGS: 00010286
[  106.370253][ T1833] RAX: 00000000ffffffa6 RBX: ff11000010aba740 RCX: 1ff4000000a82dc5
[  106.370490][ T1833] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010aba7fc
[  106.370730][ T1833] RBP: ff11000012661000 R08: 1fe2200002157501 R09: ff11000012505158
[  106.370984][ T1833] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  106.371219][ T1833] R13: 0000000000000000 R14: ffa0000005417140 R15: ff1100000cf69c50
[  106.371458][ T1833] FS:  00007fadecc45840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  106.371733][ T1833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.371950][ T1833] CR2: 000055dfdb5e2d5c CR3: 0000000012535003 CR4: 0000000000771ef0
[  106.372197][ T1833] PKRU: 55555554
[  106.372337][ T1833] Call Trace:
[  106.372481][ T1833]  <TASK>
[  106.372598][ T1833]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[  106.372775][ T1833]  __dev_change_net_namespace (net/core/dev.c:12635)
[  106.373001][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.373173][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.373351][ T1833]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.373560][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.373733][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.373919][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.374103][ T1833]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.374278][ T1833]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.374454][ T1833]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.374640][ T1833]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.374815][ T1833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.375042][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.375220][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.375396][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.375579][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.375754][ T1833]  ? __kernel_text_address (kernel/extable.c:79)
[  106.375941][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.376122][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.376299][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.376473][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.376652][ T1833]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.376824][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.377019][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.377194][ T1833]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.377369][ T1833]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.377545][ T1833]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.377725][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.377913][ T1833]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.378094][ T1833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.378273][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.378448][ T1833]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.378628][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.378800][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.378988][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.379164][ T1833]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.379335][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.379513][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.379688][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.379860][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.380053][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.380227][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.380402][ T1833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.380586][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.380759][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.380945][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.381125][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.381296][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.381470][ T1833]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.381651][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.381826][ T1833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.382025][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.382197][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.382373][ T1833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.382553][ T1833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.382727][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.382914][ T1833]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.383096][ T1833]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.383274][ T1833]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.383448][ T1833]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.383627][ T1833]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.383799][ T1833]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.384018][ T1833]  ? move_addr_to_kernel (net/socket.c:258)
[  106.384195][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.384367][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.384548][ T1833]  ___sys_sendmsg (net/socket.c:2752)
[  106.384719][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.384939][ T1833]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.385129][ T1833]  __sys_sendmsg (net/socket.c:2784)
[  106.385302][ T1833]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.385472][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.385684][ T1833]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.385861][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.386054][ T1833]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.386228][ T1833]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.386400][ T1833]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.386582][ T1833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.386783][ T1833] RIP: 0033:0x7fadece7f08e
[  106.386982][ T1833] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.387475][ T1833] RSP: 002b:00007ffd02f3b180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.387715][ T1833] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fadece7f08e
[  106.387958][ T1833] RDX: 0000000000000000 RSI: 00007ffd02f3b230 RDI: 0000000000000005
[  106.388200][ T1833] RBP: 00007ffd02f3b190 R08: 0000000000000000 R09: 0000000000000000
[  106.388432][ T1833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.388673][ T1833] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd02f3b900
| [  106.391637][ T1833] ------------[ cut here ]------------
| [  106.391804][ T1833] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1833
| [  106.392118][ T1833] Modules linked in:
| [  106.392572][ T1833] Tainted: [W]=WARN
[  106.392714][ T1833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.392933][ T1833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.393151][ T1833] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.393653][ T1833] RSP: 0018:ffa0000005416fc0 EFLAGS: 00010286
[  106.393858][ T1833] RAX: 00000000ffffffa6 RBX: ff1100000ee51c40 RCX: 1ff4000000a82dbe
[  106.394112][ T1833] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ee51cfc
[  106.394346][ T1833] RBP: ff11000012661000 R08: 1fe2200001dca3a1 R09: ff11000012505158
[  106.394593][ T1833] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  106.394829][ T1833] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf69c50
[  106.395086][ T1833] FS:  00007fadecc45840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  106.395354][ T1833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.395570][ T1833] CR2: 000055dfdb5e2d5c CR3: 0000000012535003 CR4: 0000000000771ef0
[  106.395808][ T1833] PKRU: 55555554
[  106.395961][ T1833] Call Trace:
[  106.396111][ T1833]  <TASK>
[  106.396223][ T1833]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.396398][ T1833]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.396582][ T1833]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.396727][ T1833]  __dev_change_net_namespace (net/core/dev.c:12695)
[  106.396947][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.397129][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.397305][ T1833]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.397523][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.397698][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.397884][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.398073][ T1833]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.398249][ T1833]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.398424][ T1833]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.398609][ T1833]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.398785][ T1833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.399011][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.399185][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.399363][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.399540][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.399715][ T1833]  ? __kernel_text_address (kernel/extable.c:79)
[  106.399901][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.400088][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.400261][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.400437][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.400622][ T1833]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.400796][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.400989][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.401166][ T1833]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.401340][ T1833]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.401514][ T1833]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.401693][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.401882][ T1833]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.402067][ T1833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.402244][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.402421][ T1833]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.402603][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.402774][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.402962][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.403142][ T1833]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.403313][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.403491][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.403668][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.403842][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.404037][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.404215][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.404391][ T1833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.404572][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.404833][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.405025][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.405200][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.405373][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.405641][ T1833]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.405815][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.406009][ T1833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.406189][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.406447][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.406628][ T1833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.406803][ T1833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.406997][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.407256][ T1833]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.407432][ T1833]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.407615][ T1833]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.407790][ T1833]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.408074][ T1833]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.408249][ T1833]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.408455][ T1833]  ? move_addr_to_kernel (net/socket.c:258)
[  106.408638][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.408909][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.409096][ T1833]  ___sys_sendmsg (net/socket.c:2752)
[  106.409270][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.409567][ T1833]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.409754][ T1833]  __sys_sendmsg (net/socket.c:2784)
[  106.409941][ T1833]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.410116][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.410405][ T1833]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.410586][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.410762][ T1833]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.410948][ T1833]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.411211][ T1833]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.411385][ T1833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.411593][ T1833] RIP: 0033:0x7fadece7f08e
[  106.411772][ T1833] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.412379][ T1833] RSP: 002b:00007ffd02f3b180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.412707][ T1833] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fadece7f08e
[  106.412956][ T1833] RDX: 0000000000000000 RSI: 00007ffd02f3b230 RDI: 0000000000000005
[  106.413197][ T1833] RBP: 00007ffd02f3b190 R08: 0000000000000000 R09: 0000000000000000
[  106.413520][ T1833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.413758][ T1833] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd02f3b900
| [  106.433983][ T1833] ------------[ cut here ]------------
| [  106.434127][ T1833] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1833
| [  106.434380][ T1833] Modules linked in:
| [  106.434737][ T1833] Tainted: [W]=WARN
[  106.434834][ T1833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.435009][ T1833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.435173][ T1833] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.435625][ T1833] RSP: 0018:ffa0000005417038 EFLAGS: 00010286
[  106.435783][ T1833] RAX: 00000000ffffffa6 RBX: ff110000109b8c80 RCX: 1ff4000000a82dcd
[  106.435979][ T1833] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8d3c
[  106.436168][ T1833] RBP: ff11000012661000 R08: 1fe22000021371a9 R09: ff11000012505158
[  106.436357][ T1833] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  106.436549][ T1833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  106.436739][ T1833] FS:  00007fadecc45840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  106.436968][ T1833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.437133][ T1833] CR2: 000055dfdb5e2d5c CR3: 0000000012535003 CR4: 0000000000771ef0
[  106.437323][ T1833] PKRU: 55555554
[  106.437417][ T1833] Call Trace:
[  106.437515][ T1833]  <TASK>
[  106.437581][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.437709][ T1833]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  106.437839][ T1833]  notifier_call_chain (kernel/notifier.c:85)
[  106.437980][ T1833]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[  106.438109][ T1833]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.438269][ T1833]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  106.438428][ T1833]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.438560][ T1833]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.438689][ T1833]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[  106.438820][ T1833]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.438954][ T1833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.439118][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.439246][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.439374][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.439501][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.439634][ T1833]  ? __kernel_text_address (kernel/extable.c:79)
[  106.439763][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.439898][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.440031][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.440159][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.440286][ T1833]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.440412][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.440542][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.440670][ T1833]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.440800][ T1833]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.440933][ T1833]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.441067][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.441197][ T1833]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.441324][ T1833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.441454][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.441586][ T1833]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.441717][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.441843][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.441978][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.442107][ T1833]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.442234][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.442364][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.442492][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.442622][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.442750][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.442881][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.443016][ T1833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.443144][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.443271][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.443398][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.443530][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.443658][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.443787][ T1833]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.443919][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.444054][ T1833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.444185][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.444310][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.444440][ T1833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.444573][ T1833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.444702][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.444831][ T1833]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.444966][ T1833]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.445101][ T1833]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.445231][ T1833]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.445361][ T1833]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.445488][ T1833]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.445647][ T1833]  ? move_addr_to_kernel (net/socket.c:258)
[  106.445776][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.445909][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.446044][ T1833]  ___sys_sendmsg (net/socket.c:2752)
[  106.446172][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.446333][ T1833]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.446473][ T1833]  __sys_sendmsg (net/socket.c:2784)
[  106.446604][ T1833]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.446730][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.446897][ T1833]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.447031][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.447160][ T1833]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.447291][ T1833]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.447418][ T1833]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.447549][ T1833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.447707][ T1833] RIP: 0033:0x7fadece7f08e
[  106.447840][ T1833] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.448311][ T1833] RSP: 002b:00007ffd02f3b180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.448502][ T1833] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fadece7f08e
[  106.448696][ T1833] RDX: 0000000000000000 RSI: 00007ffd02f3b230 RDI: 0000000000000005
[  106.448891][ T1833] RBP: 00007ffd02f3b190 R08: 0000000000000000 R09: 0000000000000000
[  106.449090][ T1833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.449281][ T1833] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd02f3b900
| [  106.451408][ T1833] ------------[ cut here ]------------
| [  106.451540][ T1833] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1833
| [  106.451790][ T1833] Modules linked in:
| [  106.452160][ T1833] Tainted: [W]=WARN
[  106.452259][ T1833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.452421][ T1833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.452589][ T1833] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.453058][ T1833] RSP: 0018:ffa0000005417020 EFLAGS: 00010286
[  106.453219][ T1833] RAX: 00000000ffffffa6 RBX: ff1100000fe911c0 RCX: 1ff4000000a82dca
[  106.453412][ T1833] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe9127c
[  106.453608][ T1833] RBP: ff11000012661000 R08: 1fe2200001fd2251 R09: ff11000012505158
[  106.453800][ T1833] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[  106.454004][ T1833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  106.454196][ T1833] FS:  00007fadecc45840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  106.454422][ T1833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.454584][ T1833] CR2: 000055dfdb5e2d5c CR3: 0000000012535003 CR4: 0000000000771ef0
[  106.454778][ T1833] PKRU: 55555554
[  106.454878][ T1833] Call Trace:
[  106.454979][ T1833]  <TASK>
[  106.455046][ T1833]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.455177][ T1833]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.455275][ T1833]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  106.455404][ T1833]  __dev_notify_flags (net/core/dev.c:9787)
[  106.455537][ T1833]  ? netif_change_name (net/core/dev.c:1495)
[  106.455665][ T1833]  ? __dev_change_flags (net/core/dev.c:9752)
[  106.455794][ T1833]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  106.455927][ T1833]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  106.456092][ T1833]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.456223][ T1833]  netif_change_flags (net/core/dev.c:9820)
[  106.456352][ T1833]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  106.456482][ T1833]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.456615][ T1833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.456775][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.456910][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.457044][ T1833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.457173][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.457302][ T1833]  ? __kernel_text_address (kernel/extable.c:79)
[  106.457431][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.457567][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.457695][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.457824][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.457959][ T1833]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.458092][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.458220][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.458349][ T1833]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.458478][ T1833]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.458611][ T1833]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.458740][ T1833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.458876][ T1833]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.459010][ T1833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.459141][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.459273][ T1833]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.459404][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.459537][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.459667][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.459795][ T1833]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.459928][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.460063][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.460193][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.460321][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.460448][ T1833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.460582][ T1833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.460710][ T1833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.460840][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.460978][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.461107][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.461237][ T1833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.461365][ T1833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.461496][ T1833]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.461629][ T1833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.461757][ T1833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.461894][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.462027][ T1833]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.462157][ T1833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.462286][ T1833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.462415][ T1833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.462550][ T1833]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.462679][ T1833]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.462808][ T1833]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.462943][ T1833]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.463077][ T1833]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.463206][ T1833]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.463365][ T1833]  ? move_addr_to_kernel (net/socket.c:258)
[  106.463498][ T1833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.463632][ T1833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.463762][ T1833]  ___sys_sendmsg (net/socket.c:2752)
[  106.463896][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.464063][ T1833]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.464204][ T1833]  __sys_sendmsg (net/socket.c:2784)
[  106.464333][ T1833]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.464464][ T1833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.464630][ T1833]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.464759][ T1833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.464895][ T1833]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.465029][ T1833]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.465156][ T1833]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.465285][ T1833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.465443][ T1833] RIP: 0033:0x7fadece7f08e
[  106.465582][ T1833] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.466047][ T1833] RSP: 002b:00007ffd02f3b180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.466242][ T1833] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fadece7f08e
[  106.466436][ T1833] RDX: 0000000000000000 RSI: 00007ffd02f3b230 RDI: 0000000000000005
[  106.466632][ T1833] RBP: 00007ffd02f3b190 R08: 0000000000000000 R09: 0000000000000000
[  106.466823][ T1833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.467025][ T1833] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd02f3b900
| [  106.505323][ T1834] ------------[ cut here ]------------
| [  106.505474][ T1834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1834
| [  106.505746][ T1834] Modules linked in:
| [  106.506138][ T1834] Tainted: [W]=WARN
[  106.506240][ T1834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.506407][ T1834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.506585][ T1834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.507077][ T1834] RSP: 0018:ffa0000005426e30 EFLAGS: 00010286
[  106.507245][ T1834] RAX: 00000000ffffffa6 RBX: ff11000008dc7a80 RCX: 1ff4000000a84d8c
[  106.507443][ T1834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc7b3c
[  106.507647][ T1834] RBP: ff110000093a4000 R08: 1fe22000011b8f69 R09: ff11000012ad5180
[  106.507847][ T1834] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.508058][ T1834] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f35b880
[  106.508261][ T1834] FS:  00007fa26af64840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.508497][ T1834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.508670][ T1834] CR2: 000000000042ebe0 CR3: 0000000012e27006 CR4: 0000000000771ef0
[  106.508879][ T1834] PKRU: 55555554
[  106.508984][ T1834] Call Trace:
[  106.509084][ T1834]  <TASK>
[  106.509156][ T1834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.509293][ T1834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.509394][ T1834]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  106.509564][ T1834]  __dev_notify_flags (net/core/dev.c:9787)
[  106.509700][ T1834]  ? netif_change_name (net/core/dev.c:1495)
[  106.509834][ T1834]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.509978][ T1834]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.510115][ T1834]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.510249][ T1834]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[  106.510383][ T1834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.510519][ T1834]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  106.510653][ T1834]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.510786][ T1834]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  106.510925][ T1834]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  106.511068][ T1834]  veth_newlink (drivers/net/veth.c:1871)
[  106.511203][ T1834]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  106.511336][ T1834]  ? kasan_save_stack (mm/kasan/common.c:57)
[  106.511468][ T1834]  ? kasan_save_track (mm/kasan/common.c:78)
[  106.511605][ T1834]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  106.511755][ T1834]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  106.511895][ T1834]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  106.512038][ T1834]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.512173][ T1834]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.512308][ T1834]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  106.512443][ T1834]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  106.512583][ T1834]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.512717][ T1834]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.512850][ T1834]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.513001][ T1834]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.513142][ T1834]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.513276][ T1834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.513410][ T1834]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.513546][ T1834]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.513679][ T1834]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.513811][ T1834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.513953][ T1834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.514092][ T1834]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.514227][ T1834]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.514360][ T1834]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.514493][ T1834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.514629][ T1834]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.514763][ T1834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.514901][ T1834]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.515041][ T1834]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.515174][ T1834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.515308][ T1834]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.515444][ T1834]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.515580][ T1834]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.515716][ T1834]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.515850][ T1834]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.515992][ T1834]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.516128][ T1834]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.516263][ T1834]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.516398][ T1834]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.516538][ T1834]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.516672][ T1834]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.516803][ T1834]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.516980][ T1834]  ? move_addr_to_kernel (net/socket.c:258)
[  106.517118][ T1834]  ___sys_sendmsg (net/socket.c:2752)
[  106.517255][ T1834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.517389][ T1834]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.517534][ T1834]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.517670][ T1834]  __sys_sendmsg (net/socket.c:2784)
[  106.517803][ T1834]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.517948][ T1834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.518085][ T1834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.518221][ T1834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.518356][ T1834]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.518489][ T1834]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.518627][ T1834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.518791][ T1834] RIP: 0033:0x7fa26b19e08e
[  106.518937][ T1834] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.519418][ T1834] RSP: 002b:00007ffdc2be6f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.519621][ T1834] RAX: ffffffffffffffda RBX: 00007ffdc2be7708 RCX: 00007fa26b19e08e
[  106.519820][ T1834] RDX: 0000000000000000 RSI: 00007ffdc2be7010 RDI: 0000000000000005
[  106.520044][ T1834] RBP: 00007ffdc2be6f70 R08: 0000000000000000 R09: 0000000000000000
[  106.520244][ T1834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.520442][ T1834] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc2be76e0
| [  106.528102][ T1834] ------------[ cut here ]------------
| [  106.528246][ T1834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1834
| [  106.528514][ T1834] Modules linked in:
| [  106.528891][ T1834] Tainted: [W]=WARN
[  106.528997][ T1834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.529163][ T1834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.529336][ T1834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.529812][ T1834] RSP: 0018:ffa00000054271b0 EFLAGS: 00010286
[  106.529987][ T1834] RAX: 00000000ffffffa6 RBX: ff1100000caa0900 RCX: 1ff4000000a84dfc
[  106.530187][ T1834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa09bc
[  106.530385][ T1834] RBP: ff11000012a0c000 R08: 1fe2200001954139 R09: ff11000012ad5180
[  106.530586][ T1834] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.530784][ T1834] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[  106.530992][ T1834] FS:  00007fa26af64840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.531226][ T1834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.531393][ T1834] CR2: 000000000042ebe0 CR3: 0000000012e27006 CR4: 0000000000771ef0
[  106.531598][ T1834] PKRU: 55555554
[  106.531698][ T1834] Call Trace:
[  106.531797][ T1834]  <TASK>
[  106.532379][ T1834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.532520][ T1834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.532622][ T1834]  __dev_notify_flags (net/core/dev.c:9787)
[  106.532756][ T1834]  ? netif_change_name (net/core/dev.c:1495)
[  106.532950][ T1834]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.533090][ T1834]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.533225][ T1834]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.533359][ T1834]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  106.533494][ T1834]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.533630][ T1834]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.533762][ T1834]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.533960][ T1834]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.534104][ T1834]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.534240][ T1834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.534373][ T1834]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.534565][ T1834]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.534700][ T1834]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.534833][ T1834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.535033][ T1834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.535169][ T1834]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.535305][ T1834]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.535437][ T1834]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.535575][ T1834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.535707][ T1834]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.535842][ T1834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.536036][ T1834]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.536170][ T1834]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.536304][ T1834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.536439][ T1834]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.536579][ T1834]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.536712][ T1834]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.536848][ T1834]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.537045][ T1834]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.537179][ T1834]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.537314][ T1834]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.537451][ T1834]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.537587][ T1834]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.537722][ T1834]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.537858][ T1834]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.538055][ T1834]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.538222][ T1834]  ? move_addr_to_kernel (net/socket.c:258)
[  106.538361][ T1834]  ___sys_sendmsg (net/socket.c:2752)
[  106.538495][ T1834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.538633][ T1834]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.538776][ T1834]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.538969][ T1834]  __sys_sendmsg (net/socket.c:2784)
[  106.539120][ T1834]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.539259][ T1834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.539392][ T1834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.539529][ T1834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.539664][ T1834]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.539799][ T1834]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.539996][ T1834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.540161][ T1834] RIP: 0033:0x7fa26b19e08e
[  106.540300][ T1834] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.540776][ T1834] RSP: 002b:00007ffdc2be6f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.541040][ T1834] RAX: ffffffffffffffda RBX: 00007ffdc2be7708 RCX: 00007fa26b19e08e
[  106.541239][ T1834] RDX: 0000000000000000 RSI: 00007ffdc2be7010 RDI: 0000000000000005
[  106.541437][ T1834] RBP: 00007ffdc2be6f70 R08: 0000000000000000 R09: 0000000000000000
[  106.541640][ T1834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.541838][ T1834] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc2be76e0
| [  106.590225][ T1835] ------------[ cut here ]------------
| [  106.590365][ T1835] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1835
| [  106.590621][ T1835] Modules linked in:
| [  106.590988][ T1835] Tainted: [W]=WARN
[  106.591084][ T1835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.591243][ T1835] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.591408][ T1835] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.591858][ T1835] RSP: 0018:ffa0000005436ff8 EFLAGS: 00010286
[  106.592030][ T1835] RAX: 00000000ffffffa6 RBX: ff1100000fc4b380 RCX: 1ff4000000a86dc5
[  106.592216][ T1835] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4b43c
[  106.592404][ T1835] RBP: ff110000093a4000 R08: 1fe2200001f89689 R09: ff11000012ad2e58
[  106.592596][ T1835] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.592782][ T1835] R13: 0000000000000000 R14: ffa0000005437140 R15: ff1100001288d8d0
[  106.592983][ T1835] FS:  00007f5a3c68d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.593205][ T1835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.593363][ T1835] CR2: 000000003d01e988 CR3: 0000000012e2e004 CR4: 0000000000771ef0
[  106.593554][ T1835] PKRU: 55555554
[  106.593649][ T1835] Call Trace:
[  106.593744][ T1835]  <TASK>
[  106.593810][ T1835]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[  106.593960][ T1835]  __dev_change_net_namespace (net/core/dev.c:12635)
[  106.594123][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.594250][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.594378][ T1835]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.594537][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.594662][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.594787][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.594921][ T1835]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.595050][ T1835]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.595177][ T1835]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.595304][ T1835]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.595430][ T1835]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.595592][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.595717][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.595847][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.595981][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.596107][ T1835]  ? __kernel_text_address (kernel/extable.c:79)
[  106.596234][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.596362][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.596488][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.596619][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.596747][ T1835]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.596878][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.597010][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.597137][ T1835]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.597263][ T1835]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.597395][ T1835]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.597521][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.597654][ T1835]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.597782][ T1835]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.597915][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.598049][ T1835]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.598177][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.598303][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.598432][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.598561][ T1835]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.598687][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.598818][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.598951][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.599080][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.599207][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.599335][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.599462][ T1835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.599592][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.599718][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.599842][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.599979][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.600105][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.600233][ T1835]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.600360][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.600487][ T1835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.600616][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.600745][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.600879][ T1835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.601014][ T1835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.601142][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.601269][ T1835]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.601397][ T1835]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.601530][ T1835]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.601661][ T1835]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.601787][ T1835]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.601919][ T1835]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.602079][ T1835]  ? move_addr_to_kernel (net/socket.c:258)
[  106.602206][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.602332][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.602460][ T1835]  ___sys_sendmsg (net/socket.c:2752)
[  106.602590][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.602746][ T1835]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.602890][ T1835]  __sys_sendmsg (net/socket.c:2784)
[  106.603021][ T1835]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.603146][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.603305][ T1835]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.603432][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.603564][ T1835]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.603690][ T1835]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.603816][ T1835]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.603947][ T1835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.604108][ T1835] RIP: 0033:0x7f5a3c8c708e
[  106.604240][ T1835] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.604693][ T1835] RSP: 002b:00007ffd64220470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.604887][ T1835] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5a3c8c708e
[  106.605084][ T1835] RDX: 0000000000000000 RSI: 00007ffd64220520 RDI: 0000000000000005
[  106.605277][ T1835] RBP: 00007ffd64220480 R08: 0000000000000000 R09: 0000000000000000
[  106.605465][ T1835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.605658][ T1835] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd64220bf0
| [  106.608212][ T1835] ------------[ cut here ]------------
| [  106.608344][ T1835] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1835
| [  106.608597][ T1835] Modules linked in:
| [  106.608962][ T1835] Tainted: [W]=WARN
[  106.609065][ T1835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.609225][ T1835] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.609392][ T1835] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.609849][ T1835] RSP: 0018:ffa0000005436fc0 EFLAGS: 00010286
[  106.610021][ T1835] RAX: 00000000ffffffa6 RBX: ff1100000d512900 RCX: 1ff4000000a86dbe
[  106.610211][ T1835] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5129bc
[  106.610401][ T1835] RBP: ff110000093a4000 R08: 1fe2200001aa2539 R09: ff11000012ad2e58
[  106.610595][ T1835] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.610787][ T1835] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001288d8d0
[  106.610991][ T1835] FS:  00007f5a3c68d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.611215][ T1835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.611374][ T1835] CR2: 000000003d01e988 CR3: 0000000012e2e004 CR4: 0000000000771ef0
[  106.611570][ T1835] PKRU: 55555554
[  106.611666][ T1835] Call Trace:
[  106.611761][ T1835]  <TASK>
[  106.611828][ T1835]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.611963][ T1835]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.612098][ T1835]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.612196][ T1835]  __dev_change_net_namespace (net/core/dev.c:12695)
[  106.612355][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.612483][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.612615][ T1835]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.612774][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.612907][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.613042][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.613171][ T1835]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.613300][ T1835]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.613431][ T1835]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.613565][ T1835]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.613695][ T1835]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.613854][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.613990][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.614118][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.614246][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.614374][ T1835]  ? __kernel_text_address (kernel/extable.c:79)
[  106.614501][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.614633][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.614759][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.614892][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.615027][ T1835]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.615153][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.615281][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.615410][ T1835]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.615542][ T1835]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.615669][ T1835]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.615798][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.615933][ T1835]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.616066][ T1835]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.616195][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.616328][ T1835]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.616457][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.616586][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.616712][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.616839][ T1835]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.616970][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.617106][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.617235][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.617361][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.617488][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.617618][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.617746][ T1835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.617878][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.618011][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.618138][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.618268][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.618394][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.618523][ T1835]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.618651][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.618779][ T1835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.618915][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.619047][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.619178][ T1835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.619306][ T1835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.619434][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.619566][ T1835]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.619696][ T1835]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.619824][ T1835]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.619960][ T1835]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.620093][ T1835]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.620221][ T1835]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.620378][ T1835]  ? move_addr_to_kernel (net/socket.c:258)
[  106.620509][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.620638][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.620767][ T1835]  ___sys_sendmsg (net/socket.c:2752)
[  106.620898][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.621063][ T1835]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.621205][ T1835]  __sys_sendmsg (net/socket.c:2784)
[  106.621333][ T1835]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.621459][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.621623][ T1835]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.621751][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.621882][ T1835]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.622013][ T1835]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.622140][ T1835]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.622267][ T1835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.622423][ T1835] RIP: 0033:0x7f5a3c8c708e
[  106.622557][ T1835] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.623025][ T1835] RSP: 002b:00007ffd64220470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.623217][ T1835] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5a3c8c708e
[  106.623405][ T1835] RDX: 0000000000000000 RSI: 00007ffd64220520 RDI: 0000000000000005
[  106.623597][ T1835] RBP: 00007ffd64220480 R08: 0000000000000000 R09: 0000000000000000
[  106.623786][ T1835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.623986][ T1835] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd64220bf0
| [  106.625833][ T1835] ------------[ cut here ]------------
| [  106.625969][ T1835] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1835
| [  106.626222][ T1835] Modules linked in:
| [  106.626575][ T1835] Tainted: [W]=WARN
[  106.626670][ T1835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.626831][ T1835] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.627359][ T1835] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.627811][ T1835] RSP: 0018:ffa0000005437038 EFLAGS: 00010286
[  106.627983][ T1835] RAX: 00000000ffffffa6 RBX: ff1100000ceec200 RCX: 1ff4000000a86dcd
[  106.628171][ T1835] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec2bc
[  106.628360][ T1835] RBP: ff110000093a4000 R08: 1fe22000019dd859 R09: ff11000012ad2e58
[  106.628550][ T1835] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  106.628739][ T1835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[  106.628937][ T1835] FS:  00007f5a3c68d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.629163][ T1835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.629321][ T1835] CR2: 000000003d01e988 CR3: 0000000012e2e004 CR4: 0000000000771ef0
[  106.629515][ T1835] PKRU: 55555554
[  106.629610][ T1835] Call Trace:
[  106.629706][ T1835]  <TASK>
[  106.629772][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.629903][ T1835]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  106.630037][ T1835]  notifier_call_chain (kernel/notifier.c:85)
[  106.630164][ T1835]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[  106.630291][ T1835]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.630451][ T1835]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  106.630611][ T1835]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.630740][ T1835]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.630873][ T1835]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[  106.631008][ T1835]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.631136][ T1835]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.631295][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.631422][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.631552][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.631679][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.631807][ T1835]  ? __kernel_text_address (kernel/extable.c:79)
[  106.631944][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.632079][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.632206][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.632334][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.632462][ T1835]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.632592][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.632719][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.632847][ T1835]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.632982][ T1835]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.633110][ T1835]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.633238][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.633366][ T1835]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.633494][ T1835]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.633629][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.633760][ T1835]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.633895][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.634029][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.634156][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.634284][ T1835]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.634411][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.634545][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.634672][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.634799][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.634933][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.635069][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.635196][ T1835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.635323][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.635449][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.635580][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.635709][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.635836][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.635970][ T1835]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.636103][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.636231][ T1835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.636362][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.636579][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.636708][ T1835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.636837][ T1835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.636983][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.637198][ T1835]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.637327][ T1835]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.637455][ T1835]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.637584][ T1835]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.637796][ T1835]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.637928][ T1835]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.638093][ T1835]  ? move_addr_to_kernel (net/socket.c:258)
[  106.638221][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.638432][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.638564][ T1835]  ___sys_sendmsg (net/socket.c:2752)
[  106.638691][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.638939][ T1835]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.639084][ T1835]  __sys_sendmsg (net/socket.c:2784)
[  106.639213][ T1835]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.639340][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.639588][ T1835]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.639714][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.639844][ T1835]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.639980][ T1835]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.640193][ T1835]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.640320][ T1835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.640480][ T1835] RIP: 0033:0x7f5a3c8c708e
[  106.640614][ T1835] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.641171][ T1835] RSP: 002b:00007ffd64220470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.641448][ T1835] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5a3c8c708e
[  106.641642][ T1835] RDX: 0000000000000000 RSI: 00007ffd64220520 RDI: 0000000000000005
[  106.641832][ T1835] RBP: 00007ffd64220480 R08: 0000000000000000 R09: 0000000000000000
[  106.642037][ T1835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.642227][ T1835] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd64220bf0
| [  106.650809][ T1835] ------------[ cut here ]------------
| [  106.650949][ T1835] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1835
| [  106.651210][ T1835] Modules linked in:
| [  106.651657][ T1835] Tainted: [W]=WARN
[  106.651755][ T1835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.651924][ T1835] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.652189][ T1835] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.652738][ T1835] RSP: 0018:ffa0000005437020 EFLAGS: 00010286
[  106.652907][ T1835] RAX: 00000000ffffffa6 RBX: ff1100000dc26040 RCX: 1ff4000000a86dca
[  106.653107][ T1835] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc260fc
[  106.653385][ T1835] RBP: ff110000093a4000 R08: 1fe2200001b84c21 R09: ff11000012ad2e58
[  106.653581][ T1835] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  106.653774][ T1835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  106.654065][ T1835] FS:  00007f5a3c68d840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.654289][ T1835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.654451][ T1835] CR2: 000000003d01e988 CR3: 0000000012e2e004 CR4: 0000000000771ef0
[  106.654735][ T1835] PKRU: 55555554
[  106.654831][ T1835] Call Trace:
[  106.654935][ T1835]  <TASK>
[  106.655008][ T1835]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.655225][ T1835]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.655323][ T1835]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  106.655452][ T1835]  __dev_notify_flags (net/core/dev.c:9787)
[  106.655584][ T1835]  ? netif_change_name (net/core/dev.c:1495)
[  106.655798][ T1835]  ? __dev_change_flags (net/core/dev.c:9752)
[  106.655934][ T1835]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  106.656071][ T1835]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  106.656233][ T1835]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.656450][ T1835]  netif_change_flags (net/core/dev.c:9820)
[  106.656583][ T1835]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  106.656714][ T1835]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.656844][ T1835]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.657099][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.657228][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.657356][ T1835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.657485][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.657699][ T1835]  ? __kernel_text_address (kernel/extable.c:79)
[  106.657829][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.657967][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.658103][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.658319][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.658449][ T1835]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.658581][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.658711][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.658931][ T1835]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.659066][ T1835]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.659196][ T1835]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.659326][ T1835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.659547][ T1835]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.659675][ T1835]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.659807][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.659945][ T1835]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.660166][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.660294][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.660422][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.660552][ T1835]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.660767][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.660903][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.661038][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.661166][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.661379][ T1835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.661512][ T1835]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.661641][ T1835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.661772][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.661995][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.662125][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.662256][ T1835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.662385][ T1835]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.662602][ T1835]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.662731][ T1835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.662861][ T1835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.663007][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.663221][ T1835]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.663352][ T1835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.663482][ T1835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.663612][ T1835]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.663826][ T1835]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.663965][ T1835]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.664103][ T1835]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.664234][ T1835]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.664448][ T1835]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.664580][ T1835]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.664741][ T1835]  ? move_addr_to_kernel (net/socket.c:258)
[  106.664875][ T1835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.665010][ T1835]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.665142][ T1835]  ___sys_sendmsg (net/socket.c:2752)
[  106.665271][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.665519][ T1835]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.665661][ T1835]  __sys_sendmsg (net/socket.c:2784)
[  106.665790][ T1835]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.665923][ T1835]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.666174][ T1835]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.666304][ T1835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.666435][ T1835]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.666567][ T1835]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.666780][ T1835]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.666912][ T1835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.667078][ T1835] RIP: 0033:0x7f5a3c8c708e
[  106.667212][ T1835] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.667764][ T1835] RSP: 002b:00007ffd64220470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.667964][ T1835] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5a3c8c708e
[  106.668159][ T1835] RDX: 0000000000000000 RSI: 00007ffd64220520 RDI: 0000000000000005
[  106.668351][ T1835] RBP: 00007ffd64220480 R08: 0000000000000000 R09: 0000000000000000
[  106.668633][ T1835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.668825][ T1835] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd64220bf0
| [  106.704291][ T1836] ------------[ cut here ]------------
| [  106.704441][ T1836] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1836
| [  106.704711][ T1836] Modules linked in:
| [  106.705097][ T1836] Tainted: [W]=WARN
[  106.705199][ T1836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.705367][ T1836] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.705546][ T1836] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.706033][ T1836] RSP: 0018:ffa0000005446e30 EFLAGS: 00010286
[  106.706201][ T1836] RAX: 00000000ffffffa6 RBX: ff1100000f1b7380 RCX: 1ff4000000a88d8c
[  106.706401][ T1836] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b743c
[  106.706603][ T1836] RBP: ff1100000ed01000 R08: 1fe2200001e36e89 R09: ff11000012ad0b80
[  106.706802][ T1836] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.707011][ T1836] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bb79200
[  106.707210][ T1836] FS:  00007fbdfbe79840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.707443][ T1836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.707615][ T1836] CR2: 00007fbdfc1e0f65 CR3: 0000000012e27005 CR4: 0000000000771ef0
[  106.707817][ T1836] PKRU: 55555554
[  106.707924][ T1836] Call Trace:
[  106.708030][ T1836]  <TASK>
[  106.708099][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.708232][ T1836]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.708367][ T1836]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.708470][ T1836]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[  106.708608][ T1836]  __dev_notify_flags (net/core/dev.c:9787)
[  106.708744][ T1836]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[  106.708881][ T1836]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[  106.709021][ T1836]  ? netif_change_name (net/core/dev.c:1495)
[  106.709154][ T1836]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.709287][ T1836]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.709419][ T1836]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.709554][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.709690][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.709823][ T1836]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  106.709965][ T1836]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.710103][ T1836]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  106.710238][ T1836]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  106.710374][ T1836]  veth_newlink (drivers/net/veth.c:1871)
[  106.710510][ T1836]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  106.710644][ T1836]  ? kasan_save_stack (mm/kasan/common.c:57)
[  106.710778][ T1836]  ? kasan_save_track (mm/kasan/common.c:78)
[  106.710916][ T1836]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  106.711071][ T1836]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  106.711205][ T1836]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  106.711340][ T1836]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.711473][ T1836]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.711614][ T1836]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  106.711749][ T1836]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  106.711890][ T1836]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.712029][ T1836]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.712162][ T1836]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.712302][ T1836]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.712440][ T1836]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.712580][ T1836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.712716][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.712849][ T1836]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.712991][ T1836]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.713125][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.713262][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.713398][ T1836]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.713536][ T1836]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.713672][ T1836]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.713805][ T1836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.713944][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.714085][ T1836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.714218][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.714353][ T1836]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.714485][ T1836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.714620][ T1836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.714760][ T1836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.714898][ T1836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.715039][ T1836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.715175][ T1836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.715310][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.715445][ T1836]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.715585][ T1836]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.715720][ T1836]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.715857][ T1836]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.716000][ T1836]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.716135][ T1836]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.716299][ T1836]  ? move_addr_to_kernel (net/socket.c:258)
[  106.716437][ T1836]  ___sys_sendmsg (net/socket.c:2752)
[  106.716571][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.716705][ T1836]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.716851][ T1836]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.716994][ T1836]  __sys_sendmsg (net/socket.c:2784)
[  106.717129][ T1836]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.717267][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.717400][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.717538][ T1836]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.717671][ T1836]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.717805][ T1836]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.717944][ T1836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.718116][ T1836] RIP: 0033:0x7fbdfc0b308e
[  106.718254][ T1836] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.718731][ T1836] RSP: 002b:00007ffd25ccca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.718940][ T1836] RAX: ffffffffffffffda RBX: 00007ffd25ccd1d8 RCX: 00007fbdfc0b308e
[  106.719144][ T1836] RDX: 0000000000000000 RSI: 00007ffd25cccae0 RDI: 0000000000000005
[  106.719344][ T1836] RBP: 00007ffd25ccca40 R08: 0000000000000000 R09: 0000000000000000
[  106.719545][ T1836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.719744][ T1836] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd25ccd1b0
| [  106.727477][ T1836] ------------[ cut here ]------------
| [  106.727616][ T1836] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1836
| [  106.728392][ T1836] Modules linked in:
| [  106.728765][ T1836] Tainted: [W]=WARN
[  106.729081][ T1836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.729249][ T1836] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.729423][ T1836] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.729956][ T1836] RSP: 0018:ffa00000054471b0 EFLAGS: 00010286
[  106.730129][ T1836] RAX: 00000000ffffffa6 RBX: ff1100000d6d71c0 RCX: 1ff4000000a88dfc
[  106.730326][ T1836] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d727c
[  106.730523][ T1836] RBP: ff1100000f3fc000 R08: 1fe2200001adae51 R09: ff11000012ad0b80
[  106.730718][ T1836] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.730972][ T1836] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[  106.731176][ T1836] FS:  00007fbdfbe79840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.731406][ T1836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.731575][ T1836] CR2: 00007fbdfc1e0f65 CR3: 0000000012e27005 CR4: 0000000000771ef0
[  106.731774][ T1836] PKRU: 55555554
[  106.731928][ T1836] Call Trace:
[  106.732032][ T1836]  <TASK>
[  106.732100][ T1836]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.732235][ T1836]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.732336][ T1836]  __dev_notify_flags (net/core/dev.c:9787)
[  106.732470][ T1836]  ? netif_change_name (net/core/dev.c:1495)
[  106.732606][ T1836]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.732738][ T1836]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.732928][ T1836]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.733071][ T1836]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  106.733206][ T1836]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.733338][ T1836]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.733469][ T1836]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.733611][ T1836]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.733748][ T1836]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.733935][ T1836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.734074][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.734226][ T1836]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.734358][ T1836]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.734490][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.734631][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.734766][ T1836]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.734953][ T1836]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.735088][ T1836]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.735222][ T1836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.735353][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.735487][ T1836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.735620][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.735753][ T1836]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.735941][ T1836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.736079][ T1836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.736215][ T1836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.736349][ T1836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.736484][ T1836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.736620][ T1836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.736754][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.736945][ T1836]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.737085][ T1836]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.737220][ T1836]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.737356][ T1836]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.737491][ T1836]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.737628][ T1836]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.737793][ T1836]  ? move_addr_to_kernel (net/socket.c:258)
[  106.737995][ T1836]  ___sys_sendmsg (net/socket.c:2752)
[  106.738128][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.738261][ T1836]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.738406][ T1836]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.738544][ T1836]  __sys_sendmsg (net/socket.c:2784)
[  106.738677][ T1836]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.738814][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.739009][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.739143][ T1836]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.739276][ T1836]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.739409][ T1836]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.739547][ T1836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.739711][ T1836] RIP: 0033:0x7fbdfc0b308e
[  106.739852][ T1836] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.740392][ T1836] RSP: 002b:00007ffd25ccca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.740598][ T1836] RAX: ffffffffffffffda RBX: 00007ffd25ccd1d8 RCX: 00007fbdfc0b308e
[  106.740795][ T1836] RDX: 0000000000000000 RSI: 00007ffd25cccae0 RDI: 0000000000000005
[  106.741057][ T1836] RBP: 00007ffd25ccca40 R08: 0000000000000000 R09: 0000000000000000
[  106.741255][ T1836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd56
[  106.741454][ T1836] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd25ccd1b0
| [  106.783708][ T1837] ------------[ cut here ]------------
| [  106.783857][ T1837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1837
| [  106.784123][ T1837] Modules linked in:
| [  106.784477][ T1837] Tainted: [W]=WARN
[  106.784577][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.784738][ T1837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.784907][ T1837] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.785361][ T1837] RSP: 0018:ffa0000005456ff8 EFLAGS: 00010286
[  106.785520][ T1837] RAX: 00000000ffffffa6 RBX: ff1100000d6d7c40 RCX: 1ff4000000a8adc5
[  106.785710][ T1837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d7cfc
[  106.785905][ T1837] RBP: ff1100000ed01000 R08: 1fe2200001adafa1 R09: ff11000012f48b58
[  106.786100][ T1837] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.786287][ T1837] R13: 0000000000000000 R14: ffa0000005457140 R15: ff1100000d600e50
[  106.786478][ T1837] FS:  00007f424948c840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.786702][ T1837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.786862][ T1837] CR2: 0000000022d21988 CR3: 000000000b884004 CR4: 0000000000771ef0
[  106.787065][ T1837] PKRU: 55555554
[  106.787161][ T1837] Call Trace:
[  106.787256][ T1837]  <TASK>
[  106.787321][ T1837]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[  106.787450][ T1837]  __dev_change_net_namespace (net/core/dev.c:12635)
[  106.787612][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.787738][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.787872][ T1837]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.788036][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.788162][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.788289][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.788415][ T1837]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.788547][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.788675][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.788804][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.789152][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.789311][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.789435][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.789563][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.789688][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.789814][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[  106.789945][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.790080][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.790204][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.790331][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.790458][ T1837]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.790585][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.790711][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.790837][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.790969][ T1837]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.791101][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.791227][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.791354][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.791479][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.791614][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.791745][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.791879][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.792011][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.792136][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.792262][ T1837]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.792389][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.792521][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.792648][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.792777][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.792909][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.793045][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.793173][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.793299][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.793430][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.793560][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.793687][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.793813][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.793943][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.794077][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.794204][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.794334][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.794460][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.794593][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.794720][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.794847][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.794985][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.795114][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.795243][ T1837]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.795370][ T1837]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.795496][ T1837]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.795627][ T1837]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.795785][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[  106.795917][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.796048][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.796176][ T1837]  ___sys_sendmsg (net/socket.c:2752)
[  106.796302][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.796458][ T1837]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.796600][ T1837]  __sys_sendmsg (net/socket.c:2784)
[  106.796728][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.796853][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.797026][ T1837]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.797153][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.797281][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.797407][ T1837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.797538][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.797665][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.797821][ T1837] RIP: 0033:0x7f42496c608e
[  106.797960][ T1837] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.798415][ T1837] RSP: 002b:00007ffd9811bbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.798609][ T1837] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f42496c608e
[  106.798797][ T1837] RDX: 0000000000000000 RSI: 00007ffd9811bc80 RDI: 0000000000000005
[  106.798997][ T1837] RBP: 00007ffd9811bbe0 R08: 0000000000000000 R09: 0000000000000000
[  106.799186][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  106.799375][ T1837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9811c350
| [  106.801901][ T1837] ------------[ cut here ]------------
| [  106.802038][ T1837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1837
| [  106.802290][ T1837] Modules linked in:
| [  106.802646][ T1837] Tainted: [W]=WARN
[  106.802742][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.802907][ T1837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.803081][ T1837] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.803538][ T1837] RSP: 0018:ffa0000005456fc0 EFLAGS: 00010286
[  106.803699][ T1837] RAX: 00000000ffffffa6 RBX: ff1100000e440200 RCX: 1ff4000000a8adbe
[  106.803896][ T1837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4402bc
[  106.804096][ T1837] RBP: ff1100000ed01000 R08: 1fe2200001c88059 R09: ff11000012f48b58
[  106.804284][ T1837] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.804474][ T1837] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d600e50
[  106.804672][ T1837] FS:  00007f424948c840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.804899][ T1837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.805065][ T1837] CR2: 0000000022d21988 CR3: 000000000b884004 CR4: 0000000000771ef0
[  106.805255][ T1837] PKRU: 55555554
[  106.805352][ T1837] Call Trace:
[  106.805447][ T1837]  <TASK>
[  106.805518][ T1837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.805648][ T1837]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.805776][ T1837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.805880][ T1837]  __dev_change_net_namespace (net/core/dev.c:12695)
[  106.806048][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.806174][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.806304][ T1837]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.806462][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.806594][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.806723][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.806850][ T1837]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.806990][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.807123][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.807253][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.807382][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.807546][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.807673][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.807799][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.807932][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.808068][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[  106.808196][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.808327][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.808453][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.808582][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.808710][ T1837]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.808837][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.808971][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.809105][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.809234][ T1837]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.809362][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.809489][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.809623][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.809752][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.809886][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.810023][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.810152][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.810279][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.810409][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.810541][ T1837]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.810668][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.810799][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.810932][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.811065][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.811193][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.811322][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.811450][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.811580][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.811708][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.811835][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.811971][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.812103][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.812232][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.812361][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.812490][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.812626][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.812753][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.812887][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.813021][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.813149][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.813279][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.813408][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.813540][ T1837]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.813669][ T1837]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.813797][ T1837]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.813932][ T1837]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.814097][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[  106.814226][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.814355][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.814485][ T1837]  ___sys_sendmsg (net/socket.c:2752)
[  106.814614][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.814774][ T1837]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.814921][ T1837]  __sys_sendmsg (net/socket.c:2784)
[  106.815053][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.815181][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.815345][ T1837]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.815473][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.815606][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.815732][ T1837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.815861][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.816002][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.816161][ T1837] RIP: 0033:0x7f42496c608e
[  106.816296][ T1837] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.816758][ T1837] RSP: 002b:00007ffd9811bbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.816957][ T1837] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f42496c608e
[  106.817156][ T1837] RDX: 0000000000000000 RSI: 00007ffd9811bc80 RDI: 0000000000000005
[  106.817346][ T1837] RBP: 00007ffd9811bbe0 R08: 0000000000000000 R09: 0000000000000000
[  106.817540][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  106.817730][ T1837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9811c350
| [  106.819603][ T1837] ------------[ cut here ]------------
| [  106.819728][ T1837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1837
| [  106.819995][ T1837] Modules linked in:
| [  106.820351][ T1837] Tainted: [W]=WARN
[  106.820448][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.820611][ T1837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.820777][ T1837] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.821769][ T1837] RSP: 0018:ffa0000005457038 EFLAGS: 00010286
[  106.821992][ T1837] RAX: 00000000ffffffa6 RBX: ff1100000b7d5e00 RCX: 1ff4000000a8adcd
[  106.822182][ T1837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d5ebc
[  106.822372][ T1837] RBP: ff1100000ed01000 R08: 1fe22000016fabd9 R09: ff11000012f48b58
[  106.822565][ T1837] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  106.822753][ T1837] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  106.823005][ T1837] FS:  00007f424948c840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.823231][ T1837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.823389][ T1837] CR2: 0000000022d21988 CR3: 000000000b884004 CR4: 0000000000771ef0
[  106.823583][ T1837] PKRU: 55555554
[  106.823678][ T1837] Call Trace:
[  106.823774][ T1837]  <TASK>
[  106.823840][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.824028][ T1837]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  106.824157][ T1837]  notifier_call_chain (kernel/notifier.c:85)
[  106.824288][ T1837]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[  106.824416][ T1837]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.824580][ T1837]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  106.824739][ T1837]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.824922][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.825056][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[  106.825187][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.825318][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.825476][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.825607][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.825734][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.825861][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.826053][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[  106.826184][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.826314][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.826442][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.826573][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.826702][ T1837]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.826829][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.827016][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.827143][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.827272][ T1837]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.827399][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.827531][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.827660][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.827788][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.827938][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.828075][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.828206][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.828335][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.828462][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.828594][ T1837]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.828722][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.828852][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.828991][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.829120][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.829251][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.829380][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.829512][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.829640][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.829767][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.829899][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.830036][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.830163][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.830295][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.830422][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.830553][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.830684][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.830810][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.830945][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.831080][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.831210][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.831339][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.831468][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.831600][ T1837]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.831730][ T1837]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.831858][ T1837]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.831996][ T1837]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.832155][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[  106.832286][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.832413][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.832545][ T1837]  ___sys_sendmsg (net/socket.c:2752)
[  106.832673][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.832831][ T1837]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.832981][ T1837]  __sys_sendmsg (net/socket.c:2784)
[  106.833110][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.833238][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.833401][ T1837]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.833533][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.833662][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.833789][ T1837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.833924][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.834058][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.834220][ T1837] RIP: 0033:0x7f42496c608e
[  106.834353][ T1837] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.834810][ T1837] RSP: 002b:00007ffd9811bbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.835021][ T1837] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f42496c608e
[  106.835214][ T1837] RDX: 0000000000000000 RSI: 00007ffd9811bc80 RDI: 0000000000000005
[  106.835406][ T1837] RBP: 00007ffd9811bbe0 R08: 0000000000000000 R09: 0000000000000000
[  106.835601][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  106.835791][ T1837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9811c350
| [  106.837958][ T1837] ------------[ cut here ]------------
| [  106.838091][ T1837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1837
| [  106.838344][ T1837] Modules linked in:
| [  106.838704][ T1837] Tainted: [W]=WARN
[  106.838802][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.839340][ T1837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.839512][ T1837] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.840032][ T1837] RSP: 0018:ffa0000005457020 EFLAGS: 00010286
[  106.840196][ T1837] RAX: 00000000ffffffa6 RBX: ff1100000d4731c0 RCX: 1ff4000000a8adca
[  106.840387][ T1837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d47327c
[  106.840581][ T1837] RBP: ff1100000ed01000 R08: 1fe2200001a8e651 R09: ff11000012f48b58
[  106.840772][ T1837] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  106.841027][ T1837] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  106.841277][ T1837] FS:  00007f424948c840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.841507][ T1837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.841670][ T1837] CR2: 0000000022d21988 CR3: 000000000b884004 CR4: 0000000000771ef0
[  106.841864][ T1837] PKRU: 55555554
[  106.842021][ T1837] Call Trace:
[  106.842118][ T1837]  <TASK>
[  106.842185][ T1837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.842318][ T1837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.842416][ T1837]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  106.842549][ T1837]  __dev_notify_flags (net/core/dev.c:9787)
[  106.842680][ T1837]  ? netif_change_name (net/core/dev.c:1495)
[  106.842810][ T1837]  ? __dev_change_flags (net/core/dev.c:9752)
[  106.843000][ T1837]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  106.843131][ T1837]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  106.843293][ T1837]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.843423][ T1837]  netif_change_flags (net/core/dev.c:9820)
[  106.843555][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  106.843688][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.843819][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.844041][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.844171][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.844301][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.844429][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.844563][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[  106.844692][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.844823][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.845014][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.845145][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.845275][ T1837]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.845403][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.845535][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.845663][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.845793][ T1837]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.845984][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.846114][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.846246][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.846376][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.846512][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.846644][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.846774][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.846959][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.847093][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.847222][ T1837]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.847351][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.847485][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.847615][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.847744][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.847928][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.848066][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.848197][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.848326][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.848458][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.848588][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.848718][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.848846][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.849035][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.849165][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.849295][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.849429][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.849562][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.849694][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.849824][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.850015][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.850146][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.850277][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.850406][ T1837]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.850542][ T1837]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.850671][ T1837]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.850800][ T1837]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.851021][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[  106.851154][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.851285][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.851416][ T1837]  ___sys_sendmsg (net/socket.c:2752)
[  106.851551][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.851711][ T1837]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.851854][ T1837]  __sys_sendmsg (net/socket.c:2784)
[  106.852046][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.852176][ T1837]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.852339][ T1837]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.852469][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.852605][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.852735][ T1837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.852922][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.853058][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.853219][ T1837] RIP: 0033:0x7f42496c608e
[  106.853354][ T1837] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.853815][ T1837] RSP: 002b:00007ffd9811bbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.854071][ T1837] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f42496c608e
[  106.854264][ T1837] RDX: 0000000000000000 RSI: 00007ffd9811bc80 RDI: 0000000000000005
[  106.854456][ T1837] RBP: 00007ffd9811bbe0 R08: 0000000000000000 R09: 0000000000000000
[  106.854653][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  106.854845][ T1837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9811c350
| [  106.892475][ T1838] ------------[ cut here ]------------
| [  106.892626][ T1838] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1838
| [  106.892905][ T1838] Modules linked in:
| [  106.893283][ T1838] Tainted: [W]=WARN
[  106.893385][ T1838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.893554][ T1838] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.893730][ T1838] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.894615][ T1838] RSP: 0018:ffa0000005466e30 EFLAGS: 00010286
[  106.894786][ T1838] RAX: 00000000ffffffa6 RBX: ff1100000a9a6040 RCX: 1ff4000000a8cd8c
[  106.894996][ T1838] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a60fc
[  106.895198][ T1838] RBP: ff110000089c1000 R08: 1fe2200001534c21 R09: ff11000012f4ae80
[  106.895398][ T1838] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.895601][ T1838] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c7fe700
[  106.895804][ T1838] FS:  00007f2b9ffea840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.896050][ T1838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.896219][ T1838] CR2: 00007f2ba0351f65 CR3: 0000000012e27001 CR4: 0000000000771ef0
[  106.896421][ T1838] PKRU: 55555554
[  106.896521][ T1838] Call Trace:
[  106.896621][ T1838]  <TASK>
[  106.896690][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.896826][ T1838]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.896970][ T1838]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.897077][ T1838]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[  106.897212][ T1838]  __dev_notify_flags (net/core/dev.c:9787)
[  106.897347][ T1838]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[  106.897482][ T1838]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[  106.897619][ T1838]  ? netif_change_name (net/core/dev.c:1495)
[  106.897753][ T1838]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.897893][ T1838]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.898032][ T1838]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.898166][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.898300][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.898434][ T1838]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  106.898572][ T1838]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.898705][ T1838]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  106.898838][ T1838]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  106.898984][ T1838]  veth_newlink (drivers/net/veth.c:1871)
[  106.899120][ T1838]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  106.899253][ T1838]  ? kasan_save_stack (mm/kasan/common.c:57)
[  106.899386][ T1838]  ? kasan_save_track (mm/kasan/common.c:78)
[  106.899520][ T1838]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  106.899669][ T1838]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  106.899805][ T1838]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  106.899947][ T1838]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.900088][ T1838]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.900224][ T1838]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  106.900360][ T1838]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  106.900497][ T1838]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.900635][ T1838]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.900770][ T1838]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.900917][ T1838]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.901059][ T1838]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.901194][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.901327][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.901462][ T1838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.901600][ T1838]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.901733][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.901878][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.902018][ T1838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.902152][ T1838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.902285][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.902420][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.902554][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.902690][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.902825][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.902965][ T1838]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.903105][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.903241][ T1838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.903379][ T1838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.903516][ T1838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.903653][ T1838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.903788][ T1838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.903929][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.904070][ T1838]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.904206][ T1838]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.904340][ T1838]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.904477][ T1838]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.904615][ T1838]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.904748][ T1838]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.904919][ T1838]  ? move_addr_to_kernel (net/socket.c:258)
[  106.905061][ T1838]  ___sys_sendmsg (net/socket.c:2752)
[  106.905195][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.905329][ T1838]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.905472][ T1838]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.905613][ T1838]  __sys_sendmsg (net/socket.c:2784)
[  106.905747][ T1838]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.905891][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.906031][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.906166][ T1838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.906299][ T1838]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.906434][ T1838]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.906571][ T1838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.906738][ T1838] RIP: 0033:0x7f2ba022408e
[  106.906881][ T1838] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.907364][ T1838] RSP: 002b:00007ffcd83b9420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.907569][ T1838] RAX: ffffffffffffffda RBX: 00007ffcd83b9bc8 RCX: 00007f2ba022408e
[  106.907768][ T1838] RDX: 0000000000000000 RSI: 00007ffcd83b94d0 RDI: 0000000000000005
[  106.907979][ T1838] RBP: 00007ffcd83b9430 R08: 0000000000000000 R09: 0000000000000000
[  106.908180][ T1838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  106.908380][ T1838] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd83b9ba0
| [  106.917582][ T1838] ------------[ cut here ]------------
| [  106.917722][ T1838] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1838
| [  106.917994][ T1838] Modules linked in:
| [  106.918361][ T1838] Tainted: [W]=WARN
[  106.918461][ T1838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.918633][ T1838] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.918805][ T1838] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.919345][ T1838] RSP: 0018:ffa00000054671b0 EFLAGS: 00010286
[  106.919515][ T1838] RAX: 00000000ffffffa6 RBX: ff1100000efa0ac0 RCX: 1ff4000000a8cdfc
[  106.919712][ T1838] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000efa0b7c
[  106.919965][ T1838] RBP: ff11000009599000 R08: 1fe2200001df4171 R09: ff11000012f4ae80
[  106.920166][ T1838] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.920362][ T1838] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87403b20
[  106.920563][ T1838] FS:  00007f2b9ffea840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  106.920795][ T1838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.921026][ T1838] CR2: 00007f2ba0351f65 CR3: 0000000012e27001 CR4: 0000000000771ef0
[  106.921224][ T1838] PKRU: 55555554
[  106.921324][ T1838] Call Trace:
[  106.921479][ T1838]  <TASK>
[  106.921552][ T1838]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.921686][ T1838]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.921787][ T1838]  __dev_notify_flags (net/core/dev.c:9787)
[  106.921982][ T1838]  ? netif_change_name (net/core/dev.c:1495)
[  106.922117][ T1838]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  106.922249][ T1838]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  106.922383][ T1838]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  106.922520][ T1838]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  106.922654][ T1838]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  106.922788][ T1838]  ? __dev_get_by_name (net/core/dev.c:883)
[  106.922996][ T1838]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  106.923135][ T1838]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  106.923271][ T1838]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.923405][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.923541][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.923672][ T1838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.923804][ T1838]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.924036][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.924174][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.924308][ T1838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.924440][ T1838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.924577][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.924709][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.924841][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.925072][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.925204][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.925339][ T1838]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.925473][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.925609][ T1838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.925746][ T1838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.925972][ T1838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.926111][ T1838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.926245][ T1838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.926380][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.926515][ T1838]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.926649][ T1838]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.926782][ T1838]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.927006][ T1838]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.927139][ T1838]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.927271][ T1838]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.927434][ T1838]  ? move_addr_to_kernel (net/socket.c:258)
[  106.927577][ T1838]  ___sys_sendmsg (net/socket.c:2752)
[  106.927708][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.927841][ T1838]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.928003][ T1838]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  106.928139][ T1838]  __sys_sendmsg (net/socket.c:2784)
[  106.928271][ T1838]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.928407][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.928544][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.928677][ T1838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.928809][ T1838]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.928944][ T1838]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.929080][ T1838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.929244][ T1838] RIP: 0033:0x7f2ba022408e
[  106.929381][ T1838] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.929856][ T1838] RSP: 002b:00007ffcd83b9420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.930072][ T1838] RAX: ffffffffffffffda RBX: 00007ffcd83b9bc8 RCX: 00007f2ba022408e
[  106.930270][ T1838] RDX: 0000000000000000 RSI: 00007ffcd83b94d0 RDI: 0000000000000005
[  106.930468][ T1838] RBP: 00007ffcd83b9430 R08: 0000000000000000 R09: 0000000000000000
[  106.930669][ T1838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  106.930865][ T1838] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd83b9ba0
| [  106.969405][ T1839] ------------[ cut here ]------------
| [  106.969563][ T1839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1839
| [  106.969813][ T1839] Modules linked in:
| [  106.970179][ T1839] Tainted: [W]=WARN
[  106.970275][ T1839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.970434][ T1839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.970604][ T1839] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.971068][ T1839] RSP: 0018:ffa0000005476ff8 EFLAGS: 00010286
[  106.971227][ T1839] RAX: 00000000ffffffa6 RBX: ff11000008dc6c80 RCX: 1ff4000000a8edc5
[  106.971416][ T1839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc6d3c
[  106.971607][ T1839] RBP: ff110000089c1000 R08: 1fe22000011b8da9 R09: ff11000012f4d158
[  106.971795][ T1839] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.971994][ T1839] R13: 0000000000000000 R14: ffa0000005477140 R15: ff110000128703d0
[  106.972191][ T1839] FS:  00007fc742df1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.972412][ T1839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.972573][ T1839] CR2: 00007fc7430c11a0 CR3: 0000000010336001 CR4: 0000000000771ef0
[  106.972765][ T1839] PKRU: 55555554
[  106.972858][ T1839] Call Trace:
[  106.972959][ T1839]  <TASK>
[  106.973031][ T1839]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[  106.973159][ T1839]  __dev_change_net_namespace (net/core/dev.c:12635)
[  106.973317][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.973443][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.973575][ T1839]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.973732][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.973856][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.974086][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.974215][ T1839]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.974341][ T1839]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.974469][ T1839]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.974603][ T1839]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.974730][ T1839]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.974894][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.975027][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.975153][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.975278][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.975405][ T1839]  ? __kernel_text_address (kernel/extable.c:79)
[  106.975537][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.975664][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.975790][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.975923][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.976051][ T1839]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.976175][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.976300][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.976426][ T1839]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.976557][ T1839]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.976683][ T1839]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.976810][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.976943][ T1839]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.977075][ T1839]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.977204][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.977333][ T1839]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.977463][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.977592][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.977717][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.977844][ T1839]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.977973][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.978108][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.978235][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.978360][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.978487][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.978616][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.978743][ T1839]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.978875][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.979008][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.979134][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.979260][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.979386][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.979516][ T1839]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.979641][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.979767][ T1839]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.979902][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.980033][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.980161][ T1839]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.980288][ T1839]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.980416][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.980546][ T1839]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.980673][ T1839]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.980801][ T1839]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.980937][ T1839]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.981070][ T1839]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.981197][ T1839]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.981355][ T1839]  ? move_addr_to_kernel (net/socket.c:258)
[  106.981482][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.981611][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.981738][ T1839]  ___sys_sendmsg (net/socket.c:2752)
[  106.981865][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  106.982034][ T1839]  ? copy_msghdr_from_user (net/socket.c:2603)
[  106.982174][ T1839]  __sys_sendmsg (net/socket.c:2784)
[  106.982301][ T1839]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  106.982427][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  106.982587][ T1839]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.982715][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.982845][ T1839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  106.982979][ T1839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  106.983105][ T1839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  106.983231][ T1839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.983389][ T1839] RIP: 0033:0x7fc74302b08e
[  106.983521][ T1839] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.983981][ T1839] RSP: 002b:00007ffed6a9ffc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.984172][ T1839] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc74302b08e
[  106.984359][ T1839] RDX: 0000000000000000 RSI: 00007ffed6aa0070 RDI: 0000000000000005
[  106.984549][ T1839] RBP: 00007ffed6a9ffd0 R08: 0000000000000000 R09: 0000000000000000
[  106.984737][ T1839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  106.984933][ T1839] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed6aa0740
| [  106.987492][ T1839] ------------[ cut here ]------------
| [  106.987623][ T1839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1839
| [  106.987879][ T1839] Modules linked in:
| [  106.988239][ T1839] Tainted: [W]=WARN
[  106.988336][ T1839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.988496][ T1839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.988666][ T1839] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  106.989135][ T1839] RSP: 0018:ffa0000005476fc0 EFLAGS: 00010286
[  106.989295][ T1839] RAX: 00000000ffffffa6 RBX: ff1100000c9b2040 RCX: 1ff4000000a8edbe
[  106.989488][ T1839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9b20fc
[  106.989682][ T1839] RBP: ff110000089c1000 R08: 1fe2200001936421 R09: ff11000012f4d158
[  106.989878][ T1839] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.990073][ T1839] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000128703d0
[  106.990267][ T1839] FS:  00007fc742df1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  106.990491][ T1839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.990655][ T1839] CR2: 00007fc7430c11a0 CR3: 0000000010336001 CR4: 0000000000771ef0
[  106.990847][ T1839] PKRU: 55555554
[  106.990947][ T1839] Call Trace:
[  106.991046][ T1839]  <TASK>
[  106.991113][ T1839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.991245][ T1839]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.991374][ T1839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.991472][ T1839]  __dev_change_net_namespace (net/core/dev.c:12695)
[  106.991636][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.991763][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.991899][ T1839]  ? default_device_exit_batch (net/core/dev.c:13091)
[  106.992064][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.992192][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.992321][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.992450][ T1839]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  106.992581][ T1839]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.992712][ T1839]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[  106.992843][ T1839]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  106.993007][ T1839]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  106.993169][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.993297][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.993425][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.993554][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.993683][ T1839]  ? __kernel_text_address (kernel/extable.c:79)
[  106.993811][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.993945][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.994080][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.994208][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.994336][ T1839]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.994463][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.994595][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.994724][ T1839]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  106.994853][ T1839]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  106.994991][ T1839]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  106.995120][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  106.995249][ T1839]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  106.995376][ T1839]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.995510][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  106.995641][ T1839]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  106.995770][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.995902][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.996037][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.996164][ T1839]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  106.996291][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.996420][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.996550][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.996677][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.996803][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.996940][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  106.997074][ T1839]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  106.997202][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  106.997330][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.997456][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.997587][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.997714][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  106.997842][ T1839]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  106.997980][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.998109][ T1839]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.998240][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  106.998367][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  106.998496][ T1839]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.998630][ T1839]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.998757][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  106.998891][ T1839]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  106.999028][ T1839]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  106.999158][ T1839]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  106.999287][ T1839]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  106.999414][ T1839]  ? copy_msghdr_from_user (net/socket.c:2635)
[  106.999545][ T1839]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  106.999704][ T1839]  ? move_addr_to_kernel (net/socket.c:258)
[  106.999833][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.999969][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.000104][ T1839]  ___sys_sendmsg (net/socket.c:2752)
[  107.000231][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.000390][ T1839]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.000532][ T1839]  __sys_sendmsg (net/socket.c:2784)
[  107.000661][ T1839]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.000789][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.000959][ T1839]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.001093][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.001223][ T1839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.001350][ T1839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.001476][ T1839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.001608][ T1839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.001767][ T1839] RIP: 0033:0x7fc74302b08e
[  107.001906][ T1839] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.002370][ T1839] RSP: 002b:00007ffed6a9ffc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.002568][ T1839] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc74302b08e
[  107.002762][ T1839] RDX: 0000000000000000 RSI: 00007ffed6aa0070 RDI: 0000000000000005
[  107.002958][ T1839] RBP: 00007ffed6a9ffd0 R08: 0000000000000000 R09: 0000000000000000
[  107.003154][ T1839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.003344][ T1839] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed6aa0740
| [  107.005242][ T1839] ------------[ cut here ]------------
| [  107.005369][ T1839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1839
| [  107.005622][ T1839] Modules linked in:
| [  107.006249][ T1839] Tainted: [W]=WARN
[  107.006347][ T1839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.006508][ T1839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.006674][ T1839] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.007141][ T1839] RSP: 0018:ffa0000005477038 EFLAGS: 00010286
[  107.007301][ T1839] RAX: 00000000ffffffa6 RBX: ff1100000c9b2200 RCX: 1ff4000000a8edcd
[  107.007490][ T1839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9b22bc
[  107.007685][ T1839] RBP: ff110000089c1000 R08: 1fe2200001936459 R09: ff11000012f4d158
[  107.007878][ T1839] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  107.008073][ T1839] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  107.008265][ T1839] FS:  00007fc742df1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.008490][ T1839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.008652][ T1839] CR2: 00007fc7430c11a0 CR3: 0000000010336001 CR4: 0000000000771ef0
[  107.008843][ T1839] PKRU: 55555554
[  107.008943][ T1839] Call Trace:
[  107.009043][ T1839]  <TASK>
[  107.009109][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.009238][ T1839]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.009366][ T1839]  notifier_call_chain (kernel/notifier.c:85)
[  107.009498][ T1839]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[  107.009631][ T1839]  ? default_device_exit_batch (net/core/dev.c:13091)
[  107.009790][ T1839]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  107.009954][ T1839]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.010087][ T1839]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  107.010216][ T1839]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[  107.010346][ T1839]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.010475][ T1839]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.010638][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.010765][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.010899][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.011037][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.011164][ T1839]  ? __kernel_text_address (kernel/extable.c:79)
[  107.011293][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.011421][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.011550][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.011678][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.011805][ T1839]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.011938][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.012068][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.012196][ T1839]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.012326][ T1839]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.012453][ T1839]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.012583][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.012712][ T1839]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.012838][ T1839]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.012974][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.013110][ T1839]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.013239][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.013368][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.013495][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.013626][ T1839]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.013752][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.013885][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.014018][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.014145][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.014274][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.014403][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.014533][ T1839]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.014660][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.014787][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.014918][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.015052][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.015178][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.015308][ T1839]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.015437][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.015569][ T1839]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.015700][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.015828][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.015971][ T1839]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.016107][ T1839]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.016237][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.016366][ T1839]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.016496][ T1839]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.016630][ T1839]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.016760][ T1839]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.016894][ T1839]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.017028][ T1839]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.017187][ T1839]  ? move_addr_to_kernel (net/socket.c:258)
[  107.017317][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.017445][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.017577][ T1839]  ___sys_sendmsg (net/socket.c:2752)
[  107.017706][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.017865][ T1839]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.018016][ T1839]  __sys_sendmsg (net/socket.c:2784)
[  107.018145][ T1839]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.018273][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.018434][ T1839]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.018566][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.018695][ T1839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.018823][ T1839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.018956][ T1839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.019089][ T1839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.019249][ T1839] RIP: 0033:0x7fc74302b08e
[  107.019382][ T1839] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.019841][ T1839] RSP: 002b:00007ffed6a9ffc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.020044][ T1839] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc74302b08e
[  107.020237][ T1839] RDX: 0000000000000000 RSI: 00007ffed6aa0070 RDI: 0000000000000005
[  107.020429][ T1839] RBP: 00007ffed6a9ffd0 R08: 0000000000000000 R09: 0000000000000000
[  107.020623][ T1839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.020815][ T1839] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed6aa0740
| [  107.022994][ T1839] ------------[ cut here ]------------
| [  107.023123][ T1839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1839
| [  107.023374][ T1839] Modules linked in:
| [  107.023735][ T1839] Tainted: [W]=WARN
[  107.023832][ T1839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.024007][ T1839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.024174][ T1839] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.024637][ T1839] RSP: 0018:ffa0000005477020 EFLAGS: 00010286
[  107.024798][ T1839] RAX: 00000000ffffffa6 RBX: ff1100000cb68ac0 RCX: 1ff4000000a8edca
[  107.025002][ T1839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb68b7c
[  107.025195][ T1839] RBP: ff110000089c1000 R08: 1fe220000196d171 R09: ff11000012f4d158
[  107.025387][ T1839] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  107.025582][ T1839] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.025775][ T1839] FS:  00007fc742df1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.026012][ T1839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.026175][ T1839] CR2: 00007fc7430c11a0 CR3: 0000000010336001 CR4: 0000000000771ef0
[  107.026369][ T1839] PKRU: 55555554
[  107.026466][ T1839] Call Trace:
[  107.026566][ T1839]  <TASK>
[  107.026633][ T1839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.026763][ T1839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.026863][ T1839]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  107.027002][ T1839]  __dev_notify_flags (net/core/dev.c:9787)
[  107.027132][ T1839]  ? netif_change_name (net/core/dev.c:1495)
[  107.027262][ T1839]  ? __dev_change_flags (net/core/dev.c:9752)
[  107.027390][ T1839]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.027520][ T1839]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[  107.027683][ T1839]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.027814][ T1839]  netif_change_flags (net/core/dev.c:9820)
[  107.027948][ T1839]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  107.028085][ T1839]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.028215][ T1839]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.028376][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.028506][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.028637][ T1839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.028765][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.028900][ T1839]  ? __kernel_text_address (kernel/extable.c:79)
[  107.029036][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.029166][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.029295][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.029425][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.029556][ T1839]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.029685][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.029813][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.029946][ T1839]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.030081][ T1839]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.030210][ T1839]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.030338][ T1839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.030469][ T1839]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.030603][ T1839]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.030733][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.030865][ T1839]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.031007][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.031135][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.031263][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.031392][ T1839]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.031521][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.031652][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.031780][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.031912][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.032047][ T1839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.032177][ T1839]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.032306][ T1839]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.032435][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.032569][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.032698][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.032828][ T1839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.032962][ T1839]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.033097][ T1839]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.033225][ T1839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.033353][ T1839]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.033485][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.033616][ T1839]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.033746][ T1839]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.033881][ T1839]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.034017][ T1839]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.034147][ T1839]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.034277][ T1839]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.034408][ T1839]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.034542][ T1839]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.034672][ T1839]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.034800][ T1839]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.035059][ T1839]  ? move_addr_to_kernel (net/socket.c:258)
[  107.035190][ T1839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.035319][ T1839]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.035449][ T1839]  ___sys_sendmsg (net/socket.c:2752)
[  107.035580][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.035828][ T1839]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.035982][ T1839]  __sys_sendmsg (net/socket.c:2784)
[  107.036113][ T1839]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.036326][ T1839]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.036488][ T1839]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.036620][ T1839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.036750][ T1839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.036973][ T1839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.037105][ T1839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.037234][ T1839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.037395][ T1839] RIP: 0033:0x7fc74302b08e
[  107.037625][ T1839] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.038183][ T1839] RSP: 002b:00007ffed6a9ffc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.038377][ T1839] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc74302b08e
[  107.038574][ T1839] RDX: 0000000000000000 RSI: 00007ffed6aa0070 RDI: 0000000000000005
[  107.038854][ T1839] RBP: 00007ffed6a9ffd0 R08: 0000000000000000 R09: 0000000000000000
[  107.039058][ T1839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.039252][ T1839] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed6aa0740
| [  107.076671][ T1840] ------------[ cut here ]------------
| [  107.076820][ T1840] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1840
| [  107.077098][ T1840] Modules linked in:
| [  107.077470][ T1840] Tainted: [W]=WARN
[  107.077575][ T1840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.077745][ T1840] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.077926][ T1840] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.078402][ T1840] RSP: 0018:ffa00000054871b0 EFLAGS: 00010286
[  107.078571][ T1840] RAX: 00000000ffffffa6 RBX: ff1100000c0858c0 RCX: 1ff4000000a90dfc
[  107.078767][ T1840] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c08597c
[  107.078971][ T1840] RBP: ff1100001006a000 R08: 1fe2200001810b31 R09: ff110000128b8b80
[  107.079175][ T1840] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  107.079372][ T1840] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[  107.079575][ T1840] FS:  00007fadcdf24840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  107.079807][ T1840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.079984][ T1840] CR2: 00000000004a04a0 CR3: 0000000012e27003 CR4: 0000000000771ef0
[  107.080185][ T1840] PKRU: 55555554
[  107.080283][ T1840] Call Trace:
[  107.080381][ T1840]  <TASK>
[  107.080450][ T1840]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.080586][ T1840]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.080687][ T1840]  __dev_notify_flags (net/core/dev.c:9787)
[  107.080822][ T1840]  ? netif_change_name (net/core/dev.c:1495)
[  107.080962][ T1840]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  107.081133][ T1840]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  107.081267][ T1840]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  107.081400][ T1840]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[  107.081538][ T1840]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  107.081672][ T1840]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  107.081805][ T1840]  ? __dev_get_by_name (net/core/dev.c:883)
[  107.081943][ T1840]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  107.082088][ T1840]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  107.082224][ T1840]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.082358][ T1840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.082489][ T1840]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.082623][ T1840]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.082755][ T1840]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.082893][ T1840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.083035][ T1840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.083168][ T1840]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.083302][ T1840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.083434][ T1840]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.083570][ T1840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.083703][ T1840]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.083839][ T1840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.083982][ T1840]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.084117][ T1840]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.084249][ T1840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.084383][ T1840]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.084522][ T1840]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.084653][ T1840]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.084788][ T1840]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.084928][ T1840]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.085068][ T1840]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.085202][ T1840]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.085336][ T1840]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.085470][ T1840]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.085606][ T1840]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.085738][ T1840]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.085877][ T1840]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.086048][ T1840]  ? move_addr_to_kernel (net/socket.c:258)
[  107.086181][ T1840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.086314][ T1840]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  107.086448][ T1840]  ___sys_sendmsg (net/socket.c:2752)
[  107.086582][ T1840]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[  107.086715][ T1840]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.086853][ T1840]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  107.086998][ T1840]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  107.087133][ T1840]  __sys_sendmsg (net/socket.c:2784)
[  107.087265][ T1840]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.087402][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.087539][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.087672][ T1840]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.087805][ T1840]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.087945][ T1840]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.088084][ T1840]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.088248][ T1840] RIP: 0033:0x7fadce15e08e
[  107.088386][ T1840] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.088861][ T1840] RSP: 002b:00007fff96147fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.089074][ T1840] RAX: ffffffffffffffda RBX: 00007fff96148778 RCX: 00007fadce15e08e
[  107.089272][ T1840] RDX: 0000000000000000 RSI: 00007fff96148080 RDI: 0000000000000005
[  107.089469][ T1840] RBP: 00007fff96147fe0 R08: 0000000000000000 R09: 0000000000000000
[  107.089670][ T1840] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.089872][ T1840] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff96148750
| [  107.117677][ T1841] ------------[ cut here ]------------
| [  107.117825][ T1841] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1841
| [  107.118105][ T1841] Modules linked in:
| [  107.118475][ T1841] Tainted: [W]=WARN
[  107.118578][ T1841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.118740][ T1841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.118915][ T1841] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.119382][ T1841] RSP: 0018:ffa0000005497020 EFLAGS: 00010286
[  107.119547][ T1841] RAX: 00000000ffffffa6 RBX: ff11000009454200 RCX: 1ff4000000a92dca
[  107.119739][ T1841] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094542bc
[  107.120154][ T1841] RBP: ff1100001006a000 R08: 1fe220000128a859 R09: ff110000128bae58
[  107.120349][ T1841] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  107.120545][ T1841] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.120739][ T1841] FS:  00007f79785a9840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.120974][ T1841] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.121143][ T1841] CR2: 0000000015b33988 CR3: 0000000010336003 CR4: 0000000000771ef0
[  107.121336][ T1841] PKRU: 55555554
[  107.121434][ T1841] Call Trace:
[  107.121535][ T1841]  <TASK>
[  107.121602][ T1841]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.121734][ T1841]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.121833][ T1841]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  107.121969][ T1841]  __dev_notify_flags (net/core/dev.c:9787)
[  107.122106][ T1841]  ? netif_change_name (net/core/dev.c:1495)
[  107.122236][ T1841]  ? __dev_change_flags (net/core/dev.c:9752)
[  107.122366][ T1841]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.122495][ T1841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.122630][ T1841]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.122762][ T1841]  netif_change_flags (net/core/dev.c:9820)
[  107.122900][ T1841]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  107.123037][ T1841]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  107.123169][ T1841]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.123300][ T1841]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.123461][ T1841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.123594][ T1841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.123724][ T1841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.123854][ T1841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.123994][ T1841]  ? __kernel_text_address (kernel/extable.c:79)
[  107.124124][ T1841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.124255][ T1841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.124383][ T1841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.124517][ T1841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.124646][ T1841]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.124777][ T1841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.124911][ T1841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.125047][ T1841]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.125176][ T1841]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.125306][ T1841]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.125436][ T1841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.125572][ T1841]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.125705][ T1841]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.125839][ T1841]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.125981][ T1841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.126110][ T1841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.126239][ T1841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.126367][ T1841]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.126495][ T1841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.126631][ T1841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.126761][ T1841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.126897][ T1841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.127034][ T1841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.127164][ T1841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.127293][ T1841]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.127422][ T1841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.127552][ T1841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.127682][ T1841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.127815][ T1841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.127949][ T1841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.128085][ T1841]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.128215][ T1841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.128344][ T1841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.128478][ T1841]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.128611][ T1841]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.128743][ T1841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.128883][ T1841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.129020][ T1841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.129153][ T1841]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.129284][ T1841]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.129414][ T1841]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.129550][ T1841]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.129679][ T1841]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.129811][ T1841]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.129985][ T1841]  ? move_addr_to_kernel (net/socket.c:258)
[  107.130116][ T1841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.130245][ T1841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.130376][ T1841]  ___sys_sendmsg (net/socket.c:2752)
[  107.130508][ T1841]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.130673][ T1841]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.130817][ T1841]  __sys_sendmsg (net/socket.c:2784)
[  107.130952][ T1841]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.131083][ T1841]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.131245][ T1841]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.131376][ T1841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.131510][ T1841]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.131640][ T1841]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.131770][ T1841]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.131907][ T1841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.132076][ T1841] RIP: 0033:0x7f79787e308e
[  107.132211][ T1841] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.132675][ T1841] RSP: 002b:00007ffe701f7c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.132877][ T1841] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f79787e308e
[  107.133076][ T1841] RDX: 0000000000000000 RSI: 00007ffe701f7d10 RDI: 0000000000000005
[  107.133270][ T1841] RBP: 00007ffe701f7c70 R08: 0000000000000000 R09: 0000000000000000
[  107.133463][ T1841] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.133662][ T1841] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe701f83e0
| [  107.219248][ T1844] ------------[ cut here ]------------
| [  107.219396][ T1844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1844
| [  107.219662][ T1844] Modules linked in:
| [  107.220041][ T1844] Tainted: [W]=WARN
[  107.220139][ T1844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.220300][ T1844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.220469][ T1844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.221169][ T1844] RSP: 0018:ffa00000054c7020 EFLAGS: 00010286
[  107.221333][ T1844] RAX: 00000000ffffffa6 RBX: ff1100000f1bc900 RCX: 1ff4000000a98dca
[  107.221531][ T1844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bc9bc
[  107.221725][ T1844] RBP: ff1100000a3dc000 R08: 1fe2200001e37939 R09: ff11000012500b58
[  107.221980][ T1844] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  107.222173][ T1844] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.222366][ T1844] FS:  00007f51edbbf840(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  107.222595][ T1844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.222757][ T1844] CR2: 00000000004eba70 CR3: 0000000012e27004 CR4: 0000000000771ef0
[  107.223011][ T1844] PKRU: 55555554
[  107.223110][ T1844] Call Trace:
[  107.223208][ T1844]  <TASK>
[  107.223341][ T1844]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.223475][ T1844]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.223577][ T1844]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  107.223705][ T1844]  __dev_notify_flags (net/core/dev.c:9787)
[  107.223837][ T1844]  ? netif_change_name (net/core/dev.c:1495)
[  107.224058][ T1844]  ? __dev_change_flags (net/core/dev.c:9752)
[  107.224189][ T1844]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.224317][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.224448][ T1844]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.224580][ T1844]  netif_change_flags (net/core/dev.c:9820)
[  107.224711][ T1844]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  107.224839][ T1844]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  107.225065][ T1844]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.225197][ T1844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.225357][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.225487][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.225617][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.225746][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.225961][ T1844]  ? __kernel_text_address (kernel/extable.c:79)
[  107.226095][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.226226][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.226355][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.226485][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.226614][ T1844]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.226743][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.226937][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.227075][ T1844]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.227205][ T1844]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.227333][ T1844]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.227463][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.227597][ T1844]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.227726][ T1844]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.227857][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.228083][ T1844]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.228214][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.228342][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.228470][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.228603][ T1844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.228731][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.228863][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.229014][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.229143][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.229272][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.229401][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.229536][ T1844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.229665][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.229793][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.229925][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.230059][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.230188][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.230317][ T1844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.230446][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.230581][ T1844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.230714][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.230841][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.230981][ T1844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.231111][ T1844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.231240][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.231372][ T1844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.231502][ T1844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.231637][ T1844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.231767][ T1844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.231908][ T1844]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.232042][ T1844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.232202][ T1844]  ? move_addr_to_kernel (net/socket.c:258)
[  107.232333][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.232462][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.232599][ T1844]  ___sys_sendmsg (net/socket.c:2752)
[  107.232728][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.232893][ T1844]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.233041][ T1844]  __sys_sendmsg (net/socket.c:2784)
[  107.233174][ T1844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.233303][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.233467][ T1844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.233601][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.233731][ T1844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.233860][ T1844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.234002][ T1844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.234131][ T1844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.234290][ T1844] RIP: 0033:0x7f51eddf908e
[  107.234425][ T1844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.234894][ T1844] RSP: 002b:00007ffd063e3f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.235095][ T1844] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51eddf908e
[  107.235288][ T1844] RDX: 0000000000000000 RSI: 00007ffd063e3ff0 RDI: 0000000000000005
[  107.235483][ T1844] RBP: 00007ffd063e3f50 R08: 0000000000000000 R09: 0000000000000000
[  107.235677][ T1844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.235876][ T1844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd063e46c0
| [  107.238911][ T1844] ------------[ cut here ]------------
| [  107.239090][ T1844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1844
| [  107.239395][ T1844] Modules linked in:
| [  107.239878][ T1844] Tainted: [W]=WARN
[  107.240035][ T1844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.240255][ T1844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.240474][ T1844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.241015][ T1844] RSP: 0018:ffa00000054c6ee0 EFLAGS: 00010286
[  107.241230][ T1844] RAX: 00000000ffffffa6 RBX: ff1100000f1bcc80 RCX: 1ff4000000a98da2
[  107.241477][ T1844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bcd3c
[  107.241725][ T1844] RBP: ff1100000a3dc000 R08: 1fe2200001e379a9 R09: ff11000012500b58
[  107.241989][ T1844] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  107.242233][ T1844] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  107.242481][ T1844] FS:  00007f51edbbf840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.242763][ T1844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.242996][ T1844] CR2: 000055dfdb5e2d5c CR3: 0000000012e27006 CR4: 0000000000771ef0
[  107.243243][ T1844] PKRU: 55555554
[  107.243388][ T1844] Call Trace:
[  107.243536][ T1844]  <TASK>
[  107.243655][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.243834][ T1844]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.244036][ T1844]  notifier_call_chain (kernel/notifier.c:85)
[  107.244221][ T1844]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  107.244401][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.244591][ T1844]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.244773][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.244984][ T1844]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  107.245167][ T1844]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  107.245349][ T1844]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.245532][ T1844]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  107.245715][ T1844]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  107.245911][ T1844]  br_add_if (net/bridge/br_if.c:619)
[  107.246074][ T1844]  do_set_master (net/core/rtnetlink.c:3011)
[  107.246259][ T1844]  ? netif_change_flags (net/core/dev.c:9820)
[  107.246442][ T1844]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.246635][ T1844]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.246817][ T1844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.247053][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.247234][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.247414][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.247606][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.247786][ T1844]  ? __kernel_text_address (kernel/extable.c:79)
[  107.247989][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.248173][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.248353][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.248537][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.248719][ T1844]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.248915][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.249103][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.249287][ T1844]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.249468][ T1844]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.249656][ T1844]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.249837][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.250037][ T1844]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.250217][ T1844]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.250404][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.250596][ T1844]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.250778][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.250973][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.251163][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.251343][ T1844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.251526][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.251716][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.251910][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.252102][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.252286][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.252468][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.252656][ T1844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.252838][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.253035][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.253220][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.253402][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.253589][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.253772][ T1844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.253967][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.254157][ T1844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.254344][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.254526][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.254713][ T1844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.254908][ T1844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.255092][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.255275][ T1844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.255455][ T1844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.255646][ T1844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.255828][ T1844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.256032][ T1844]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.256215][ T1844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.256425][ T1844]  ? move_addr_to_kernel (net/socket.c:258)
[  107.256617][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.256798][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.257000][ T1844]  ___sys_sendmsg (net/socket.c:2752)
[  107.257181][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.257398][ T1844]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.257601][ T1844]  __sys_sendmsg (net/socket.c:2784)
[  107.257783][ T1844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.257984][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.258201][ T1844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.258383][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.258572][ T1844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.258756][ T1844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.258950][ T1844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.259140][ T1844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.259352][ T1844] RIP: 0033:0x7f51eddf908e
[  107.259539][ T1844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.260083][ T1844] RSP: 002b:00007ffd063e3f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.260331][ T1844] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51eddf908e
[  107.260585][ T1844] RDX: 0000000000000000 RSI: 00007ffd063e3ff0 RDI: 0000000000000005
[  107.260829][ T1844] RBP: 00007ffd063e3f50 R08: 0000000000000000 R09: 0000000000000000
[  107.261096][ T1844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.261340][ T1844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd063e46c0
| [  107.263501][ T1844] ------------[ cut here ]------------
| [  107.263687][ T1844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1844
| [  107.264026][ T1844] Modules linked in:
| [  107.264510][ T1844] Tainted: [W]=WARN
[  107.264667][ T1844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.264900][ T1844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.265133][ T1844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.265681][ T1844] RSP: 0018:ffa00000054c6ea0 EFLAGS: 00010286
[  107.265917][ T1844] RAX: 00000000ffffffa6 RBX: ff1100000f1bce40 RCX: 1ff4000000a98d9a
[  107.266180][ T1844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bcefc
[  107.266433][ T1844] RBP: ff1100000a3dc000 R08: 1fe2200001e379e1 R09: ff11000012500b58
[  107.266695][ T1844] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  107.266965][ T1844] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001006adc0
[  107.267230][ T1844] FS:  00007f51edbbf840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.267522][ T1844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.267746][ T1844] CR2: 000055dfdb5e2d5c CR3: 0000000012e27006 CR4: 0000000000771ef0
[  107.268027][ T1844] PKRU: 55555554
[  107.268178][ T1844] Call Trace:
[  107.268329][ T1844]  <TASK>
[  107.268450][ T1844]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.268647][ T1844]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.268801][ T1844]  __dev_notify_flags (net/core/dev.c:9787)
[  107.269128][ T1844]  ? netdev_notice (net/core/dev.c:13008)
[  107.269319][ T1844]  ? netif_change_name (net/core/dev.c:1495)
[  107.269511][ T1844]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  107.269740][ T1844]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.269942][ T1844]  __dev_set_promiscuity (net/core/dev.c:9630)
[  107.270137][ T1844]  netif_set_promiscuity (net/core/dev.c:9639)
[  107.270326][ T1844]  dev_set_promiscuity (net/core/dev_api.c:288)
[  107.270516][ T1844]  br_port_set_promisc (net/bridge/br_if.c:108)
[  107.270707][ T1844]  br_manage_promisc (net/bridge/br_if.c:174)
[  107.270910][ T1844]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.271110][ T1844]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  107.271270][ T1844]  do_set_master (net/core/rtnetlink.c:3011)
[  107.271457][ T1844]  ? netif_change_flags (net/core/dev.c:9820)
[  107.271655][ T1844]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.271846][ T1844]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.272058][ T1844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.272285][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.272474][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.272667][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.272854][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.273067][ T1844]  ? __kernel_text_address (kernel/extable.c:79)
[  107.273256][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.273444][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.273641][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.273829][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.274033][ T1844]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.274219][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.274406][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.274600][ T1844]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.274788][ T1844]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.274996][ T1844]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.275200][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.275388][ T1844]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.275581][ T1844]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.275772][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.275984][ T1844]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.276174][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.276359][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.276550][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.276739][ T1844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.276938][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.277133][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.277318][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.277504][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.277697][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.277898][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.278097][ T1844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.278286][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.278472][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.278664][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.278852][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.279060][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.279252][ T1844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.279439][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.279636][ T1844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.279826][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.280031][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.280221][ T1844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.280408][ T1844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.280601][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.280789][ T1844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.280999][ T1844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.281189][ T1844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.281377][ T1844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.281570][ T1844]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.281756][ T1844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.281993][ T1844]  ? move_addr_to_kernel (net/socket.c:258)
[  107.282183][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.282372][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.282566][ T1844]  ___sys_sendmsg (net/socket.c:2752)
[  107.282752][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.282992][ T1844]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.283193][ T1844]  __sys_sendmsg (net/socket.c:2784)
[  107.283379][ T1844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.283571][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.283795][ T1844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.284005][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.284194][ T1844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.284378][ T1844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.284570][ T1844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.284756][ T1844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.284993][ T1844] RIP: 0033:0x7f51eddf908e
[  107.285186][ T1844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.285729][ T1844] RSP: 002b:00007ffd063e3f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.286005][ T1844] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51eddf908e
[  107.286259][ T1844] RDX: 0000000000000000 RSI: 00007ffd063e3ff0 RDI: 0000000000000005
[  107.286517][ T1844] RBP: 00007ffd063e3f50 R08: 0000000000000000 R09: 0000000000000000
[  107.286773][ T1844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.287051][ T1844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd063e46c0
| [  107.304972][ T1844] ------------[ cut here ]------------
| [  107.305128][ T1844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1844
| [  107.305389][ T1844] Modules linked in:
| [  107.305757][ T1844] Tainted: [W]=WARN
[  107.305857][ T1844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.306035][ T1844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.306208][ T1844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.306673][ T1844] RSP: 0018:ffa00000054c7000 EFLAGS: 00010286
[  107.306839][ T1844] RAX: 00000000ffffffa6 RBX: ff1100000f1bda80 RCX: 1ff4000000a98dc6
[  107.307047][ T1844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bdb3c
[  107.307241][ T1844] RBP: ff1100001006a000 R08: 1fe2200001e37b69 R09: ff11000012500b58
[  107.307434][ T1844] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  107.307630][ T1844] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.307827][ T1844] FS:  00007f51edbbf840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  107.308068][ T1844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.308231][ T1844] CR2: 00007f7978676574 CR3: 0000000012e27001 CR4: 0000000000771ef0
[  107.308426][ T1844] PKRU: 55555554
[  107.308527][ T1844] Call Trace:
[  107.308625][ T1844]  <TASK>
[  107.308692][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.308823][ T1844]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.308963][ T1844]  notifier_call_chain (kernel/notifier.c:85)
[  107.309102][ T1844]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  107.309234][ T1844]  ? __dev_open (./include/net/netdev_lock.h:33)
[  107.309366][ T1844]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[  107.309498][ T1844]  br_add_if (net/bridge/br_if.c:679)
[  107.309603][ T1844]  do_set_master (net/core/rtnetlink.c:3011)
[  107.309733][ T1844]  ? netif_change_flags (net/core/dev.c:9820)
[  107.309864][ T1844]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.310008][ T1844]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.310142][ T1844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.310306][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.310437][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.310570][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.310700][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.310830][ T1844]  ? __kernel_text_address (kernel/extable.c:79)
[  107.310968][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.311109][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.311240][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.311371][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.311502][ T1844]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.311635][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.311764][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.311900][ T1844]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.312036][ T1844]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.312167][ T1844]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.312299][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.312430][ T1844]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.312562][ T1844]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.312694][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.312827][ T1844]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.312966][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.313101][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.313232][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.313364][ T1844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.313492][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.313627][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.313756][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.313891][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.314026][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.314156][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.314288][ T1844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.314417][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.314550][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.314679][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.314811][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.314942][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.315078][ T1844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.315208][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.315339][ T1844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.315472][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.315605][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.315736][ T1844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.315873][ T1844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.316011][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.316143][ T1844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.316276][ T1844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.316408][ T1844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.316543][ T1844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.316674][ T1844]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.316805][ T1844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.316974][ T1844]  ? move_addr_to_kernel (net/socket.c:258)
[  107.317112][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.317244][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.317377][ T1844]  ___sys_sendmsg (net/socket.c:2752)
[  107.317508][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.317672][ T1844]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.317815][ T1844]  __sys_sendmsg (net/socket.c:2784)
[  107.317952][ T1844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.318086][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.318251][ T1844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.318383][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.318517][ T1844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.318647][ T1844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.318778][ T1844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.318968][ T1844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.319133][ T1844] RIP: 0033:0x7f51eddf908e
[  107.319271][ T1844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.319740][ T1844] RSP: 002b:00007ffd063e3f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.319939][ T1844] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51eddf908e
[  107.320141][ T1844] RDX: 0000000000000000 RSI: 00007ffd063e3ff0 RDI: 0000000000000005
[  107.320336][ T1844] RBP: 00007ffd063e3f50 R08: 0000000000000000 R09: 0000000000000000
[  107.320536][ T1844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.320731][ T1844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd063e46c0
| [  107.322537][ T1844] ------------[ cut here ]------------
| [  107.322666][ T1844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1844
| [  107.322931][ T1844] Modules linked in:
| [  107.323299][ T1844] Tainted: [W]=WARN
[  107.323397][ T1844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.323562][ T1844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.323731][ T1844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.324208][ T1844] RSP: 0018:ffa00000054c6f78 EFLAGS: 00010286
[  107.324370][ T1844] RAX: 00000000ffffffa6 RBX: ff11000008dc6900 RCX: 1ff4000000a98db5
[  107.324567][ T1844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008dc69bc
[  107.324762][ T1844] RBP: ff1100001006a000 R08: 1fe22000011b8d39 R09: ff11000012500b58
[  107.324963][ T1844] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  107.325164][ T1844] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[  107.325357][ T1844] FS:  00007f51edbbf840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  107.325585][ T1844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.325749][ T1844] CR2: 00007f7978676574 CR3: 0000000012e27001 CR4: 0000000000771ef0
[  107.325951][ T1844] PKRU: 55555554
[  107.326053][ T1844] Call Trace:
[  107.326150][ T1844]  <TASK>
[  107.326217][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.326347][ T1844]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.326478][ T1844]  notifier_call_chain (kernel/notifier.c:85)
[  107.326614][ T1844]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  107.326781][ T1844]  ? netdev_change_features (net/core/dev.c:11117)
[  107.326915][ T1844]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  107.327055][ T1844]  br_add_if (net/bridge/br_if.c:683)
[  107.327158][ T1844]  do_set_master (net/core/rtnetlink.c:3011)
[  107.327288][ T1844]  ? netif_change_flags (net/core/dev.c:9820)
[  107.327420][ T1844]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.327555][ T1844]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.327689][ T1844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.327850][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.327991][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.328121][ T1844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.328250][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.328380][ T1844]  ? __kernel_text_address (kernel/extable.c:79)
[  107.328516][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.328647][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.328775][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.328924][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.329058][ T1844]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.329187][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.329315][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.329444][ T1844]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.329579][ T1844]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.329708][ T1844]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.329838][ T1844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.329974][ T1844]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.330108][ T1844]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.330240][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.330374][ T1844]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.330509][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.330639][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.330768][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.330902][ T1844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.331036][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.331168][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.331297][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.331426][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.331562][ T1844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.331694][ T1844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.331824][ T1844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.331959][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.332095][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.332224][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.332357][ T1844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.332487][ T1844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.332620][ T1844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.332748][ T1844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.332882][ T1844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.333023][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.333153][ T1844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.333285][ T1844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.333417][ T1844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.333552][ T1844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.333683][ T1844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.333814][ T1844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.333953][ T1844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.334089][ T1844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.334219][ T1844]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.334348][ T1844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.334513][ T1844]  ? move_addr_to_kernel (net/socket.c:258)
[  107.334646][ T1844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.334775][ T1844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.334911][ T1844]  ___sys_sendmsg (net/socket.c:2752)
[  107.335046][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.335209][ T1844]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.335351][ T1844]  __sys_sendmsg (net/socket.c:2784)
[  107.335482][ T1844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.335615][ T1844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.335780][ T1844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.335915][ T1844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.336052][ T1844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.336181][ T1844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.336311][ T1844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.336442][ T1844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.336609][ T1844] RIP: 0033:0x7f51eddf908e
[  107.336744][ T1844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.337215][ T1844] RSP: 002b:00007ffd063e3f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.337411][ T1844] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51eddf908e
[  107.337609][ T1844] RDX: 0000000000000000 RSI: 00007ffd063e3ff0 RDI: 0000000000000005
[  107.337805][ T1844] RBP: 00007ffd063e3f50 R08: 0000000000000000 R09: 0000000000000000
[  107.338013][ T1844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.338206][ T1844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd063e46c0
| [  107.340638][ T1028] ------------[ cut here ]------------
| [  107.340764][ T1028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/1028
| [  107.341014][ T1028] Modules linked in:
| [  107.341375][ T1028] Tainted: [W]=WARN
[  107.341468][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.341621][ T1028] Workqueue: events_unbound linkwatch_event
[  107.341776][ T1028] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.341941][ T1028] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.342387][ T1028] RSP: 0018:ffa0000002ff79e0 EFLAGS: 00010286
[  107.342542][ T1028] RAX: 00000000ffffffa6 RBX: ff1100000d52ee40 RCX: 1ff40000005fef02
[  107.342717][ T1028] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52eefc
[  107.342900][ T1028] RBP: ff1100000a3dc000 R08: 1fe2200001aa5de1 R09: ff11000009438ba8
[  107.343084][ T1028] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  107.343265][ T1028] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.343446][ T1028] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  107.343655][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.343804][ T1028] CR2: 00000000004eba70 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[  107.343994][ T1028] PKRU: 55555554
[  107.344083][ T1028] Call Trace:
[  107.344171][ T1028]  <TASK>
[  107.344234][ T1028]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.344353][ T1028]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.344473][ T1028]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.344566][ T1028]  netif_state_change (net/core/dev.c:1605)
[  107.344691][ T1028]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  107.344841][ T1028]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  107.344969][ T1028]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  107.345094][ T1028]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.345219][ T1028]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  107.345337][ T1028]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  107.345457][ T1028]  process_one_work (kernel/workqueue.c:3314)
[  107.345581][ T1028]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.345702][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.345830][ T1028]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.345957][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.346079][ T1028]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  107.346199][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.346317][ T1028]  kthread (kernel/kthread.c:436)
[  107.346411][ T1028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.346565][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.346690][ T1028]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.346809][ T1028]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.346965][ T1028]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.347091][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.347210][ T1028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.348884][ T1028] ------------[ cut here ]------------
| [  107.349007][ T1028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/1028
| [  107.349239][ T1028] Modules linked in:
| [  107.349603][ T1028] Tainted: [W]=WARN
[  107.349691][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.349843][ T1028] Workqueue: events_unbound linkwatch_event
[  107.350004][ T1028] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.350157][ T1028] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.350579][ T1028] RSP: 0018:ffa0000002ff79e0 EFLAGS: 00010286
[  107.350726][ T1028] RAX: 00000000ffffffa6 RBX: ff110000126bec80 RCX: 1ff40000005fef02
[  107.350918][ T1028] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bed3c
[  107.351100][ T1028] RBP: ff11000012661000 R08: 1fe22000024d7da9 R09: ff11000009438ba8
[  107.351277][ T1028] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  107.351454][ T1028] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.351638][ T1028] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  107.351851][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.352011][ T1028] CR2: 00000000004eba70 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[  107.352188][ T1028] PKRU: 55555554
[  107.352281][ T1028] Call Trace:
[  107.352369][ T1028]  <TASK>
[  107.352431][ T1028]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.352556][ T1028]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.352681][ T1028]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.352771][ T1028]  netif_state_change (net/core/dev.c:1605)
[  107.352896][ T1028]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  107.353053][ T1028]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  107.353171][ T1028]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  107.353295][ T1028]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.353416][ T1028]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  107.353538][ T1028]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  107.353657][ T1028]  process_one_work (kernel/workqueue.c:3314)
[  107.353784][ T1028]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.353907][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.354035][ T1028]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.354155][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.354274][ T1028]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  107.354395][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.354516][ T1028]  kthread (kernel/kthread.c:436)
[  107.354606][ T1028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.354753][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.354877][ T1028]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.355002][ T1028]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.355152][ T1028]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.355271][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.355390][ T1028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.357099][ T1028] ------------[ cut here ]------------
| [  107.357217][ T1028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/1028
| [  107.357447][ T1028] Modules linked in:
| [  107.357812][ T1028] Tainted: [W]=WARN
[  107.358350][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.358502][ T1028] Workqueue: events_unbound linkwatch_event
[  107.358658][ T1028] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.358863][ T1028] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.359368][ T1028] RSP: 0018:ffa0000002ff79e0 EFLAGS: 00010286
[  107.359518][ T1028] RAX: 00000000ffffffa6 RBX: ff1100000a8cf1c0 RCX: 1ff40000005fef02
[  107.359695][ T1028] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf27c
[  107.359929][ T1028] RBP: ff1100001006a000 R08: 1fe2200001519e51 R09: ff11000009438ba8
[  107.360109][ T1028] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  107.360287][ T1028] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.360475][ T1028] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  107.360689][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.360837][ T1028] CR2: 00000000004eba70 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[  107.361069][ T1028] PKRU: 55555554
[  107.361158][ T1028] Call Trace:
[  107.361247][ T1028]  <TASK>
[  107.361313][ T1028]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.361432][ T1028]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.361555][ T1028]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.361645][ T1028]  netif_state_change (net/core/dev.c:1605)
[  107.361765][ T1028]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  107.361963][ T1028]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  107.362087][ T1028]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  107.362207][ T1028]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.362328][ T1028]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  107.362448][ T1028]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  107.362570][ T1028]  process_one_work (kernel/workqueue.c:3314)
[  107.362694][ T1028]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.362813][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.362990][ T1028]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.363110][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.363228][ T1028]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  107.363351][ T1028]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.363470][ T1028]  kthread (kernel/kthread.c:436)
[  107.363563][ T1028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.363711][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.363829][ T1028]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.364002][ T1028]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.364151][ T1028]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.364272][ T1028]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.364396][ T1028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.384523][ T1845] ------------[ cut here ]------------
| [  107.384668][ T1845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1845
| [  107.384936][ T1845] Modules linked in:
| [  107.385306][ T1845] Tainted: [W]=WARN
[  107.385404][ T1845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.385569][ T1845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.385737][ T1845] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.386212][ T1845] RSP: 0018:ffa00000054d7020 EFLAGS: 00010286
[  107.386376][ T1845] RAX: 00000000ffffffa6 RBX: ff1100000d6d6e40 RCX: 1ff4000000a9adca
[  107.386574][ T1845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6efc
[  107.386766][ T1845] RBP: ff11000012a0c000 R08: 1fe2200001adade1 R09: ff1100000f2f8b58
[  107.386966][ T1845] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  107.387166][ T1845] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.387361][ T1845] FS:  00007f12e2831840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.387593][ T1845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.387756][ T1845] CR2: 00000000004eba78 CR3: 0000000010336005 CR4: 0000000000771ef0
[  107.387956][ T1845] PKRU: 55555554
[  107.388057][ T1845] Call Trace:
[  107.388154][ T1845]  <TASK>
[  107.388222][ T1845]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.388354][ T1845]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.388453][ T1845]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  107.388583][ T1845]  __dev_notify_flags (net/core/dev.c:9787)
[  107.388718][ T1845]  ? netif_change_name (net/core/dev.c:1495)
[  107.388848][ T1845]  ? __dev_change_flags (net/core/dev.c:9752)
[  107.388989][ T1845]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.389120][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.389251][ T1845]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.389382][ T1845]  netif_change_flags (net/core/dev.c:9820)
[  107.389518][ T1845]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  107.389647][ T1845]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  107.389781][ T1845]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.389915][ T1845]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.390082][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.390211][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.390341][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.390472][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.390606][ T1845]  ? __kernel_text_address (kernel/extable.c:79)
[  107.390735][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.390871][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.391006][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.391135][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.391265][ T1845]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.391394][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.391523][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.391652][ T1845]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.391781][ T1845]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.391913][ T1845]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.392052][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.392182][ T1845]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.392311][ T1845]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.392443][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.392579][ T1845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.392710][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.392837][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.392971][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.393104][ T1845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.393233][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.393365][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.393494][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.393626][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.393787][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.393924][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.394057][ T1845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.394185][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.394314][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.394444][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.394579][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.394707][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.394836][ T1845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.394970][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.395106][ T1845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.395238][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.395366][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.395500][ T1845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.395633][ T1845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.395763][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.395899][ T1845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.396036][ T1845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.396166][ T1845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.396296][ T1845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.396426][ T1845]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.396559][ T1845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.396719][ T1845]  ? move_addr_to_kernel (net/socket.c:258)
[  107.396849][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.396986][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.397118][ T1845]  ___sys_sendmsg (net/socket.c:2752)
[  107.397246][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.397408][ T1845]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.397552][ T1845]  __sys_sendmsg (net/socket.c:2784)
[  107.397681][ T1845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.397809][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.397980][ T1845]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.398110][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.398241][ T1845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.398370][ T1845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.398499][ T1845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.398632][ T1845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.398791][ T1845] RIP: 0033:0x7f12e2a6b08e
[  107.398933][ T1845] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.399396][ T1845] RSP: 002b:00007fff8045f0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.399594][ T1845] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12e2a6b08e
[  107.399788][ T1845] RDX: 0000000000000000 RSI: 00007fff8045f180 RDI: 0000000000000005
[  107.399988][ T1845] RBP: 00007fff8045f0e0 R08: 0000000000000000 R09: 0000000000000000
[  107.400183][ T1845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.400376][ T1845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8045f850
| [  107.403838][ T1845] ------------[ cut here ]------------
| [  107.403975][ T1845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1845
| [  107.404241][ T1845] Modules linked in:
| [  107.404612][ T1845] Tainted: [W]=WARN
[  107.404711][ T1845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.404881][ T1845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.405063][ T1845] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.405535][ T1845] RSP: 0018:ffa00000054d6ee0 EFLAGS: 00010286
[  107.405699][ T1845] RAX: 00000000ffffffa6 RBX: ff1100000d6d6c80 RCX: 1ff4000000a9ada2
[  107.405900][ T1845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d6d3c
[  107.406104][ T1845] RBP: ff11000012a0c000 R08: 1fe2200001adada9 R09: ff1100000f2f8b58
[  107.406300][ T1845] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  107.406496][ T1845] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  107.406697][ T1845] FS:  00007f12e2831840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.406935][ T1845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.407108][ T1845] CR2: 00000000004eba78 CR3: 0000000010336005 CR4: 0000000000771ef0
[  107.407307][ T1845] PKRU: 55555554
[  107.407406][ T1845] Call Trace:
[  107.407504][ T1845]  <TASK>
[  107.407575][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.407707][ T1845]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.407838][ T1845]  notifier_call_chain (kernel/notifier.c:85)
[  107.408038][ T1845]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  107.408170][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.408302][ T1845]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.408434][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.408575][ T1845]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  107.408706][ T1845]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  107.408837][ T1845]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.409033][ T1845]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  107.409167][ T1845]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  107.409300][ T1845]  br_add_if (net/bridge/br_if.c:619)
[  107.409403][ T1845]  do_set_master (net/core/rtnetlink.c:3011)
[  107.409536][ T1845]  ? netif_change_flags (net/core/dev.c:9820)
[  107.409669][ T1845]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.409802][ T1845]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.410010][ T1845]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.410174][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.410306][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.410437][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.410572][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.410702][ T1845]  ? __kernel_text_address (kernel/extable.c:79)
[  107.410835][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.411046][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.411178][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.411310][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.411442][ T1845]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.411576][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.411706][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.411837][ T1845]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.412043][ T1845]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.412175][ T1845]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.412306][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.412439][ T1845]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.412575][ T1845]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.412708][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.412843][ T1845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.413124][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.413259][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.413391][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.413525][ T1845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.413657][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.413790][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.413994][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.414125][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.414258][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.414391][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.414522][ T1845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.414654][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.414785][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.415020][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.415154][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.415284][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.415418][ T1845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.415552][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.415683][ T1845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.415817][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.416023][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.416158][ T1845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.416290][ T1845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.416424][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.416559][ T1845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.416691][ T1845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.416824][ T1845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.417034][ T1845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.417167][ T1845]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.417299][ T1845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.417463][ T1845]  ? move_addr_to_kernel (net/socket.c:258)
[  107.417602][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.417733][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.417939][ T1845]  ___sys_sendmsg (net/socket.c:2752)
[  107.418076][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.418238][ T1845]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.418382][ T1845]  __sys_sendmsg (net/socket.c:2784)
[  107.418517][ T1845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.418652][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.418817][ T1845]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.419012][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.419146][ T1845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.419276][ T1845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.419407][ T1845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.419544][ T1845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.419708][ T1845] RIP: 0033:0x7f12e2a6b08e
[  107.419844][ T1845] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.420374][ T1845] RSP: 002b:00007fff8045f0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.420576][ T1845] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12e2a6b08e
[  107.420774][ T1845] RDX: 0000000000000000 RSI: 00007fff8045f180 RDI: 0000000000000005
[  107.421032][ T1845] RBP: 00007fff8045f0e0 R08: 0000000000000000 R09: 0000000000000000
[  107.421229][ T1845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.421426][ T1845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8045f850
| [  107.423303][ T1845] ------------[ cut here ]------------
| [  107.423481][ T1845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1845
| [  107.423805][ T1845] Modules linked in:
| [  107.424316][ T1845] Tainted: [W]=WARN
[  107.424465][ T1845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.424692][ T1845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.424939][ T1845] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.425479][ T1845] RSP: 0018:ffa00000054d6ea0 EFLAGS: 00010286
[  107.425703][ T1845] RAX: 00000000ffffffa6 RBX: ff1100000f1b7a80 RCX: 1ff4000000a9ad9a
[  107.425972][ T1845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b7b3c
[  107.426230][ T1845] RBP: ff11000012a0c000 R08: 1fe2200001e36f69 R09: ff1100000f2f8b58
[  107.426481][ T1845] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  107.426738][ T1845] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001006adc0
[  107.427029][ T1845] FS:  00007f12e2831840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.427316][ T1845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.427537][ T1845] CR2: 000055dfdb5e2d5c CR3: 0000000010336001 CR4: 0000000000771ef0
[  107.427791][ T1845] PKRU: 55555554
[  107.427953][ T1845] Call Trace:
[  107.428122][ T1845]  <TASK>
[  107.428241][ T1845]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.428433][ T1845]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.428595][ T1845]  __dev_notify_flags (net/core/dev.c:9787)
[  107.428782][ T1845]  ? netdev_notice (net/core/dev.c:13008)
[  107.428989][ T1845]  ? netif_change_name (net/core/dev.c:1495)
[  107.429173][ T1845]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  107.429393][ T1845]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.429589][ T1845]  __dev_set_promiscuity (net/core/dev.c:9630)
[  107.429779][ T1845]  netif_set_promiscuity (net/core/dev.c:9639)
[  107.429985][ T1845]  dev_set_promiscuity (net/core/dev_api.c:288)
[  107.430172][ T1845]  br_port_set_promisc (net/bridge/br_if.c:108)
[  107.430357][ T1845]  br_manage_promisc (net/bridge/br_if.c:174)
[  107.430545][ T1845]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.430731][ T1845]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  107.430898][ T1845]  do_set_master (net/core/rtnetlink.c:3011)
[  107.431093][ T1845]  ? netif_change_flags (net/core/dev.c:9820)
[  107.431282][ T1845]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.431470][ T1845]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.431662][ T1845]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.431893][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.432085][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.432271][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.432458][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.432651][ T1845]  ? __kernel_text_address (kernel/extable.c:79)
[  107.432836][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.433045][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.433232][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.433420][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.433613][ T1845]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.433799][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.434012][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.434198][ T1845]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.434383][ T1845]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.434573][ T1845]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.434761][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.434960][ T1845]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.435151][ T1845]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.435342][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.435533][ T1845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.435721][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.435917][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.436110][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.436296][ T1845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.436481][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.436673][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.436860][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.437067][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.437256][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.437443][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.437634][ T1845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.437819][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.438025][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.438212][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.438400][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.438591][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.438779][ T1845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.438985][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.439172][ T1845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.439362][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.439553][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.439744][ T1845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.439944][ T1845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.440133][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.440318][ T1845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.440504][ T1845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.440697][ T1845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.440896][ T1845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.441091][ T1845]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.441278][ T1845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.441495][ T1845]  ? move_addr_to_kernel (net/socket.c:258)
[  107.441690][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.441889][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.442084][ T1845]  ___sys_sendmsg (net/socket.c:2752)
[  107.442269][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.442493][ T1845]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.442698][ T1845]  __sys_sendmsg (net/socket.c:2784)
[  107.442897][ T1845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.443088][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.443311][ T1845]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.443496][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.443690][ T1845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.443887][ T1845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.444084][ T1845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.444270][ T1845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.444488][ T1845] RIP: 0033:0x7f12e2a6b08e
[  107.444683][ T1845] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.445240][ T1845] RSP: 002b:00007fff8045f0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.445491][ T1845] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12e2a6b08e
[  107.445751][ T1845] RDX: 0000000000000000 RSI: 00007fff8045f180 RDI: 0000000000000005
[  107.446024][ T1845] RBP: 00007fff8045f0e0 R08: 0000000000000000 R09: 0000000000000000
[  107.446280][ T1845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.446532][ T1845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8045f850
| [  107.449001][ T1845] ------------[ cut here ]------------
| [  107.449174][ T1845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1845
| [  107.449471][ T1845] Modules linked in:
| [  107.450472][ T1845] Tainted: [W]=WARN
[  107.450688][ T1845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.450968][ T1845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.451250][ T1845] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.451814][ T1845] RSP: 0018:ffa00000054d7000 EFLAGS: 00010286
[  107.452105][ T1845] RAX: 00000000ffffffa6 RBX: ff1100000c084740 RCX: 1ff4000000a9adc6
[  107.452398][ T1845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0847fc
[  107.452699][ T1845] RBP: ff1100001006a000 R08: 1fe2200001810901 R09: ff1100000f2f8b58
[  107.453013][ T1845] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  107.453307][ T1845] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  107.453607][ T1845] FS:  00007f12e2831840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.453946][ T1845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.454212][ T1845] CR2: 000055dfdb5e2d5c CR3: 0000000010336001 CR4: 0000000000771ef0
[  107.454510][ T1845] PKRU: 55555554
[  107.454699][ T1845] Call Trace:
[  107.454840][ T1845]  <TASK>
[  107.454967][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.455152][ T1845]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.455330][ T1845]  notifier_call_chain (kernel/notifier.c:85)
[  107.455512][ T1845]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  107.455693][ T1845]  ? __dev_open (./include/net/netdev_lock.h:33)
[  107.455883][ T1845]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[  107.456072][ T1845]  br_add_if (net/bridge/br_if.c:679)
[  107.456228][ T1845]  do_set_master (net/core/rtnetlink.c:3011)
[  107.456405][ T1845]  ? netif_change_flags (net/core/dev.c:9820)
[  107.456591][ T1845]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.456771][ T1845]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.456961][ T1845]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.457178][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.457353][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.457534][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.457711][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.457901][ T1845]  ? __kernel_text_address (kernel/extable.c:79)
[  107.458086][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.458265][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.458439][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.458624][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.458808][ T1845]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.459004][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.459181][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.459357][ T1845]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.459535][ T1845]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.459711][ T1845]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.459901][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.460089][ T1845]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.460268][ T1845]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.460448][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.460635][ T1845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.460815][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.461011][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.461189][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.461365][ T1845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.461544][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.461729][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.461916][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.462102][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.462282][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.462460][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.462645][ T1845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.462822][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.463021][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.463198][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.463375][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.463555][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.463734][ T1845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.463918][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.464106][ T1845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.464285][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.464461][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.464647][ T1845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.464824][ T1845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.465019][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.465200][ T1845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.465377][ T1845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.465560][ T1845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.465742][ T1845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.465932][ T1845]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.466118][ T1845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.466324][ T1845]  ? move_addr_to_kernel (net/socket.c:258)
[  107.466505][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.466687][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.466867][ T1845]  ___sys_sendmsg (net/socket.c:2752)
[  107.467064][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.467271][ T1845]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.467459][ T1845]  __sys_sendmsg (net/socket.c:2784)
[  107.467647][ T1845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.467822][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.468054][ T1845]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.468231][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.468410][ T1845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.468593][ T1845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.468772][ T1845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.468962][ T1845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.469177][ T1845] RIP: 0033:0x7f12e2a6b08e
[  107.469359][ T1845] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.469889][ T1845] RSP: 002b:00007fff8045f0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.470140][ T1845] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12e2a6b08e
[  107.470379][ T1845] RDX: 0000000000000000 RSI: 00007fff8045f180 RDI: 0000000000000005
[  107.470624][ T1845] RBP: 00007fff8045f0e0 R08: 0000000000000000 R09: 0000000000000000
[  107.470880][ T1845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.471127][ T1845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8045f850
| [  107.473166][ T1845] ------------[ cut here ]------------
| [  107.473337][ T1845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1845
| [  107.473645][ T1845] Modules linked in:
| [  107.474127][ T1845] Tainted: [W]=WARN
[  107.474269][ T1845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.474474][ T1845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.474692][ T1845] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.475286][ T1845] RSP: 0018:ffa00000054d6f78 EFLAGS: 00010286
[  107.475559][ T1845] RAX: 00000000ffffffa6 RBX: ff1100000c084200 RCX: 1ff4000000a9adb5
[  107.475849][ T1845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0842bc
[  107.476162][ T1845] RBP: ff1100001006a000 R08: 1fe2200001810859 R09: ff1100000f2f8b58
[  107.476463][ T1845] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  107.476767][ T1845] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[  107.477079][ T1845] FS:  00007f12e2831840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.477403][ T1845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.477673][ T1845] CR2: 000055dfdb5e2d5c CR3: 0000000010336001 CR4: 0000000000771ef0
[  107.477992][ T1845] PKRU: 55555554
[  107.478189][ T1845] Call Trace:
[  107.478384][ T1845]  <TASK>
[  107.478558][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.478791][ T1845]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.479041][ T1845]  notifier_call_chain (kernel/notifier.c:85)
[  107.479275][ T1845]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  107.479553][ T1845]  ? netdev_change_features (net/core/dev.c:11117)
[  107.479788][ T1845]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  107.480041][ T1845]  br_add_if (net/bridge/br_if.c:683)
[  107.480247][ T1845]  do_set_master (net/core/rtnetlink.c:3011)
[  107.480478][ T1845]  ? netif_change_flags (net/core/dev.c:9820)
[  107.480716][ T1845]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.480961][ T1845]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.481202][ T1845]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.481466][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.481704][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.481946][ T1845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.482181][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.482410][ T1845]  ? __kernel_text_address (kernel/extable.c:79)
[  107.482650][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.482897][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.483140][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.483318][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.483495][ T1845]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.483676][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.483852][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.484058][ T1845]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.484238][ T1845]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.484414][ T1845]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.484600][ T1845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.484778][ T1845]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.484969][ T1845]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.485161][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.485341][ T1845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.485524][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.485701][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.485891][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.486077][ T1845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.486254][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.486435][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.486618][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.486794][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.486988][ T1845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.487167][ T1845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.487347][ T1845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.487530][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.487707][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.487895][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.488082][ T1845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.488258][ T1845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.488435][ T1845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.488619][ T1845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.488801][ T1845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.489001][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.489176][ T1845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.489355][ T1845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.489537][ T1845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.489715][ T1845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.489908][ T1845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.490093][ T1845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.490271][ T1845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.490449][ T1845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.490632][ T1845]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.490808][ T1845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.491060][ T1845]  ? move_addr_to_kernel (net/socket.c:258)
[  107.491238][ T1845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.491418][ T1845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.491603][ T1845]  ___sys_sendmsg (net/socket.c:2752)
[  107.491779][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.492008][ T1845]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.492199][ T1845]  __sys_sendmsg (net/socket.c:2784)
[  107.492377][ T1845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.492558][ T1845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.492769][ T1845]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.492964][ T1845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.493149][ T1845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.493326][ T1845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.493505][ T1845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.493689][ T1845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.493909][ T1845] RIP: 0033:0x7f12e2a6b08e
[  107.494099][ T1845] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.494616][ T1845] RSP: 002b:00007fff8045f0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.494857][ T1845] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12e2a6b08e
[  107.495117][ T1845] RDX: 0000000000000000 RSI: 00007fff8045f180 RDI: 0000000000000005
[  107.495358][ T1845] RBP: 00007fff8045f0e0 R08: 0000000000000000 R09: 0000000000000000
[  107.495609][ T1845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.495848][ T1845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8045f850
| [  107.498615][   T36] ------------[ cut here ]------------
| [  107.498730][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [  107.498967][   T36] Modules linked in:
| [  107.499329][   T36] Tainted: [W]=WARN
[  107.499417][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.499565][   T36] Workqueue: events_unbound linkwatch_event
[  107.499716][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.499873][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.500302][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[  107.500449][   T36] RAX: 00000000ffffffa6 RBX: ff1100000ca8c200 RCX: 1ff4000000051f02
[  107.500629][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8c2bc
[  107.500803][   T36] RBP: ff11000012a0c000 R08: 1fe2200001951859 R09: ff11000001d751a8
[  107.500991][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  107.501166][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.501342][   T36] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  107.501548][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.501696][   T36] CR2: 00000000004eba70 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[  107.501877][   T36] PKRU: 55555554
[  107.501964][   T36] Call Trace:
[  107.502059][   T36]  <TASK>
[  107.502119][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.502236][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.502353][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.502444][   T36]  netif_state_change (net/core/dev.c:1605)
[  107.502564][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  107.502711][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  107.502828][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  107.502953][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.503078][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  107.503195][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  107.503313][   T36]  process_one_work (kernel/workqueue.c:3314)
[  107.503433][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.503551][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.503672][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.503795][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.503916][   T36]  kthread (kernel/kthread.c:436)
[  107.504011][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.504154][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.504271][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.504387][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.504536][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.504654][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.504773][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.513254][   T36] ------------[ cut here ]------------
| [  107.513414][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [  107.513699][   T36] Modules linked in:
| [  107.514251][   T36] Tainted: [W]=WARN
[  107.514463][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.514670][   T36] Workqueue: events_unbound linkwatch_event
[  107.514882][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.515093][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.515564][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[  107.515761][   T36] RAX: 00000000ffffffa6 RBX: ff1100000cb69c40 RCX: 1ff4000000051f02
[  107.516003][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb69cfc
[  107.516225][   T36] RBP: ff110000093a4000 R08: 1fe220000196d3a1 R09: ff11000001d751a8
[  107.516483][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  107.516739][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.516975][   T36] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.517236][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.517429][   T36] CR2: 00007f12e28fe574 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[  107.517662][   T36] PKRU: 55555554
[  107.517796][   T36] Call Trace:
[  107.517943][   T36]  <TASK>
[  107.518057][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.518223][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.518386][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.518528][   T36]  netif_state_change (net/core/dev.c:1605)
[  107.518694][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  107.518900][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  107.519077][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  107.519244][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.519410][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  107.519583][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  107.519750][   T36]  process_one_work (kernel/workqueue.c:3314)
[  107.519932][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.520107][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.520284][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.520461][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.520635][   T36]  kthread (kernel/kthread.c:436)
[  107.520771][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.520974][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.521149][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.521315][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.521514][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.521683][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.521849][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.597624][ T1848] ------------[ cut here ]------------
| [  107.597778][ T1848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1848
| [  107.598559][ T1848] Modules linked in:
| [  107.599007][ T1848] Tainted: [W]=WARN
[  107.599111][ T1848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.599278][ T1848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.599453][ T1848] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.599993][ T1848] RSP: 0018:ffa00000054471b0 EFLAGS: 00010286
[  107.600162][ T1848] RAX: 00000000ffffffa6 RBX: ff1100000bb258c0 RCX: 1ff4000000a88dfc
[  107.600359][ T1848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb2597c
[  107.600562][ T1848] RBP: ff1100001286a000 R08: 1fe2200001764b31 R09: ff110000102c0b80
[  107.600762][ T1848] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  107.601027][ T1848] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87520900
[  107.601285][ T1848] FS:  00007f19bbed1840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.601522][ T1848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.601690][ T1848] CR2: 00000000004a04a0 CR3: 0000000008f5f005 CR4: 0000000000771ef0
[  107.601948][ T1848] PKRU: 55555554
[  107.602053][ T1848] Call Trace:
[  107.602151][ T1848]  <TASK>
[  107.602220][ T1848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.602357][ T1848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.602458][ T1848]  __dev_notify_flags (net/core/dev.c:9787)
[  107.602595][ T1848]  ? netif_change_name (net/core/dev.c:1495)
[  107.602728][ T1848]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  107.602949][ T1848]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  107.603088][ T1848]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  107.603220][ T1848]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[  107.603356][ T1848]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  107.603490][ T1848]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  107.603626][ T1848]  ? __dev_get_by_name (net/core/dev.c:883)
[  107.603757][ T1848]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  107.603954][ T1848]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  107.604094][ T1848]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.604228][ T1848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.604360][ T1848]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.604493][ T1848]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.604629][ T1848]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.604760][ T1848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.604953][ T1848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.605091][ T1848]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.605224][ T1848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.605358][ T1848]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.605490][ T1848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.605627][ T1848]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.605761][ T1848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.605949][ T1848]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.606087][ T1848]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.606219][ T1848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.606351][ T1848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.606487][ T1848]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.606624][ T1848]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.606758][ T1848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.606950][ T1848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.607089][ T1848]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.607223][ T1848]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.607357][ T1848]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.607490][ T1848]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.607627][ T1848]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.607762][ T1848]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.607952][ T1848]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.608120][ T1848]  ? move_addr_to_kernel (net/socket.c:258)
[  107.608253][ T1848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.608386][ T1848]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  107.608521][ T1848]  ___sys_sendmsg (net/socket.c:2752)
[  107.608653][ T1848]  ? wp_page_copy (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/page_ref.h:205 ./include/linux/mm.h:1767 ./include/linux/mm.h:1772 ./include/linux/mm.h:2089 mm/memory.c:3989)
[  107.608788][ T1848]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.608985][ T1848]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  107.609123][ T1848]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  107.609258][ T1848]  __sys_sendmsg (net/socket.c:2784)
[  107.609391][ T1848]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.609528][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.609661][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.609794][ T1848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.609991][ T1848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.610123][ T1848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.610255][ T1848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.610418][ T1848] RIP: 0033:0x7f19bc10b08e
[  107.610559][ T1848] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.611098][ T1848] RSP: 002b:00007ffe2d3553e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.611297][ T1848] RAX: ffffffffffffffda RBX: 00007ffe2d355b88 RCX: 00007f19bc10b08e
[  107.611494][ T1848] RDX: 0000000000000000 RSI: 00007ffe2d355490 RDI: 0000000000000005
[  107.611693][ T1848] RBP: 00007ffe2d3553f0 R08: 0000000000000000 R09: 0000000000000000
[  107.611947][ T1848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.612148][ T1848] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2d355b60
| [  107.635341][ T1849] ------------[ cut here ]------------
| [  107.635520][ T1849] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1849
| [  107.635824][ T1849] Modules linked in:
| [  107.636300][ T1849] Tainted: [W]=WARN
[  107.636442][ T1849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.636653][ T1849] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.636882][ T1849] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.637397][ T1849] RSP: 0018:ffa0000005197020 EFLAGS: 00010286
[  107.637613][ T1849] RAX: 00000000ffffffa6 RBX: ff1100000ed28740 RCX: 1ff4000000a32dca
[  107.637853][ T1849] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ed287fc
[  107.638398][ T1849] RBP: ff1100001286a000 R08: 1fe2200001da5101 R09: ff1100000ffd8b58
[  107.638721][ T1849] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  107.639065][ T1849] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.639405][ T1849] FS:  00007fcb90d91840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.639760][ T1849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.640014][ T1849] CR2: 00007fcb910611a0 CR3: 0000000010336003 CR4: 0000000000771ef0
[  107.640253][ T1849] PKRU: 55555554
[  107.640395][ T1849] Call Trace:
[  107.640539][ T1849]  <TASK>
[  107.640651][ T1849]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  107.640828][ T1849]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.641025][ T1849]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.641172][ T1849]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  107.641347][ T1849]  __dev_notify_flags (net/core/dev.c:9787)
[  107.641531][ T1849]  ? netif_change_name (net/core/dev.c:1495)
[  107.641708][ T1849]  ? __dev_change_flags (net/core/dev.c:9752)
[  107.641896][ T1849]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.642086][ T1849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.642266][ T1849]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.642445][ T1849]  netif_change_flags (net/core/dev.c:9820)
[  107.642628][ T1849]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  107.642803][ T1849]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  107.643001][ T1849]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.643182][ T1849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.643390][ T1849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.643574][ T1849]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.643753][ T1849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.643941][ T1849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.644125][ T1849]  ? __kernel_text_address (kernel/extable.c:79)
[  107.644301][ T1849]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.644482][ T1849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.644662][ T1849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.644838][ T1849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.645034][ T1849]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.645210][ T1849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.645385][ T1849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.645569][ T1849]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.645746][ T1849]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.645936][ T1849]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.646121][ T1849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.646298][ T1849]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.646477][ T1849]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.646660][ T1849]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.646838][ T1849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.647035][ T1849]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.647212][ T1849]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.647388][ T1849]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.647568][ T1849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.647747][ T1849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.647933][ T1849]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.648116][ T1849]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.648290][ T1849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.648466][ T1849]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.648651][ T1849]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.648827][ T1849]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.649022][ T1849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.649198][ T1849]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.649375][ T1849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.649555][ T1849]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.649733][ T1849]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.649918][ T1849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.650105][ T1849]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.650285][ T1849]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.650459][ T1849]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.650646][ T1849]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.650824][ T1849]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.651020][ T1849]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.651200][ T1849]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.651381][ T1849]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.651565][ T1849]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.651744][ T1849]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.651934][ T1849]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.652118][ T1849]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.652324][ T1849]  ? move_addr_to_kernel (net/socket.c:258)
[  107.652500][ T1849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.652688][ T1849]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.652880][ T1849]  ___sys_sendmsg (net/socket.c:2752)
[  107.653066][ T1849]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.653276][ T1849]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.653465][ T1849]  __sys_sendmsg (net/socket.c:2784)
[  107.653649][ T1849]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.653823][ T1849]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.654054][ T1849]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.654235][ T1849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.654412][ T1849]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.654594][ T1849]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.654769][ T1849]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.654958][ T1849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.655173][ T1849] RIP: 0033:0x7fcb90fcb08e
[  107.655355][ T1849] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.655882][ T1849] RSP: 002b:00007ffcadccb9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.656133][ T1849] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcb90fcb08e
[  107.656371][ T1849] RDX: 0000000000000000 RSI: 00007ffcadccba60 RDI: 0000000000000005
[  107.656617][ T1849] RBP: 00007ffcadccb9c0 R08: 0000000000000000 R09: 0000000000000000
[  107.656856][ T1849] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd57
[  107.657115][ T1849] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcadccc130
| [  107.748587][ T1852] ------------[ cut here ]------------
| [  107.748766][ T1852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1852
| [  107.749095][ T1852] Modules linked in:
| [  107.749563][ T1852] Tainted: [W]=WARN
[  107.749709][ T1852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.749930][ T1852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.750155][ T1852] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.750672][ T1852] RSP: 0018:ffa00000054e7020 EFLAGS: 00010286
[  107.750898][ T1852] RAX: 00000000ffffffa6 RBX: ff1100000d637540 RCX: 1ff4000000a9cdca
[  107.751150][ T1852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6375fc
[  107.751391][ T1852] RBP: ff1100000f3fc000 R08: 1fe2200001ac6ec1 R09: ff11000009a95158
[  107.751641][ T1852] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  107.751894][ T1852] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.752146][ T1852] FS:  00007fd8c8b03840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.752419][ T1852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.752637][ T1852] CR2: 00000000004eba70 CR3: 00000000100f8002 CR4: 0000000000771ef0
[  107.752894][ T1852] PKRU: 55555554
[  107.753050][ T1852] Call Trace:
[  107.753195][ T1852]  <TASK>
[  107.753310][ T1852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.753491][ T1852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.753646][ T1852]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  107.753825][ T1852]  __dev_notify_flags (net/core/dev.c:9787)
[  107.754026][ T1852]  ? netif_change_name (net/core/dev.c:1495)
[  107.754205][ T1852]  ? __dev_change_flags (net/core/dev.c:9752)
[  107.754383][ T1852]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.754567][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.754750][ T1852]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.754943][ T1852]  netif_change_flags (net/core/dev.c:9820)
[  107.755128][ T1852]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  107.755307][ T1852]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  107.755489][ T1852]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.755674][ T1852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.755901][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.756088][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.756266][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.756443][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.756628][ T1852]  ? __kernel_text_address (kernel/extable.c:79)
[  107.756807][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.757009][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.757190][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.757369][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.757553][ T1852]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.757730][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.757918][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.758106][ T1852]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.758284][ T1852]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.758460][ T1852]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.758650][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.758830][ T1852]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.759025][ T1852]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.759207][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.759389][ T1852]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.759576][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.759753][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.759948][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.760132][ T1852]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.760309][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.760489][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.760671][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.760850][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.761050][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.761233][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.761417][ T1852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.761601][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.761778][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.761968][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.762159][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.762337][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.762521][ T1852]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.762702][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.762896][ T1852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.763089][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.763268][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.763449][ T1852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.763636][ T1852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.763814][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.764014][ T1852]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.764199][ T1852]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.764378][ T1852]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.764564][ T1852]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.764744][ T1852]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.764936][ T1852]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.765153][ T1852]  ? move_addr_to_kernel (net/socket.c:258)
[  107.765333][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.765518][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.765701][ T1852]  ___sys_sendmsg (net/socket.c:2752)
[  107.765891][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.766111][ T1852]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.766302][ T1852]  __sys_sendmsg (net/socket.c:2784)
[  107.766481][ T1852]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.766664][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.766893][ T1852]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.767083][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.767264][ T1852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.767443][ T1852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.767628][ T1852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.767809][ T1852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.768036][ T1852] RIP: 0033:0x7fd8c8d3d08e
[  107.768222][ T1852] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.768749][ T1852] RSP: 002b:00007ffda11d28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.769019][ T1852] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd8c8d3d08e
[  107.769263][ T1852] RDX: 0000000000000000 RSI: 00007ffda11d29a0 RDI: 0000000000000005
[  107.769510][ T1852] RBP: 00007ffda11d2900 R08: 0000000000000000 R09: 0000000000000000
[  107.769757][ T1852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.770021][ T1852] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda11d3070
| [  107.773720][ T1852] ------------[ cut here ]------------
| [  107.773908][ T1852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1852
| [  107.774229][ T1852] Modules linked in:
| [  107.774705][ T1852] Tainted: [W]=WARN
[  107.774855][ T1852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.775097][ T1852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.775323][ T1852] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.775857][ T1852] RSP: 0018:ffa00000054e6ee0 EFLAGS: 00010286
[  107.776097][ T1852] RAX: 00000000ffffffa6 RBX: ff1100000ceec740 RCX: 1ff4000000a9cda2
[  107.776345][ T1852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceec7fc
[  107.776600][ T1852] RBP: ff1100000f3fc000 R08: 1fe22000019dd901 R09: ff11000009a95158
[  107.776847][ T1852] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  107.777118][ T1852] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  107.777373][ T1852] FS:  00007fd8c8b03840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.777664][ T1852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.777893][ T1852] CR2: 00000000004eba70 CR3: 00000000100f8002 CR4: 0000000000771ef0
[  107.778153][ T1852] PKRU: 55555554
[  107.778301][ T1852] Call Trace:
[  107.778452][ T1852]  <TASK>
[  107.778575][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.778759][ T1852]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.778954][ T1852]  notifier_call_chain (kernel/notifier.c:85)
[  107.779150][ T1852]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  107.779332][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.779519][ T1852]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.779706][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.779910][ T1852]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  107.780107][ T1852]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  107.780293][ T1852]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.780475][ T1852]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  107.780663][ T1852]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  107.780847][ T1852]  br_add_if (net/bridge/br_if.c:619)
[  107.781026][ T1852]  do_set_master (net/core/rtnetlink.c:3011)
[  107.781211][ T1852]  ? netif_change_flags (net/core/dev.c:9820)
[  107.781396][ T1852]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.781590][ T1852]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.781773][ T1852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.782010][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.782194][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.782388][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.782580][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.782763][ T1852]  ? __kernel_text_address (kernel/extable.c:79)
[  107.782961][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.783156][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.783340][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.783528][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.783716][ T1852]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.783911][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.784107][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.784294][ T1852]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.784477][ T1852]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.784665][ T1852]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.784850][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.785058][ T1852]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.785247][ T1852]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.785434][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.785627][ T1852]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.785813][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.786014][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.786199][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.786384][ T1852]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.786574][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.786763][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.786955][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.787148][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.787331][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.787518][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.787704][ T1852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.787900][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.788094][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.788276][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.788460][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.788651][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.788837][ T1852]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.789037][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.789221][ T1852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.789408][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.789600][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.789787][ T1852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.789992][ T1852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.790178][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.790362][ T1852]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.790554][ T1852]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.790738][ T1852]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.790935][ T1852]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.791128][ T1852]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.791312][ T1852]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.791530][ T1852]  ? move_addr_to_kernel (net/socket.c:258)
[  107.791716][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.791912][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.792109][ T1852]  ___sys_sendmsg (net/socket.c:2752)
[  107.792294][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.792515][ T1852]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.792713][ T1852]  __sys_sendmsg (net/socket.c:2784)
[  107.792911][ T1852]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.793101][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.793320][ T1852]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.793502][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.793693][ T1852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.793892][ T1852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.794088][ T1852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.794272][ T1852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.794484][ T1852] RIP: 0033:0x7fd8c8d3d08e
[  107.794676][ T1852] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.795225][ T1852] RSP: 002b:00007ffda11d28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.795476][ T1852] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd8c8d3d08e
[  107.795729][ T1852] RDX: 0000000000000000 RSI: 00007ffda11d29a0 RDI: 0000000000000005
[  107.795994][ T1852] RBP: 00007ffda11d2900 R08: 0000000000000000 R09: 0000000000000000
[  107.796246][ T1852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.796493][ T1852] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda11d3070
| [  107.798681][ T1852] ------------[ cut here ]------------
| [  107.798858][ T1852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1852
| [  107.799199][ T1852] Modules linked in:
| [  107.799694][ T1852] Tainted: [W]=WARN
[  107.799848][ T1852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.800092][ T1852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.800322][ T1852] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.800890][ T1852] RSP: 0018:ffa00000054e6ea0 EFLAGS: 00010286
[  107.801123][ T1852] RAX: 00000000ffffffa6 RBX: ff1100000ceed540 RCX: 1ff4000000a9cd9a
[  107.801381][ T1852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed5fc
[  107.801646][ T1852] RBP: ff1100000f3fc000 R08: 1fe22000019ddac1 R09: ff11000009a95158
[  107.801914][ T1852] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  107.802182][ T1852] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001286adc0
[  107.802441][ T1852] FS:  00007fd8c8b03840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.802739][ T1852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.802985][ T1852] CR2: 00000000004eba70 CR3: 00000000100f8002 CR4: 0000000000771ef0
[  107.803247][ T1852] PKRU: 55555554
[  107.803399][ T1852] Call Trace:
[  107.803558][ T1852]  <TASK>
[  107.803678][ T1852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.803882][ T1852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.804048][ T1852]  __dev_notify_flags (net/core/dev.c:9787)
[  107.804240][ T1852]  ? netdev_notice (net/core/dev.c:13008)
[  107.804431][ T1852]  ? netif_change_name (net/core/dev.c:1495)
[  107.804629][ T1852]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  107.804852][ T1852]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.805065][ T1852]  __dev_set_promiscuity (net/core/dev.c:9630)
[  107.805258][ T1852]  netif_set_promiscuity (net/core/dev.c:9639)
[  107.805447][ T1852]  dev_set_promiscuity (net/core/dev_api.c:288)
[  107.805643][ T1852]  br_port_set_promisc (net/bridge/br_if.c:108)
[  107.805831][ T1852]  br_manage_promisc (net/bridge/br_if.c:174)
[  107.806038][ T1852]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.806229][ T1852]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  107.806387][ T1852]  do_set_master (net/core/rtnetlink.c:3011)
[  107.806584][ T1852]  ? netif_change_flags (net/core/dev.c:9820)
[  107.806774][ T1852]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.806988][ T1852]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.807179][ T1852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.807407][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.807601][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.807789][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.807996][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.808185][ T1852]  ? __kernel_text_address (kernel/extable.c:79)
[  107.808374][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.808571][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.808762][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.808965][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.809160][ T1852]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.809346][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.809538][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.809729][ T1852]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.809931][ T1852]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.810126][ T1852]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.810318][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.810510][ T1852]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.810702][ T1852]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.810907][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.811108][ T1852]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.811301][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.811487][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.811680][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.811882][ T1852]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.812080][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.812273][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.812458][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.812655][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.812843][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.813054][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.813248][ T1852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.813437][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.813630][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.813816][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.814026][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.814215][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.814407][ T1852]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.814601][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.814795][ T1852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.815004][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.815286][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.815477][ T1852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.815671][ T1852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.815861][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.816168][ T1852]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.816363][ T1852]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.816558][ T1852]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.816748][ T1852]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.816951][ T1852]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.817148][ T1852]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.817371][ T1852]  ? move_addr_to_kernel (net/socket.c:258)
[  107.817566][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.817850][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.818063][ T1852]  ___sys_sendmsg (net/socket.c:2752)
[  107.818253][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.818475][ T1852]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.818773][ T1852]  __sys_sendmsg (net/socket.c:2784)
[  107.818977][ T1852]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.819175][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.819399][ T1852]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.819690][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.819895][ T1852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.820093][ T1852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.820282][ T1852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.820572][ T1852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.820793][ T1852] RIP: 0033:0x7fd8c8d3d08e
[  107.821003][ T1852] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.821645][ T1852] RSP: 002b:00007ffda11d28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.822016][ T1852] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd8c8d3d08e
[  107.822270][ T1852] RDX: 0000000000000000 RSI: 00007ffda11d29a0 RDI: 0000000000000005
[  107.822530][ T1852] RBP: 00007ffda11d2900 R08: 0000000000000000 R09: 0000000000000000
[  107.822891][ T1852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.823161][ T1852] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda11d3070
| [  107.833090][ T1852] ------------[ cut here ]------------
| [  107.833269][ T1852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1852
| [  107.833583][ T1852] Modules linked in:
| [  107.834603][ T1852] Tainted: [W]=WARN
[  107.834927][ T1852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.835215][ T1852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.835490][ T1852] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.836081][ T1852] RSP: 0018:ffa00000054e7000 EFLAGS: 00010286
[  107.836349][ T1852] RAX: 00000000ffffffa6 RBX: ff11000009a011c0 RCX: 1ff4000000a9cdc6
[  107.836656][ T1852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0127c
[  107.836966][ T1852] RBP: ff1100001286a000 R08: 1fe2200001340251 R09: ff11000009a95158
[  107.837271][ T1852] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  107.837572][ T1852] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  107.837886][ T1852] FS:  00007fd8c8b03840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.838225][ T1852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.838491][ T1852] CR2: 00000000004eba70 CR3: 00000000100f8002 CR4: 0000000000771ef0
[  107.838794][ T1852] PKRU: 55555554
[  107.839012][ T1852] Call Trace:
[  107.839213][ T1852]  <TASK>
[  107.839383][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.839625][ T1852]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.839859][ T1852]  notifier_call_chain (kernel/notifier.c:85)
[  107.840178][ T1852]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[  107.840414][ T1852]  ? __dev_open (./include/net/netdev_lock.h:33)
[  107.840655][ T1852]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[  107.840904][ T1852]  br_add_if (net/bridge/br_if.c:679)
[  107.841117][ T1852]  do_set_master (net/core/rtnetlink.c:3011)
[  107.841355][ T1852]  ? netif_change_flags (net/core/dev.c:9820)
[  107.841593][ T1852]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.841831][ T1852]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.842085][ T1852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.842350][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.842588][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.842824][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.843082][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.843317][ T1852]  ? __kernel_text_address (kernel/extable.c:79)
[  107.843561][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.843798][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.844049][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.844287][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.844534][ T1852]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.844771][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.845026][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.845260][ T1852]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.845494][ T1852]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.845735][ T1852]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.845991][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.846227][ T1852]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.846461][ T1852]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.846709][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.846960][ T1852]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.847206][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.847438][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.847680][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.847928][ T1852]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.848173][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.848417][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.848655][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.848903][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.849146][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.849381][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.849621][ T1852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.849854][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.850109][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.850350][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.850589][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.850824][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.851079][ T1852]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.851317][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.851560][ T1852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.851799][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.852049][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.852289][ T1852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.852534][ T1852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.852768][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.853025][ T1852]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.853260][ T1852]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.853494][ T1852]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.853737][ T1852]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.853995][ T1852]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.854230][ T1852]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.854494][ T1852]  ? move_addr_to_kernel (net/socket.c:258)
[  107.854735][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.854992][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.855228][ T1852]  ___sys_sendmsg (net/socket.c:2752)
[  107.855460][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.855736][ T1852]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.856000][ T1852]  __sys_sendmsg (net/socket.c:2784)
[  107.856235][ T1852]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.856466][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.856742][ T1852]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.857001][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.857235][ T1852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.857470][ T1852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.857708][ T1852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.857953][ T1852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.858224][ T1852] RIP: 0033:0x7fd8c8d3d08e
[  107.858466][ T1852] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.859067][ T1852] RSP: 002b:00007ffda11d28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.859368][ T1852] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd8c8d3d08e
[  107.859674][ T1852] RDX: 0000000000000000 RSI: 00007ffda11d29a0 RDI: 0000000000000005
[  107.859992][ T1852] RBP: 00007ffda11d2900 R08: 0000000000000000 R09: 0000000000000000
[  107.860263][ T1852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.860503][ T1852] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda11d3070
| [  107.862611][ T1852] ------------[ cut here ]------------
| [  107.862780][ T1852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1852
| [  107.863112][ T1852] Modules linked in:
| [  107.863577][ T1852] Tainted: [W]=WARN
[  107.863725][ T1852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.864076][ T1852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.864293][ T1852] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.864825][ T1852] RSP: 0018:ffa00000054e6f78 EFLAGS: 00010286
[  107.865064][ T1852] RAX: 00000000ffffffa6 RBX: ff11000009a00580 RCX: 1ff4000000a9cdb5
[  107.865308][ T1852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a0063c
[  107.865557][ T1852] RBP: ff1100001286a000 R08: 1fe22000013400c9 R09: ff11000009a95158
[  107.865799][ T1852] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  107.866064][ T1852] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000002
[  107.866308][ T1852] FS:  00007fd8c8b03840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  107.866591][ T1852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.866802][ T1852] CR2: 00000000004eba70 CR3: 00000000100f8002 CR4: 0000000000771ef0
[  107.867069][ T1852] PKRU: 55555554
[  107.867219][ T1852] Call Trace:
[  107.867365][ T1852]  <TASK>
[  107.867480][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.867665][ T1852]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.867847][ T1852]  notifier_call_chain (kernel/notifier.c:85)
[  107.868052][ T1852]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  107.868269][ T1852]  ? netdev_change_features (net/core/dev.c:11117)
[  107.868450][ T1852]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  107.868645][ T1852]  br_add_if (net/bridge/br_if.c:683)
[  107.868798][ T1852]  do_set_master (net/core/rtnetlink.c:3011)
[  107.868994][ T1852]  ? netif_change_flags (net/core/dev.c:9820)
[  107.869177][ T1852]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.869361][ T1852]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.869546][ T1852]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.869759][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.869958][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.870149][ T1852]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.870328][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.870506][ T1852]  ? __kernel_text_address (kernel/extable.c:79)
[  107.870692][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.870887][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.871079][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.871268][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.871448][ T1852]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.871631][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.871810][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.872011][ T1852]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.872193][ T1852]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.872372][ T1852]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.872560][ T1852]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.872746][ T1852]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.872938][ T1852]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.873129][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.873312][ T1852]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.873495][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.873682][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.873863][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.874061][ T1852]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.874242][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.874424][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.874612][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.874793][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.874990][ T1852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.875171][ T1852]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.875352][ T1852]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.875538][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.875719][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.875913][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.876105][ T1852]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.876286][ T1852]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.876467][ T1852]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.876655][ T1852]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.876836][ T1852]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.877040][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.877219][ T1852]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.877402][ T1852]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.877590][ T1852]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.877769][ T1852]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.877964][ T1852]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.878154][ T1852]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.878341][ T1852]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.878526][ T1852]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.878709][ T1852]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.878901][ T1852]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.879121][ T1852]  ? move_addr_to_kernel (net/socket.c:258)
[  107.879304][ T1852]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.879485][ T1852]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.879674][ T1852]  ___sys_sendmsg (net/socket.c:2752)
[  107.879853][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.880089][ T1852]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.880282][ T1852]  __sys_sendmsg (net/socket.c:2784)
[  107.880463][ T1852]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.880651][ T1852]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.880882][ T1852]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.881076][ T1852]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.881262][ T1852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.881442][ T1852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.881627][ T1852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.881809][ T1852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.882042][ T1852] RIP: 0033:0x7fd8c8d3d08e
[  107.882231][ T1852] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.882761][ T1852] RSP: 002b:00007ffda11d28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.883026][ T1852] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd8c8d3d08e
[  107.883272][ T1852] RDX: 0000000000000000 RSI: 00007ffda11d29a0 RDI: 0000000000000005
[  107.883522][ T1852] RBP: 00007ffda11d2900 R08: 0000000000000000 R09: 0000000000000000
[  107.883768][ T1852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.884035][ T1852] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda11d3070
| [  107.886445][   T38] ------------[ cut here ]------------
| [  107.886576][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [  107.886811][   T38] Modules linked in:
| [  107.887195][   T38] Tainted: [W]=WARN
[  107.887285][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.887433][   T38] Workqueue: events_unbound linkwatch_event
[  107.887589][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.887741][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.888196][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[  107.888345][   T38] RAX: 00000000ffffffa6 RBX: ff11000009a00e40 RCX: 1ff4000000055f02
[  107.888523][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a00efc
[  107.888700][   T38] RBP: ff1100000ed01000 R08: 1fe22000013401e1 R09: ff11000001da2ea8
[  107.888888][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  107.889068][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.889245][   T38] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  107.889451][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.889604][   T38] CR2: 000055dfdb5e2d5c CR3: 0000000009c29003 CR4: 0000000000771ef0
[  107.889780][   T38] PKRU: 55555554
[  107.889875][   T38] Call Trace:
[  107.889963][   T38]  <TASK>
[  107.890032][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.890151][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.890276][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.890373][   T38]  netif_state_change (net/core/dev.c:1605)
[  107.890491][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  107.890643][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  107.890760][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  107.890889][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.891014][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  107.891133][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  107.891255][   T38]  process_one_work (kernel/workqueue.c:3314)
[  107.891377][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.891494][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.891620][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.891742][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.891859][   T38]  kthread (kernel/kthread.c:436)
[  107.891955][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.892107][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.892225][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.892344][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.892491][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.892612][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.892730][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.925084][ T1853] ------------[ cut here ]------------
| [  107.925230][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [  107.925486][ T1853] Modules linked in:
| [  107.925849][ T1853] Tainted: [W]=WARN
[  107.925955][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.926121][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.926288][ T1853] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.926748][ T1853] RSP: 0018:ffa00000054f7150 EFLAGS: 00010286
[  107.926913][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000ca8d380 RCX: 1ff4000000a9edf0
[  107.927113][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d43c
[  107.927305][ T1853] RBP: ff1100001286a000 R08: 1fe2200001951a89 R09: ff11000009655158
[  107.927498][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  107.927694][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d5a11c0
[  107.927893][ T1853] FS:  00007f6876590840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.928124][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.928286][ T1853] CR2: 00000000004ec908 CR3: 0000000010336005 CR4: 0000000000771ef0
[  107.928481][ T1853] PKRU: 55555554
[  107.928580][ T1853] Call Trace:
[  107.928679][ T1853]  <TASK>
[  107.928746][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.928881][ T1853]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.929018][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.929116][ T1853]  netif_state_change (net/core/dev.c:1605)
[  107.929244][ T1853]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[  107.929374][ T1853]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  107.929537][ T1853]  ? dev_deactivate_many (net/sched/sch_generic.c:1393)
[  107.929665][ T1853]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[  107.929826][ T1853]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[  107.929963][ T1853]  linkwatch_sync_dev (net/core/link_watch.c:295)
[  107.930100][ T1853]  rtnl_getlink (net/core/rtnetlink.c:4273)
[  107.930230][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.930359][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.930488][ T1853]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[  107.930617][ T1853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.930746][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.931560][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.931711][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.931839][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.932004][ T1853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.932136][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.932264][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.932399][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.932534][ T1853]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[  107.932664][ T1853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.932793][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.932927][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.933057][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.933188][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.933316][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.933446][ T1853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.933578][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.933707][ T1853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.933841][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.933975][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.934111][ T1853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.934242][ T1853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.934371][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.934499][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.934633][ T1853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.934765][ T1853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.934902][ T1853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.935039][ T1853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.935168][ T1853]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.935297][ T1853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.935458][ T1853]  ? move_addr_to_kernel (net/socket.c:258)
[  107.935589][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.935720][ T1853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.935884][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.936016][ T1853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.936177][ T1853]  ___sys_sendmsg (net/socket.c:2752)
[  107.936305][ T1853]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.936433][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.936576][ T1853]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[  107.936704][ T1853]  ? do_getsockname (net/socket.c:2192)
[  107.936835][ T1853]  __sys_sendmsg (net/socket.c:2784)
[  107.936970][ T1853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.937109][ T1853]  ? __sys_getsockname (net/socket.c:2210)
[  107.937238][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.937367][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.937495][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.937628][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.937758][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.937923][ T1853] RIP: 0033:0x7f68767ca08e
[  107.938061][ T1853] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.938523][ T1853] RSP: 002b:00007ffc3ac78d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.938716][ T1853] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68767ca08e
[  107.938911][ T1853] RDX: 0000000000000000 RSI: 00007ffc3ac78df0 RDI: 0000000000000006
[  107.939110][ T1853] RBP: 00007ffc3ac78d50 R08: 0000000000000000 R09: 0000000000000000
[  107.939303][ T1853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.939495][ T1853] R13: 00007ffc3ac78ea0 R14: 00007ffc3ac7aae8 R15: 00000000fffffff5
| [  107.941838][ T1853] ------------[ cut here ]------------
| [  107.941984][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [  107.942243][ T1853] Modules linked in:
| [  107.942609][ T1853] Tainted: [W]=WARN
[  107.942706][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.943460][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.943636][ T1853] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.944110][ T1853] RSP: 0018:ffa00000054f7020 EFLAGS: 00010286
[  107.944274][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000a9a7380 RCX: 1ff4000000a9edca
[  107.944468][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a743c
[  107.944665][ T1853] RBP: ff11000009599000 R08: 1fe2200001534e89 R09: ff11000009655158
[  107.944857][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  107.945060][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  107.945255][ T1853] FS:  00007f6876590840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.945482][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.945647][ T1853] CR2: 00000000004eba78 CR3: 0000000010336005 CR4: 0000000000771ef0
[  107.945842][ T1853] PKRU: 55555554
[  107.945943][ T1853] Call Trace:
[  107.946046][ T1853]  <TASK>
[  107.946113][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.946245][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.946344][ T1853]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  107.946473][ T1853]  __dev_notify_flags (net/core/dev.c:9787)
[  107.946608][ T1853]  ? netif_change_name (net/core/dev.c:1495)
[  107.946737][ T1853]  ? __dev_change_flags (net/core/dev.c:9752)
[  107.946874][ T1853]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.947010][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.947141][ T1853]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  107.947274][ T1853]  netif_change_flags (net/core/dev.c:9820)
[  107.947405][ T1853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  107.947540][ T1853]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  107.947673][ T1853]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.947804][ T1853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.947976][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.948109][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.948239][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.948368][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.948498][ T1853]  ? __kernel_text_address (kernel/extable.c:79)
[  107.948633][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.948767][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.948902][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.949037][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.949167][ T1853]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.949297][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.949428][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.949564][ T1853]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.949697][ T1853]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.949828][ T1853]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.949967][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.950106][ T1853]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.950236][ T1853]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.950368][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.950501][ T1853]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.950636][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.950767][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.950901][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.951035][ T1853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.951164][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.951296][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.951424][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.951554][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.951683][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.951815][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.951949][ T1853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.952084][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.952213][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.952343][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.952474][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.952606][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.952736][ T1853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.952864][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.953006][ T1853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.953138][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.953266][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.953397][ T1853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.953531][ T1853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.953661][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.953792][ T1853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.953928][ T1853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.954064][ T1853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.954194][ T1853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.954323][ T1853]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.954453][ T1853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.954614][ T1853]  ? move_addr_to_kernel (net/socket.c:258)
[  107.954746][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.954880][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.955016][ T1853]  ___sys_sendmsg (net/socket.c:2752)
[  107.955144][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.955304][ T1853]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.955446][ T1853]  __sys_sendmsg (net/socket.c:2784)
[  107.955580][ T1853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.955709][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.955877][ T1853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.956013][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.956142][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.956271][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.956401][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.956533][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.956694][ T1853] RIP: 0033:0x7f68767ca08e
[  107.956830][ T1853] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.957300][ T1853] RSP: 002b:00007ffc3ac7a350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.957496][ T1853] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f68767ca08e
[  107.957694][ T1853] RDX: 0000000000000000 RSI: 00007ffc3ac7a400 RDI: 0000000000000005
[  107.957891][ T1853] RBP: 00007ffc3ac7a360 R08: 0000000000000000 R09: 0000000000000000
[  107.958088][ T1853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.958280][ T1853] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3ac7aad0
| [  107.962601][ T1853] ------------[ cut here ]------------
| [  107.962735][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [  107.963008][ T1853] Modules linked in:
| [  107.963374][ T1853] Tainted: [W]=WARN
[  107.963477][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.963650][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.963822][ T1853] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.964306][ T1853] RSP: 0018:ffa00000054f6ee0 EFLAGS: 00010286
[  107.964472][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000d637380 RCX: 1ff4000000a9eda2
[  107.964672][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d63743c
[  107.964876][ T1853] RBP: ff11000009599000 R08: 1fe2200001ac6e89 R09: ff11000009655158
[  107.965077][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  107.965275][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  107.965475][ T1853] FS:  00007f6876590840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  107.965710][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.965881][ T1853] CR2: 00000000004eba78 CR3: 0000000010336005 CR4: 0000000000771ef0
[  107.966090][ T1853] PKRU: 55555554
[  107.966188][ T1853] Call Trace:
[  107.966286][ T1853]  <TASK>
[  107.966354][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.966484][ T1853]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  107.966618][ T1853]  notifier_call_chain (kernel/notifier.c:85)
[  107.966753][ T1853]  __netdev_upper_dev_link (net/core/dev.c:8931)
[  107.966892][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.967030][ T1853]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.967163][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.967298][ T1853]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[  107.967431][ T1853]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[  107.967567][ T1853]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.967698][ T1853]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[  107.967831][ T1853]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[  107.967971][ T1853]  br_add_if (net/bridge/br_if.c:619)
[  107.968079][ T1853]  do_set_master (net/core/rtnetlink.c:3011)
[  107.968211][ T1853]  ? netif_change_flags (net/core/dev.c:9820)
[  107.968345][ T1853]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.968478][ T1853]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.968615][ T1853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.968779][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.968917][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.969053][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.969186][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.969319][ T1853]  ? __kernel_text_address (kernel/extable.c:79)
[  107.969452][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.969587][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.969719][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.969854][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.970054][ T1853]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.970243][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.970376][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.970510][ T1853]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.970643][ T1853]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.970774][ T1853]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.970964][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.971107][ T1853]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.971240][ T1853]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.971374][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.971513][ T1853]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.971646][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.971778][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.971968][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.972107][ T1853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.972240][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.972374][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.972506][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.972640][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.972772][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.972962][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.973118][ T1853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.973256][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.973388][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.973521][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.973655][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.973786][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.973977][ T1853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.974119][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.974254][ T1853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.974391][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.974524][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.974657][ T1853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.974791][ T1853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.974988][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.975123][ T1853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.975257][ T1853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.975393][ T1853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.975530][ T1853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.975662][ T1853]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.975794][ T1853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.976020][ T1853]  ? move_addr_to_kernel (net/socket.c:258)
[  107.976155][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.976287][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.976421][ T1853]  ___sys_sendmsg (net/socket.c:2752)
[  107.976553][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.976716][ T1853]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.976862][ T1853]  __sys_sendmsg (net/socket.c:2784)
[  107.977060][ T1853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.977192][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.977358][ T1853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.977492][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.977630][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.977763][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.977952][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.978089][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.978252][ T1853] RIP: 0033:0x7f68767ca08e
[  107.978389][ T1853] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.978864][ T1853] RSP: 002b:00007ffc3ac7a350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.979125][ T1853] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f68767ca08e
[  107.979322][ T1853] RDX: 0000000000000000 RSI: 00007ffc3ac7a400 RDI: 0000000000000005
[  107.979522][ T1853] RBP: 00007ffc3ac7a360 R08: 0000000000000000 R09: 0000000000000000
[  107.979719][ T1853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.979974][ T1853] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3ac7aad0
| [  107.982144][ T1853] ------------[ cut here ]------------
| [  107.982284][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1853
| [  107.982555][ T1853] Modules linked in:
| [  107.982954][ T1853] Tainted: [W]=WARN
[  107.983063][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.983236][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.983414][ T1853] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  107.983916][ T1853] RSP: 0018:ffa00000054f6ea0 EFLAGS: 00010286
[  107.984093][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000d636740 RCX: 1ff4000000a9ed9a
[  107.984298][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6367fc
[  107.984503][ T1853] RBP: ff11000009599000 R08: 1fe2200001ac6d01 R09: ff11000009655158
[  107.984712][ T1853] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[  107.984924][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001286adc0
[  107.985133][ T1853] FS:  00007f6876590840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  107.985372][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.985549][ T1853] CR2: 00007f8f5f1a4574 CR3: 0000000010336003 CR4: 0000000000771ef0
[  107.985755][ T1853] PKRU: 55555554
[  107.985857][ T1853] Call Trace:
[  107.985967][ T1853]  <TASK>
[  107.986043][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.986183][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.986288][ T1853]  __dev_notify_flags (net/core/dev.c:9787)
[  107.986426][ T1853]  ? netdev_notice (net/core/dev.c:13008)
[  107.986570][ T1853]  ? netif_change_name (net/core/dev.c:1495)
[  107.986708][ T1853]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[  107.986884][ T1853]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[  107.987030][ T1853]  __dev_set_promiscuity (net/core/dev.c:9630)
[  107.987168][ T1853]  netif_set_promiscuity (net/core/dev.c:9639)
[  107.987306][ T1853]  dev_set_promiscuity (net/core/dev_api.c:288)
[  107.987446][ T1853]  br_port_set_promisc (net/bridge/br_if.c:108)
[  107.987587][ T1853]  br_manage_promisc (net/bridge/br_if.c:174)
[  107.987725][ T1853]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[  107.987864][ T1853]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[  107.987977][ T1853]  do_set_master (net/core/rtnetlink.c:3011)
[  107.988121][ T1853]  ? netif_change_flags (net/core/dev.c:9820)
[  107.988260][ T1853]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  107.988400][ T1853]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  107.988544][ T1853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  107.988715][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.988852][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.989000][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.989137][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.989274][ T1853]  ? __kernel_text_address (kernel/extable.c:79)
[  107.989413][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.989555][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.989692][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.989829][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.989973][ T1853]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.990115][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.990252][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.990390][ T1853]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  107.990532][ T1853]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  107.990669][ T1853]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  107.990806][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  107.990951][ T1853]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  107.991093][ T1853]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.991233][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  107.991372][ T1853]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  107.991516][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.991654][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.991790][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.991934][ T1853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  107.992078][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.992218][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.992355][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.992492][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.992635][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.992773][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  107.992915][ T1853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  107.993058][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.993196][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.993333][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.993472][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.993612][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  107.993752][ T1853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  107.993894][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.994037][ T1853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.994180][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  107.994317][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  107.994457][ T1853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.994599][ T1853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.994739][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  107.994882][ T1853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  107.995026][ T1853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  107.995165][ T1853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  107.995305][ T1853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  107.995442][ T1853]  ? copy_msghdr_from_user (net/socket.c:2635)
[  107.995584][ T1853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  107.995755][ T1853]  ? move_addr_to_kernel (net/socket.c:258)
[  107.995900][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.996044][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  107.996184][ T1853]  ___sys_sendmsg (net/socket.c:2752)
[  107.996320][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  107.996491][ T1853]  ? copy_msghdr_from_user (net/socket.c:2603)
[  107.996644][ T1853]  __sys_sendmsg (net/socket.c:2784)
[  107.996782][ T1853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  107.996926][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  107.997103][ T1853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.997241][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.997380][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  107.997520][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  107.997657][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  107.997795][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.997972][ T1853] RIP: 0033:0x7f68767ca08e
[  107.998121][ T1853] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.998609][ T1853] RSP: 002b:00007ffc3ac7a350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.998817][ T1853] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f68767ca08e
[  107.999033][ T1853] RDX: 0000000000000000 RSI: 00007ffc3ac7a400 RDI: 0000000000000005
[  107.999237][ T1853] RBP: 00007ffc3ac7a360 R08: 0000000000000000 R09: 0000000000000000
[  107.999441][ T1853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  107.999649][ T1853] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3ac7aad0
| [  108.007151][ T1853] ------------[ cut here ]------------
| [  108.007290][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1853
| [  108.007549][ T1853] Modules linked in:
| [  108.007916][ T1853] Tainted: [W]=WARN
[  108.008021][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.008181][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.008348][ T1853] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.008811][ T1853] RSP: 0018:ffa00000054f6f78 EFLAGS: 00010286
[  108.008977][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000d636040 RCX: 1ff4000000a9edb5
[  108.009176][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6360fc
[  108.009370][ T1853] RBP: ff1100001286a000 R08: 1fe2200001ac6c21 R09: ff11000009655158
[  108.009568][ T1853] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  108.009760][ T1853] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[  108.009961][ T1853] FS:  00007f6876590840(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  108.010192][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.010354][ T1853] CR2: 00007f8f5f1a4574 CR3: 0000000010336003 CR4: 0000000000771ef0
[  108.010551][ T1853] PKRU: 55555554
[  108.010647][ T1853] Call Trace:
[  108.010743][ T1853]  <TASK>
[  108.010810][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.010942][ T1853]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  108.011080][ T1853]  notifier_call_chain (kernel/notifier.c:85)
[  108.011214][ T1853]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[  108.011379][ T1853]  ? br_get_link_af_size_filtered (./include/linux/rcupdate.h:871 net/bridge/br_netlink.c:114)
[  108.011545][ T1853]  ? netdev_change_features (net/core/dev.c:11117)
[  108.011676][ T1853]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[  108.011807][ T1853]  br_add_if (net/bridge/br_if.c:683)
[  108.011972][ T1853]  do_set_master (net/core/rtnetlink.c:3011)
[  108.012108][ T1853]  ? netif_change_flags (net/core/dev.c:9820)
[  108.012240][ T1853]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[  108.012371][ T1853]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  108.012502][ T1853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  108.012666][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.012795][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.012986][ T1853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  108.013118][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.013248][ T1853]  ? __kernel_text_address (kernel/extable.c:79)
[  108.013377][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.013513][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.013643][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.013773][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.013958][ T1853]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  108.014146][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.014276][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.014406][ T1853]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  108.014538][ T1853]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  108.014669][ T1853]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  108.014799][ T1853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.014991][ T1853]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  108.015121][ T1853]  ? nla_get_range_signed (lib/nlattr.c:270)
[  108.015253][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  108.015388][ T1853]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  108.015521][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.015650][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.015780][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.015963][ T1853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  108.016097][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.016228][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.016360][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.016489][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.016623][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.016754][ T1853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.016939][ T1853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  108.017075][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.017205][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.017335][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.017468][ T1853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.017601][ T1853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.017731][ T1853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  108.017860][ T1853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.018050][ T1853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.018185][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.018314][ T1853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.018445][ T1853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.018582][ T1853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.018713][ T1853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.018845][ T1853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  108.019034][ T1853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  108.019168][ T1853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  108.019298][ T1853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  108.019429][ T1853]  ? copy_msghdr_from_user (net/socket.c:2635)
[  108.019563][ T1853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  108.019723][ T1853]  ? move_addr_to_kernel (net/socket.c:258)
[  108.019853][ T1853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.020043][ T1853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.020174][ T1853]  ___sys_sendmsg (net/socket.c:2752)
[  108.020302][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  108.020462][ T1853]  ? copy_msghdr_from_user (net/socket.c:2603)
[  108.020608][ T1853]  __sys_sendmsg (net/socket.c:2784)
[  108.020737][ T1853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  108.020922][ T1853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  108.021089][ T1853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.021220][ T1853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.021351][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  108.021481][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  108.021613][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  108.021744][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.021959][ T1853] RIP: 0033:0x7f68767ca08e
[  108.022097][ T1853] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  108.022561][ T1853] RSP: 002b:00007ffc3ac7a350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.022756][ T1853] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f68767ca08e
[  108.023010][ T1853] RDX: 0000000000000000 RSI: 00007ffc3ac7a400 RDI: 0000000000000005
[  108.023202][ T1853] RBP: 00007ffc3ac7a360 R08: 0000000000000000 R09: 0000000000000000
[  108.023394][ T1853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  108.023590][ T1853] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3ac7aad0
| [  108.026447][   T36] ------------[ cut here ]------------
| [  108.026573][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [  108.026808][   T36] Modules linked in:
| [  108.027189][   T36] Tainted: [W]=WARN
[  108.027279][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.027428][   T36] Workqueue: events_unbound linkwatch_event
[  108.027584][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.027744][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.028184][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[  108.028331][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d31b540 RCX: 1ff4000000051f02
[  108.028508][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b5fc
[  108.028685][   T36] RBP: ff11000009599000 R08: 1fe2200001a636c1 R09: ff11000001d751a8
[  108.028861][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  108.029049][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  108.029230][   T36] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  108.029438][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.029590][   T36] CR2: 00000000004eba78 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[  108.029767][   T36] PKRU: 55555554
[  108.029854][   T36] Call Trace:
[  108.029959][   T36]  <TASK>
[  108.030023][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.030142][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[  108.030265][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.030356][   T36]  netif_state_change (net/core/dev.c:1605)
[  108.030473][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  108.030623][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  108.030743][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  108.030859][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.030989][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  108.031106][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  108.031223][   T36]  process_one_work (kernel/workqueue.c:3314)
[  108.031349][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  108.031466][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.031589][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  108.031710][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  108.031827][   T36]  kthread (kernel/kthread.c:436)
[  108.032211][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.032359][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.032479][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[  108.032600][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  108.032749][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  108.032873][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.032994][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  108.034620][   T36] ------------[ cut here ]------------
| [  108.034743][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [  108.035003][   T36] Modules linked in:
| [  108.035382][   T36] Tainted: [W]=WARN
[  108.035475][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.035636][   T36] Workqueue: events_unbound linkwatch_event
[  108.035795][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.035966][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.036428][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[  108.036584][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d31a3c0 RCX: 1ff4000000051f02
[  108.036758][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a47c
[  108.036947][   T36] RBP: ff110000089c1000 R08: 1fe2200001a63491 R09: ff11000001d751a8
[  108.037134][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  108.037310][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  108.037492][   T36] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  108.037702][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.037848][   T36] CR2: 00000000004eba78 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[  108.038034][   T36] PKRU: 55555554
[  108.038123][   T36] Call Trace:
[  108.038211][   T36]  <TASK>
[  108.038273][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.038391][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[  108.038513][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.038603][   T36]  netif_state_change (net/core/dev.c:1605)
[  108.038726][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  108.038881][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  108.039003][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  108.039122][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.039242][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  108.039360][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  108.039481][   T36]  process_one_work (kernel/workqueue.c:3314)
[  108.039606][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  108.039724][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.039846][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  108.039972][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  108.040094][   T36]  kthread (kernel/kthread.c:436)
[  108.040182][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.040330][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.040452][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[  108.040572][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  108.040719][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  108.040836][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.040961][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  108.042503][   T36] ------------[ cut here ]------------
| [  108.042640][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [  108.042887][   T36] Modules linked in:
| [  108.043256][   T36] Tainted: [W]=WARN
[  108.043346][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.043497][   T36] Workqueue: events_unbound linkwatch_event
[  108.043653][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.043806][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.044241][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[  108.044482][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d31a040 RCX: 1ff4000000051f02
[  108.044667][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a0fc
[  108.044842][   T36] RBP: ff1100001286a000 R08: 1fe2200001a63421 R09: ff11000001d751a8
[  108.045100][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  108.045284][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  108.045464][   T36] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  108.045671][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.045818][   T36] CR2: 00007f8f5f1a4574 CR3: 0000000068f4d005 CR4: 0000000000771ef0
[  108.046046][   T36] PKRU: 55555554
[  108.046136][   T36] Call Trace:
[  108.046223][   T36]  <TASK>
[  108.046284][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.046403][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[  108.046522][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.046613][   T36]  netif_state_change (net/core/dev.c:1605)
[  108.046732][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  108.046927][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  108.047054][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  108.047219][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.047343][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  108.047460][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  108.047579][   T36]  process_one_work (kernel/workqueue.c:3314)
[  108.047700][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  108.047818][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.047984][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  108.048110][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  108.048231][   T36]  kthread (kernel/kthread.c:436)
[  108.048320][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.048466][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.048589][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[  108.048710][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  108.048858][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  108.048988][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.049106][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  108.235408][ T1860] ------------[ cut here ]------------
| [  108.235563][ T1860] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1860
| [  108.235827][ T1860] Modules linked in:
| [  108.236219][ T1860] Tainted: [W]=WARN
[  108.236319][ T1860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.236486][ T1860] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.236666][ T1860] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.237163][ T1860] RSP: 0018:ffa00000055571b0 EFLAGS: 00010286
[  108.237333][ T1860] RAX: 00000000ffffffa6 RBX: ff1100000d4723c0 RCX: 1ff4000000aaadfc
[  108.237535][ T1860] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d47247c
[  108.237735][ T1860] RBP: ff1100000a874000 R08: 1fe2200001a8e491 R09: ff1100000f0bae80
[  108.237941][ T1860] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  108.238143][ T1860] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[  108.238342][ T1860] FS:  00007f76afbf8840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  108.238579][ T1860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.238750][ T1860] CR2: 00007f76aff6d040 CR3: 0000000010003004 CR4: 0000000000771ef0
[  108.238956][ T1860] PKRU: 55555554
[  108.239061][ T1860] Call Trace:
[  108.239160][ T1860]  <TASK>
[  108.239228][ T1860]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.239365][ T1860]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.239466][ T1860]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[  108.239605][ T1860]  __dev_notify_flags (net/core/dev.c:9787)
[  108.239741][ T1860]  ? netif_change_name (net/core/dev.c:1495)
[  108.239880][ T1860]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[  108.240023][ T1860]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[  108.240157][ T1860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.240291][ T1860]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[  108.240425][ T1860]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  108.240563][ T1860]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  108.240699][ T1860]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[  108.240833][ T1860]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  108.241395][ T1860]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  108.241535][ T1860]  ? __dev_get_by_name (net/core/dev.c:883)
[  108.241670][ T1860]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  108.241810][ T1860]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  108.241953][ T1860]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  108.242093][ T1860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.242226][ T1860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.242359][ T1860]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.242492][ T1860]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  108.242629][ T1860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.242766][ T1860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.242906][ T1860]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.243044][ T1860]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  108.243179][ T1860]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.243311][ T1860]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.243443][ T1860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.243582][ T1860]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.243715][ T1860]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.243849][ T1860]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  108.243994][ T1860]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.244129][ T1860]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.244266][ T1860]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.244401][ T1860]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.244541][ T1860]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.244677][ T1860]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.244811][ T1860]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.244947][ T1860]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  108.245089][ T1860]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  108.245223][ T1860]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  108.245359][ T1860]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  108.245492][ T1860]  ? copy_msghdr_from_user (net/socket.c:2635)
[  108.245629][ T1860]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  108.245794][ T1860]  ? move_addr_to_kernel (net/socket.c:258)
[  108.245940][ T1860]  ___sys_sendmsg (net/socket.c:2752)
[  108.246078][ T1860]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.246210][ T1860]  ? copy_msghdr_from_user (net/socket.c:2603)
[  108.246352][ T1860]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[  108.246488][ T1860]  __sys_sendmsg (net/socket.c:2784)
[  108.246625][ T1860]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  108.246763][ T1860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.246902][ T1860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.247041][ T1860]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  108.247175][ T1860]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  108.247308][ T1860]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  108.247441][ T1860]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.247609][ T1860] RIP: 0033:0x7f76afe3208e
[  108.247748][ T1860] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  108.248231][ T1860] RSP: 002b:00007ffe63582410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.248431][ T1860] RAX: ffffffffffffffda RBX: 00007ffe63582bb8 RCX: 00007f76afe3208e
[  108.248633][ T1860] RDX: 0000000000000000 RSI: 00007ffe635824c0 RDI: 0000000000000005
[  108.248831][ T1860] RBP: 00007ffe63582420 R08: 0000000000000000 R09: 0000000000000000
[  108.249044][ T1860] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  108.249242][ T1860] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe63582b90
| [  108.278081][ T1861] ------------[ cut here ]------------
| [  108.278264][ T1861] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1861
| [  108.278580][ T1861] Modules linked in:
| [  108.279233][ T1861] Tainted: [W]=WARN
[  108.279460][ T1861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.279770][ T1861] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.280069][ T1861] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.280642][ T1861] RSP: 0018:ffa0000005567020 EFLAGS: 00010286
[  108.280950][ T1861] RAX: 00000000ffffffa6 RBX: ff1100000d512580 RCX: 1ff4000000aacdca
[  108.281218][ T1861] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51263c
[  108.281466][ T1861] RBP: ff1100000a874000 R08: 1fe2200001aa24c9 R09: ff1100000f0bd158
[  108.281717][ T1861] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  108.281971][ T1861] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  108.282223][ T1861] FS:  00007f766c688840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  108.282497][ T1861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.282720][ T1861] CR2: 000000002ac8d988 CR3: 000000000eeb2005 CR4: 0000000000771ef0
[  108.282979][ T1861] PKRU: 55555554
[  108.283134][ T1861] Call Trace:
[  108.283280][ T1861]  <TASK>
[  108.283395][ T1861]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.283586][ T1861]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.283735][ T1861]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  108.283927][ T1861]  __dev_notify_flags (net/core/dev.c:9787)
[  108.284124][ T1861]  ? netif_change_name (net/core/dev.c:1495)
[  108.284302][ T1861]  ? __dev_change_flags (net/core/dev.c:9752)
[  108.284482][ T1861]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  108.284666][ T1861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.284846][ T1861]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  108.285051][ T1861]  netif_change_flags (net/core/dev.c:9820)
[  108.285237][ T1861]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  108.285417][ T1861]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  108.285607][ T1861]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  108.285787][ T1861]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  108.286020][ T1861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.286200][ T1861]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.286379][ T1861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  108.286564][ T1861]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.286745][ T1861]  ? __kernel_text_address (kernel/extable.c:79)
[  108.286938][ T1861]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.287128][ T1861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.287307][ T1861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.287490][ T1861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.287677][ T1861]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  108.287856][ T1861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.288056][ T1861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.288238][ T1861]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  108.288420][ T1861]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  108.288606][ T1861]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  108.288789][ T1861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.288992][ T1861]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  108.289176][ T1861]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  108.289359][ T1861]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  108.289546][ T1861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.289724][ T1861]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.289916][ T1861]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.290106][ T1861]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  108.290286][ T1861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.290469][ T1861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.290658][ T1861]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.290842][ T1861]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.291039][ T1861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.291220][ T1861]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.291399][ T1861]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  108.291588][ T1861]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.291768][ T1861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.291958][ T1861]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.292230][ T1861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.292407][ T1861]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.292597][ T1861]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  108.292776][ T1861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.292970][ T1861]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.293163][ T1861]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.293341][ T1861]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.293526][ T1861]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.293708][ T1861]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.293902][ T1861]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.294094][ T1861]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  108.294275][ T1861]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  108.294456][ T1861]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  108.294646][ T1861]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  108.294827][ T1861]  ? copy_msghdr_from_user (net/socket.c:2635)
[  108.295027][ T1861]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  108.295238][ T1861]  ? move_addr_to_kernel (net/socket.c:258)
[  108.295420][ T1861]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.295609][ T1861]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.295791][ T1861]  ___sys_sendmsg (net/socket.c:2752)
[  108.295989][ T1861]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  108.296201][ T1861]  ? copy_msghdr_from_user (net/socket.c:2603)
[  108.296392][ T1861]  __sys_sendmsg (net/socket.c:2784)
[  108.296580][ T1861]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  108.296760][ T1861]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  108.296993][ T1861]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.297173][ T1861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.297355][ T1861]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  108.297539][ T1861]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  108.297719][ T1861]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  108.297912][ T1861]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.298131][ T1861] RIP: 0033:0x7f766c8c208e
[  108.298319][ T1861] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  108.298841][ T1861] RSP: 002b:00007ffc16e7e430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.299110][ T1861] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f766c8c208e
[  108.299353][ T1861] RDX: 0000000000000000 RSI: 00007ffc16e7e4e0 RDI: 0000000000000005
[  108.299606][ T1861] RBP: 00007ffc16e7e440 R08: 0000000000000000 R09: 0000000000000000
[  108.299848][ T1861] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  108.300114][ T1861] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc16e7ebb0
| [  108.344890][   T46] ------------[ cut here ]------------
| [  108.345018][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [  108.345263][   T46] Modules linked in:
| [  108.345628][   T46] Tainted: [W]=WARN
[  108.345718][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.345876][   T46] Workqueue: events_unbound linkwatch_event
[  108.346037][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.346192][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.346623][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[  108.346772][   T46] RAX: 00000000ffffffa6 RBX: ff1100000a9a6740 RCX: 1ff4000000065f02
[  108.346961][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9a67fc
[  108.347144][   T46] RBP: ff1100000f3fc000 R08: 1fe2200001534d01 R09: ff110000024a0ba8
[  108.347322][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  108.347500][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  108.347683][   T46] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  108.347901][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.348066][   T46] CR2: 00007f766c755574 CR3: 000000000f376001 CR4: 0000000000771ef0
[  108.348244][   T46] PKRU: 55555554
[  108.348333][   T46] Call Trace:
[  108.348423][   T46]  <TASK>
[  108.348485][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.348609][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[  108.348734][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.348826][   T46]  netif_state_change (net/core/dev.c:1605)
[  108.348954][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  108.349108][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  108.349226][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  108.349349][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.349472][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  108.349598][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  108.349722][   T46]  process_one_work (kernel/workqueue.c:3314)
[  108.349845][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  108.349967][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.350095][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  108.350217][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  108.350336][   T46]  kthread (kernel/kthread.c:436)
[  108.350430][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.350583][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.350701][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[  108.350822][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  108.350977][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  108.351101][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  108.351226][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  108.451166][ T1866] ------------[ cut here ]------------
| [  108.451349][ T1866] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1866
| [  108.451662][ T1866] Modules linked in:
| [  108.452575][ T1866] Tainted: [W]=WARN
[  108.452719][ T1866] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.452946][ T1866] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.453168][ T1866] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.453687][ T1866] RSP: 0018:ffa00000055b71b0 EFLAGS: 00010286
[  108.453913][ T1866] RAX: 00000000ffffffa6 RBX: ff110000100dc3c0 RCX: 1ff4000000ab6dfc
[  108.454164][ T1866] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100dc47c
[  108.454408][ T1866] RBP: ff11000012d21000 R08: 1fe220000201b891 R09: ff11000009c98b80
[  108.454657][ T1866] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  108.454911][ T1866] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87408da0
[  108.455161][ T1866] FS:  00007f9e14411840(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  108.455437][ T1866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.455655][ T1866] CR2: 00000000004a2860 CR3: 000000000a88d004 CR4: 0000000000771ef0
[  108.455925][ T1866] PKRU: 55555554
[  108.456079][ T1866] Call Trace:
[  108.456224][ T1866]  <TASK>
[  108.456340][ T1866]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.456526][ T1866]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.456677][ T1866]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.456856][ T1866]  __dev_notify_flags (net/core/dev.c:9787)
[  108.457060][ T1866]  ? netif_change_name (net/core/dev.c:1495)
[  108.457238][ T1866]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.457416][ T1866]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.457604][ T1866]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.457781][ T1866]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.457975][ T1866]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  108.458165][ T1866]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  108.458344][ T1866]  ? vrf_newlink (drivers/net/vrf.c:1678)
[  108.458527][ T1866]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  108.458710][ T1866]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  108.458901][ T1866]  ? __dev_get_by_name (net/core/dev.c:883)
[  108.459087][ T1866]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  108.459277][ T1866]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  108.459462][ T1866]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  108.459653][ T1866]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.459830][ T1866]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.460025][ T1866]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.460206][ T1866]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  108.460383][ T1866]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.460573][ T1866]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.460753][ T1866]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.460946][ T1866]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  108.461129][ T1866]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.461306][ T1866]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.461483][ T1866]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.461668][ T1866]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.461845][ T1866]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.462046][ T1866]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  108.462231][ T1866]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.462411][ T1866]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.462600][ T1866]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.462776][ T1866]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.462971][ T1866]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.463160][ T1866]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.463337][ T1866]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.463521][ T1866]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  108.463707][ T1866]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  108.463900][ T1866]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  108.464091][ T1866]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  108.464272][ T1866]  ? copy_msghdr_from_user (net/socket.c:2635)
[  108.464451][ T1866]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  108.464667][ T1866]  ? move_addr_to_kernel (net/socket.c:258)
[  108.464851][ T1866]  ___sys_sendmsg (net/socket.c:2752)
[  108.465056][ T1866]  ? copy_msghdr_from_user (net/socket.c:2603)
[  108.465241][ T1866]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.465456][ T1866]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[  108.465646][ T1866]  __sys_sendmsg (net/socket.c:2784)
[  108.465825][ T1866]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  108.466028][ T1866]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.466210][ T1866]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  108.466392][ T1866]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  108.466582][ T1866]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  108.466761][ T1866]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.466990][ T1866] RIP: 0033:0x7f9e1464b08e
[  108.467175][ T1866] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  108.467695][ T1866] RSP: 002b:00007ffd43ff7c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.467950][ T1866] RAX: ffffffffffffffda RBX: 00007ffd43ff8408 RCX: 00007f9e1464b08e
[  108.468199][ T1866] RDX: 0000000000000000 RSI: 00007ffd43ff7d10 RDI: 0000000000000005
[  108.468439][ T1866] RBP: 00007ffd43ff7c70 R08: 0000000000000000 R09: 0000000000000000
[  108.468689][ T1866] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  108.468944][ T1866] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd43ff83e0
| [  108.503395][ T1867] ------------[ cut here ]------------
| [  108.503546][ T1867] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1867
| [  108.503802][ T1867] Modules linked in:
| [  108.504176][ T1867] Tainted: [W]=WARN
[  108.504273][ T1867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.504434][ T1867] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.504603][ T1867] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.505074][ T1867] RSP: 0018:ffa00000055c7020 EFLAGS: 00010286
[  108.505235][ T1867] RAX: 00000000ffffffa6 RBX: ff110000100dd000 RCX: 1ff4000000ab8dca
[  108.505425][ T1867] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100dd0bc
[  108.505617][ T1867] RBP: ff11000012d21000 R08: 1fe220000201ba19 R09: ff1100000dcf2e58
[  108.505806][ T1867] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  108.506007][ T1867] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  108.506199][ T1867] FS:  00007ff0158f4840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  108.506423][ T1867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.506585][ T1867] CR2: 0000000001b3c988 CR3: 0000000012b3f005 CR4: 0000000000771ef0
[  108.506777][ T1867] PKRU: 55555554
[  108.506878][ T1867] Call Trace:
[  108.506974][ T1867]  <TASK>
[  108.507047][ T1867]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  108.507176][ T1867]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  108.507274][ T1867]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  108.507402][ T1867]  __dev_notify_flags (net/core/dev.c:9787)
[  108.507536][ T1867]  ? netif_change_name (net/core/dev.c:1495)
[  108.507664][ T1867]  ? __dev_change_flags (net/core/dev.c:9752)
[  108.507793][ T1867]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  108.508521][ T1867]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.508652][ T1867]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[  108.508785][ T1867]  netif_change_flags (net/core/dev.c:9820)
[  108.508993][ T1867]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  108.509123][ T1867]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  108.509253][ T1867]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  108.509382][ T1867]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  108.509544][ T1867]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.509672][ T1867]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.509800][ T1867]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  108.510034][ T1867]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.510164][ T1867]  ? __kernel_text_address (kernel/extable.c:79)
[  108.510292][ T1867]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.510421][ T1867]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.510550][ T1867]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.510678][ T1867]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.510809][ T1867]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  108.510996][ T1867]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.511124][ T1867]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.511251][ T1867]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  108.511379][ T1867]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  108.511510][ T1867]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  108.511638][ T1867]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.511768][ T1867]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  108.511916][ T1867]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  108.512051][ T1867]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  108.512180][ T1867]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.512308][ T1867]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.512435][ T1867]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.512566][ T1867]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  108.512694][ T1867]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.512824][ T1867]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.512958][ T1867]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.513091][ T1867]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.513222][ T1867]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.513351][ T1867]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.513480][ T1867]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  108.513611][ T1867]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.513739][ T1867]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.513873][ T1867]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.514008][ T1867]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.514135][ T1867]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.514264][ T1867]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  108.514392][ T1867]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.514522][ T1867]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.514654][ T1867]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.514782][ T1867]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.514918][ T1867]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.515054][ T1867]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.515182][ T1867]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.515311][ T1867]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  108.515441][ T1867]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  108.515574][ T1867]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  108.515704][ T1867]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  108.515833][ T1867]  ? copy_msghdr_from_user (net/socket.c:2635)
[  108.515969][ T1867]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  108.516131][ T1867]  ? move_addr_to_kernel (net/socket.c:258)
[  108.516260][ T1867]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.516390][ T1867]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.516521][ T1867]  ___sys_sendmsg (net/socket.c:2752)
[  108.516649][ T1867]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  108.516810][ T1867]  ? copy_msghdr_from_user (net/socket.c:2603)
[  108.516956][ T1867]  __sys_sendmsg (net/socket.c:2784)
[  108.517090][ T1867]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  108.517218][ T1867]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  108.517380][ T1867]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.517513][ T1867]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.517643][ T1867]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  108.517771][ T1867]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  108.517906][ T1867]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  108.518040][ T1867]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.518200][ T1867] RIP: 0033:0x7ff015b2e08e
[  108.518335][ T1867] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  108.518798][ T1867] RSP: 002b:00007ffcda0b5530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.519002][ T1867] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff015b2e08e
[  108.519194][ T1867] RDX: 0000000000000000 RSI: 00007ffcda0b55e0 RDI: 0000000000000005
[  108.519385][ T1867] RBP: 00007ffcda0b5540 R08: 0000000000000000 R09: 0000000000000000
[  108.519580][ T1867] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  108.519771][ T1867] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcda0b5cb0
| [  108.663620][ T1872] ------------[ cut here ]------------
| [  108.663770][ T1872] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1872
| [  108.664034][ T1872] Modules linked in:
| [  108.664394][ T1872] Tainted: [W]=WARN
[  108.664490][ T1872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.664651][ T1872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  108.664816][ T1872] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  108.665278][ T1872] RSP: 0018:ffa0000005617060 EFLAGS: 00010286
[  108.665438][ T1872] RAX: 00000000ffffffa6 RBX: ff1100000f1b6c80 RCX: 1ff4000000ac2dd2
[  108.665629][ T1872] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1b6d3c
[  108.665819][ T1872] RBP: ff1100000ed01000 R08: 1fe2200001e36da9 R09: ff11000010270b58
[  108.666018][ T1872] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  108.666207][ T1872] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  108.666397][ T1872] FS:  00007ff5fc537840(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  108.666621][ T1872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.666783][ T1872] CR2: 0000000027114988 CR3: 000000000c2df006 CR4: 0000000000771ef0
[  108.666989][ T1872] PKRU: 55555554
[  108.667085][ T1872] Call Trace:
[  108.667181][ T1872]  <TASK>
[  108.667246][ T1872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.667375][ T1872]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  108.667502][ T1872]  notifier_call_chain (kernel/notifier.c:85)
[  108.667637][ T1872]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[  108.667765][ T1872]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[  108.667897][ T1872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.668030][ T1872]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  108.668157][ T1872]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[  108.668287][ T1872]  do_setlink.isra.0 (net/core/rtnetlink.c:3169 (discriminator 1))
[  108.668415][ T1872]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  108.668547][ T1872]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  108.668708][ T1872]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.668836][ T1872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.668974][ T1872]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  108.669106][ T1872]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.669234][ T1872]  ? __kernel_text_address (kernel/extable.c:79)
[  108.669361][ T1872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.669491][ T1872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.669621][ T1872]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.669749][ T1872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.669881][ T1872]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  108.670012][ T1872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.670138][ T1872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.670265][ T1872]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  108.670393][ T1872]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  108.670521][ T1872]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  108.670647][ T1872]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  108.670775][ T1872]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  108.670908][ T1872]  ? nla_get_range_signed (lib/nlattr.c:270)
[  108.671044][ T1872]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  108.671173][ T1872]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  108.671302][ T1872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.671427][ T1872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.671556][ T1872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.671683][ T1872]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  108.671809][ T1872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.671943][ T1872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.672075][ T1872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.672200][ T1872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.672327][ T1872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  108.672455][ T1872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  108.672586][ T1872]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  108.672712][ T1872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.672839][ T1872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.672970][ T1872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.673104][ T1872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  108.673229][ T1872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  108.673358][ T1872]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  108.673484][ T1872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.673614][ T1872]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.673744][ T1872]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  108.673876][ T1872]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  108.674013][ T1872]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.674140][ T1872]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.674268][ T1872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  108.674395][ T1872]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  108.674525][ T1872]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  108.674654][ T1872]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  108.674783][ T1872]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  108.674915][ T1872]  ? copy_msghdr_from_user (net/socket.c:2635)
[  108.675048][ T1872]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  108.675205][ T1872]  ? move_addr_to_kernel (net/socket.c:258)
[  108.675333][ T1872]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.675459][ T1872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  108.675590][ T1872]  ___sys_sendmsg (net/socket.c:2752)
[  108.675716][ T1872]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  108.675878][ T1872]  ? copy_msghdr_from_user (net/socket.c:2603)
[  108.676025][ T1872]  __sys_sendmsg (net/socket.c:2784)
[  108.676155][ T1872]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  108.676282][ T1872]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  108.676443][ T1872]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.676575][ T1872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  108.676705][ T1872]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  108.676832][ T1872]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  108.676966][ T1872]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  108.677100][ T1872]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.677258][ T1872] RIP: 0033:0x7ff5fc77108e
[  108.677392][ T1872] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  108.677850][ T1872] RSP: 002b:00007ffdb13f4150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.678056][ T1872] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff5fc77108e
[  108.678246][ T1872] RDX: 0000000000000000 RSI: 00007ffdb13f4200 RDI: 0000000000000005
[  108.678438][ T1872] RBP: 00007ffdb13f4160 R08: 0000000000000000 R09: 0000000000000000
[  108.678630][ T1872] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd58
[  108.678822][ T1872] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb13f48d0
| [  110.408439][   T12] ------------[ cut here ]------------
| [  110.408610][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.408927][   T12] Modules linked in:
| [  110.409425][   T12] Tainted: [W]=WARN
[  110.409568][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.409774][   T12] Workqueue: netns cleanup_net
[  110.409974][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.410197][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.410696][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  110.410918][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc263c0 RCX: 1ff4000000018ebc
[  110.411163][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc2647c
[  110.411402][   T12] RBP: ff11000012a0c000 R08: 1fe2200001b84c91 R09: ff11000001aed1d0
[  110.411644][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  110.411893][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.412143][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.412430][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.412646][   T12] CR2: 00007fa7c80fbc20 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.412902][   T12] PKRU: 55555554
[  110.413059][   T12] Call Trace:
[  110.413203][   T12]  <TASK>
[  110.413317][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.413495][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.413640][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  110.413815][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  110.414012][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  110.414190][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  110.414369][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.414549][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  110.414725][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.414916][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  110.415108][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  110.415286][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  110.415465][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  110.415643][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  110.415820][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  110.415978][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.416161][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  110.416342][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.416520][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.416714][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.416905][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.417093][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.417275][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.417454][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.417633][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.417815][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.418014][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.418194][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.418370][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.418550][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.418732][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.418918][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.419103][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.419285][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.419464][   T12]  kthread (kernel/kthread.c:436)
[  110.419610][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.419818][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.420015][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.420196][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.420403][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.420583][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.420766][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.423724][   T12] ------------[ cut here ]------------
| [  110.424000][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.424349][   T12] Modules linked in:
| [  110.424919][   T12] Tainted: [W]=WARN
[  110.425066][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.425269][   T12] Workqueue: netns cleanup_net
[  110.425447][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.425657][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.426169][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  110.426372][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb683c0 RCX: 1ff4000000018ec0
[  110.426607][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6847c
[  110.426840][   T12] RBP: ff11000012a0c000 R08: 1fe220000196d091 R09: ff11000001aed1d0
[  110.427258][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  110.427491][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  110.427729][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.428096][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.428385][   T12] CR2: 00007fa7c80fbc20 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.428622][   T12] PKRU: 55555554
[  110.428761][   T12] Call Trace:
[  110.428914][   T12]  <TASK>
[  110.429032][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.429212][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  110.429467][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  110.429645][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  110.429819][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  110.430047][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[  110.430301][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.430478][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  110.430739][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  110.430957][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[  110.431140][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.431315][   T12]  del_nbp (net/bridge/br_if.c:363)
[  110.431542][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.431716][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.431904][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.432091][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.432349][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.432523][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.432699][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.432887][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.433154][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.433356][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.433533][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.433709][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.433979][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.434167][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.434342][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.434519][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.434779][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.434969][   T12]  kthread (kernel/kthread.c:436)
[  110.435217][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.435433][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.435606][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.435783][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.436108][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.436284][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.436461][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.439462][   T12] ------------[ cut here ]------------
| [  110.439668][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  110.439929][   T12] Modules linked in:
| [  110.440323][   T12] Tainted: [W]=WARN
[  110.440422][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.440582][   T12] Workqueue: netns cleanup_net
[  110.440713][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.440891][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.441357][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  110.441517][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb68580 RCX: 1ff4000000018ebc
[  110.441709][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6863c
[  110.441908][   T12] RBP: ff1100000a3dc000 R08: 1fe220000196d0c9 R09: ff11000001aed1d0
[  110.442104][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000100
[  110.442297][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.442489][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  110.442714][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.442882][   T12] CR2: 000055dfefeca218 CR3: 0000000068f4d001 CR4: 0000000000771ef0
[  110.443095][   T12] PKRU: 55555554
[  110.443191][   T12] Call Trace:
[  110.443372][   T12]  <TASK>
[  110.443440][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.443571][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.443669][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  110.443801][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  110.444029][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  110.444161][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  110.444291][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.444418][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  110.444631][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.444761][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  110.444896][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  110.445032][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  110.445247][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  110.445375][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  110.445504][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  110.445600][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.445810][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  110.445975][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.446108][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.446237][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.446368][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.446496][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.446623][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.446751][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.446885][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.447020][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.447147][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.447279][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.447491][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.447622][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.447754][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.447889][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.448027][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.448160][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.448289][   T12]  kthread (kernel/kthread.c:436)
[  110.448388][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.448548][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.448677][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.448806][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.449062][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.449193][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.449322][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.452440][   T12] ------------[ cut here ]------------
| [  110.452576][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.452828][   T12] Modules linked in:
| [  110.454262][   T12] Tainted: [W]=WARN
[  110.454360][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.454524][   T12] Workqueue: netns cleanup_net
[  110.454654][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.454817][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.455366][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  110.455530][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c0858c0 RCX: 1ff4000000018ec0
[  110.455720][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c08597c
[  110.456078][   T12] RBP: ff1100000a3dc000 R08: 1fe2200001810b31 R09: ff11000001aed1d0
[  110.456267][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  110.456458][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  110.456648][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.456970][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.457134][   T12] CR2: 00007f3fa4afd000 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  110.457324][   T12] PKRU: 55555554
[  110.457420][   T12] Call Trace:
[  110.457515][   T12]  <TASK>
[  110.457581][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.457708][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  110.457836][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  110.458074][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  110.458203][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  110.458363][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.458492][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.458619][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  110.458746][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  110.459005][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[  110.459132][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.459265][   T12]  del_nbp (net/bridge/br_if.c:363)
[  110.459364][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.459493][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.459622][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.459751][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.459973][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.460104][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.460230][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.460357][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.460486][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.460613][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.460742][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.460926][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.461060][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.461193][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.461321][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.461455][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.461588][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.461716][   T12]  kthread (kernel/kthread.c:436)
[  110.461812][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.462065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.462193][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.462322][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.462482][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.462610][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.462737][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.465168][   T12] ------------[ cut here ]------------
| [  110.465292][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.465533][   T12] Modules linked in:
| [  110.466123][   T12] Tainted: [W]=WARN
[  110.466218][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.466371][   T12] Workqueue: netns cleanup_net
[  110.466497][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.466656][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.467103][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  110.467261][   T12] RAX: 00000000ffffffa6 RBX: ff11000009454ac0 RCX: 1ff4000000018ec7
[  110.467444][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009454b7c
[  110.467627][   T12] RBP: ff1100001006a000 R08: 1fe220000128a971 R09: ff11000001aed1d0
[  110.467810][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  110.468088][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[  110.468273][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.468488][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.468641][   T12] CR2: 00007f3fa4afd000 CR3: 0000000068f4d003 CR4: 0000000000771ef0
[  110.468826][   T12] PKRU: 55555554
[  110.468924][   T12] Call Trace:
[  110.469020][   T12]  <TASK>
[  110.469084][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.469213][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.469306][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.469428][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.469553][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.469706][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.469863][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.469999][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.470150][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.470273][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.470405][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.470528][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.470649][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.470773][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.470903][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.471031][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.471153][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.471276][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.471398][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.471521][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.471643][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.471766][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.471896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.472029][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.472154][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.472274][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.472401][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.472527][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.472649][   T12]  kthread (kernel/kthread.c:436)
[  110.472740][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.472906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.473034][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.473156][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.473307][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.473430][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.473553][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.477071][   T12] ------------[ cut here ]------------
| [  110.477203][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  110.477432][   T12] Modules linked in:
| [  110.477789][   T12] Tainted: [W]=WARN
[  110.478492][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.478712][   T12] Workqueue: netns cleanup_net
[  110.478914][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.479076][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.479495][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.479641][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc26900 RCX: 1ff4000000018eed
[  110.479816][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc269bc
[  110.480066][   T12] RBP: ff1100000ffe4000 R08: 1fe2200001b84d39 R09: ff11000001aed1d0
[  110.480240][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  110.480414][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.480587][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  110.480790][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.481096][   T12] CR2: 00007f67cc185668 CR3: 0000000068f4d004 CR4: 0000000000771ef0
[  110.481277][   T12] PKRU: 55555554
[  110.481363][   T12] Call Trace:
[  110.481449][   T12]  <TASK>
[  110.481511][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.481660][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.481804][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.482014][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.482138][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.482256][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.482374][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.482493][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.482613][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.482728][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.482844][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.483053][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.483176][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.483291][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.483409][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.483524][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.483641][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.483765][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.483968][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.484092][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.484212][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.484328][   T12]  kthread (kernel/kthread.c:436)
[  110.484416][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.484560][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.484681][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.484796][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.485034][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.485149][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.485265][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.487808][   T12] ------------[ cut here ]------------
| [  110.487980][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.488288][   T12] Modules linked in:
| [  110.488734][   T12] Tainted: [W]=WARN
[  110.488882][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.489110][   T12] Workqueue: netns cleanup_net
[  110.489308][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.489506][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.489985][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.490189][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c9b2580 RCX: 1ff4000000018eed
[  110.490438][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9b263c
[  110.490659][   T12] RBP: ff110000100d4000 R08: 1fe22000019364c9 R09: ff11000001aed1d0
[  110.490893][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.491122][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.491343][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.491592][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.491787][   T12] CR2: 000056322888b2b8 CR3: 0000000012be6005 CR4: 0000000000771ef0
[  110.492030][   T12] PKRU: 55555554
[  110.492164][   T12] Call Trace:
[  110.492297][   T12]  <TASK>
[  110.492404][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.492601][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.492792][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.492975][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.493148][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.493310][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.493478][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.493644][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.493807][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.493982][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.494158][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.494331][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.494495][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.494657][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.494821][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.495006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.495173][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.495341][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.495508][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.495677][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.495844][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.496090][   T12]  kthread (kernel/kthread.c:436)
[  110.496264][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.496458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.496622][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.496790][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.497008][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.497172][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.497337][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.499957][   T12] ------------[ cut here ]------------
| [  110.500124][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.500402][   T12] Modules linked in:
| [  110.501021][   T12] Tainted: [W]=WARN
[  110.501166][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.501359][   T12] Workqueue: netns cleanup_net
[  110.501525][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.501724][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.502207][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.502402][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c9b2c80 RCX: 1ff4000000018eed
[  110.502621][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9b2d3c
[  110.502841][   T12] RBP: ff11000012abc000 R08: 1fe22000019365a9 R09: ff11000001aed1d0
[  110.503085][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.503307][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.503532][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.503782][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.503996][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.504224][   T12] PKRU: 55555554
[  110.504357][   T12] Call Trace:
[  110.504491][   T12]  <TASK>
[  110.504598][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.504795][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.505008][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.505175][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.505340][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.505518][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.505687][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.505852][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.506038][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.506201][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.506366][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.506531][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.506699][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.506862][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.507048][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.507212][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.507379][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.507547][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.507710][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.507890][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.508066][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.508231][   T12]  kthread (kernel/kthread.c:436)
[  110.508367][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.508557][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.508721][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.508897][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.509095][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.509260][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.509425][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.512169][   T12] ------------[ cut here ]------------
| [  110.512332][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.512674][   T12] Modules linked in:
| [  110.514003][   T12] Tainted: [W]=WARN
[  110.514186][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.514425][   T12] Workqueue: netns cleanup_net
[  110.514641][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.514901][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.515422][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.515660][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c9b3000 RCX: 1ff4000000018eed
[  110.515936][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9b30bc
[  110.516211][   T12] RBP: ff11000009889000 R08: 1fe2200001936619 R09: ff11000001aed1d0
[  110.516475][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.516740][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.517029][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.517326][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.517562][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.517827][   T12] PKRU: 55555554
[  110.518024][   T12] Call Trace:
[  110.518199][   T12]  <TASK>
[  110.518350][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.518596][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.518829][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.519058][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.519266][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.519471][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.519678][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.519928][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.520139][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.520348][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.520562][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.520805][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.521085][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.521345][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.521603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.521852][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.522126][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.522393][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.522645][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.522915][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.523140][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.523303][   T12]  kthread (kernel/kthread.c:436)
[  110.523441][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.523633][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.523798][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.523978][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.524189][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.524355][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.524522][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.526926][   T12] ------------[ cut here ]------------
| [  110.527089][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.527362][   T12] Modules linked in:
| [  110.527803][   T12] Tainted: [W]=WARN
[  110.528308][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.528544][   T12] Workqueue: netns cleanup_net
[  110.528760][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.529037][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.529541][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.529779][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c9b3380 RCX: 1ff4000000018eed
[  110.530061][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9b343c
[  110.530329][   T12] RBP: ff1100000a87c000 R08: 1fe2200001936689 R09: ff11000001aed1d0
[  110.530593][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.530858][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.531144][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.531437][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.531673][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.531951][   T12] PKRU: 55555554
[  110.532139][   T12] Call Trace:
[  110.532318][   T12]  <TASK>
[  110.532470][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.532712][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.532961][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.533175][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.533386][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.533592][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.533859][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.534221][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.534472][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.534724][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.534987][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.535157][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.535322][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.535484][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.535650][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.535814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.536001][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.536170][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.536333][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.536503][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.536672][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.536835][   T12]  kthread (kernel/kthread.c:436)
[  110.536985][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.537185][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.537350][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.537514][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.537705][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.537882][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.538057][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.542455][   T12] ------------[ cut here ]------------
| [  110.542618][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.542906][   T12] Modules linked in:
| [  110.543368][   T12] Tainted: [W]=WARN
[  110.543501][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.543691][   T12] Workqueue: netns cleanup_net
[  110.543863][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.544082][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.544539][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.544734][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1bd000 RCX: 1ff4000000018eed
[  110.545033][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bd0bc
[  110.545301][   T12] RBP: ff1100001006a000 R08: 1fe2200001e37a19 R09: ff11000001aed1d0
[  110.545564][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.545826][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.546117][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.546412][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.546650][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.546930][   T12] PKRU: 55555554
[  110.547123][   T12] Call Trace:
[  110.547303][   T12]  <TASK>
[  110.547457][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.547699][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.547948][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.548168][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.548379][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.548586][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.548808][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.549048][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.549258][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.549466][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.549674][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.549899][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.550110][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.550318][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.550532][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.550739][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.550963][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.551183][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.551390][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.551603][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.551814][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.552042][   T12]  kthread (kernel/kthread.c:436)
[  110.552228][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.552501][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.552761][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.553022][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.553215][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.553381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.553548][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.569114][   T12] ------------[ cut here ]------------
| [  110.569283][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.569573][   T12] Modules linked in:
| [  110.570427][   T12] Tainted: [W]=WARN
[  110.570565][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.570767][   T12] Workqueue: netns cleanup_net
[  110.570959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.571184][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.571666][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  110.571884][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1bce40 RCX: 1ff4000000018eaf
[  110.572120][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bcefc
[  110.572350][   T12] RBP: ff11000012a0c000 R08: 1fe2200001e379e1 R09: ff11000001aed1d0
[  110.572578][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  110.572807][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093a4000
[  110.573062][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.573323][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.573526][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.573759][   T12] PKRU: 55555554
[  110.573911][   T12] Call Trace:
[  110.574087][   T12]  <TASK>
[  110.574198][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.574371][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.574514][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.574685][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.574854][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.575044][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.575214][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.575386][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.575586][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.575818][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.576010][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.576209][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.576383][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.576582][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.576783][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.576970][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.577150][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.577321][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.577494][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.577668][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.577839][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.578030][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.578200][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.578370][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.578542][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.578715][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.578899][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.579082][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.579253][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.579426][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.579600][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.579770][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.579953][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.580133][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.580307][   T12]  kthread (kernel/kthread.c:436)
[  110.580447][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.580645][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.580815][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.581007][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.581207][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.581377][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.581550][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.583972][   T12] ------------[ cut here ]------------
| [  110.584143][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.584431][   T12] Modules linked in:
| [  110.585410][   T12] Tainted: [W]=WARN
[  110.585599][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.585848][   T12] Workqueue: netns cleanup_net
[  110.586121][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.586384][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.586957][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  110.587231][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d52f540 RCX: 1ff4000000018eaf
[  110.587522][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52f5fc
[  110.587826][   T12] RBP: ff110000093a4000 R08: 1fe2200001aa5ec1 R09: ff11000001aed1d0
[  110.588118][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  110.588422][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3dc000
[  110.588699][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.589028][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.589275][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.589555][   T12] PKRU: 55555554
[  110.589740][   T12] Call Trace:
[  110.589938][   T12]  <TASK>
[  110.590095][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.590267][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  110.590438][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.590582][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.590753][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.590935][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.591116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.591287][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.591458][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.591663][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.591882][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.592061][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.592263][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.592435][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.592605][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.592806][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.592999][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.593171][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.593342][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.593514][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.593702][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.593890][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.594069][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.594241][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.594413][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.594586][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.594761][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.594971][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.595151][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.595326][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.595501][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.595689][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.595860][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.596057][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.596237][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.596440][   T12]  kthread (kernel/kthread.c:436)
[  110.596609][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.596810][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.597006][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.597180][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.597386][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.597558][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.597760][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.601908][   T12] ------------[ cut here ]------------
| [  110.602082][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.602370][   T12] Modules linked in:
| [  110.602832][   T12] Tainted: [W]=WARN
[  110.602984][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.603194][   T12] Workqueue: netns cleanup_net
[  110.603370][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.603586][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.604087][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  110.604293][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8cf380 RCX: 1ff4000000018eaf
[  110.604522][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8cf43c
[  110.604751][   T12] RBP: ff1100000a3dc000 R08: 1fe2200001519e89 R09: ff11000001aed1d0
[  110.605055][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  110.605337][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012661000
[  110.605617][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.605940][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.606200][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.606484][   T12] PKRU: 55555554
[  110.606672][   T12] Call Trace:
[  110.606861][   T12]  <TASK>
[  110.607088][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.607320][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  110.607539][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.607728][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.607959][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.608185][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.608409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.608632][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.608850][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.609123][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.609373][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.609592][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.609843][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.610083][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.610304][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.610554][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.610778][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.611019][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.611240][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.611461][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.611682][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.611916][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.612144][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.612361][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.612580][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.612799][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.613036][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.613307][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.613620][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.613927][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.614102][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.614280][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.614450][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.614625][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.614804][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.614996][   T12]  kthread (kernel/kthread.c:436)
[  110.615138][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.615340][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.615510][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.615681][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.615893][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.616078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.616249][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.618669][   T12] ------------[ cut here ]------------
| [  110.618844][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.619163][   T12] Modules linked in:
| [  110.619633][   T12] Tainted: [W]=WARN
[  110.619773][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.620145][   T12] Workqueue: netns cleanup_net
[  110.620435][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.620667][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.621169][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  110.621383][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c084ac0 RCX: 1ff4000000018eaf
[  110.621611][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c084b7c
[  110.621842][   T12] RBP: ff11000012661000 R08: 1fe2200001810971 R09: ff11000001aed1d0
[  110.622090][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  110.622322][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a86c000
[  110.622555][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.622817][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.623038][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.623270][   T12] PKRU: 55555554
[  110.623411][   T12] Call Trace:
[  110.623550][   T12]  <TASK>
[  110.623659][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.623830][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  110.624020][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.624162][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.624334][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.624503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.624689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.624861][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.625054][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.625269][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.625472][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.625642][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.625842][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.626040][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.626211][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.626445][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.626618][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.626791][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.627013][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.627184][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.627359][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.627533][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.627703][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.627887][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.628066][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.628240][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.628414][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.628586][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.628777][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.628963][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.629144][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.629320][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.629492][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.629697][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.629888][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.630066][   T12]  kthread (kernel/kthread.c:436)
[  110.630206][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.630408][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.630579][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.630750][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.630967][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.631145][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.631316][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.634512][   T12] ------------[ cut here ]------------
| [  110.634681][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.635196][   T12] Modules linked in:
| [  110.635764][   T12] Tainted: [W]=WARN
[  110.635968][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.636222][   T12] Workqueue: netns cleanup_net
[  110.636447][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.636704][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.637256][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  110.637506][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bb25380 RCX: 1ff4000000018eaf
[  110.637783][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb2543c
[  110.638079][   T12] RBP: ff1100000a86c000 R08: 1fe2200001764a89 R09: ff11000001aed1d0
[  110.638356][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  110.638634][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  110.638926][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.639245][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.639493][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.639775][   T12] PKRU: 55555554
[  110.639974][   T12] Call Trace:
[  110.640168][   T12]  <TASK>
[  110.640326][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.640544][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  110.640802][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.641028][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.641281][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.641499][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.641715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.641946][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.642177][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.642430][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.642678][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.642910][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.643171][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.643391][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.643630][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.643910][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.644161][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.644365][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.644534][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.644708][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.644892][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.645068][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.645236][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.645404][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.645574][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.645745][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.645930][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.646109][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.646279][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.646448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.646620][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.646793][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.646975][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.647157][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.647335][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.647504][   T12]  kthread (kernel/kthread.c:436)
[  110.647643][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.647843][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.648034][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.648205][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.648404][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.648578][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.648749][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.651268][   T12] ------------[ cut here ]------------
| [  110.651429][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.651711][   T12] Modules linked in:
| [  110.652680][   T12] Tainted: [W]=WARN
[  110.652862][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.653172][   T12] Workqueue: netns cleanup_net
[  110.653389][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.653637][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.654170][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  110.654413][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bb24200 RCX: 1ff4000000018ed5
[  110.654679][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb242bc
[  110.654958][   T12] RBP: ff11000012a0c000 R08: 1fe2200001764859 R09: ff11000001aed1d0
[  110.655229][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.655497][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.655775][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.656093][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.656347][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.656618][   T12] PKRU: 55555554
[  110.656799][   T12] Call Trace:
[  110.657001][   T12]  <TASK>
[  110.657155][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.657400][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.657639][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.657850][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.658082][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.658330][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.658597][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.658890][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.659203][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.659404][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.659571][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.659737][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.659916][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.660093][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.660261][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.660427][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.660591][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.660758][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.660938][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.661117][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.661288][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.661456][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.661628][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.661798][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.661976][   T12]  kthread (kernel/kthread.c:436)
[  110.662121][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.662314][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.662481][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.662648][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.662843][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.663031][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.663199][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.666051][   T12] ------------[ cut here ]------------
| [  110.666219][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.666501][   T12] Modules linked in:
| [  110.667076][   T12] Tainted: [W]=WARN
[  110.667291][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.667533][   T12] Workqueue: netns cleanup_net
[  110.667749][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.668021][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.668537][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  110.668779][   T12] RAX: 00000000ffffffa6 RBX: ff110000126bfc40 RCX: 1ff4000000018ed5
[  110.669068][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126bfcfc
[  110.669347][   T12] RBP: ff110000093a4000 R08: 1fe22000024d7fa1 R09: ff11000001aed1d0
[  110.669613][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.669896][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.670171][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.670471][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.670712][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.671001][   T12] PKRU: 55555554
[  110.671179][   T12] Call Trace:
[  110.671358][   T12]  <TASK>
[  110.671514][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.671761][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.672024][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.672236][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.672446][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.672691][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.672919][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.673140][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.673354][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.673566][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.673779][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.674011][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.674221][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.674433][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.674648][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.674860][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.675134][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.675349][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.675558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.675797][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.676036][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.676201][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.676371][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.676542][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.676707][   T12]  kthread (kernel/kthread.c:436)
[  110.676845][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.677067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.677236][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.677403][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.677596][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.677763][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.677944][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.681841][   T12] ------------[ cut here ]------------
| [  110.682841][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.683234][   T12] Modules linked in:
| [  110.683782][   T12] Tainted: [W]=WARN
[  110.684025][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.684264][   T12] Workqueue: netns cleanup_net
[  110.684482][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.684731][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.685267][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  110.685509][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb69700 RCX: 1ff4000000018ed5
[  110.685780][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb697bc
[  110.686068][   T12] RBP: ff1100000a3dc000 R08: 1fe220000196d2f9 R09: ff11000001aed1d0
[  110.686337][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.686606][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.686897][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.687200][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.687442][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.687710][   T12] PKRU: 55555554
[  110.687906][   T12] Call Trace:
[  110.688094][   T12]  <TASK>
[  110.688249][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.688497][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.688734][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.688975][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.689196][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.689439][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.689652][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.689924][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.690154][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.690371][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.690584][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.690807][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.691059][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.691227][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.691397][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.691566][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.691734][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.691916][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.692092][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.692260][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.692431][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.692596][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.692774][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.692958][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.693155][   T12]  kthread (kernel/kthread.c:436)
[  110.693292][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.693487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.693654][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.693853][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.694072][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.694238][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.694405][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.697396][   T12] ------------[ cut here ]------------
| [  110.697556][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.697836][   T12] Modules linked in:
| [  110.698696][   T12] Tainted: [W]=WARN
[  110.698941][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.699240][   T12] Workqueue: netns cleanup_net
[  110.699538][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.699829][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.700388][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  110.700667][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ddc3700 RCX: 1ff4000000018ed5
[  110.700937][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddc37bc
[  110.701169][   T12] RBP: ff11000012661000 R08: 1fe2200001bb86f9 R09: ff11000001aed1d0
[  110.701390][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.701613][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.701837][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.702106][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.702303][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.702526][   T12] PKRU: 55555554
[  110.702660][   T12] Call Trace:
[  110.702795][   T12]  <TASK>
[  110.702917][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.703126][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.703324][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.703490][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.703655][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.703854][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.704040][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.704211][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.704380][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.704549][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.704719][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.704896][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.705066][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.705235][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.705403][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.705571][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.705736][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.705919][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.706094][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.706263][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.706434][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.706600][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.706770][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.706953][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.707126][   T12]  kthread (kernel/kthread.c:436)
[  110.707268][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.707463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.707629][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.707797][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.708011][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.708181][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.708350][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.711203][   T12] ------------[ cut here ]------------
| [  110.711366][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.711649][   T12] Modules linked in:
| [  110.712199][   T12] Tainted: [W]=WARN
[  110.712381][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.712625][   T12] Workqueue: netns cleanup_net
[  110.712848][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.713119][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.713634][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  110.713896][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bb258c0 RCX: 1ff4000000018ed5
[  110.714170][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb2597c
[  110.714477][   T12] RBP: ff1100000a86c000 R08: 1fe2200001764b31 R09: ff11000001aed1d0
[  110.714752][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.715042][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.715314][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.715611][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.715852][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.716144][   T12] PKRU: 55555554
[  110.716328][   T12] Call Trace:
[  110.716506][   T12]  <TASK>
[  110.716661][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.716924][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.717169][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.717382][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.717595][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  110.717843][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.718078][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.718294][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.718508][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.718718][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.718943][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.719168][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.719380][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.719623][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.719834][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.720063][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.720276][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.720490][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.720704][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.720930][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.721158][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.721371][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.721586][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.721827][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.722116][   T12]  kthread (kernel/kthread.c:436)
[  110.722358][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.722647][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.722919][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.723190][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.723486][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.723746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.724031][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.760024][   T12] ------------[ cut here ]------------
| [  110.760193][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.760497][   T12] Modules linked in:
| [  110.761002][   T12] Tainted: [W]=WARN
[  110.761146][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.761355][   T12] Workqueue: netns cleanup_net
[  110.761537][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.761750][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.762272][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  110.762480][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d637540 RCX: 1ff4000000018ebc
[  110.762720][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6375fc
[  110.762970][   T12] RBP: ff11000009599000 R08: 1fe2200001ac6ec1 R09: ff11000001aed1d0
[  110.763214][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  110.763452][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.763692][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.763980][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.764197][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.764440][   T12] PKRU: 55555554
[  110.764584][   T12] Call Trace:
[  110.764726][   T12]  <TASK>
[  110.764839][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.765037][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.765186][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  110.765363][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  110.765540][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  110.765716][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  110.765908][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.766092][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  110.766271][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.766448][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  110.766623][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  110.766798][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  110.767021][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  110.767199][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  110.767377][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  110.767522][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  110.767697][   T12]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  110.767887][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.768070][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.768249][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.768426][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.768600][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.768775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.768965][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.769150][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.769328][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.769501][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.769680][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.769855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.770083][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.770267][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.770444][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.770625][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.770806][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.771013][   T12]  kthread (kernel/kthread.c:436)
[  110.771190][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.771399][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.771576][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.771753][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.771978][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.772163][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.772341][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.775104][   T12] ------------[ cut here ]------------
| [  110.775275][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.775564][   T12] Modules linked in:
| [  110.776617][   T12] Tainted: [W]=WARN
[  110.776758][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.776975][   T12] Workqueue: netns cleanup_net
[  110.777173][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.777384][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.777890][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  110.778097][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceecac0 RCX: 1ff4000000018ec0
[  110.778329][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceecb7c
[  110.778561][   T12] RBP: ff11000009599000 R08: 1fe22000019dd971 R09: ff11000001aed1d0
[  110.778791][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  110.779043][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  110.779277][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.779542][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.779745][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.780000][   T12] PKRU: 55555554
[  110.780138][   T12] Call Trace:
[  110.780277][   T12]  <TASK>
[  110.780388][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.780560][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  110.780733][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  110.780921][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  110.781101][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  110.781308][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  110.781480][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  110.781681][   T12]  ? br_manage_promisc (net/bridge/br_if.c:174)
[  110.781853][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.782048][   T12]  del_nbp (net/bridge/br_if.c:363)
[  110.782193][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.782367][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.782540][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.782714][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.782898][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.783076][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.783251][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.783425][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.783600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.783773][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.783962][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.784141][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.784316][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.784492][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.784665][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.784842][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.785042][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.785218][   T12]  kthread (kernel/kthread.c:436)
[  110.785361][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.785564][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.785739][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.785926][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.786142][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.786318][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.786490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.788987][   T12] ------------[ cut here ]------------
| [  110.789161][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.789457][   T12] Modules linked in:
| [  110.790464][   T12] Tainted: [W]=WARN
[  110.790671][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.790940][   T12] Workqueue: netns cleanup_net
[  110.791183][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.791483][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.792059][   T12] RSP: 0018:ffa00000000c77b0 EFLAGS: 00010286
[  110.792321][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceed700 RCX: 1ff4000000018ebc
[  110.792611][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceed7bc
[  110.792912][   T12] RBP: ff1100000f3fc000 R08: 1fe22000019ddaf9 R09: ff11000001aed1d0
[  110.793213][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000100
[  110.793502][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.793794][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.794133][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.794392][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.794688][   T12] PKRU: 55555554
[  110.794895][   T12] Call Trace:
[  110.795099][   T12]  <TASK>
[  110.795267][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.795502][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.795698][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[  110.795937][   T12]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[  110.796176][   T12]  ? netdev_notice (net/core/dev.c:13008)
[  110.796406][   T12]  ? netif_change_name (net/core/dev.c:1495)
[  110.796634][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.796863][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  110.797150][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.797329][   T12]  __dev_set_promiscuity (net/core/dev.c:9630)
[  110.797506][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  110.797682][   T12]  netif_set_promiscuity (net/core/dev.c:9639)
[  110.797860][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  110.798060][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  110.798238][   T12]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[  110.798386][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.798561][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  110.798773][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.798963][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.799152][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.799332][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.799509][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.799684][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.799862][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.800065][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.800244][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.800418][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.800596][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.800773][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.800964][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.801156][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.801332][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.801512][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.801695][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.801884][   T12]  kthread (kernel/kthread.c:436)
[  110.802037][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.802248][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.802423][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.802600][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.802808][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.803005][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.803183][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.805775][   T12] ------------[ cut here ]------------
| [  110.805996][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.806289][   T12] Modules linked in:
| [  110.806761][   T12] Tainted: [W]=WARN
[  110.807024][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.807280][   T12] Workqueue: netns cleanup_net
[  110.807508][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.807782][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.808351][   T12] RSP: 0018:ffa00000000c77d0 EFLAGS: 00010286
[  110.808608][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a00740 RCX: 1ff4000000018ec0
[  110.808905][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a007fc
[  110.809197][   T12] RBP: ff1100000f3fc000 R08: 1fe2200001340101 R09: ff11000001aed1d0
[  110.809481][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  110.809768][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[  110.810069][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.810386][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.810645][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.810944][   T12] PKRU: 55555554
[  110.811144][   T12] Call Trace:
[  110.811345][   T12]  <TASK>
[  110.811505][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.811725][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[  110.811961][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  110.812198][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[  110.812427][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[  110.812683][   T12]  ? fdb_delete_local (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 net/bridge/br_fdb.c:365)
[  110.812920][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  110.813166][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[  110.813389][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[  110.813640][   T12]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[  110.813861][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.814180][   T12]  del_nbp (net/bridge/br_if.c:363)
[  110.814375][   T12]  br_dev_delete (net/bridge/br_if.c:386)
[  110.814636][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.814893][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:248)
[  110.815173][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.815448][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.815728][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.815980][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.816160][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.816334][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.816504][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.816678][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.816851][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.817045][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.817226][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.817398][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.817575][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.817782][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.817968][   T12]  kthread (kernel/kthread.c:436)
[  110.818118][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.818321][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.818498][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.818671][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.818888][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.819069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.819244][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.822180][   T12] ------------[ cut here ]------------
| [  110.822347][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.822648][   T12] Modules linked in:
| [  110.823604][   T12] Tainted: [W]=WARN
[  110.823804][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.824088][   T12] Workqueue: netns cleanup_net
[  110.824321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.824573][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.825210][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[  110.825467][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a01000 RCX: 1ff4000000018ec7
[  110.825739][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a010bc
[  110.826042][   T12] RBP: ff1100001286a000 R08: 1fe2200001340219 R09: ff11000001aed1d0
[  110.826317][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  110.826622][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[  110.826908][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.827220][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.827466][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.827738][   T12] PKRU: 55555554
[  110.827932][   T12] Call Trace:
[  110.828125][   T12]  <TASK>
[  110.828289][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.828509][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.828694][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.828925][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.829156][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.829403][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.829648][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.829934][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.830219][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.830406][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.830575][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.830745][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.830928][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.831109][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.831280][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.831446][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.831619][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.831787][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.831975][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.832154][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.832319][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.832497][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.832664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.832834][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.833024][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.833193][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.833367][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.833540][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.833707][   T12]  kthread (kernel/kthread.c:436)
[  110.833935][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.834140][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.834384][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.834553][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.834753][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.834935][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.835113][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.846942][   T12] ------------[ cut here ]------------
| [  110.847113][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.847390][   T12] Modules linked in:
| [  110.847833][   T12] Tainted: [W]=WARN
[  110.848165][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.848353][   T12] Workqueue: netns cleanup_net
[  110.848523][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.848722][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.849201][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.849394][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ddc2040 RCX: 1ff4000000018eed
[  110.849613][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddc20fc
[  110.849832][   T12] RBP: ff11000006221000 R08: 1fe2200001bb8421 R09: ff11000001aed1d0
[  110.850067][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.850286][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.850507][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.850755][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.850964][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.851192][   T12] PKRU: 55555554
[  110.851324][   T12] Call Trace:
[  110.851456][   T12]  <TASK>
[  110.851563][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.851758][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.851959][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.852130][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.852294][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.852458][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.852624][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.852789][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.852965][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.853133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.853299][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.853464][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.853633][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.853798][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.853976][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.854150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.854315][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.854484][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.854647][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.854817][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.855009][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.855181][   T12]  kthread (kernel/kthread.c:436)
[  110.855315][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.855505][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.855668][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.855832][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.856054][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.856218][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.856382][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.859108][   T12] ------------[ cut here ]------------
| [  110.859273][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.859542][   T12] Modules linked in:
| [  110.860057][   T12] Tainted: [W]=WARN
[  110.860238][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.860494][   T12] Workqueue: netns cleanup_net
[  110.860705][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.860964][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.861473][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.861709][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c0851c0 RCX: 1ff4000000018eed
[  110.861987][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c08527c
[  110.862233][   T12] RBP: ff1100000a1b4000 R08: 1fe2200001810a51 R09: ff11000001aed1d0
[  110.862450][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.862666][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.862902][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.863157][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.863348][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.863568][   T12] PKRU: 55555554
[  110.863701][   T12] Call Trace:
[  110.863834][   T12]  <TASK>
[  110.863950][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.864152][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.864340][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.864504][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.864668][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.864831][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.865012][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.865177][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.865340][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.865501][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.865664][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.865828][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.866011][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.866173][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.866337][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.866499][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.866664][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.866832][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.867012][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.867182][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.867351][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.867515][   T12]  kthread (kernel/kthread.c:436)
[  110.867648][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.867839][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.868022][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.868187][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.868376][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.868538][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.868700][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.871289][   T12] ------------[ cut here ]------------
| [  110.871444][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.871716][   T12] Modules linked in:
| [  110.872485][   T12] Tainted: [W]=WARN
[  110.872663][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.872911][   T12] Workqueue: netns cleanup_net
[  110.873167][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.873408][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.873917][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.874158][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31a740 RCX: 1ff4000000018eed
[  110.874432][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31a7fc
[  110.874689][   T12] RBP: ff11000010901000 R08: 1fe2200001a63501 R09: ff11000001aed1d0
[  110.874959][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.875221][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.875486][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.875773][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.876026][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.876286][   T12] PKRU: 55555554
[  110.876461][   T12] Call Trace:
[  110.876636][   T12]  <TASK>
[  110.876789][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.877049][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.877280][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.877489][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.877695][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.877912][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.878130][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.878343][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.878547][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.878750][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.878963][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.879178][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.879414][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.879659][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.879936][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.880198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.880450][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.880704][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.880968][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.881228][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.881461][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.881620][   T12]  kthread (kernel/kthread.c:436)
[  110.881757][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.881960][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.882130][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.882294][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.882483][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.882645][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.882808][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.885203][   T12] ------------[ cut here ]------------
| [  110.885358][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.885627][   T12] Modules linked in:
| [  110.886545][   T12] Tainted: [W]=WARN
[  110.886731][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.886980][   T12] Workqueue: netns cleanup_net
[  110.887201][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.887448][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.887960][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.888197][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31b380 RCX: 1ff4000000018eed
[  110.888461][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b43c
[  110.888720][   T12] RBP: ff1100000eff9000 R08: 1fe2200001a63689 R09: ff11000001aed1d0
[  110.888999][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.889259][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.889522][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.889812][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.890064][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.890329][   T12] PKRU: 55555554
[  110.890505][   T12] Call Trace:
[  110.890678][   T12]  <TASK>
[  110.890828][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.891089][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.891356][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.891605][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.891974][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.892230][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.892483][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.892733][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.892930][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.893094][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.893258][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.893423][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.893586][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.893747][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.893922][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.894093][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.894259][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.894426][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.894588][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.894755][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.894935][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.895105][   T12]  kthread (kernel/kthread.c:436)
[  110.895238][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.895432][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.895594][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.895756][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.895959][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.896124][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.896288][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.898653][   T12] ------------[ cut here ]------------
| [  110.898809][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  110.899107][   T12] Modules linked in:
| [  110.899550][   T12] Tainted: [W]=WARN
[  110.899684][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.900062][   T12] Workqueue: netns cleanup_net
[  110.900313][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.900555][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.901081][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.901316][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31b1c0 RCX: 1ff4000000018eed
[  110.901576][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b27c
[  110.901838][   T12] RBP: ff110000092c4000 R08: 1fe2200001a63651 R09: ff11000001aed1d0
[  110.902118][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  110.902386][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.902648][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  110.902952][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.903195][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.903461][   T12] PKRU: 55555554
[  110.903635][   T12] Call Trace:
[  110.903811][   T12]  <TASK>
[  110.903974][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.904222][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.904457][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.904662][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.904882][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.905100][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.905312][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.905520][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.905726][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.905945][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.906165][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.906373][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.906579][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.906784][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.907013][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.907220][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.907428][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.907641][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.907846][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.908075][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.908289][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.908496][   T12]  kthread (kernel/kthread.c:436)
[  110.908672][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.908920][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.909200][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.909445][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.909737][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.910006][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.910259][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.919773][   T12] ------------[ cut here ]------------
| [  110.919911][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.920147][   T12] Modules linked in:
| [  110.920501][   T12] Tainted: [W]=WARN
[  110.920593][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.920736][   T12] Workqueue: netns cleanup_net
[  110.920857][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.921019][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.921428][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.921574][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d31b700 RCX: 1ff4000000018eed
[  110.921747][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d31b7bc
[  110.921925][   T12] RBP: ff11000010471000 R08: 1fe2200001a636f9 R09: ff11000001aed1d0
[  110.922106][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  110.922280][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.922452][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.922653][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.922797][   T12] CR2: 00007fefad22bf98 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.922978][   T12] PKRU: 55555554
[  110.923069][   T12] Call Trace:
[  110.923156][   T12]  <TASK>
[  110.923217][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.923366][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.923510][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.923627][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.923744][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.923859][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.923984][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.924105][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.924219][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.924334][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.924449][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.924565][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.924682][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.924797][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.924924][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.925045][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.925162][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.925282][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.925396][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.925515][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.925633][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.925747][   T12]  kthread (kernel/kthread.c:436)
[  110.925834][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.925986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.926106][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.926221][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.926366][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.926483][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.926598][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.928746][   T12] ------------[ cut here ]------------
| [  110.928862][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.929104][   T12] Modules linked in:
| [  110.929452][   T12] Tainted: [W]=WARN
[  110.929538][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.929685][   T12] Workqueue: netns cleanup_net
[  110.929805][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.929962][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.930385][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.930528][   T12] RAX: 00000000ffffffa6 RBX: ff1100000caa1540 RCX: 1ff4000000018eed
[  110.930699][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caa15fc
[  110.930877][   T12] RBP: ff11000012acc000 R08: 1fe22000019542c1 R09: ff11000001aed1d0
[  110.931056][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  110.931233][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.931405][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.931605][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.931749][   T12] CR2: 00007fefad22bf98 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.931929][   T12] PKRU: 55555554
[  110.932019][   T12] Call Trace:
[  110.932106][   T12]  <TASK>
[  110.932167][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.932315][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.932458][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.932573][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.932688][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.932803][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.932926][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.933048][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.933164][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.933280][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.933396][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.933513][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.933630][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.933743][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.933860][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.933986][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.934107][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.934226][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.934341][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.934460][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.934580][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.934699][   T12]  kthread (kernel/kthread.c:436)
[  110.934785][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.934937][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.935061][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.935176][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.935324][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.935440][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.935556][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.937764][   T12] ------------[ cut here ]------------
| [  110.937903][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.938136][   T12] Modules linked in:
| [  110.938484][   T12] Tainted: [W]=WARN
[  110.938571][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.938714][   T12] Workqueue: netns cleanup_net
[  110.938833][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.938993][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.939400][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.939545][   T12] RAX: 00000000ffffffa6 RBX: ff110000105f2900 RCX: 1ff4000000018eed
[  110.939716][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000105f29bc
[  110.939893][   T12] RBP: ff11000010411000 R08: 1fe22000020be539 R09: ff11000001aed1d0
[  110.940070][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  110.940245][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.940422][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.940627][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.940770][   T12] CR2: 00007fefad22bf98 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.940952][   T12] PKRU: 55555554
[  110.941042][   T12] Call Trace:
[  110.941130][   T12]  <TASK>
[  110.941192][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.941339][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.941481][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.941602][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.941718][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.941833][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.941957][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.942077][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.942192][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.942306][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.942420][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.942538][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.942656][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.942769][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.942896][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.943019][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.943136][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.943254][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.943368][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.943487][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.943606][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.943722][   T12]  kthread (kernel/kthread.c:436)
[  110.943813][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.943965][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.944085][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.944206][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.944349][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.944469][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.944584][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.946513][   T12] ------------[ cut here ]------------
| [  110.946626][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.946849][   T12] Modules linked in:
| [  110.947210][   T12] Tainted: [W]=WARN
[  110.947297][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.947440][   T12] Workqueue: netns cleanup_net
[  110.947560][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.947710][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.948130][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.948276][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b963000 RCX: 1ff4000000018eed
[  110.948446][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9630bc
[  110.948622][   T12] RBP: ff1100000fdd1000 R08: 1fe220000172c619 R09: ff11000001aed1d0
[  110.948793][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  110.948967][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.949142][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.949348][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.949491][   T12] CR2: 00007fefad22bf98 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.949668][   T12] PKRU: 55555554
[  110.949759][   T12] Call Trace:
[  110.949845][   T12]  <TASK>
[  110.949909][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.950060][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.950202][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.950322][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.950440][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.950554][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.950672][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.950790][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.950909][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.951030][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.951146][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.951261][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.951377][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.951491][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.951607][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.951722][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.951841][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.951966][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.952086][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.952206][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.952325][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.952446][   T12]  kthread (kernel/kthread.c:436)
[  110.952532][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.952675][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.952792][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.952911][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.953059][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.953175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.953290][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.955220][   T12] ------------[ cut here ]------------
| [  110.955332][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.955555][   T12] Modules linked in:
| [  110.955908][   T12] Tainted: [W]=WARN
[  110.955999][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.956143][   T12] Workqueue: netns cleanup_net
[  110.956263][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.956411][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.956824][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.956972][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b962900 RCX: 1ff4000000018eed
[  110.957151][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9629bc
[  110.957322][   T12] RBP: ff1100000e724000 R08: 1fe220000172c539 R09: ff11000001aed1d0
[  110.957491][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  110.957667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.957841][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.958053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.958196][   T12] CR2: 00007fefad22bf98 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.958369][   T12] PKRU: 55555554
[  110.958455][   T12] Call Trace:
[  110.958539][   T12]  <TASK>
[  110.958598][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.958744][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.958893][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.959014][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.959130][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.959245][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.959363][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.959479][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.959595][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.959715][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.959833][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.959955][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.960076][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.960191][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.960307][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.960422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.960539][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.960658][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.960775][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.960899][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.961024][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.961138][   T12]  kthread (kernel/kthread.c:436)
[  110.961225][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.961369][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.961487][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.961605][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.961749][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.961874][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.961994][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.964348][   T12] ------------[ cut here ]------------
| [  110.964462][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  110.964687][   T12] Modules linked in:
| [  110.965520][   T12] Tainted: [W]=WARN
[  110.965609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.965756][   T12] Workqueue: netns cleanup_net
[  110.965923][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.966135][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.966546][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  110.966692][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b963380 RCX: 1ff4000000018eed
[  110.966862][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b96343c
[  110.967085][   T12] RBP: ff1100001286a000 R08: 1fe220000172c689 R09: ff11000001aed1d0
[  110.967259][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  110.967434][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  110.967605][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  110.967807][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.968007][   T12] CR2: 00007fefad22bf98 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  110.968179][   T12] PKRU: 55555554
[  110.968264][   T12] Call Trace:
[  110.968349][   T12]  <TASK>
[  110.968408][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  110.968556][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.968698][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  110.968814][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  110.968978][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.969098][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  110.969215][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  110.969331][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.969445][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.969559][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.969675][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.969792][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.969953][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.970073][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.970189][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.970304][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.970420][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.970538][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.970654][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.970775][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.970940][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.971063][   T12]  kthread (kernel/kthread.c:436)
[  110.971150][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.971292][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.971407][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.971522][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.971667][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.971782][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.971948][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.991109][   T12] ------------[ cut here ]------------
| [  110.991247][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  110.991489][   T12] Modules linked in:
| [  110.991864][   T12] Tainted: [W]=WARN
[  110.991972][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.992132][   T12] Workqueue: netns cleanup_net
[  110.992260][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  110.992418][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  110.992855][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  110.993021][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7d4ac0 RCX: 1ff4000000018eaf
[  110.993204][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d4b7c
[  110.993386][   T12] RBP: ff11000012d21000 R08: 1fe22000016fa971 R09: ff11000001aed1d0
[  110.993568][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  110.993752][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a874000
[  110.993954][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  110.994179][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.994332][   T12] CR2: 00007fefad20d680 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  110.994518][   T12] PKRU: 55555554
[  110.994609][   T12] Call Trace:
[  110.994700][   T12]  <TASK>
[  110.994764][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  110.994893][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  110.994999][   T12]  netif_close_many (net/core/dev.c:1804)
[  110.995136][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  110.995258][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  110.995410][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.995531][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  110.995655][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  110.995807][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.995936][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  110.996091][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.996221][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  110.996347][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  110.996472][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  110.996593][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  110.996716][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  110.996840][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  110.996969][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  110.997093][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.997214][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  110.997337][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.997458][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  110.997581][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.997702][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  110.997825][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  110.997952][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  110.998079][   T12]  process_one_work (kernel/workqueue.c:3314)
[  110.998204][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  110.998326][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  110.998453][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  110.998579][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  110.998700][   T12]  kthread (kernel/kthread.c:436)
[  110.998792][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.998952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.999079][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.999202][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  110.999355][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.999476][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  110.999603][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.001350][   T12] ------------[ cut here ]------------
| [  111.001471][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  111.001709][   T12] Modules linked in:
| [  111.002095][   T12] Tainted: [W]=WARN
[  111.002187][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.002338][   T12] Workqueue: netns cleanup_net
[  111.002465][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.002623][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.003072][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.003226][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7d5000 RCX: 1ff4000000018eaf
[  111.003410][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7d50bc
[  111.003592][   T12] RBP: ff1100000a874000 R08: 1fe22000016faa19 R09: ff11000001aed1d0
[  111.003776][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  111.003965][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ed01000
[  111.004154][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  111.004368][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.004522][   T12] CR2: 00007fefad20d680 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  111.004706][   T12] PKRU: 55555554
[  111.004798][   T12] Call Trace:
[  111.004894][   T12]  <TASK>
[  111.004959][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.005088][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  111.005210][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.005304][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.005429][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.005553][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.005710][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.005831][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  111.005962][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.006121][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.006248][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.006401][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.006523][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.006649][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.006772][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.006900][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.007027][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.007151][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.007276][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.007398][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.007519][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.007642][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.007764][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.007893][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.008021][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.008145][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.008266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.008398][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.008523][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.008645][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.008771][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.008903][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.009030][   T12]  kthread (kernel/kthread.c:436)
[  111.009124][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.009276][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.009398][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.009520][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.009674][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.009796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.009925][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.011639][   T12] ------------[ cut here ]------------
| [  111.011763][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  111.012011][   T12] Modules linked in:
| [  111.012380][   T12] Tainted: [W]=WARN
[  111.012472][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.012625][   T12] Workqueue: netns cleanup_net
[  111.012751][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.012916][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.013360][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.013513][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc4ba80 RCX: 1ff4000000018eaf
[  111.013697][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc4bb3c
[  111.013882][   T12] RBP: ff1100000ed01000 R08: 1fe2200001f89769 R09: ff11000001aed1d0
[  111.014069][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  111.014250][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000086a9000
[  111.014434][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  111.014647][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.014800][   T12] CR2: 00007fefad20d680 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  111.014995][   T12] PKRU: 55555554
[  111.015087][   T12] Call Trace:
[  111.015179][   T12]  <TASK>
[  111.015242][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.015365][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  111.015487][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.015581][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.015704][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.015827][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.015985][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.016110][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  111.016233][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.016386][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.016509][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.016659][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.016782][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.016915][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.017042][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.017167][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.017290][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.017418][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.017541][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.017664][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.017787][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.017913][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.018042][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.018166][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.018288][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.018412][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.018535][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.018659][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.018787][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.018912][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.019045][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.019173][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.019296][   T12]  kthread (kernel/kthread.c:436)
[  111.019388][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.019541][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.019664][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.019787][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.019945][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.020073][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.020197][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.022858][   T12] ------------[ cut here ]------------
| [  111.022985][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  111.023230][   T12] Modules linked in:
| [  111.023600][   T12] Tainted: [W]=WARN
[  111.023693][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.023844][   T12] Workqueue: netns cleanup_net
[  111.023973][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.024135][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.024569][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.024721][   T12] RAX: 00000000ffffffa6 RBX: ff11000012e2c900 RCX: 1ff4000000018eaf
[  111.024907][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012e2c9bc
[  111.025090][   T12] RBP: ff110000086a9000 R08: 1fe22000025c5939 R09: ff11000001aed1d0
[  111.025271][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  111.025466][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009599000
[  111.025649][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  111.025864][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.026025][   T12] CR2: 00007fefad20d680 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  111.026208][   T12] PKRU: 55555554
[  111.026300][   T12] Call Trace:
[  111.026389][   T12]  <TASK>
[  111.026452][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.026575][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  111.026697][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.026789][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.026915][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.027045][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.027195][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.027316][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  111.027438][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.027594][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.027715][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.027871][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.027996][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.028123][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.028246][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.028369][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.028491][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.028613][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.028736][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.028863][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.028995][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.029117][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.029241][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.029362][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.029482][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.029603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.029724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.029847][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.029976][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.030103][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.030228][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.030353][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.030475][   T12]  kthread (kernel/kthread.c:436)
[  111.030566][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.030717][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.030838][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.030967][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.031122][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.031252][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.031374][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.032984][   T12] ------------[ cut here ]------------
| [  111.033110][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  111.033347][   T12] Modules linked in:
| [  111.033716][   T12] Tainted: [W]=WARN
[  111.033815][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.033974][   T12] Workqueue: netns cleanup_net
[  111.034104][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.034260][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.034692][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.034843][   T12] RAX: 00000000ffffffa6 RBX: ff11000012e2d000 RCX: 1ff4000000018eaf
[  111.035031][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012e2d0bc
[  111.035212][   T12] RBP: ff11000009599000 R08: 1fe22000025c5a19 R09: ff11000001aed1d0
[  111.035392][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  111.035573][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089c1000
[  111.035754][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  111.035970][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.036124][   T12] CR2: 00007fefad20d680 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  111.036305][   T12] PKRU: 55555554
[  111.036395][   T12] Call Trace:
[  111.036484][   T12]  <TASK>
[  111.036547][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.036667][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  111.036793][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.036890][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.037017][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.037138][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.037301][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.037422][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  111.037543][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.037697][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.037829][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.037984][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.038110][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.038241][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.038364][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.038486][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.038614][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.038739][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.038862][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.038987][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.039113][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.039235][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.039358][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.039480][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.039602][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.039725][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.039846][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.039971][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.040101][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.040221][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.040357][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.040484][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.040604][   T12]  kthread (kernel/kthread.c:436)
[  111.040695][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.040850][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.040977][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.041103][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.041255][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.041378][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.041499][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.043426][   T12] ------------[ cut here ]------------
| [  111.043544][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  111.043779][   T12] Modules linked in:
| [  111.044730][   T12] Tainted: [W]=WARN
[  111.044821][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.045026][   T12] Workqueue: netns cleanup_net
[  111.045151][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.045306][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.045730][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.045954][   T12] RAX: 00000000ffffffa6 RBX: ff11000012dc8200 RCX: 1ff4000000018eaf
[  111.046195][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012dc82bc
[  111.046375][   T12] RBP: ff110000089c1000 R08: 1fe22000025b9059 R09: ff11000001aed1d0
[  111.046555][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  111.046733][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3fc000
[  111.046986][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  111.047201][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.047353][   T12] CR2: 00007fefad20d680 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  111.047534][   T12] PKRU: 55555554
[  111.047625][   T12] Call Trace:
[  111.047716][   T12]  <TASK>
[  111.047778][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.047956][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  111.048082][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.048174][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.048297][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.048420][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.048580][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.048706][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  111.048828][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.049034][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.049157][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.049307][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.049429][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.049555][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.049680][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.049803][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.050009][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.050133][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.050256][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.050377][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.050497][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.050624][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.050747][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.050918][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.051044][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.051166][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.051286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.051410][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.051536][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.051659][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.051786][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.051983][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.052109][   T12]  kthread (kernel/kthread.c:436)
[  111.052200][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.052350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.052471][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.052593][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.052752][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.052938][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.053064][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.063281][   T12] ------------[ cut here ]------------
| [  111.063451][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.063737][   T12] Modules linked in:
| [  111.064227][   T12] Tainted: [W]=WARN
[  111.064364][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.064561][   T12] Workqueue: netns cleanup_net
[  111.064732][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.064948][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.065430][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.065628][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8d000 RCX: 1ff4000000018eaf
[  111.065855][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d0bc
[  111.066110][   T12] RBP: ff1100000f3fc000 R08: 1fe2200001951a19 R09: ff11000001aed1d0
[  111.066337][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  111.066563][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b24000
[  111.066793][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.067072][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.067270][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.067498][   T12] PKRU: 55555554
[  111.067635][   T12] Call Trace:
[  111.067771][   T12]  <TASK>
[  111.067892][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.068067][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  111.068245][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.068386][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.068555][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.068727][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.068939][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.069114][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  111.069284][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.069485][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.069656][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.069852][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.070042][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.070216][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.070389][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.070557][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.070726][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.070908][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.071087][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.071258][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.071425][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.071593][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.071763][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.071946][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.072122][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.072293][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.072462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.072632][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.072806][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.072987][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.073168][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.073341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.073509][   T12]  kthread (kernel/kthread.c:436)
[  111.073648][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.073844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.074033][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.074203][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.074401][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.074569][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.074740][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.077122][   T12] ------------[ cut here ]------------
| [  111.077284][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.077568][   T12] Modules linked in:
| [  111.078047][   T12] Tainted: [W]=WARN
[  111.078185][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.078383][   T12] Workqueue: netns cleanup_net
[  111.078554][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.078756][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.079256][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.079454][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f000e40 RCX: 1ff4000000018eaf
[  111.079678][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f000efc
[  111.079916][   T12] RBP: ff11000009b24000 R08: 1fe2200001e001e1 R09: ff11000001aed1d0
[  111.080152][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  111.080378][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  111.080607][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.080877][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.081082][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.081314][   T12] PKRU: 55555554
[  111.081451][   T12] Call Trace:
[  111.081588][   T12]  <TASK>
[  111.081697][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.081881][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  111.082059][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.082200][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.082370][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.082539][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.082736][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.082916][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[  111.083095][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.083296][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.083465][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.083663][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.083831][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.084020][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.084193][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.084362][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.084531][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.084701][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.084884][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.085061][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.085228][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.085397][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.085567][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.085738][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.085917][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.086095][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.086264][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.086434][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.086607][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.086775][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.086962][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.087142][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.087311][   T12]  kthread (kernel/kthread.c:436)
[  111.087448][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.087648][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.087820][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.088011][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.088210][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.088379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.088547][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.091204][   T12] ------------[ cut here ]------------
| [  111.091361][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.091633][   T12] Modules linked in:
| [  111.092788][   T12] Tainted: [W]=WARN
[  111.092980][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.093226][   T12] Workqueue: netns cleanup_net
[  111.093442][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.093690][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.094218][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.094455][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f001e00 RCX: 1ff4000000018ed5
[  111.094718][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f001ebc
[  111.095004][   T12] RBP: ff11000012d21000 R08: 1fe2200001e003d9 R09: ff11000001aed1d0
[  111.095269][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  111.095531][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.095797][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.096114][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.096353][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.096621][   T12] PKRU: 55555554
[  111.096798][   T12] Call Trace:
[  111.096987][   T12]  <TASK>
[  111.097152][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.097396][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.097632][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.097844][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.098075][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.098289][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.098499][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.098707][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.098931][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.099155][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.099370][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.099600][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.099836][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.100016][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.100184][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.100348][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.100515][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.100680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.100849][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.101040][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.101205][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.101374][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.101545][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.101708][   T12]  kthread (kernel/kthread.c:436)
[  111.101844][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.102061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.102229][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.102396][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.102590][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.102755][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.102935][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.105676][   T12] ------------[ cut here ]------------
| [  111.105836][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.106558][   T12] Modules linked in:
| [  111.107125][   T12] Tainted: [W]=WARN
[  111.107305][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.107543][   T12] Workqueue: netns cleanup_net
[  111.107757][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.108024][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.108531][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.108771][   T12] RAX: 00000000ffffffa6 RBX: ff110000126f6900 RCX: 1ff4000000018ed5
[  111.109056][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126f69bc
[  111.109326][   T12] RBP: ff1100000a874000 R08: 1fe22000024ded39 R09: ff11000001aed1d0
[  111.109592][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  111.109857][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.110145][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.110445][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.110683][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.110962][   T12] PKRU: 55555554
[  111.111143][   T12] Call Trace:
[  111.111321][   T12]  <TASK>
[  111.111474][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.111717][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.111972][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.112189][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.112428][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.112676][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.112930][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.113116][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.113281][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.113450][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.113613][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.113775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.113955][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.114127][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.114292][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.114455][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.114621][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.114789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.114971][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.115146][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.115309][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.115479][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.115648][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.115811][   T12]  kthread (kernel/kthread.c:436)
[  111.115962][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.116162][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.116327][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.116492][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.116684][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.116849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.117033][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.127853][   T12] ------------[ cut here ]------------
| [  111.128691][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.128982][   T12] Modules linked in:
| [  111.129438][   T12] Tainted: [W]=WARN
[  111.129573][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.129764][   T12] Workqueue: netns cleanup_net
[  111.129945][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.130152][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.130617][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.130810][   T12] RAX: 00000000ffffffa6 RBX: ff110000126f7540 RCX: 1ff4000000018ed5
[  111.131047][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000126f75fc
[  111.131269][   T12] RBP: ff1100000ed01000 R08: 1fe22000024deec1 R09: ff11000001aed1d0
[  111.131489][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  111.131708][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.131942][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.132201][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.132396][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.132616][   T12] PKRU: 55555554
[  111.132749][   T12] Call Trace:
[  111.132895][   T12]  <TASK>
[  111.133009][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.133207][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.133399][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.133566][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.133734][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.133912][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.134091][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.134258][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.134425][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.134592][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.134759][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.134935][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.135109][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.135275][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.135441][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.135605][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.135773][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.135946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.136125][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.136296][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.136460][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.136629][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.136799][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.136974][   T12]  kthread (kernel/kthread.c:436)
[  111.137118][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.137313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.137480][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.137646][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.137839][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.138024][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.138191][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.141377][   T12] ------------[ cut here ]------------
| [  111.141538][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.141815][   T12] Modules linked in:
| [  111.142292][   T12] Tainted: [W]=WARN
[  111.142426][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.142617][   T12] Workqueue: netns cleanup_net
[  111.142786][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.143007][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.143475][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.143669][   T12] RAX: 00000000ffffffa6 RBX: ff110000109b8ac0 RCX: 1ff4000000018ed5
[  111.143901][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109b8b7c
[  111.144139][   T12] RBP: ff110000086a9000 R08: 1fe2200002137171 R09: ff11000001aed1d0
[  111.144359][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  111.144580][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.144804][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.145074][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.145267][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.145489][   T12] PKRU: 55555554
[  111.145621][   T12] Call Trace:
[  111.145755][   T12]  <TASK>
[  111.145862][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.146081][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.146278][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.146444][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.146613][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.146780][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.146958][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.147125][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.147292][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.147461][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.147624][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.147787][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.147966][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.148141][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.148307][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.148470][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.148636][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.148803][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.148980][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.149156][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.149318][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.149487][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.149657][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.149821][   T12]  kthread (kernel/kthread.c:436)
[  111.149973][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.150175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.150339][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.150504][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.150697][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.150861][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.151046][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.153650][   T12] ------------[ cut here ]------------
| [  111.153807][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.154104][   T12] Modules linked in:
| [  111.154548][   T12] Tainted: [W]=WARN
[  111.154682][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.154887][   T12] Workqueue: netns cleanup_net
[  111.155064][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.155265][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.155750][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.155958][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d472740 RCX: 1ff4000000018ed5
[  111.156217][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4727fc
[  111.156446][   T12] RBP: ff11000009599000 R08: 1fe2200001a8e501 R09: ff11000001aed1d0
[  111.156666][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  111.156903][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.157140][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.157392][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.157583][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.157804][   T12] PKRU: 55555554
[  111.157946][   T12] Call Trace:
[  111.158089][   T12]  <TASK>
[  111.158195][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.158398][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.158589][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.158754][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.158936][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.159112][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.159276][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.159440][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.159608][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.159774][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.159946][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.160119][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.160286][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.160452][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.160617][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.160779][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.160960][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.161128][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.161293][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.161461][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.161623][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.161792][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.161978][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.162150][   T12]  kthread (kernel/kthread.c:436)
[  111.162284][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.162475][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.162640][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.162805][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.163015][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.163179][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.163346][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.166117][   T12] ------------[ cut here ]------------
| [  111.166277][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.166552][   T12] Modules linked in:
| [  111.167513][   T12] Tainted: [W]=WARN
[  111.167692][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.167942][   T12] Workqueue: netns cleanup_net
[  111.168167][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.168414][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.168929][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.169177][   T12] RAX: 00000000ffffffa6 RBX: ff11000009acc580 RCX: 1ff4000000018ed5
[  111.169445][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009acc63c
[  111.169706][   T12] RBP: ff110000089c1000 R08: 1fe22000013598c9 R09: ff11000001aed1d0
[  111.169982][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  111.170252][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.170518][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.170812][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.171069][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.171334][   T12] PKRU: 55555554
[  111.171511][   T12] Call Trace:
[  111.171687][   T12]  <TASK>
[  111.171840][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.172095][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.172331][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.172537][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.172747][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.172968][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.173196][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.173407][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.173616][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.173824][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.174051][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.174261][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.174468][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.174663][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.174827][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.175011][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.175178][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.175341][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.175507][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.175673][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.175835][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.176021][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.176194][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.176358][   T12]  kthread (kernel/kthread.c:436)
[  111.176494][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.176686][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.176850][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.177038][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.177230][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.177397][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.177561][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.180194][   T12] ------------[ cut here ]------------
| [  111.180356][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  111.180634][   T12] Modules linked in:
| [  111.181403][   T12] Tainted: [W]=WARN
[  111.181629][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.181928][   T12] Workqueue: netns cleanup_net
[  111.182198][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.182495][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.183078][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.183370][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c696200 RCX: 1ff4000000018ed5
[  111.183642][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6962bc
[  111.183955][   T12] RBP: ff1100000f3fc000 R08: 1fe22000018d2c59 R09: ff11000001aed1d0
[  111.184234][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  111.184497][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.184765][   T12] FS:  0000000000000000(0000) GS:ff110000db7c7000(0000) knlGS:0000000000000000
[  111.185082][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.185319][   T12] CR2: 000056322888b2b8 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.185592][   T12] PKRU: 55555554
[  111.185768][   T12] Call Trace:
[  111.185959][   T12]  <TASK>
[  111.186117][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.186359][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.186593][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.186802][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.187033][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.187241][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.187450][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.187659][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.187921][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.188141][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.188351][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.188557][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.188765][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.188989][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.189208][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.189417][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.189625][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.189831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.190066][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.190340][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.190585][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.190854][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.191130][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.191386][   T12]  kthread (kernel/kthread.c:436)
[  111.191612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.191908][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.192181][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.192416][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.192692][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.192914][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.193133][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.202805][   T12] ------------[ cut here ]------------
| [  111.202943][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  111.203179][   T12] Modules linked in:
| [  111.203535][   T12] Tainted: [W]=WARN
[  111.203624][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.203769][   T12] Workqueue: netns cleanup_net
[  111.203902][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.204060][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.204475][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.204621][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c696e40 RCX: 1ff4000000018ed5
[  111.204795][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c696efc
[  111.204974][   T12] RBP: ff11000009b24000 R08: 1fe22000018d2de1 R09: ff11000001aed1d0
[  111.205150][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  111.205322][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.205497][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  111.205705][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.205851][   T12] CR2: 00005604a3aca2b8 CR3: 000000000fc1f001 CR4: 0000000000771ef0
[  111.206038][   T12] PKRU: 55555554
[  111.206125][   T12] Call Trace:
[  111.206212][   T12]  <TASK>
[  111.206273][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.206426][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.206572][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.206689][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.206810][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.206937][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.207060][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.207182][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.207300][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.207419][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  111.207536][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.207652][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.207770][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.207897][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.208023][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.208140][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.208257][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.208373][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.208492][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.208613][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.208730][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.208851][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.208979][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.209100][   T12]  kthread (kernel/kthread.c:436)
[  111.209189][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.209336][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.209453][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.209570][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.209716][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.209833][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.209958][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.265551][   T12] ------------[ cut here ]------------
| [  111.265682][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  111.265918][   T12] Modules linked in:
| [  111.266273][   T12] Tainted: [W]=WARN
[  111.266359][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.266507][   T12] Workqueue: netns cleanup_net
[  111.266628][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.266792][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.267312][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  111.267458][   T12] RAX: 00000000ffffffa6 RBX: ff11000009acdc40 RCX: 1ff4000000018eed
[  111.267632][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009acdcfc
[  111.267808][   T12] RBP: ff11000012dac000 R08: 1fe2200001359ba1 R09: ff11000001aed1d0
[  111.268031][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  111.268204][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.268376][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  111.268576][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.268722][   T12] CR2: 00005604a3aca2b8 CR3: 000000000fc1f001 CR4: 0000000000771ef0
[  111.268943][   T12] PKRU: 55555554
[  111.269038][   T12] Call Trace:
[  111.269124][   T12]  <TASK>
[  111.269184][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.269331][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.269495][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  111.269610][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  111.269726][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.269840][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  111.269964][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.270088][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  111.270212][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.270326][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.270443][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.270559][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.270678][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.270796][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.270918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.271038][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.271157][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.271276][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.271397][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.271515][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.271630][   T12]  kthread (kernel/kthread.c:436)
[  111.271719][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.271861][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.271983][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.272102][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.272246][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.272361][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.272476][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.274713][   T12] ------------[ cut here ]------------
| [  111.274829][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  111.275062][   T12] Modules linked in:
| [  111.275409][   T12] Tainted: [W]=WARN
[  111.275496][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.275638][   T12] Workqueue: netns cleanup_net
[  111.275760][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.275942][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.276356][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  111.276500][   T12] RAX: 00000000ffffffa6 RBX: ff110000100dde00 RCX: 1ff4000000018eed
[  111.276677][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100ddebc
[  111.276849][   T12] RBP: ff11000012d74000 R08: 1fe220000201bbd9 R09: ff11000001aed1d0
[  111.277033][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  111.277203][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.277379][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  111.277583][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.277726][   T12] CR2: 00005604a3aca2b8 CR3: 000000000fc1f001 CR4: 0000000000771ef0
[  111.277904][   T12] PKRU: 55555554
[  111.277993][   T12] Call Trace:
[  111.278084][   T12]  <TASK>
[  111.278145][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.278291][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.278433][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  111.278549][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  111.278666][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.278780][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  111.278901][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.279024][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  111.279143][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.279257][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.279374][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.279491][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.279605][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.279722][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.279841][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.279966][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.280088][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.280204][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.280324][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.280450][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.280565][   T12]  kthread (kernel/kthread.c:436)
[  111.280653][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.280796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.280919][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.281040][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.281185][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.281300][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.281417][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.283557][   T12] ------------[ cut here ]------------
| [  111.283672][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  111.283903][   T12] Modules linked in:
| [  111.284258][   T12] Tainted: [W]=WARN
[  111.284344][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.284491][   T12] Workqueue: netns cleanup_net
[  111.284610][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.284759][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.285179][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  111.285325][   T12] RAX: 00000000ffffffa6 RBX: ff110000100dc3c0 RCX: 1ff4000000018eed
[  111.285496][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100dc47c
[  111.285672][   T12] RBP: ff11000012b69000 R08: 1fe220000201b891 R09: ff11000001aed1d0
[  111.285845][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  111.286482][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.286658][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  111.286860][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.287053][   T12] CR2: 00005604a3aca2b8 CR3: 000000000fc1f001 CR4: 0000000000771ef0
[  111.287225][   T12] PKRU: 55555554
[  111.287311][   T12] Call Trace:
[  111.287397][   T12]  <TASK>
[  111.287461][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.287608][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.287752][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  111.287915][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  111.288036][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.288200][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  111.288316][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.288435][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  111.288554][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.288671][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.288791][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.288950][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.289071][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.289193][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.289309][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.289426][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.289550][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.289666][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.289788][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.289952][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.290072][   T12]  kthread (kernel/kthread.c:436)
[  111.290159][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.290302][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.290419][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.290534][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.290680][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.290795][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.290956][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.293374][   T12] ------------[ cut here ]------------
| [  111.293488][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  111.293710][   T12] Modules linked in:
| [  111.294069][   T12] Tainted: [W]=WARN
[  111.294157][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.294300][   T12] Workqueue: netns cleanup_net
[  111.294423][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.294573][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.294987][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  111.295134][   T12] RAX: 00000000ffffffa6 RBX: ff110000100dc040 RCX: 1ff4000000018eed
[  111.295305][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100dc0fc
[  111.295476][   T12] RBP: ff11000012c09000 R08: 1fe220000201b821 R09: ff11000001aed1d0
[  111.295648][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  111.295820][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.296086][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  111.296388][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.296533][   T12] CR2: 00005604a3aca2b8 CR3: 000000000fc1f001 CR4: 0000000000771ef0
[  111.296705][   T12] PKRU: 55555554
[  111.296790][   T12] Call Trace:
[  111.296971][   T12]  <TASK>
[  111.297034][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.297179][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.297322][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  111.297437][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  111.297553][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.297673][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  111.297789][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.297997][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  111.298117][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.298231][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.298351][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.298472][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.298586][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.298703][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.298820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.299030][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.299150][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.299265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.299390][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.299510][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.299626][   T12]  kthread (kernel/kthread.c:436)
[  111.299714][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.299857][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.300070][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.300188][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.300332][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.300452][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.300568][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.310569][   T12] ------------[ cut here ]------------
| [  111.310693][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  111.311658][   T12] Modules linked in:
| [  111.312103][   T12] Tainted: [W]=WARN
[  111.312190][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.312333][   T12] Workqueue: netns cleanup_net
[  111.312453][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.312603][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.313076][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  111.313223][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d512580 RCX: 1ff4000000018eed
[  111.313395][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d51263c
[  111.313565][   T12] RBP: ff1100000f3f1000 R08: 1fe2200001aa24c9 R09: ff11000001aed1d0
[  111.313736][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  111.313958][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.314136][   T12] FS:  0000000000000000(0000) GS:ff110000db747000(0000) knlGS:0000000000000000
[  111.314336][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.314484][   T12] CR2: 00005604a3aca2b8 CR3: 000000000fc1f001 CR4: 0000000000771ef0
[  111.314661][   T12] PKRU: 55555554
[  111.314748][   T12] Call Trace:
[  111.314834][   T12]  <TASK>
[  111.314940][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.315093][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.315236][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  111.315352][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  111.315468][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.315583][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  111.315699][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.315815][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  111.315979][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.316096][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.316219][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.316335][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.316456][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.316573][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.316688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.316810][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.316981][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.317101][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.317221][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.317341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.317456][   T12]  kthread (kernel/kthread.c:436)
[  111.317543][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.317687][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.317805][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.317968][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.318117][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.318232][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.318347][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.335593][   T12] ------------[ cut here ]------------
| [  111.335728][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  111.335980][   T12] Modules linked in:
| [  111.336362][   T12] Tainted: [W]=WARN
[  111.336455][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.336609][   T12] Workqueue: netns cleanup_net
[  111.336735][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.336901][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.337350][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  111.337504][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca8d8c0 RCX: 1ff4000000018eaf
[  111.337688][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8d97c
[  111.337880][   T12] RBP: ff110000092cc000 R08: 1fe2200001951b31 R09: ff11000001aed1d0
[  111.338070][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  111.338253][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  111.338438][   T12] FS:  0000000000000000(0000) GS:ff110000db847000(0000) knlGS:0000000000000000
[  111.338654][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.338810][   T12] CR2: 00007fefad20d680 CR3: 0000000068f4d006 CR4: 0000000000771ef0
[  111.339005][   T12] PKRU: 55555554
[  111.339100][   T12] Call Trace:
[  111.339192][   T12]  <TASK>
[  111.339256][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  111.339382][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  111.339480][   T12]  netif_close_many (net/core/dev.c:1804)
[  111.339606][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.339728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.339850][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.340035][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  111.340161][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  111.340315][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  111.340471][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.340594][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  111.340718][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[  111.340842][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.341053][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.341188][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.341317][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.341442][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.341565][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.341740][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.341925][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.342050][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.342174][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.342297][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.342420][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.342549][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.342678][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.342802][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.342980][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.343107][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.343234][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.343361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.343482][   T12]  kthread (kernel/kthread.c:436)
[  111.343574][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.343729][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.343852][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.344031][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.344184][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.344308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.344431][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  111.346662][   T12] ------------[ cut here ]------------
| [  111.346785][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  111.347033][   T12] Modules linked in:
| [  111.347392][   T12] Tainted: [W]=WARN
[  111.347481][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.347627][   T12] Workqueue: netns cleanup_net
[  111.347752][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  111.347910][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  111.348332][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  111.348480][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c04a200 RCX: 1ff4000000018ed5
[  111.348655][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c04a2bc
[  111.348830][   T12] RBP: ff110000092cc000 R08: 1fe2200001809459 R09: ff11000001aed1d0
[  111.349016][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  111.349191][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  111.349372][   T12] FS:  0000000000000000(0000) GS:ff110000db6c7000(0000) knlGS:0000000000000000
[  111.349582][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.349728][   T12] CR2: 00007fefad22bf98 CR3: 0000000068f4d002 CR4: 0000000000771ef0
[  111.349919][   T12] PKRU: 55555554
[  111.350009][   T12] Call Trace:
[  111.350097][   T12]  <TASK>
[  111.350158][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  111.350308][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  111.350458][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.350578][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  111.350698][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  111.350816][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  111.350938][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.351062][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  111.351182][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.351300][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  111.351421][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  111.351540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.351656][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  111.351775][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  111.351898][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  111.352023][   T12]  process_one_work (kernel/workqueue.c:3314)
[  111.352145][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  111.352266][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  111.352389][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  111.352510][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  111.352628][   T12]  kthread (kernel/kthread.c:436)
[  111.352716][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.352863][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  111.352995][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.353114][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  111.353260][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.353378][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_compute_master_upper_features:br_add_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_unlink:netdev_upper_dev_unlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_set_mtu_ext:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:call_netdevice_notifiers:br_add_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:linkwatch_sync_dev:rtnl_getlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:ops_undo_list
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net